diff options
| author | Kali Kaneko <kali@leap.se> | 2015-08-31 14:21:50 -0400 |
|---|---|---|
| committer | Kali Kaneko <kali@leap.se> | 2015-08-31 14:21:50 -0400 |
| commit | 974511645819ef2559fb0c064fdea4bcc926e6d8 (patch) | |
| tree | edecfd6c6a3b9bdadaea45de150990a40acaca96 | |
| parent | 67b738c2f5922dbc5cf105e9617ce6d1d5e4e8e3 (diff) | |
| parent | 43c920f38d1c114e9044d2da15d4a05d5faab79d (diff) | |
Merge tag '0.4.0rc2' into debian/0.4.0rc2
Tag leap.mail version 0.4.0rc2
87 files changed, 10173 insertions, 8184 deletions
@@ -1,4 +1,5 @@ *.pyc +dropin.cache build/ dist/ *.egg @@ -0,0 +1,8 @@ +Kali Kaneko <kali@leap.se> +Tomás Touceda <chiiph@leap.se> +drebs <drebs@leap.se> +Ivan Alejandro <ivanalejandro0@gmail.com> +Ruben Pollan <meskio@sindominio.net> +Bruno Wagner Goncalves <bwagner@thoughtworks.com> +Duda Dornelles <ddornell@thoughtworks.com> +Folker Bernitt <fbernitt@thoughtworks.com> @@ -1,3 +1,29 @@ +0.4.0rc2 Aug 26, 2015: + o Fix nested multipart rendering. Closes: #7244 + o Bugfix: fix keyerror when inserting msg on pending_inserts dict. + o Bugfix: Return the first cdoc if no body found + o Feature: add very basic support for message sequence numbers. + o Lots of style fixes and tests updates. + o Bugfix: fixed syntax error in models.py. + +0.4.0rc1 Jul 10, 2015: + o Parse OpenPGP header and import keys from it. Closes: #3879. + o Don't add any footer to the emails. Closes: #4692. + o Adapt to new events api on leap.common. Related to #5359. + o Discover public keys via attachment. Closes: #5937. + o Creates a OutgoingMail class that has the logic for encrypting, signing and + sending messages. Factors that logic out of EncryptedMessage so it can be + used by other clients. Closes: #6357. + o Refactor email fetching outside IMAP to it's own independient IncomingMail + class. Closes: #6361. + o Port `enum` to `enum34`. Closes #6601. + o Add public key as attachment. Closes: #6617. + o Add listener for each email added to inbox in IncomingMail. Closes: #6742. + o Ability to reindex local UIDs after a soledad sync. Closes: #6996. + o Update SMTP gateway docs. Closes #7169. + o Send a BYE command to all open connections, so that the MUA is notified + when the server is shutted down. + 0.3.11 Jan 05, 2015: o Port `enum` to `enum34` (Closes #6601) @@ -24,3 +24,14 @@ fails:: trial -u leap.mail.imap Read the *trial* manpage for more options . + +imap regressions +---------------- + +For testing the IMAP server implementation, there are a couple of utilities. +From the ``leap.mail.imap.tests`` folder, and with an already initialized server +running:: + + ./regressions_mime_struct user@provider pass path_to_samples/ + +You can find several message samples in the ``leap/mail/tests`` folder. diff --git a/docs/conf.py b/docs/conf.py index 8e08f09..95d919b 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -50,16 +50,16 @@ master_doc = 'index' # General information about the project. project = u'leap.mail' -copyright = u'2014, Kali Kaneko' +copyright = u'2014-2015, The LEAP Encryption Access Project' # The version info for the project you're documenting, acts as replacement for # |version| and |release|, also used in various other places throughout the # built documents. # # The short X.Y version. -version = '0.3.9' +version = '0.4.0alpha1' # The full version, including alpha/beta/rc tags. -release = '0.3.9' +release = '0.4.0' # The language for content autogenerated by Sphinx. Refer to documentation # for a list of supported languages. diff --git a/docs/git-commit-message.txt b/docs/git-commit-message.txt new file mode 100644 index 0000000..1b28baf --- /dev/null +++ b/docs/git-commit-message.txt @@ -0,0 +1,8 @@ +[bug|feature|docs|pkg] + +... + +Resolves: #XXX +Related: #XXX +Documentation: #XXX +Releases: XXX diff --git a/docs/hacking.rst b/docs/hacking.rst new file mode 100644 index 0000000..6c49c21 --- /dev/null +++ b/docs/hacking.rst @@ -0,0 +1,195 @@ +.. _hacking: + +======== +Hacking +======== + +Some hints oriented to `leap.mail` hackers. These notes are mostly related to +the imap server, although they probably will be useful for other pieces too. + +Don't panic! Just manhole into it +================================= + +If you want to inspect the objects living in your application memory, in +realtime, you can manhole into it. + +First of all, check that the modules ``PyCrypto`` and ``pyasn1`` are installed +into your system, they are needed for it to work. + +You just have to pass the ``LEAP_MAIL_MANHOLE=1`` enviroment variable while +launching the client:: + + LEAP_MAIL_MANHOLE=1 bitmask --debug + +And then you can ssh into your application! (password is "leap"):: + + ssh boss@localhost -p 2222 + +Did I mention how *awesome* twisted is?? ``:)`` + + +Profiling +========= +If using ``twistd`` to launch the server, you can use twisted profiling +capabities:: + + LEAP_MAIL_CONFIG=~/.leapmailrc twistd --profile=/tmp/mail-profiling -n -y imap-server.tac + +``--profiler`` option allows you to select different profilers (default is +"hotshot"). + +You can also do profiling when using the ``bitmask`` client. Enable the +``LEAP_PROFILE_IMAPCMD`` environment flag to get profiling of certain IMAP +commands:: + + LEAP_PROFILE_IMAPCMD=1 bitmask --debug + +Offline mode +============ + +The client has an ``--offline`` flag that will make the Mail services (imap, +currently) not try to sync with remote replicas. Very useful during development, +although you need to login with the remote server at least once before being +able to use it. + +Mutt config +=========== + +You cannot live without mutt? You're lucky! Use the following minimal config +with the imap service:: + + set folder="imap://user@provider@localhost:1984" + set spoolfile="imap://user@provider@localhost:1984/INBOX" + set ssl_starttls = no + set ssl_force_tls = no + set imap_pass=MAHSIKRET + + +Running the service with twistd +=============================== + +In order to run the mail service (currently, the imap server only), you will +need a config with this info:: + + [leap_mail] + userid = "user@provider" + uuid = "deadbeefdeadabad" + passwd = "foobar" # Optional + +In the ``LEAP_MAIL_CONFIG`` enviroment variable. If you do not specify a password +parameter, you'll be prompted for it. + +In order to get the user uid (uuid), look into the +``~/.config/leap/leap-backend.conf`` file after you have logged in into your +provider at least once. + +Run the twisted service:: + + LEAP_MAIL_CONFIG=~/.leapmailrc twistd -n -y imap-server.tac + +Now you can telnet into your local IMAP server and read your mail like a real +programmer™:: + + % telnet localhost 1984 + Trying 127.0.0.1... + Connected to localhost. + Escape character is '^]'. + * OK [CAPABILITY IMAP4rev1 LITERAL+ IDLE NAMESPACE] Twisted IMAP4rev1 Ready + tag LOGIN me@myprovider.net mahsikret + tag OK LOGIN succeeded + tag SELECT Inbox + * 2 EXISTS + * 1 RECENT + * FLAGS (\Seen \Answered \Flagged \Deleted \Draft \Recent List) + * OK [UIDVALIDITY 1410453885932] UIDs valid + tag OK [READ-WRITE] SELECT successful + ^] + telnet> Connection closed. + + +Although you probably prefer to use ``offlineimap`` for tests:: + + offlineimap -c LEAPofflineimapRC-tests + + +Minimal offlineimap configuration +--------------------------------- + +You can use this as a sample offlineimap config file:: + + [general] + accounts = leap-local + + [Account leap-local] + localrepository = LocalLeap + remoterepository = RemoteLeap + + [Repository LocalLeap] + type = Maildir + localfolders = ~/LEAPMail/Mail + + [Repository RemoteLeap] + type = IMAP + ssl = no + remotehost = localhost + remoteport = 1984 + remoteuser = user + remotepass = pass + +Testing utilities +----------------- +There are a bunch of utilities to test IMAP delivery in ``imap/tests`` folder. +If looking for a quick way of inspecting mailboxes, have a look at ``getmail``:: + + ./getmail me@testprovider.net mahsikret + 1. Drafts + 2. INBOX + 3. Trash + Which mailbox? [1] 2 + 1 Subject: this is the time of the revolution + 2 Subject: ignore me + + Which message? [1] (Q quits) 1 + 1 X-Leap-Provenance: Thu, 11 Sep 2014 16:52:11 -0000; pubkey="C1F8DE10BD151F99" + Received: from mx1.testprovider.net(mx1.testprovider.net [198.197.196.195]) + (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) + (Client CN "*.foobar.net", Issuer "Gandi Standard SSL CA" (not verified)) + by blackhole (Postfix) with ESMTPS id DEADBEEF + for <me@testprovider.net>; Thu, 11 Sep 2014 16:52:10 +0000 (UTC) + Delivered-To: 926d4915cfd42b6d96d38660c04613af@testprovider.net + Message-Id: <20140911165205.GB8054@samsara> + From: Kali <kali@leap.se> + + (snip) + +IMAP Message Rendering Regressions +---------------------------------- + +For testing the IMAP server implementation, there is a litte regressions script +that needs some manual work from your side. + +First of all, you need an already initialized account. Which for now basically +means you have created a new account with a provider that offers the Encrypted +Mail Service, using the Bitmask Client wizard. Then you need to log in with that +account, and let it generate the secrets and sync with the remote for a first +time. After this you can run the twistd server locally and offline. + +From the ``leap.mail.imap.tests`` folder, and with an already initialized server +running:: + + ./regressions_mime_struct user@provider pass path_to_samples/ + +You can find several message samples in the ``leap/mail/tests`` folder. + + +Debugging IMAP commands +======================= + +Use ``ngrep`` to obtain logs of the commands:: + + sudo ngrep -d lo -W byline port 1984 + +To get verbose output from thunderbird/icedove, set the following environment +variable:: + + NSPR_LOG_MODULES="imap:5" icedove diff --git a/docs/index.rst b/docs/index.rst index 4801833..8bacc51 100644 --- a/docs/index.rst +++ b/docs/index.rst @@ -6,7 +6,7 @@ Welcome to leap.mail's documentation! ===================================== -This is the documentation for the ``leap.imap`` module. It is a twisted package +This is the documentation for the ``leap.mail`` module. It is a twisted package that exposes two services, ``smtp`` and ``imap``, that run local proxies and interact with a remote ``LEAP`` provider that offers *a soledad syncronization endpoint* and receive the outgoing email. @@ -38,6 +38,8 @@ server as another code entity that uses this lower layer. .. toctree:: :maxdepth: 2 + hacking + .. intro .. tutorial diff --git a/pkg/generate_wheels.sh b/pkg/generate_wheels.sh new file mode 100755 index 0000000..6679d1d --- /dev/null +++ b/pkg/generate_wheels.sh @@ -0,0 +1,14 @@ +#!/bin/sh +# Generate wheels for dependencies +# For convenience, u1db and dirspec are allowed with insecure flags enabled. +# Use at your own risk. + +if [ "$WHEELHOUSE" = "" ]; then + WHEELHOUSE=$HOME/wheelhouse +fi + +pip wheel --wheel-dir $WHEELHOUSE pip +pip wheel --wheel-dir $WHEELHOUSE -r pkg/requirements.pip +if [ -f pkg/requirements-testing.pip ]; then + pip wheel --wheel-dir $WHEELHOUSE -r pkg/requirements-testing.pip +fi diff --git a/pkg/pip_install_requirements.sh b/pkg/pip_install_requirements.sh new file mode 100755 index 0000000..57732e2 --- /dev/null +++ b/pkg/pip_install_requirements.sh @@ -0,0 +1,86 @@ +#!/bin/bash +# Update pip and install LEAP base/testing requirements. +# For convenience, $insecure_packages are allowed with insecure flags enabled. +# Use at your own risk. +# See $usage for help + +insecure_packages="" +leap_wheelhouse=https://lizard.leap.se/wheels + +show_help() { + usage="Usage: $0 [--testing] [--use-leap-wheels]\n --testing\t\tInstall dependencies from requirements-testing.pip\n +\t\t\tOtherwise, it will install requirements.pip\n +--use-leap-wheels\tUse wheels from leap.se" + echo -e $usage + + exit 1 +} + +process_arguments() { + testing=false + use_leap_wheels=false + + while [ "$#" -gt 0 ]; do + # From http://stackoverflow.com/a/31443098 + case "$1" in + --help) show_help;; + --testing) testing=true; shift 1;; + --use-leap-wheels) use_leap_wheels=true; shift 1;; + + -h) show_help;; + -*) echo "unknown option: $1" >&2; exit 1;; + esac + done +} + +return_wheelhouse() { + if $use_leap_wheels ; then + WHEELHOUSE=$leap_wheelhouse + elif [ "$WHEELHOUSE" = "" ]; then + WHEELHOUSE=$HOME/wheelhouse + fi + + # Tested with bash and zsh + if [[ $WHEELHOUSE != http* && ! -d "$WHEELHOUSE" ]]; then + mkdir $WHEELHOUSE + fi + + echo "$WHEELHOUSE" +} + +return_install_options() { + wheelhouse=`return_wheelhouse` + install_options="-U --find-links=$wheelhouse" + if $use_leap_wheels ; then + install_options="$install_options --trusted-host lizard.leap.se" + fi + + echo $install_options +} + +return_insecure_flags() { + for insecure_package in $insecure_packages; do + flags="$flags --allow-external $insecure_package --allow-unverified $insecure_package" + done + + echo $flags +} + +return_packages() { + if $testing ; then + packages="-r pkg/requirements-testing.pip" + else + packages="-r pkg/requirements.pip" + fi + + echo $packages +} + +process_arguments $@ +install_options=`return_install_options` +insecure_flags=`return_insecure_flags` +packages=`return_packages` + +pip install -U wheel +pip install $install_options pip +pip install $install_options $insecure_flags $packages diff --git a/pkg/requirements-latest.pip b/pkg/requirements-latest.pip new file mode 100644 index 0000000..846a319 --- /dev/null +++ b/pkg/requirements-latest.pip @@ -0,0 +1,9 @@ +--index-url https://pypi.python.org/simple/ + +--allow-external u1db --allow-unverified u1db +--allow-external dirspec --allow-unverified dirspec +-e 'git+https://github.com/pixelated-project/leap_pycommon.git@develop#egg=leap.common' +-e 'git+https://github.com/pixelated-project/soledad.git@develop#egg=leap.soledad.common&subdirectory=common/' +-e 'git+https://github.com/pixelated-project/soledad.git@develop#egg=leap.soledad.client&subdirectory=client/' +-e 'git+https://github.com/pixelated-project/keymanager.git@develop#egg=leap.keymanager' +-e . diff --git a/pkg/requirements-leap.pip b/pkg/requirements-leap.pip new file mode 100644 index 0000000..f50487e --- /dev/null +++ b/pkg/requirements-leap.pip @@ -0,0 +1,3 @@ +leap.common>=0.4.0 +leap.soledad.client>=0.7.0 +leap.keymanager>=0.4.0 diff --git a/pkg/requirements.pip b/pkg/requirements.pip index 3a03563..0871319 100644 --- a/pkg/requirements.pip +++ b/pkg/requirements.pip @@ -1,7 +1,3 @@ zope.interface -leap.soledad.client>=0.5.0 -leap.common>=0.3.7 -leap.keymanager>=0.3.8 -#twisted # removed for debian package zope.proxy -enum34 +service-identity diff --git a/pkg/tools/get_authors.sh b/pkg/tools/get_authors.sh new file mode 100755 index 0000000..0169bb1 --- /dev/null +++ b/pkg/tools/get_authors.sh @@ -0,0 +1,2 @@ +#!/bin/sh +git log --format='%aN <%aE>' | awk '{arr[$0]++} END{for (i in arr){print arr[i], i;}}' | sort -rn | cut -d' ' -f2- diff --git a/pkg/utils.py b/pkg/utils.py index deace14..d168010 100644 --- a/pkg/utils.py +++ b/pkg/utils.py @@ -14,20 +14,34 @@ # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. - """ Utils to help in the setup process """ - import os import re import sys +def is_develop_mode(): + """ + Returns True if we're calling the setup script using the argument for + setuptools development mode. + + This avoids messing up with dependency pinning and order, the + responsibility of installing the leap dependencies is left to the + developer. + """ + args = sys.argv + devflags = "setup.py", "develop" + if (args[0], args[1]) == devflags: + return True + return False + + def get_reqs_from_files(reqfiles): """ Returns the contents of the top requirement file listed as a - string list with the lines + string list with the lines. @param reqfiles: requirement files to parse @type reqfiles: list of str @@ -43,6 +57,9 @@ def parse_requirements(reqfiles=['requirements.txt', """ Parses the requirement files provided. + The passed reqfiles list is a list of possible locations to try, the + function will return the contents of the first path found. + Checks the value of LEAP_VENV_SKIP_PYSIDE to see if it should return PySide as a dep or not. Don't set, or set to 0 if you want to install it through pip. @@ -58,9 +75,9 @@ def parse_requirements(reqfiles=['requirements.txt', if re.match(r'\s*-e\s+', line): pass # do not try to do anything with externals on vcs - #requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1', - #line)) - # http://foo.bar/baz/foobar/zipball/master#egg=foobar + # requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1', + # line)) + # http://foo.bar/baz/foobar/zipball/master#egg=foobar elif re.match(r'\s*https?:', line): requirements.append(re.sub(r'\s*https?:.*#egg=(.*)$', r'\1', line)) diff --git a/setup.cfg b/setup.cfg new file mode 100644 index 0000000..51070c6 --- /dev/null +++ b/setup.cfg @@ -0,0 +1,10 @@ +[aliases] +test = trial + +[pep8] +exclude = versioneer.py,_version.py,*.egg,build,docs +ignore = E731 + +[flake8] +exclude = versioneer.py,_version.py,*.egg,build,docs +ignore = E731 @@ -20,6 +20,10 @@ Setup file for leap.mail import re from setuptools import setup from setuptools import find_packages +from setuptools import Command + +from pkg import utils + import versioneer versioneer.versionfile_source = 'src/leap/mail/_version.py' @@ -27,7 +31,6 @@ versioneer.versionfile_build = 'leap/mail/_version.py' versioneer.tag_prefix = '' # tags are like 1.2.0 versioneer.parentdir_prefix = 'leap.mail-' -from pkg import utils trove_classifiers = [ 'Development Status :: 4 - Beta', @@ -63,9 +66,6 @@ if len(_version_short) > 0: cmdclass = versioneer.get_cmdclass() -from setuptools import Command - - class freeze_debianver(Command): """ Freezes the version in a debian branch. @@ -111,6 +111,22 @@ cmdclass["freeze_debianver"] = freeze_debianver # XXX add ref to docs +requirements = utils.parse_requirements() + +if utils.is_develop_mode(): + print + print ("[WARNING] Skipping leap-specific dependencies " + "because development mode is detected.") + print ("[WARNING] You can install " + "the latest published versions with " + "'pip install -r pkg/requirements-leap.pip'") + print ("[WARNING] Or you can instead do 'python setup.py develop' " + "from the parent folder of each one of them.") + print +else: + requirements += utils.parse_requirements( + reqfiles=["pkg/requirements-leap.pip"]) + setup( name='leap.mail', version=VERSION, @@ -130,7 +146,7 @@ setup( package_dir={'': 'src'}, packages=find_packages('src'), test_suite='leap.mail.load_tests.load_tests', - install_requires=utils.parse_requirements(), + install_requires=requirements, tests_require=utils.parse_requirements( reqfiles=['pkg/requirements-testing.pip']), ) diff --git a/src/leap/mail/_version.py b/src/leap/mail/_version.py index fe18f6c..d32052b 100644 --- a/src/leap/mail/_version.py +++ b/src/leap/mail/_version.py @@ -1,4 +1,3 @@ - # This file was generated by the `freeze_debianver` command in setup.py # Using 'versioneer.py' (0.7+) from # revision-control system data, or from the parent directory name of an diff --git a/src/leap/mail/adaptors/__init__.py b/src/leap/mail/adaptors/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/src/leap/mail/adaptors/__init__.py diff --git a/src/leap/mail/adaptors/models.py b/src/leap/mail/adaptors/models.py new file mode 100644 index 0000000..49460f7 --- /dev/null +++ b/src/leap/mail/adaptors/models.py @@ -0,0 +1,123 @@ +# -*- coding: utf-8 -*- +# models.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Generic Models to be used by the Document Adaptors. +""" +import copy + + +class SerializableModel(object): + """ + A Generic document model, that can be serialized into a dictionary. + + Subclasses of this `SerializableModel` are meant to be added as class + attributes of classes inheriting from DocumentWrapper. + + A subclass __meta__ of this SerializableModel might exist, and contain info + relative to particularities of this model. + + For instance, the use of `__meta__.index` marks the existence of a primary + index in the model, which will be used to do unique queries (in which case + all the other indexed fields in the underlying document will be filled with + the default info contained in the model definition). + """ + + @classmethod + def serialize(klass): + """ + Get a dictionary representation of the public attributes in the model + class. To avoid collisions with builtin functions, any occurrence of an + attribute ended in '_' (like 'type_') will be normalized by removing + the trailing underscore. + + This classmethod is used from within the serialized method of a + DocumentWrapper instance: it provides defaults for the + empty document. + """ + assert isinstance(klass, type) + return _normalize_dict(klass.__dict__) + + +class DocumentWrapper(object): + """ + A Wrapper object that can be manipulated, passed around, and serialized in + a format that the store understands. + It is related to a SerializableModel, which must be specified as the + ``model`` class attribute. The instance of this DocumentWrapper will not + allow any other *public* attributes than those defined in the corresponding + model. + """ + # TODO we could do some very basic type checking here + # TODO set a dirty flag (on __setattr__, whenever the value is != from + # before) + # TODO we could enforce the existence of a correct "model" attribute + # in some other way (other than in the initializer) + + def __init__(self, **kwargs): + if not getattr(self, 'model', None): + raise RuntimeError( + 'DocumentWrapper class needs a model attribute') + + defaults = self.model.serialize() + + if kwargs: + values = copy.deepcopy(defaults) + values.update(_normalize_dict(kwargs)) + else: + values = defaults + + for k, v in values.items(): + k = k.replace('-', '_') + setattr(self, k, v) + + def __setattr__(self, attr, value): + normalized = _normalize_dict(self.model.__dict__) + if not attr.startswith('_') and attr not in normalized: + raise RuntimeError( + "Cannot set attribute because it's not defined " + "in the model %s: %s" % (self.__class__, attr)) + object.__setattr__(self, attr, value) + + def serialize(self): + return _normalize_dict(self.__dict__) + + def create(self): + raise NotImplementedError() + + def update(self): + raise NotImplementedError() + + def delete(self): + raise NotImplementedError() + + @classmethod + def get_or_create(self): + raise NotImplementedError() + + @classmethod + def get_all(self): + raise NotImplementedError() + + +def _normalize_dict(_dict): + items = _dict.items() + items = filter(lambda (k, v): not callable(v), items) + items = filter(lambda (k, v): not k.startswith('_'), items) + items = [(k, v) if not k.endswith('_') else (k[:-1], v) + for (k, v) in items] + items = [(k.replace('-', '_'), v) for (k, v) in items] + return dict(items) diff --git a/src/leap/mail/adaptors/soledad.py b/src/leap/mail/adaptors/soledad.py new file mode 100644 index 0000000..d114707 --- /dev/null +++ b/src/leap/mail/adaptors/soledad.py @@ -0,0 +1,1248 @@ +# soledad.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Soledadad MailAdaptor module. +""" +import logging +import re + +from collections import defaultdict +from email import message_from_string + +from pycryptopp.hash import sha256 +from twisted.internet import defer +from twisted.python import log +from zope.interface import implements +import u1db + +from leap.common.check import leap_assert, leap_assert_type + +from leap.mail import constants +from leap.mail import walk +from leap.mail.adaptors import soledad_indexes as indexes +from leap.mail.constants import INBOX_NAME +from leap.mail.adaptors import models +from leap.mail.imap.mailbox import normalize_mailbox +from leap.mail.utils import lowerdict, first +from leap.mail.utils import stringify_parts_map +from leap.mail.interfaces import IMailAdaptor, IMessageWrapper + +from leap.soledad.common.document import SoledadDocument + + +logger = logging.getLogger(__name__) + +# TODO +# [ ] Convenience function to create mail specifying subject, date, etc? + + +_MSGID_PATTERN = r"""<([\w@.]+)>""" +_MSGID_RE = re.compile(_MSGID_PATTERN) + + +class DuplicatedDocumentError(Exception): + """ + Raised when a duplicated document is detected. + """ + pass + + +def cleanup_deferred_locks(): + """ + Need to use this from within trial to cleanup the reactor before + each run. + """ + SoledadDocumentWrapper._k_locks = defaultdict(defer.DeferredLock) + + +class SoledadDocumentWrapper(models.DocumentWrapper): + """ + A Wrapper object that can be manipulated, passed around, and serialized in + a format that the Soledad Store understands. + + It ensures atomicity of the document operations on creation, update and + deletion. + """ + # TODO we could also use a _dirty flag (in models) + # TODO add a get_count() method ??? -- that is extended over u1db. + + # We keep a dictionary with DeferredLocks, that will be + # unique to every subclass of SoledadDocumentWrapper. + _k_locks = defaultdict(defer.DeferredLock) + + @classmethod + def _get_klass_lock(cls): + """ + Get a DeferredLock that is unique for this subclass name. + Used to lock the access to indexes in the `get_or_create` call + for a particular DocumentWrapper. + """ + return cls._k_locks[cls.__name__] + + def __init__(self, doc_id=None, future_doc_id=None, **kwargs): + self._doc_id = doc_id + self._future_doc_id = future_doc_id + self._lock = defer.DeferredLock() + super(SoledadDocumentWrapper, self).__init__(**kwargs) + + @property + def doc_id(self): + return self._doc_id + + @property + def future_doc_id(self): + return self._future_doc_id + + def set_future_doc_id(self, doc_id): + self._future_doc_id = doc_id + + def create(self, store, is_copy=False): + """ + Create the documents for this wrapper. + Since this method will not check for duplication, the + responsibility of avoiding duplicates is left to the caller. + + You might be interested in using `get_or_create` classmethod + instead (that's the preferred way of creating documents from + the wrapper object). + + :return: a deferred that will fire when the underlying + Soledad document has been created. + :rtype: Deferred + """ + leap_assert(self._doc_id is None, + "This document already has a doc_id!") + + def update_doc_id(doc): + self._doc_id = doc.doc_id + self.set_future_doc_id(None) + return doc + + def update_wrapper(failure): + # In the case of some copies (for instance, from one folder to + # another and back to the original folder), the document that we + # want to insert already exists. In this case, putting it + # and overwriting the document with that doc_id is the right thing + # to do. + failure.trap(u1db.errors.RevisionConflict) + self._doc_id = self.future_doc_id + self._future_doc_id = None + return self.update(store) + + if self.future_doc_id is None: + d = store.create_doc(self.serialize()) + else: + d = store.create_doc(self.serialize(), + doc_id=self.future_doc_id) + d.addCallback(update_doc_id) + + if is_copy: + d.addErrback(update_wrapper) + else: + d.addErrback(self._catch_revision_conflict, self.future_doc_id) + return d + + def update(self, store): + """ + Update the documents for this wrapper. + + :return: a deferred that will fire when the underlying + Soledad document has been updated. + :rtype: Deferred + """ + # the deferred lock guards against revision conflicts + return self._lock.run(self._update, store) + + def _update(self, store): + leap_assert(self._doc_id is not None, + "Need to create doc before updating") + + def update_and_put_doc(doc): + doc.content.update(self.serialize()) + d = store.put_doc(doc) + d.addErrback(self._catch_revision_conflict, doc.doc_id) + return d + + d = store.get_doc(self._doc_id) + d.addCallback(update_and_put_doc) + return d + + def _catch_revision_conflict(self, failure, doc_id): + # XXX We can have some RevisionConflicts if we try + # to put the docs that are already there. + # This can happen right now when creating/saving the cdocs + # during a copy. Instead of catching and ignoring this + # error, we should mark them in the copy so there is no attempt to + # create/update them. + failure.trap(u1db.errors.RevisionConflict) + logger.debug("Got conflict while putting %s" % doc_id) + + def delete(self, store): + """ + Delete the documents for this wrapper. + + :return: a deferred that will fire when the underlying + Soledad document has been deleted. + :rtype: Deferred + """ + # the deferred lock guards against conflicts while updating + return self._lock.run(self._delete, store) + + def _delete(self, store): + leap_assert(self._doc_id is not None, + "Need to create doc before deleting") + # XXX might want to flag this DocumentWrapper to avoid + # updating it by mistake. This could go in models.DocumentWrapper + + def delete_doc(doc): + return store.delete_doc(doc) + + d = store.get_doc(self._doc_id) + d.addCallback(delete_doc) + return d + + @classmethod + def get_or_create(cls, store, index, value): + """ + Get a unique DocumentWrapper by index, or create a new one if the + matching query does not exist. + + :param index: the primary index for the model. + :type index: str + :param value: the value to query the primary index. + :type value: str + + :return: a deferred that will be fired with the SoledadDocumentWrapper + matching the index query, either existing or just created. + :rtype: Deferred + """ + return cls._get_klass_lock().run( + cls._get_or_create, store, index, value) + + @classmethod + def _get_or_create(cls, store, index, value): + # TODO shorten this method. + assert store is not None + assert index is not None + assert value is not None + + def get_main_index(): + try: + return cls.model.__meta__.index + except AttributeError: + raise RuntimeError("The model is badly defined") + + # TODO separate into another method? + def try_to_get_doc_from_index(indexes): + values = [] + idx_def = dict(indexes)[index] + if len(idx_def) == 1: + values = [value] + else: + main_index = get_main_index() + fields = cls.model.serialize() + for field in idx_def: + if field == main_index: + values.append(value) + else: + values.append(fields[field]) + d = store.get_from_index(index, *values) + return d + + def get_first_doc_if_any(docs): + if not docs: + return None + if len(docs) > 1: + raise DuplicatedDocumentError + return docs[0] + + def wrap_existing_or_create_new(doc): + if doc: + return cls(doc_id=doc.doc_id, **doc.content) + else: + return create_and_wrap_new_doc() + + def create_and_wrap_new_doc(): + # XXX use closure to store indexes instead of + # querying for them again. + d = store.list_indexes() + d.addCallback(get_wrapper_instance_from_index) + d.addCallback(return_wrapper_when_created) + return d + + def get_wrapper_instance_from_index(indexes): + init_values = {} + idx_def = dict(indexes)[index] + if len(idx_def) == 1: + init_value = {idx_def[0]: value} + return cls(**init_value) + main_index = get_main_index() + fields = cls.model.serialize() + for field in idx_def: + if field == main_index: + init_values[field] = value + else: + init_values[field] = fields[field] + return cls(**init_values) + + def return_wrapper_when_created(wrapper): + d = wrapper.create(store) + d.addCallback(lambda doc: wrapper) + return d + + d = store.list_indexes() + d.addCallback(try_to_get_doc_from_index) + d.addCallback(get_first_doc_if_any) + d.addCallback(wrap_existing_or_create_new) + return d + + @classmethod + def get_all(cls, store): + """ + Get a collection of wrappers around all the documents belonging + to this kind. + + For this to work, the model.__meta__ needs to include a tuple with + the index to be used for listing purposes, and which is the field to be + used to query the index. + + Note that this method only supports indexes of a single field at the + moment. It also might be too expensive to return all the documents + matching the query, so handle with care. + + class __meta__(object): + index = "name" + list_index = ("by-type", "type_") + + :return: a deferred that will be fired with an iterable containing + as many SoledadDocumentWrapper are matching the index defined + in the model as the `list_index`. + :rtype: Deferred + """ + # TODO LIST (get_all) + # [ ] extend support to indexes with n-ples + # [ ] benchmark the cost of querying and returning indexes in a big + # database. This might badly need pagination before being put to + # serious use. + return cls._get_klass_lock().run(cls._get_all, store) + + @classmethod + def _get_all(cls, store): + try: + list_index, list_attr = cls.model.__meta__.list_index + except AttributeError: + raise RuntimeError("The model is badly defined: no list_index") + try: + index_value = getattr(cls.model, list_attr) + except AttributeError: + raise RuntimeError("The model is badly defined: " + "no attribute matching list_index") + + def wrap_docs(docs): + return (cls(doc_id=doc.doc_id, **doc.content) for doc in docs) + + d = store.get_from_index(list_index, index_value) + d.addCallback(wrap_docs) + return d + + def __repr__(self): + try: + idx = getattr(self, self.model.__meta__.index) + except AttributeError: + idx = "" + return "<%s: %s (%s)>" % (self.__class__.__name__, + idx, self._doc_id) + + +# +# Message documents +# + +class FlagsDocWrapper(SoledadDocumentWrapper): + + class model(models.SerializableModel): + type_ = "flags" + chash = "" + + mbox_uuid = "" + seen = False + deleted = False + recent = False + flags = [] + tags = [] + size = 0 + multi = False + + class __meta__(object): + index = "mbox" + + def set_mbox_uuid(self, mbox_uuid): + # XXX raise error if already created, should use copy instead + mbox_uuid = mbox_uuid.replace('-', '_') + new_id = constants.FDOCID.format(mbox_uuid=mbox_uuid, chash=self.chash) + self._future_doc_id = new_id + self.mbox_uuid = mbox_uuid + + def get_flags(self): + """ + Get the flags for this message (as a tuple of strings, not unicode). + """ + return map(str, self.flags) + + +class HeaderDocWrapper(SoledadDocumentWrapper): + + class model(models.SerializableModel): + type_ = "head" + chash = "" + + date = "" + subject = "" + headers = {} + part_map = {} + body = "" # link to phash of body + msgid = "" + multi = False + + class __meta__(object): + index = "chash" + + +class ContentDocWrapper(SoledadDocumentWrapper): + + class model(models.SerializableModel): + type_ = "cnt" + phash = "" + + ctype = "" # XXX index by ctype too? + lkf = [] # XXX not implemented yet! + raw = "" + + content_disposition = "" + content_transfer_encoding = "" + content_type = "" + + class __meta__(object): + index = "phash" + + +class MetaMsgDocWrapper(SoledadDocumentWrapper): + + class model(models.SerializableModel): + type_ = "meta" + fdoc = "" + hdoc = "" + cdocs = [] + + def set_mbox_uuid(self, mbox_uuid): + # XXX raise error if already created, should use copy instead + mbox_uuid = mbox_uuid.replace('-', '_') + chash = re.findall(constants.FDOCID_CHASH_RE, self.fdoc)[0] + new_id = constants.METAMSGID.format(mbox_uuid=mbox_uuid, chash=chash) + new_fdoc_id = constants.FDOCID.format(mbox_uuid=mbox_uuid, chash=chash) + self._future_doc_id = new_id + self.fdoc = new_fdoc_id + + +class MessageWrapper(object): + + # This could benefit of a DeferredLock to create/update all the + # documents at the same time maybe, and defend against concurrent updates? + + implements(IMessageWrapper) + + def __init__(self, mdoc, fdoc, hdoc, cdocs=None, is_copy=False): + """ + Need at least a metamsg-document, a flag-document and a header-document + to instantiate a MessageWrapper. Content-documents can be retrieved + lazily. + + cdocs, if any, should be a dictionary in which the keys are ascending + integers, beginning at one, and the values are dictionaries with the + content of the content-docs. + + is_copy, if set to True, will only attempt to create mdoc and fdoc + (because hdoc and cdocs are supposed to exist already) + """ + self._is_copy = is_copy + + def get_doc_wrapper(doc, cls): + if isinstance(doc, SoledadDocument): + doc_id = doc.doc_id + doc = doc.content + else: + doc_id = None + if not doc: + doc = {} + return cls(doc_id=doc_id, **doc) + + self.mdoc = get_doc_wrapper(mdoc, MetaMsgDocWrapper) + + self.fdoc = get_doc_wrapper(fdoc, FlagsDocWrapper) + self.fdoc.set_future_doc_id(self.mdoc.fdoc) + + self.hdoc = get_doc_wrapper(hdoc, HeaderDocWrapper) + self.hdoc.set_future_doc_id(self.mdoc.hdoc) + + if cdocs is None: + cdocs = {} + cdocs_keys = cdocs.keys() + assert sorted(cdocs_keys) == range(1, len(cdocs_keys) + 1) + self.cdocs = dict([ + (key, get_doc_wrapper(doc, ContentDocWrapper)) + for (key, doc) in cdocs.items()]) + for doc_id, cdoc in zip(self.mdoc.cdocs, self.cdocs.values()): + if cdoc.raw == "": + log.msg("Empty raw field in cdoc %s" % doc_id) + cdoc.set_future_doc_id(doc_id) + + def create(self, store, notify_just_mdoc=False, pending_inserts_dict={}): + """ + Create all the parts for this message in the store. + + :param store: an instance of Soledad + + :param notify_just_mdoc: + if set to True, this method will return *only* the deferred + corresponding to the creation of the meta-message document. + Be warned that in that case there will be no record of failures + when creating the other part-documents. + + Otherwise, this method will return a deferred that will wait for + the creation of all the part documents. + + Setting this flag to True is mostly a convenient workaround for the + fact that massive serial appends will take too much time, and in + most of the cases the MUA will only switch to the mailbox where the + appends have happened after a certain time, which in most of the + times will be enough to have all the queued insert operations + finished. + :type notify_just_mdoc: bool + :param pending_inserts_dict: + a dictionary with the pending inserts ids. + :type pending_inserts_dict: dict + + :return: a deferred whose callback will be called when either all the + part documents have been written, or just the metamsg-doc, + depending on the value of the notify_just_mdoc flag + :rtype: defer.Deferred + """ + leap_assert(self.cdocs, + "Need non empty cdocs to create the " + "MessageWrapper documents") + leap_assert(self.mdoc.doc_id is None, + "Cannot create: mdoc has a doc_id") + leap_assert(self.fdoc.doc_id is None, + "Cannot create: fdoc has a doc_id") + + def unblock_pending_insert(result): + if pending_inserts_dict: + ci_headers = lowerdict(self.hdoc.headers) + msgid = ci_headers.get('message-id', None) + try: + d = pending_inserts_dict[msgid] + d.callback(msgid) + except KeyError: + pass + return result + + # TODO check that the doc_ids in the mdoc are coherent + self.d = [] + + mdoc_created = self.mdoc.create(store, is_copy=self._is_copy) + fdoc_created = self.fdoc.create(store, is_copy=self._is_copy) + + mdoc_created.addErrback(lambda f: log.err(f)) + fdoc_created.addErrback(lambda f: log.err(f)) + + self.d.append(mdoc_created) + self.d.append(fdoc_created) + + if not self._is_copy: + if self.hdoc.doc_id is None: + self.d.append(self.hdoc.create(store)) + for cdoc in self.cdocs.values(): + if cdoc.doc_id is not None: + # we could be just linking to an existing + # content-doc. + continue + self.d.append(cdoc.create(store)) + + def log_all_inserted(result): + log.msg("All parts inserted for msg!") + return result + + self.all_inserted_d = defer.gatherResults(self.d, consumeErrors=True) + self.all_inserted_d.addCallback(log_all_inserted) + self.all_inserted_d.addCallback(unblock_pending_insert) + self.all_inserted_d.addErrback(lambda failure: log.err(failure)) + + if notify_just_mdoc: + return mdoc_created + else: + return self.all_inserted_d + + def update(self, store): + """ + Update the only mutable parts, which are within the flags document. + """ + return self.fdoc.update(store) + + def delete(self, store): + # TODO + # Eventually this would have to do the duplicate search or send for the + # garbage collector. At least mdoc and t the mdoc and fdoc can be + # unlinked. + d = [] + if self.mdoc.doc_id: + d.append(self.mdoc.delete(store)) + d.append(self.fdoc.delete(store)) + return defer.gatherResults(d) + + def copy(self, store, new_mbox_uuid): + """ + Return a copy of this MessageWrapper in a new mailbox. + + :param store: an instance of Soledad, or anything that behaves alike. + :param new_mbox_uuid: the uuid of the mailbox where we are copying this + message to. + :type new_mbox_uuid: str + :rtype: MessageWrapper + """ + new_mdoc = self.mdoc.serialize() + new_fdoc = self.fdoc.serialize() + + # the future doc_ids is properly set because we modified + # the pointers in mdoc, which has precedence. + new_wrapper = MessageWrapper(new_mdoc, new_fdoc, None, None, + is_copy=True) + new_wrapper.hdoc = self.hdoc + new_wrapper.cdocs = self.cdocs + new_wrapper.set_mbox_uuid(new_mbox_uuid) + + # XXX could flag so that it only creates mdoc/fdoc... + + d = new_wrapper.create(store) + d.addCallback(lambda result: new_wrapper) + d.addErrback(lambda failure: log.err(failure)) + return d + + def set_mbox_uuid(self, mbox_uuid): + """ + Set the mailbox for this wrapper. + This method should only be used before the Documents for the + MessageWrapper have been created, will raise otherwise. + """ + mbox_uuid = mbox_uuid.replace('-', '_') + self.mdoc.set_mbox_uuid(mbox_uuid) + self.fdoc.set_mbox_uuid(mbox_uuid) + + def set_flags(self, flags): + # TODO serialize the get + update + if flags is None: + flags = tuple() + leap_assert_type(flags, tuple) + self.fdoc.flags = list(flags) + self.fdoc.deleted = "\\Deleted" in flags + self.fdoc.seen = "\\Seen" in flags + self.fdoc.recent = "\\Recent" in flags + + def set_tags(self, tags): + # TODO serialize the get + update + if tags is None: + tags = tuple() + leap_assert_type(tags, tuple) + self.fdoc.tags = list(tags) + + def set_date(self, date): + # XXX assert valid date format + self.hdoc.date = date + + def get_subpart_dict(self, index): + """ + :param index: the part to lookup, 1-indexed + :type index: int + :rtype: dict + """ + return self.hdoc.part_map[str(index)] + + def get_subpart_indexes(self): + return self.hdoc.part_map.keys() + + def get_body(self, store): + """ + :rtype: deferred + """ + body_phash = self.hdoc.body + if not body_phash: + if self.cdocs: + return self.cdocs[1] + d = store.get_doc('C-' + body_phash) + d.addCallback(lambda doc: ContentDocWrapper(**doc.content)) + return d + + +# +# Mailboxes +# + + +class MailboxWrapper(SoledadDocumentWrapper): + + class model(models.SerializableModel): + type_ = "mbox" + mbox = INBOX_NAME + uuid = None + flags = [] + recent = [] + created = 1 + closed = False + subscribed = False + + class __meta__(object): + index = "mbox" + list_index = (indexes.TYPE_IDX, 'type_') + + +# +# Soledad Adaptor +# + +class SoledadIndexMixin(object): + """ + This will need a class attribute `indexes`, that is a dictionary containing + the index definitions for the underlying u1db store underlying soledad. + + It needs to be in the following format: + {'index-name': ['field1', 'field2']} + + You can also add a class attribute `wait_for_indexes` to any class + inheriting from this Mixin, that should be a list of strings representing + the methods that need to wait until the indexes have been initialized + before being able to work properly. + """ + # TODO move this mixin to soledad itself + # so that each application can pass a set of indexes for their data model. + + # TODO could have a wrapper class for indexes, supporting introspection + # and __getattr__ + + # TODO make this an interface? + + indexes = {} + wait_for_indexes = [] + store_ready = False + + def initialize_store(self, store): + """ + Initialize the indexes in the database. + + :param store: store + :returns: a Deferred that will fire when the store is correctly + initialized. + :rtype: deferred + """ + # TODO I think we *should* get another deferredLock in here, but + # global to the soledad namespace, to protect from several points + # initializing soledad indexes at the same time. + self._wait_for_indexes() + + d = self._init_indexes(store) + d.addCallback(self._restore_waiting_methods) + return d + + def _init_indexes(self, store): + """ + Initialize the database indexes. + """ + leap_assert(store, "Cannot init indexes with null soledad") + leap_assert_type(self.indexes, dict) + + def _create_index(name, expression): + return store.create_index(name, *expression) + + def init_idexes(indexes): + deferreds = [] + db_indexes = dict(indexes) + # Loop through the indexes we expect to find. + for name, expression in self.indexes.items(): + if name not in db_indexes: + # The index does not yet exist. + d = _create_index(name, expression) + deferreds.append(d) + elif expression != db_indexes[name]: + # The index exists but the definition is not what expected, + # so we delete it and add the proper index expression. + d = store.delete_index(name) + d.addCallback( + lambda _: _create_index(name, *expression)) + deferreds.append(d) + return defer.gatherResults(deferreds, consumeErrors=True) + + def store_ready(whatever): + self.store_ready = True + return whatever + + self.deferred_indexes = store.list_indexes() + self.deferred_indexes.addCallback(init_idexes) + self.deferred_indexes.addCallback(store_ready) + return self.deferred_indexes + + def _wait_for_indexes(self): + """ + Make the marked methods to wait for the indexes to be ready. + Heavily based on + http://blogs.fluidinfo.com/terry/2009/05/11/a-mixin-class-allowing-python-__init__-methods-to-work-with-twisted-deferreds/ + + :param methods: methods that need to wait for the indexes to be ready + :type methods: tuple(str) + """ + leap_assert_type(self.wait_for_indexes, list) + methods = self.wait_for_indexes + + self.waiting = [] + self.stored = {} + + def makeWrapper(method): + def wrapper(*args, **kw): + d = defer.Deferred() + d.addCallback(lambda _: self.stored[method](*args, **kw)) + self.waiting.append(d) + return d + return wrapper + + for method in methods: + self.stored[method] = getattr(self, method) + setattr(self, method, makeWrapper(method)) + + def _restore_waiting_methods(self, _): + for method in self.stored: + setattr(self, method, self.stored[method]) + for d in self.waiting: + d.callback(None) + + +class SoledadMailAdaptor(SoledadIndexMixin): + + implements(IMailAdaptor) + store = None + + indexes = indexes.MAIL_INDEXES + wait_for_indexes = ['get_or_create_mbox', 'update_mbox', 'get_all_mboxes'] + + mboxwrapper_klass = MailboxWrapper + + def __init__(self): + SoledadIndexMixin.__init__(self) + + # Message handling + + def get_msg_from_string(self, MessageClass, raw_msg): + """ + Get an instance of a MessageClass initialized with a MessageWrapper + that contains all the parts obtained from parsing the raw string for + the message. + + :param MessageClass: any Message class that can be initialized passing + an instance of an IMessageWrapper implementor. + :type MessageClass: type + :param raw_msg: a string containing the raw email message. + :type raw_msg: str + :rtype: MessageClass instance. + """ + assert(MessageClass is not None) + mdoc, fdoc, hdoc, cdocs = _split_into_parts(raw_msg) + return self.get_msg_from_docs( + MessageClass, mdoc, fdoc, hdoc, cdocs) + + def get_msg_from_docs(self, MessageClass, mdoc, fdoc, hdoc, cdocs=None, + uid=None): + """ + Get an instance of a MessageClass initialized with a MessageWrapper + that contains the passed part documents. + + This is not the recommended way of obtaining a message, unless you know + how to take care of ensuring the internal consistency between the part + documents, or unless you are glueing together the part documents that + have been previously generated by `get_msg_from_string`. + + :param MessageClass: any Message class that can be initialized passing + an instance of an IMessageWrapper implementor. + :type MessageClass: type + :param fdoc: a dictionary containing values from which a + FlagsDocWrapper can be initialized + :type fdoc: dict + :param hdoc: a dictionary containing values from which a + HeaderDocWrapper can be initialized + :type hdoc: dict + :param cdocs: None, or a dictionary mapping integers (1-indexed) to + dicts from where a ContentDocWrapper can be initialized. + :type cdocs: dict, or None + + :rtype: MessageClass instance. + """ + assert(MessageClass is not None) + return MessageClass(MessageWrapper(mdoc, fdoc, hdoc, cdocs), uid=uid) + + def get_msg_from_mdoc_id(self, MessageClass, store, mdoc_id, + uid=None, get_cdocs=False): + + def wrap_meta_doc(doc): + cls = MetaMsgDocWrapper + return cls(doc_id=doc.doc_id, **doc.content) + + def get_part_docs_from_mdoc_wrapper(wrapper): + d_docs = [] + d_docs.append(store.get_doc(wrapper.fdoc)) + d_docs.append(store.get_doc(wrapper.hdoc)) + for cdoc in wrapper.cdocs: + d_docs.append(store.get_doc(cdoc)) + + def add_mdoc(doc_list): + return [wrapper.serialize()] + doc_list + + d = defer.gatherResults(d_docs) + d.addCallback(add_mdoc) + return d + + def get_parts_doc_from_mdoc_id(): + mbox = re.findall(constants.METAMSGID_MBOX_RE, mdoc_id)[0] + chash = re.findall(constants.METAMSGID_CHASH_RE, mdoc_id)[0] + + def _get_fdoc_id_from_mdoc_id(): + return constants.FDOCID.format(mbox_uuid=mbox, chash=chash) + + def _get_hdoc_id_from_mdoc_id(): + return constants.HDOCID.format(mbox_uuid=mbox, chash=chash) + + d_docs = [] + fdoc_id = _get_fdoc_id_from_mdoc_id() + hdoc_id = _get_hdoc_id_from_mdoc_id() + + d_docs.append(store.get_doc(mdoc_id)) + d_docs.append(store.get_doc(fdoc_id)) + d_docs.append(store.get_doc(hdoc_id)) + + d = defer.gatherResults(d_docs) + return d + + if get_cdocs: + d = store.get_doc(mdoc_id) + d.addCallback(wrap_meta_doc) + d.addCallback(get_part_docs_from_mdoc_wrapper) + else: + d = get_parts_doc_from_mdoc_id() + + d.addCallback(self._get_msg_from_variable_doc_list, + msg_class=MessageClass, uid=uid) + return d + + def _get_msg_from_variable_doc_list(self, doc_list, msg_class, uid=None): + if len(doc_list) == 3: + mdoc, fdoc, hdoc = doc_list + cdocs = None + elif len(doc_list) > 3: + # XXX is this case used? + mdoc, fdoc, hdoc = doc_list[:3] + cdocs = dict(enumerate(doc_list[3:], 1)) + return self.get_msg_from_docs( + msg_class, mdoc, fdoc, hdoc, cdocs, uid=uid) + + def get_flags_from_mdoc_id(self, store, mdoc_id): + """ + # XXX stuff here... + """ + mbox = re.findall(constants.METAMSGID_MBOX_RE, mdoc_id)[0] + chash = re.findall(constants.METAMSGID_CHASH_RE, mdoc_id)[0] + + def _get_fdoc_id_from_mdoc_id(): + return constants.FDOCID.format(mbox_uuid=mbox, chash=chash) + + fdoc_id = _get_fdoc_id_from_mdoc_id() + + def wrap_fdoc(doc): + if not doc: + return + cls = FlagsDocWrapper + return cls(doc_id=doc.doc_id, **doc.content) + + def get_flags(fdoc_wrapper): + if not fdoc_wrapper: + return [] + return fdoc_wrapper.get_flags() + + d = store.get_doc(fdoc_id) + d.addCallback(wrap_fdoc) + d.addCallback(get_flags) + return d + + def create_msg(self, store, msg): + """ + :param store: an instance of soledad, or anything that behaves alike + :param msg: a Message object. + + :return: a Deferred that is fired when all the underlying documents + have been created. + :rtype: defer.Deferred + """ + wrapper = msg.get_wrapper() + return wrapper.create(store) + + def update_msg(self, store, msg): + """ + :param msg: a Message object. + :param store: an instance of soledad, or anything that behaves alike + :return: a Deferred that is fired when all the underlying documents + have been updated (actually, it's only the fdoc that's allowed + to update). + :rtype: defer.Deferred + """ + wrapper = msg.get_wrapper() + return wrapper.update(store) + + # batch deletion + + def del_all_flagged_messages(self, store, mbox_uuid): + """ + Delete all messages flagged as deleted. + """ + def err(failure): + log.err(failure) + + def delete_fdoc_and_mdoc_flagged(fdocs): + # low level here, not using the wrappers... + # get meta doc ids from the flag doc ids + fdoc_ids = [doc.doc_id for doc in fdocs] + mdoc_ids = map(lambda s: "M" + s[1:], fdoc_ids) + + def delete_all_docs(mdocs, fdocs): + mdocs = list(mdocs) + doc_ids = [m.doc_id for m in mdocs] + _d = [] + docs = mdocs + fdocs + for doc in docs: + _d.append(store.delete_doc(doc)) + d = defer.gatherResults(_d) + # return the mdocs ids only + d.addCallback(lambda _: doc_ids) + return d + + d = store.get_docs(mdoc_ids) + d.addCallback(delete_all_docs, fdocs) + d.addErrback(err) + return d + + type_ = FlagsDocWrapper.model.type_ + uuid = mbox_uuid.replace('-', '_') + deleted_index = indexes.TYPE_MBOX_DEL_IDX + + d = store.get_from_index(deleted_index, type_, uuid, "1") + d.addCallbacks(delete_fdoc_and_mdoc_flagged, err) + return d + + # count messages + + def get_count_unseen(self, store, mbox_uuid): + """ + Get the number of unseen messages for a given mailbox. + + :param store: instance of Soledad. + :param mbox_uuid: the uuid for this mailbox. + :rtype: int + """ + type_ = FlagsDocWrapper.model.type_ + uuid = mbox_uuid.replace('-', '_') + + unseen_index = indexes.TYPE_MBOX_SEEN_IDX + + d = store.get_count_from_index(unseen_index, type_, uuid, "0") + d.addErrback(self._errback) + return d + + def get_count_recent(self, store, mbox_uuid): + """ + Get the number of recent messages for a given mailbox. + + :param store: instance of Soledad. + :param mbox_uuid: the uuid for this mailbox. + :rtype: int + """ + type_ = FlagsDocWrapper.model.type_ + uuid = mbox_uuid.replace('-', '_') + + recent_index = indexes.TYPE_MBOX_RECENT_IDX + + d = store.get_count_from_index(recent_index, type_, uuid, "1") + d.addErrback(self._errback) + return d + + # search api + + def get_mdoc_id_from_msgid(self, store, mbox_uuid, msgid): + """ + Get the UID for a message with the passed msgid (the one in the headers + msg-id). + This is used by the MUA to retrieve the recently saved draft. + """ + type_ = HeaderDocWrapper.model.type_ + uuid = mbox_uuid.replace('-', '_') + + msgid_index = indexes.TYPE_MSGID_IDX + + def get_mdoc_id(hdoc): + if not hdoc: + log.msg("Could not find a HDOC with MSGID %s" % msgid) + return None + hdoc = hdoc[0] + mdoc_id = hdoc.doc_id.replace("H-", "M-%s-" % uuid) + return mdoc_id + + d = store.get_from_index(msgid_index, type_, msgid) + d.addCallback(get_mdoc_id) + return d + + # Mailbox handling + + def get_or_create_mbox(self, store, name): + """ + Get the mailbox with the given name, or create one if it does not + exist. + + :param store: instance of Soledad + :param name: the name of the mailbox + :type name: str + """ + index = indexes.TYPE_MBOX_IDX + mbox = normalize_mailbox(name) + return MailboxWrapper.get_or_create(store, index, mbox) + + def update_mbox(self, store, mbox_wrapper): + """ + Update the documents for a given mailbox. + :param mbox_wrapper: MailboxWrapper instance + :type mbox_wrapper: MailboxWrapper + :return: a Deferred that will be fired when the mailbox documents + have been updated. + :rtype: defer.Deferred + """ + leap_assert_type(mbox_wrapper, SoledadDocumentWrapper) + return mbox_wrapper.update(store) + + def delete_mbox(self, store, mbox_wrapper): + leap_assert_type(mbox_wrapper, SoledadDocumentWrapper) + return mbox_wrapper.delete(store) + + def get_all_mboxes(self, store): + """ + Retrieve a list with wrappers for all the mailboxes. + + :return: a deferred that will be fired with a list of all the + MailboxWrappers found. + :rtype: defer.Deferred + """ + return MailboxWrapper.get_all(store) + + def _errback(self, failure): + log.err(failure) + + +def _split_into_parts(raw): + # TODO signal that we can delete the original message!----- + # when all the processing is done. + # TODO add the linked-from info ! + # TODO add reference to the original message? + # TODO populate Default FLAGS/TAGS (unseen?) + # TODO seed propely the content_docs with defaults?? + + msg, parts, chash, multi = _parse_msg(raw) + size = len(msg.as_string()) + + body_phash = walk.get_body_phash(msg) + + parts_map = walk.walk_msg_tree(parts, body_phash=body_phash) + cdocs_list = list(walk.get_raw_docs(msg, parts)) + cdocs_phashes = [c['phash'] for c in cdocs_list] + + mdoc = _build_meta_doc(chash, cdocs_phashes) + fdoc = _build_flags_doc(chash, size, multi) + hdoc = _build_headers_doc(msg, chash, body_phash, parts_map) + + # The MessageWrapper expects a dict, one-indexed + cdocs = dict(enumerate(cdocs_list, 1)) + + return mdoc, fdoc, hdoc, cdocs + + +def _parse_msg(raw): + msg = message_from_string(raw) + parts = walk.get_parts(msg) + chash = sha256.SHA256(raw).hexdigest() + multi = msg.is_multipart() + return msg, parts, chash, multi + + +def _build_meta_doc(chash, cdocs_phashes): + _mdoc = MetaMsgDocWrapper() + # FIXME passing the inbox name because we don't have the uuid at this + # point. + + _mdoc.fdoc = constants.FDOCID.format(mbox_uuid=INBOX_NAME, chash=chash) + _mdoc.hdoc = constants.HDOCID.format(chash=chash) + _mdoc.cdocs = [constants.CDOCID.format(phash=p) for p in cdocs_phashes] + return _mdoc.serialize() + + +def _build_flags_doc(chash, size, multi): + _fdoc = FlagsDocWrapper(chash=chash, size=size, multi=multi) + return _fdoc.serialize() + + +def _build_headers_doc(msg, chash, body_phash, parts_map): + """ + Assemble a headers document from the original parsed message, the + content-hash, and the parts map. + + It takes into account possibly repeated headers. + """ + headers = defaultdict(list) + for k, v in msg.items(): + headers[k].append(v) + # "fix" for repeated headers (as in "Received:" + for k, v in headers.items(): + newline = "\n%s: " % (k.lower(),) + headers[k] = newline.join(v) + + lower_headers = lowerdict(dict(headers)) + msgid = first(_MSGID_RE.findall( + lower_headers.get('message-id', ''))) + + _hdoc = HeaderDocWrapper( + chash=chash, headers=headers, body=body_phash, + msgid=msgid) + + def copy_attr(headers, key, doc): + if key in headers: + setattr(doc, key, headers[key]) + + copy_attr(lower_headers, "subject", _hdoc) + copy_attr(lower_headers, "date", _hdoc) + + hdoc = _hdoc.serialize() + # add parts map to header doc + # (body, multi, part_map) + for key in parts_map: + hdoc[key] = parts_map[key] + return stringify_parts_map(hdoc) diff --git a/src/leap/mail/adaptors/soledad_indexes.py b/src/leap/mail/adaptors/soledad_indexes.py new file mode 100644 index 0000000..eec7d28 --- /dev/null +++ b/src/leap/mail/adaptors/soledad_indexes.py @@ -0,0 +1,106 @@ +# -*- coding: utf-8 -*- +# soledad_indexes.py +# Copyright (C) 2013, 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Soledad Indexes for Mail Documents. +""" + +# TODO +# [ ] hide most of the constants here + +# Document Type, for indexing + +TYPE = "type" +MBOX = "mbox" +MBOX_UUID = "mbox_uuid" +FLAGS = "flags" +HEADERS = "head" +CONTENT = "cnt" +RECENT = "rct" +HDOCS_SET = "hdocset" + +INCOMING_KEY = "incoming" +ERROR_DECRYPTING_KEY = "errdecr" + +# indexing keys +CONTENT_HASH = "chash" +PAYLOAD_HASH = "phash" +MSGID = "msgid" +UID = "uid" + + +# Index types +# -------------- + +TYPE_IDX = 'by-type' +TYPE_MBOX_IDX = 'by-type-and-mbox' +TYPE_MBOX_UUID_IDX = 'by-type-and-mbox-uuid' +TYPE_SUBS_IDX = 'by-type-and-subscribed' +TYPE_MSGID_IDX = 'by-type-and-message-id' +TYPE_MBOX_SEEN_IDX = 'by-type-and-mbox-and-seen' +TYPE_MBOX_RECENT_IDX = 'by-type-and-mbox-and-recent' +TYPE_MBOX_DEL_IDX = 'by-type-and-mbox-and-deleted' +TYPE_MBOX_C_HASH_IDX = 'by-type-and-mbox-and-contenthash' +TYPE_C_HASH_IDX = 'by-type-and-contenthash' +TYPE_C_HASH_PART_IDX = 'by-type-and-contenthash-and-partnumber' +TYPE_P_HASH_IDX = 'by-type-and-payloadhash' + +# Soledad index for incoming mail, without decrypting errors. +# and the backward-compatible index, will be deprecated at 0.7 +JUST_MAIL_IDX = "just-mail" +JUST_MAIL_COMPAT_IDX = "just-mail-compat" + + +# TODO +# it would be nice to measure the cost of indexing +# by many fields. + +# TODO +# make the indexes dict more readable! + +MAIL_INDEXES = { + # generic + TYPE_IDX: [TYPE], + TYPE_MBOX_IDX: [TYPE, MBOX], + TYPE_MBOX_UUID_IDX: [TYPE, MBOX_UUID], + + # XXX deprecate 0.4.0 + # TYPE_MBOX_UID_IDX: [TYPE, MBOX, UID], + + # mailboxes + TYPE_SUBS_IDX: [TYPE, 'bool(subscribed)'], + + # fdocs uniqueness + TYPE_MBOX_C_HASH_IDX: [TYPE, MBOX, CONTENT_HASH], + + # headers doc - search by msgid. + TYPE_MSGID_IDX: [TYPE, MSGID], + + # content, headers doc + TYPE_C_HASH_IDX: [TYPE, CONTENT_HASH], + + # attachment payload dedup + TYPE_P_HASH_IDX: [TYPE, PAYLOAD_HASH], + + # messages + TYPE_MBOX_SEEN_IDX: [TYPE, MBOX_UUID, 'bool(seen)'], + TYPE_MBOX_RECENT_IDX: [TYPE, MBOX_UUID, 'bool(recent)'], + TYPE_MBOX_DEL_IDX: [TYPE, MBOX_UUID, 'bool(deleted)'], + + # incoming queue + JUST_MAIL_IDX: ["bool(%s)" % (INCOMING_KEY,), + "bool(%s)" % (ERROR_DECRYPTING_KEY,)], +} diff --git a/src/leap/mail/adaptors/tests/__init__.py b/src/leap/mail/adaptors/tests/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/src/leap/mail/adaptors/tests/__init__.py diff --git a/src/leap/mail/adaptors/tests/rfc822.message b/src/leap/mail/adaptors/tests/rfc822.message new file mode 120000 index 0000000..b19cc28 --- /dev/null +++ b/src/leap/mail/adaptors/tests/rfc822.message @@ -0,0 +1 @@ +../../tests/rfc822.message
\ No newline at end of file diff --git a/src/leap/mail/adaptors/tests/test_models.py b/src/leap/mail/adaptors/tests/test_models.py new file mode 100644 index 0000000..b82cfad --- /dev/null +++ b/src/leap/mail/adaptors/tests/test_models.py @@ -0,0 +1,106 @@ +# -*- coding: utf-8 -*- +# test_models.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Tests for the leap.mail.adaptors.models module. +""" +from twisted.trial import unittest + +from leap.mail.adaptors import models + + +class SerializableModelsTestCase(unittest.TestCase): + + def test_good_serialized_model(self): + + class M(models.SerializableModel): + foo = 42 + bar = 33 + baaz_ = None + _nope = 0 + __nope = 0 + + def not_today(self): + pass + + class IgnoreMe(object): + pass + + def killmeplease(x): + return x + + serialized = M.serialize() + expected = {'foo': 42, 'bar': 33, 'baaz': None} + self.assertEqual(serialized, expected) + + +class DocumentWrapperTestCase(unittest.TestCase): + + def test_wrapper_defaults(self): + + class Wrapper(models.DocumentWrapper): + class model(models.SerializableModel): + foo = 42 + bar = 11 + + wrapper = Wrapper() + wrapper._ignored = True + serialized = wrapper.serialize() + expected = {'foo': 42, 'bar': 11} + self.assertEqual(serialized, expected) + + def test_initialized_wrapper(self): + + class Wrapper(models.DocumentWrapper): + class model(models.SerializableModel): + foo = 42 + bar_ = 11 + + wrapper = Wrapper(foo=0, bar=-1) + serialized = wrapper.serialize() + expected = {'foo': 0, 'bar': -1} + self.assertEqual(serialized, expected) + + wrapper.foo = 23 + serialized = wrapper.serialize() + expected = {'foo': 23, 'bar': -1} + self.assertEqual(serialized, expected) + + wrapper = Wrapper(foo=0) + serialized = wrapper.serialize() + expected = {'foo': 0, 'bar': 11} + self.assertEqual(serialized, expected) + + def test_invalid_initialized_wrapper(self): + + class Wrapper(models.DocumentWrapper): + class model(models.SerializableModel): + foo = 42 + + def getwrapper(): + return Wrapper(bar=1) + self.assertRaises(RuntimeError, getwrapper) + + def test_no_model_wrapper(self): + + class Wrapper(models.DocumentWrapper): + pass + + def getwrapper(): + w = Wrapper() + w.foo = None + + self.assertRaises(RuntimeError, getwrapper) diff --git a/src/leap/mail/adaptors/tests/test_soledad_adaptor.py b/src/leap/mail/adaptors/tests/test_soledad_adaptor.py new file mode 100644 index 0000000..61e387c --- /dev/null +++ b/src/leap/mail/adaptors/tests/test_soledad_adaptor.py @@ -0,0 +1,529 @@ +# -*- coding: utf-8 -*- +# test_soledad_adaptor.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Tests for the Soledad Adaptor module - leap.mail.adaptors.soledad +""" +import os +from functools import partial + +from twisted.internet import defer + +from leap.mail.adaptors import models +from leap.mail.adaptors.soledad import SoledadDocumentWrapper +from leap.mail.adaptors.soledad import SoledadIndexMixin +from leap.mail.adaptors.soledad import SoledadMailAdaptor +from leap.mail.tests.common import SoledadTestMixin + +from email.MIMEMultipart import MIMEMultipart +from email.mime.text import MIMEText + +# DEBUG +# import logging +# logging.basicConfig(level=logging.DEBUG) + + +class CounterWrapper(SoledadDocumentWrapper): + class model(models.SerializableModel): + counter = 0 + flag = None + + +class CharacterWrapper(SoledadDocumentWrapper): + class model(models.SerializableModel): + name = "" + age = 20 + + +class ActorWrapper(SoledadDocumentWrapper): + class model(models.SerializableModel): + type_ = "actor" + name = None + + class __meta__(object): + index = "name" + list_index = ("by-type", "type_") + + +class TestAdaptor(SoledadIndexMixin): + indexes = {'by-name': ['name'], + 'by-type-and-name': ['type', 'name'], + 'by-type': ['type']} + + +class SoledadDocWrapperTestCase(SoledadTestMixin): + """ + Tests for the SoledadDocumentWrapper. + """ + def assert_num_docs(self, num, docs): + self.assertEqual(len(docs[1]), num) + + def test_create_single(self): + + store = self._soledad + wrapper = CounterWrapper() + + def assert_one_doc(docs): + self.assertEqual(docs[0], 1) + + d = wrapper.create(store) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(assert_one_doc) + return d + + def test_create_many(self): + + store = self._soledad + w1 = CounterWrapper() + w2 = CounterWrapper(counter=1) + w3 = CounterWrapper(counter=2) + w4 = CounterWrapper(counter=3) + w5 = CounterWrapper(counter=4) + + d1 = [w1.create(store), + w2.create(store), + w3.create(store), + w4.create(store), + w5.create(store)] + + d = defer.gatherResults(d1) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 5)) + return d + + def test_multiple_updates(self): + + store = self._soledad + wrapper = CounterWrapper(counter=1) + MAX = 100 + + def assert_doc_id(doc): + self.assertTrue(wrapper._doc_id is not None) + return doc + + def assert_counter_initial_ok(doc): + self.assertEqual(wrapper.counter, 1) + + def increment_counter(ignored): + d1 = [] + + def record_revision(revision): + rev = int(revision.split(':')[1]) + self.results.append(rev) + + for i in list(range(MAX)): + wrapper.counter += 1 + wrapper.flag = i % 2 == 0 + d = wrapper.update(store) + d.addCallback(record_revision) + d1.append(d) + + return defer.gatherResults(d1) + + def assert_counter_final_ok(doc): + self.assertEqual(doc.content['counter'], MAX + 1) + self.assertEqual(doc.content['flag'], False) + + def assert_results_ordered_list(ignored): + self.assertEqual(self.results, sorted(range(2, MAX + 2))) + + d = wrapper.create(store) + d.addCallback(assert_doc_id) + d.addCallback(assert_counter_initial_ok) + d.addCallback(increment_counter) + d.addCallback(lambda _: store.get_doc(wrapper._doc_id)) + d.addCallback(assert_counter_final_ok) + d.addCallback(assert_results_ordered_list) + return d + + def test_delete(self): + adaptor = TestAdaptor() + store = self._soledad + + wrapper_list = [] + + def get_or_create_bob(ignored): + def add_to_list(wrapper): + wrapper_list.append(wrapper) + return wrapper + wrapper = CharacterWrapper.get_or_create( + store, 'by-name', 'bob') + wrapper.addCallback(add_to_list) + return wrapper + + def delete_bob(ignored): + wrapper = wrapper_list[0] + return wrapper.delete(store) + + d = adaptor.initialize_store(store) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 0)) + + # this should create bob document + d.addCallback(get_or_create_bob) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 1)) + + d.addCallback(delete_bob) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 0)) + return d + + def test_get_or_create(self): + adaptor = TestAdaptor() + store = self._soledad + + def get_or_create_bob(ignored): + wrapper = CharacterWrapper.get_or_create( + store, 'by-name', 'bob') + return wrapper + + d = adaptor.initialize_store(store) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 0)) + + # this should create bob document + d.addCallback(get_or_create_bob) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 1)) + + # this should get us bob document + d.addCallback(get_or_create_bob) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 1)) + return d + + def test_get_or_create_multi_index(self): + adaptor = TestAdaptor() + store = self._soledad + + def get_or_create_actor_harry(ignored): + wrapper = ActorWrapper.get_or_create( + store, 'by-type-and-name', 'harrison') + return wrapper + + def create_director_harry(ignored): + wrapper = ActorWrapper(name="harrison", type="director") + return wrapper.create(store) + + d = adaptor.initialize_store(store) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 0)) + + # this should create harrison document + d.addCallback(get_or_create_actor_harry) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 1)) + + # this should get us harrison document + d.addCallback(get_or_create_actor_harry) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 1)) + + # create director harry, should create new doc + d.addCallback(create_director_harry) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 2)) + + # this should get us harrison document, still 2 docs + d.addCallback(get_or_create_actor_harry) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 2)) + return d + + def test_get_all(self): + adaptor = TestAdaptor() + store = self._soledad + actor_names = ["harry", "carrie", "mark", "david"] + + def create_some_actors(ignored): + deferreds = [] + for name in actor_names: + dw = ActorWrapper.get_or_create( + store, 'by-type-and-name', name) + deferreds.append(dw) + return defer.gatherResults(deferreds) + + d = adaptor.initialize_store(store) + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 0)) + + d.addCallback(create_some_actors) + + d.addCallback(lambda _: store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 4)) + + def assert_actor_list_is_expected(res): + got = set([actor.name for actor in res]) + expected = set(actor_names) + self.assertEqual(got, expected) + + d.addCallback(lambda _: ActorWrapper.get_all(store)) + d.addCallback(assert_actor_list_is_expected) + return d + +HERE = os.path.split(os.path.abspath(__file__))[0] + + +class TestMessageClass(object): + def __init__(self, wrapper, uid): + self.wrapper = wrapper + self.uid = uid + + def get_wrapper(self): + return self.wrapper + + +class SoledadMailAdaptorTestCase(SoledadTestMixin): + """ + Tests for the SoledadMailAdaptor. + """ + + def get_adaptor(self): + adaptor = SoledadMailAdaptor() + adaptor.store = self._soledad + return adaptor + + def assert_num_docs(self, num, docs): + self.assertEqual(len(docs[1]), num) + + def test_mail_adaptor_init(self): + adaptor = self.get_adaptor() + self.assertTrue(isinstance(adaptor.indexes, dict)) + self.assertTrue(len(adaptor.indexes) != 0) + + # Messages + + def test_get_msg_from_string(self): + adaptor = self.get_adaptor() + + with open(os.path.join(HERE, "rfc822.message")) as f: + raw = f.read() + + msg = adaptor.get_msg_from_string(TestMessageClass, raw) + + chash = ("D27B2771C0DCCDCB468EE65A4540438" + "09DBD11588E87E951545BE0CBC321C308") + phash = ("64934534C1C80E0D4FA04BE1CCBA104" + "F07BCA5F469C86E2C0ABE1D41310B7299") + subject = ("[Twisted-commits] rebuild now works on " + "python versions from 2.2.0 and up.") + self.assertTrue(msg.wrapper.fdoc is not None) + self.assertTrue(msg.wrapper.hdoc is not None) + self.assertTrue(msg.wrapper.cdocs is not None) + self.assertEquals(len(msg.wrapper.cdocs), 1) + self.assertEquals(msg.wrapper.fdoc.chash, chash) + self.assertEquals(msg.wrapper.fdoc.size, 3837) + self.assertEquals(msg.wrapper.hdoc.chash, chash) + self.assertEqual(dict(msg.wrapper.hdoc.headers)['Subject'], + subject) + self.assertEqual(msg.wrapper.hdoc.subject, subject) + self.assertEqual(msg.wrapper.cdocs[1].phash, phash) + + def test_get_msg_from_string_multipart(self): + msg = MIMEMultipart() + msg['Subject'] = 'Test multipart mail' + msg.attach(MIMEText(u'a utf8 message', _charset='utf-8')) + adaptor = self.get_adaptor() + + msg = adaptor.get_msg_from_string(TestMessageClass, msg.as_string()) + + self.assertEqual( + 'base64', msg.wrapper.cdocs[1].content_transfer_encoding) + self.assertEqual( + 'text/plain; charset="utf-8"', msg.wrapper.cdocs[1].content_type) + self.assertEqual( + 'YSB1dGY4IG1lc3NhZ2U=\n', msg.wrapper.cdocs[1].raw) + + def test_get_msg_from_docs(self): + adaptor = self.get_adaptor() + mdoc = dict( + fdoc="F-Foobox-deadbeef", + hdoc="H-deadbeef", + cdocs=["C-deadabad"]) + fdoc = dict( + mbox_uuid="Foobox", + flags=('\Seen', '\Nice'), + tags=('Personal', 'TODO'), + seen=False, deleted=False, + recent=False, multi=False) + hdoc = dict( + chash="deadbeef", + subject="Test Msg") + cdocs = { + 1: dict( + raw='This is a test message')} + + msg = adaptor.get_msg_from_docs( + TestMessageClass, mdoc, fdoc, hdoc, cdocs=cdocs) + self.assertEqual(msg.wrapper.fdoc.flags, + ('\Seen', '\Nice')) + self.assertEqual(msg.wrapper.fdoc.tags, + ('Personal', 'TODO')) + self.assertEqual(msg.wrapper.fdoc.mbox_uuid, "Foobox") + self.assertEqual(msg.wrapper.hdoc.multi, False) + self.assertEqual(msg.wrapper.hdoc.subject, + "Test Msg") + self.assertEqual(msg.wrapper.cdocs[1].raw, + "This is a test message") + + def test_get_msg_from_metamsg_doc_id(self): + # TODO complete-me! + pass + + test_get_msg_from_metamsg_doc_id.skip = "Not yet implemented" + + def test_create_msg(self): + adaptor = self.get_adaptor() + + with open(os.path.join(HERE, "rfc822.message")) as f: + raw = f.read() + msg = adaptor.get_msg_from_string(TestMessageClass, raw) + + def check_create_result(created): + # that's one mdoc, one hdoc, one fdoc, one cdoc + self.assertEqual(len(created), 4) + for doc in created: + self.assertTrue( + doc.__class__.__name__, + "SoledadDocument") + + d = adaptor.create_msg(adaptor.store, msg) + d.addCallback(check_create_result) + return d + + def test_update_msg(self): + adaptor = self.get_adaptor() + with open(os.path.join(HERE, "rfc822.message")) as f: + raw = f.read() + + def assert_msg_has_doc_id(ignored, msg): + wrapper = msg.get_wrapper() + self.assertTrue(wrapper.fdoc.doc_id is not None) + + def assert_msg_has_no_flags(ignored, msg): + wrapper = msg.get_wrapper() + self.assertEqual(wrapper.fdoc.flags, []) + + def update_msg_flags(ignored, msg): + wrapper = msg.get_wrapper() + wrapper.fdoc.flags = ["This", "That"] + return wrapper.update(adaptor.store) + + def assert_msg_has_flags(ignored, msg): + wrapper = msg.get_wrapper() + self.assertEqual(wrapper.fdoc.flags, ["This", "That"]) + + def get_fdoc_and_check_flags(ignored): + def assert_doc_has_flags(doc): + self.assertEqual(doc.content['flags'], + ['This', 'That']) + wrapper = msg.get_wrapper() + d = adaptor.store.get_doc(wrapper.fdoc.doc_id) + d.addCallback(assert_doc_has_flags) + return d + + msg = adaptor.get_msg_from_string(TestMessageClass, raw) + d = adaptor.create_msg(adaptor.store, msg) + d.addCallback(lambda _: adaptor.store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 4)) + d.addCallback(assert_msg_has_doc_id, msg) + d.addCallback(assert_msg_has_no_flags, msg) + + # update it! + d.addCallback(update_msg_flags, msg) + d.addCallback(assert_msg_has_flags, msg) + d.addCallback(get_fdoc_and_check_flags) + return d + + # Mailboxes + + def test_get_or_create_mbox(self): + adaptor = self.get_adaptor() + + def get_or_create_mbox(ignored): + d = adaptor.get_or_create_mbox(adaptor.store, "Trash") + return d + + def assert_good_doc(mbox_wrapper): + self.assertTrue(mbox_wrapper.doc_id is not None) + self.assertEqual(mbox_wrapper.mbox, "Trash") + self.assertEqual(mbox_wrapper.type, "mbox") + self.assertEqual(mbox_wrapper.closed, False) + self.assertEqual(mbox_wrapper.subscribed, False) + + d = adaptor.initialize_store(adaptor.store) + d.addCallback(get_or_create_mbox) + d.addCallback(assert_good_doc) + d.addCallback(lambda _: adaptor.store.get_all_docs()) + d.addCallback(partial(self.assert_num_docs, 1)) + return d + + def test_update_mbox(self): + adaptor = self.get_adaptor() + + wrapper_ref = [] + + def get_or_create_mbox(ignored): + d = adaptor.get_or_create_mbox(adaptor.store, "Trash") + return d + + def update_wrapper(wrapper, wrapper_ref): + wrapper_ref.append(wrapper) + wrapper.subscribed = True + wrapper.closed = True + d = adaptor.update_mbox(adaptor.store, wrapper) + return d + + def get_mbox_doc_and_check_flags(res, wrapper_ref): + wrapper = wrapper_ref[0] + + def assert_doc_has_flags(doc): + self.assertEqual(doc.content['subscribed'], True) + self.assertEqual(doc.content['closed'], True) + d = adaptor.store.get_doc(wrapper.doc_id) + d.addCallback(assert_doc_has_flags) + return d + + d = adaptor.initialize_store(adaptor.store) + d.addCallback(get_or_create_mbox) + d.addCallback(update_wrapper, wrapper_ref) + d.addCallback(get_mbox_doc_and_check_flags, wrapper_ref) + return d + + def test_get_all_mboxes(self): + adaptor = self.get_adaptor() + mboxes = ("Sent", "Trash", "Personal", "ListFoo") + + def get_or_create_mboxes(ignored): + d = [] + for mbox in mboxes: + d.append(adaptor.get_or_create_mbox( + adaptor.store, mbox)) + return defer.gatherResults(d) + + def get_all_mboxes(ignored): + return adaptor.get_all_mboxes(adaptor.store) + + def assert_mboxes_match_expected(wrappers): + names = [m.mbox for m in wrappers] + self.assertEqual(set(names), set(mboxes)) + + d = adaptor.initialize_store(adaptor.store) + d.addCallback(get_or_create_mboxes) + d.addCallback(get_all_mboxes) + d.addCallback(assert_mboxes_match_expected) + return d diff --git a/src/leap/mail/constants.py b/src/leap/mail/constants.py new file mode 100644 index 0000000..4ef42cb --- /dev/null +++ b/src/leap/mail/constants.py @@ -0,0 +1,52 @@ +# *- coding: utf-8 -*- +# constants.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Constants for leap.mail. +""" + +INBOX_NAME = "INBOX" + +# Regular expressions for the identifiers to be used in the Message Data Layer. + +METAMSGID = "M-{mbox_uuid}-{chash}" +METAMSGID_RE = "M\-{mbox_uuid}\-[0-9a-fA-F]+" +METAMSGID_CHASH_RE = "M\-\w+\-([0-9a-fA-F]+)" +METAMSGID_MBOX_RE = "M\-(\w+)\-[0-9a-fA-F]+" + +FDOCID = "F-{mbox_uuid}-{chash}" +FDOCID_RE = "F\-{mbox_uuid}\-[0-9a-fA-F]+" +FDOCID_CHASH_RE = "F\-\w+\-([0-9a-fA-F]+)" + +HDOCID = "H-{chash}" +HDOCID_RE = "H\-[0-9a-fA-F]+" + +CDOCID = "C-{phash}" +CDOCID_RE = "C\-[0-9a-fA-F]+" + + +class MessageFlags(object): + """ + Flags used in Message and Mailbox. + """ + SEEN_FLAG = "\\Seen" + RECENT_FLAG = "\\Recent" + ANSWERED_FLAG = "\\Answered" + FLAGGED_FLAG = "\\Flagged" # yo dawg + DELETED_FLAG = "\\Deleted" + DRAFT_FLAG = "\\Draft" + NOSELECT_FLAG = "\\Noselect" + LIST_FLAG = "List" # is this OK? (no \. ie, no system flag) diff --git a/src/leap/mail/imap/account.py b/src/leap/mail/imap/account.py index 70ed13b..cc56fff 100644 --- a/src/leap/mail/imap/account.py +++ b/src/leap/mail/imap/account.py @@ -1,6 +1,6 @@ # -*- coding: utf-8 -*- # account.py -# Copyright (C) 2013 LEAP +# Copyright (C) 2013-2015 LEAP # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -15,22 +15,23 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """ -Soledad Backed Account. +Soledad Backed IMAP Account. """ -import copy import logging import os import time +from functools import partial +from twisted.internet import defer from twisted.mail import imap4 from twisted.python import log from zope.interface import implements from leap.common.check import leap_assert, leap_assert_type -from leap.mail.imap.index import IndexedDB -from leap.mail.imap.fields import WithMsgFields -from leap.mail.imap.parser import MBoxParser -from leap.mail.imap.mailbox import SoledadMailbox + +from leap.mail.constants import MessageFlags +from leap.mail.mail import Account +from leap.mail.imap.mailbox import IMAPMailbox, normalize_mailbox from leap.soledad.client import Soledad logger = logging.getLogger(__name__) @@ -38,7 +39,6 @@ logger = logging.getLogger(__name__) PROFILE_CMD = os.environ.get('LEAP_PROFILE_IMAPCMD', False) if PROFILE_CMD: - def _debugProfiling(result, cmdname, start): took = (time.time() - start) * 1000 log.msg("CMD " + cmdname + " TOOK: " + str(took) + " msec") @@ -46,107 +46,72 @@ if PROFILE_CMD: ####################################### -# Soledad Account +# Soledad IMAP Account ####################################### - -# TODO change name to LeapIMAPAccount, since we're using -# the memstore. -# IndexedDB should also not be here anymore. - -class SoledadBackedAccount(WithMsgFields, IndexedDB, MBoxParser): +class IMAPAccount(object): """ - An implementation of IAccount and INamespacePresenteer + An implementation of an imap4 Account that is backed by Soledad Encrypted Documents. """ implements(imap4.IAccount, imap4.INamespacePresenter) - _soledad = None selected = None - closed = False - def __init__(self, account_name, soledad, memstore=None): + def __init__(self, user_id, store, d=defer.Deferred()): """ - Creates a SoledadAccountIndex that keeps track of the mailboxes - and subscriptions handled by this account. - - :param acct_name: The name of the account (user id). - :type acct_name: str - - :param soledad: a Soledad instance. - :type soledad: Soledad - :param memstore: a MemoryStore instance. - :type memstore: MemoryStore - """ - leap_assert(soledad, "Need a soledad instance to initialize") - leap_assert_type(soledad, Soledad) - - # XXX SHOULD assert too that the name matches the user/uuid with which - # soledad has been initialized. - - # XXX ??? why is this parsing mailbox name??? it's account... - # userid? homogenize. - self._account_name = self._parse_mailbox_name(account_name) - self._soledad = soledad - self._memstore = memstore - - self.__mailboxes = set([]) - - self.initialize_db() + Keeps track of the mailboxes and subscriptions handled by this account. - # every user should have the right to an inbox folder - # at least, so let's make one! - self._load_mailboxes() + The account is not ready to be used, since the store needs to be + initialized and we also need to do some initialization routines. + You can either pass a deferred to this constructor, or use + `callWhenReady` method. - if not self.mailboxes: - self.addMailbox(self.INBOX_NAME) + :param user_id: The name of the account (user id, in the form + user@provider). + :type user_id: str - def _get_empty_mailbox(self): - """ - Returns an empty mailbox. + :param store: a Soledad instance. + :type store: Soledad - :rtype: dict + :param d: a deferred that will be fired with this IMAPAccount instance + when the account is ready to be used. + :type d: defer.Deferred """ - return copy.deepcopy(self.EMPTY_MBOX) + leap_assert(store, "Need a store instance to initialize") + leap_assert_type(store, Soledad) - def _get_mailbox_by_name(self, name): - """ - Return an mbox document by name. + # TODO assert too that the name matches the user/uuid with which + # soledad has been initialized. Although afaik soledad doesn't know + # about user_id, only the client backend. - :param name: the name of the mailbox - :type name: str + self.user_id = user_id + self.account = Account(store, ready_cb=lambda: d.callback(self)) - :rtype: SoledadDocument + def end_session(self): """ - # XXX use soledadstore instead ...; - doc = self._soledad.get_from_index( - self.TYPE_MBOX_IDX, self.MBOX_KEY, - self._parse_mailbox_name(name)) - return doc[0] if doc else None + Used to mark when the session has closed, and we should not allow any + more commands from the client. - @property - def mailboxes(self): - """ - A list of the current mailboxes for this account. - :rtype: set + Right now it's called from the client backend. """ - return sorted(self.__mailboxes) - - def _load_mailboxes(self): - self.__mailboxes.update( - [doc.content[self.MBOX_KEY] - for doc in self._soledad.get_from_index( - self.TYPE_IDX, self.MBOX_KEY)]) + # TODO move its use to the service shutdown in leap.mail + self.account.end_session() @property - def subscriptions(self): + def session_ended(self): + return self.account.session_ended + + def callWhenReady(self, cb, *args, **kw): """ - A list of the current subscriptions for this account. + Execute callback when the account is ready to be used. + XXX note that this callback will be called with a first ignored + parameter. """ - return [doc.content[self.MBOX_KEY] - for doc in self._soledad.get_from_index( - self.TYPE_SUBS_IDX, self.MBOX_KEY, '1')] + # TODO ignore the first parameter and change tests accordingly. + d = self.account.callWhenReady(cb, *args, **kw) + return d def getMailbox(self, name): """ @@ -155,16 +120,27 @@ class SoledadBackedAccount(WithMsgFields, IndexedDB, MBoxParser): :param name: name of the mailbox :type name: str - :returns: a a SoledadMailbox instance - :rtype: SoledadMailbox + :returns: an IMAPMailbox instance + :rtype: IMAPMailbox """ - name = self._parse_mailbox_name(name) + name = normalize_mailbox(name) - if name not in self.mailboxes: - raise imap4.MailboxException("No such mailbox: %r" % name) + def check_it_exists(mailboxes): + if name not in mailboxes: + raise imap4.MailboxException("No such mailbox: %r" % name) + return True - return SoledadMailbox(name, self._soledad, - memstore=self._memstore) + d = self.account.list_all_mailbox_names() + d.addCallback(check_it_exists) + d.addCallback(lambda _: self.account.get_collection_by_mailbox(name)) + d.addCallback(self._return_mailbox_from_collection) + return d + + def _return_mailbox_from_collection(self, collection, readwrite=1): + if collection is None: + return None + mbox = IMAPMailbox(collection, rw=readwrite) + return mbox # # IAccount @@ -182,61 +158,76 @@ class SoledadBackedAccount(WithMsgFields, IndexedDB, MBoxParser): one is provided. :type creation_ts: int - :returns: True if successful - :rtype: bool + :returns: a Deferred that will contain the document if successful. + :rtype: defer.Deferred """ - name = self._parse_mailbox_name(name) + name = normalize_mailbox(name) + # FIXME --- return failure instead of AssertionError + # See AccountTestCase... leap_assert(name, "Need a mailbox name to create a mailbox") - if name in self.mailboxes: - raise imap4.MailboxCollision(repr(name)) - - if creation_ts is None: - # by default, we pass an int value - # taken from the current time - # we make sure to take enough decimals to get a unique - # mailbox-uidvalidity. - creation_ts = int(time.time() * 10E2) + def check_it_does_not_exist(mailboxes): + if name in mailboxes: + raise imap4.MailboxCollision, repr(name) + return mailboxes - mbox = self._get_empty_mailbox() - mbox[self.MBOX_KEY] = name - mbox[self.CREATED_KEY] = creation_ts - - doc = self._soledad.create_doc(mbox) - self._load_mailboxes() - return bool(doc) + d = self.account.list_all_mailbox_names() + d.addCallback(check_it_does_not_exist) + d.addCallback(lambda _: self.account.add_mailbox( + name, creation_ts=creation_ts)) + d.addCallback(lambda _: self.account.get_collection_by_mailbox(name)) + d.addCallback(self._return_mailbox_from_collection) + return d def create(self, pathspec): """ Create a new mailbox from the given hierarchical name. - :param pathspec: The full hierarchical name of a new mailbox to create. - If any of the inferior hierarchical names to this one - do not exist, they are created as well. + :param pathspec: + The full hierarchical name of a new mailbox to create. + If any of the inferior hierarchical names to this one + do not exist, they are created as well. :type pathspec: str - :return: A true value if the creation succeeds. - :rtype: bool + :return: + A deferred that will fire with a true value if the creation + succeeds. The deferred might fail with a MailboxException + if the mailbox cannot be added. + :rtype: Deferred - :raise MailboxException: Raised if this mailbox cannot be added. """ - # TODO raise MailboxException - paths = filter( - None, - self._parse_mailbox_name(pathspec).split('/')) - for accum in range(1, len(paths)): - try: - self.addMailbox('/'.join(paths[:accum])) - except imap4.MailboxCollision: - pass - try: - self.addMailbox('/'.join(paths)) - except imap4.MailboxCollision: + def pass_on_collision(failure): + failure.trap(imap4.MailboxCollision) + return True + + def handle_collision(failure): + failure.trap(imap4.MailboxCollision) if not pathspec.endswith('/'): - return False - self._load_mailboxes() - return True + return defer.succeed(False) + else: + return defer.succeed(True) + + def all_good(result): + return all(result) + + paths = filter(None, normalize_mailbox(pathspec).split('/')) + subs = [] + sep = '/' + + for accum in range(1, len(paths)): + partial_path = sep.join(paths[:accum]) + d = self.addMailbox(partial_path) + d.addErrback(pass_on_collision) + subs.append(d) + + df = self.addMailbox(sep.join(paths)) + df.addErrback(handle_collision) + subs.append(df) + + d1 = defer.gatherResults(subs) + d1.addCallback(all_good) + return d1 def select(self, name, readwrite=1): """ @@ -248,65 +239,87 @@ class SoledadBackedAccount(WithMsgFields, IndexedDB, MBoxParser): :param readwrite: 1 for readwrite permissions. :type readwrite: int - :rtype: SoledadMailbox + :rtype: IMAPMailbox """ - if PROFILE_CMD: - start = time.time() + name = normalize_mailbox(name) - name = self._parse_mailbox_name(name) - if name not in self.mailboxes: - logger.warning("No such mailbox!") - return None - self.selected = name + def check_it_exists(mailboxes): + if name not in mailboxes: + logger.warning("SELECT: No such mailbox!") + return None + return name + + def set_selected(_): + self.selected = name - sm = SoledadMailbox( - name, self._soledad, self._memstore, readwrite) - if PROFILE_CMD: - _debugProfiling(None, "SELECT", start) - return sm + def get_collection(name): + if name is None: + return None + return self.account.get_collection_by_mailbox(name) + + d = self.account.list_all_mailbox_names() + d.addCallback(check_it_exists) + d.addCallback(get_collection) + d.addCallback(partial( + self._return_mailbox_from_collection, readwrite=readwrite)) + return d def delete(self, name, force=False): """ Deletes a mailbox. - Right now it does not purge the messages, but just removes the mailbox - name from the mailboxes list!!! - :param name: the mailbox to be deleted :type name: str - :param force: if True, it will not check for noselect flag or inferior - names. use with care. + :param force: + if True, it will not check for noselect flag or inferior + names. use with care. :type force: bool + :rtype: Deferred """ - name = self._parse_mailbox_name(name) + name = normalize_mailbox(name) + _mboxes = None + + def check_it_exists(mailboxes): + global _mboxes + _mboxes = mailboxes + if name not in mailboxes: + raise imap4.MailboxException("No such mailbox: %r" % name) - if name not in self.mailboxes: - raise imap4.MailboxException("No such mailbox: %r" % name) - mbox = self.getMailbox(name) + def get_mailbox(_): + return self.getMailbox(name) - if force is False: + def destroy_mailbox(mbox): + return mbox.destroy() + + def check_can_be_deleted(mbox): + global _mboxes # See if this box is flagged \Noselect - # XXX use mbox.flags instead? mbox_flags = mbox.getFlags() - if self.NOSELECT_FLAG in mbox_flags: + if MessageFlags.NOSELECT_FLAG in mbox_flags: # Check for hierarchically inferior mailboxes with this one # as part of their root. - for others in self.mailboxes: + for others in _mboxes: if others != name and others.startswith(name): - raise imap4.MailboxException, ( + raise imap4.MailboxException( "Hierarchically inferior mailboxes " "exist and \\Noselect is set") - self.__mailboxes.discard(name) - mbox.destroy() + return mbox - # XXX FIXME --- not honoring the inferior names... + d = self.account.list_all_mailbox_names() + d.addCallback(check_it_exists) + d.addCallback(get_mailbox) + if not force: + d.addCallback(check_can_be_deleted) + d.addCallback(destroy_mailbox) + return d + # FIXME --- not honoring the inferior names... # if there are no hierarchically inferior names, we will # delete it from our ken. + # XXX is this right? # if self._inferiorNames(name) > 1: - # ??! -- can this be rite? - # self._index.removeMailbox(name) + # self._index.removeMailbox(name) def rename(self, oldname, newname): """ @@ -318,27 +331,31 @@ class SoledadBackedAccount(WithMsgFields, IndexedDB, MBoxParser): :param newname: new name of the mailbox :type newname: str """ - oldname = self._parse_mailbox_name(oldname) - newname = self._parse_mailbox_name(newname) + oldname = normalize_mailbox(oldname) + newname = normalize_mailbox(newname) + + def rename_inferiors((inferiors, mailboxes)): + rename_deferreds = [] + inferiors = [ + (o, o.replace(oldname, newname, 1)) for o in inferiors] - if oldname not in self.mailboxes: - raise imap4.NoSuchMailbox(repr(oldname)) + for (old, new) in inferiors: + if new in mailboxes: + raise imap4.MailboxCollision(repr(new)) - inferiors = self._inferiorNames(oldname) - inferiors = [(o, o.replace(oldname, newname, 1)) for o in inferiors] + for (old, new) in inferiors: + d = self.account.rename_mailbox(old, new) + rename_deferreds.append(d) - for (old, new) in inferiors: - if new in self.mailboxes: - raise imap4.MailboxCollision(repr(new)) + d1 = defer.gatherResults(rename_deferreds, consumeErrors=True) + return d1 - for (old, new) in inferiors: - self._memstore.rename_fdocs_mailbox(old, new) - mbox = self._get_mailbox_by_name(old) - mbox.content[self.MBOX_KEY] = new - self.__mailboxes.discard(old) - self._soledad.put_doc(mbox) + d1 = self._inferiorNames(oldname) + d2 = self.account.list_all_mailbox_names() - self._load_mailboxes() + d = defer.gatherResults([d1, d2]) + d.addCallback(rename_inferiors) + return d def _inferiorNames(self, name): """ @@ -348,54 +365,87 @@ class SoledadBackedAccount(WithMsgFields, IndexedDB, MBoxParser): :rtype: list """ # XXX use wildcard query instead - inferiors = [] - for infname in self.mailboxes: - if infname.startswith(name): - inferiors.append(infname) - return inferiors + def filter_inferiors(mailboxes): + inferiors = [] + for infname in mailboxes: + if infname.startswith(name): + inferiors.append(infname) + return inferiors - def isSubscribed(self, name): + d = self.account.list_all_mailbox_names() + d.addCallback(filter_inferiors) + return d + + def listMailboxes(self, ref, wildcard): """ - Returns True if user is subscribed to this mailbox. + List the mailboxes. - :param name: the mailbox to be checked. - :type name: str + from rfc 3501: + returns a subset of names from the complete set + of all names available to the client. Zero or more untagged LIST + replies are returned, containing the name attributes, hierarchy + delimiter, and name. - :rtype: bool + :param ref: reference name + :type ref: str + + :param wildcard: mailbox name with possible wildcards + :type wildcard: str """ - mbox = self._get_mailbox_by_name(name) - return mbox.content.get('subscribed', False) + wildcard = imap4.wildcardToRegexp(wildcard, '/') + + def get_list(mboxes, mboxes_names): + return zip(mboxes_names, mboxes) + + def filter_inferiors(ref): + mboxes = [mbox for mbox in ref if wildcard.match(mbox)] + mbox_d = defer.gatherResults([self.getMailbox(m) for m in mboxes]) - def _set_subscription(self, name, value): + mbox_d.addCallback(get_list, mboxes) + return mbox_d + + d = self._inferiorNames(normalize_mailbox(ref)) + d.addCallback(filter_inferiors) + return d + + # + # The rest of the methods are specific for leap.mail.imap.account.Account + # + + def isSubscribed(self, name): """ - Sets the subscription value for a given mailbox + Returns True if user is subscribed to this mailbox. - :param name: the mailbox + :param name: the mailbox to be checked. :type name: str - :param value: the boolean value - :type value: bool + :rtype: Deferred (will fire with bool) """ - # maybe we should store subscriptions in another - # document... - if name not in self.mailboxes: - self.addMailbox(name) - mbox = self._get_mailbox_by_name(name) + name = normalize_mailbox(name) - if mbox: - mbox.content[self.SUBSCRIBED_KEY] = value - self._soledad.put_doc(mbox) + def get_subscribed(mbox): + return mbox.collection.get_mbox_attr("subscribed") + + d = self.getMailbox(name) + d.addCallback(get_subscribed) + return d def subscribe(self, name): """ - Subscribe to this mailbox + Subscribe to this mailbox if not already subscribed. :param name: name of the mailbox :type name: str + :rtype: Deferred """ - name = self._parse_mailbox_name(name) - if name not in self.subscriptions: - self._set_subscription(name, True) + name = normalize_mailbox(name) + + def set_subscribed(mbox): + return mbox.collection.set_mbox_attr("subscribed", True) + + d = self.getMailbox(name) + d.addCallback(set_subscribed) + return d def unsubscribe(self, name): """ @@ -403,34 +453,27 @@ class SoledadBackedAccount(WithMsgFields, IndexedDB, MBoxParser): :param name: name of the mailbox :type name: str + :rtype: Deferred """ - name = self._parse_mailbox_name(name) - if name not in self.subscriptions: - raise imap4.MailboxException( - "Not currently subscribed to %r" % name) - self._set_subscription(name, False) + # TODO should raise MailboxException if attempted to unsubscribe + # from a mailbox that is not currently subscribed. + # TODO factor out with subscribe method. + name = normalize_mailbox(name) - def listMailboxes(self, ref, wildcard): - """ - List the mailboxes. + def set_unsubscribed(mbox): + return mbox.collection.set_mbox_attr("subscribed", False) - from rfc 3501: - returns a subset of names from the complete set - of all names available to the client. Zero or more untagged LIST - replies are returned, containing the name attributes, hierarchy - delimiter, and name. + d = self.getMailbox(name) + d.addCallback(set_unsubscribed) + return d - :param ref: reference name - :type ref: str + def getSubscriptions(self): + def get_subscribed(mailboxes): + return [x.mbox for x in mailboxes if x.subscribed] - :param wildcard: mailbox name with possible wildcards - :type wildcard: str - """ - # XXX use wildcard in index query - ref = self._inferiorNames( - self._parse_mailbox_name(ref)) - wildcard = imap4.wildcardToRegexp(wildcard, '/') - return [(i, self.getMailbox(i)) for i in ref if wildcard.match(i)] + d = self.account.get_all_mailboxes() + d.addCallback(get_subscribed) + return d # # INamespacePresenter @@ -445,22 +488,8 @@ class SoledadBackedAccount(WithMsgFields, IndexedDB, MBoxParser): def getOtherNamespaces(self): return None - # extra, for convenience - - def deleteAllMessages(self, iknowhatiamdoing=False): - """ - Deletes all messages from all mailboxes. - Danger! high voltage! - - :param iknowhatiamdoing: confirmation parameter, needs to be True - to proceed. - """ - if iknowhatiamdoing is True: - for mbox in self.mailboxes: - self.delete(mbox, force=True) - def __repr__(self): """ Representation string for this object. """ - return "<SoledadBackedAccount (%s)>" % self._account_name + return "<IMAPAccount (%s)>" % self.user_id diff --git a/src/leap/mail/imap/fetch.py b/src/leap/mail/imap/fetch.py deleted file mode 100644 index 0a97752..0000000 --- a/src/leap/mail/imap/fetch.py +++ /dev/null @@ -1,655 +0,0 @@ -# -*- coding: utf-8 -*- -# fetch.py -# Copyright (C) 2013 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -""" -Incoming mail fetcher. -""" -import copy -import logging -import threading -import time -import sys -import traceback -import warnings - -from email.parser import Parser -from email.generator import Generator -from email.utils import parseaddr -from StringIO import StringIO - -from twisted.python import log -from twisted.internet import defer -from twisted.internet.task import LoopingCall -from twisted.internet.task import deferLater -from u1db import errors as u1db_errors -from zope.proxy import sameProxiedObjects - -from leap.common import events as leap_events -from leap.common.check import leap_assert, leap_assert_type -from leap.common.events.events_pb2 import IMAP_FETCHED_INCOMING -from leap.common.events.events_pb2 import IMAP_MSG_PROCESSING -from leap.common.events.events_pb2 import IMAP_MSG_DECRYPTED -from leap.common.events.events_pb2 import IMAP_MSG_SAVED_LOCALLY -from leap.common.events.events_pb2 import IMAP_MSG_DELETED_INCOMING -from leap.common.events.events_pb2 import IMAP_UNREAD_MAIL -from leap.common.events.events_pb2 import SOLEDAD_INVALID_AUTH_TOKEN -from leap.common.mail import get_email_charset -from leap.keymanager import errors as keymanager_errors -from leap.keymanager.openpgp import OpenPGPKey -from leap.mail.decorators import deferred_to_thread -from leap.mail.imap.fields import fields -from leap.mail.utils import json_loads, empty, first -from leap.soledad.client import Soledad -from leap.soledad.common.crypto import ENC_SCHEME_KEY, ENC_JSON_KEY -from leap.soledad.common.errors import InvalidAuthTokenError - - -logger = logging.getLogger(__name__) - -MULTIPART_ENCRYPTED = "multipart/encrypted" -MULTIPART_SIGNED = "multipart/signed" -PGP_BEGIN = "-----BEGIN PGP MESSAGE-----" -PGP_END = "-----END PGP MESSAGE-----" - - -class MalformedMessage(Exception): - """ - Raised when a given message is not well formed. - """ - pass - - -class LeapIncomingMail(object): - """ - Fetches and process mail from the incoming pool. - - This object has public methods start_loop and stop that will - actually initiate a LoopingCall with check_period recurrency. - The LoopingCall itself will invoke the fetch method each time - that the check_period expires. - - This loop will sync the soledad db with the remote server and - process all the documents found tagged as incoming mail. - """ - - RECENT_FLAG = "\\Recent" - CONTENT_KEY = "content" - - LEAP_SIGNATURE_HEADER = 'X-Leap-Signature' - """ - Header added to messages when they are decrypted by the IMAP fetcher, - which states the validity of an eventual signature that might be included - in the encrypted blob. - """ - LEAP_SIGNATURE_VALID = 'valid' - LEAP_SIGNATURE_INVALID = 'invalid' - LEAP_SIGNATURE_COULD_NOT_VERIFY = 'could not verify' - - fetching_lock = threading.Lock() - - def __init__(self, keymanager, soledad, imap_account, - check_period, userid): - - """ - Initialize LeapIncomingMail.. - - :param keymanager: a keymanager instance - :type keymanager: keymanager.KeyManager - - :param soledad: a soledad instance - :type soledad: Soledad - - :param imap_account: the account to fetch periodically - :type imap_account: SoledadBackedAccount - - :param check_period: the period to fetch new mail, in seconds. - :type check_period: int - """ - - leap_assert(keymanager, "need a keymanager to initialize") - leap_assert_type(soledad, Soledad) - leap_assert(check_period, "need a period to check incoming mail") - leap_assert_type(check_period, int) - leap_assert(userid, "need a userid to initialize") - - self._keymanager = keymanager - self._soledad = soledad - self.imapAccount = imap_account - self._inbox = self.imapAccount.getMailbox('inbox') - self._userid = userid - - self._loop = None - self._check_period = check_period - - # initialize a mail parser only once - self._parser = Parser() - - @property - def _pkey(self): - if sameProxiedObjects(self._keymanager, None): - logger.warning('tried to get key, but null keymanager found') - return None - return self._keymanager.get_key(self._userid, OpenPGPKey, private=True) - - # - # Public API: fetch, start_loop, stop. - # - - def fetch(self): - """ - Fetch incoming mail, to be called periodically. - - Calls a deferred that will execute the fetch callback - in a separate thread - """ - def syncSoledadCallback(result): - # FIXME this needs a matching change in mx!!! - # --> need to add ERROR_DECRYPTING_KEY = False - # as default. - try: - doclist = self._soledad.get_from_index( - fields.JUST_MAIL_IDX, "*", "0") - except u1db_errors.InvalidGlobbing: - # It looks like we are a dealing with an outdated - # mx. Fallback to the version of the index - warnings.warn("JUST_MAIL_COMPAT_IDX will be deprecated!", - DeprecationWarning) - doclist = self._soledad.get_from_index( - fields.JUST_MAIL_COMPAT_IDX, "*") - self._process_doclist(doclist) - - logger.debug("fetching mail for: %s %s" % ( - self._soledad.uuid, self._userid)) - if not self.fetching_lock.locked(): - d1 = self._sync_soledad() - d = defer.gatherResults([d1], consumeErrors=True) - d.addCallbacks(syncSoledadCallback, self._errback) - d.addCallbacks(self._signal_fetch_to_ui, self._errback) - return d - else: - logger.debug("Already fetching mail.") - - def start_loop(self): - """ - Starts a loop to fetch mail. - """ - if self._loop is None: - self._loop = LoopingCall(self.fetch) - self._loop.start(self._check_period) - else: - logger.warning("Tried to start an already running fetching loop.") - - def stop(self): - # XXX change the name to stop_loop, for consistency. - """ - Stops the loop that fetches mail. - """ - if self._loop and self._loop.running is True: - self._loop.stop() - self._loop = None - - # - # Private methods. - # - - # synchronize incoming mail - - def _errback(self, failure): - logger.exception(failure.value) - traceback.print_tb(*sys.exc_info()) - - @deferred_to_thread - def _sync_soledad(self): - """ - Synchronize with remote soledad. - - :returns: a list of LeapDocuments, or None. - :rtype: iterable or None - """ - with self.fetching_lock: - try: - log.msg('FETCH: syncing soledad...') - self._soledad.sync() - log.msg('FETCH soledad SYNCED.') - except InvalidAuthTokenError: - # if the token is invalid, send an event so the GUI can - # disable mail and show an error message. - leap_events.signal(SOLEDAD_INVALID_AUTH_TOKEN) - - def _signal_fetch_to_ui(self, doclist): - """ - Send leap events to ui. - - :param doclist: iterable with msg documents. - :type doclist: iterable. - :returns: doclist - :rtype: iterable - """ - doclist = first(doclist) # gatherResults pass us a list - if doclist: - fetched_ts = time.mktime(time.gmtime()) - num_mails = len(doclist) if doclist is not None else 0 - if num_mails != 0: - log.msg("there are %s mails" % (num_mails,)) - leap_events.signal( - IMAP_FETCHED_INCOMING, str(num_mails), str(fetched_ts)) - return doclist - - def _signal_unread_to_ui(self, *args): - """ - Sends unread event to ui. - """ - leap_events.signal( - IMAP_UNREAD_MAIL, str(self._inbox.getUnseenCount())) - - # process incoming mail. - - def _process_doclist(self, doclist): - """ - Iterates through the doclist, checks if each doc - looks like a message, and yields a deferred that will decrypt and - process the message. - - :param doclist: iterable with msg documents. - :type doclist: iterable. - :returns: a list of deferreds for individual messages. - """ - log.msg('processing doclist') - if not doclist: - logger.debug("no docs found") - return - num_mails = len(doclist) - - for index, doc in enumerate(doclist): - logger.debug("processing doc %d of %d" % (index + 1, num_mails)) - leap_events.signal( - IMAP_MSG_PROCESSING, str(index), str(num_mails)) - - keys = doc.content.keys() - - # TODO Compatibility check with the index in pre-0.6 mx - # that does not write the ERROR_DECRYPTING_KEY - # This should be removed in 0.7 - - has_errors = doc.content.get(fields.ERROR_DECRYPTING_KEY, None) - if has_errors is None: - warnings.warn("JUST_MAIL_COMPAT_IDX will be deprecated!", - DeprecationWarning) - if has_errors: - logger.debug("skipping msg with decrypting errors...") - - if self._is_msg(keys) and not has_errors: - # Evaluating to bool of has_errors is intentional here. - # We don't mind at this point if it's None or False. - - # Ok, this looks like a legit msg, and with no errors. - # Let's process it! - - d1 = self._decrypt_doc(doc) - d = defer.gatherResults([d1], consumeErrors=True) - d.addCallbacks(self._add_message_locally, self._errback) - - # - # operations on individual messages - # - - @deferred_to_thread - def _decrypt_doc(self, doc): - """ - Decrypt the contents of a document. - - :param doc: A document containing an encrypted message. - :type doc: SoledadDocument - - :return: A tuple containing the document and the decrypted message. - :rtype: (SoledadDocument, str) - """ - log.msg('decrypting msg') - success = False - - try: - decrdata = self._keymanager.decrypt( - doc.content[ENC_JSON_KEY], - self._pkey) - success = True - except Exception as exc: - # XXX move this to errback !!! - logger.error("Error while decrypting msg: %r" % (exc,)) - decrdata = "" - leap_events.signal(IMAP_MSG_DECRYPTED, "1" if success else "0") - - data = self._process_decrypted_doc((doc, decrdata)) - return (doc, data) - - def _process_decrypted_doc(self, msgtuple): - """ - Process a document containing a succesfully decrypted message. - - :param msgtuple: a tuple consisting of a SoledadDocument - instance containing the incoming message - and data, the json-encoded, decrypted content of the - incoming message - :type msgtuple: (SoledadDocument, str) - :return: a SoledadDocument and the processed data. - :rtype: (doc, data) - """ - log.msg('processing decrypted doc') - doc, data = msgtuple - - from twisted.internet import reactor - - # XXX turn this into an errBack for each one of - # the deferreds that would process an individual document - try: - msg = json_loads(data) - except UnicodeError as exc: - logger.error("Error while decrypting %s" % (doc.doc_id,)) - logger.exception(exc) - - # we flag the message as "with decrypting errors", - # to avoid further decryption attempts during sync - # cycles until we're prepared to deal with that. - # What is the same, when Ivan deals with it... - # A new decrypting attempt event could be triggered by a - # future a library upgrade, or a cli flag to the client, - # we just `defer` that for now... :) - doc.content[fields.ERROR_DECRYPTING_KEY] = True - deferLater(reactor, 0, self._update_incoming_message, doc) - - # FIXME this is just a dirty hack to delay the proper - # deferred organization here... - # and remember, boys, do not do this at home. - return [] - - if not isinstance(msg, dict): - defer.returnValue(False) - if not msg.get(fields.INCOMING_KEY, False): - defer.returnValue(False) - - # ok, this is an incoming message - rawmsg = msg.get(self.CONTENT_KEY, None) - if not rawmsg: - return False - return self._maybe_decrypt_msg(rawmsg) - - @deferred_to_thread - def _update_incoming_message(self, doc): - """ - Do a put for a soledad document. This probably has been called only - in the case that we've needed to update the ERROR_DECRYPTING_KEY - flag in an incoming message, to get it out of the decrypting queue. - - :param doc: the SoledadDocument to update - :type doc: SoledadDocument - """ - log.msg("Updating SoledadDoc %s" % (doc.doc_id)) - self._soledad.put_doc(doc) - - @deferred_to_thread - def _delete_incoming_message(self, doc): - """ - Delete document. - - :param doc: the SoledadDocument to delete - :type doc: SoledadDocument - """ - log.msg("Deleting Incoming message: %s" % (doc.doc_id,)) - self._soledad.delete_doc(doc) - - def _maybe_decrypt_msg(self, data): - """ - Tries to decrypt a gpg message if data looks like one. - - :param data: the text to be decrypted. - :type data: str - :return: data, possibly descrypted. - :rtype: str - """ - leap_assert_type(data, str) - log.msg('maybe decrypting doc') - - # parse the original message - encoding = get_email_charset(data) - msg = self._parser.parsestr(data) - - # try to obtain sender public key - senderPubkey = None - fromHeader = msg.get('from', None) - if (fromHeader is not None - and (msg.get_content_type() == MULTIPART_ENCRYPTED - or msg.get_content_type() == MULTIPART_SIGNED)): - _, senderAddress = parseaddr(fromHeader) - try: - senderPubkey = self._keymanager.get_key_from_cache( - senderAddress, OpenPGPKey) - except keymanager_errors.KeyNotFound: - pass - - valid_sig = False # we will add a header saying if sig is valid - decrypt_multi = self._decrypt_multipart_encrypted_msg - decrypt_inline = self._maybe_decrypt_inline_encrypted_msg - - if msg.get_content_type() == MULTIPART_ENCRYPTED: - decrmsg, valid_sig = decrypt_multi( - msg, encoding, senderPubkey) - else: - decrmsg, valid_sig = decrypt_inline( - msg, encoding, senderPubkey) - - # add x-leap-signature header - if senderPubkey is None: - decrmsg.add_header( - self.LEAP_SIGNATURE_HEADER, - self.LEAP_SIGNATURE_COULD_NOT_VERIFY) - else: - decrmsg.add_header( - self.LEAP_SIGNATURE_HEADER, - self.LEAP_SIGNATURE_VALID if valid_sig else - self.LEAP_SIGNATURE_INVALID, - pubkey=senderPubkey.key_id) - - return decrmsg.as_string() - - def _decrypt_multipart_encrypted_msg(self, msg, encoding, senderPubkey): - """ - Decrypt a message with content-type 'multipart/encrypted'. - - :param msg: The original encrypted message. - :type msg: Message - :param encoding: The encoding of the email message. - :type encoding: str - :param senderPubkey: The key of the sender of the message. - :type senderPubkey: OpenPGPKey - - :return: A unitary tuple containing a decrypted message. - :rtype: (Message) - """ - log.msg('decrypting multipart encrypted msg') - msg = copy.deepcopy(msg) - self._msg_multipart_sanity_check(msg) - - # parse message and get encrypted content - pgpencmsg = msg.get_payload()[1] - encdata = pgpencmsg.get_payload() - - # decrypt or fail gracefully - try: - decrdata, valid_sig = self._decrypt_and_verify_data( - encdata, senderPubkey) - except keymanager_errors.DecryptError as e: - logger.warning('Failed to decrypt encrypted message (%s). ' - 'Storing message without modifications.' % str(e)) - # Bailing out! - return (msg, False) - - decrmsg = self._parser.parsestr(decrdata) - # remove original message's multipart/encrypted content-type - del(msg['content-type']) - - # replace headers back in original message - for hkey, hval in decrmsg.items(): - try: - # this will raise KeyError if header is not present - msg.replace_header(hkey, hval) - except KeyError: - msg[hkey] = hval - - # all ok, replace payload by unencrypted payload - msg.set_payload(decrmsg.get_payload()) - return (msg, valid_sig) - - def _maybe_decrypt_inline_encrypted_msg(self, origmsg, encoding, - senderPubkey): - """ - Possibly decrypt an inline OpenPGP encrypted message. - - :param origmsg: The original, possibly encrypted message. - :type origmsg: Message - :param encoding: The encoding of the email message. - :type encoding: str - :param senderPubkey: The key of the sender of the message. - :type senderPubkey: OpenPGPKey - - :return: A tuple containing a decrypted message and - a bool indicating whether the signature is valid. - :rtype: (Message, bool) - """ - log.msg('maybe decrypting inline encrypted msg') - # serialize the original message - buf = StringIO() - g = Generator(buf) - g.flatten(origmsg) - data = buf.getvalue() - # handle exactly one inline PGP message - valid_sig = False - if PGP_BEGIN in data: - begin = data.find(PGP_BEGIN) - end = data.find(PGP_END) - pgp_message = data[begin:end + len(PGP_END)] - try: - decrdata, valid_sig = self._decrypt_and_verify_data( - pgp_message, senderPubkey) - # replace encrypted by decrypted content - data = data.replace(pgp_message, decrdata) - except keymanager_errors.DecryptError: - logger.warning('Failed to decrypt potential inline encrypted ' - 'message. Storing message as is...') - - # if message is not encrypted, return raw data - if isinstance(data, unicode): - data = data.encode(encoding, 'replace') - return (self._parser.parsestr(data), valid_sig) - - def _decrypt_and_verify_data(self, data, senderPubkey): - """ - Decrypt C{data} using our private key and attempt to verify a - signature using C{senderPubkey}. - - :param data: The text to be decrypted. - :type data: unicode - :param senderPubkey: The public key of the sender of the message. - :type senderPubkey: OpenPGPKey - - :return: The decrypted data and a boolean stating whether the - signature could be verified. - :rtype: (str, bool) - - :raise DecryptError: Raised if failed to decrypt. - """ - log.msg('decrypting and verifying data') - valid_sig = False - try: - decrdata = self._keymanager.decrypt( - data, self._pkey, - verify=senderPubkey) - if senderPubkey is not None: - valid_sig = True - except keymanager_errors.InvalidSignature: - decrdata = self._keymanager.decrypt( - data, self._pkey) - return (decrdata, valid_sig) - - def _add_message_locally(self, result): - """ - Adds a message to local inbox and delete it from the incoming db - in soledad. - - # XXX this comes from a gatherresult... - :param msgtuple: a tuple consisting of a SoledadDocument - instance containing the incoming message - and data, the json-encoded, decrypted content of the - incoming message - :type msgtuple: (SoledadDocument, str) - """ - from twisted.internet import reactor - msgtuple = first(result) - - doc, data = msgtuple - log.msg('adding message %s to local db' % (doc.doc_id,)) - - if isinstance(data, list): - if empty(data): - return False - data = data[0] - - def msgSavedCallback(result): - if not empty(result): - leap_events.signal(IMAP_MSG_SAVED_LOCALLY) - deferLater(reactor, 0, self._delete_incoming_message, doc) - leap_events.signal(IMAP_MSG_DELETED_INCOMING) - - d = self._inbox.addMessage(data, flags=(self.RECENT_FLAG,), - notify_on_disk=True) - d.addCallbacks(msgSavedCallback, self._errback) - - # - # helpers - # - - def _msg_multipart_sanity_check(self, msg): - """ - Performs a sanity check against a multipart encrypted msg - - :param msg: The original encrypted message. - :type msg: Message - """ - # sanity check - payload = msg.get_payload() - if len(payload) != 2: - raise MalformedMessage( - 'Multipart/encrypted messages should have exactly 2 body ' - 'parts (instead of %d).' % len(payload)) - if payload[0].get_content_type() != 'application/pgp-encrypted': - raise MalformedMessage( - "Multipart/encrypted messages' first body part should " - "have content type equal to 'application/pgp-encrypted' " - "(instead of %s)." % payload[0].get_content_type()) - if payload[1].get_content_type() != 'application/octet-stream': - raise MalformedMessage( - "Multipart/encrypted messages' second body part should " - "have content type equal to 'octet-stream' (instead of " - "%s)." % payload[1].get_content_type()) - - def _is_msg(self, keys): - """ - Checks if the keys of a dictionary match the signature - of the document type we use for messages. - - :param keys: iterable containing the strings to match. - :type keys: iterable of strings. - :rtype: bool - """ - return ENC_SCHEME_KEY in keys and ENC_JSON_KEY in keys diff --git a/src/leap/mail/imap/fields.py b/src/leap/mail/imap/fields.py deleted file mode 100644 index 4576939..0000000 --- a/src/leap/mail/imap/fields.py +++ /dev/null @@ -1,173 +0,0 @@ -# -*- coding: utf-8 -*- -# fields.py -# Copyright (C) 2013 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -""" -Fields for Mailbox and Message. -""" -from leap.mail.imap.parser import MBoxParser - - -class WithMsgFields(object): - """ - Container class for class-attributes to be shared by - several message-related classes. - """ - # indexing - CONTENT_HASH_KEY = "chash" - PAYLOAD_HASH_KEY = "phash" - - # Internal representation of Message - - # flags doc - UID_KEY = "uid" - MBOX_KEY = "mbox" - SEEN_KEY = "seen" - DEL_KEY = "deleted" - RECENT_KEY = "recent" - FLAGS_KEY = "flags" - MULTIPART_KEY = "multi" - SIZE_KEY = "size" - - # headers - HEADERS_KEY = "headers" - DATE_KEY = "date" - SUBJECT_KEY = "subject" - PARTS_MAP_KEY = "part_map" - BODY_KEY = "body" # link to phash of body - MSGID_KEY = "msgid" - - # content - LINKED_FROM_KEY = "lkf" # XXX not implemented yet! - RAW_KEY = "raw" - CTYPE_KEY = "ctype" - - # Mailbox specific keys - CLOSED_KEY = "closed" - CREATED_KEY = "created" - SUBSCRIBED_KEY = "subscribed" - RW_KEY = "rw" - LAST_UID_KEY = "lastuid" - RECENTFLAGS_KEY = "rct" - HDOCS_SET_KEY = "hdocset" - - # Document Type, for indexing - TYPE_KEY = "type" - TYPE_MBOX_VAL = "mbox" - TYPE_FLAGS_VAL = "flags" - TYPE_HEADERS_VAL = "head" - TYPE_CONTENT_VAL = "cnt" - TYPE_RECENT_VAL = "rct" - TYPE_HDOCS_SET_VAL = "hdocset" - - INBOX_VAL = "inbox" - - # Flags in Mailbox and Message - SEEN_FLAG = "\\Seen" - RECENT_FLAG = "\\Recent" - ANSWERED_FLAG = "\\Answered" - FLAGGED_FLAG = "\\Flagged" # yo dawg - DELETED_FLAG = "\\Deleted" - DRAFT_FLAG = "\\Draft" - NOSELECT_FLAG = "\\Noselect" - LIST_FLAG = "List" # is this OK? (no \. ie, no system flag) - - # Fields in mail object - SUBJECT_FIELD = "Subject" - DATE_FIELD = "Date" - - # Index types - # -------------- - - TYPE_IDX = 'by-type' - TYPE_MBOX_IDX = 'by-type-and-mbox' - TYPE_MBOX_UID_IDX = 'by-type-and-mbox-and-uid' - TYPE_SUBS_IDX = 'by-type-and-subscribed' - TYPE_MSGID_IDX = 'by-type-and-message-id' - TYPE_MBOX_SEEN_IDX = 'by-type-and-mbox-and-seen' - TYPE_MBOX_RECT_IDX = 'by-type-and-mbox-and-recent' - TYPE_MBOX_DEL_IDX = 'by-type-and-mbox-and-deleted' - TYPE_MBOX_C_HASH_IDX = 'by-type-and-mbox-and-contenthash' - TYPE_C_HASH_IDX = 'by-type-and-contenthash' - TYPE_C_HASH_PART_IDX = 'by-type-and-contenthash-and-partnumber' - TYPE_P_HASH_IDX = 'by-type-and-payloadhash' - - # Tomas created the `recent and seen index`, but the semantic is not too - # correct since the recent flag is volatile. - TYPE_MBOX_RECT_SEEN_IDX = 'by-type-and-mbox-and-recent-and-seen' - - # Soledad index for incoming mail, without decrypting errors. - JUST_MAIL_IDX = "just-mail" - # XXX the backward-compatible index, will be deprecated at 0.7 - JUST_MAIL_COMPAT_IDX = "just-mail-compat" - - INCOMING_KEY = "incoming" - ERROR_DECRYPTING_KEY = "errdecr" - - KTYPE = TYPE_KEY - MBOX_VAL = TYPE_MBOX_VAL - CHASH_VAL = CONTENT_HASH_KEY - PHASH_VAL = PAYLOAD_HASH_KEY - - INDEXES = { - # generic - TYPE_IDX: [KTYPE], - TYPE_MBOX_IDX: [KTYPE, MBOX_VAL], - TYPE_MBOX_UID_IDX: [KTYPE, MBOX_VAL, UID_KEY], - - # mailboxes - TYPE_SUBS_IDX: [KTYPE, 'bool(subscribed)'], - - # fdocs uniqueness - TYPE_MBOX_C_HASH_IDX: [KTYPE, MBOX_VAL, CHASH_VAL], - - # headers doc - search by msgid. - TYPE_MSGID_IDX: [KTYPE, MSGID_KEY], - - # content, headers doc - TYPE_C_HASH_IDX: [KTYPE, CHASH_VAL], - - # attachment payload dedup - TYPE_P_HASH_IDX: [KTYPE, PHASH_VAL], - - # messages - TYPE_MBOX_SEEN_IDX: [KTYPE, MBOX_VAL, 'bool(seen)'], - TYPE_MBOX_RECT_IDX: [KTYPE, MBOX_VAL, 'bool(recent)'], - TYPE_MBOX_DEL_IDX: [KTYPE, MBOX_VAL, 'bool(deleted)'], - TYPE_MBOX_RECT_SEEN_IDX: [KTYPE, MBOX_VAL, - 'bool(recent)', 'bool(seen)'], - - # incoming queue - JUST_MAIL_IDX: [INCOMING_KEY, - "bool(%s)" % (ERROR_DECRYPTING_KEY,)], - - # the backward-compatible index, will be deprecated at 0.7 - JUST_MAIL_COMPAT_IDX: [INCOMING_KEY], - } - - MBOX_KEY = MBOX_VAL - - EMPTY_MBOX = { - TYPE_KEY: MBOX_KEY, - TYPE_MBOX_VAL: MBoxParser.INBOX_NAME, - SUBJECT_KEY: "", - FLAGS_KEY: [], - CLOSED_KEY: False, - SUBSCRIBED_KEY: False, - RW_KEY: 1, - LAST_UID_KEY: 0 - } - -fields = WithMsgFields # alias for convenience diff --git a/src/leap/mail/imap/index.py b/src/leap/mail/imap/index.py deleted file mode 100644 index 5f0919a..0000000 --- a/src/leap/mail/imap/index.py +++ /dev/null @@ -1,69 +0,0 @@ -# -*- coding: utf-8 -*- -# index.py -# Copyright (C) 2013 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -""" -Index for SoledadBackedAccount, Mailbox and Messages. -""" -import logging - -from leap.common.check import leap_assert, leap_assert_type - -from leap.mail.imap.fields import fields - - -logger = logging.getLogger(__name__) - - -class IndexedDB(object): - """ - Methods dealing with the index. - - This is a MixIn that needs access to the soledad instance, - and also assumes that a INDEXES attribute is accessible to the instance. - - INDEXES must be a dictionary of type: - {'index-name': ['field1', 'field2']} - """ - # TODO we might want to move this to soledad itself, check - - def initialize_db(self): - """ - Initialize the database. - """ - leap_assert(self._soledad, - "Need a soledad attribute accesible in the instance") - leap_assert_type(self.INDEXES, dict) - - # Ask the database for currently existing indexes. - if not self._soledad: - logger.debug("NO SOLEDAD ON IMAP INITIALIZATION") - return - db_indexes = dict() - if self._soledad is not None: - db_indexes = dict(self._soledad.list_indexes()) - for name, expression in fields.INDEXES.items(): - if name not in db_indexes: - # The index does not yet exist. - self._soledad.create_index(name, *expression) - continue - - if expression == db_indexes[name]: - # The index exists and is up to date. - continue - # The index exists but the definition is not what expected, so we - # delete it and add the proper index expression. - self._soledad.delete_index(name) - self._soledad.create_index(name, *expression) diff --git a/src/leap/mail/imap/interfaces.py b/src/leap/mail/imap/interfaces.py deleted file mode 100644 index c906278..0000000 --- a/src/leap/mail/imap/interfaces.py +++ /dev/null @@ -1,94 +0,0 @@ -# -*- coding: utf-8 -*- -# interfaces.py -# Copyright (C) 2014 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -""" -Interfaces for the IMAP module. -""" -from zope.interface import Interface, Attribute - - -class IMessageContainer(Interface): - """ - I am a container around the different documents that a message - is split into. - """ - fdoc = Attribute('The flags document for this message, if any.') - hdoc = Attribute('The headers document for this message, if any.') - cdocs = Attribute('The dict of content documents for this message, ' - 'if any.') - - def walk(self): - """ - Return an iterator to the docs for all the parts. - - :rtype: iterator - """ - - -class IMessageStore(Interface): - """ - I represent a generic storage for LEAP Messages. - """ - - def create_message(self, mbox, uid, message): - """ - Put the passed message into this IMessageStore. - - :param mbox: the mbox this message belongs. - :param uid: the UID that identifies this message in this mailbox. - :param message: a IMessageContainer implementor. - """ - - def put_message(self, mbox, uid, message): - """ - Put the passed message into this IMessageStore. - - :param mbox: the mbox this message belongs. - :param uid: the UID that identifies this message in this mailbox. - :param message: a IMessageContainer implementor. - """ - - def remove_message(self, mbox, uid): - """ - Remove the given message from this IMessageStore. - - :param mbox: the mbox this message belongs. - :param uid: the UID that identifies this message in this mailbox. - """ - - def get_message(self, mbox, uid): - """ - Get a IMessageContainer for the given mbox and uid combination. - - :param mbox: the mbox this message belongs. - :param uid: the UID that identifies this message in this mailbox. - :return: IMessageContainer - """ - - -class IMessageStoreWriter(Interface): - """ - I represent a storage that is able to write its contents to another - different IMessageStore. - """ - - def write_messages(self, store): - """ - Write the documents in this IMessageStore to a different - storage. Usually this will be done from a MemoryStorage to a DbStorage. - - :param store: another IMessageStore implementor. - """ diff --git a/src/leap/mail/imap/mailbox.py b/src/leap/mail/imap/mailbox.py index 34cf535..c52a2e3 100644 --- a/src/leap/mail/imap/mailbox.py +++ b/src/leap/mail/imap/mailbox.py @@ -1,6 +1,6 @@ # *- coding: utf-8 -*- # mailbox.py -# Copyright (C) 2013 LEAP +# Copyright (C) 2013-2015 LEAP # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -15,36 +15,38 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """ -Soledad Mailbox. +IMAP Mailbox. """ -import copy -import threading +import re import logging -import StringIO -import cStringIO import os +import cStringIO +import StringIO +import time from collections import defaultdict +from email.utils import formatdate from twisted.internet import defer -from twisted.internet.task import deferLater +from twisted.internet import reactor from twisted.python import log from twisted.mail import imap4 from zope.interface import implements -from leap.common import events as leap_events -from leap.common.events.events_pb2 import IMAP_UNREAD_MAIL -from leap.common.check import leap_assert, leap_assert_type -from leap.mail.decorators import deferred_to_thread -from leap.mail.utils import empty -from leap.mail.imap.fields import WithMsgFields, fields -from leap.mail.imap.messages import MessageCollection -from leap.mail.imap.messageparts import MessageWrapper -from leap.mail.imap.parser import MBoxParser +from leap.common.check import leap_assert +from leap.common.check import leap_assert_type +from leap.mail.constants import INBOX_NAME, MessageFlags +from leap.mail.imap.messages import IMAPMessage logger = logging.getLogger(__name__) +# TODO LIST +# [ ] Restore profile_cmd instrumentation +# [ ] finish the implementation of IMailboxListener +# [ ] implement the rest of ISearchableMailbox + + """ If the environment variable `LEAP_SKIPNOTIFY` is set, we avoid notifying clients of new messages. Use during stress tests. @@ -53,7 +55,6 @@ NOTIFY_NEW = not os.environ.get('LEAP_SKIPNOTIFY', False) PROFILE_CMD = os.environ.get('LEAP_PROFILE_IMAPCMD', False) if PROFILE_CMD: - import time def _debugProfiling(result, cmdname, start): took = (time.time() - start) * 1000 @@ -70,33 +71,32 @@ if PROFILE_CMD: d.addCallback(_debugProfiling, name, time.time()) d.addErrback(lambda f: log.msg(f.getTraceback())) +INIT_FLAGS = (MessageFlags.SEEN_FLAG, MessageFlags.ANSWERED_FLAG, + MessageFlags.FLAGGED_FLAG, MessageFlags.DELETED_FLAG, + MessageFlags.DRAFT_FLAG, MessageFlags.RECENT_FLAG, + MessageFlags.LIST_FLAG) -class SoledadMailbox(WithMsgFields, MBoxParser): + +class IMAPMailbox(object): """ A Soledad-backed IMAP mailbox. Implements the high-level method needed for the Mailbox interfaces. - The low-level database methods are contained in MessageCollection class, - which we instantiate and make accessible in the `messages` attribute. + The low-level database methods are contained in the generic + MessageCollection class. We receive an instance of it and it is made + accessible in the `collection` attribute. """ implements( imap4.IMailbox, imap4.IMailboxInfo, - imap4.ICloseableMailbox, imap4.ISearchableMailbox, + # XXX I think we do not need to implement CloseableMailbox, do we? + # We could remove ourselves from the collectionListener, although I + # think it simply will be garbage collected. + # imap4.ICloseableMailbox imap4.IMessageCopier) - # XXX should finish the implementation of IMailboxListener - # XXX should completely implement ISearchableMailbox too - - messages = None - _closed = False - - INIT_FLAGS = (WithMsgFields.SEEN_FLAG, WithMsgFields.ANSWERED_FLAG, - WithMsgFields.FLAGGED_FLAG, WithMsgFields.DELETED_FLAG, - WithMsgFields.DRAFT_FLAG, WithMsgFields.RECENT_FLAG, - WithMsgFields.LIST_FLAG) - flags = None + init_flags = INIT_FLAGS CMD_MSG = "MESSAGES" CMD_RECENT = "RECENT" @@ -104,65 +104,25 @@ class SoledadMailbox(WithMsgFields, MBoxParser): CMD_UIDVALIDITY = "UIDVALIDITY" CMD_UNSEEN = "UNSEEN" - # FIXME we should turn this into a datastructure with limited capacity + # TODO we should turn this into a datastructure with limited capacity _listeners = defaultdict(set) - next_uid_lock = threading.Lock() - last_uid_lock = threading.Lock() - - # TODO unify all the `primed` dicts - _fdoc_primed = {} - _last_uid_primed = {} - _known_uids_primed = {} - - def __init__(self, mbox, soledad, memstore, rw=1): + def __init__(self, collection, rw=1): """ - SoledadMailbox constructor. Needs to get passed a name, plus a - Soledad instance. - - :param mbox: the mailbox name - :type mbox: str - - :param soledad: a Soledad instance. - :type soledad: Soledad - - :param memstore: a MemoryStore instance - :type memstore: MemoryStore + :param collection: instance of MessageCollection + :type collection: MessageCollection :param rw: read-and-write flag for this mailbox :type rw: int """ - leap_assert(mbox, "Need a mailbox name to initialize") - leap_assert(soledad, "Need a soledad instance to initialize") - - from twisted.internet import reactor - self.reactor = reactor - - self.mbox = self._parse_mailbox_name(mbox) self.rw = rw - - self._soledad = soledad - self._memstore = memstore - - self.messages = MessageCollection( - mbox=mbox, soledad=self._soledad, memstore=self._memstore) - self._uidvalidity = None + self.collection = collection + self.collection.addListener(self) - # XXX careful with this get/set (it would be - # hitting db unconditionally, move to memstore too) - # Now it's returning a fixed amount of flags from mem - # as a workaround. - if not self.getFlags(): - self.setFlags(self.INIT_FLAGS) - - if self._memstore: - self.prime_known_uids_to_memstore() - self.prime_last_uid_to_memstore() - self.prime_flag_docs_to_memstore() - - # purge memstore from empty fdocs. - self._memstore.purge_fdoc_store(mbox) + @property + def mbox_name(self): + return self.collection.mbox_name @property def listeners(self): @@ -175,11 +135,17 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :rtype: set """ - return self._listeners[self.mbox] + return self._listeners[self.mbox_name] + + def get_imap_message(self, message): + d = defer.Deferred() + IMAPMessage(message, store=self.collection.store, d=d) + return d - # TODO this grows too crazily when many instances are fired, like + # FIXME this grows too crazily when many instances are fired, like # during imaptest stress testing. Should have a queue of limited size # instead. + def addListener(self, listener): """ Add a listener to the listeners queue. @@ -192,8 +158,10 @@ class SoledadMailbox(WithMsgFields, MBoxParser): if not NOTIFY_NEW: return - logger.debug('adding mailbox listener: %s' % listener) - self.listeners.add(listener) + listeners = self.listeners + logger.debug('adding mailbox listener: %s. Total: %s' % ( + listener, len(listeners))) + listeners.add(listener) def removeListener(self, listener): """ @@ -204,17 +172,6 @@ class SoledadMailbox(WithMsgFields, MBoxParser): """ self.listeners.remove(listener) - def _get_mbox_doc(self): - """ - Return mailbox document. - - :return: A SoledadDocument containing this mailbox, or None if - the query failed. - :rtype: SoledadDocument or None. - """ - return self._memstore.get_mbox_doc(self.mbox) - - # XXX the memstore->soledadstore method in memstore is not complete def getFlags(self): """ Returns the flags defined for this mailbox. @@ -222,12 +179,12 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :returns: tuple of flags for this mailbox :rtype: tuple of str """ - flags = self._memstore.get_mbox_flags(self.mbox) + flags = self.collection.mbox_wrapper.flags if not flags: - flags = self.INIT_FLAGS - return map(str, flags) + flags = self.init_flags + flags_str = map(str, flags) + return flags_str - # XXX the memstore->soledadstore method in memstore is not complete def setFlags(self, flags): """ Sets flags for this mailbox. @@ -236,87 +193,10 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :type flags: tuple of str """ # XXX this is setting (overriding) old flags. + # Better pass a mode flag leap_assert(isinstance(flags, tuple), "flags expected to be a tuple") - self._memstore.set_mbox_flags(self.mbox, flags) - - # XXX SHOULD BETTER IMPLEMENT ADD_FLAG, REMOVE_FLAG. - - def _get_closed(self): - """ - Return the closed attribute for this mailbox. - - :return: True if the mailbox is closed - :rtype: bool - """ - return self._memstore.get_mbox_closed(self.mbox) - - def _set_closed(self, closed): - """ - Set the closed attribute for this mailbox. - - :param closed: the state to be set - :type closed: bool - """ - self._memstore.set_mbox_closed(self.mbox, closed) - - closed = property( - _get_closed, _set_closed, doc="Closed attribute.") - - def _get_last_uid(self): - """ - Return the last uid for this mailbox. - If we have a memory store, the last UID will be the highest - recorded UID in the message store, or a counter cached from - the mailbox document in soledad if this is higher. - - :return: the last uid for messages in this mailbox - :rtype: int - """ - last = self._memstore.get_last_uid(self.mbox) - logger.debug("last uid for %s: %s (from memstore)" % ( - repr(self.mbox), last)) - return last - - last_uid = property( - _get_last_uid, doc="Last_UID attribute.") - - def prime_last_uid_to_memstore(self): - """ - Prime memstore with last_uid value - """ - primed = self._last_uid_primed.get(self.mbox, False) - if not primed: - mbox = self._get_mbox_doc() - if mbox is None: - # memory-only store - return - last = mbox.content.get('lastuid', 0) - logger.info("Priming Soledad last_uid to %s" % (last,)) - self._memstore.set_last_soledad_uid(self.mbox, last) - self._last_uid_primed[self.mbox] = True - - def prime_known_uids_to_memstore(self): - """ - Prime memstore with the set of all known uids. - - We do this to be able to filter the requests efficiently. - """ - primed = self._known_uids_primed.get(self.mbox, False) - if not primed: - known_uids = self.messages.all_soledad_uid_iter() - self._memstore.set_known_uids(self.mbox, known_uids) - self._known_uids_primed[self.mbox] = True - - def prime_flag_docs_to_memstore(self): - """ - Prime memstore with all the flags documents. - """ - primed = self._fdoc_primed.get(self.mbox, False) - if not primed: - all_flag_docs = self.messages.get_all_soledad_flag_docs() - self._memstore.load_flag_docs(self.mbox, all_flag_docs) - self._fdoc_primed[self.mbox] = True + return self.collection.set_mbox_attr("flags", flags) def getUIDValidity(self): """ @@ -325,14 +205,9 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :return: unique validity identifier :rtype: int """ - if self._uidvalidity is None: - mbox = self._get_mbox_doc() - if mbox is None: - return 0 - self._uidvalidity = mbox.content.get(self.CREATED_KEY, 1) - return self._uidvalidity + return self.collection.get_mbox_attr("created") - def getUID(self, message): + def getUID(self, message_number): """ Return the UID of a message in the mailbox @@ -340,14 +215,15 @@ class SoledadMailbox(WithMsgFields, MBoxParser): but in the future will be useful to get absolute UIDs from message sequence numbers. - :param message: the message uid + :param message: the message sequence number. :type message: int :rtype: int + :return: the UID of the message. """ - msg = self.messages.get_msg_by_uid(message) - if msg is not None: - return msg.getUID() + # TODO support relative sequences. The (imap) message should + # receive a sequence number attribute: a deferred is not expected + return message_number def getUIDNext(self): """ @@ -355,23 +231,20 @@ class SoledadMailbox(WithMsgFields, MBoxParser): mailbox. Currently it returns the higher UID incremented by one. - We increment the next uid *each* time this function gets called. - In this way, there will be gaps if the message with the allocated - uid cannot be saved. But that is preferable to having race conditions - if we get to parallel message adding. - - :rtype: int + :return: deferred with int + :rtype: Deferred """ - with self.next_uid_lock: - return self.last_uid + 1 + d = self.collection.get_uid_next() + return d def getMessageCount(self): """ Returns the total count of messages in this mailbox. - :rtype: int + :return: deferred with int + :rtype: Deferred """ - return self.messages.count() + return self.collection.count() def getUnseenCount(self): """ @@ -380,7 +253,7 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :return: count of messages flagged `unseen` :rtype: int """ - return self.messages.count_unseen() + return self.collection.count_unseen() def getRecentCount(self): """ @@ -389,7 +262,7 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :return: count of messages flagged `recent` :rtype: int """ - return self.messages.count_recent() + return self.collection.count_recent() def isWriteable(self): """ @@ -398,6 +271,8 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :return: 1 if mailbox is read-writeable, 0 otherwise. :rtype: int """ + # XXX We don't need to store it in the mbox doc, do we? + # return int(self.collection.get_mbox_attr('rw')) return self.rw def getHierarchicalDelimiter(self): @@ -417,19 +292,26 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :type names: iter """ r = {} + maybe = defer.maybeDeferred if self.CMD_MSG in names: - r[self.CMD_MSG] = self.getMessageCount() + r[self.CMD_MSG] = maybe(self.getMessageCount) if self.CMD_RECENT in names: - r[self.CMD_RECENT] = self.getRecentCount() + r[self.CMD_RECENT] = maybe(self.getRecentCount) if self.CMD_UIDNEXT in names: - r[self.CMD_UIDNEXT] = self.last_uid + 1 + r[self.CMD_UIDNEXT] = maybe(self.getUIDNext) if self.CMD_UIDVALIDITY in names: - r[self.CMD_UIDVALIDITY] = self.getUIDValidity() + r[self.CMD_UIDVALIDITY] = maybe(self.getUIDValidity) if self.CMD_UNSEEN in names: - r[self.CMD_UNSEEN] = self.getUnseenCount() - return defer.succeed(r) + r[self.CMD_UNSEEN] = maybe(self.getUnseenCount) + + def as_a_dict(values): + return dict(zip(r.keys(), values)) - def addMessage(self, message, flags, date=None, notify_on_disk=False): + d = defer.gatherResults(r.values()) + d.addCallback(as_a_dict) + return d + + def addMessage(self, message, flags, date=None, notify_just_mdoc=True): """ Adds a message to this mailbox. @@ -440,51 +322,69 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :type flags: list of str :param date: timestamp - :type date: str - - :return: a deferred that evals to None - """ + :type date: str, or None + + :param notify_just_mdoc: + boolean passed to the wrapper.create method, to indicate whether + we're insterested in being notified right after the mdoc has been + written (as it's the first doc to be written, and quite small, this + is faster, though potentially unsafe). + Setting it to True improves a *lot* the responsiveness of the + APPENDS: we just need to be notified when the mdoc is saved, and + let's just expect that the other parts are doing just fine. This + will not catch any errors when the inserts of the other parts + fail, but on the other hand allows us to return very quickly, + which seems a good compromise given that we have to serialize the + appends. + However, some operations like the saving of drafts need to wait for + all the parts to be saved, so if some heuristics are met down in + the call chain a Draft message will unconditionally set this flag + to False, and therefore ignoring the setting of this flag here. + :type notify_just_mdoc: bool + + :return: a deferred that will be triggered with the UID of the added + message. + """ + # TODO should raise ReadOnlyMailbox if not rw. # TODO have a look at the cases for internal date in the rfc + # XXX we could treat the message as an IMessage from here + + # TODO change notify_just_mdoc to something more meaningful, like + # fast_insert_notify? + + # TODO notify_just_mdoc *sometimes* make the append tests fail. + # have to find a better solution for this. A workaround could probably + # be to have a list of the ongoing deferreds related to append, so that + # we queue for later all the requests having to do with these. + + # A better solution will probably involve implementing MULTIAPPEND + # extension or patching imap server to support pipelining. + if isinstance(message, (cStringIO.OutputType, StringIO.StringIO)): message = message.getvalue() - # XXX we could treat the message as an IMessage from here leap_assert_type(message, basestring) + if flags is None: flags = tuple() else: flags = tuple(str(flag) for flag in flags) - d = self._do_add_message(message, flags=flags, date=date, - notify_on_disk=notify_on_disk) - if PROFILE_CMD: - do_profile_cmd(d, "APPEND") - - # XXX should review now that we're not using qtreactor. - # A better place for this would be the COPY/APPEND dispatcher - # in server.py, but qtreactor hangs when I do that, so this seems - # to work fine for now. - - def notifyCallback(x): - self.reactor.callLater(0, self.notify_new) - return x + if date is None: + date = formatdate(time.time()) - d.addCallback(notifyCallback) - d.addErrback(lambda f: log.msg(f.getTraceback())) - return d - - def _do_add_message(self, message, flags, date, notify_on_disk=False): - """ - Calls to the messageCollection add_msg method. - Invoked from addMessage. - """ - d = self.messages.add_msg(message, flags=flags, date=date, - notify_on_disk=notify_on_disk) + d = self.collection.add_msg(message, flags, date=date, + notify_just_mdoc=notify_just_mdoc) + d.addErrback(lambda failure: log.err(failure)) return d def notify_new(self, *args): """ Notify of new messages to all the listeners. + This will be called indirectly by the underlying collection, that will + notify this IMAPMailbox whenever there are changes in the number of + messages in the collection, since we have added ourselves to the + collection listeners. :param args: ignored. """ @@ -493,26 +393,36 @@ class SoledadMailbox(WithMsgFields, MBoxParser): def cbNotifyNew(result): exists, recent = result - for l in self.listeners: - l.newMessages(exists, recent) + for listener in self.listeners: + listener.newMessages(exists, recent) + d = self._get_notify_count() d.addCallback(cbNotifyNew) - d.addCallback(self.cb_signal_unread_to_ui) + d.addCallback(self.collection.cb_signal_unread_to_ui) + d.addErrback(lambda failure: log.err(failure)) - @deferred_to_thread def _get_notify_count(self): """ Get message count and recent count for this mailbox Executed in a separate thread. Called from notify_new. - :return: number of messages and number of recent messages. - :rtype: tuple + :return: a deferred that will fire with a tuple, with number of + messages and number of recent messages. + :rtype: Deferred """ - exists = self.getMessageCount() - recent = self.getRecentCount() - logger.debug("NOTIFY (%r): there are %s messages, %s recent" % ( - self.mbox, exists, recent)) - return exists, recent + d_exists = defer.maybeDeferred(self.getMessageCount) + d_recent = defer.maybeDeferred(self.getRecentCount) + d_list = [d_exists, d_recent] + + def log_num_msg(result): + exists, recent = tuple(result) + logger.debug("NOTIFY (%r): there are %s messages, %s recent" % ( + self.mbox_name, exists, recent)) + return result + + d = defer.gatherResults(d_list) + d.addCallback(log_num_msg) + return d # commands, do not rename methods @@ -522,31 +432,21 @@ class SoledadMailbox(WithMsgFields, MBoxParser): Should cleanup resources, and set the \\Noselect flag on the mailbox. + """ - # XXX this will overwrite all the existing flags! + # XXX this will overwrite all the existing flags # should better simply addFlag - self.setFlags((self.NOSELECT_FLAG,)) - self.deleteAllDocs() + self.setFlags((MessageFlags.NOSELECT_FLAG,)) - # XXX removing the mailbox in situ for now, - # we should postpone the removal + def remove_mbox(_): + uuid = self.collection.mbox_uuid + d = self.collection.mbox_wrapper.delete(self.collection.store) + d.addCallback( + lambda _: self.collection.mbox_indexer.delete_table(uuid)) + return d - # XXX move to memory store?? - mbox_doc = self._get_mbox_doc() - if mbox_doc is None: - # memory-only store! - return - self._soledad.delete_doc(self._get_mbox_doc()) - - def _close_cb(self, result): - self.closed = True - - def close(self): - """ - Expunge and mark as closed - """ - d = self.expunge() - d.addCallback(self._close_cb) + d = self.deleteAllDocs() + d.addCallback(remove_mbox) return d def expunge(self): @@ -555,11 +455,35 @@ class SoledadMailbox(WithMsgFields, MBoxParser): """ if not self.isWriteable(): raise imap4.ReadOnlyMailbox - d = defer.Deferred() - self._memstore.expunge(self.mbox, d) + return self.collection.delete_all_flagged() + + def _get_message_fun(self, uid): + """ + Return the proper method to get a message for this mailbox, depending + on the passed uid flag. + + :param uid: If true, the IDs specified in the query are UIDs; + otherwise they are message sequence IDs. + :type uid: bool + :rtype: callable + """ + get_message_fun = [ + self.collection.get_message_by_sequence_number, + self.collection.get_message_by_uid][uid] + return get_message_fun + + def _get_messages_range(self, messages_asked, uid=True): + + def get_range(messages_asked): + return self._filter_msg_seq(messages_asked) + + d = defer.maybeDeferred(self._bound_seq, messages_asked, uid) + if uid: + d.addCallback(get_range) + d.addErrback(lambda f: log.err(f)) return d - def _bound_seq(self, messages_asked): + def _bound_seq(self, messages_asked, uid): """ Put an upper bound to a messages sequence if this is open. @@ -567,15 +491,27 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :type messages_asked: MessageSet :rtype: MessageSet """ + + def set_last_uid(last_uid): + messages_asked.last = last_uid + return messages_asked + + def set_last_seq(all_uid): + messages_asked.last = len(all_uid) + return messages_asked + if not messages_asked.last: try: iter(messages_asked) except TypeError: # looks like we cannot iterate - try: - messages_asked.last = self.last_uid - except ValueError: - pass + if uid: + d = self.collection.get_last_uid() + d.addCallback(set_last_uid) + else: + d = self.collection.all_uid_iter() + d.addCallback(set_last_seq) + return d return messages_asked def _filter_msg_seq(self, messages_asked): @@ -587,10 +523,16 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :type messages_asked: MessageSet :rtype: set """ - set_asked = set(messages_asked) - set_exist = set(self.messages.all_uid_iter()) - seq_messg = set_asked.intersection(set_exist) - return seq_messg + # TODO we could pass the asked sequence to the indexer + # all_uid_iter, and bound the sql query instead. + def filter_by_asked(all_msg_uid): + set_asked = set(messages_asked) + set_exist = set(all_msg_uid) + return set_asked.intersection(set_exist) + + d = self.collection.all_uid_iter() + d.addCallback(filter_by_asked) + return d def fetch(self, messages_asked, uid): """ @@ -607,54 +549,48 @@ class SoledadMailbox(WithMsgFields, MBoxParser): otherwise. :type uid: bool - :rtype: deferred - """ - d = defer.Deferred() - self.reactor.callInThread(self._do_fetch, messages_asked, uid, d) - if PROFILE_CMD: - do_profile_cmd(d, "FETCH") - d.addCallback(self.cb_signal_unread_to_ui) + :rtype: deferred with a generator that yields... + """ + get_msg_fun = self._get_message_fun(uid) + getimapmsg = self.get_imap_message + + def get_imap_messages_for_range(msg_range): + + def _get_imap_msg(messages): + d_imapmsg = [] + for msg in messages: + d_imapmsg.append(getimapmsg(msg)) + return defer.gatherResults(d_imapmsg, consumeErrors=True) + + def _zip_msgid(imap_messages): + zipped = zip( + list(msg_range), imap_messages) + return (item for item in zipped) + + # XXX not called?? + def _unset_recent(sequence): + reactor.callLater(0, self.unset_recent_flags, sequence) + return sequence + + d_msg = [] + for msgid in msg_range: + # XXX We want cdocs because we "probably" are asked for the + # body. We should be smarter at do_FETCH and pass a parameter + # to this method in order not to prefetch cdocs if they're not + # going to be used. + d_msg.append(get_msg_fun(msgid, get_cdocs=True)) + + d = defer.gatherResults(d_msg, consumeErrors=True) + d.addCallback(_get_imap_msg) + d.addCallback(_zip_msgid) + d.addErrback(lambda failure: log.err(failure)) + return d + + d = self._get_messages_range(messages_asked, uid) + d.addCallback(get_imap_messages_for_range) + d.addErrback(lambda failure: log.err(failure)) return d - # called in thread - def _do_fetch(self, messages_asked, uid, d): - """ - :param messages_asked: IDs of the messages to retrieve information - about - :type messages_asked: MessageSet - - :param uid: If true, the IDs are UIDs. They are message sequence IDs - otherwise. - :type uid: bool - :param d: deferred whose callback will be called with result. - :type d: Deferred - - :rtype: A tuple of two-tuples of message sequence numbers and - LeapMessage - """ - # For the moment our UID is sequential, so we - # can treat them all the same. - # Change this to the flag that twisted expects when we - # switch to content-hash based index + local UID table. - - sequence = False - # sequence = True if uid == 0 else False - - messages_asked = self._bound_seq(messages_asked) - seq_messg = self._filter_msg_seq(messages_asked) - getmsg = lambda uid: self.messages.get_msg_by_uid(uid) - - # for sequence numbers (uid = 0) - if sequence: - logger.debug("Getting msg by index: INEFFICIENT call!") - raise NotImplementedError - else: - got_msg = ((msgid, getmsg(msgid)) for msgid in seq_messg) - result = ((msgid, msg) for msgid, msg in got_msg - if msg is not None) - self.reactor.callLater(0, self.unset_recent_flags, seq_messg) - self.reactor.callFromThread(d.callback, result) - def fetch_flags(self, messages_asked, uid): """ A fast method to fetch all flags, tricking just the @@ -679,13 +615,23 @@ class SoledadMailbox(WithMsgFields, MBoxParser): MessagePart. :rtype: tuple """ + # is_sequence = True if uid == 0 else False + # XXX FIXME ----------------------------------------------------- + # imap/tests, or muas like mutt, it will choke until we implement + # sequence numbers. This is an easy hack meanwhile. + is_sequence = False + # --------------------------------------------------------------- + + if is_sequence: + raise NotImplementedError( + "FETCH FLAGS NOT IMPLEMENTED FOR MESSAGE SEQUENCE NUMBERS YET") + d = defer.Deferred() - self.reactor.callInThread(self._do_fetch_flags, messages_asked, uid, d) + reactor.callLater(0, self._do_fetch_flags, messages_asked, uid, d) if PROFILE_CMD: do_profile_cmd(d, "FETCH-ALL-FLAGS") return d - # called in thread def _do_fetch_flags(self, messages_asked, uid, d): """ :param messages_asked: IDs of the messages to retrieve information @@ -698,8 +644,8 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :param d: deferred whose callback will be called with result. :type d: Deferred - :rtype: A tuple of two-tuples of message sequence numbers and - flagsPart + :rtype: A generator that yields two-tuples of message sequence numbers + and flagsPart """ class flagsPart(object): def __init__(self, uid, flags): @@ -712,13 +658,28 @@ class SoledadMailbox(WithMsgFields, MBoxParser): def getFlags(self): return map(str, self.flags) - messages_asked = self._bound_seq(messages_asked) - seq_messg = self._filter_msg_seq(messages_asked) - - all_flags = self._memstore.all_flags(self.mbox) - result = ((msgid, flagsPart( - msgid, all_flags.get(msgid, tuple()))) for msgid in seq_messg) - self.reactor.callFromThread(d.callback, result) + def pack_flags(result): + _uid, _flags = result + return _uid, flagsPart(_uid, _flags) + + def get_flags_for_seq(sequence): + d_all_flags = [] + for msgid in sequence: + # TODO implement sequence numbers here too + d_flags_per_uid = self.collection.get_flags_by_uid(msgid) + d_flags_per_uid.addCallback(pack_flags) + d_all_flags.append(d_flags_per_uid) + gotflags = defer.gatherResults(d_all_flags) + gotflags.addCallback(get_uid_flag_generator) + return gotflags + + def get_uid_flag_generator(result): + generator = (item for item in result) + d.callback(generator) + + d_seq = self._get_messages_range(messages_asked, uid) + d_seq.addCallback(get_flags_for_seq) + return d_seq def fetch_headers(self, messages_asked, uid): """ @@ -744,7 +705,11 @@ class SoledadMailbox(WithMsgFields, MBoxParser): MessagePart. :rtype: tuple """ - # TODO how often is thunderbird doing this? + # TODO implement sequences + is_sequence = True if uid == 0 else False + if is_sequence: + raise NotImplementedError( + "FETCH HEADERS NOT IMPLEMENTED FOR SEQUENCE NUMBER YET") class headersPart(object): def __init__(self, uid, headers): @@ -769,29 +734,6 @@ class SoledadMailbox(WithMsgFields, MBoxParser): for msgid in seq_messg) return result - def cb_signal_unread_to_ui(self, result): - """ - Sends unread event to ui. - Used as a callback in several commands. - - :param result: ignored - """ - d = self._get_unseen_deferred() - d.addCallback(self.__cb_signal_unread_to_ui) - return result - - @deferred_to_thread - def _get_unseen_deferred(self): - return self.getUnseenCount() - - def __cb_signal_unread_to_ui(self, unseen): - """ - Send the unread signal to UI. - :param unseen: number of unseen messages. - :type unseen: int - """ - leap_events.signal(IMAP_UNREAD_MAIL, str(unseen)) - def store(self, messages_asked, flags, mode, uid): """ Sets the flags of one or more messages. @@ -826,17 +768,18 @@ class SoledadMailbox(WithMsgFields, MBoxParser): raise imap4.ReadOnlyMailbox d = defer.Deferred() - self.reactor.callLater(0, self._do_store, messages_asked, flags, - mode, uid, d) + reactor.callLater(0, self._do_store, messages_asked, flags, + mode, uid, d) if PROFILE_CMD: do_profile_cmd(d, "STORE") - d.addCallback(self.cb_signal_unread_to_ui) - d.addErrback(lambda f: log.msg(f.getTraceback())) + + d.addCallback(self.collection.cb_signal_unread_to_ui) + d.addErrback(lambda f: log.err(f)) return d def _do_store(self, messages_asked, flags, mode, uid, observer): """ - Helper method, invoke set_flags method in the MessageCollection. + Helper method, invoke set_flags method in the IMAPMessageCollection. See the documentation for the `store` method for the parameters. @@ -845,14 +788,31 @@ class SoledadMailbox(WithMsgFields, MBoxParser): done. :type observer: deferred """ - # XXX implement also sequence (uid = 0) - # XXX we should prevent client from setting Recent flag? + # TODO we should prevent client from setting Recent flag + get_msg_fun = self._get_message_fun(uid) leap_assert(not isinstance(flags, basestring), "flags cannot be a string") flags = tuple(flags) - messages_asked = self._bound_seq(messages_asked) - seq_messg = self._filter_msg_seq(messages_asked) - self.messages.set_flags(self.mbox, seq_messg, flags, mode, observer) + + def set_flags_for_seq(sequence): + def return_result_dict(list_of_flags): + result = dict(zip(list(sequence), list_of_flags)) + observer.callback(result) + return result + + d_all_set = [] + for msgid in sequence: + d = get_msg_fun(msgid) + d.addCallback(lambda msg: self.collection.update_flags( + msg, flags, mode)) + d_all_set.append(d) + got_flags_setted = defer.gatherResults(d_all_set) + got_flags_setted.addCallback(return_result_dict) + return got_flags_setted + + d_seq = self._get_messages_range(messages_asked, uid) + d_seq.addCallback(set_flags_for_seq) + return d_seq # ISearchableMailbox @@ -877,23 +837,24 @@ class SoledadMailbox(WithMsgFields, MBoxParser): :rtype: C{list} or C{Deferred} """ # TODO see if we can raise w/o interrupting flow - #:raise IllegalQueryError: Raised when query is not valid. + # :raise IllegalQueryError: Raised when query is not valid. # example query: # ['UNDELETED', 'HEADER', 'Message-ID', + # XXX fixme, does not exist # '52D44F11.9060107@dev.bitmask.net'] # TODO hardcoding for now! -- we'll support generic queries later on - # but doing a quickfix for avoiding duplicat saves in the draft folder. - # See issue #4209 + # but doing a quickfix for avoiding duplicate saves in the draft + # folder. # See issue #4209 if len(query) > 2: if query[1] == 'HEADER' and query[2].lower() == "message-id": msgid = str(query[3]).strip() logger.debug("Searching for %s" % (msgid,)) - d = self.messages._get_uid_from_msgid(str(msgid)) - d1 = defer.gatherResults([d]) - # we want a list, so return it all the same - return d1 + + d = self.collection.get_uid_from_msgid(str(msgid)) + d.addCallback(lambda result: [result]) + return d # nothing implemented for any other query logger.warning("Cannot process query: %s" % (query,)) @@ -911,94 +872,19 @@ class SoledadMailbox(WithMsgFields, MBoxParser): uid when the copy succeed. :rtype: Deferred """ - d = defer.Deferred() if PROFILE_CMD: do_profile_cmd(d, "COPY") # A better place for this would be the COPY/APPEND dispatcher # in server.py, but qtreactor hangs when I do that, so this seems # to work fine for now. - d.addCallback(lambda r: self.reactor.callLater(0, self.notify_new)) - deferLater(self.reactor, 0, self._do_copy, message, d) - return d - - def _do_copy(self, message, observer): - """ - Call invoked from the deferLater in `copy`. This will - copy the flags and header documents, and pass them to the - `create_message` method in the MemoryStore, together with - the observer deferred that we've been passed along. - - :param message: an IMessage implementor - :type message: LeapMessage - :param observer: the deferred that will fire with the - UID of the message - :type observer: Deferred - """ - memstore = self._memstore - - def createCopy(result): - exist, new_fdoc = result - if exist: - # Should we signal error on the callback? - logger.warning("Destination message already exists!") - - # XXX I'm not sure if we should raise the - # errback. This actually rases an ugly warning - # in some muas like thunderbird. - # UID 0 seems a good convention for no uid. - observer.callback(0) - else: - mbox = self.mbox - uid_next = memstore.increment_last_soledad_uid(mbox) - - new_fdoc[self.UID_KEY] = uid_next - new_fdoc[self.MBOX_KEY] = mbox - - flags = list(new_fdoc[self.FLAGS_KEY]) - flags.append(fields.RECENT_FLAG) - new_fdoc[self.FLAGS_KEY] = tuple(set(flags)) - - # FIXME set recent! - - self._memstore.create_message( - self.mbox, uid_next, - MessageWrapper(new_fdoc), - observer=observer, - notify_on_disk=False) - - d = self._get_msg_copy(message) - d.addCallback(createCopy) - d.addErrback(lambda f: log.msg(f.getTraceback())) - - @deferred_to_thread - def _get_msg_copy(self, message): - """ - Get a copy of the fdoc for this message, and check whether - it already exists. - - :param message: an IMessage implementor - :type message: LeapMessage - :return: exist, new_fdoc - :rtype: tuple - """ - # XXX for clarity, this could be delegated to a - # MessageCollection mixin that implements copy too, and - # moved out of here. - msg = message - memstore = self._memstore - - if empty(msg.fdoc): - logger.warning("Tried to copy a MSG with no fdoc") - return - new_fdoc = copy.deepcopy(msg.fdoc.content) - fdoc_chash = new_fdoc[fields.CONTENT_HASH_KEY] + # d.addCallback(lambda r: self.reactor.callLater(0, self.notify_new)) + # deferLater(self.reactor, 0, self._do_copy, message, d) + # return d - dest_fdoc = memstore.get_fdoc_from_chash( - fdoc_chash, self.mbox) - - exist = not empty(dest_fdoc) - return exist, new_fdoc + d = self.collection.copy_msg(message.message, + self.collection.mbox_uuid) + return d # convenience fun @@ -1006,19 +892,42 @@ class SoledadMailbox(WithMsgFields, MBoxParser): """ Delete all docs in this mailbox """ - docs = self.messages.get_all_docs() - for doc in docs: - self.messages._soledad.delete_doc(doc) + # FIXME not implemented + return self.collection.delete_all_docs() def unset_recent_flags(self, uid_seq): """ Unset Recent flag for a sequence of UIDs. """ - self.messages.unset_recent_flags(uid_seq) + # FIXME not implemented + return self.collection.unset_recent_flags(uid_seq) def __repr__(self): """ Representation string for this mailbox. """ - return u"<SoledadMailbox: mbox '%s' (%s)>" % ( - self.mbox, self.messages.count()) + return u"<IMAPMailbox: mbox '%s' (%s)>" % ( + self.mbox_name, self.collection.count()) + + +_INBOX_RE = re.compile(INBOX_NAME, re.IGNORECASE) + + +def normalize_mailbox(name): + """ + Return a normalized representation of the mailbox ``name``. + + This method ensures that an eventual initial 'inbox' part of a + mailbox name is made uppercase. + + :param name: the name of the mailbox + :type name: unicode + + :rtype: unicode + """ + # XXX maybe it would make sense to normalize common folders too: + # trash, sent, drafts, etc... + if _INBOX_RE.match(name): + # ensure inital INBOX is uppercase + return INBOX_NAME + name[len(INBOX_NAME):] + return name diff --git a/src/leap/mail/imap/memorystore.py b/src/leap/mail/imap/memorystore.py deleted file mode 100644 index e075394..0000000 --- a/src/leap/mail/imap/memorystore.py +++ /dev/null @@ -1,1333 +0,0 @@ -# -*- coding: utf-8 -*- -# memorystore.py -# Copyright (C) 2014 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -""" -In-memory transient store for a LEAPIMAPServer. -""" -import contextlib -import logging -import threading -import weakref - -from collections import defaultdict -from copy import copy - -from enum import Enum -from twisted.internet import defer -from twisted.internet import reactor -from twisted.internet.task import LoopingCall -from twisted.python import log -from zope.interface import implements - -from leap.common.check import leap_assert_type -from leap.mail import size -from leap.mail.utils import empty, phash_iter -from leap.mail.messageflow import MessageProducer -from leap.mail.imap import interfaces -from leap.mail.imap.fields import fields -from leap.mail.imap.messageparts import MessagePartType, MessagePartDoc -from leap.mail.imap.messageparts import RecentFlagsDoc -from leap.mail.imap.messageparts import MessageWrapper -from leap.mail.imap.messageparts import ReferenciableDict - -from leap.mail.decorators import deferred_to_thread - -logger = logging.getLogger(__name__) - - -# The default period to do writebacks to the permanent -# soledad storage, in seconds. -SOLEDAD_WRITE_PERIOD = 15 - -FDOC = MessagePartType.fdoc.name -HDOC = MessagePartType.hdoc.name -CDOCS = MessagePartType.cdocs.name -DOCS_ID = MessagePartType.docs_id.name - - -@contextlib.contextmanager -def set_bool_flag(obj, att): - """ - Set a boolean flag to True while we're doing our thing. - Just to let the world know. - """ - setattr(obj, att, True) - try: - yield True - except RuntimeError as exc: - logger.exception(exc) - finally: - setattr(obj, att, False) - - -DirtyState = Enum("DirtyState", "none dirty new") - - -class MemoryStore(object): - """ - An in-memory store to where we can write the different parts that - we split the messages into and buffer them until we write them to the - permanent storage. - - It uses MessageWrapper instances to represent the message-parts, which are - indexed by mailbox name and UID. - - It also can be passed a permanent storage as a paremeter (any implementor - of IMessageStore, in this case a SoledadStore). In this case, a periodic - dump of the messages stored in memory will be done. The period of the - writes to the permanent storage is controled by the write_period parameter - in the constructor. - """ - implements(interfaces.IMessageStore, - interfaces.IMessageStoreWriter) - - # TODO We will want to index by chash when we transition to local-only - # UIDs. - - WRITING_FLAG = "_writing" - _last_uid_lock = threading.Lock() - _fdoc_docid_lock = threading.Lock() - - def __init__(self, permanent_store=None, - write_period=SOLEDAD_WRITE_PERIOD): - """ - Initialize a MemoryStore. - - :param permanent_store: a IMessageStore implementor to dump - messages to. - :type permanent_store: IMessageStore - :param write_period: the interval to dump messages to disk, in seconds. - :type write_period: int - """ - self.reactor = reactor - - self._permanent_store = permanent_store - self._write_period = write_period - - if permanent_store is None: - self._mbox_closed = defaultdict(lambda: False) - - # Internal Storage: messages - """ - flags document store. - _fdoc_store[mbox][uid] = { 'content': 'aaa' } - """ - self._fdoc_store = defaultdict(lambda: defaultdict( - lambda: ReferenciableDict({}))) - - # Sizes - """ - {'mbox, uid': <int>} - """ - self._sizes = {} - - # Internal Storage: payload-hash - """ - fdocs:doc-id store, stores document IDs for putting - the dirty flags-docs. - """ - self._fdoc_id_store = defaultdict(lambda: defaultdict( - lambda: '')) - - # Internal Storage: content-hash:hdoc - """ - hdoc-store keeps references to - the header-documents indexed by content-hash. - - {'chash': { dict-stuff } - } - """ - self._hdoc_store = defaultdict(lambda: ReferenciableDict({})) - - # Internal Storage: payload-hash:cdoc - """ - content-docs stored by payload-hash - {'phash': { dict-stuff } } - """ - self._cdoc_store = defaultdict(lambda: ReferenciableDict({})) - - # Internal Storage: content-hash:fdoc - """ - chash-fdoc-store keeps references to - the flag-documents indexed by content-hash. - - {'chash': {'mbox-a': weakref.proxy(dict), - 'mbox-b': weakref.proxy(dict)} - } - """ - self._chash_fdoc_store = defaultdict(lambda: defaultdict(lambda: None)) - - # Internal Storage: recent-flags store - """ - recent-flags store keeps one dict per mailbox, - with the document-id of the u1db document - and the set of the UIDs that have the recent flag. - - {'mbox-a': {'doc_id': 'deadbeef', - 'set': {1,2,3,4} - } - } - """ - # TODO this will have to transition to content-hash - # indexes after we move to local-only UIDs. - - self._rflags_store = defaultdict( - lambda: {'doc_id': None, 'set': set([])}) - - """ - last-uid store keeps the count of the highest UID - per mailbox. - - {'mbox-a': 42, - 'mbox-b': 23} - """ - self._last_uid = defaultdict(lambda: 0) - - """ - known-uids keeps a count of the uids that soledad knows for a given - mailbox - - {'mbox-a': set([1,2,3])} - """ - self._known_uids = defaultdict(set) - - """ - mbox-flags is a dict containing flags for each mailbox. this is - modified from mailbox.getFlags / mailbox.setFlags - """ - self._mbox_flags = defaultdict(set) - - # New and dirty flags, to set MessageWrapper State. - self._new = set([]) - self._new_queue = set([]) - self._new_deferreds = {} - - self._dirty = set([]) - self._dirty_queue = set([]) - self._dirty_deferreds = {} - - self._rflags_dirty = set([]) - - # Flag for signaling we're busy writing to the disk storage. - setattr(self, self.WRITING_FLAG, False) - - if self._permanent_store is not None: - # this producer spits its messages to the permanent store - # consumer using a queue. We will use that to put - # our messages to be written. - self.producer = MessageProducer(permanent_store, - period=0.1) - # looping call for dumping to SoledadStore - self._write_loop = LoopingCall(self.write_messages, - permanent_store) - - # We can start the write loop right now, why wait? - self._start_write_loop() - else: - # We have a memory-only store. - self.producer = None - self._write_loop = None - - def _start_write_loop(self): - """ - Start loop for writing to disk database. - """ - if self._write_loop is None: - return - if not self._write_loop.running: - self._write_loop.start(self._write_period, now=True) - - def _stop_write_loop(self): - """ - Stop loop for writing to disk database. - """ - if self._write_loop is None: - return - if self._write_loop.running: - self._write_loop.stop() - - # IMessageStore - - # XXX this would work well for whole message operations. - # We would have to add a put_flags operation to modify only - # the flags doc (and set the dirty flag accordingly) - - def create_message(self, mbox, uid, message, observer, - notify_on_disk=True): - """ - Create the passed message into this MemoryStore. - - By default we consider that any message is a new message. - - :param mbox: the mailbox - :type mbox: str or unicode - :param uid: the UID for the message - :type uid: int - :param message: a message to be added - :type message: MessageWrapper - :param observer: the deferred that will fire with the - UID of the message. If notify_on_disk is True, - this will happen when the message is written to - Soledad. Otherwise it will fire as soon as we've - added the message to the memory store. - :type observer: Deferred - :param notify_on_disk: whether the `observer` deferred should - wait until the message is written to disk to - be fired. - :type notify_on_disk: bool - """ - log.msg("Adding new doc to memstore %r (%r)" % (mbox, uid)) - key = mbox, uid - - self._add_message(mbox, uid, message, notify_on_disk) - self._new.add(key) - - if observer is not None: - if notify_on_disk: - # We store this deferred so we can keep track of the pending - # operations internally. - # TODO this should fire with the UID !!! -- change that in - # the soledad store code. - self._new_deferreds[key] = observer - - else: - # Caller does not care, just fired and forgot, so we pass - # a defer that will inmediately have its callback triggered. - self.reactor.callFromThread(observer.callback, uid) - - def put_message(self, mbox, uid, message, notify_on_disk=True): - """ - Put an existing message. - - This will also set the dirty flag on the MemoryStore. - - :param mbox: the mailbox - :type mbox: str or unicode - :param uid: the UID for the message - :type uid: int - :param message: a message to be added - :type message: MessageWrapper - :param notify_on_disk: whether the deferred that is returned should - wait until the message is written to disk to - be fired. - :type notify_on_disk: bool - - :return: a Deferred. if notify_on_disk is True, will be fired - when written to the db on disk. - Otherwise will fire inmediately - :rtype: Deferred - """ - key = mbox, uid - d = defer.Deferred() - d.addCallback(lambda result: log.msg("message PUT save: %s" % result)) - - self._dirty.add(key) - self._dirty_deferreds[key] = d - self._add_message(mbox, uid, message, notify_on_disk) - return d - - def _add_message(self, mbox, uid, message, notify_on_disk=True): - """ - Helper method, called by both create_message and put_message. - See those for parameter documentation. - """ - msg_dict = message.as_dict() - - fdoc = msg_dict.get(FDOC, None) - if fdoc is not None: - fdoc_store = self._fdoc_store[mbox][uid] - fdoc_store.update(fdoc) - chash_fdoc_store = self._chash_fdoc_store - - # content-hash indexing - chash = fdoc.get(fields.CONTENT_HASH_KEY) - chash_fdoc_store[chash][mbox] = weakref.proxy( - self._fdoc_store[mbox][uid]) - - hdoc = msg_dict.get(HDOC, None) - if hdoc is not None: - chash = hdoc.get(fields.CONTENT_HASH_KEY) - hdoc_store = self._hdoc_store[chash] - hdoc_store.update(hdoc) - - cdocs = message.cdocs - for cdoc in cdocs.values(): - phash = cdoc.get(fields.PAYLOAD_HASH_KEY, None) - if not phash: - continue - cdoc_store = self._cdoc_store[phash] - cdoc_store.update(cdoc) - - # Update memory store size - # XXX this should use [mbox][uid] - # TODO --- this has to be deferred to thread, - # TODO add hdoc and cdocs sizes too - # it's slowing things down here. - # key = mbox, uid - # self._sizes[key] = size.get_size(self._fdoc_store[key]) - - def purge_fdoc_store(self, mbox): - """ - Purge the empty documents from a fdoc store. - Called during initialization of the SoledadMailbox - - :param mbox: the mailbox - :type mbox: str or unicode - """ - # XXX This is really a workaround until I find the conditions - # that are making the empty items remain there. - # This happens, for instance, after running several times - # the regression test, that issues a store deleted + expunge + select - # The items are being correclty deleted, but in succesive appends - # the empty items with previously deleted uids reappear as empty - # documents. I suspect it's a timing condition with a previously - # evaluated sequence being used after the items has been removed. - - for uid, value in self._fdoc_store[mbox].items(): - if empty(value): - del self._fdoc_store[mbox][uid] - - def get_docid_for_fdoc(self, mbox, uid): - """ - Return Soledad document id for the flags-doc for a given mbox and uid, - or None of no flags document could be found. - - :param mbox: the mailbox - :type mbox: str or unicode - :param uid: the message UID - :type uid: int - :rtype: unicode or None - """ - with self._fdoc_docid_lock: - doc_id = self._fdoc_id_store[mbox][uid] - - if empty(doc_id): - fdoc = self._permanent_store.get_flags_doc(mbox, uid) - if empty(fdoc) or empty(fdoc.content): - return None - doc_id = fdoc.doc_id - self._fdoc_id_store[mbox][uid] = doc_id - - return doc_id - - def get_message(self, mbox, uid, dirtystate=DirtyState.none, - flags_only=False): - """ - Get a MessageWrapper for the given mbox and uid combination. - - :param mbox: the mailbox - :type mbox: str or unicode - :param uid: the message UID - :type uid: int - :param dirtystate: DirtyState enum: one of `dirty`, `new` - or `none` (default) - :type dirtystate: enum - :param flags_only: whether the message should carry only a reference - to the flags document. - :type flags_only: bool - : - - :return: MessageWrapper or None - """ - if dirtystate == DirtyState.dirty: - flags_only = True - - key = mbox, uid - - fdoc = self._fdoc_store[mbox][uid] - if empty(fdoc): - return None - - new, dirty = False, False - if dirtystate == DirtyState.none: - new, dirty = self._get_new_dirty_state(key) - if dirtystate == DirtyState.dirty: - new, dirty = False, True - if dirtystate == DirtyState.new: - new, dirty = True, False - - if flags_only: - return MessageWrapper(fdoc=fdoc, - new=new, dirty=dirty, - memstore=weakref.proxy(self)) - else: - chash = fdoc.get(fields.CONTENT_HASH_KEY) - hdoc = self._hdoc_store[chash] - if empty(hdoc): - hdoc = self._permanent_store.get_headers_doc(chash) - if empty(hdoc): - return None - if not empty(hdoc.content): - self._hdoc_store[chash] = hdoc.content - hdoc = hdoc.content - cdocs = None - - pmap = hdoc.get(fields.PARTS_MAP_KEY, None) - if new and pmap is not None: - # take the different cdocs for write... - cdoc_store = self._cdoc_store - cdocs_list = phash_iter(hdoc) - cdocs = dict(enumerate( - [cdoc_store[phash] for phash in cdocs_list], 1)) - - return MessageWrapper(fdoc=fdoc, hdoc=hdoc, cdocs=cdocs, - new=new, dirty=dirty, - memstore=weakref.proxy(self)) - - def remove_message(self, mbox, uid): - """ - Remove a Message from this MemoryStore. - - :param mbox: the mailbox - :type mbox: str or unicode - :param uid: the message UID - :type uid: int - """ - # XXX For the moment we are only removing the flags and headers - # docs. The rest we leave there polluting your hard disk, - # until we think about a good way of deorphaning. - - # XXX implement elijah's idea of using a PUT document as a - # token to ensure consistency in the removal. - - try: - del self._fdoc_store[mbox][uid] - except KeyError: - pass - - try: - key = mbox, uid - self._new.discard(key) - self._dirty.discard(key) - if key in self._sizes: - del self._sizes[key] - self._known_uids[mbox].discard(uid) - except KeyError: - pass - except Exception as exc: - logger.error("error while removing message!") - logger.exception(exc) - try: - with self._fdoc_docid_lock: - del self._fdoc_id_store[mbox][uid] - except KeyError: - pass - except Exception as exc: - logger.error("error while removing message!") - logger.exception(exc) - - # IMessageStoreWriter - - @deferred_to_thread - def write_messages(self, store): - """ - Write the message documents in this MemoryStore to a different store. - - :param store: the IMessageStore to write to - :rtype: False if queue is not empty, None otherwise. - """ - # For now, we pass if the queue is not empty, to avoid duplicate - # queuing. - # We would better use a flag to know when we've already enqueued an - # item. - - # XXX this could return the deferred for all the enqueued operations - - if not self.producer.is_queue_empty(): - return False - - if any(map(lambda i: not empty(i), (self._new, self._dirty))): - logger.info("Writing messages to Soledad...") - - # TODO change for lock, and make the property access - # is accquired - with set_bool_flag(self, self.WRITING_FLAG): - for rflags_doc_wrapper in self.all_rdocs_iter(): - self.producer.push(rflags_doc_wrapper, - state=self.producer.STATE_DIRTY) - for msg_wrapper in self.all_new_msg_iter(): - self.producer.push(msg_wrapper, - state=self.producer.STATE_NEW) - for msg_wrapper in self.all_dirty_msg_iter(): - self.producer.push(msg_wrapper, - state=self.producer.STATE_DIRTY) - - # MemoryStore specific methods. - - def get_uids(self, mbox): - """ - Get all uids for a given mbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: list - """ - return self._fdoc_store[mbox].keys() - - def get_soledad_known_uids(self, mbox): - """ - Get all uids that soledad knows about, from the memory cache. - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: list - """ - return self._known_uids.get(mbox, []) - - # last_uid - - def get_last_uid(self, mbox): - """ - Return the highest UID for a given mbox. - It will be the highest between the highest uid in the message store for - the mailbox, and the soledad integer cache. - - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: int - """ - uids = self.get_uids(mbox) - last_mem_uid = uids and max(uids) or 0 - last_soledad_uid = self.get_last_soledad_uid(mbox) - return max(last_mem_uid, last_soledad_uid) - - def get_last_soledad_uid(self, mbox): - """ - Get last uid for a given mbox from the soledad integer cache. - - :param mbox: the mailbox - :type mbox: str or unicode - """ - return self._last_uid.get(mbox, 0) - - def set_last_soledad_uid(self, mbox, value): - """ - Set last uid for a given mbox in the soledad integer cache. - SoledadMailbox should prime this value during initialization. - Other methods (during message adding) SHOULD call - `increment_last_soledad_uid` instead. - - :param mbox: the mailbox - :type mbox: str or unicode - :param value: the value to set - :type value: int - """ - # can be long??? - # leap_assert_type(value, int) - logger.info("setting last soledad uid for %s to %s" % - (mbox, value)) - # if we already have a value here, don't do anything - with self._last_uid_lock: - if not self._last_uid.get(mbox, None): - self._last_uid[mbox] = value - - def set_known_uids(self, mbox, value): - """ - Set the value fo the known-uids set for this mbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :param value: a sequence of integers to be added to the set. - :type value: tuple - """ - current = self._known_uids[mbox] - self._known_uids[mbox] = current.union(set(value)) - - def increment_last_soledad_uid(self, mbox): - """ - Increment by one the soledad integer cache for the last_uid for - this mbox, and fire a defer-to-thread to update the soledad value. - The caller should lock the call tho this method. - - :param mbox: the mailbox - :type mbox: str or unicode - """ - with self._last_uid_lock: - self._last_uid[mbox] += 1 - value = self._last_uid[mbox] - self.reactor.callInThread(self.write_last_uid, mbox, value) - return value - - def write_last_uid(self, mbox, value): - """ - Increment the soledad integer cache for the highest uid value. - - :param mbox: the mailbox - :type mbox: str or unicode - :param value: the value to set - :type value: int - """ - leap_assert_type(value, int) - if self._permanent_store: - self._permanent_store.write_last_uid(mbox, value) - - def load_flag_docs(self, mbox, flag_docs): - """ - Load the flag documents for the given mbox. - Used during initial flag docs prefetch. - - :param mbox: the mailbox - :type mbox: str or unicode - :param flag_docs: a dict with the content for the flag docs, indexed - by uid. - :type flag_docs: dict - """ - # We can do direct assignments cause we know this will only - # be called during initialization of the mailbox. - # TODO could hook here a sanity-check - # for duplicates - - fdoc_store = self._fdoc_store[mbox] - chash_fdoc_store = self._chash_fdoc_store - for uid in flag_docs: - rdict = ReferenciableDict(flag_docs[uid]) - fdoc_store[uid] = rdict - # populate chash dict too, to avoid fdoc duplication - chash = flag_docs[uid]["chash"] - chash_fdoc_store[chash][mbox] = weakref.proxy( - self._fdoc_store[mbox][uid]) - - def update_flags(self, mbox, uid, fdoc): - """ - Update the flag document for a given mbox and uid combination, - and set the dirty flag. - We could use put_message, but this is faster. - - :param mbox: the mailbox - :type mbox: str or unicode - :param uid: the uid of the message - :type uid: int - - :param fdoc: a dict with the content for the flag docs - :type fdoc: dict - """ - key = mbox, uid - self._fdoc_store[mbox][uid].update(fdoc) - self._dirty.add(key) - - def load_header_docs(self, header_docs): - """ - Load the flag documents for the given mbox. - Used during header docs prefetch, and during cache after - a read from soledad if the hdoc property in message did not - find its value in here. - - :param flag_docs: a dict with the content for the flag docs. - :type flag_docs: dict - """ - hdoc_store = self._hdoc_store - for chash in header_docs: - hdoc_store[chash] = ReferenciableDict(header_docs[chash]) - - def all_flags(self, mbox): - """ - Return a dictionary with all the flags for a given mbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: dict - """ - fdict = {} - uids = self.get_uids(mbox) - fstore = self._fdoc_store[mbox] - - for uid in uids: - try: - fdict[uid] = fstore[uid][fields.FLAGS_KEY] - except KeyError: - continue - return fdict - - def all_headers(self, mbox): - """ - Return a dictionary with all the header docs for a given mbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: dict - """ - headers_dict = {} - uids = self.get_uids(mbox) - fdoc_store = self._fdoc_store[mbox] - hdoc_store = self._hdoc_store - - for uid in uids: - try: - chash = fdoc_store[uid][fields.CONTENT_HASH_KEY] - hdoc = hdoc_store[chash] - if not empty(hdoc): - headers_dict[uid] = hdoc - except KeyError: - continue - return headers_dict - - # Counting sheeps... - - def count_new_mbox(self, mbox): - """ - Count the new messages by mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :return: number of new messages - :rtype: int - """ - return len([(m, uid) for m, uid in self._new if mbox == mbox]) - - # XXX used at all? - def count_new(self): - """ - Count all the new messages in the MemoryStore. - - :rtype: int - """ - return len(self._new) - - def count(self, mbox): - """ - Return the count of messages for a given mbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :return: number of messages - :rtype: int - """ - return len(self._fdoc_store[mbox]) - - def unseen_iter(self, mbox): - """ - Get an iterator for the message UIDs with no `seen` flag - for a given mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :return: iterator through unseen message doc UIDs - :rtype: iterable - """ - fdocs = self._fdoc_store[mbox] - - return [uid for uid, value - in fdocs.items() - if fields.SEEN_FLAG not in value.get(fields.FLAGS_KEY, [])] - - def get_cdoc_from_phash(self, phash): - """ - Return a content-document by its payload-hash. - - :param phash: the payload hash to check against - :type phash: str or unicode - :rtype: MessagePartDoc - """ - doc = self._cdoc_store.get(phash, None) - - # XXX return None for consistency? - - # XXX have to keep a mapping between phash and its linkage - # info, to know if this payload is been already saved or not. - # We will be able to get this from the linkage-docs, - # not yet implemented. - new = True - dirty = False - return MessagePartDoc( - new=new, dirty=dirty, store="mem", - part=MessagePartType.cdoc, - content=doc, - doc_id=None) - - def get_fdoc_from_chash(self, chash, mbox): - """ - Return a flags-document by its content-hash and a given mailbox. - Used during content-duplication detection while copying or adding a - message. - - :param chash: the content hash to check against - :type chash: str or unicode - :param mbox: the mailbox - :type mbox: str or unicode - - :return: MessagePartDoc. It will return None if the flags document - has empty content or it is flagged as \\Deleted. - """ - fdoc = self._chash_fdoc_store[chash][mbox] - - # a couple of special cases. - # 1. We might have a doc with empty content... - if empty(fdoc): - return None - - # 2. ...Or the message could exist, but being flagged for deletion. - # We want to create a new one in this case. - # Hmmm what if the deletion is un-done?? We would end with a - # duplicate... - if fdoc and fields.DELETED_FLAG in fdoc.get(fields.FLAGS_KEY, []): - return None - - uid = fdoc[fields.UID_KEY] - key = mbox, uid - new = key in self._new - dirty = key in self._dirty - - return MessagePartDoc( - new=new, dirty=dirty, store="mem", - part=MessagePartType.fdoc, - content=fdoc, - doc_id=None) - - def iter_fdoc_keys(self): - """ - Return a generator through all the mbox, uid keys in the flags-doc - store. - """ - fdoc_store = self._fdoc_store - for mbox in fdoc_store: - for uid in fdoc_store[mbox]: - yield mbox, uid - - def all_new_msg_iter(self): - """ - Return generator that iterates through all new messages. - - :return: generator of MessageWrappers - :rtype: generator - """ - gm = self.get_message - # need to freeze, set can change during iteration - new = [gm(*key, dirtystate=DirtyState.new) for key in tuple(self._new)] - # move content from new set to the queue - self._new_queue.update(self._new) - self._new.difference_update(self._new) - return new - - def all_dirty_msg_iter(self): - """ - Return generator that iterates through all dirty messages. - - :return: generator of MessageWrappers - :rtype: generator - """ - gm = self.get_message - # need to freeze, set can change during iteration - dirty = [gm(*key, flags_only=True, dirtystate=DirtyState.dirty) - for key in tuple(self._dirty)] - # move content from new and dirty sets to the queue - - self._dirty_queue.update(self._dirty) - self._dirty.difference_update(self._dirty) - return dirty - - def all_deleted_uid_iter(self, mbox): - """ - Return a list with the UIDs for all messags - with deleted flag in a given mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :return: list of integers - :rtype: list - """ - # This *needs* to return a fixed sequence. Otherwise the dictionary len - # will change during iteration, when we modify it - fdocs = self._fdoc_store[mbox] - return [uid for uid, value - in fdocs.items() - if fields.DELETED_FLAG in value.get(fields.FLAGS_KEY, [])] - - # new, dirty flags - - def _get_new_dirty_state(self, key): - """ - Return `new` and `dirty` flags for a given message. - - :param key: the key for the message, in the form mbox, uid - :type key: tuple - :return: tuple of bools - :rtype: tuple - """ - # TODO change indexing of sets to [mbox][key] too. - # XXX should return *first* the news, and *then* the dirty... - - # TODO should query in queues too , true? - # - return map(lambda _set: key in _set, (self._new, self._dirty)) - - def set_new_queued(self, key): - """ - Add the key value to the `new-queue` set. - - :param key: the key for the message, in the form mbox, uid - :type key: tuple - """ - self._new_queue.add(key) - - def unset_new_queued(self, key): - """ - Remove the key value from the `new-queue` set. - - :param key: the key for the message, in the form mbox, uid - :type key: tuple - """ - self._new_queue.discard(key) - deferreds = self._new_deferreds - d = deferreds.get(key, None) - if d: - # XXX use a namedtuple for passing the result - # when we check it in the other side. - d.callback('%s, ok' % str(key)) - deferreds.pop(key) - - def set_dirty_queued(self, key): - """ - Add the key value to the `dirty-queue` set. - - :param key: the key for the message, in the form mbox, uid - :type key: tuple - """ - self._dirty_queue.add(key) - - def unset_dirty_queued(self, key): - """ - Remove the key value from the `dirty-queue` set. - - :param key: the key for the message, in the form mbox, uid - :type key: tuple - """ - self._dirty_queue.discard(key) - deferreds = self._dirty_deferreds - d = deferreds.get(key, None) - if d: - # XXX use a namedtuple for passing the result - # when we check it in the other side. - d.callback('%s, ok' % str(key)) - deferreds.pop(key) - - # Recent Flags - - def set_recent_flag(self, mbox, uid): - """ - Set the `Recent` flag for a given mailbox and UID. - - :param mbox: the mailbox - :type mbox: str or unicode - :param uid: the message UID - :type uid: int - """ - self._rflags_dirty.add(mbox) - self._rflags_store[mbox]['set'].add(uid) - - # TODO --- nice but unused - def unset_recent_flag(self, mbox, uid): - """ - Unset the `Recent` flag for a given mailbox and UID. - - :param mbox: the mailbox - :type mbox: str or unicode - :param uid: the message UID - :type uid: int - """ - self._rflags_store[mbox]['set'].discard(uid) - - def set_recent_flags(self, mbox, value): - """ - Set the value for the set of the recent flags. - Used from the property in the MessageCollection. - - :param mbox: the mailbox - :type mbox: str or unicode - :param value: a sequence of flags to set - :type value: sequence - """ - self._rflags_dirty.add(mbox) - self._rflags_store[mbox]['set'] = set(value) - - def load_recent_flags(self, mbox, flags_doc): - """ - Load the passed flags document in the recent flags store, for a given - mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :param flags_doc: A dictionary containing the `doc_id` of the Soledad - flags-document for this mailbox, and the `set` - of uids marked with that flag. - """ - self._rflags_store[mbox] = flags_doc - - def get_recent_flags(self, mbox): - """ - Return the set of UIDs with the `Recent` flag for this mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: set, or None - """ - rflag_for_mbox = self._rflags_store.get(mbox, None) - if not rflag_for_mbox: - return None - return self._rflags_store[mbox]['set'] - - def all_rdocs_iter(self): - """ - Return an iterator through all in-memory recent flag dicts, wrapped - under a RecentFlagsDoc namedtuple. - Used for saving to disk. - - :return: a generator of RecentFlagDoc - :rtype: generator - """ - # XXX use enums - DOC_ID = "doc_id" - SET = "set" - - rflags_store = self._rflags_store - - def get_rdoc(mbox, rdict): - mbox_rflag_set = rdict[SET] - recent_set = copy(mbox_rflag_set) - # zero it! - mbox_rflag_set.difference_update(mbox_rflag_set) - return RecentFlagsDoc( - doc_id=rflags_store[mbox][DOC_ID], - content={ - fields.TYPE_KEY: fields.TYPE_RECENT_VAL, - fields.MBOX_KEY: mbox, - fields.RECENTFLAGS_KEY: list(recent_set) - }) - - return (get_rdoc(mbox, rdict) for mbox, rdict in rflags_store.items() - if not empty(rdict[SET])) - - # Methods that mirror the IMailbox interface - - def remove_all_deleted(self, mbox): - """ - Remove all messages flagged \\Deleted from this Memory Store only. - Called from `expunge` - - :param mbox: the mailbox - :type mbox: str or unicode - :return: a list of UIDs - :rtype: list - """ - mem_deleted = self.all_deleted_uid_iter(mbox) - for uid in mem_deleted: - self.remove_message(mbox, uid) - return mem_deleted - - def stop_and_flush(self): - """ - Stop the write loop and trigger a write to the producer. - """ - self._stop_write_loop() - if self._permanent_store is not None: - # XXX we should check if we did get a True value on this - # operation. If we got False we should retry! (queue was not empty) - self.write_messages(self._permanent_store) - self.producer.flush() - - def expunge(self, mbox, observer): - """ - Remove all messages flagged \\Deleted, from the Memory Store - and from the permanent store also. - - It first queues up a last write, and wait for the deferreds to be done - before continuing. - - :param mbox: the mailbox - :type mbox: str or unicode - :param observer: a deferred that will be fired when expunge is done - :type observer: Deferred - """ - soledad_store = self._permanent_store - if soledad_store is None: - # just-in memory store, easy then. - self._delete_from_memory(mbox, observer) - return - - # We have a soledad storage. - try: - # Stop and trigger last write - self.stop_and_flush() - # Wait on the writebacks to finish - - # XXX what if pending deferreds is empty? - pending_deferreds = (self._new_deferreds.get(mbox, []) + - self._dirty_deferreds.get(mbox, [])) - d1 = defer.gatherResults(pending_deferreds, consumeErrors=True) - d1.addCallback( - self._delete_from_soledad_and_memory, mbox, observer) - except Exception as exc: - logger.exception(exc) - - def _delete_from_memory(self, mbox, observer): - """ - Remove all messages marked as deleted from soledad and memory. - - :param mbox: the mailbox - :type mbox: str or unicode - :param observer: a deferred that will be fired when expunge is done - :type observer: Deferred - """ - mem_deleted = self.remove_all_deleted(mbox) - observer.callback(mem_deleted) - - def _delete_from_soledad_and_memory(self, result, mbox, observer): - """ - Remove all messages marked as deleted from soledad and memory. - - :param result: ignored. the result of the deferredList that triggers - this as a callback from `expunge`. - :param mbox: the mailbox - :type mbox: str or unicode - :param observer: a deferred that will be fired when expunge is done - :type observer: Deferred - """ - all_deleted = [] - soledad_store = self._permanent_store - - try: - # 1. Delete all messages marked as deleted in soledad. - logger.debug("DELETING FROM SOLEDAD ALL FOR %r" % (mbox,)) - sol_deleted = soledad_store.remove_all_deleted(mbox) - - try: - self._known_uids[mbox].difference_update(set(sol_deleted)) - except Exception as exc: - logger.exception(exc) - - # 2. Delete all messages marked as deleted in memory. - logger.debug("DELETING FROM MEM ALL FOR %r" % (mbox,)) - mem_deleted = self.remove_all_deleted(mbox) - - all_deleted = set(mem_deleted).union(set(sol_deleted)) - logger.debug("deleted %r" % all_deleted) - except Exception as exc: - logger.exception(exc) - finally: - self._start_write_loop() - - observer.callback(all_deleted) - - # Mailbox documents and attributes - - # This could be also be cached in memstore, but proxying directly - # to soledad since it's not too performance-critical. - - def get_mbox_doc(self, mbox): - """ - Return the soledad document for a given mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: SoledadDocument or None. - """ - if self.permanent_store is not None: - return self.permanent_store.get_mbox_document(mbox) - else: - return None - - def get_mbox_closed(self, mbox): - """ - Return the closed attribute for a given mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: bool - """ - if self.permanent_store is not None: - return self.permanent_store.get_mbox_closed(mbox) - else: - return self._mbox_closed[mbox] - - def set_mbox_closed(self, mbox, closed): - """ - Set the closed attribute for a given mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - """ - if self.permanent_store is not None: - self.permanent_store.set_mbox_closed(mbox, closed) - else: - self._mbox_closed[mbox] = closed - - def get_mbox_flags(self, mbox): - """ - Get the flags for a given mbox. - :rtype: list - """ - return sorted(self._mbox_flags[mbox]) - - def set_mbox_flags(self, mbox, flags): - """ - Set the mbox flags - """ - self._mbox_flags[mbox] = set(flags) - # TODO - # This should write to the permanent store!!! - - # Rename flag-documents - - def rename_fdocs_mailbox(self, old_mbox, new_mbox): - """ - Change the mailbox name for all flag documents in a given mailbox. - Used from account.rename - - :param old_mbox: name for the old mbox - :type old_mbox: str or unicode - :param new_mbox: name for the new mbox - :type new_mbox: str or unicode - """ - fs = self._fdoc_store - keys = fs[old_mbox].keys() - for k in keys: - fdoc = fs[old_mbox][k] - fdoc['mbox'] = new_mbox - fs[new_mbox][k] = fdoc - fs[old_mbox].pop(k) - self._dirty.add((new_mbox, k)) - - # Dump-to-disk controls. - - @property - def is_writing(self): - """ - Property that returns whether the store is currently writing its - internal state to a permanent storage. - - Used to evaluate whether the CHECK command can inform that the field - is clear to proceed, or waiting for the write operations to complete - is needed instead. - - :rtype: bool - """ - # FIXME this should return a deferred !!! - # XXX ----- can fire when all new + dirty deferreds - # are done (gatherResults) - return getattr(self, self.WRITING_FLAG) - - @property - def permanent_store(self): - return self._permanent_store - - # Memory management. - - def get_size(self): - """ - Return the size of the internal storage. - Use for calculating the limit beyond which we should flush the store. - - :rtype: int - """ - return reduce(lambda x, y: x + y, self._sizes, 0) diff --git a/src/leap/mail/imap/messageparts.py b/src/leap/mail/imap/messageparts.py deleted file mode 100644 index fb1d75a..0000000 --- a/src/leap/mail/imap/messageparts.py +++ /dev/null @@ -1,586 +0,0 @@ -# messageparts.py -# Copyright (C) 2014 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -""" -MessagePart implementation. Used from LeapMessage. -""" -import logging -import StringIO -import weakref - -from collections import namedtuple - -from enum import Enum -from zope.interface import implements -from twisted.mail import imap4 - -from leap.common.decorators import memoized_method -from leap.common.mail import get_email_charset -from leap.mail.imap import interfaces -from leap.mail.imap.fields import fields -from leap.mail.utils import empty, first, find_charset - -MessagePartType = Enum("MessagePartType", "hdoc fdoc cdoc cdocs docs_id") - - -logger = logging.getLogger(__name__) - - -""" -A MessagePartDoc is a light wrapper around the dictionary-like -data that we pass along for message parts. It can be used almost everywhere -that you would expect a SoledadDocument, since it has a dict under the -`content` attribute. - -We also keep some metadata on it, relative in part to the message as a whole, -and sometimes to a part in particular only. - -* `new` indicates that the document has just been created. SoledadStore - should just create a new doc for all the related message parts. -* `store` indicates the type of store a given MessagePartDoc lives in. - We currently use this to indicate that the document comes from memeory, - but we should probably get rid of it as soon as we extend the use of the - SoledadStore interface along LeapMessage, MessageCollection and Mailbox. -* `part` is one of the MessagePartType enums. - -* `dirty` indicates that, while we already have the document in Soledad, - we have modified its state in memory, so we need to put_doc instead while - dumping the MemoryStore contents. - `dirty` attribute would only apply to flags-docs and linkage-docs. -* `doc_id` is the identifier for the document in the u1db database, if any. - -""" - -MessagePartDoc = namedtuple( - 'MessagePartDoc', - ['new', 'dirty', 'part', 'store', 'content', 'doc_id']) - -""" -A RecentFlagsDoc is used to send the recent-flags document payload to the -SoledadWriter during dumps. -""" -RecentFlagsDoc = namedtuple( - 'RecentFlagsDoc', - ['content', 'doc_id']) - - -class ReferenciableDict(dict): - """ - A dict that can be weak-referenced. - - Some builtin objects are not weak-referenciable unless - subclassed. So we do. - - Used to return pointers to the items in the MemoryStore. - """ - - -class MessageWrapper(object): - """ - A simple nested dictionary container around the different message subparts. - """ - implements(interfaces.IMessageContainer) - - FDOC = "fdoc" - HDOC = "hdoc" - CDOCS = "cdocs" - DOCS_ID = "docs_id" - - # Using slots to limit some the memory use, - # Add your attribute here. - - __slots__ = ["_dict", "_new", "_dirty", "_storetype", "memstore"] - - def __init__(self, fdoc=None, hdoc=None, cdocs=None, - from_dict=None, memstore=None, - new=True, dirty=False, docs_id={}): - """ - Initialize a MessageWrapper. - """ - # TODO add optional reference to original message in the incoming - self._dict = {} - self.memstore = memstore - - self._new = new - self._dirty = dirty - - self._storetype = "mem" - - if from_dict is not None: - self.from_dict(from_dict) - else: - if fdoc is not None: - self._dict[self.FDOC] = ReferenciableDict(fdoc) - if hdoc is not None: - self._dict[self.HDOC] = ReferenciableDict(hdoc) - if cdocs is not None: - self._dict[self.CDOCS] = ReferenciableDict(cdocs) - - # This will keep references to the doc_ids to be able to put - # messages to soledad. It will be populated during the walk() to avoid - # the overhead of reading from the db. - - # XXX it really *only* make sense for the FDOC, the other parts - # should not be "dirty", just new...!!! - self._dict[self.DOCS_ID] = docs_id - - # properties - - # TODO Could refactor new and dirty properties together. - - def _get_new(self): - """ - Get the value for the `new` flag. - - :rtype: bool - """ - return self._new - - def _set_new(self, value=False): - """ - Set the value for the `new` flag, and propagate it - to the memory store if any. - - :param value: the value to set - :type value: bool - """ - self._new = value - if self.memstore: - mbox = self.fdoc.content.get('mbox', None) - uid = self.fdoc.content.get('uid', None) - if not mbox or not uid: - logger.warning("Malformed fdoc") - return - key = mbox, uid - fun = [self.memstore.unset_new_queued, - self.memstore.set_new_queued][int(value)] - fun(key) - else: - logger.warning("Could not find a memstore referenced from this " - "MessageWrapper. The value for new will not be " - "propagated") - - new = property(_get_new, _set_new, - doc="The `new` flag for this MessageWrapper") - - def _get_dirty(self): - """ - Get the value for the `dirty` flag. - - :rtype: bool - """ - return self._dirty - - def _set_dirty(self, value=True): - """ - Set the value for the `dirty` flag, and propagate it - to the memory store if any. - - :param value: the value to set - :type value: bool - """ - self._dirty = value - if self.memstore: - mbox = self.fdoc.content.get('mbox', None) - uid = self.fdoc.content.get('uid', None) - if not mbox or not uid: - logger.warning("Malformed fdoc") - return - key = mbox, uid - fun = [self.memstore.unset_dirty_queued, - self.memstore.set_dirty_queued][int(value)] - fun(key) - else: - logger.warning("Could not find a memstore referenced from this " - "MessageWrapper. The value for new will not be " - "propagated") - - dirty = property(_get_dirty, _set_dirty) - - # IMessageContainer - - @property - def fdoc(self): - """ - Return a MessagePartDoc wrapping around a weak reference to - the flags-document in this MemoryStore, if any. - - :rtype: MessagePartDoc - """ - _fdoc = self._dict.get(self.FDOC, None) - if _fdoc: - content_ref = weakref.proxy(_fdoc) - else: - logger.warning("NO FDOC!!!") - content_ref = {} - - return MessagePartDoc(new=self.new, dirty=self.dirty, - store=self._storetype, - part=MessagePartType.fdoc, - content=content_ref, - doc_id=self._dict[self.DOCS_ID].get( - self.FDOC, None)) - - @property - def hdoc(self): - """ - Return a MessagePartDoc wrapping around a weak reference to - the headers-document in this MemoryStore, if any. - - :rtype: MessagePartDoc - """ - _hdoc = self._dict.get(self.HDOC, None) - if _hdoc: - content_ref = weakref.proxy(_hdoc) - else: - content_ref = {} - return MessagePartDoc(new=self.new, dirty=self.dirty, - store=self._storetype, - part=MessagePartType.hdoc, - content=content_ref, - doc_id=self._dict[self.DOCS_ID].get( - self.HDOC, None)) - - @property - def cdocs(self): - """ - Return a weak reference to a zero-indexed dict containing - the content-documents, or an empty dict if none found. - If you want access to the MessagePartDoc for the individual - parts, use the generator returned by `walk` instead. - - :rtype: dict - """ - _cdocs = self._dict.get(self.CDOCS, None) - if _cdocs: - return weakref.proxy(_cdocs) - else: - return {} - - def walk(self): - """ - Generator that iterates through all the parts, returning - MessagePartDoc. Used for writing to SoledadStore. - - :rtype: generator - """ - if self._dirty: - try: - mbox = self.fdoc.content[fields.MBOX_KEY] - uid = self.fdoc.content[fields.UID_KEY] - docid_dict = self._dict[self.DOCS_ID] - docid_dict[self.FDOC] = self.memstore.get_docid_for_fdoc( - mbox, uid) - except Exception as exc: - logger.debug("Error while walking message...") - logger.exception(exc) - - if not empty(self.fdoc.content) and 'uid' in self.fdoc.content: - yield self.fdoc - if not empty(self.hdoc.content): - yield self.hdoc - for cdoc in self.cdocs.values(): - if not empty(cdoc): - content_ref = weakref.proxy(cdoc) - yield MessagePartDoc(new=self.new, dirty=self.dirty, - store=self._storetype, - part=MessagePartType.cdoc, - content=content_ref, - doc_id=None) - - # i/o - - def as_dict(self): - """ - Return a dict representation of the parts contained. - - :rtype: dict - """ - return self._dict - - def from_dict(self, msg_dict): - """ - Populate MessageWrapper parts from a dictionary. - It expects the same format that we use in a - MessageWrapper. - - - :param msg_dict: a dictionary containing the parts to populate - the MessageWrapper from - :type msg_dict: dict - """ - fdoc, hdoc, cdocs = map( - lambda part: msg_dict.get(part, None), - [self.FDOC, self.HDOC, self.CDOCS]) - - for t, doc in ((self.FDOC, fdoc), (self.HDOC, hdoc), - (self.CDOCS, cdocs)): - self._dict[t] = ReferenciableDict(doc) if doc else None - - -class MessagePart(object): - """ - IMessagePart implementor, to be passed to several methods - of the IMAP4Server. - It takes a subpart message and is able to find - the inner parts. - - See the interface documentation. - """ - - implements(imap4.IMessagePart) - - def __init__(self, soledad, part_map): - """ - Initializes the MessagePart. - - :param soledad: Soledad instance. - :type soledad: Soledad - :param part_map: a dictionary containing the parts map for this - message - :type part_map: dict - """ - # TODO - # It would be good to pass the uid/mailbox also - # for references while debugging. - - # We have a problem on bulk moves, and is - # that when the fetch on the new mailbox is done - # the parts maybe are not complete. - # So we should be able to fail with empty - # docs until we solve that. The ideal would be - # to gather the results of the deferred operations - # to signal the operation is complete. - #leap_assert(part_map, "part map dict cannot be null") - - self._soledad = soledad - self._pmap = part_map - - def getSize(self): - """ - Return the total size, in octets, of this message part. - - :return: size of the message, in octets - :rtype: int - """ - if empty(self._pmap): - return 0 - size = self._pmap.get('size', None) - if size is None: - logger.error("Message part cannot find size in the partmap") - size = 0 - return size - - def getBodyFile(self): - """ - Retrieve a file object containing only the body of this message. - - :return: file-like object opened for reading - :rtype: StringIO - """ - fd = StringIO.StringIO() - if not empty(self._pmap): - multi = self._pmap.get('multi') - if not multi: - phash = self._pmap.get("phash", None) - else: - pmap = self._pmap.get('part_map') - first_part = pmap.get('1', None) - if not empty(first_part): - phash = first_part['phash'] - else: - phash = None - - if phash is None: - logger.warning("Could not find phash for this subpart!") - payload = "" - else: - payload = self._get_payload_from_document_memoized(phash) - if empty(payload): - payload = self._get_payload_from_document(phash) - - else: - logger.warning("Message with no part_map!") - payload = "" - - if payload: - content_type = self._get_ctype_from_document(phash) - charset = find_charset(content_type) - if charset is None: - charset = self._get_charset(payload) - try: - if isinstance(payload, unicode): - payload = payload.encode(charset) - except UnicodeError as exc: - logger.error( - "Unicode error, using 'replace'. {0!r}".format(exc)) - payload = payload.encode(charset, 'replace') - - fd.write(payload) - fd.seek(0) - return fd - - # TODO should memory-bound this memoize!!! - @memoized_method - def _get_payload_from_document_memoized(self, phash): - """ - Memoized method call around the regular method, to be able - to call the non-memoized method in case we got a None. - - :param phash: the payload hash to retrieve by. - :type phash: str or unicode - :rtype: str or unicode or None - """ - return self._get_payload_from_document(phash) - - def _get_payload_from_document(self, phash): - """ - Return the message payload from the content document. - - :param phash: the payload hash to retrieve by. - :type phash: str or unicode - :rtype: str or unicode or None - """ - cdocs = self._soledad.get_from_index( - fields.TYPE_P_HASH_IDX, - fields.TYPE_CONTENT_VAL, str(phash)) - - cdoc = first(cdocs) - if cdoc is None: - logger.warning( - "Could not find the content doc " - "for phash %s" % (phash,)) - payload = "" - else: - payload = cdoc.content.get(fields.RAW_KEY, "") - return payload - - # TODO should memory-bound this memoize!!! - @memoized_method - def _get_ctype_from_document(self, phash): - """ - Reeturn the content-type from the content document. - - :param phash: the payload hash to retrieve by. - :type phash: str or unicode - :rtype: str or unicode - """ - cdocs = self._soledad.get_from_index( - fields.TYPE_P_HASH_IDX, - fields.TYPE_CONTENT_VAL, str(phash)) - - cdoc = first(cdocs) - if not cdoc: - logger.warning( - "Could not find the content doc " - "for phash %s" % (phash,)) - ctype = cdoc.content.get('ctype', "") - return ctype - - @memoized_method - def _get_charset(self, stuff): - # TODO put in a common class with LeapMessage - """ - Gets (guesses?) the charset of a payload. - - :param stuff: the stuff to guess about. - :type stuff: str or unicode - :return: charset - :rtype: unicode - """ - # XXX existential doubt 2. shouldn't we make the scope - # of the decorator somewhat more persistent? - # ah! yes! and put memory bounds. - return get_email_charset(stuff) - - def getHeaders(self, negate, *names): - """ - Retrieve a group of message headers. - - :param names: The names of the headers to retrieve or omit. - :type names: tuple of str - - :param negate: If True, indicates that the headers listed in names - should be omitted from the return value, rather - than included. - :type negate: bool - - :return: A mapping of header field names to header field values - :rtype: dict - """ - # XXX refactor together with MessagePart method - if not self._pmap: - logger.warning("No pmap in Subpart!") - return {} - headers = dict(self._pmap.get("headers", [])) - - names = map(lambda s: s.upper(), names) - if negate: - cond = lambda key: key.upper() not in names - else: - cond = lambda key: key.upper() in names - - # default to most likely standard - charset = find_charset(headers, "utf-8") - headers2 = dict() - for key, value in headers.items(): - # twisted imap server expects *some* headers to be lowercase - # We could use a CaseInsensitiveDict here... - if key.lower() == "content-type": - key = key.lower() - - if not isinstance(key, str): - key = key.encode(charset, 'replace') - if not isinstance(value, str): - value = value.encode(charset, 'replace') - - # filter original dict by negate-condition - if cond(key): - headers2[key] = value - return headers2 - - def isMultipart(self): - """ - Return True if this message is multipart. - """ - if empty(self._pmap): - logger.warning("Could not get part map!") - return False - multi = self._pmap.get("multi", False) - return multi - - def getSubPart(self, part): - """ - Retrieve a MIME submessage - - :type part: C{int} - :param part: The number of the part to retrieve, indexed from 0. - :raise IndexError: Raised if the specified part does not exist. - :raise TypeError: Raised if this message is not multipart. - :rtype: Any object implementing C{IMessagePart}. - :return: The specified sub-part. - """ - if not self.isMultipart(): - raise TypeError - - sub_pmap = self._pmap.get("part_map", {}) - try: - part_map = sub_pmap[str(part + 1)] - except KeyError: - logger.debug("getSubpart for %s: KeyError" % (part,)) - raise IndexError - - # XXX check for validity - return MessagePart(self._soledad, part_map) diff --git a/src/leap/mail/imap/messages.py b/src/leap/mail/imap/messages.py index 0356600..d1c7b93 100644 --- a/src/leap/mail/imap/messages.py +++ b/src/leap/mail/imap/messages.py @@ -1,6 +1,6 @@ # -*- coding: utf-8 -*- -# messages.py -# Copyright (C) 2013 LEAP +# imap/messages.py +# Copyright (C) 2013-2015 LEAP # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -15,189 +15,62 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """ -LeapMessage and MessageCollection. +IMAPMessage implementation. """ -import copy import logging -import re -import threading -import StringIO - -from collections import defaultdict -from email import message_from_string -from functools import partial - -from pycryptopp.hash import sha256 from twisted.mail import imap4 from twisted.internet import defer from zope.interface import implements -from zope.proxy import sameProxiedObjects - -from leap.common.check import leap_assert, leap_assert_type -from leap.common.decorators import memoized_method -from leap.common.mail import get_email_charset -from leap.mail import walk -from leap.mail.utils import first, find_charset, lowerdict, empty -from leap.mail.utils import stringify_parts_map -from leap.mail.decorators import deferred_to_thread -from leap.mail.imap.index import IndexedDB -from leap.mail.imap.fields import fields, WithMsgFields -from leap.mail.imap.memorystore import MessageWrapper -from leap.mail.imap.messageparts import MessagePart, MessagePartDoc -from leap.mail.imap.parser import MBoxParser - -logger = logging.getLogger(__name__) - -# TODO ------------------------------------------------------------ - -# [ ] Add ref to incoming message during add_msg -# [ ] Add linked-from info. -# * Need a new type of documents: linkage info. -# * HDOCS are linked from FDOCs (ref to chash) -# * CDOCS are linked from HDOCS (ref to chash) - -# [ ] Delete incoming mail only after successful write! -# [ ] Remove UID from syncable db. Store only those indexes locally. - -MSGID_PATTERN = r"""<([\w@.]+)>""" -MSGID_RE = re.compile(MSGID_PATTERN) - -def try_unique_query(curried): - """ - Try to execute a query that is expected to have a - single outcome, and log a warning if more than one document found. +from leap.mail.utils import find_charset, CaseInsensitiveDict - :param curried: a curried function - :type curried: callable - """ - leap_assert(callable(curried), "A callable is expected") - try: - query = curried() - if query: - if len(query) > 1: - # TODO we could take action, like trigger a background - # process to kill dupes. - name = getattr(curried, 'expected', 'doc') - logger.warning( - "More than one %s found for this mbox, " - "we got a duplicate!!" % (name,)) - return query.pop() - else: - return None - except Exception as exc: - logger.exception("Unhandled error %r" % exc) +logger = logging.getLogger(__name__) -""" -A dictionary that keeps one lock per mbox and uid. -""" -# XXX too much overhead? -fdoc_locks = defaultdict(lambda: defaultdict(lambda: threading.Lock())) +# TODO +# [ ] Add ref to incoming message during add_msg. -class LeapMessage(fields, MBoxParser): +class IMAPMessage(object): """ - The main representation of a message. - - It indexes the messages in one mailbox by a combination - of uid+mailbox name. + The main representation of a message as seen by the IMAP Server. + This class implements the semantics specific to IMAP specification. """ - - # TODO this has to change. - # Should index primarily by chash, and keep a local-only - # UID table. - implements(imap4.IMessage) - def __init__(self, soledad, uid, mbox, collection=None, container=None): - """ - Initializes a LeapMessage. - - :param soledad: a Soledad instance - :type soledad: Soledad - :param uid: the UID for the message. - :type uid: int or basestring - :param mbox: the mbox this message belongs to - :type mbox: str or unicode - :param collection: a reference to the parent collection object - :type collection: MessageCollection - :param container: a IMessageContainer implementor instance - :type container: IMessageContainer + def __init__(self, message, prefetch_body=True, + store=None, d=defer.Deferred()): """ - self._soledad = soledad - self._uid = int(uid) if uid is not None else None - self._mbox = self._parse_mailbox_name(mbox) - self._collection = collection - self._container = container + Get an IMAPMessage. A mail.Message is needed, since many of the methods + are proxied to that object. - self.__chash = None - self.__bdoc = None - from twisted.internet import reactor - self.reactor = reactor + If you do not need to prefetch the body of the message, you can set + `prefetch_body` to False, but the current imap server implementation + expect the getBodyFile method to return inmediately. - # XXX make these properties public + When the prefetch_body option is used, a deferred is also expected as a + parameter, and this will fire when the deferred initialization has + taken place, with this instance of IMAPMessage as a parameter. - @property - def fdoc(self): + :param message: the abstract message + :type message: mail.Message + :param prefetch_body: Whether to prefetch the content doc for the body. + :type prefetch_body: bool + :param store: an instance of soledad, or anything that behaves like it. + :param d: an optional deferred, that will be fired with the instance of + the IMAPMessage being initialized + :type d: defer.Deferred """ - An accessor to the flags document. - """ - if all(map(bool, (self._uid, self._mbox))): - fdoc = None - if self._container is not None: - fdoc = self._container.fdoc - if not fdoc: - fdoc = self._get_flags_doc() - if fdoc: - fdoc_content = fdoc.content - self.__chash = fdoc_content.get( - fields.CONTENT_HASH_KEY, None) - return fdoc - - @property - def hdoc(self): - """ - An accessor to the headers document. - """ - container = self._container - if container is not None: - hdoc = self._container.hdoc - if hdoc and not empty(hdoc.content): - return hdoc - hdoc = self._get_headers_doc() - - if container and not empty(hdoc.content): - # mem-cache it - hdoc_content = hdoc.content - chash = hdoc_content.get(fields.CONTENT_HASH_KEY) - hdocs = {chash: hdoc_content} - container.memstore.load_header_docs(hdocs) - return hdoc + # TODO substitute the use of the deferred initialization by a factory + # function, maybe. - @property - def chash(self): - """ - An accessor to the content hash for this message. - """ - if not self.fdoc: - return None - if not self.__chash and self.fdoc: - self.__chash = self.fdoc.content.get( - fields.CONTENT_HASH_KEY, None) - return self.__chash - - @property - def bdoc(self): - """ - An accessor to the body document. - """ - if not self.hdoc: - return None - if not self.__bdoc: - self.__bdoc = self._get_body_doc() - return self.__bdoc + self.message = message + self.__body_fd = None + self.store = store + if prefetch_body: + gotbody = self.__prefetch_body_file() + gotbody.addCallback(lambda _: d.callback(self)) # IMessage implementation @@ -208,7 +81,7 @@ class LeapMessage(fields, MBoxParser): :return: uid for this message :rtype: int """ - return self._uid + return self.message.get_uid() def getFlags(self): """ @@ -217,62 +90,7 @@ class LeapMessage(fields, MBoxParser): :return: The flags, represented as strings :rtype: tuple """ - uid = self._uid - - flags = set([]) - fdoc = self.fdoc - if fdoc: - flags = set(fdoc.content.get(self.FLAGS_KEY, None)) - - msgcol = self._collection - - # We treat the recent flag specially: gotten from - # a mailbox-level document. - if msgcol and uid in msgcol.recent_flags: - flags.add(fields.RECENT_FLAG) - if flags: - flags = map(str, flags) - return tuple(flags) - - # setFlags not in the interface spec but we use it with store command. - - def setFlags(self, flags, mode): - """ - Sets the flags for this message - - :param flags: the flags to update in the message. - :type flags: tuple of str - :param mode: the mode for setting. 1 is append, -1 is remove, 0 set. - :type mode: int - """ - leap_assert(isinstance(flags, tuple), "flags need to be a tuple") - mbox, uid = self._mbox, self._uid - - APPEND = 1 - REMOVE = -1 - SET = 0 - - with fdoc_locks[mbox][uid]: - doc = self.fdoc - if not doc: - logger.warning( - "Could not find FDOC for %r:%s while setting flags!" % - (mbox, uid)) - return - current = doc.content[self.FLAGS_KEY] - if mode == APPEND: - newflags = tuple(set(tuple(current) + flags)) - elif mode == REMOVE: - newflags = tuple(set(current).difference(set(flags))) - elif mode == SET: - newflags = flags - new_fdoc = { - self.FLAGS_KEY: newflags, - self.SEEN_KEY: self.SEEN_FLAG in newflags, - self.DEL_KEY: self.DELETED_FLAG in newflags} - self._collection.memstore.update_flags(mbox, uid, new_fdoc) - - return map(str, newflags) + return self.message.get_flags() def getInternalDate(self): """ @@ -289,72 +107,27 @@ class LeapMessage(fields, MBoxParser): :return: An RFC822-formatted date string. :rtype: str """ - date = self.hdoc.content.get(fields.DATE_KEY, '') - return date + return self.message.get_internal_date() # # IMessagePart # - # XXX we should implement this interface too for the subparts - # so we allow nested parts... - - def getBodyFile(self): + def getBodyFile(self, store=None): """ Retrieve a file object containing only the body of this message. :return: file-like object opened for reading - :rtype: StringIO + :rtype: a deferred that will fire with a StringIO object. """ - def write_fd(body): - fd.write(body) + if self.__body_fd is not None: + fd = self.__body_fd fd.seek(0) return fd - # TODO refactor with getBodyFile in MessagePart - - fd = StringIO.StringIO() - - if self.bdoc is not None: - bdoc_content = self.bdoc.content - if empty(bdoc_content): - logger.warning("No BDOC content found for message!!!") - return write_fd("") - - body = bdoc_content.get(self.RAW_KEY, "") - content_type = bdoc_content.get('content-type', "") - charset = find_charset(content_type) - if charset is None: - charset = self._get_charset(body) - try: - if isinstance(body, unicode): - body = body.encode(charset) - except UnicodeError as exc: - logger.error( - "Unicode error, using 'replace'. {0!r}".format(exc)) - logger.debug("Attempted to encode with: %s" % charset) - body = body.encode(charset, 'replace') - finally: - return write_fd(body) - - # We are still returning funky characters from here. - else: - logger.warning("No BDOC found for message.") - return write_fd("") - - @memoized_method - def _get_charset(self, stuff): - """ - Gets (guesses?) the charset of a payload. - - :param stuff: the stuff to guess about. - :type stuff: basestring - :returns: charset - """ - # XXX shouldn't we make the scope - # of the decorator somewhat more persistent? - # ah! yes! and put memory bounds. - return get_email_charset(stuff) + if store is None: + store = self.store + return self.message.get_body_file(store) def getSize(self): """ @@ -363,17 +136,7 @@ class LeapMessage(fields, MBoxParser): :return: size of the message, in octets :rtype: int """ - size = None - if self.fdoc is not None: - fdoc_content = self.fdoc.content - size = fdoc_content.get(self.SIZE_KEY, False) - else: - logger.warning("No FLAGS doc for %s:%s" % (self._mbox, - self._uid)) - if not size: - # XXX fallback, should remove when all migrated. - size = self.getBodyFile().len - return size + return self.message.get_size() def getHeaders(self, negate, *names): """ @@ -390,74 +153,14 @@ class LeapMessage(fields, MBoxParser): :return: A mapping of header field names to header field values :rtype: dict """ - # TODO split in smaller methods - # XXX refactor together with MessagePart method - - headers = self._get_headers() - if not headers: - logger.warning("No headers found") - return {str('content-type'): str('')} - - names = map(lambda s: s.upper(), names) - if negate: - cond = lambda key: key.upper() not in names - else: - cond = lambda key: key.upper() in names - - if isinstance(headers, list): - headers = dict(headers) - - # default to most likely standard - charset = find_charset(headers, "utf-8") - headers2 = dict() - for key, value in headers.items(): - # twisted imap server expects *some* headers to be lowercase - # We could use a CaseInsensitiveDict here... - if key.lower() == "content-type": - key = key.lower() - - if not isinstance(key, str): - key = key.encode(charset, 'replace') - if not isinstance(value, str): - value = value.encode(charset, 'replace') - - if value.endswith(";"): - # bastards - value = value[:-1] - - # filter original dict by negate-condition - if cond(key): - headers2[key] = value - return headers2 - - def _get_headers(self): - """ - Return the headers dict for this message. - """ - if self.hdoc is not None: - hdoc_content = self.hdoc.content - headers = hdoc_content.get(self.HEADERS_KEY, {}) - return headers - - else: - logger.warning( - "No HEADERS doc for msg %s:%s" % ( - self._mbox, - self._uid)) + headers = self.message.get_headers() + return _format_headers(headers, negate, *names) def isMultipart(self): """ Return True if this message is multipart. """ - if self.fdoc: - fdoc_content = self.fdoc.content - is_multipart = fdoc_content.get(self.MULTIPART_KEY, False) - return is_multipart - else: - logger.warning( - "No FLAGS doc for msg %s:%s" % ( - self._mbox, - self._uid)) + return self.message.is_multipart() def getSubPart(self, part): """ @@ -470,913 +173,82 @@ class LeapMessage(fields, MBoxParser): :rtype: Any object implementing C{IMessagePart}. :return: The specified sub-part. """ - if not self.isMultipart(): - raise TypeError - try: - pmap_dict = self._get_part_from_parts_map(part + 1) - except KeyError: - raise IndexError - return MessagePart(self._soledad, pmap_dict) - - # - # accessors - # - - def _get_part_from_parts_map(self, part): - """ - Get a part map from the headers doc - - :raises: KeyError if key does not exist - :rtype: dict - """ - if not self.hdoc: - logger.warning("Tried to get part but no HDOC found!") - return None - - hdoc_content = self.hdoc.content - pmap = hdoc_content.get(fields.PARTS_MAP_KEY, {}) - - # remember, lads, soledad is using strings in its keys, - # not integers! - return pmap[str(part)] - - # XXX moved to memory store - # move the rest too. ------------------------------------------ - def _get_flags_doc(self): - """ - Return the document that keeps the flags for this - message. - """ - result = {} - try: - flag_docs = self._soledad.get_from_index( - fields.TYPE_MBOX_UID_IDX, - fields.TYPE_FLAGS_VAL, self._mbox, str(self._uid)) - result = first(flag_docs) - except Exception as exc: - # ugh! Something's broken down there! - logger.warning("ERROR while getting flags for UID: %s" % self._uid) - logger.exception(exc) - finally: - return result - - # TODO move to soledadstore instead of accessing soledad directly - def _get_headers_doc(self): - """ - Return the document that keeps the headers for this - message. - """ - head_docs = self._soledad.get_from_index( - fields.TYPE_C_HASH_IDX, - fields.TYPE_HEADERS_VAL, str(self.chash)) - return first(head_docs) - - # TODO move to soledadstore instead of accessing soledad directly - def _get_body_doc(self): - """ - Return the document that keeps the body for this - message. - """ - hdoc_content = self.hdoc.content - body_phash = hdoc_content.get( - fields.BODY_KEY, None) - if not body_phash: - logger.warning("No body phash for this document!") - return None - - # XXX get from memstore too... - # if memstore: memstore.get_phrash - # memstore should keep a dict with weakrefs to the - # phash doc... - - if self._container is not None: - bdoc = self._container.memstore.get_cdoc_from_phash(body_phash) - if not empty(bdoc) and not empty(bdoc.content): - return bdoc - - # no memstore, or no body doc found there - if self._soledad: - body_docs = self._soledad.get_from_index( - fields.TYPE_P_HASH_IDX, - fields.TYPE_CONTENT_VAL, str(body_phash)) - return first(body_docs) - else: - logger.error("No phash in container, and no soledad found!") - - def __getitem__(self, key): - """ - Return an item from the content of the flags document, - for convenience. - - :param key: The key - :type key: str - - :return: The content value indexed by C{key} or None - :rtype: str - """ - return self.fdoc.content.get(key, None) - - def does_exist(self): - """ - Return True if there is actually a flags document for this - UID and mbox. - """ - return not empty(self.fdoc) - - -class MessageCollection(WithMsgFields, IndexedDB, MBoxParser): - """ - A collection of messages, surprisingly. - - It is tied to a selected mailbox name that is passed to its constructor. - Implements a filter query over the messages contained in a soledad - database. - """ - - # XXX this should be able to produce a MessageSet methinks - # could validate these kinds of objects turning them - # into a template for the class. - FLAGS_DOC = "FLAGS" - HEADERS_DOC = "HEADERS" - CONTENT_DOC = "CONTENT" - """ - RECENT_DOC is a document that stores a list of the UIDs - with the recent flag for this mailbox. It deserves a special treatment - because: - (1) it cannot be set by the user - (2) it's a flag that we set inmediately after a fetch, which is quite - often. - (3) we need to be able to set/unset it in batches without doing a single - write for each element in the sequence. - """ - RECENT_DOC = "RECENT" - """ - HDOCS_SET_DOC is a document that stores a set of the Document-IDs - (the u1db index) for all the headers documents for a given mailbox. - We use it to prefetch massively all the headers for a mailbox. - This is the second massive query, after fetching all the FLAGS, that - a MUA will do in a case where we do not have local disk cache. - """ - HDOCS_SET_DOC = "HDOCS_SET" - - templates = { - - # Message Level - - FLAGS_DOC: { - fields.TYPE_KEY: fields.TYPE_FLAGS_VAL, - fields.UID_KEY: 1, # XXX moe to a local table - fields.MBOX_KEY: fields.INBOX_VAL, - fields.CONTENT_HASH_KEY: "", - - fields.SEEN_KEY: False, - fields.DEL_KEY: False, - fields.FLAGS_KEY: [], - fields.MULTIPART_KEY: False, - fields.SIZE_KEY: 0 - }, - - HEADERS_DOC: { - fields.TYPE_KEY: fields.TYPE_HEADERS_VAL, - fields.CONTENT_HASH_KEY: "", - - fields.DATE_KEY: "", - fields.SUBJECT_KEY: "", - - fields.HEADERS_KEY: {}, - fields.PARTS_MAP_KEY: {}, - }, - - CONTENT_DOC: { - fields.TYPE_KEY: fields.TYPE_CONTENT_VAL, - fields.PAYLOAD_HASH_KEY: "", - fields.LINKED_FROM_KEY: [], - fields.CTYPE_KEY: "", # should index by this too - - # should only get inmutable headers parts - # (for indexing) - fields.HEADERS_KEY: {}, - fields.RAW_KEY: "", - fields.PARTS_MAP_KEY: {}, - fields.HEADERS_KEY: {}, - fields.MULTIPART_KEY: False, - }, - - # Mailbox Level - - RECENT_DOC: { - fields.TYPE_KEY: fields.TYPE_RECENT_VAL, - fields.MBOX_KEY: fields.INBOX_VAL, - fields.RECENTFLAGS_KEY: [], - }, - - HDOCS_SET_DOC: { - fields.TYPE_KEY: fields.TYPE_HDOCS_SET_VAL, - fields.MBOX_KEY: fields.INBOX_VAL, - fields.HDOCS_SET_KEY: [], - } - - - } - - # Different locks for wrapping both the u1db document getting/setting - # and the property getting/settting in an atomic operation. - - # TODO we would abstract this to a SoledadProperty class - - _rdoc_lock = defaultdict(lambda: threading.Lock()) - _rdoc_write_lock = defaultdict(lambda: threading.Lock()) - _rdoc_read_lock = defaultdict(lambda: threading.Lock()) - _rdoc_property_lock = defaultdict(lambda: threading.Lock()) - - _initialized = {} - - def __init__(self, mbox=None, soledad=None, memstore=None): - """ - Constructor for MessageCollection. - - On initialization, we ensure that we have a document for - storing the recent flags. The nature of this flag make us wanting - to store the set of the UIDs with this flag at the level of the - MessageCollection for each mailbox, instead of treating them - as a property of each message. - - We are passed an instance of MemoryStore, the same for the - SoledadBackedAccount, that we use as a read cache and a buffer - for writes. - - :param mbox: the name of the mailbox. It is the name - with which we filter the query over the - messages database. - :type mbox: str - :param soledad: Soledad database - :type soledad: Soledad instance - :param memstore: a MemoryStore instance - :type memstore: MemoryStore - """ - leap_assert(mbox, "Need a mailbox name to initialize") - leap_assert(mbox.strip() != "", "mbox cannot be blank space") - leap_assert(isinstance(mbox, (str, unicode)), - "mbox needs to be a string") - leap_assert(soledad, "Need a soledad instance to initialize") - - # okay, all in order, keep going... - - self.mbox = self._parse_mailbox_name(mbox) - - # XXX get a SoledadStore passed instead - self._soledad = soledad - self.memstore = memstore - - self.__rflags = None - - if not self._initialized.get(mbox, False): - try: - self.initialize_db() - # ensure that we have a recent-flags doc - self._get_or_create_rdoc() - except Exception: - logger.debug("Error initializing %r" % (mbox,)) - else: - self._initialized[mbox] = True - - from twisted.internet import reactor - self.reactor = reactor - - def _get_empty_doc(self, _type=FLAGS_DOC): - """ - Returns an empty doc for storing different message parts. - Defaults to returning a template for a flags document. - :return: a dict with the template - :rtype: dict - """ - if _type not in self.templates.keys(): - raise TypeError("Improper type passed to _get_empty_doc") - return copy.deepcopy(self.templates[_type]) - - def _get_or_create_rdoc(self): - """ - Try to retrieve the recent-flags doc for this MessageCollection, - and create one if not found. - """ - # XXX should move this to memstore too - with self._rdoc_write_lock[self.mbox]: - rdoc = self._get_recent_doc_from_soledad() - if rdoc is None: - rdoc = self._get_empty_doc(self.RECENT_DOC) - if self.mbox != fields.INBOX_VAL: - rdoc[fields.MBOX_KEY] = self.mbox - self._soledad.create_doc(rdoc) - - @deferred_to_thread - def _do_parse(self, raw): - """ - Parse raw message and return it along with - relevant information about its outer level. - - This is done in a separate thread, and the callback is passed - to `_do_add_msg` method. - - :param raw: the raw message - :type raw: StringIO or basestring - :return: msg, parts, chash, size, multi - :rtype: tuple - """ - msg = message_from_string(raw) - parts = walk.get_parts(msg) - size = len(raw) - chash = sha256.SHA256(raw).hexdigest() - multi = msg.is_multipart() - return msg, parts, chash, size, multi - - def _populate_flags(self, flags, uid, chash, size, multi): - """ - Return a flags doc. - - XXX Missing DOC ----------- - """ - fd = self._get_empty_doc(self.FLAGS_DOC) - - fd[self.MBOX_KEY] = self.mbox - fd[self.UID_KEY] = uid - fd[self.CONTENT_HASH_KEY] = chash - fd[self.SIZE_KEY] = size - fd[self.MULTIPART_KEY] = multi - if flags: - fd[self.FLAGS_KEY] = flags - fd[self.SEEN_KEY] = self.SEEN_FLAG in flags - fd[self.DEL_KEY] = self.DELETED_FLAG in flags - fd[self.RECENT_KEY] = True # set always by default - return fd - - def _populate_headr(self, msg, chash, subject, date): - """ - Return a headers doc. - - XXX Missing DOC ----------- - """ - headers = defaultdict(list) - for k, v in msg.items(): - headers[k].append(v) - - # "fix" for repeated headers. - for k, v in headers.items(): - newline = "\n%s: " % (k,) - headers[k] = newline.join(v) + subpart = self.message.get_subpart(part + 1) + return IMAPMessagePart(subpart) - lower_headers = lowerdict(headers) - msgid = first(MSGID_RE.findall( - lower_headers.get('message-id', ''))) - - hd = self._get_empty_doc(self.HEADERS_DOC) - hd[self.CONTENT_HASH_KEY] = chash - hd[self.HEADERS_KEY] = headers - hd[self.MSGID_KEY] = msgid - - if not subject and self.SUBJECT_FIELD in headers: - hd[self.SUBJECT_KEY] = headers[self.SUBJECT_FIELD] - else: - hd[self.SUBJECT_KEY] = subject - - if not date and self.DATE_FIELD in headers: - hd[self.DATE_KEY] = headers[self.DATE_FIELD] - else: - hd[self.DATE_KEY] = date - return hd - - def _fdoc_already_exists(self, chash): - """ - Check whether we can find a flags doc for this mailbox with the - given content-hash. It enforces that we can only have the same maessage - listed once for a a given mailbox. - - :param chash: the content-hash to check about. - :type chash: basestring - :return: False, if it does not exist, or UID. - """ - exist = False - exist = self.memstore.get_fdoc_from_chash(chash, self.mbox) - - if not exist: - exist = self._get_fdoc_from_chash(chash) - if exist and exist.content is not None: - return exist.content.get(fields.UID_KEY, "unknown-uid") - else: - return False - - def add_msg(self, raw, subject=None, flags=None, date=None, - notify_on_disk=False): - """ - Creates a new message document. - - :param raw: the raw message - :type raw: str - - :param subject: subject of the message. - :type subject: str - - :param flags: flags - :type flags: list - - :param date: the received date for the message - :type date: str - - :return: a deferred that will be fired with the message - uid when the adding succeed. - :rtype: deferred - """ - if flags is None: - flags = tuple() - leap_assert_type(flags, tuple) - - observer = defer.Deferred() - d = self._do_parse(raw) - d.addCallback(lambda result: self.reactor.callInThread( - self._do_add_msg, result, flags, subject, date, - notify_on_disk, observer)) - return observer - - # Called in thread - def _do_add_msg(self, parse_result, flags, subject, - date, notify_on_disk, observer): - """ - Helper that creates a new message document. - Here lives the magic of the leap mail. Well, in soledad, really. - - See `add_msg` docstring for parameter info. - - :param parse_result: a tuple with the results of `self._do_parse` - :type parse_result: tuple - :param observer: a deferred that will be fired with the message - uid when the adding succeed. - :type observer: deferred - """ - # TODO signal that we can delete the original message!----- - # when all the processing is done. - - # TODO add the linked-from info ! - # TODO add reference to the original message - - msg, parts, chash, size, multi = parse_result - - # check for uniqueness -------------------------------- - # Watch out! We're reserving a UID right after this! - existing_uid = self._fdoc_already_exists(chash) - if existing_uid: - msg = self.get_msg_by_uid(existing_uid) - - # We can say the observer that we're done - self.reactor.callFromThread(observer.callback, existing_uid) - msg.setFlags((fields.DELETED_FLAG,), -1) - return - - # XXX get FUCKING UID from autoincremental table - uid = self.memstore.increment_last_soledad_uid(self.mbox) - - # We can say the observer that we're done at this point, but - # before that we should make sure it has no serious consequences - # if we're issued, for instance, a fetch command right after... - # self.reactor.callFromThread(observer.callback, uid) - # if we did the notify, we need to invalidate the deferred - # so not to try to fire it twice. - # observer = None - - fd = self._populate_flags(flags, uid, chash, size, multi) - hd = self._populate_headr(msg, chash, subject, date) - - body_phash_fun = [walk.get_body_phash_simple, - walk.get_body_phash_multi][int(multi)] - body_phash = body_phash_fun(walk.get_payloads(msg)) - parts_map = walk.walk_msg_tree(parts, body_phash=body_phash) - - # add parts map to header doc - # (body, multi, part_map) - for key in parts_map: - hd[key] = parts_map[key] - del parts_map - - hd = stringify_parts_map(hd) - - # The MessageContainer expects a dict, one-indexed - cdocs = dict(enumerate(walk.get_raw_docs(msg, parts), 1)) - - self.set_recent_flag(uid) - msg_container = MessageWrapper(fd, hd, cdocs) - self.memstore.create_message( - self.mbox, uid, msg_container, - observer=observer, notify_on_disk=notify_on_disk) - - # - # getters: specific queries - # - - # recent flags - - def _get_recent_flags(self): - """ - An accessor for the recent-flags set for this mailbox. - """ - # XXX check if we should remove this - if self.__rflags is not None: - return self.__rflags - - if self.memstore is not None: - with self._rdoc_lock[self.mbox]: - rflags = self.memstore.get_recent_flags(self.mbox) - if not rflags: - # not loaded in the memory store yet. - # let's fetch them from soledad... - rdoc = self._get_recent_doc_from_soledad() - if rdoc is None: - return set([]) - rflags = set(rdoc.content.get( - fields.RECENTFLAGS_KEY, [])) - # ...and cache them now. - self.memstore.load_recent_flags( - self.mbox, - {'doc_id': rdoc.doc_id, 'set': rflags}) - return rflags - - def _set_recent_flags(self, value): - """ - Setter for the recent-flags set for this mailbox. - """ - if self.memstore is not None: - self.memstore.set_recent_flags(self.mbox, value) - - recent_flags = property( - _get_recent_flags, _set_recent_flags, - doc="Set of UIDs with the recent flag for this mailbox.") - - def _get_recent_doc_from_soledad(self): - """ - Get recent-flags document from Soledad for this mailbox. - :rtype: SoledadDocument or None - """ - curried = partial( - self._soledad.get_from_index, - fields.TYPE_MBOX_IDX, - fields.TYPE_RECENT_VAL, self.mbox) - curried.expected = "rdoc" - with self._rdoc_read_lock[self.mbox]: - return try_unique_query(curried) - - # Property-set modification (protected by a different - # lock to give atomicity to the read/write operation) - - def unset_recent_flags(self, uids): - """ - Unset Recent flag for a sequence of uids. - - :param uids: the uids to unset - :type uid: sequence - """ - with self._rdoc_property_lock[self.mbox]: - self.recent_flags.difference_update( - set(uids)) - - # Individual flags operations - - def unset_recent_flag(self, uid): - """ - Unset Recent flag for a given uid. - - :param uid: the uid to unset - :type uid: int - """ - with self._rdoc_property_lock[self.mbox]: - self.recent_flags.difference_update( - set([uid])) - - @deferred_to_thread - def set_recent_flag(self, uid): - """ - Set Recent flag for a given uid. - - :param uid: the uid to set - :type uid: int - """ - with self._rdoc_property_lock[self.mbox]: - self.recent_flags = self.recent_flags.union( - set([uid])) - - # individual doc getters, message layer. - - def _get_fdoc_from_chash(self, chash): - """ - Return a flags document for this mailbox with a given chash. - - :return: A SoledadDocument containing the Flags Document, or None if - the query failed. - :rtype: SoledadDocument or None. - """ - curried = partial( - self._soledad.get_from_index, - fields.TYPE_MBOX_C_HASH_IDX, - fields.TYPE_FLAGS_VAL, self.mbox, chash) - curried.expected = "fdoc" - fdoc = try_unique_query(curried) - if fdoc is not None: - return fdoc - else: - # probably this should be the other way round, - # ie, try fist on memstore... - cf = self.memstore._chash_fdoc_store - fdoc = cf[chash][self.mbox] - # hey, I just needed to wrap fdoc thing into - # a "content" attribute, look a better way... - if not empty(fdoc): - return MessagePartDoc( - new=None, dirty=None, part=None, - store=None, doc_id=None, - content=fdoc) - - def _get_uid_from_msgidCb(self, msgid): - hdoc = None - curried = partial( - self._soledad.get_from_index, - fields.TYPE_MSGID_IDX, - fields.TYPE_HEADERS_VAL, msgid) - curried.expected = "hdoc" - hdoc = try_unique_query(curried) - - # XXX this is only a quick hack to avoid regression - # on the "multiple copies of the draft" issue, but - # this is currently broken since it's not efficient to - # look for this. Should lookup better. - # FIXME! - - if hdoc is not None: - hdoc_dict = hdoc.content - - else: - hdocstore = self.memstore._hdoc_store - match = [x for _, x in hdocstore.items() if x['msgid'] == msgid] - hdoc_dict = first(match) - - if hdoc_dict is None: - logger.warning("Could not find hdoc for msgid %s" - % (msgid,)) - return None - msg_chash = hdoc_dict.get(fields.CONTENT_HASH_KEY) - - fdoc = self._get_fdoc_from_chash(msg_chash) - if not fdoc: - logger.warning("Could not find fdoc for msgid %s" - % (msgid,)) - return None - return fdoc.content.get(fields.UID_KEY, None) - - @deferred_to_thread - def _get_uid_from_msgid(self, msgid): - """ - Return a UID for a given message-id. - - It first gets the headers-doc for that msg-id, and - it found it queries the flags doc for the current mailbox - for the matching content-hash. - - :return: A UID, or None - """ - # We need to wait a little bit, cause in some of the cases - # the query is received right after we've saved the document, - # and we cannot find it otherwise. This seems to be enough. - - # XXX do a deferLater instead ?? - # XXX is this working? - return self._get_uid_from_msgidCb(msgid) - - @deferred_to_thread - def set_flags(self, mbox, messages, flags, mode, observer): - """ - Set flags for a sequence of messages. - - :param mbox: the mbox this message belongs to - :type mbox: str or unicode - :param messages: the messages to iterate through - :type messages: sequence - :flags: the flags to be set - :type flags: tuple - :param mode: the mode for setting. 1 is append, -1 is remove, 0 set. - :type mode: int - :param observer: a deferred that will be called with the dictionary - mapping UIDs to flags after the operation has been - done. - :type observer: deferred - """ - reactor = self.reactor - getmsg = self.get_msg_by_uid - - def set_flags(uid, flags, mode): - msg = getmsg(uid, mem_only=True, flags_only=True) - if msg is not None: - return uid, msg.setFlags(flags, mode) - - setted_flags = [set_flags(uid, flags, mode) for uid in messages] - result = dict(filter(None, setted_flags)) - - reactor.callFromThread(observer.callback, result) - - # getters: generic for a mailbox - - def get_msg_by_uid(self, uid, mem_only=False, flags_only=False): - """ - Retrieves a LeapMessage by UID. - This is used primarity in the Mailbox fetch and store methods. - - :param uid: the message uid to query by - :type uid: int - :param mem_only: a flag that indicates whether this Message should - pass a reference to soledad to retrieve missing pieces - or not. - :type mem_only: bool - :param flags_only: whether the message should carry only a reference - to the flags document. - :type flags_only: bool - - :return: A LeapMessage instance matching the query, - or None if not found. - :rtype: LeapMessage - """ - msg_container = self.memstore.get_message( - self.mbox, uid, flags_only=flags_only) - - if msg_container is not None: - if mem_only: - msg = LeapMessage(None, uid, self.mbox, collection=self, - container=msg_container) - else: - # We pass a reference to soledad just to be able to retrieve - # missing parts that cannot be found in the container, like - # the content docs after a copy. - msg = LeapMessage(self._soledad, uid, self.mbox, - collection=self, container=msg_container) - else: - msg = LeapMessage(self._soledad, uid, self.mbox, collection=self) - - if not msg.does_exist(): - return None - return msg - - def get_all_docs(self, _type=fields.TYPE_FLAGS_VAL): - """ - Get all documents for the selected mailbox of the - passed type. By default, it returns the flag docs. - - If you want acess to the content, use __iter__ instead - - :return: a list of u1db documents - :rtype: list of SoledadDocument - """ - if _type not in fields.__dict__.values(): - raise TypeError("Wrong type passed to get_all_docs") - - if sameProxiedObjects(self._soledad, None): - logger.warning('Tried to get messages but soledad is None!') - return [] - - all_docs = [doc for doc in self._soledad.get_from_index( - fields.TYPE_MBOX_IDX, - _type, self.mbox)] - - # inneficient, but first let's grok it and then - # let's worry about efficiency. - # XXX FIXINDEX -- should implement order by in soledad - # FIXME ---------------------------------------------- - return sorted(all_docs, key=lambda item: item.content['uid']) - - def all_soledad_uid_iter(self): - """ - Return an iterator through the UIDs of all messages, sorted in - ascending order. - """ - db_uids = set([doc.content[self.UID_KEY] for doc in - self._soledad.get_from_index( - fields.TYPE_MBOX_IDX, - fields.TYPE_FLAGS_VAL, self.mbox) - if not empty(doc)]) - return db_uids - - def all_uid_iter(self): - """ - Return an iterator through the UIDs of all messages, from memory. - """ - mem_uids = self.memstore.get_uids(self.mbox) - soledad_known_uids = self.memstore.get_soledad_known_uids( - self.mbox) - combined = tuple(set(mem_uids).union(soledad_known_uids)) - return combined - - def get_all_soledad_flag_docs(self): - """ - Return a dict with the content of all the flag documents - in soledad store for the given mbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: dict - """ - # XXX we really could return a reduced version with - # just {'uid': (flags-tuple,) since the prefetch is - # only oriented to get the flag tuples. - all_docs = [( - doc.content[self.UID_KEY], - dict(doc.content)) - for doc in - self._soledad.get_from_index( - fields.TYPE_MBOX_IDX, - fields.TYPE_FLAGS_VAL, self.mbox) - if not empty(doc.content)] - all_flags = dict(all_docs) - return all_flags - - def all_headers(self): - """ - Return a dict with all the header documents for this - mailbox. - - :rtype: dict - """ - return self.memstore.all_headers(self.mbox) - - def count(self): - """ - Return the count of messages for this mailbox. - - :rtype: int - """ - return self.memstore.count(self.mbox) - - # unseen messages - - def unseen_iter(self): - """ - Get an iterator for the message UIDs with no `seen` flag - for this mailbox. - - :return: iterator through unseen message doc UIDs - :rtype: iterable - """ - return self.memstore.unseen_iter(self.mbox) - - def count_unseen(self): - """ - Count all messages with the `Unseen` flag. - - :returns: count - :rtype: int - """ - return len(list(self.unseen_iter())) - - def get_unseen(self): - """ - Get all messages with the `Unseen` flag - - :returns: a list of LeapMessages - :rtype: list - """ - return [LeapMessage(self._soledad, docid, self.mbox, collection=self) - for docid in self.unseen_iter()] + def __prefetch_body_file(self): + def assign_body_fd(fd): + self.__body_fd = fd + return fd + d = self.getBodyFile() + d.addCallback(assign_body_fd) + return d - # recent messages - # XXX take it from memstore - def count_recent(self): - """ - Count all messages with the `Recent` flag. - It just retrieves the length of the recent_flags set, - which is stored in a specific type of document for - this collection. +class IMAPMessagePart(object): - :returns: count - :rtype: int - """ - return len(self.recent_flags) + def __init__(self, message_part): + self.message_part = message_part - def __len__(self): - """ - Returns the number of messages on this mailbox. + def getBodyFile(self, store=None): + return self.message_part.get_body_file() - :rtype: int - """ - return self.count() - - def __iter__(self): - """ - Returns an iterator over all messages. + def getSize(self): + return self.message_part.get_size() - :returns: iterator of dicts with content for all messages. - :rtype: iterable - """ - return (LeapMessage(self._soledad, docuid, self.mbox, collection=self) - for docuid in self.all_uid_iter()) + def getHeaders(self, negate, *names): + headers = self.message_part.get_headers() + return _format_headers(headers, negate, *names) - def __repr__(self): - """ - Representation string for this object. - """ - return u"<MessageCollection: mbox '%s' (%s)>" % ( - self.mbox, self.count()) + def isMultipart(self): + return self.message_part.is_multipart() - # XXX should implement __eq__ also !!! - # use chash... + def getSubPart(self, part): + subpart = self.message_part.get_subpart(part + 1) + return IMAPMessagePart(subpart) + + +def _format_headers(headers, negate, *names): + # current server impl. expects content-type to be present, so if for + # some reason we do not have headers, we have to return at least that + # one + if not headers: + logger.warning("No headers found") + return {str('content-type'): str('')} + + names = map(lambda s: s.upper(), names) + + if negate: + def cond(key): + return key.upper() not in names + else: + def cond(key): + return key.upper() in names + + if isinstance(headers, list): + headers = dict(headers) + + # default to most likely standard + charset = find_charset(headers, "utf-8") + + # We will return a copy of the headers dictionary that + # will allow case-insensitive lookups. In some parts of the twisted imap + # server code the keys are expected to be in lower case, and in this way + # we avoid having to convert them. + + _headers = CaseInsensitiveDict() + for key, value in headers.items(): + if not isinstance(key, str): + key = key.encode(charset, 'replace') + if not isinstance(value, str): + value = value.encode(charset, 'replace') + + if value.endswith(";"): + # bastards + value = value[:-1] + + # filter original dict by negate-condition + if cond(key): + _headers[key] = value + + return _headers diff --git a/src/leap/mail/imap/parser.py b/src/leap/mail/imap/parser.py deleted file mode 100644 index 4a801b0..0000000 --- a/src/leap/mail/imap/parser.py +++ /dev/null @@ -1,45 +0,0 @@ -# -*- coding: utf-8 -*- -# parser.py -# Copyright (C) 2013 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -""" -Mail parser mixin. -""" -import re - - -class MBoxParser(object): - """ - Utility function to parse mailbox names. - """ - INBOX_NAME = "INBOX" - INBOX_RE = re.compile(INBOX_NAME, re.IGNORECASE) - - def _parse_mailbox_name(self, name): - """ - Return a normalized representation of the mailbox C{name}. - - This method ensures that an eventual initial 'inbox' part of a - mailbox name is made uppercase. - - :param name: the name of the mailbox - :type name: unicode - - :rtype: unicode - """ - if self.INBOX_RE.match(name): - # ensure inital INBOX is uppercase - return self.INBOX_NAME + name[len(self.INBOX_NAME):] - return name diff --git a/src/leap/mail/imap/server.py b/src/leap/mail/imap/server.py index fe56ea6..39f483f 100644 --- a/src/leap/mail/imap/server.py +++ b/src/leap/mail/imap/server.py @@ -15,18 +15,19 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """ -Leap IMAP4 Server Implementation. +LEAP IMAP4 Server Implementation. """ +import StringIO from copy import copy from twisted import cred +from twisted.internet import reactor from twisted.internet.defer import maybeDeferred from twisted.mail import imap4 from twisted.python import log -from leap.common import events as leap_events from leap.common.check import leap_assert, leap_assert_type -from leap.common.events.events_pb2 import IMAP_CLIENT_LOGIN +from leap.common.events import emit, catalog from leap.soledad.client import Soledad # imports for LITERAL+ patch @@ -35,9 +36,41 @@ from twisted.mail.imap4 import IllegalClientResponse from twisted.mail.imap4 import LiteralString, LiteralFile -class LeapIMAPServer(imap4.IMAP4Server): +def _getContentType(msg): """ - An IMAP4 Server with mailboxes backed by soledad + Return a two-tuple of the main and subtype of the given message. + """ + attrs = None + mm = msg.getHeaders(False, 'content-type').get('content-type', None) + if mm: + mm = ''.join(mm.splitlines()) + mimetype = mm.split(';') + if mimetype: + type = mimetype[0].split('/', 1) + if len(type) == 1: + major = type[0] + minor = None + elif len(type) == 2: + major, minor = type + else: + major = minor = None + # XXX patched --------------------------------------------- + attrs = dict(x.strip().split('=', 1) for x in mimetype[1:]) + # XXX patched --------------------------------------------- + else: + major = minor = None + else: + major = minor = None + return major, minor, attrs + +# Monkey-patch _getContentType to avoid bug that passes lower-case boundary in +# BODYSTRUCTURE response. +imap4._getContentType = _getContentType + + +class LEAPIMAPServer(imap4.IMAP4Server): + """ + An IMAP4 Server with a LEAP Storage Backend. """ def __init__(self, *args, **kwargs): # pop extraneous arguments @@ -59,8 +92,87 @@ class LeapIMAPServer(imap4.IMAP4Server): # populate the test account properly (and only once # per session) - from twisted.internet import reactor - self.reactor = reactor + ############################################################# + # + # Twisted imap4 patch to workaround bad mime rendering in TB. + # See https://leap.se/code/issues/6773 + # and https://bugzilla.mozilla.org/show_bug.cgi?id=149771 + # Still unclear if this is a thunderbird bug. + # TODO send this patch upstream + # + ############################################################# + + def spew_body(self, part, id, msg, _w=None, _f=None): + if _w is None: + _w = self.transport.write + for p in part.part: + if msg.isMultipart(): + msg = msg.getSubPart(p) + elif p > 0: + # Non-multipart messages have an implicit first part but no + # other parts - reject any request for any other part. + raise TypeError("Requested subpart of non-multipart message") + + if part.header: + hdrs = msg.getHeaders(part.header.negate, *part.header.fields) + hdrs = imap4._formatHeaders(hdrs) + # PATCHED ########################################## + _w(str(part) + ' ' + imap4._literal(hdrs + "\r\n")) + # PATCHED ########################################## + elif part.text: + _w(str(part) + ' ') + _f() + return imap4.FileProducer( + msg.getBodyFile() + ).beginProducing(self.transport) + elif part.mime: + hdrs = imap4._formatHeaders(msg.getHeaders(True)) + + # PATCHED ########################################## + _w(str(part) + ' ' + imap4._literal(hdrs + "\r\n")) + # END PATCHED ###################################### + + elif part.empty: + _w(str(part) + ' ') + _f() + if part.part: + # PATCHED ############################################# + # implement partial FETCH + # TODO implement boundary checks + # TODO see if there's a more efficient way, without + # copying the original content into a new buffer. + fd = msg.getBodyFile() + begin = getattr(part, "partialBegin", None) + _len = getattr(part, "partialLength", None) + if begin is not None and _len is not None: + _fd = StringIO.StringIO() + fd.seek(part.partialBegin) + _fd.write(fd.read(part.partialLength)) + _fd.seek(0) + else: + _fd = fd + return imap4.FileProducer( + _fd + # END PATCHED #########################3 + ).beginProducing(self.transport) + else: + mf = imap4.IMessageFile(msg, None) + if mf is not None: + return imap4.FileProducer( + mf.open()).beginProducing(self.transport) + return imap4.MessageProducer( + msg, None, self._scheduler).beginProducing(self.transport) + + else: + _w('BODY ' + + imap4.collapseNestedLists([imap4.getBodyStructure(msg)])) + + ################################################################## + # + # END Twisted imap4 patch to workaround bad mime rendering in TB. + # #6773 + # + ################################################################## def lineReceived(self, line): """ @@ -69,7 +181,7 @@ class LeapIMAPServer(imap4.IMAP4Server): :param line: the line from the server, without the line delimiter. :type line: str """ - if self.theAccount.closed is True and self.state != "unauth": + if self.theAccount.session_ended is True and self.state != "unauth": log.msg("Closing the session. State: unauth") self.state = "unauth" @@ -82,6 +194,20 @@ class LeapIMAPServer(imap4.IMAP4Server): log.msg('rcv (%s): %s' % (self.state, msg)) imap4.IMAP4Server.lineReceived(self, line) + def close_server_connection(self): + """ + Send a BYE command so that the MUA at least knows that we're closing + the connection. + """ + self.sendLine( + '* BYE LEAP IMAP Proxy is shutting down; ' + 'so long and thanks for all the fish') + self.transport.loseConnection() + if self.mbox: + self.mbox.removeListener(self) + self.mbox = None + self.state = 'unauth' + def authenticateLogin(self, username, password): """ Lookup the account with the given parameters, and deny @@ -98,7 +224,7 @@ class LeapIMAPServer(imap4.IMAP4Server): # bad username, reject. raise cred.error.UnauthorizedLogin() # any dummy password is allowed so far. use realm instead! - leap_events.signal(IMAP_CLIENT_LOGIN, "1") + emit(catalog.IMAP_CLIENT_LOGIN, "1") return imap4.IAccount, self.theAccount, lambda: None def do_FETCH(self, tag, messages, query, uid=0): @@ -147,12 +273,15 @@ class LeapIMAPServer(imap4.IMAP4Server): """ Notify new messages to listeners. """ - self.reactor.callFromThread(self.mbox.notify_new) + reactor.callFromThread(self.mbox.notify_new) def _cbSelectWork(self, mbox, cmdName, tag): """ - Callback for selectWork, patched to avoid conformance errors due to - incomplete UIDVALIDITY line. + Callback for selectWork + + * patched to avoid conformance errors due to incomplete UIDVALIDITY + line. + * patched to accept deferreds for messagecount and recent count """ if mbox is None: self.sendNegativeResponse(tag, 'No such mailbox') @@ -161,12 +290,22 @@ class LeapIMAPServer(imap4.IMAP4Server): self.sendNegativeResponse(tag, 'Mailbox cannot be selected') return + d1 = defer.maybeDeferred(mbox.getMessageCount) + d2 = defer.maybeDeferred(mbox.getRecentCount) + return defer.gatherResults([d1, d2]).addCallback( + self.__cbSelectWork, mbox, cmdName, tag) + + def __cbSelectWork(self, ((msg_count, recent_count)), mbox, cmdName, tag): flags = mbox.getFlags() - self.sendUntaggedResponse(str(mbox.getMessageCount()) + ' EXISTS') - self.sendUntaggedResponse(str(mbox.getRecentCount()) + ' RECENT') self.sendUntaggedResponse('FLAGS (%s)' % ' '.join(flags)) # Patched ------------------------------------------------------- + # accept deferreds for the count + self.sendUntaggedResponse(str(msg_count) + ' EXISTS') + self.sendUntaggedResponse(str(recent_count) + ' RECENT') + # ---------------------------------------------------------------- + + # Patched ------------------------------------------------------- # imaptest was complaining about the incomplete line, we're adding # "UIDs valid" here. self.sendPositiveResponse( @@ -188,8 +327,7 @@ class LeapIMAPServer(imap4.IMAP4Server): a deferred, the client will only be informed of success (or failure) when the deferred's callback (or errback) is invoked. """ - # TODO return the output of _memstore.is_writing - # XXX and that should return a deferred! + # TODO implement a collection of ongoing deferreds? return None ############################################################# @@ -311,21 +449,247 @@ class LeapIMAPServer(imap4.IMAP4Server): return self._fileLiteral(size, literalPlus) ############################# - # Need to override the command table after patching - # arg_astring and arg_literal + # --------------------------------- isSubscribed patch + # TODO -- send patch upstream. + # There is a bug in twisted implementation: + # in cbListWork, it's assumed that account.isSubscribed IS a callable, + # although in the interface documentation it's stated that it can be + # a deferred. + + def _listWork(self, tag, ref, mbox, sub, cmdName): + mbox = self._parseMbox(mbox) + mailboxes = maybeDeferred(self.account.listMailboxes, ref, mbox) + mailboxes.addCallback(self._cbSubscribed) + mailboxes.addCallback( + self._cbListWork, tag, sub, cmdName, + ).addErrback(self._ebListWork, tag) + + def _cbSubscribed(self, mailboxes): + subscribed = [ + maybeDeferred(self.account.isSubscribed, name) + for (name, box) in mailboxes] + + def get_mailboxes_and_subs(result): + subscribed = [i[0] for i, yes in zip(mailboxes, result) if yes] + return mailboxes, subscribed + + d = defer.gatherResults(subscribed) + d.addCallback(get_mailboxes_and_subs) + return d + + def _cbListWork(self, mailboxes_subscribed, tag, sub, cmdName): + mailboxes, subscribed = mailboxes_subscribed + + for (name, box) in mailboxes: + if not sub or name in subscribed: + flags = box.getFlags() + delim = box.getHierarchicalDelimiter() + resp = (imap4.DontQuoteMe(cmdName), + map(imap4.DontQuoteMe, flags), + delim, name.encode('imap4-utf-7')) + self.sendUntaggedResponse( + imap4.collapseNestedLists(resp)) + self.sendPositiveResponse(tag, '%s completed' % (cmdName,)) + # -------------------- end isSubscribed patch ----------- + + # TODO subscribe method had also to be changed to accomodate deferred + def do_SUBSCRIBE(self, tag, name): + name = self._parseMbox(name) + + def _subscribeCb(_): + self.sendPositiveResponse(tag, 'Subscribed') + + def _subscribeEb(failure): + m = failure.value + log.err() + if failure.check(imap4.MailboxException): + self.sendNegativeResponse(tag, str(m)) + else: + self.sendBadResponse( + tag, + "Server error encountered while subscribing to mailbox") + + d = self.account.subscribe(name) + d.addCallbacks(_subscribeCb, _subscribeEb) + return d + + auth_SUBSCRIBE = (do_SUBSCRIBE, arg_astring) + select_SUBSCRIBE = auth_SUBSCRIBE + + def do_UNSUBSCRIBE(self, tag, name): + # unsubscribe method had also to be changed to accomodate + # deferred + name = self._parseMbox(name) + + def _unsubscribeCb(_): + self.sendPositiveResponse(tag, 'Unsubscribed') + + def _unsubscribeEb(failure): + m = failure.value + log.err() + if failure.check(imap4.MailboxException): + self.sendNegativeResponse(tag, str(m)) + else: + self.sendBadResponse( + tag, + "Server error encountered while unsubscribing " + "from mailbox") + + d = self.account.unsubscribe(name) + d.addCallbacks(_unsubscribeCb, _unsubscribeEb) + return d + + auth_UNSUBSCRIBE = (do_UNSUBSCRIBE, arg_astring) + select_UNSUBSCRIBE = auth_UNSUBSCRIBE + + def do_RENAME(self, tag, oldname, newname): + oldname, newname = [self._parseMbox(n) for n in oldname, newname] + if oldname.lower() == 'inbox' or newname.lower() == 'inbox': + self.sendNegativeResponse( + tag, + 'You cannot rename the inbox, or ' + 'rename another mailbox to inbox.') + return + def _renameCb(_): + self.sendPositiveResponse(tag, 'Mailbox renamed') + + def _renameEb(failure): + m = failure.value + if failure.check(TypeError): + self.sendBadResponse(tag, 'Invalid command syntax') + elif failure.check(imap4.MailboxException): + self.sendNegativeResponse(tag, str(m)) + else: + log.err() + self.sendBadResponse( + tag, + "Server error encountered while " + "renaming mailbox") + + d = self.account.rename(oldname, newname) + d.addCallbacks(_renameCb, _renameEb) + return d + + auth_RENAME = (do_RENAME, arg_astring, arg_astring) + select_RENAME = auth_RENAME + + def do_CREATE(self, tag, name): + name = self._parseMbox(name) + + def _createCb(result): + if result: + self.sendPositiveResponse(tag, 'Mailbox created') + else: + self.sendNegativeResponse(tag, 'Mailbox not created') + + def _createEb(failure): + c = failure.value + if failure.check(imap4.MailboxException): + self.sendNegativeResponse(tag, str(c)) + else: + log.err() + self.sendBadResponse( + tag, "Server error encountered while creating mailbox") + + d = self.account.create(name) + d.addCallbacks(_createCb, _createEb) + return d + + auth_CREATE = (do_CREATE, arg_astring) + select_CREATE = auth_CREATE + + def do_DELETE(self, tag, name): + name = self._parseMbox(name) + if name.lower() == 'inbox': + self.sendNegativeResponse(tag, 'You cannot delete the inbox') + return + + def _deleteCb(result): + self.sendPositiveResponse(tag, 'Mailbox deleted') + + def _deleteEb(failure): + m = failure.value + if failure.check(imap4.MailboxException): + self.sendNegativeResponse(tag, str(m)) + else: + print "SERVER: other error" + log.err() + self.sendBadResponse( + tag, + "Server error encountered while deleting mailbox") + + d = self.account.delete(name) + d.addCallbacks(_deleteCb, _deleteEb) + return d + + auth_DELETE = (do_DELETE, arg_astring) + select_DELETE = auth_DELETE + + # ----------------------------------------------------------------------- + # Patched just to allow __cbAppend to receive a deferred from messageCount + # TODO format and send upstream. + def do_APPEND(self, tag, mailbox, flags, date, message): + mailbox = self._parseMbox(mailbox) + maybeDeferred(self.account.select, mailbox).addCallback( + self._cbAppendGotMailbox, tag, flags, date, message).addErrback( + self._ebAppendGotMailbox, tag) + + def __ebAppend(self, failure, tag): + self.sendBadResponse(tag, 'APPEND failed: ' + str(failure.value)) + + def _cbAppendGotMailbox(self, mbox, tag, flags, date, message): + if not mbox: + self.sendNegativeResponse(tag, '[TRYCREATE] No such mailbox') + return + + d = mbox.addMessage(message, flags, date) + d.addCallback(self.__cbAppend, tag, mbox) + d.addErrback(self.__ebAppend, tag) + + def _ebAppendGotMailbox(self, failure, tag): + self.sendBadResponse( + tag, "Server error encountered while opening mailbox.") + log.err(failure) + + def __cbAppend(self, result, tag, mbox): + + # XXX patched --------------------------------- + def send_response(count): + self.sendUntaggedResponse('%d EXISTS' % count) + self.sendPositiveResponse(tag, 'APPEND complete') + + d = mbox.getMessageCount() + d.addCallback(send_response) + return d + # XXX patched --------------------------------- + + # ----------------------------------------------------------------------- + + auth_APPEND = (do_APPEND, arg_astring, imap4.IMAP4Server.opt_plist, + imap4.IMAP4Server.opt_datetime, arg_literal) + select_APPEND = auth_APPEND + + # Need to override the command table after patching + # arg_astring and arg_literal, except on the methods that we are already + # overriding. + + # TODO -------------------------------------------- + # Check if we really need to override these + # methods, or we can monkeypatch. + # do_DELETE = imap4.IMAP4Server.do_DELETE + # do_CREATE = imap4.IMAP4Server.do_CREATE + # do_RENAME = imap4.IMAP4Server.do_RENAME + # do_SUBSCRIBE = imap4.IMAP4Server.do_SUBSCRIBE + # do_UNSUBSCRIBE = imap4.IMAP4Server.do_UNSUBSCRIBE + # do_APPEND = imap4.IMAP4Server.do_APPEND + # ------------------------------------------------- do_LOGIN = imap4.IMAP4Server.do_LOGIN - do_CREATE = imap4.IMAP4Server.do_CREATE - do_DELETE = imap4.IMAP4Server.do_DELETE - do_RENAME = imap4.IMAP4Server.do_RENAME - do_SUBSCRIBE = imap4.IMAP4Server.do_SUBSCRIBE - do_UNSUBSCRIBE = imap4.IMAP4Server.do_UNSUBSCRIBE do_STATUS = imap4.IMAP4Server.do_STATUS - do_APPEND = imap4.IMAP4Server.do_APPEND do_COPY = imap4.IMAP4Server.do_COPY _selectWork = imap4.IMAP4Server._selectWork - _listWork = imap4.IMAP4Server._listWork + arg_plist = imap4.IMAP4Server.arg_plist arg_seqset = imap4.IMAP4Server.arg_seqset opt_plist = imap4.IMAP4Server.opt_plist @@ -342,8 +706,15 @@ class LeapIMAPServer(imap4.IMAP4Server): auth_EXAMINE = (_selectWork, arg_astring, 0, 'EXAMINE') select_EXAMINE = auth_EXAMINE - auth_DELETE = (do_DELETE, arg_astring) - select_DELETE = auth_DELETE + # TODO ----------------------------------------------- + # re-add if we stop overriding DELETE + # auth_DELETE = (do_DELETE, arg_astring) + # select_DELETE = auth_DELETE + # auth_APPEND = (do_APPEND, arg_astring, opt_plist, opt_datetime, + # arg_literal) + # select_APPEND = auth_APPEND + + # ---------------------------------------------------- auth_RENAME = (do_RENAME, arg_astring, arg_astring) select_RENAME = auth_RENAME @@ -363,13 +734,8 @@ class LeapIMAPServer(imap4.IMAP4Server): auth_STATUS = (do_STATUS, arg_astring, arg_plist) select_STATUS = auth_STATUS - auth_APPEND = (do_APPEND, arg_astring, opt_plist, opt_datetime, - arg_literal) - select_APPEND = auth_APPEND - select_COPY = (do_COPY, arg_seqset, arg_astring) - ############################################################# # END of Twisted imap4 patch to support LITERAL+ extension ############################################################# diff --git a/src/leap/mail/imap/service/imap-server.tac b/src/leap/mail/imap/service/imap-server.tac index 651f71b..2045757 100644 --- a/src/leap/mail/imap/service/imap-server.tac +++ b/src/leap/mail/imap/service/imap-server.tac @@ -23,9 +23,9 @@ For now, and for debugging/testing purposes, you need to pass a config file with the following structure: [leap_mail] -userid = "user@provider" -uuid = "deadbeefdeadabad" -passwd = "supersecret" # optional, will get prompted if not found. +userid = 'user@provider' +uuid = 'deadbeefdeadabad' +passwd = 'supersecret' # optional, will get prompted if not found. """ import ConfigParser import getpass @@ -53,38 +53,17 @@ def initialize_soledad(uuid, email, passwd, :param tempdir: path to temporal dir :rtype: Soledad instance """ - # XXX TODO unify with an authoritative source of mocks - # for soledad (or partial initializations). - # This is copied from the imap tests. - server_url = "http://provider" cert_file = "" - class Mock(object): - def __init__(self, return_value=None): - self._return = return_value - - def __call__(self, *args, **kwargs): - return self._return - - class MockSharedDB(object): - - get_doc = Mock() - put_doc = Mock() - lock = Mock(return_value=('atoken', 300)) - unlock = Mock(return_value=True) - - def __call__(self): - return self - - Soledad._shared_db = MockSharedDB() soledad = Soledad( uuid, passwd, secrets, localdb, server_url, - cert_file) + cert_file, + syncable=False) return soledad @@ -95,9 +74,9 @@ def initialize_soledad(uuid, email, passwd, print "[+] Running LEAP IMAP Service" -bmconf = os.environ.get("LEAP_MAIL_CONF", "") +bmconf = os.environ.get("LEAP_MAIL_CONFIG", "") if not bmconf: - print ("[-] Please set LEAP_MAIL_CONF environment variable " + print ("[-] Please set LEAP_MAIL_CONFIG environment variable " "pointing to your config.") sys.exit(1) @@ -131,6 +110,7 @@ tempdir = "/tmp/" # Ad-hoc soledad/keymanager initialization. +print "[~] user:", userid soledad = initialize_soledad(uuid, userid, passwd, secrets, localdb, gnupg_home, tempdir) km_args = (userid, "https://localhost", soledad) diff --git a/src/leap/mail/imap/service/imap.py b/src/leap/mail/imap/service/imap.py index 10ba32a..c3ae59a 100644 --- a/src/leap/mail/imap/service/imap.py +++ b/src/leap/mail/imap/service/imap.py @@ -1,6 +1,6 @@ # -*- coding: utf-8 -*- # imap.py -# Copyright (C) 2013 LEAP +# Copyright (C) 2013-2015 LEAP # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -15,58 +15,27 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """ -Imap service initialization +IMAP service initialization """ import logging import os -import time -from twisted.internet import defer, threads -from twisted.internet.protocol import ServerFactory +from collections import defaultdict + +from twisted.internet import reactor from twisted.internet.error import CannotListenError +from twisted.internet.protocol import ServerFactory from twisted.mail import imap4 from twisted.python import log -logger = logging.getLogger(__name__) +from leap.common.events import emit, catalog +from leap.common.check import leap_check +from leap.mail.imap.account import IMAPAccount +from leap.mail.imap.server import LEAPIMAPServer -from leap.common import events as leap_events -from leap.common.check import leap_assert, leap_assert_type, leap_check -from leap.keymanager import KeyManager -from leap.mail.imap.account import SoledadBackedAccount -from leap.mail.imap.fetch import LeapIncomingMail -from leap.mail.imap.memorystore import MemoryStore -from leap.mail.imap.server import LeapIMAPServer -from leap.mail.imap.soledadstore import SoledadStore -from leap.soledad.client import Soledad - -# The default port in which imap service will run -IMAP_PORT = 1984 +# TODO: leave only an implementor of IService in here -# The period between succesive checks of the incoming mail -# queue (in seconds) -INCOMING_CHECK_PERIOD = 60 - -from leap.common.events.events_pb2 import IMAP_SERVICE_STARTED -from leap.common.events.events_pb2 import IMAP_SERVICE_FAILED_TO_START - -###################################################### -# Temporary workaround for RecursionLimit when using -# qt4reactor. Do remove when we move to poll or select -# reactor, which do not show those problems. See #4974 -import resource -import sys - -try: - sys.setrecursionlimit(10**7) -except Exception: - print "Error setting recursion limit" -try: - # Increase max stack size from 8MB to 256MB - resource.setrlimit(resource.RLIMIT_STACK, (2**28, -1)) -except Exception: - print "Error setting stack size" - -###################################################### +logger = logging.getLogger(__name__) DO_MANHOLE = os.environ.get("LEAP_MAIL_MANHOLE", None) if DO_MANHOLE: @@ -81,6 +50,9 @@ if DO_PROFILE: pr = cProfile.Profile() pr.enable() +# The default port in which imap service will run +IMAP_PORT = 1984 + class IMAPAuthRealm(object): """ @@ -97,6 +69,7 @@ class LeapIMAPFactory(ServerFactory): Factory for a IMAP4 server with soledad remote sync and gpg-decryption capabilities. """ + protocol = LEAPIMAPServer def __init__(self, uuid, userid, soledad): """ @@ -114,14 +87,10 @@ class LeapIMAPFactory(ServerFactory): self._uuid = uuid self._userid = userid self._soledad = soledad - self._memstore = MemoryStore( - permanent_store=SoledadStore(soledad)) - theAccount = SoledadBackedAccount( - uuid, soledad=soledad, - memstore=self._memstore) + theAccount = IMAPAccount(uuid, soledad) self.theAccount = theAccount - + self._connections = defaultdict() # XXX how to pass the store along? def buildProtocol(self, addr): @@ -131,91 +100,66 @@ class LeapIMAPFactory(ServerFactory): :param addr: remote ip address :type addr: str """ - imapProtocol = LeapIMAPServer( + # TODO should reject anything from addr != localhost, + # just in case. + log.msg("Building protocol for connection %s" % addr) + imapProtocol = self.protocol( uuid=self._uuid, userid=self._userid, soledad=self._soledad) imapProtocol.theAccount = self.theAccount imapProtocol.factory = self + + self._connections[addr] = imapProtocol return imapProtocol - def doStop(self, cv=None): + def stopFactory(self): + # say bye! + for conn, proto in self._connections.items(): + log.msg("Closing connections for %s" % conn) + proto.close_server_connection() + + def doStop(self): """ Stops imap service (fetcher, factory and port). - - :param cv: A condition variable to which we can signal when imap - indeed stops. - :type cv: threading.Condition - :return: a Deferred that stops and flushes the in memory store data to - disk in another thread. - :rtype: Deferred """ + # mark account as unusable, so any imap command will fail + # with unauth state. + self.theAccount.end_session() + + # TODO should wait for all the pending deferreds, + # the twisted way! if DO_PROFILE: log.msg("Stopping PROFILING") pr.disable() pr.dump_stats(PROFILE_DAT) - ServerFactory.doStop(self) - - if cv is not None: - def _stop_imap_cb(): - logger.debug('Stopping in memory store.') - self._memstore.stop_and_flush() - while not self._memstore.producer.is_queue_empty(): - logger.debug('Waiting for queue to be empty.') - # TODO use a gatherResults over the new/dirty - # deferred list, - # as in memorystore's expunge() method. - time.sleep(1) - # notify that service has stopped - logger.debug('Notifying that service has stopped.') - cv.acquire() - cv.notify() - cv.release() - - return threads.deferToThread(_stop_imap_cb) + return ServerFactory.doStop(self) -def run_service(*args, **kwargs): +def run_service(store, **kwargs): """ Main entry point to run the service from the client. - :returns: the LoopingCall instance that will have to be stoppped - before shutting down the client, the port as returned by - the reactor when starts listening, and the factory for - the protocol. - """ - from twisted.internet import reactor - # it looks like qtreactor does not honor this, - # but other reactors should. - reactor.suggestThreadPoolSize(20) + :param store: a soledad instance - leap_assert(len(args) == 2) - soledad, keymanager = args - leap_assert_type(soledad, Soledad) - leap_assert_type(keymanager, KeyManager) + :returns: the port as returned by the reactor when starts listening, and + the factory for the protocol. + """ + leap_check(store, "store cannot be None") + # XXX this can also be a ProxiedObject, FIXME + # leap_assert_type(store, Soledad) port = kwargs.get('port', IMAP_PORT) - check_period = kwargs.get('check_period', INCOMING_CHECK_PERIOD) userid = kwargs.get('userid', None) leap_check(userid is not None, "need an user id") - offline = kwargs.get('offline', False) - uuid = soledad._get_uuid() - factory = LeapIMAPFactory(uuid, userid, soledad) + uuid = store.uuid + factory = LeapIMAPFactory(uuid, userid, store) try: tport = reactor.listenTCP(port, factory, interface="localhost") - if not offline: - fetcher = LeapIncomingMail( - keymanager, - soledad, - factory.theAccount, - check_period, - userid) - else: - fetcher = None except CannotListenError: logger.error("IMAP Service failed to start: " "cannot listen in port %s" % (port,)) @@ -223,7 +167,6 @@ def run_service(*args, **kwargs): logger.error("Error launching IMAP service: %r" % (exc,)) else: # all good. - # (the caller has still to call fetcher.start_loop) if DO_MANHOLE: # TODO get pass from env var.too. @@ -235,8 +178,10 @@ def run_service(*args, **kwargs): reactor.listenTCP(manhole.MANHOLE_PORT, manhole_factory, interface="127.0.0.1") logger.debug("IMAP4 Server is RUNNING in port %s" % (port,)) - leap_events.signal(IMAP_SERVICE_STARTED, str(port)) - return fetcher, tport, factory + emit(catalog.IMAP_SERVICE_STARTED, str(port)) + + # FIXME -- change service signature + return tport, factory # not ok, signal error. - leap_events.signal(IMAP_SERVICE_FAILED_TO_START, str(port)) + emit(catalog.IMAP_SERVICE_FAILED_TO_START, str(port)) diff --git a/src/leap/mail/imap/soledadstore.py b/src/leap/mail/imap/soledadstore.py deleted file mode 100644 index f3de8eb..0000000 --- a/src/leap/mail/imap/soledadstore.py +++ /dev/null @@ -1,620 +0,0 @@ -# -*- coding: utf-8 -*- -# soledadstore.py -# Copyright (C) 2014 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -""" -A MessageStore that writes to Soledad. -""" -import logging -import threading - -from collections import defaultdict -from itertools import chain - -from u1db import errors as u1db_errors -from twisted.python import log -from zope.interface import implements - -from leap.common.check import leap_assert_type, leap_assert -from leap.mail.decorators import deferred_to_thread -from leap.mail.imap.messageparts import MessagePartType -from leap.mail.imap.messageparts import MessageWrapper -from leap.mail.imap.messageparts import RecentFlagsDoc -from leap.mail.imap.fields import fields -from leap.mail.imap.interfaces import IMessageStore -from leap.mail.messageflow import IMessageConsumer -from leap.mail.utils import first, empty, accumulator_queue - -logger = logging.getLogger(__name__) - - -# TODO -# [ ] Implement a retry queue? -# [ ] Consider journaling of operations. - - -class ContentDedup(object): - """ - Message deduplication. - - We do a query for the content hashes before writing to our beloved - sqlcipher backend of Soledad. This means, by now, that: - - 1. We will not store the same body/attachment twice, only the hash of it. - 2. We will not store the same message header twice, only the hash of it. - - The first case is useful if you are always receiving the same old memes - from unwary friends that still have not discovered that 4chan is the - generator of the internet. The second will save your day if you have - initiated session with the same account in two different machines. I also - wonder why would you do that, but let's respect each other choices, like - with the religious celebrations, and assume that one day we'll be able - to run Bitmask in completely free phones. Yes, I mean that, the whole GSM - Stack. - """ - # TODO refactor using unique_query - - def _header_does_exist(self, doc): - """ - Check whether we already have a header document for this - content hash in our database. - - :param doc: tentative header for document - :type doc: dict - :returns: True if it exists, False otherwise. - """ - if not doc: - return False - chash = doc[fields.CONTENT_HASH_KEY] - header_docs = self._soledad.get_from_index( - fields.TYPE_C_HASH_IDX, - fields.TYPE_HEADERS_VAL, str(chash)) - if not header_docs: - return False - - # FIXME enable only to debug this problem. - #if len(header_docs) != 1: - #logger.warning("Found more than one copy of chash %s!" - #% (chash,)) - - #logger.debug("Found header doc with that hash! Skipping save!") - return True - - def _content_does_exist(self, doc): - """ - Check whether we already have a content document for a payload - with this hash in our database. - - :param doc: tentative content for document - :type doc: dict - :returns: True if it exists, False otherwise. - """ - if not doc: - return False - phash = doc[fields.PAYLOAD_HASH_KEY] - attach_docs = self._soledad.get_from_index( - fields.TYPE_P_HASH_IDX, - fields.TYPE_CONTENT_VAL, str(phash)) - if not attach_docs: - return False - - # FIXME enable only to debug this problem - #if len(attach_docs) != 1: - #logger.warning("Found more than one copy of phash %s!" - #% (phash,)) - #logger.debug("Found attachment doc with that hash! Skipping save!") - return True - - -class MsgWriteError(Exception): - """ - Raised if any exception is found while saving message parts. - """ - pass - - -""" -A lock per document. -""" -# TODO should bound the space of this!!! -# http://stackoverflow.com/a/2437645/1157664 -# Setting this to twice the number of threads in the threadpool -# should be safe. -put_locks = defaultdict(lambda: threading.Lock()) -mbox_doc_locks = defaultdict(lambda: threading.Lock()) - - -class SoledadStore(ContentDedup): - """ - This will create docs in the local Soledad database. - """ - _remove_lock = threading.Lock() - - implements(IMessageConsumer, IMessageStore) - - def __init__(self, soledad): - """ - Initialize the permanent store that writes to Soledad database. - - :param soledad: the soledad instance - :type soledad: Soledad - """ - from twisted.internet import reactor - self.reactor = reactor - - self._soledad = soledad - - self._CREATE_DOC_FUN = self._soledad.create_doc - self._PUT_DOC_FUN = self._soledad.put_doc - self._GET_DOC_FUN = self._soledad.get_doc - - # we instantiate an accumulator to batch the notifications - self.docs_notify_queue = accumulator_queue( - lambda item: reactor.callFromThread(self._unset_new_dirty, item), - 20) - - # IMessageStore - - # ------------------------------------------------------------------- - # We are not yet using this interface, but it would make sense - # to implement it. - - def create_message(self, mbox, uid, message): - """ - Create the passed message into this SoledadStore. - - :param mbox: the mbox this message belongs. - :type mbox: str or unicode - :param uid: the UID that identifies this message in this mailbox. - :type uid: int - :param message: a IMessageContainer implementor. - """ - raise NotImplementedError() - - def put_message(self, mbox, uid, message): - """ - Put the passed existing message into this SoledadStore. - - :param mbox: the mbox this message belongs. - :type mbox: str or unicode - :param uid: the UID that identifies this message in this mailbox. - :type uid: int - :param message: a IMessageContainer implementor. - """ - raise NotImplementedError() - - def remove_message(self, mbox, uid): - """ - Remove the given message from this SoledadStore. - - :param mbox: the mbox this message belongs. - :type mbox: str or unicode - :param uid: the UID that identifies this message in this mailbox. - :type uid: int - """ - raise NotImplementedError() - - def get_message(self, mbox, uid): - """ - Get a IMessageContainer for the given mbox and uid combination. - - :param mbox: the mbox this message belongs. - :type mbox: str or unicode - :param uid: the UID that identifies this message in this mailbox. - :type uid: int - """ - raise NotImplementedError() - - # IMessageConsumer - - # TODO should handle the delete case - # TODO should handle errors better - # TODO could generalize this method into a generic consumer - # and only implement `process` here - - def consume(self, queue): - """ - Creates a new document in soledad db. - - :param queue: a tuple of queues to get item from, with content of the - document to be inserted. - :type queue: tuple of Queues - """ - new, dirty = queue - while not new.empty(): - doc_wrapper = new.get() - self.reactor.callInThread(self._consume_doc, doc_wrapper, - self.docs_notify_queue) - while not dirty.empty(): - doc_wrapper = dirty.get() - self.reactor.callInThread(self._consume_doc, doc_wrapper, - self.docs_notify_queue) - - # Queue empty, flush the notifications queue. - self.docs_notify_queue(None, flush=True) - - def _unset_new_dirty(self, doc_wrapper): - """ - Unset the `new` and `dirty` flags for this document wrapper in the - memory store. - - :param doc_wrapper: a MessageWrapper instance - :type doc_wrapper: MessageWrapper - """ - if isinstance(doc_wrapper, MessageWrapper): - # XXX still needed for debug quite often - #logger.info("unsetting new flag!") - doc_wrapper.new = False - doc_wrapper.dirty = False - - @deferred_to_thread - def _consume_doc(self, doc_wrapper, notify_queue): - """ - Consume each document wrapper in a separate thread. - We pass an instance of an accumulator that handles the notifications - to the memorystore when the write has been done. - - :param doc_wrapper: a MessageWrapper or RecentFlagsDoc instance - :type doc_wrapper: MessageWrapper or RecentFlagsDoc - :param notify_queue: a callable that handles the writeback - notifications to the memstore. - :type notify_queue: callable - """ - def queueNotifyBack(failed, doc_wrapper): - if failed: - log.msg("There was an error writing the mesage...") - else: - notify_queue(doc_wrapper) - - def doSoledadCalls(items): - # we prime the generator, that should return the - # message or flags wrapper item in the first place. - try: - doc_wrapper = items.next() - except StopIteration: - pass - else: - failed = self._soledad_write_document_parts(items) - queueNotifyBack(failed, doc_wrapper) - - doSoledadCalls(self._iter_wrapper_subparts(doc_wrapper)) - - # - # SoledadStore specific methods. - # - - def _soledad_write_document_parts(self, items): - """ - Write the document parts to soledad in a separate thread. - - :param items: the iterator through the different document wrappers - payloads. - :type items: iterator - :return: whether the write was successful or not - :rtype: bool - """ - failed = False - for item, call in items: - if empty(item): - continue - try: - self._try_call(call, item) - except Exception as exc: - logger.debug("ITEM WAS: %s" % repr(item)) - if hasattr(item, 'content'): - logger.debug("ITEM CONTENT WAS: %s" % - repr(item.content)) - logger.exception(exc) - failed = True - continue - return failed - - def _iter_wrapper_subparts(self, doc_wrapper): - """ - Return an iterator that will yield the doc_wrapper in the first place, - followed by the subparts item and the proper call type for every - item in the queue, if any. - - :param doc_wrapper: a MessageWrapper or RecentFlagsDoc instance - :type doc_wrapper: MessageWrapper or RecentFlagsDoc - """ - if isinstance(doc_wrapper, MessageWrapper): - return chain((doc_wrapper,), - self._get_calls_for_msg_parts(doc_wrapper)) - elif isinstance(doc_wrapper, RecentFlagsDoc): - return chain((doc_wrapper,), - self._get_calls_for_rflags_doc(doc_wrapper)) - else: - logger.warning("CANNOT PROCESS ITEM!") - return (i for i in []) - - def _try_call(self, call, item): - """ - Try to invoke a given call with item as a parameter. - - :param call: the function to call - :type call: callable - :param item: the payload to pass to the call as argument - :type item: object - """ - if call is None: - return - - if call == self._PUT_DOC_FUN: - doc_id = item.doc_id - if doc_id is None: - logger.warning("BUG! Dirty doc but has no doc_id!") - return - with put_locks[doc_id]: - doc = self._GET_DOC_FUN(doc_id) - - if doc is None: - logger.warning("BUG! Dirty doc but could not " - "find document %s" % (doc_id,)) - return - - doc.content = dict(item.content) - - item = doc - try: - call(item) - except u1db_errors.RevisionConflict as exc: - logger.exception("Error: %r" % (exc,)) - raise exc - except Exception as exc: - logger.exception("Error: %r" % (exc,)) - raise exc - - else: - try: - call(item) - except u1db_errors.RevisionConflict as exc: - logger.exception("Error: %r" % (exc,)) - raise exc - except Exception as exc: - logger.exception("Error: %r" % (exc,)) - raise exc - - def _get_calls_for_msg_parts(self, msg_wrapper): - """ - Generator that return the proper call type for a given item. - - :param msg_wrapper: A MessageWrapper - :type msg_wrapper: IMessageContainer - :return: a generator of tuples with recent-flags doc payload - and callable - :rtype: generator - """ - call = None - - if msg_wrapper.new: - call = self._CREATE_DOC_FUN - - # item is expected to be a MessagePartDoc - for item in msg_wrapper.walk(): - if item.part == MessagePartType.fdoc: - yield dict(item.content), call - - elif item.part == MessagePartType.hdoc: - if not self._header_does_exist(item.content): - yield dict(item.content), call - - elif item.part == MessagePartType.cdoc: - if not self._content_does_exist(item.content): - yield dict(item.content), call - - # For now, the only thing that will be dirty is - # the flags doc. - - elif msg_wrapper.dirty: - call = self._PUT_DOC_FUN - # item is expected to be a MessagePartDoc - for item in msg_wrapper.walk(): - # XXX FIXME Give error if dirty and not doc_id !!! - doc_id = item.doc_id # defend! - if not doc_id: - logger.warning("Dirty item but no doc_id!") - continue - - if item.part == MessagePartType.fdoc: - #logger.debug("PUT dirty fdoc") - yield item, call - - # XXX also for linkage-doc !!! - else: - logger.error("Cannot delete documents yet from the queue...!") - - def _get_calls_for_rflags_doc(self, rflags_wrapper): - """ - We always put these documents. - - :param rflags_wrapper: A wrapper around recent flags doc. - :type rflags_wrapper: RecentFlagsWrapper - :return: a tuple with recent-flags doc payload and callable - :rtype: tuple - """ - call = self._PUT_DOC_FUN - - payload = rflags_wrapper.content - if payload: - logger.debug("Saving RFLAGS to Soledad...") - yield rflags_wrapper, call - - # Mbox documents and attributes - - def get_mbox_document(self, mbox): - """ - Return mailbox document. - - :param mbox: the mailbox - :type mbox: str or unicode - :return: A SoledadDocument containing this mailbox, or None if - the query failed. - :rtype: SoledadDocument or None. - """ - with mbox_doc_locks[mbox]: - return self._get_mbox_document(mbox) - - def _get_mbox_document(self, mbox): - """ - Helper for returning the mailbox document. - """ - try: - query = self._soledad.get_from_index( - fields.TYPE_MBOX_IDX, - fields.TYPE_MBOX_VAL, mbox) - if query: - return query.pop() - else: - logger.error("Could not find mbox document for %r" % - (mbox,)) - except Exception as exc: - logger.exception("Unhandled error %r" % exc) - - def get_mbox_closed(self, mbox): - """ - Return the closed attribute for a given mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :rtype: bool - """ - mbox_doc = self.get_mbox_document() - return mbox_doc.content.get(fields.CLOSED_KEY, False) - - def set_mbox_closed(self, mbox, closed): - """ - Set the closed attribute for a given mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :param closed: the value to be set - :type closed: bool - """ - leap_assert(isinstance(closed, bool), "closed needs to be boolean") - with mbox_doc_locks[mbox]: - mbox_doc = self._get_mbox_document(mbox) - if mbox_doc is None: - logger.error( - "Could not find mbox document for %r" % (mbox,)) - return - mbox_doc.content[fields.CLOSED_KEY] = closed - self._soledad.put_doc(mbox_doc) - - def write_last_uid(self, mbox, value): - """ - Write the `last_uid` integer to the proper mailbox document - in Soledad. - This is called from the deferred triggered by - memorystore.increment_last_soledad_uid, which is expected to - run in a separate thread. - - :param mbox: the mailbox - :type mbox: str or unicode - :param value: the value to set - :type value: int - """ - leap_assert_type(value, int) - key = fields.LAST_UID_KEY - - # XXX use accumulator to reduce number of hits - with mbox_doc_locks[mbox]: - mbox_doc = self._get_mbox_document(mbox) - old_val = mbox_doc.content[key] - if value > old_val: - mbox_doc.content[key] = value - try: - self._soledad.put_doc(mbox_doc) - except Exception as exc: - logger.error("Error while setting last_uid for %r" - % (mbox,)) - logger.exception(exc) - - def get_flags_doc(self, mbox, uid): - """ - Return the SoledadDocument for the given mbox and uid. - - :param mbox: the mailbox - :type mbox: str or unicode - :param uid: the UID for the message - :type uid: int - :rtype: SoledadDocument or None - """ - result = None - try: - flag_docs = self._soledad.get_from_index( - fields.TYPE_MBOX_UID_IDX, - fields.TYPE_FLAGS_VAL, mbox, str(uid)) - if len(flag_docs) != 1: - logger.warning("More than one flag doc for %r:%s" % - (mbox, uid)) - result = first(flag_docs) - except Exception as exc: - # ugh! Something's broken down there! - logger.warning("ERROR while getting flags for UID: %s" % uid) - logger.exception(exc) - finally: - return result - - def get_headers_doc(self, chash): - """ - Return the document that keeps the headers for a message - indexed by its content-hash. - - :param chash: the content-hash to retrieve the document from. - :type chash: str or unicode - :rtype: SoledadDocument or None - """ - head_docs = self._soledad.get_from_index( - fields.TYPE_C_HASH_IDX, - fields.TYPE_HEADERS_VAL, str(chash)) - return first(head_docs) - - # deleted messages - - def deleted_iter(self, mbox): - """ - Get an iterator for the the doc_id for SoledadDocuments for messages - with \\Deleted flag for a given mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - :return: iterator through deleted message docs - :rtype: iterable - """ - return [doc.doc_id for doc in self._soledad.get_from_index( - fields.TYPE_MBOX_DEL_IDX, - fields.TYPE_FLAGS_VAL, mbox, '1')] - - def remove_all_deleted(self, mbox): - """ - Remove from Soledad all messages flagged as deleted for a given - mailbox. - - :param mbox: the mailbox - :type mbox: str or unicode - """ - deleted = [] - for doc_id in self.deleted_iter(mbox): - with self._remove_lock: - doc = self._soledad.get_doc(doc_id) - if doc is not None: - self._soledad.delete_doc(doc) - try: - deleted.append(doc.content[fields.UID_KEY]) - except TypeError: - # empty content - pass - return deleted diff --git a/src/leap/mail/imap/tests/__init__.py b/src/leap/mail/imap/tests/__init__.py index f3d5ca6..5cf60ed 100644 --- a/src/leap/mail/imap/tests/__init__.py +++ b/src/leap/mail/imap/tests/__init__.py @@ -1,4 +1,4 @@ -#-*- encoding: utf-8 -*- +# -*- encoding: utf-8 -*- """ leap/email/imap/tests/__init__.py ---------------------------------- @@ -10,13 +10,6 @@ code, using twisted.trial, for testing leap_mx. @copyright: © 2013 Kali Kaneko, see COPYLEFT file """ -__all__ = ['test_imap'] - - -def run(): - """xxx fill me in""" - pass - import os import u1db @@ -25,11 +18,18 @@ from leap.common.testing.basetest import BaseLeapTest from leap.soledad.client import Soledad from leap.soledad.common.document import SoledadDocument +__all__ = ['test_imap'] + -#----------------------------------------------------------------------------- +def run(): + """xxx fill me in""" + pass + +# ----------------------------------------------------------------------------- # Some tests inherit from BaseSoledadTest in order to have a working Soledad # instance in each test. -#----------------------------------------------------------------------------- +# ----------------------------------------------------------------------------- + class BaseSoledadIMAPTest(BaseLeapTest): """ diff --git a/src/leap/mail/imap/tests/regressions b/src/leap/mail/imap/tests/regressions_mime_struct index efe3f46..0332664 100755 --- a/src/leap/mail/imap/tests/regressions +++ b/src/leap/mail/imap/tests/regressions_mime_struct @@ -1,7 +1,7 @@ #!/usr/bin/env python # -*- coding: utf-8 -*- -# regressions +# regression_mime_struct # Copyright (C) 2014 LEAP # Copyright (c) Twisted Matrix Laboratories. # @@ -18,7 +18,7 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """ -Simple Regression Tests using IMAP4 client. +Simple Regression Tests for checking MIME struct handling using IMAP4 client. Iterates trough all mails under a given folder and tries to APPEND them to the server being tested. After FETCHING the pushed message, it compares @@ -40,7 +40,9 @@ from twisted.protocols import basic from twisted.python import log -REGRESSIONS_FOLDER = "regressions_test" +REGRESSIONS_FOLDER = os.environ.get( + "REGRESSIONS_FOLDER", "regressions_test") +print "[+] Using regressions folder:", REGRESSIONS_FOLDER parser = Parser() @@ -263,7 +265,7 @@ def cbSelectMbox(result, proto): if result["EXISTS"] != 0: # Flag as deleted, expunge, and do an examine again. - #print "There is mail here, will delete..." + print "There is mail here, will delete..." return cbDeleteAndExpungeTestFolder(proto) else: @@ -276,11 +278,15 @@ def ebSelectMbox(failure, proto, folder): Creates the folder. """ - print failure.getTraceback() + log.err(failure) log.msg("Folder %r does not exist. Creating..." % (folder,)) return proto.create(folder).addCallback(cbAuthentication, proto) +def ebExpunge(failure): + log.err(failure) + + def cbDeleteAndExpungeTestFolder(proto): """ Callback invoked fom cbExamineMbox when the number of messages in the @@ -292,7 +298,9 @@ def cbDeleteAndExpungeTestFolder(proto): ).addCallback( lambda r: proto.expunge() ).addCallback( - cbExpunge, proto) + cbExpunge, proto + ).addErrback( + ebExpunge) def cbExpunge(result, proto): diff --git a/src/leap/mail/imap/tests/rfc822.message b/src/leap/mail/imap/tests/rfc822.message index ee97ab9..b19cc28 100644..120000 --- a/src/leap/mail/imap/tests/rfc822.message +++ b/src/leap/mail/imap/tests/rfc822.message @@ -1,86 +1 @@ -Return-Path: <twisted-commits-admin@twistedmatrix.com> -Delivered-To: exarkun@meson.dyndns.org -Received: from localhost [127.0.0.1] - by localhost with POP3 (fetchmail-6.2.1) - for exarkun@localhost (single-drop); Thu, 20 Mar 2003 14:50:20 -0500 (EST) -Received: from pyramid.twistedmatrix.com (adsl-64-123-27-105.dsl.austtx.swbell.net [64.123.27.105]) - by intarweb.us (Postfix) with ESMTP id 4A4A513EA4 - for <exarkun@meson.dyndns.org>; Thu, 20 Mar 2003 14:49:27 -0500 (EST) -Received: from localhost ([127.0.0.1] helo=pyramid.twistedmatrix.com) - by pyramid.twistedmatrix.com with esmtp (Exim 3.35 #1 (Debian)) - id 18w648-0007Vl-00; Thu, 20 Mar 2003 13:51:04 -0600 -Received: from acapnotic by pyramid.twistedmatrix.com with local (Exim 3.35 #1 (Debian)) - id 18w63j-0007VK-00 - for <twisted-commits@twistedmatrix.com>; Thu, 20 Mar 2003 13:50:39 -0600 -To: twisted-commits@twistedmatrix.com -From: etrepum CVS <etrepum@twistedmatrix.com> -Reply-To: twisted-python@twistedmatrix.com -X-Mailer: CVSToys -Message-Id: <E18w63j-0007VK-00@pyramid.twistedmatrix.com> -Subject: [Twisted-commits] rebuild now works on python versions from 2.2.0 and up. -Sender: twisted-commits-admin@twistedmatrix.com -Errors-To: twisted-commits-admin@twistedmatrix.com -X-BeenThere: twisted-commits@twistedmatrix.com -X-Mailman-Version: 2.0.11 -Precedence: bulk -List-Help: <mailto:twisted-commits-request@twistedmatrix.com?subject=help> -List-Post: <mailto:twisted-commits@twistedmatrix.com> -List-Subscribe: <http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits>, - <mailto:twisted-commits-request@twistedmatrix.com?subject=subscribe> -List-Id: <twisted-commits.twistedmatrix.com> -List-Unsubscribe: <http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits>, - <mailto:twisted-commits-request@twistedmatrix.com?subject=unsubscribe> -List-Archive: <http://twistedmatrix.com/pipermail/twisted-commits/> -Date: Thu, 20 Mar 2003 13:50:39 -0600 - -Modified files: -Twisted/twisted/python/rebuild.py 1.19 1.20 - -Log message: -rebuild now works on python versions from 2.2.0 and up. - - -ViewCVS links: -http://twistedmatrix.com/users/jh.twistd/viewcvs/cgi/viewcvs.cgi/twisted/python/rebuild.py.diff?r1=text&tr1=1.19&r2=text&tr2=1.20&cvsroot=Twisted - -Index: Twisted/twisted/python/rebuild.py -diff -u Twisted/twisted/python/rebuild.py:1.19 Twisted/twisted/python/rebuild.py:1.20 ---- Twisted/twisted/python/rebuild.py:1.19 Fri Jan 17 13:50:49 2003 -+++ Twisted/twisted/python/rebuild.py Thu Mar 20 11:50:08 2003 -@@ -206,15 +206,27 @@ - clazz.__dict__.clear() - clazz.__getattr__ = __getattr__ - clazz.__module__ = module.__name__ -+ if newclasses: -+ import gc -+ if (2, 2, 0) <= sys.version_info[:3] < (2, 2, 2): -+ hasBrokenRebuild = 1 -+ gc_objects = gc.get_objects() -+ else: -+ hasBrokenRebuild = 0 - for nclass in newclasses: - ga = getattr(module, nclass.__name__) - if ga is nclass: - log.msg("WARNING: new-class %s not replaced by reload!" % reflect.qual(nclass)) - else: -- import gc -- for r in gc.get_referrers(nclass): -- if isinstance(r, nclass): -+ if hasBrokenRebuild: -+ for r in gc_objects: -+ if not getattr(r, '__class__', None) is nclass: -+ continue - r.__class__ = ga -+ else: -+ for r in gc.get_referrers(nclass): -+ if getattr(r, '__class__', None) is nclass: -+ r.__class__ = ga - if doLog: - log.msg('') - log.msg(' (fixing %s): ' % str(module.__name__)) - - -_______________________________________________ -Twisted-commits mailing list -Twisted-commits@twistedmatrix.com -http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits +../../tests/rfc822.message
\ No newline at end of file diff --git a/src/leap/mail/imap/tests/rfc822.multi-minimal.message b/src/leap/mail/imap/tests/rfc822.multi-minimal.message index 582297c..e0aa678 100644..120000 --- a/src/leap/mail/imap/tests/rfc822.multi-minimal.message +++ b/src/leap/mail/imap/tests/rfc822.multi-minimal.message @@ -1,16 +1 @@ -Content-Type: multipart/mixed; boundary="===============6203542367371144092==" -MIME-Version: 1.0 -Subject: [TEST] 010 - Inceptos cum lorem risus congue -From: testmailbitmaskspam@gmail.com -To: test_c5@dev.bitmask.net - ---===============6203542367371144092== -Content-Type: text/plain; charset="us-ascii" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit - -Howdy from python! -The subject: [TEST] 010 - Inceptos cum lorem risus congue -Current date & time: Wed Jan 8 16:36:21 2014 -Trying to attach: [] ---===============6203542367371144092==-- +../../tests/rfc822.multi-minimal.message
\ No newline at end of file diff --git a/src/leap/mail/imap/tests/rfc822.multi-nested.message b/src/leap/mail/imap/tests/rfc822.multi-nested.message new file mode 120000 index 0000000..306d0de --- /dev/null +++ b/src/leap/mail/imap/tests/rfc822.multi-nested.message @@ -0,0 +1 @@ +../../tests/rfc822.multi-nested.message
\ No newline at end of file diff --git a/src/leap/mail/imap/tests/rfc822.multi-signed.message b/src/leap/mail/imap/tests/rfc822.multi-signed.message index 9907c2d..4172244 100644..120000 --- a/src/leap/mail/imap/tests/rfc822.multi-signed.message +++ b/src/leap/mail/imap/tests/rfc822.multi-signed.message @@ -1,238 +1 @@ -Date: Mon, 6 Jan 2014 04:40:47 -0400 -From: Kali Kaneko <kali@leap.se> -To: penguin@example.com -Subject: signed message -Message-ID: <20140106084047.GA21317@samsara.lan> -MIME-Version: 1.0 -Content-Type: multipart/signed; micalg=pgp-sha1; - protocol="application/pgp-signature"; boundary="z9ECzHErBrwFF8sy" -Content-Disposition: inline -User-Agent: Mutt/1.5.21 (2012-12-30) - - ---z9ECzHErBrwFF8sy -Content-Type: multipart/mixed; boundary="z0eOaCaDLjvTGF2l" -Content-Disposition: inline - - ---z0eOaCaDLjvTGF2l -Content-Type: text/plain; charset=utf-8 -Content-Disposition: inline -Content-Transfer-Encoding: quoted-printable - -This is an example of a signed message, -with 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\ No newline at end of file diff --git a/src/leap/mail/imap/tests/rfc822.multi.message b/src/leap/mail/imap/tests/rfc822.multi.message index 30f74e5..62057d2 100644..120000 --- a/src/leap/mail/imap/tests/rfc822.multi.message +++ b/src/leap/mail/imap/tests/rfc822.multi.message @@ -1,96 +1 @@ -Date: Fri, 19 May 2000 09:55:48 -0400 (EDT)
-From: Doug Sauder <doug@penguin.example.com>
-To: Joe Blow <blow@example.com>
-Subject: Test message from PINE
-Message-ID: <Pine.LNX.4.21.0005190951410.8452-102000@penguin.example.com>
-MIME-Version: 1.0
-Content-Type: MULTIPART/MIXED; BOUNDARY="-1463757054-952513540-958744548=:8452"
-
- This message is in MIME format. The first part should be readable text,
- while the remaining parts are likely unreadable without MIME-aware tools.
- Send mail to mime@docserver.cac.washington.edu for more info.
-
----1463757054-952513540-958744548=:8452
-Content-Type: TEXT/PLAIN; charset=US-ASCII
-
-This is a test message from PINE MUA.
-
-
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----1463757054-952513540-958744548=:8452--
+../../tests/rfc822.multi.message
\ No newline at end of file diff --git a/src/leap/mail/imap/tests/rfc822.plain.message b/src/leap/mail/imap/tests/rfc822.plain.message index fc627c3..5bab0e8 100644..120000 --- a/src/leap/mail/imap/tests/rfc822.plain.message +++ b/src/leap/mail/imap/tests/rfc822.plain.message @@ -1,66 +1 @@ -From pyar-bounces@python.org.ar Wed Jan 8 14:46:02 2014 -Return-Path: <pyar-bounces@python.org.ar> -X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on spamd2.riseup.net -X-Spam-Level: ** -X-Spam-Pyzor: Reported 0 times. -X-Spam-Status: No, score=2.1 required=8.0 tests=AM_TRUNCATED,CK_419SIZE, - CK_NAIVER_NO_DNS,CK_NAIVE_NO_DNS,ENV_FROM_DIFF0,HAS_REPLY_TO,LINK_NR_TOP, - NO_REAL_NAME,RDNS_NONE,RISEUP_SPEAR_C shortcircuit=no autolearn=disabled - version=3.3.2 -Delivered-To: kali@leap.se -Received: from mx1.riseup.net (mx1-pn.riseup.net [10.0.1.33]) - (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) - (Client CN "*.riseup.net", Issuer "Gandi Standard SSL CA" (not verified)) - by vireo.riseup.net (Postfix) with ESMTPS id 6C39A8F - for <kali@leap.se>; Wed, 8 Jan 2014 18:46:02 +0000 (UTC) -Received: from pyar.usla.org.ar (unknown [190.228.30.157]) - by mx1.riseup.net (Postfix) with ESMTP id F244C533F4 - for <kali@leap.se>; Wed, 8 Jan 2014 10:46:01 -0800 (PST) -Received: from [127.0.0.1] (localhost [127.0.0.1]) - by pyar.usla.org.ar (Postfix) with ESMTP id CC51D26A4F - for <kali@leap.se>; Wed, 8 Jan 2014 15:46:00 -0300 (ART) -MIME-Version: 1.0 -Content-Type: text/plain; charset="iso-8859-1" -Content-Transfer-Encoding: quoted-printable -From: pyar-request@python.org.ar -To: kali@leap.se -Subject: confirm 0e47e4342e4d42508e8c283175b05b3377148ac2 -Reply-To: pyar-request@python.org.ar -Auto-Submitted: auto-replied -Message-ID: <mailman.245.1389206759.1579.pyar@python.org.ar> -Date: Wed, 08 Jan 2014 15:45:59 -0300 -Precedence: bulk -X-BeenThere: pyar@python.org.ar -X-Mailman-Version: 2.1.15 -List-Id: Python Argentina <pyar.python.org.ar> -X-List-Administrivia: yes -Errors-To: pyar-bounces@python.org.ar -Sender: "pyar" <pyar-bounces@python.org.ar> -X-Virus-Scanned: clamav-milter 0.97.8 at mx1 -X-Virus-Status: Clean - -Mailing list subscription confirmation notice for mailing list pyar - -We have received a request de kaliyuga@riseup.net for subscription of -your email address, "kaliyuga@riseup.net", to the pyar@python.org.ar -mailing list. To confirm that you want to be added to this mailing -list, simply reply to this message, keeping the Subject: header -intact. Or visit this web page: - - http://listas.python.org.ar/confirm/pyar/0e47e4342e4d42508e8c283175b05b= -3377148ac2 - - -Or include the following line -- and only the following line -- in a -message to pyar-request@python.org.ar: - - confirm 0e47e4342e4d42508e8c283175b05b3377148ac2 - -Note that simply sending a `reply' to this message should work from -most mail readers, since that usually leaves the Subject: line in the -right form (additional "Re:" text in the Subject: is okay). - -If you do not wish to be subscribed to this list, please simply -disregard this message. If you think you are being maliciously -subscribed to the list, or have any other questions, send them to -pyar-owner@python.org.ar. +../../tests/rfc822.plain.message
\ No newline at end of file diff --git a/src/leap/mail/imap/tests/leap_tests_imap.zsh b/src/leap/mail/imap/tests/stress_tests_imap.zsh index 544faca..544faca 100755 --- a/src/leap/mail/imap/tests/leap_tests_imap.zsh +++ b/src/leap/mail/imap/tests/stress_tests_imap.zsh diff --git a/src/leap/mail/imap/tests/test_imap.py b/src/leap/mail/imap/tests/test_imap.py index 631a2c1..62c3c41 100644 --- a/src/leap/mail/imap/tests/test_imap.py +++ b/src/leap/mail/imap/tests/test_imap.py @@ -17,7 +17,7 @@ """ Test case for leap.email.imap.server TestCases taken from twisted tests and modified to make them work -against SoledadBackedAccount. +against our implementation of the IMAPAccount. @authors: Kali Kaneko, <kali@leap.se> XXX add authors from the original twisted tests. @@ -25,31 +25,20 @@ XXX add authors from the original twisted tests. @license: GPLv3, see included LICENSE file """ # XXX review license of the original tests!!! - -try: - from cStringIO import StringIO -except ImportError: - from StringIO import StringIO - import os +import string import types from twisted.mail import imap4 from twisted.internet import defer -from twisted.trial import unittest from twisted.python import util from twisted.python import failure from twisted import cred - -# import u1db - -from leap.mail.imap.mailbox import SoledadMailbox -from leap.mail.imap.memorystore import MemoryStore -from leap.mail.imap.messages import MessageCollection -from leap.mail.imap.server import LeapIMAPServer +from leap.mail.imap.mailbox import IMAPMailbox +from leap.mail.imap.messages import CaseInsensitiveDict from leap.mail.imap.tests.utils import IMAP4HelperMixin @@ -73,7 +62,6 @@ def sortNest(l): class TestRealm: - """ A minimal auth realm for testing purposes only """ @@ -82,153 +70,21 @@ class TestRealm: def requestAvatar(self, avatarId, mind, *interfaces): return imap4.IAccount, self.theAccount, lambda: None - # # TestCases # -class MessageCollectionTestCase(IMAP4HelperMixin, unittest.TestCase): - - """ - Tests for the MessageCollection class - """ - count = 0 - - def setUp(self): - """ - setUp method for each test - We override mixin method since we are only testing - MessageCollection interface in this particular TestCase - """ - super(MessageCollectionTestCase, self).setUp() - memstore = MemoryStore() - self.messages = MessageCollection("testmbox%s" % (self.count,), - self._soledad, memstore=memstore) - MessageCollectionTestCase.count += 1 - - def tearDown(self): - """ - tearDown method for each test - """ - del self.messages - - def testEmptyMessage(self): - """ - Test empty message and collection - """ - em = self.messages._get_empty_doc() - self.assertEqual( - em, - { - "chash": '', - "deleted": False, - "flags": [], - "mbox": "inbox", - "seen": False, - "multi": False, - "size": 0, - "type": "flags", - "uid": 1, - }) - self.assertEqual(self.messages.count(), 0) - - def testMultipleAdd(self): - """ - Add multiple messages - """ - mc = self.messages - self.assertEqual(self.messages.count(), 0) - - def add_first(): - d = defer.gatherResults([ - mc.add_msg('Stuff 1', subject="test1"), - mc.add_msg('Stuff 2', subject="test2"), - mc.add_msg('Stuff 3', subject="test3"), - mc.add_msg('Stuff 4', subject="test4")]) - return d - - def add_second(result): - d = defer.gatherResults([ - mc.add_msg('Stuff 5', subject="test5"), - mc.add_msg('Stuff 6', subject="test6"), - mc.add_msg('Stuff 7', subject="test7")]) - return d - - def check_second(result): - return self.assertEqual(mc.count(), 7) - - d1 = add_first() - d1.addCallback(add_second) - d1.addCallback(check_second) - - def testRecentCount(self): - """ - Test the recent count - """ - mc = self.messages - countrecent = mc.count_recent - eq = self.assertEqual - - self.assertEqual(countrecent(), 0) - - d = mc.add_msg('Stuff', subject="test1") - # For the semantics defined in the RFC, we auto-add the - # recent flag by default. - - def add2(_): - return mc.add_msg('Stuff', subject="test2", - flags=('\\Deleted',)) - - def add3(_): - return mc.add_msg('Stuff', subject="test3", - flags=('\\Recent',)) - - def add4(_): - return mc.add_msg('Stuff', subject="test4", - flags=('\\Deleted', '\\Recent')) - - d.addCallback(lambda r: eq(countrecent(), 1)) - d.addCallback(add2) - d.addCallback(lambda r: eq(countrecent(), 2)) - d.addCallback(add3) - d.addCallback(lambda r: eq(countrecent(), 3)) - d.addCallback(add4) - d.addCallback(lambda r: eq(countrecent(), 4)) - - def testFilterByMailbox(self): - """ - Test that queries filter by selected mailbox - """ - mc = self.messages - self.assertEqual(self.messages.count(), 0) - - def add_1(): - d1 = mc.add_msg('msg 1', subject="test1") - d2 = mc.add_msg('msg 2', subject="test2") - d3 = mc.add_msg('msg 3', subject="test3") - d = defer.gatherResults([d1, d2, d3]) - return d - - add_1().addCallback(lambda ignored: self.assertEqual( - mc.count(), 3)) - - # XXX this has to be redone to fit memstore ------------# - #newmsg = mc._get_empty_doc() - #newmsg['mailbox'] = "mailbox/foo" - #mc._soledad.create_doc(newmsg) - #self.assertEqual(mc.count(), 3) - #self.assertEqual( - #len(mc._soledad.get_from_index(mc.TYPE_IDX, "flags")), 4) +# DEBUG --- +# from twisted.internet.base import DelayedCall +# DelayedCall.debug = True -class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): - # TODO this currently will use a memory-only store. - # create a different one for testing soledad sync. +class LEAPIMAP4ServerTestCase(IMAP4HelperMixin): """ - Tests for the generic behavior of the LeapIMAP4Server + Tests for the generic behavior of the LEAPIMAP4Server which, right now, it's just implemented in this test file as - LeapIMAPServer. We will move the implementation, together with + LEAPIMAPServer. We will move the implementation, together with authentication bits, to leap.mail.imap.server so it can be instantiated from the tac file. @@ -248,6 +104,7 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): """ succeed = ('testbox', 'test/box', 'test/', 'test/box/box', 'foobox') fail = ('testbox', 'test/box') + acc = self.server.theAccount def cb(): self.result.append(1) @@ -259,46 +116,54 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): return self.client.login(TEST_USER, TEST_PASSWD) def create(): + create_deferreds = [] for name in succeed + fail: d = self.client.create(name) d.addCallback(strip(cb)).addErrback(eb) - d.addCallbacks(self._cbStopClient, self._ebGeneral) + create_deferreds.append(d) + dd = defer.gatherResults(create_deferreds) + dd.addCallbacks(self._cbStopClient, self._ebGeneral) + return dd self.result = [] - d1 = self.connected.addCallback(strip(login)).addCallback( - strip(create)) + d1 = self.connected.addCallback(strip(login)) + d1.addCallback(strip(create)) d2 = self.loopback() - d = defer.gatherResults([d1, d2]) + d = defer.gatherResults([d1, d2], consumeErrors=True) + d.addCallback(lambda _: acc.account.list_all_mailbox_names()) return d.addCallback(self._cbTestCreate, succeed, fail) - def _cbTestCreate(self, ignored, succeed, fail): + def _cbTestCreate(self, mailboxes, succeed, fail): self.assertEqual(self.result, [1] * len(succeed) + [0] * len(fail)) - mboxes = list(LeapIMAPServer.theAccount.mailboxes) - answers = ([u'INBOX', u'foobox', 'test', u'test/box', - u'test/box/box', 'testbox']) - self.assertEqual(mboxes, [a for a in answers]) + answers = ([u'INBOX', u'testbox', u'test/box', u'test', + u'test/box/box', 'foobox']) + self.assertEqual(sorted(mailboxes), sorted([a for a in answers])) def testDelete(self): """ Test whether we can delete mailboxes """ - LeapIMAPServer.theAccount.addMailbox('delete/me') + def add_mailbox(): + return self.server.theAccount.addMailbox('test-delete/me') def login(): return self.client.login(TEST_USER, TEST_PASSWD) def delete(): - return self.client.delete('delete/me') + return self.client.delete('test-delete/me') - d1 = self.connected.addCallback(strip(login)) + acc = self.server.theAccount.account + + d1 = self.connected.addCallback(add_mailbox) + d1.addCallback(strip(login)) d1.addCallbacks(strip(delete), self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() d = defer.gatherResults([d1, d2]) - d.addCallback( - lambda _: self.assertEqual( - LeapIMAPServer.theAccount.mailboxes, ['INBOX'])) + d.addCallback(lambda _: acc.list_all_mailbox_names()) + d.addCallback(lambda mboxes: self.assertEqual( + mboxes, ['INBOX'])) return d def testIllegalInboxDelete(self): @@ -357,24 +222,34 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): Try deleting a mailbox with sub-folders, and \NoSelect flag set. An exception is expected. """ - LeapIMAPServer.theAccount.addMailbox('delete') - to_delete = LeapIMAPServer.theAccount.getMailbox('delete') - to_delete.setFlags((r'\Noselect',)) - to_delete.getFlags() - LeapIMAPServer.theAccount.addMailbox('delete/me') + acc = self.server.theAccount def login(): return self.client.login(TEST_USER, TEST_PASSWD) - def delete(): + def create_mailboxes(): + d1 = acc.addMailbox('delete') + d2 = acc.addMailbox('delete/me') + d = defer.gatherResults([d1, d2]) + return d + + def get_noselect_mailbox(mboxes): + mbox = mboxes[0] + return mbox.setFlags((r'\Noselect',)) + + def delete_mbox(ignored): return self.client.delete('delete') def deleteFailed(failure): self.failure = failure self.failure = None + d1 = self.connected.addCallback(strip(login)) - d1.addCallback(strip(delete)).addErrback(deleteFailed) + d1.addCallback(strip(create_mailboxes)) + d1.addCallback(get_noselect_mailbox) + + d1.addCallback(delete_mbox).addErrback(deleteFailed) d1.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() d = defer.gatherResults([d1, d2]) @@ -386,11 +261,15 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): self.assertEqual(str(self.failure.value), expected)) return d + # FIXME --- this test sometimes FAILS (timing issue). + # Some of the deferreds used in the rename op is not waiting for the + # operations properly def testRename(self): """ Test whether we can rename a mailbox """ - LeapIMAPServer.theAccount.addMailbox('oldmbox') + def create_mbox(): + return self.server.theAccount.addMailbox('oldmbox') def login(): return self.client.login(TEST_USER, TEST_PASSWD) @@ -398,15 +277,16 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): def rename(): return self.client.rename('oldmbox', 'newname') - d1 = self.connected.addCallback(strip(login)) + d1 = self.connected.addCallback(strip(create_mbox)) + d1.addCallback(strip(login)) d1.addCallbacks(strip(rename), self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() d = defer.gatherResults([d1, d2]) d.addCallback(lambda _: - self.assertEqual( - LeapIMAPServer.theAccount.mailboxes, - ['INBOX', 'newname'])) + self.server.theAccount.account.list_all_mailbox_names()) + d.addCallback(lambda mboxes: + self.assertItemsEqual(mboxes, ['INBOX', 'newname'])) return d def testIllegalInboxRename(self): @@ -440,8 +320,12 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): """ Try to rename hierarchical mailboxes """ - LeapIMAPServer.theAccount.create('oldmbox/m1') - LeapIMAPServer.theAccount.create('oldmbox/m2') + acc = self.server.theAccount + + def add_mailboxes(): + return defer.gatherResults([ + acc.addMailbox('oldmbox/m1'), + acc.addMailbox('oldmbox/m2')]) def login(): return self.client.login(TEST_USER, TEST_PASSWD) @@ -449,45 +333,65 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): def rename(): return self.client.rename('oldmbox', 'newname') - d1 = self.connected.addCallback(strip(login)) + d1 = self.connected.addCallback(strip(add_mailboxes)) + d1.addCallback(strip(login)) d1.addCallbacks(strip(rename), self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() d = defer.gatherResults([d1, d2]) + d.addCallback(lambda _: acc.account.list_all_mailbox_names()) return d.addCallback(self._cbTestHierarchicalRename) - def _cbTestHierarchicalRename(self, ignored): - mboxes = LeapIMAPServer.theAccount.mailboxes - expected = ['INBOX', 'newname', 'newname/m1', 'newname/m2'] - self.assertEqual(mboxes, [s for s in expected]) + def _cbTestHierarchicalRename(self, mailboxes): + expected = ['INBOX', 'newname/m1', 'newname/m2'] + self.assertEqual(sorted(mailboxes), sorted([s for s in expected])) def testSubscribe(self): """ Test whether we can mark a mailbox as subscribed to """ + acc = self.server.theAccount + + def add_mailbox(): + return acc.addMailbox('this/mbox') + def login(): return self.client.login(TEST_USER, TEST_PASSWD) def subscribe(): return self.client.subscribe('this/mbox') - d1 = self.connected.addCallback(strip(login)) + def get_subscriptions(ignored): + return self.server.theAccount.getSubscriptions() + + d1 = self.connected.addCallback(strip(add_mailbox)) + d1.addCallback(strip(login)) d1.addCallbacks(strip(subscribe), self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() d = defer.gatherResults([d1, d2]) - d.addCallback(lambda _: - self.assertEqual( - LeapIMAPServer.theAccount.subscriptions, - ['this/mbox'])) + d.addCallback(get_subscriptions) + d.addCallback(lambda subscriptions: + self.assertEqual(subscriptions, + ['this/mbox'])) return d def testUnsubscribe(self): """ Test whether we can unsubscribe from a set of mailboxes """ - LeapIMAPServer.theAccount.subscribe('this/mbox') - LeapIMAPServer.theAccount.subscribe('that/mbox') + acc = self.server.theAccount + + def add_mailboxes(): + return defer.gatherResults([ + acc.addMailbox('this/mbox'), + acc.addMailbox('that/mbox')]) + + def dc1(): + return acc.subscribe('this/mbox') + + def dc2(): + return acc.subscribe('that/mbox') def login(): return self.client.login(TEST_USER, TEST_PASSWD) @@ -495,24 +399,35 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): def unsubscribe(): return self.client.unsubscribe('this/mbox') - d1 = self.connected.addCallback(strip(login)) + def get_subscriptions(ignored): + return acc.getSubscriptions() + + d1 = self.connected.addCallback(strip(add_mailboxes)) + d1.addCallback(strip(login)) + d1.addCallback(strip(dc1)) + d1.addCallback(strip(dc2)) d1.addCallbacks(strip(unsubscribe), self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() d = defer.gatherResults([d1, d2]) - d.addCallback(lambda _: - self.assertEqual( - LeapIMAPServer.theAccount.subscriptions, - ['that/mbox'])) + d.addCallback(get_subscriptions) + d.addCallback(lambda subscriptions: + self.assertEqual(subscriptions, + ['that/mbox'])) return d def testSelect(self): """ Try to select a mailbox """ - self.server.theAccount.addMailbox('TESTMAILBOX-SELECT', creation_ts=42) + mbox_name = "TESTMAILBOXSELECT" self.selectedArgs = None + acc = self.server.theAccount + + def add_mailbox(): + return acc.addMailbox(mbox_name, creation_ts=42) + def login(): return self.client.login(TEST_USER, TEST_PASSWD) @@ -520,29 +435,26 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): def selected(args): self.selectedArgs = args self._cbStopClient(None) - d = self.client.select('TESTMAILBOX-SELECT') + d = self.client.select(mbox_name) d.addCallback(selected) return d - d1 = self.connected.addCallback(strip(login)) + d1 = self.connected.addCallback(strip(add_mailbox)) + d1.addCallback(strip(login)) d1.addCallback(strip(select)) - d1.addErrback(self._ebGeneral) + # d1.addErrback(self._ebGeneral) d2 = self.loopback() - return defer.gatherResults([d1, d2]).addCallback(self._cbTestSelect) + + d = defer.gatherResults([d1, d2]) + d.addCallback(self._cbTestSelect) + return d def _cbTestSelect(self, ignored): - mbox = LeapIMAPServer.theAccount.getMailbox('TESTMAILBOX-SELECT') - self.assertEqual(self.server.mbox.messages.mbox, mbox.messages.mbox) - # XXX UIDVALIDITY should be "42" if the creation_ts is passed along - # to the memory store. However, the current state of the account - # implementation is incomplete and we're writing to soledad store - # directly there. We should handle the UIDVALIDITY timestamping - # mechanism in a separate test suite. + self.assertTrue(self.selectedArgs is not None) self.assertEqual(self.selectedArgs, { - 'EXISTS': 0, 'RECENT': 0, 'UIDVALIDITY': 0, - # 'EXISTS': 0, 'RECENT': 0, 'UIDVALIDITY': 42, + 'EXISTS': 0, 'RECENT': 0, 'UIDVALIDITY': 42, 'FLAGS': ('\\Seen', '\\Answered', '\\Flagged', '\\Deleted', '\\Draft', '\\Recent', 'List'), 'READ-WRITE': True @@ -560,13 +472,16 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): caps.update(c) self.server.transport.loseConnection() return self.client.getCapabilities().addCallback(gotCaps) - d1 = self.connected.addCallback( + + d1 = self.connected + d1.addCallback( strip(getCaps)).addErrback(self._ebGeneral) + d = defer.gatherResults([self.loopback(), d1]) expected = {'IMAP4rev1': None, 'NAMESPACE': None, 'LITERAL+': None, 'IDLE': None} - - return d.addCallback(lambda _: self.assertEqual(expected, caps)) + d.addCallback(lambda _: self.assertEqual(expected, caps)) + return d def testCapabilityWithAuth(self): caps = {} @@ -587,7 +502,8 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): 'IDLE': None, 'LITERAL+': None, 'AUTH': ['CRAM-MD5']} - return d.addCallback(lambda _: self.assertEqual(expCap, caps)) + d.addCallback(lambda _: self.assertEqual(expCap, caps)) + return d # # authentication @@ -635,7 +551,6 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): return d.addCallback(self._cbTestLogin) def _cbTestLogin(self, ignored): - self.assertEqual(self.server.account, LeapIMAPServer.theAccount) self.assertEqual(self.server.state, 'auth') def testFailedLogin(self): @@ -673,7 +588,6 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): return d.addCallback(self._cbTestLoginRequiringQuoting) def _cbTestLoginRequiringQuoting(self, ignored): - self.assertEqual(self.server.account, LeapIMAPServer.theAccount) self.assertEqual(self.server.state, 'auth') # @@ -720,11 +634,13 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): for details. """ # TODO implement the IMAP4ClientExamineTests testcase. - - self.server.theAccount.addMailbox('test-mailbox-e', - creation_ts=42) + mbox_name = "test_mailbox_e" + acc = self.server.theAccount self.examinedArgs = None + def add_mailbox(): + return acc.addMailbox(mbox_name, creation_ts=42) + def login(): return self.client.login(TEST_USER, TEST_PASSWD) @@ -732,11 +648,12 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): def examined(args): self.examinedArgs = args self._cbStopClient(None) - d = self.client.examine('test-mailbox-e') + d = self.client.examine(mbox_name) d.addCallback(examined) return d - d1 = self.connected.addCallback(strip(login)) + d1 = self.connected.addCallback(strip(add_mailbox)) + d1.addCallback(strip(login)) d1.addCallback(strip(examine)) d1.addErrback(self._ebGeneral) d2 = self.loopback() @@ -744,28 +661,24 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): return d.addCallback(self._cbTestExamine) def _cbTestExamine(self, ignored): - mbox = self.server.theAccount.getMailbox('test-mailbox-e') - self.assertEqual(self.server.mbox.messages.mbox, mbox.messages.mbox) - - # XXX UIDVALIDITY should be "42" if the creation_ts is passed along - # to the memory store. However, the current state of the account - # implementation is incomplete and we're writing to soledad store - # directly there. We should handle the UIDVALIDITY timestamping - # mechanism in a separate test suite. self.assertEqual(self.examinedArgs, { - 'EXISTS': 0, 'RECENT': 0, 'UIDVALIDITY': 0, - # 'EXISTS': 0, 'RECENT': 0, 'UIDVALIDITY': 42, + 'EXISTS': 0, 'RECENT': 0, 'UIDVALIDITY': 42, 'FLAGS': ('\\Seen', '\\Answered', '\\Flagged', '\\Deleted', '\\Draft', '\\Recent', 'List'), 'READ-WRITE': False}) - def _listSetup(self, f): - LeapIMAPServer.theAccount.addMailbox('root/subthingl', - creation_ts=42) - LeapIMAPServer.theAccount.addMailbox('root/another-thing', - creation_ts=42) - LeapIMAPServer.theAccount.addMailbox('non-root/subthing', - creation_ts=42) + def _listSetup(self, f, f2=None): + + acc = self.server.theAccount + + def dc1(): + return acc.addMailbox('root_subthing', creation_ts=42) + + def dc2(): + return acc.addMailbox('root_another_thing', creation_ts=42) + + def dc3(): + return acc.addMailbox('non_root_subthing', creation_ts=42) def login(): return self.client.login(TEST_USER, TEST_PASSWD) @@ -775,6 +688,13 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): self.listed = None d1 = self.connected.addCallback(strip(login)) + d1.addCallback(strip(dc1)) + d1.addCallback(strip(dc2)) + d1.addCallback(strip(dc3)) + + if f2 is not None: + d1.addCallback(f2) + d1.addCallbacks(strip(f), self._ebGeneral) d1.addCallbacks(listed, self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) @@ -787,12 +707,13 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): """ def list(): return self.client.list('root', '%') + d = self._listSetup(list) d.addCallback(lambda listed: self.assertEqual( sortNest(listed), sortNest([ - (SoledadMailbox.INIT_FLAGS, "/", "root/subthingl"), - (SoledadMailbox.INIT_FLAGS, "/", "root/another-thing") + (IMAPMailbox.init_flags, "/", "root_subthing"), + (IMAPMailbox.init_flags, "/", "root_another_thing") ]) )) return d @@ -801,20 +722,29 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): """ Test LSub command """ - LeapIMAPServer.theAccount.subscribe('root/subthingl2') + acc = self.server.theAccount + + def subs_mailbox(): + # why not client.subscribe instead? + return acc.subscribe('root_subthing') def lsub(): return self.client.lsub('root', '%') - d = self._listSetup(lsub) + + d = self._listSetup(lsub, strip(subs_mailbox)) d.addCallback(self.assertEqual, - [(SoledadMailbox.INIT_FLAGS, "/", "root/subthingl2")]) + [(IMAPMailbox.init_flags, "/", "root_subthing")]) return d def testStatus(self): """ Test Status command """ - LeapIMAPServer.theAccount.addMailbox('root/subthings') + acc = self.server.theAccount + + def add_mailbox(): + return acc.addMailbox('root_subthings') + # XXX FIXME ---- should populate this a little bit, # with unseen etc... @@ -823,13 +753,15 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): def status(): return self.client.status( - 'root/subthings', 'MESSAGES', 'UIDNEXT', 'UNSEEN') + 'root_subthings', 'MESSAGES', 'UIDNEXT', 'UNSEEN') def statused(result): self.statused = result self.statused = None - d1 = self.connected.addCallback(strip(login)) + + d1 = self.connected.addCallback(strip(add_mailbox)) + d1.addCallback(strip(login)) d1.addCallbacks(strip(status), self._ebGeneral) d1.addCallbacks(statused, self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) @@ -886,56 +818,86 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): """ infile = util.sibpath(__file__, 'rfc822.message') message = open(infile) - LeapIMAPServer.theAccount.addMailbox('root/subthing') + acc = self.server.theAccount + mailbox_name = "appendmbox/subthing" + + def add_mailbox(): + return acc.addMailbox(mailbox_name) def login(): return self.client.login(TEST_USER, TEST_PASSWD) def append(): return self.client.append( - 'root/subthing', - message, + mailbox_name, message, ('\\SEEN', '\\DELETED'), 'Tue, 17 Jun 2003 11:22:16 -0600 (MDT)', ) - d1 = self.connected.addCallback(strip(login)) + d1 = self.connected.addCallback(strip(add_mailbox)) + d1.addCallback(strip(login)) d1.addCallbacks(strip(append), self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() d = defer.gatherResults([d1, d2]) + + d.addCallback(lambda _: acc.getMailbox(mailbox_name)) + d.addCallback(lambda mb: mb.fetch(imap4.MessageSet(start=1), True)) return d.addCallback(self._cbTestFullAppend, infile) - def _cbTestFullAppend(self, ignored, infile): - mb = LeapIMAPServer.theAccount.getMailbox('root/subthing') - self.assertEqual(1, len(mb.messages)) + def _cbTestFullAppend(self, fetched, infile): + fetched = list(fetched) + self.assertTrue(len(fetched) == 1) + self.assertTrue(len(fetched[0]) == 2) + uid, msg = fetched[0] + parsed = self.parser.parse(open(infile)) + expected_body = parsed.get_payload() + expected_headers = CaseInsensitiveDict(parsed.items()) - msg = mb.messages.get_msg_by_uid(1) - self.assertEqual( - set(('\\Recent', '\\SEEN', '\\DELETED')), - set(msg.getFlags())) + def assert_flags(flags): + self.assertEqual( + set(('\\SEEN', '\\DELETED')), + set(flags)) - self.assertEqual( - 'Tue, 17 Jun 2003 11:22:16 -0600 (MDT)', - msg.getInternalDate()) + def assert_date(date): + self.assertEqual( + 'Tue, 17 Jun 2003 11:22:16 -0600 (MDT)', + date) - parsed = self.parser.parse(open(infile)) - body = parsed.get_payload() - headers = dict(parsed.items()) - self.assertEqual( - body, - msg.getBodyFile().read()) - gotheaders = msg.getHeaders(True) + def assert_body(body): + gotbody = body.read() + self.assertEqual(expected_body, gotbody) + + def assert_headers(headers): + self.assertItemsEqual(map(string.lower, expected_headers), headers) + + d = defer.maybeDeferred(msg.getFlags) + d.addCallback(assert_flags) - self.assertItemsEqual( - headers, gotheaders) + d.addCallback(lambda _: defer.maybeDeferred(msg.getInternalDate)) + d.addCallback(assert_date) + + d.addCallback( + lambda _: defer.maybeDeferred( + msg.getBodyFile, self._soledad)) + d.addCallback(assert_body) + + d.addCallback(lambda _: defer.maybeDeferred(msg.getHeaders, True)) + d.addCallback(assert_headers) + + return d def testPartialAppend(self): """ Test partially appending a message to the mailbox """ + # TODO this test sometimes will fail because of the notify_just_mdoc infile = util.sibpath(__file__, 'rfc822.message') - LeapIMAPServer.theAccount.addMailbox('PARTIAL/SUBTHING') + + acc = self.server.theAccount + + def add_mailbox(): + return acc.addMailbox('PARTIAL/SUBTHING') def login(): return self.client.login(TEST_USER, TEST_PASSWD) @@ -950,33 +912,47 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): (), self.client._IMAP4Client__cbContinueAppend, message ) ) - d1 = self.connected.addCallback(strip(login)) + d1 = self.connected.addCallback(strip(add_mailbox)) + d1.addCallback(strip(login)) d1.addCallbacks(strip(append), self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() d = defer.gatherResults([d1, d2]) + + d.addCallback(lambda _: acc.getMailbox("PARTIAL/SUBTHING")) + d.addCallback(lambda mb: mb.fetch(imap4.MessageSet(start=1), True)) return d.addCallback( self._cbTestPartialAppend, infile) - def _cbTestPartialAppend(self, ignored, infile): - mb = LeapIMAPServer.theAccount.getMailbox('PARTIAL/SUBTHING') - self.assertEqual(1, len(mb.messages)) - msg = mb.messages.get_msg_by_uid(1) - self.assertEqual( - set(('\\SEEN', '\\Recent')), - set(msg.getFlags()) - ) + def _cbTestPartialAppend(self, fetched, infile): + fetched = list(fetched) + self.assertTrue(len(fetched) == 1) + self.assertTrue(len(fetched[0]) == 2) + uid, msg = fetched[0] parsed = self.parser.parse(open(infile)) - body = parsed.get_payload() - self.assertEqual( - body, - msg.getBodyFile().read()) + expected_body = parsed.get_payload() + + def assert_flags(flags): + self.assertEqual( + set((['\\SEEN'])), set(flags)) + + def assert_body(body): + gotbody = body.read() + self.assertEqual(expected_body, gotbody) + + d = defer.maybeDeferred(msg.getFlags) + d.addCallback(assert_flags) + + d.addCallback(lambda _: defer.maybeDeferred(msg.getBodyFile)) + d.addCallback(assert_body) + return d def testCheck(self): """ Test check command """ - LeapIMAPServer.theAccount.addMailbox('root/subthing') + def add_mailbox(): + return self.server.theAccount.addMailbox('root/subthing') def login(): return self.client.login(TEST_USER, TEST_PASSWD) @@ -987,89 +963,51 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): def check(): return self.client.check() - d = self.connected.addCallback(strip(login)) + d = self.connected.addCallbacks( + strip(add_mailbox), self._ebGeneral) + d.addCallbacks(lambda _: login(), self._ebGeneral) d.addCallbacks(strip(select), self._ebGeneral) d.addCallbacks(strip(check), self._ebGeneral) d.addCallbacks(self._cbStopClient, self._ebGeneral) - return self.loopback() - - # Okay, that was fun - - def testClose(self): - """ - Test closing the mailbox. We expect to get deleted all messages flagged - as such. - """ - name = 'mailbox-close' - self.server.theAccount.addMailbox(name) - - m = LeapIMAPServer.theAccount.getMailbox(name) - - def login(): - return self.client.login(TEST_USER, TEST_PASSWD) - - def select(): - return self.client.select(name) - - def add_messages(): - d1 = m.messages.add_msg( - 'test 1', subject="Message 1", - flags=('\\Deleted', 'AnotherFlag')) - d2 = m.messages.add_msg( - 'test 2', subject="Message 2", - flags=('AnotherFlag',)) - d3 = m.messages.add_msg( - 'test 3', subject="Message 3", - flags=('\\Deleted',)) - d = defer.gatherResults([d1, d2, d3]) - return d - - def close(): - return self.client.close() - - d = self.connected.addCallback(strip(login)) - d.addCallbacks(strip(select), self._ebGeneral) - d.addCallbacks(strip(add_messages), self._ebGeneral) - d.addCallbacks(strip(close), self._ebGeneral) - d.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() - return defer.gatherResults([d, d2]).addCallback(self._cbTestClose, m) - - def _cbTestClose(self, ignored, m): - self.assertEqual(len(m.messages), 1) - msg = m.messages.get_msg_by_uid(2) - self.assertTrue(msg is not None) + return defer.gatherResults([d, d2]) - self.assertEqual( - dict(msg.hdoc.content)['subject'], - 'Message 2') - self.failUnless(m.closed) + # Okay, that was much fun indeed def testExpunge(self): """ Test expunge command """ - name = 'mailbox-expunge' - self.server.theAccount.addMailbox(name) - m = LeapIMAPServer.theAccount.getMailbox(name) + acc = self.server.theAccount + mailbox_name = 'mailboxexpunge' + + def add_mailbox(): + return acc.addMailbox(mailbox_name) def login(): return self.client.login(TEST_USER, TEST_PASSWD) def select(): - return self.client.select('mailbox-expunge') + return self.client.select(mailbox_name) + + def save_mailbox(mailbox): + self.mailbox = mailbox + + def get_mailbox(): + d = acc.getMailbox(mailbox_name) + d.addCallback(save_mailbox) + return d def add_messages(): - d1 = m.messages.add_msg( - 'test 1', subject="Message 1", - flags=('\\Deleted', 'AnotherFlag')) - d2 = m.messages.add_msg( - 'test 2', subject="Message 2", - flags=('AnotherFlag',)) - d3 = m.messages.add_msg( - 'test 3', subject="Message 3", - flags=('\\Deleted',)) - d = defer.gatherResults([d1, d2, d3]) + d = self.mailbox.addMessage( + 'test 1', flags=('\\Deleted', 'AnotherFlag'), + notify_just_mdoc=False) + d.addCallback(lambda _: self.mailbox.addMessage( + 'test 2', flags=('AnotherFlag',), + notify_just_mdoc=False)) + d.addCallback(lambda _: self.mailbox.addMessage( + 'test 3', flags=('\\Deleted',), + notify_just_mdoc=False)) return d def expunge(): @@ -1080,47 +1018,41 @@ class LeapIMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase): self.results = results self.results = None - d1 = self.connected.addCallback(strip(login)) - d1.addCallbacks(strip(select), self._ebGeneral) + d1 = self.connected.addCallback(strip(add_mailbox)) + d1.addCallback(strip(login)) + d1.addCallback(strip(get_mailbox)) d1.addCallbacks(strip(add_messages), self._ebGeneral) + d1.addCallbacks(strip(select), self._ebGeneral) d1.addCallbacks(strip(expunge), self._ebGeneral) d1.addCallbacks(expunged, self._ebGeneral) d1.addCallbacks(self._cbStopClient, self._ebGeneral) d2 = self.loopback() d = defer.gatherResults([d1, d2]) - return d.addCallback(self._cbTestExpunge, m) + d.addCallback(lambda _: self.mailbox.getMessageCount()) + return d.addCallback(self._cbTestExpunge) - def _cbTestExpunge(self, ignored, m): + def _cbTestExpunge(self, count): # we only left 1 mssage with no deleted flag - self.assertEqual(len(m.messages), 1) - msg = m.messages.get_msg_by_uid(2) - - msg = list(m.messages)[0] - self.assertTrue(msg is not None) - - self.assertEqual( - msg.hdoc.content['subject'], - 'Message 2') - + self.assertEqual(count, 1) # the uids of the deleted messages self.assertItemsEqual(self.results, [1, 3]) -class AccountTestCase(IMAP4HelperMixin, unittest.TestCase): +class AccountTestCase(IMAP4HelperMixin): """ Test the Account. """ def _create_empty_mailbox(self): - LeapIMAPServer.theAccount.addMailbox('') + return self.server.theAccount.addMailbox('') def _create_one_mailbox(self): - LeapIMAPServer.theAccount.addMailbox('one') + return self.server.theAccount.addMailbox('one') def test_illegalMailboxCreate(self): self.assertRaises(AssertionError, self._create_empty_mailbox) -class IMAP4ServerSearchTestCase(IMAP4HelperMixin, unittest.TestCase): +class IMAP4ServerSearchTestCase(IMAP4HelperMixin): """ Tests for the behavior of the search_* functions in L{imap5.IMAP4Server}. """ diff --git a/src/leap/mail/imap/tests/test_imap_store_fetch.py b/src/leap/mail/imap/tests/test_imap_store_fetch.py deleted file mode 100644 index 6da8581..0000000 --- a/src/leap/mail/imap/tests/test_imap_store_fetch.py +++ /dev/null @@ -1,71 +0,0 @@ -from twisted.protocols import loopback -from twisted.python import util - -from leap.mail.imap.tests.utils import IMAP4HelperMixin - -TEST_USER = "testuser@leap.se" -TEST_PASSWD = "1234" - - -class StoreAndFetchTestCase(IMAP4HelperMixin): - """ - Several tests to check that the internal storage representation - is able to render the message structures as we expect them. - """ - - def setUp(self): - IMAP4HelperMixin.setUp(self) - self.received_messages = self.received_uid = None - self.result = None - - def addListener(self, x): - pass - - def removeListener(self, x): - pass - - def _addSignedMessage(self, _): - self.server.state = 'select' - infile = util.sibpath(__file__, 'rfc822.multi-signed.message') - raw = open(infile).read() - MBOX_NAME = "multipart/SIGNED" - - self.server.theAccount.addMailbox(MBOX_NAME) - mbox = self.server.theAccount.getMailbox(MBOX_NAME) - self.server.mbox = mbox - # return a deferred that will fire with UID - return self.server.mbox.messages.add_msg(raw) - - def _fetchWork(self, uids): - - def result(R): - self.result = R - - self.connected.addCallback( - self._addSignedMessage).addCallback( - lambda uid: self.function( - uids, uid=uid) # do NOT use seq numbers! - ).addCallback(result).addCallback( - self._cbStopClient).addErrback(self._ebGeneral) - - d = loopback.loopbackTCP(self.server, self.client, noisy=False) - d.addCallback(lambda x: self.assertEqual(self.result, self.expected)) - return d - - def testMultiBody(self): - """ - Test that a multipart signed message is retrieved the same - as we stored it. - """ - self.function = self.client.fetchBody - messages = '1' - - # XXX review. This probably should give everything? - - self.expected = {1: { - 'RFC822.TEXT': 'This is an example of a signed message,\n' - 'with attachments.\n\n\n--=20\n' - 'Nihil sine chao! =E2=88=B4\n', - 'UID': '1'}} - # print "test multi: fetch uid", messages - return self._fetchWork(messages) diff --git a/src/leap/mail/imap/tests/utils.py b/src/leap/mail/imap/tests/utils.py index 0932bd4..a34538b 100644 --- a/src/leap/mail/imap/tests/utils.py +++ b/src/leap/mail/imap/tests/utils.py @@ -1,30 +1,44 @@ -import os -import tempfile -import shutil - +# -*- coding: utf-8 -*- +# utils.py +# Copyright (C) 2014, 2015 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Common utilities for testing Soledad IMAP Server. +""" from email import parser from mock import Mock from twisted.mail import imap4 from twisted.internet import defer from twisted.protocols import loopback +from twisted.python import log -from leap.common.testing.basetest import BaseLeapTest -from leap.mail.imap.account import SoledadBackedAccount -from leap.mail.imap.memorystore import MemoryStore -from leap.mail.imap.server import LeapIMAPServer -from leap.soledad.client import Soledad +from leap.mail.adaptors import soledad as soledad_adaptor +from leap.mail.imap.account import IMAPAccount +from leap.mail.imap.server import LEAPIMAPServer +from leap.mail.tests.common import SoledadTestMixin TEST_USER = "testuser@leap.se" TEST_PASSWD = "1234" + # # Simple IMAP4 Client for testing # - class SimpleClient(imap4.IMAP4Client): - """ A Simple IMAP4 Client to test our Soledad-LEAPServer @@ -51,161 +65,59 @@ class SimpleClient(imap4.IMAP4Client): self.transport.loseConnection() -def initialize_soledad(email, gnupg_home, tempdir): - """ - Initializes soledad by hand - - :param email: ID for the user - :param gnupg_home: path to home used by gnupg - :param tempdir: path to temporal dir - :rtype: Soledad instance - """ - - uuid = "foobar-uuid" - passphrase = u"verysecretpassphrase" - secret_path = os.path.join(tempdir, "secret.gpg") - local_db_path = os.path.join(tempdir, "soledad.u1db") - server_url = "http://provider" - cert_file = "" - - class MockSharedDB(object): - - get_doc = Mock(return_value=None) - put_doc = Mock() - lock = Mock(return_value=('atoken', 300)) - unlock = Mock(return_value=True) - - def __call__(self): - return self - - Soledad._shared_db = MockSharedDB() - - _soledad = Soledad( - uuid, - passphrase, - secret_path, - local_db_path, - server_url, - cert_file) - - return _soledad - - -# XXX this is not properly a mixin, since helper already inherits from -# uniittest.Testcase -class IMAP4HelperMixin(BaseLeapTest): +class IMAP4HelperMixin(SoledadTestMixin): """ MixIn containing several utilities to be shared across different TestCases """ - serverCTX = None clientCTX = None - # setUpClass cannot be a classmethod in trial, see: - # https://twistedmatrix.com/trac/ticket/1870 - def setUp(self): - """ - Setup method for each test. - - Initializes and run a LEAP IMAP4 Server, - but passing the same Soledad instance (it's costly to initialize), - so we have to be sure to restore state across tests. - """ - self.old_path = os.environ['PATH'] - self.old_home = os.environ['HOME'] - self.tempdir = tempfile.mkdtemp(prefix="leap_tests-") - self.home = self.tempdir - bin_tdir = os.path.join( - self.tempdir, - 'bin') - os.environ["PATH"] = bin_tdir - os.environ["HOME"] = self.tempdir - - # Soledad: config info - self.gnupg_home = "%s/gnupg" % self.tempdir - self.email = 'leap@leap.se' - - # initialize soledad by hand so we can control keys - self._soledad = initialize_soledad( - self.email, - self.gnupg_home, - self.tempdir) - UUID = 'deadbeef', - USERID = TEST_USER - memstore = MemoryStore() - - ########### - d = defer.Deferred() - self.server = LeapIMAPServer( - uuid=UUID, userid=USERID, - contextFactory=self.serverCTX, - # XXX do we really need this?? - soledad=self._soledad) + soledad_adaptor.cleanup_deferred_locks() - self.client = SimpleClient(d, contextFactory=self.clientCTX) - self.connected = d - - # XXX REVIEW-ME. - # We're adding theAccount here to server - # but it was also passed to initialization - # as it was passed to realm. - # I THINK we ONLY need to do it at one place now. - - theAccount = SoledadBackedAccount( - USERID, - soledad=self._soledad, - memstore=memstore) - LeapIMAPServer.theAccount = theAccount - - # in case we get something from previous tests... - for mb in self.server.theAccount.mailboxes: - self.server.theAccount.delete(mb) + UUID = 'deadbeef', + USERID = TEST_USER - # email parser - self.parser = parser.Parser() + def setup_server(account): + self.server = LEAPIMAPServer( + uuid=UUID, userid=USERID, + contextFactory=self.serverCTX, + soledad=self._soledad) + self.server.theAccount = account + + d_server_ready = defer.Deferred() + self.client = SimpleClient( + d_server_ready, contextFactory=self.clientCTX) + self.connected = d_server_ready + + def setup_account(_): + self.parser = parser.Parser() + + # XXX this should be fixed in soledad. + # Soledad sync makes trial block forever. The sync it's mocked to + # fix this problem. _mock_soledad_get_from_index can be used from + # the tests to provide documents. + # TODO see here, possibly related? + # -- http://www.pythoneye.com/83_20424875/ + self._soledad.sync = Mock() + + d = defer.Deferred() + self.acc = IMAPAccount(USERID, self._soledad, d=d) + return d + + d = super(IMAP4HelperMixin, self).setUp() + d.addCallback(setup_account) + d.addCallback(setup_server) + return d def tearDown(self): - """ - tearDown method called after each test. - - Deletes all documents in the Index, and deletes - instances of server and client. - """ - try: - self._soledad.close() - os.environ["PATH"] = self.old_path - os.environ["HOME"] = self.old_home - # safety check - assert 'leap_tests-' in self.tempdir - shutil.rmtree(self.tempdir) - except Exception: - print "ERROR WHILE CLOSING SOLEDAD" - - def populateMessages(self): - """ - Populates soledad instance with several simple messages - """ - # XXX we should encapsulate this thru SoledadBackedAccount - # instead. - - # XXX we also should put this in a mailbox! - - self._soledad.messages.add_msg('', subject="test1") - self._soledad.messages.add_msg('', subject="test2") - self._soledad.messages.add_msg('', subject="test3") - # XXX should change Flags too - self._soledad.messages.add_msg('', subject="test4") - - def delete_all_docs(self): - """ - Deletes all the docs in the testing instance of the - SoledadBackedAccount. - """ - self.server.theAccount.deleteAllMessages( - iknowhatiamdoing=True) + SoledadTestMixin.tearDown(self) + del self._soledad + del self.client + del self.server + del self.connected def _cbStopClient(self, ignore): self.client.transport.loseConnection() @@ -213,13 +125,8 @@ class IMAP4HelperMixin(BaseLeapTest): def _ebGeneral(self, failure): self.client.transport.loseConnection() self.server.transport.loseConnection() - # can we do something similar? - # I guess this was ok with trial, but not in noseland... - # log.err(failure, "Problem with %r" % (self.function,)) - raise failure.value - # failure.trap(Exception) + if hasattr(self, 'function'): + log.err(failure, "Problem with %r" % (self.function,)) def loopback(self): return loopback.loopbackAsync(self.server, self.client) - - diff --git a/src/leap/mail/imap/tests/walktree.py b/src/leap/mail/imap/tests/walktree.py index 695f487..f259a55 100644 --- a/src/leap/mail/imap/tests/walktree.py +++ b/src/leap/mail/imap/tests/walktree.py @@ -1,4 +1,4 @@ -#t -*- coding: utf-8 -*- +# -*- coding: utf-8 -*- # walktree.py # Copyright (C) 2013 LEAP # @@ -19,6 +19,7 @@ Tests for the walktree module. """ import os import sys +import pprint from email import parser from leap.mail import walk as W @@ -118,7 +119,6 @@ if DEBUG and DO_CHECK: print "Structure: OK" -import pprint print print "RAW DOCS" pprint.pprint(raw_docs) diff --git a/src/leap/mail/incoming/__init__.py b/src/leap/mail/incoming/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/src/leap/mail/incoming/__init__.py diff --git a/src/leap/mail/incoming/service.py b/src/leap/mail/incoming/service.py new file mode 100644 index 0000000..2bc6751 --- /dev/null +++ b/src/leap/mail/incoming/service.py @@ -0,0 +1,766 @@ +# -*- coding: utf-8 -*- +# service.py +# Copyright (C) 2015 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Incoming mail fetcher. +""" +import copy +import logging +import shlex +import time +import traceback +import warnings + +from email.parser import Parser +from email.generator import Generator +from email.utils import parseaddr +from email.utils import formatdate +from StringIO import StringIO +from urlparse import urlparse + +from twisted.application.service import Service +from twisted.python import log +from twisted.internet import defer, reactor +from twisted.internet.task import LoopingCall +from twisted.internet.task import deferLater +from u1db import errors as u1db_errors + +from leap.common.events import emit, catalog +from leap.common.check import leap_assert, leap_assert_type +from leap.common.mail import get_email_charset +from leap.keymanager import errors as keymanager_errors +from leap.keymanager.openpgp import OpenPGPKey +from leap.mail.adaptors import soledad_indexes as fields +from leap.mail.utils import json_loads, empty, first +from leap.soledad.client import Soledad +from leap.soledad.common.crypto import ENC_SCHEME_KEY, ENC_JSON_KEY +from leap.soledad.common.errors import InvalidAuthTokenError + + +logger = logging.getLogger(__name__) + +MULTIPART_ENCRYPTED = "multipart/encrypted" +MULTIPART_SIGNED = "multipart/signed" +PGP_BEGIN = "-----BEGIN PGP MESSAGE-----" +PGP_END = "-----END PGP MESSAGE-----" + +# The period between succesive checks of the incoming mail +# queue (in seconds) +INCOMING_CHECK_PERIOD = 60 + + +class MalformedMessage(Exception): + """ + Raised when a given message is not well formed. + """ + pass + + +class IncomingMail(Service): + """ + Fetches and process mail from the incoming pool. + + This object implements IService interface, has public methods + startService and stopService that will actually initiate a + LoopingCall with check_period recurrency. + The LoopingCall itself will invoke the fetch method each time + that the check_period expires. + + This loop will sync the soledad db with the remote server and + process all the documents found tagged as incoming mail. + """ + # TODO implements IService? + + name = "IncomingMail" + + RECENT_FLAG = "\\Recent" + CONTENT_KEY = "content" + + LEAP_SIGNATURE_HEADER = 'X-Leap-Signature' + """ + Header added to messages when they are decrypted by the fetcher, + which states the validity of an eventual signature that might be included + in the encrypted blob. + """ + LEAP_SIGNATURE_VALID = 'valid' + LEAP_SIGNATURE_INVALID = 'invalid' + LEAP_SIGNATURE_COULD_NOT_VERIFY = 'could not verify' + + def __init__(self, keymanager, soledad, inbox, userid, + check_period=INCOMING_CHECK_PERIOD): + + """ + Initialize IncomingMail.. + + :param keymanager: a keymanager instance + :type keymanager: keymanager.KeyManager + + :param soledad: a soledad instance + :type soledad: Soledad + + :param inbox: the collection for the inbox where the new emails will be + stored + :type inbox: MessageCollection + + :param check_period: the period to fetch new mail, in seconds. + :type check_period: int + """ + + leap_assert(keymanager, "need a keymanager to initialize") + leap_assert_type(soledad, Soledad) + leap_assert(check_period, "need a period to check incoming mail") + leap_assert_type(check_period, int) + leap_assert(userid, "need a userid to initialize") + + self._keymanager = keymanager + self._soledad = soledad + self._inbox_collection = inbox + self._userid = userid + + self._listeners = [] + self._loop = None + self._check_period = check_period + + # initialize a mail parser only once + self._parser = Parser() + + def add_listener(self, listener): + """ + Add a listener to inbox insertions. + + This listener function will be called for each message added to the + inbox with its uid as parameter. This function should not be blocking + or it will block the incoming queue. + + :param listener: the listener function + :type listener: callable + """ + self._listeners.append(listener) + + # + # Public API: fetch, start_loop, stop. + # + + def fetch(self): + """ + Fetch incoming mail, to be called periodically. + + Calls a deferred that will execute the fetch callback + in a separate thread + """ + def _sync_errback(failure): + log.err(failure) + + def syncSoledadCallback(_): + # XXX this should be moved to adaptors + d = self._soledad.get_from_index( + fields.JUST_MAIL_IDX, "1", "0") + d.addCallback(self._process_doclist) + d.addErrback(_sync_errback) + return d + + logger.debug("fetching mail for: %s %s" % ( + self._soledad.uuid, self._userid)) + d = self._sync_soledad() + d.addCallbacks(syncSoledadCallback, self._errback) + d.addCallbacks(self._signal_fetch_to_ui, self._errback) + return d + + def startService(self): + """ + Starts a loop to fetch mail. + """ + Service.startService(self) + if self._loop is None: + self._loop = LoopingCall(self.fetch) + return self._loop.start(self._check_period) + else: + logger.warning("Tried to start an already running fetching loop.") + + def stopService(self): + """ + Stops the loop that fetches mail. + """ + if self._loop and self._loop.running is True: + self._loop.stop() + self._loop = None + Service.stopService(self) + + # + # Private methods. + # + + # synchronize incoming mail + + def _errback(self, failure): + log.err(failure) + + def _sync_soledad(self): + """ + Synchronize with remote soledad. + + :returns: a list of LeapDocuments, or None. + :rtype: iterable or None + """ + def _log_synced(result): + log.msg('FETCH soledad SYNCED.') + return result + try: + log.msg('FETCH: syncing soledad...') + d = self._soledad.sync() + d.addCallback(_log_synced) + return d + # TODO is this still raised? or should we do failure.trap + # instead? + except InvalidAuthTokenError: + # if the token is invalid, send an event so the GUI can + # disable mail and show an error message. + emit(catalog.SOLEDAD_INVALID_AUTH_TOKEN) + + def _signal_fetch_to_ui(self, doclist): + """ + Send leap events to ui. + + :param doclist: iterable with msg documents. + :type doclist: iterable. + :returns: doclist + :rtype: iterable + """ + if doclist: + fetched_ts = time.mktime(time.gmtime()) + num_mails = len(doclist) if doclist is not None else 0 + if num_mails != 0: + log.msg("there are %s mails" % (num_mails,)) + emit(catalog.MAIL_FETCHED_INCOMING, + str(num_mails), str(fetched_ts)) + return doclist + + def _signal_unread_to_ui(self, *args): + """ + Sends unread event to ui. + """ + emit(catalog.MAIL_UNREAD_MESSAGES, + str(self._inbox_collection.count_unseen())) + + # process incoming mail. + + def _process_doclist(self, doclist): + """ + Iterates through the doclist, checks if each doc + looks like a message, and yields a deferred that will decrypt and + process the message. + + :param doclist: iterable with msg documents. + :type doclist: iterable. + :returns: a list of deferreds for individual messages. + """ + log.msg('processing doclist') + if not doclist: + logger.debug("no docs found") + return + num_mails = len(doclist) + + deferreds = [] + for index, doc in enumerate(doclist): + logger.debug("processing doc %d of %d" % (index + 1, num_mails)) + emit(catalog.MAIL_MSG_PROCESSING, + str(index), str(num_mails)) + + keys = doc.content.keys() + + # TODO Compatibility check with the index in pre-0.6 mx + # that does not write the ERROR_DECRYPTING_KEY + # This should be removed in 0.7 + + has_errors = doc.content.get(fields.ERROR_DECRYPTING_KEY, None) + if has_errors is None: + warnings.warn("JUST_MAIL_COMPAT_IDX will be deprecated!", + DeprecationWarning) + + if has_errors: + logger.debug("skipping msg with decrypting errors...") + elif self._is_msg(keys): + d = self._decrypt_doc(doc) + d.addCallback(self._extract_keys) + d.addCallbacks(self._add_message_locally, self._errback) + deferreds.append(d) + d = defer.gatherResults(deferreds, consumeErrors=True) + d.addCallback(lambda _: doclist) + return d + + # + # operations on individual messages + # + + def _decrypt_doc(self, doc): + """ + Decrypt the contents of a document. + + :param doc: A document containing an encrypted message. + :type doc: SoledadDocument + + :return: A Deferred that will be fired with the document and the + decrypted message. + :rtype: SoledadDocument, str + """ + log.msg('decrypting msg') + + def process_decrypted(res): + if isinstance(res, tuple): + decrdata, _ = res + success = True + else: + decrdata = "" + success = False + + emit(catalog.MAIL_MSG_DECRYPTED, "1" if success else "0") + return self._process_decrypted_doc(doc, decrdata) + + d = self._keymanager.decrypt( + doc.content[ENC_JSON_KEY], + self._userid, OpenPGPKey) + d.addErrback(self._errback) + d.addCallback(process_decrypted) + d.addCallback(lambda data: (doc, data)) + return d + + def _process_decrypted_doc(self, doc, data): + """ + Process a document containing a succesfully decrypted message. + + :param doc: the incoming message + :type doc: SoledadDocument + :param data: the json-encoded, decrypted content of the incoming + message + :type data: str + + :return: a Deferred that will be fired with an str of the proccessed + data. + :rtype: Deferred + """ + log.msg('processing decrypted doc') + + # XXX turn this into an errBack for each one of + # the deferreds that would process an individual document + try: + msg = json_loads(data) + except UnicodeError as exc: + logger.error("Error while decrypting %s" % (doc.doc_id,)) + logger.exception(exc) + + # we flag the message as "with decrypting errors", + # to avoid further decryption attempts during sync + # cycles until we're prepared to deal with that. + # What is the same, when Ivan deals with it... + # A new decrypting attempt event could be triggered by a + # future a library upgrade, or a cli flag to the client, + # we just `defer` that for now... :) + doc.content[fields.ERROR_DECRYPTING_KEY] = True + deferLater(reactor, 0, self._update_incoming_message, doc) + + # FIXME this is just a dirty hack to delay the proper + # deferred organization here... + # and remember, boys, do not do this at home. + return [] + + if not isinstance(msg, dict): + defer.returnValue(False) + if not msg.get(fields.INCOMING_KEY, False): + defer.returnValue(False) + + # ok, this is an incoming message + rawmsg = msg.get(self.CONTENT_KEY, None) + if not rawmsg: + return "" + return self._maybe_decrypt_msg(rawmsg) + + def _update_incoming_message(self, doc): + """ + Do a put for a soledad document. This probably has been called only + in the case that we've needed to update the ERROR_DECRYPTING_KEY + flag in an incoming message, to get it out of the decrypting queue. + + :param doc: the SoledadDocument to update + :type doc: SoledadDocument + """ + log.msg("Updating Incoming MSG: SoledadDoc %s" % (doc.doc_id)) + return self._soledad.put_doc(doc) + + def _delete_incoming_message(self, doc): + """ + Delete document. + + :param doc: the SoledadDocument to delete + :type doc: SoledadDocument + """ + log.msg("Deleting Incoming message: %s" % (doc.doc_id,)) + return self._soledad.delete_doc(doc) + + def _maybe_decrypt_msg(self, data): + """ + Tries to decrypt a gpg message if data looks like one. + + :param data: the text to be decrypted. + :type data: str + + :return: a Deferred that will be fired with an str of data, possibly + decrypted. + :rtype: Deferred + """ + leap_assert_type(data, str) + log.msg('maybe decrypting doc') + + # parse the original message + encoding = get_email_charset(data) + msg = self._parser.parsestr(data) + + fromHeader = msg.get('from', None) + senderAddress = None + if (fromHeader is not None and + (msg.get_content_type() == MULTIPART_ENCRYPTED or + msg.get_content_type() == MULTIPART_SIGNED)): + senderAddress = parseaddr(fromHeader)[1] + + def add_leap_header(ret): + decrmsg, signkey = ret + if (senderAddress is None or signkey is None or + isinstance(signkey, keymanager_errors.KeyNotFound)): + decrmsg.add_header( + self.LEAP_SIGNATURE_HEADER, + self.LEAP_SIGNATURE_COULD_NOT_VERIFY) + elif isinstance(signkey, keymanager_errors.InvalidSignature): + decrmsg.add_header( + self.LEAP_SIGNATURE_HEADER, + self.LEAP_SIGNATURE_INVALID) + else: + decrmsg.add_header( + self.LEAP_SIGNATURE_HEADER, + self.LEAP_SIGNATURE_VALID, + pubkey=signkey.key_id) + return decrmsg.as_string() + + if msg.get_content_type() == MULTIPART_ENCRYPTED: + d = self._decrypt_multipart_encrypted_msg( + msg, encoding, senderAddress) + else: + d = self._maybe_decrypt_inline_encrypted_msg( + msg, encoding, senderAddress) + d.addCallback(add_leap_header) + return d + + def _decrypt_multipart_encrypted_msg(self, msg, encoding, senderAddress): + """ + Decrypt a message with content-type 'multipart/encrypted'. + + :param msg: The original encrypted message. + :type msg: Message + :param encoding: The encoding of the email message. + :type encoding: str + :param senderAddress: The email address of the sender of the message. + :type senderAddress: str + + :return: A Deferred that will be fired with a tuple containing a + decrypted Message and the signing OpenPGPKey if the signature + is valid or InvalidSignature or KeyNotFound. + :rtype: Deferred + """ + log.msg('decrypting multipart encrypted msg') + msg = copy.deepcopy(msg) + self._msg_multipart_sanity_check(msg) + + # parse message and get encrypted content + pgpencmsg = msg.get_payload()[1] + encdata = pgpencmsg.get_payload() + + # decrypt or fail gracefully + def build_msg(res): + decrdata, signkey = res + + decrmsg = self._parser.parsestr(decrdata) + # remove original message's multipart/encrypted content-type + del(msg['content-type']) + + # replace headers back in original message + for hkey, hval in decrmsg.items(): + try: + # this will raise KeyError if header is not present + msg.replace_header(hkey, hval) + except KeyError: + msg[hkey] = hval + + # all ok, replace payload by unencrypted payload + msg.set_payload(decrmsg.get_payload()) + return (msg, signkey) + + d = self._keymanager.decrypt( + encdata, self._userid, OpenPGPKey, + verify=senderAddress) + d.addCallbacks(build_msg, self._decryption_error, errbackArgs=(msg,)) + return d + + def _maybe_decrypt_inline_encrypted_msg(self, origmsg, encoding, + senderAddress): + """ + Possibly decrypt an inline OpenPGP encrypted message. + + :param origmsg: The original, possibly encrypted message. + :type origmsg: Message + :param encoding: The encoding of the email message. + :type encoding: str + :param senderAddress: The email address of the sender of the message. + :type senderAddress: str + + :return: A Deferred that will be fired with a tuple containing a + decrypted Message and the signing OpenPGPKey if the signature + is valid or InvalidSignature or KeyNotFound. + :rtype: Deferred + """ + log.msg('maybe decrypting inline encrypted msg') + # serialize the original message + buf = StringIO() + g = Generator(buf) + g.flatten(origmsg) + data = buf.getvalue() + + def decrypted_data(res): + decrdata, signkey = res + return data.replace(pgp_message, decrdata), signkey + + def encode_and_return(res): + data, signkey = res + if isinstance(data, unicode): + data = data.encode(encoding, 'replace') + return (self._parser.parsestr(data), signkey) + + # handle exactly one inline PGP message + if PGP_BEGIN in data: + begin = data.find(PGP_BEGIN) + end = data.find(PGP_END) + pgp_message = data[begin:end + len(PGP_END)] + d = self._keymanager.decrypt( + pgp_message, self._userid, OpenPGPKey, + verify=senderAddress) + d.addCallbacks(decrypted_data, self._decryption_error, + errbackArgs=(data,)) + else: + d = defer.succeed((data, None)) + d.addCallback(encode_and_return) + return d + + def _decryption_error(self, failure, msg): + """ + Check for known decryption errors + """ + if failure.check(keymanager_errors.DecryptError): + logger.warning('Failed to decrypt encrypted message (%s). ' + 'Storing message without modifications.' + % str(failure.value)) + return (msg, None) + elif failure.check(keymanager_errors.KeyNotFound): + logger.error('Failed to find private key for decryption (%s). ' + 'Storing message without modifications.' + % str(failure.value)) + return (msg, None) + else: + return failure + + def _extract_keys(self, msgtuple): + """ + Retrieve attached keys to the mesage and parse message headers for an + *OpenPGP* header as described on the `IETF draft + <http://tools.ietf.org/html/draft-josefsson-openpgp-mailnews-header-06>` + only urls with https and the same hostname than the email are supported + for security reasons. + + :param msgtuple: a tuple consisting of a SoledadDocument + instance containing the incoming message + and data, the json-encoded, decrypted content of the + incoming message + :type msgtuple: (SoledadDocument, str) + + :return: A Deferred that will be fired with msgtuple when key + extraction finishes + :rtype: Deferred + """ + OpenPGP_HEADER = 'OpenPGP' + doc, data = msgtuple + + # XXX the parsing of the message is done in mailbox.addMessage, maybe + # we should do it in this module so we don't need to parse it again + # here + msg = self._parser.parsestr(data) + _, fromAddress = parseaddr(msg['from']) + + header = msg.get(OpenPGP_HEADER, None) + dh = defer.succeed(None) + if header is not None: + dh = self._extract_openpgp_header(header, fromAddress) + + da = defer.succeed(None) + if msg.is_multipart(): + da = self._extract_attached_key(msg.get_payload(), fromAddress) + + d = defer.gatherResults([dh, da]) + d.addCallback(lambda _: msgtuple) + return d + + def _extract_openpgp_header(self, header, address): + """ + Import keys from the OpenPGP header + + :param header: OpenPGP header string + :type header: str + :param address: email address in the from header + :type address: str + + :return: A Deferred that will be fired when header extraction is done + :rtype: Deferred + """ + d = defer.succeed(None) + fields = dict([f.strip(' ').split('=') for f in header.split(';')]) + if 'url' in fields: + url = shlex.split(fields['url'])[0] # remove quotations + urlparts = urlparse(url) + addressHostname = address.split('@')[1] + if ( + urlparts.scheme == 'https' and + urlparts.hostname == addressHostname + ): + def fetch_error(failure): + if failure.check(keymanager_errors.KeyNotFound): + logger.warning("Url from OpenPGP header %s failed" + % (url,)) + elif failure.check(keymanager_errors.KeyAttributesDiffer): + logger.warning("Key from OpenPGP header url %s didn't " + "match the from address %s" + % (url, address)) + else: + return failure + + d = self._keymanager.fetch_key(address, url, OpenPGPKey) + d.addCallback( + lambda _: + logger.info("Imported key from header %s" % (url,))) + d.addErrback(fetch_error) + else: + logger.debug("No valid url on OpenPGP header %s" % (url,)) + else: + logger.debug("There is no url on the OpenPGP header: %s" + % (header,)) + return d + + def _extract_attached_key(self, attachments, address): + """ + Import keys from the attachments + + :param attachments: email attachment list + :type attachments: list(email.Message) + :param address: email address in the from header + :type address: str + + :return: A Deferred that will be fired when all the keys are stored + :rtype: Deferred + """ + MIME_KEY = "application/pgp-keys" + + deferreds = [] + for attachment in attachments: + if MIME_KEY == attachment.get_content_type(): + logger.debug("Add key from attachment") + d = self._keymanager.put_raw_key( + attachment.get_payload(), + OpenPGPKey, + address=address) + deferreds.append(d) + return defer.gatherResults(deferreds) + + def _add_message_locally(self, msgtuple): + """ + Adds a message to local inbox and delete it from the incoming db + in soledad. + + :param msgtuple: a tuple consisting of a SoledadDocument + instance containing the incoming message + and data, the json-encoded, decrypted content of the + incoming message + :type msgtuple: (SoledadDocument, str) + + :return: A Deferred that will be fired when the messages is stored + :rtype: Defferred + """ + doc, raw_data = msgtuple + insertion_date = formatdate(time.time()) + log.msg('adding message %s to local db' % (doc.doc_id,)) + + def msgSavedCallback(result): + if empty(result): + return + + for listener in self._listeners: + listener(result) + + def signal_deleted(doc_id): + emit(catalog.MAIL_MSG_DELETED_INCOMING) + return doc_id + + emit(catalog.MAIL_MSG_SAVED_LOCALLY) + d = self._delete_incoming_message(doc) + d.addCallback(signal_deleted) + return d + + d = self._inbox_collection.add_msg( + raw_data, (self.RECENT_FLAG,), date=insertion_date) + d.addCallbacks(msgSavedCallback, self._errback) + return d + + # + # helpers + # + + def _msg_multipart_sanity_check(self, msg): + """ + Performs a sanity check against a multipart encrypted msg + + :param msg: The original encrypted message. + :type msg: Message + """ + # sanity check + payload = msg.get_payload() + if len(payload) != 2: + raise MalformedMessage( + 'Multipart/encrypted messages should have exactly 2 body ' + 'parts (instead of %d).' % len(payload)) + if payload[0].get_content_type() != 'application/pgp-encrypted': + raise MalformedMessage( + "Multipart/encrypted messages' first body part should " + "have content type equal to 'application/pgp-encrypted' " + "(instead of %s)." % payload[0].get_content_type()) + if payload[1].get_content_type() != 'application/octet-stream': + raise MalformedMessage( + "Multipart/encrypted messages' second body part should " + "have content type equal to 'octet-stream' (instead of " + "%s)." % payload[1].get_content_type()) + + def _is_msg(self, keys): + """ + Checks if the keys of a dictionary match the signature + of the document type we use for messages. + + :param keys: iterable containing the strings to match. + :type keys: iterable of strings. + :rtype: bool + """ + return ENC_SCHEME_KEY in keys and ENC_JSON_KEY in keys diff --git a/src/leap/mail/incoming/tests/__init__.py b/src/leap/mail/incoming/tests/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/src/leap/mail/incoming/tests/__init__.py diff --git a/src/leap/mail/incoming/tests/test_incoming_mail.py b/src/leap/mail/incoming/tests/test_incoming_mail.py new file mode 100644 index 0000000..f43f746 --- /dev/null +++ b/src/leap/mail/incoming/tests/test_incoming_mail.py @@ -0,0 +1,260 @@ +# -*- coding: utf-8 -*- +# test_incoming_mail.py +# Copyright (C) 2015 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Test case for leap.mail.incoming.service + +@authors: Ruben Pollan, <meskio@sindominio.net> + +@license: GPLv3, see included LICENSE file +""" + +import json + +from email.mime.application import MIMEApplication +from email.mime.multipart import MIMEMultipart +from email.parser import Parser +from mock import Mock +from twisted.internet import defer + +from leap.keymanager.openpgp import OpenPGPKey +from leap.mail.adaptors import soledad_indexes as fields +from leap.mail.constants import INBOX_NAME +from leap.mail.imap.account import IMAPAccount +from leap.mail.incoming.service import IncomingMail +from leap.mail.smtp.rfc3156 import MultipartEncrypted, PGPEncrypted +from leap.mail.tests import ( + TestCaseWithKeyManager, + ADDRESS, + ADDRESS_2, +) +from leap.soledad.common.document import SoledadDocument +from leap.soledad.common.crypto import ( + EncryptionSchemes, + ENC_JSON_KEY, + ENC_SCHEME_KEY, +) + +# TODO: add some tests for encrypted, unencrypted, signed and unsgined messages + + +class IncomingMailTestCase(TestCaseWithKeyManager): + """ + Tests for the incoming mail parser + """ + NICKSERVER = "http://domain" + BODY = """ +Governments of the Industrial World, you weary giants of flesh and steel, I +come from Cyberspace, the new home of Mind. On behalf of the future, I ask +you of the past to leave us alone. You are not welcome among us. You have +no sovereignty where we gather. + """ + EMAIL = """from: Test from SomeDomain <%(from)s> +to: %(to)s +subject: independence of cyberspace + +%(body)s + """ % { + "from": ADDRESS_2, + "to": ADDRESS, + "body": BODY + } + + def setUp(self): + def getInbox(_): + d = defer.Deferred() + theAccount = IMAPAccount(ADDRESS, self._soledad, d=d) + d.addCallback( + lambda _: theAccount.getMailbox(INBOX_NAME)) + return d + + def setUpFetcher(inbox): + # Soledad sync makes trial block forever. The sync it's mocked to + # fix this problem. _mock_soledad_get_from_index can be used from + # the tests to provide documents. + # TODO ---- see here http://www.pythoneye.com/83_20424875/ + self._soledad.sync = Mock(return_value=defer.succeed(None)) + + self.fetcher = IncomingMail( + self._km, + self._soledad, + inbox.collection, + ADDRESS) + + # The messages don't exist on soledad will fail on deletion + self.fetcher._delete_incoming_message = Mock( + return_value=defer.succeed(None)) + + d = super(IncomingMailTestCase, self).setUp() + d.addCallback(getInbox) + d.addCallback(setUpFetcher) + return d + + def tearDown(self): + del self.fetcher + return super(IncomingMailTestCase, self).tearDown() + + def testExtractOpenPGPHeader(self): + """ + Test the OpenPGP header key extraction + """ + KEYURL = "https://leap.se/key.txt" + OpenPGP = "id=12345678; url=\"%s\"; preference=signencrypt" % (KEYURL,) + + message = Parser().parsestr(self.EMAIL) + message.add_header("OpenPGP", OpenPGP) + self.fetcher._keymanager.fetch_key = Mock( + return_value=defer.succeed(None)) + + def fetch_key_called(ret): + self.fetcher._keymanager.fetch_key.assert_called_once_with( + ADDRESS_2, KEYURL, OpenPGPKey) + + d = self._create_incoming_email(message.as_string()) + d.addCallback( + lambda email: + self._mock_soledad_get_from_index(fields.JUST_MAIL_IDX, [email])) + d.addCallback(lambda _: self.fetcher.fetch()) + d.addCallback(fetch_key_called) + return d + + def testExtractOpenPGPHeaderInvalidUrl(self): + """ + Test the OpenPGP header key extraction + """ + KEYURL = "https://someotherdomain.com/key.txt" + OpenPGP = "id=12345678; url=\"%s\"; preference=signencrypt" % (KEYURL,) + + message = Parser().parsestr(self.EMAIL) + message.add_header("OpenPGP", OpenPGP) + self.fetcher._keymanager.fetch_key = Mock() + + def fetch_key_called(ret): + self.assertFalse(self.fetcher._keymanager.fetch_key.called) + + d = self._create_incoming_email(message.as_string()) + d.addCallback( + lambda email: + self._mock_soledad_get_from_index(fields.JUST_MAIL_IDX, [email])) + d.addCallback(lambda _: self.fetcher.fetch()) + d.addCallback(fetch_key_called) + return d + + def testExtractAttachedKey(self): + """ + Test the OpenPGP header key extraction + """ + KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n..." + + message = MIMEMultipart() + message.add_header("from", ADDRESS_2) + key = MIMEApplication("", "pgp-keys") + key.set_payload(KEY) + message.attach(key) + self.fetcher._keymanager.put_raw_key = Mock( + return_value=defer.succeed(None)) + self.fetcher._keymanager.fetch_key = Mock() + + def put_raw_key_called(_): + self.fetcher._keymanager.put_raw_key.assert_called_once_with( + KEY, OpenPGPKey, address=ADDRESS_2) + + d = self._do_fetch(message.as_string()) + d.addCallback(put_raw_key_called) + return d + + def testDecryptEmail(self): + self.fetcher._decryption_error = Mock() + + def create_encrypted_message(encstr): + message = Parser().parsestr(self.EMAIL) + newmsg = MultipartEncrypted('application/pgp-encrypted') + for hkey, hval in message.items(): + newmsg.add_header(hkey, hval) + + encmsg = MIMEApplication( + encstr, _subtype='octet-stream', _encoder=lambda x: x) + encmsg.add_header('content-disposition', 'attachment', + filename='msg.asc') + # create meta message + metamsg = PGPEncrypted() + metamsg.add_header('Content-Disposition', 'attachment') + # attach pgp message parts to new message + newmsg.attach(metamsg) + newmsg.attach(encmsg) + return newmsg + + def decryption_error_not_called(_): + self.assertFalse(self.fetcher._decyption_error.called, + "There was some errors with decryption") + + d = self._km.encrypt( + self.EMAIL, + ADDRESS, OpenPGPKey, sign=ADDRESS_2) + d.addCallback(create_encrypted_message) + d.addCallback( + lambda message: + self._do_fetch(message.as_string())) + return d + + def testListener(self): + self.called = False + + def listener(uid): + self.called = True + + def listener_called(_): + self.assertTrue(self.called) + + self.fetcher.add_listener(listener) + d = self._do_fetch(self.EMAIL) + d.addCallback(listener_called) + return d + + def _do_fetch(self, message): + d = self._create_incoming_email(message) + d.addCallback( + lambda email: + self._mock_soledad_get_from_index(fields.JUST_MAIL_IDX, [email])) + d.addCallback(lambda _: self.fetcher.fetch()) + return d + + def _create_incoming_email(self, email_str): + email = SoledadDocument() + data = json.dumps( + {"incoming": True, "content": email_str}, + ensure_ascii=False) + + def set_email_content(encr_data): + email.content = { + fields.INCOMING_KEY: True, + fields.ERROR_DECRYPTING_KEY: False, + ENC_SCHEME_KEY: EncryptionSchemes.PUBKEY, + ENC_JSON_KEY: encr_data + } + return email + d = self._km.encrypt(data, ADDRESS, OpenPGPKey, fetch_remote=False) + d.addCallback(set_email_content) + return d + + def _mock_soledad_get_from_index(self, index_name, value): + get_from_index = self._soledad.get_from_index + + def soledad_mock(idx_name, *key_values): + if index_name == idx_name: + return defer.succeed(value) + return get_from_index(idx_name, *key_values) + self.fetcher._soledad.get_from_index = Mock(side_effect=soledad_mock) diff --git a/src/leap/mail/interfaces.py b/src/leap/mail/interfaces.py new file mode 100644 index 0000000..899400f --- /dev/null +++ b/src/leap/mail/interfaces.py @@ -0,0 +1,116 @@ +# -*- coding: utf-8 -*- +# interfaces.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Interfaces for the leap.mail module. +""" +from zope.interface import Interface, Attribute + + +class IMessageWrapper(Interface): + """ + I know how to access the different parts into which a given message is + splitted into. + """ + + fdoc = Attribute('A dictionaly-like containing the flags document ' + '(mutable)') + hdoc = Attribute('A dictionary-like containing the headers docuemnt ' + '(immutable)') + cdocs = Attribute('A dictionary with the content-docs, one-indexed') + + +# TODO [ ] Catch up with the actual implementation! +# Lot of stuff added there ... + +class IMailAdaptor(Interface): + """ + I know how to store the standard representation for messages and mailboxes, + and how to update the relevant mutable parts when needed. + """ + + def initialize_store(self, store): + """ + Performs whatever initialization is needed before the store can be + used (creating indexes, sanity checks, etc). + + :param store: store + :returns: a Deferred that will fire when the store is correctly + initialized. + :rtype: deferred + """ + + # TODO is staticmethod valid with an interface? + # @staticmethod + def get_msg_from_string(self, MessageClass, raw_msg): + """ + Return IMessageWrapper implementor from a raw mail string + + :param MessageClass: an implementor of IMessage + :type raw_msg: str + :rtype: implementor of leap.mail.IMessage + """ + + # TODO is staticmethod valid with an interface? + # @staticmethod + def get_msg_from_docs(self, MessageClass, msg_wrapper): + """ + Return an IMessage implementor from its parts. + + :param MessageClass: an implementor of IMessage + :param msg_wrapper: an implementor of IMessageWrapper + :rtype: implementor of leap.mail.IMessage + """ + + # ------------------------------------------------------------------- + # XXX unsure about the following part yet ........................... + + # the idea behind these three methods is that the adaptor also offers a + # fixed interface to create the documents the first time (using + # soledad.create_docs or whatever method maps to it in a similar store, and + # also allows to update flags and tags, hiding the actual implementation of + # where the flags/tags live in behind the concrete MailWrapper in use + # by this particular adaptor. In our impl it will be put_doc(fdoc) after + # locking the getting + updating of that fdoc for atomicity. + + # 'store' must be an instance of something that offers a minimal subset of + # the document API that Soledad currently implements (create_doc, put_doc) + # I *think* store should belong to Account/Collection and be passed as + # param here instead of relying on it being an attribute of the instance. + + def create_msg_docs(self, store, msg_wrapper): + """ + :param store: The documents store + :type store: + :param msg_wrapper: + :type msg_wrapper: IMessageWrapper implementor + """ + + def update_msg_flags(self, store, msg_wrapper): + """ + :param store: The documents store + :type store: + :param msg_wrapper: + :type msg_wrapper: IMessageWrapper implementor + """ + + def update_msg_tags(self, store, msg_wrapper): + """ + :param store: The documents store + :type store: + :param msg_wrapper: + :type msg_wrapper: IMessageWrapper implementor + """ diff --git a/src/leap/mail/mail.py b/src/leap/mail/mail.py new file mode 100644 index 0000000..540a493 --- /dev/null +++ b/src/leap/mail/mail.py @@ -0,0 +1,1097 @@ +# -*- coding: utf-8 -*- +# mail.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Generic Access to Mail objects: Public LEAP Mail API. +""" +import itertools +import uuid +import logging +import StringIO +import time +import weakref + +from twisted.internet import defer +from twisted.python import log + +from leap.common.check import leap_assert_type +from leap.common.events import emit, catalog +from leap.common.mail import get_email_charset + +from leap.mail.adaptors.soledad import SoledadMailAdaptor +from leap.mail.constants import INBOX_NAME +from leap.mail.constants import MessageFlags +from leap.mail.mailbox_indexer import MailboxIndexer +from leap.mail.plugins import soledad_sync_hooks +from leap.mail.utils import find_charset, CaseInsensitiveDict +from leap.mail.utils import lowerdict + +logger = logging.getLogger(name=__name__) + + +# TODO LIST +# [ ] Probably change the name of this module to "api" or "account", mail is +# too generic (there's also IncomingMail, and OutgoingMail +# [ ] Profile add_msg. + +def _get_mdoc_id(mbox, chash): + """ + Get the doc_id for the metamsg document. + """ + return "M+{mbox}+{chash}".format(mbox=mbox, chash=chash) + + +def _write_and_rewind(payload): + fd = StringIO.StringIO() + fd.write(payload) + fd.seek(0) + return fd + + +def _encode_payload(payload, ctype=""): + """ + Properly encode an unicode payload (which can be string or unicode) as a + string. + + :param payload: the payload to encode. currently soledad returns unicode + strings. + :type payload: basestring + :param ctype: optional, the content of the content-type header for this + payload. + :type ctype: str + :rtype: str + """ + # TODO Related, it's proposed that we're able to pass + # the encoding to the soledad documents. Better to store the charset there? + # FIXME ----------------------------------------------- + # this need a dedicated test-suite + charset = find_charset(ctype) + + # XXX get from mail headers if not multipart! + # Beware also that we should pass the proper encoding to + # soledad when it's creating the documents. + # if not charset: + # charset = get_email_charset(payload) + # ----------------------------------------------------- + + if not charset: + charset = "utf-8" + + try: + if isinstance(payload, unicode): + payload = payload.encode(charset) + except UnicodeError as exc: + logger.error( + "Unicode error, using 'replace'. {0!r}".format(exc)) + payload = payload.encode(charset, 'replace') + return payload + + +def _unpack_headers(headers_dict): + """ + Take a "packed" dict containing headers (with repeated keys represented as + line breaks inside each value, preceded by the header key) and return a + list of tuples in which each repeated key has a different tuple. + """ + headers_l = headers_dict.items() + for i, (k, v) in enumerate(headers_l): + splitted = v.split(k.lower() + ": ") + if len(splitted) != 1: + inner = zip( + itertools.cycle([k]), + map(lambda l: l.rstrip('\n'), splitted)) + headers_l = headers_l[:i] + inner + headers_l[i + 1:] + return headers_l + + +def _get_index_for_cdoc(part_map, cdocs_dict): + """ + Get, if possible, the index for a given content-document matching the phash + of the passed part_map. + + This is used when we are initializing a MessagePart, because we just pass a + reference to the parent message cdocs container and we need to iterate + through the cdocs to figure out which content-doc matches the phash of the + part we're currently rendering. + + It is also used when recursing through a nested multipart message, because + in the initialization of the child MessagePart we pass a dictionary only + for the referenced cdoc. + + :param part_map: a dict describing the mapping of the parts for the current + message-part. + :param cdocs: a dict of content-documents, 0-indexed. + :rtype: int + """ + phash = part_map.get('phash', None) + if phash: + for i, cdoc_wrapper in cdocs_dict.items(): + if cdoc_wrapper.phash == phash: + return i + return None + + +class MessagePart(object): + # TODO This class should be better abstracted from the data model. + # TODO support arbitrarily nested multiparts (right now we only support + # the trivial case) + + def __init__(self, part_map, cdocs={}, nested=False): + """ + :param part_map: a dictionary mapping the subparts for + this MessagePart (1-indexed). + :type part_map: dict + + The format for the part_map is as follows: + + {u'ctype': u'text/plain', + u'headers': [[u'Content-Type', u'text/plain; charset="utf-8"'], + [u'Content-Transfer-Encoding', u'8bit']], + u'multi': False, + u'parts': 1, + u'phash': u'02D82B29F6BB0C8612D1C', + u'size': 132} + + :param cdocs: optional, a reference to the top-level dict of wrappers + for content-docs (1-indexed). + """ + self._pmap = part_map + self._cdocs = cdocs + self._nested = nested + + index = _get_index_for_cdoc(part_map, self._cdocs) or 1 + self._index = index + + def get_size(self): + """ + Size of the body, in octets. + """ + total = self._pmap['size'] + _h = self.get_headers() + headers = len( + '\n'.join(["%s: %s" % (k, v) for k, v in dict(_h).items()])) + # have to subtract 2 blank lines + return total - headers - 2 + + def get_body_file(self): + payload = "" + pmap = self._pmap + multi = pmap.get('multi') + if not multi: + payload = self._get_payload(self._index) + else: + # XXX uh, multi also... should recurse. + # This needs to be implemented in a more general and elegant way. + raise NotImplementedError + if payload: + payload = _encode_payload(payload) + + return _write_and_rewind(payload) + + def get_headers(self): + return CaseInsensitiveDict(self._pmap.get("headers", [])) + + def is_multipart(self): + return self._pmap.get("multi", False) + + def get_subpart(self, part): + if not self.is_multipart(): + raise TypeError + + sub_pmap = self._pmap.get("part_map", {}) + + # XXX BUG --- workaround. Subparts with more than 1 subparts + # need to get the requested index for the subpart decremented. + # Off-by-one error, should investigate which is the real reason and + # fix it, this is only a quick workaround. + num_parts = self._pmap.get("parts", 0) + if num_parts > 1: + part = part - 1 + # ------------------------------------------------------------- + + try: + part_map = sub_pmap[str(part)] + except KeyError: + log.msg("getSubpart for %s: KeyError" % (part,)) + raise IndexError + + cdoc_index = _get_index_for_cdoc(part_map, self._cdocs) + cdoc = self._cdocs.get(cdoc_index, {}) + + return MessagePart(part_map, cdocs={1: cdoc}, nested=True) + + def _get_payload(self, index): + cdoc_wrapper = self._cdocs.get(index, None) + if cdoc_wrapper: + return cdoc_wrapper.raw + return "" + + +class Message(object): + """ + Represents a single message, and gives access to all its attributes. + """ + + def __init__(self, wrapper, uid=None): + """ + :param wrapper: an instance of an implementor of IMessageWrapper + :param uid: + :type uid: int + """ + self._wrapper = wrapper + self._uid = uid + + def get_wrapper(self): + """ + Get the wrapper for this message. + """ + return self._wrapper + + def get_uid(self): + """ + Get the (optional) UID. + """ + return self._uid + + # imap.IMessage methods + + def get_flags(self): + """ + Get flags for this message. + :rtype: tuple + """ + return self._wrapper.fdoc.get_flags() + + def get_internal_date(self): + """ + Retrieve the date internally associated with this message + + According to the spec, this is NOT the date and time in the + RFC-822 header, but rather a date and time that reflects when the + message was received. + + * In SMTP, date and time of final delivery. + * In COPY, internal date/time of the source message. + * In APPEND, date/time specified. + + :return: An RFC822-formatted date string. + :rtype: str + """ + return self._wrapper.hdoc.date + + # imap.IMessageParts + + def get_headers(self): + """ + Get the raw headers document. + """ + return CaseInsensitiveDict(self._wrapper.hdoc.headers) + + def get_body_file(self, store): + """ + Get a file descriptor with the body content. + """ + def write_and_rewind_if_found(cdoc): + payload = cdoc.raw if cdoc else "" + # XXX pass ctype from headers if not multipart? + if payload: + payload = _encode_payload(payload, ctype=cdoc.content_type) + return _write_and_rewind(payload) + + d = defer.maybeDeferred(self._wrapper.get_body, store) + d.addCallback(write_and_rewind_if_found) + return d + + def get_size(self): + """ + Size of the whole message, in octets (including headers). + """ + total = self._wrapper.fdoc.size + return total + + def is_multipart(self): + """ + Return True if this message is multipart. + """ + return self._wrapper.fdoc.multi + + def get_subpart(self, part): + """ + :param part: The number of the part to retrieve, indexed from 1. + :type part: int + :rtype: MessagePart + """ + if not self.is_multipart(): + raise TypeError + try: + subpart_dict = self._wrapper.get_subpart_dict(part) + except KeyError: + raise IndexError + + return MessagePart( + subpart_dict, cdocs=self._wrapper.cdocs) + + # Custom methods. + + def get_tags(self): + """ + Get the tags for this message. + """ + return tuple(self._wrapper.fdoc.tags) + + +class Flagsmode(object): + """ + Modes for setting the flags/tags. + """ + APPEND = 1 + REMOVE = -1 + SET = 0 + + +class MessageCollection(object): + """ + A generic collection of messages. It can be messages sharing the same + mailbox, tag, the result of a given query, or just a bunch of ids for + master documents. + + Since LEAP Mail is primarily oriented to store mail in Soledad, the default + (and, so far, only) implementation of the store is contained in the + Soledad Mail Adaptor, which is passed to every collection on creation by + the root Account object. If you need to use a different adaptor, change the + adaptor class attribute in your Account object. + + Store is a reference to a particular instance of the message store (soledad + instance or proxy, for instance). + """ + + # TODO LIST + # [ ] look at IMessageSet methods + # [ ] make constructor with a per-instance deferredLock to use on + # creation/deletion? + # [ ] instead of a mailbox, we could pass an arbitrary container with + # pointers to different doc_ids (type: foo) + # [ ] To guarantee synchronicity of the documents sent together during a + # sync, we could get hold of a deferredLock that inhibits + # synchronization while we are updating (think more about this!) + # [ ] review the serveral count_ methods. I think it's better to patch + # server to accept deferreds. + # [ ] Use inheritance for the mailbox-collection instead of handling the + # special cases everywhere? + # [ ] or maybe a mailbox_only decorator... + + # Account should provide an adaptor instance when creating this collection. + adaptor = None + store = None + messageklass = Message + + _pending_inserts = dict() + + def __init__(self, adaptor, store, mbox_indexer=None, mbox_wrapper=None): + """ + Constructor for a MessageCollection. + """ + self.adaptor = adaptor + self.store = store + + # XXX think about what to do when there is no mbox passed to + # the initialization. We could still get the MetaMsg by index, instead + # of by doc_id. See get_message_by_content_hash + self.mbox_indexer = mbox_indexer + self.mbox_wrapper = mbox_wrapper + self._listeners = set([]) + + def is_mailbox_collection(self): + """ + Return True if this collection represents a Mailbox. + :rtype: bool + """ + return bool(self.mbox_wrapper) + + @property + def mbox_name(self): + # TODO raise instead? + if self.mbox_wrapper is None: + return None + return self.mbox_wrapper.mbox + + @property + def mbox_uuid(self): + # TODO raise instead? + if self.mbox_wrapper is None: + return None + return self.mbox_wrapper.uuid + + def get_mbox_attr(self, attr): + if self.mbox_wrapper is None: + raise RuntimeError("This is not a mailbox collection") + return getattr(self.mbox_wrapper, attr) + + def set_mbox_attr(self, attr, value): + if self.mbox_wrapper is None: + raise RuntimeError("This is not a mailbox collection") + setattr(self.mbox_wrapper, attr, value) + return self.mbox_wrapper.update(self.store) + + # Get messages + + def get_message_by_content_hash(self, chash, get_cdocs=False): + """ + Retrieve a message by its content hash. + :rtype: Deferred + """ + if not self.is_mailbox_collection(): + # TODO instead of getting the metamsg by chash, in this case we + # should query by (meta) index or use the internal collection of + # pointers-to-docs. + raise NotImplementedError() + + metamsg_id = _get_mdoc_id(self.mbox_name, chash) + + return self.adaptor.get_msg_from_mdoc_id( + self.messageklass, self.store, + metamsg_id, get_cdocs=get_cdocs) + + def get_message_by_sequence_number(self, msn, get_cdocs=False): + """ + Retrieve a message by its Message Sequence Number. + :rtype: Deferred + """ + def get_uid_for_msn(all_uid): + return all_uid[msn - 1] + d = self.all_uid_iter() + d.addCallback(get_uid_for_msn) + d.addCallback( + lambda uid: self.get_message_by_uid( + uid, get_cdocs=get_cdocs)) + d.addErrback(lambda f: log.err(f)) + return d + + def get_message_by_uid(self, uid, absolute=True, get_cdocs=False): + """ + Retrieve a message by its Unique Identifier. + + If this is a Mailbox collection, that is the message UID, unique for a + given mailbox, or a relative sequence number depending on the absolute + flag. For now, only absolute identifiers are supported. + :rtype: Deferred + """ + # TODO deprecate absolute flag, it doesn't make sense UID and + # !absolute. use _by_sequence_number instead. + if not absolute: + raise NotImplementedError("Does not support relative ids yet") + + get_doc_fun = self.mbox_indexer.get_doc_id_from_uid + + def get_msg_from_mdoc_id(doc_id): + if doc_id is None: + return None + return self.adaptor.get_msg_from_mdoc_id( + self.messageklass, self.store, + doc_id, uid=uid, get_cdocs=get_cdocs) + + def cleanup_and_get_doc_after_pending_insert(result): + for key in result: + self._pending_inserts.pop(key, None) + return get_doc_fun(self.mbox_uuid, uid) + + if not self._pending_inserts: + d = get_doc_fun(self.mbox_uuid, uid) + else: + d = defer.gatherResults(self._pending_inserts.values()) + d.addCallback(cleanup_and_get_doc_after_pending_insert) + d.addCallback(get_msg_from_mdoc_id) + return d + + def get_flags_by_uid(self, uid, absolute=True): + # TODO use sequence numbers + if not absolute: + raise NotImplementedError("Does not support relative ids yet") + + def get_flags_from_mdoc_id(doc_id): + if doc_id is None: # XXX needed? or bug? + return None + return self.adaptor.get_flags_from_mdoc_id( + self.store, doc_id) + + def wrap_in_tuple(flags): + return (uid, flags) + + d = self.mbox_indexer.get_doc_id_from_uid(self.mbox_uuid, uid) + d.addCallback(get_flags_from_mdoc_id) + d.addCallback(wrap_in_tuple) + return d + + def count(self): + """ + Count the messages in this collection. + :return: a Deferred that will fire with the integer for the count. + :rtype: Deferred + """ + if not self.is_mailbox_collection(): + raise NotImplementedError() + + d = self.mbox_indexer.count(self.mbox_uuid) + return d + + def count_recent(self): + """ + Count the recent messages in this collection. + :return: a Deferred that will fire with the integer for the count. + :rtype: Deferred + """ + if not self.is_mailbox_collection(): + raise NotImplementedError() + return self.adaptor.get_count_recent(self.store, self.mbox_uuid) + + def count_unseen(self): + """ + Count the unseen messages in this collection. + :return: a Deferred that will fire with the integer for the count. + :rtype: Deferred + """ + if not self.is_mailbox_collection(): + raise NotImplementedError() + return self.adaptor.get_count_unseen(self.store, self.mbox_uuid) + + def get_uid_next(self): + """ + Get the next integer beyond the highest UID count for this mailbox. + + :return: a Deferred that will fire with the integer for the next uid. + :rtype: Deferred + """ + return self.mbox_indexer.get_next_uid(self.mbox_uuid) + + def get_last_uid(self): + """ + Get the last UID for this mailbox. + """ + return self.mbox_indexer.get_last_uid(self.mbox_uuid) + + def all_uid_iter(self): + """ + Iterator through all the uids for this collection. + """ + return self.mbox_indexer.all_uid_iter(self.mbox_uuid) + + def get_uid_from_msgid(self, msgid): + """ + Return the UID(s) of the matching msg-ids for this mailbox collection. + """ + if not self.is_mailbox_collection(): + raise NotImplementedError() + + def get_uid(mdoc_id): + if not mdoc_id: + return None + d = self.mbox_indexer.get_uid_from_doc_id( + self.mbox_uuid, mdoc_id) + return d + + d = self.adaptor.get_mdoc_id_from_msgid( + self.store, self.mbox_uuid, msgid) + d.addCallback(get_uid) + return d + + # Manipulate messages + + def add_msg(self, raw_msg, flags=tuple(), tags=tuple(), date="", + notify_just_mdoc=False): + """ + Add a message to this collection. + + :param raw_msg: the raw message + :param flags: tuple of flags for this message + :param tags: tuple of tags for this message + :param date: + formatted date, it will be used to retrieve the internal + date for this message. According to the spec, this is NOT the date + and time in the RFC-822 header, but rather a date and time that + reflects when the message was received. + :type date: str + :param notify_just_mdoc: + boolean passed to the wrapper.create method, to indicate whether + we're insterested in being notified right after the mdoc has been + written (as it's the first doc to be written, and quite small, this + is faster, though potentially unsafe), or on the contrary we want + to wait untill all the parts have been written. + Used by the imap mailbox implementation to get faster responses. + This will be ignored (and set to False) if a heuristic for a Draft + message is met, which currently is a specific mozilla header. + :type notify_just_mdoc: bool + + :returns: a deferred that will fire with the UID of the inserted + message. + :rtype: deferred + """ + # TODO watch out if the use of this method in IMAP COPY/APPEND is + # passing the right date. + # XXX mdoc ref is a leaky abstraction here. generalize. + leap_assert_type(flags, tuple) + leap_assert_type(date, str) + + msg = self.adaptor.get_msg_from_string(Message, raw_msg) + wrapper = msg.get_wrapper() + + headers = lowerdict(msg.get_headers()) + moz_draft_hdr = "X-Mozilla-Draft-Info" + if moz_draft_hdr.lower() in headers: + log.msg("Setting fast notify to False, Draft detected") + notify_just_mdoc = False + + if notify_just_mdoc: + msgid = headers.get('message-id') + if msgid: + self._pending_inserts[msgid] = defer.Deferred() + + if not self.is_mailbox_collection(): + raise NotImplementedError() + + else: + mbox_id = self.mbox_uuid + wrapper.set_mbox_uuid(mbox_id) + wrapper.set_flags(flags) + wrapper.set_tags(tags) + wrapper.set_date(date) + + def insert_mdoc_id(_, wrapper): + doc_id = wrapper.mdoc.doc_id + if not doc_id: + # --- BUG ----------------------------------------- + # XXX watch out, sometimes mdoc doesn't have doc_id + # but it has future_id. Should be solved already. + logger.error("BUG: (please report) Null doc_id for " + "document %s" % + (wrapper.mdoc.serialize(),)) + return defer.succeed("mdoc_id not inserted") + # XXX BUG ----------------------------------------- + + # XXX BUG sometimes the table is not yet created, + # so workaround is to make sure we always check for it before + # inserting the doc. I should debug into the real cause. + d = self.mbox_indexer.create_table(self.mbox_uuid) + d.addBoth(lambda _: self.mbox_indexer.insert_doc( + self.mbox_uuid, doc_id)) + return d + + d = wrapper.create( + self.store, + notify_just_mdoc=notify_just_mdoc, + pending_inserts_dict=self._pending_inserts) + d.addCallback(insert_mdoc_id, wrapper) + d.addCallback(self.cb_signal_unread_to_ui) + d.addCallback(self.notify_new_to_listeners) + d.addErrback(lambda failure: log.err(failure)) + + return d + + # Listeners + + def addListener(self, listener): + self._listeners.add(listener) + + def removeListener(self, listener): + self._listeners.remove(listener) + + def notify_new_to_listeners(self, result): + for listener in self._listeners: + listener.notify_new() + return result + + def cb_signal_unread_to_ui(self, result): + """ + Sends an unread event to ui, passing *only* the number of unread + messages if *this* is the inbox. This event is catched, for instance, + in the Bitmask client that displays a message with the number of unread + mails in the INBOX. + + Used as a callback in several commands. + + :param result: ignored + """ + # TODO it might make sense to modify the event so that + # it receives both the mailbox name AND the number of unread messages. + if self.mbox_name.lower() == "inbox": + d = defer.maybeDeferred(self.count_unseen) + d.addCallback(self.__cb_signal_unread_to_ui) + return result + + def __cb_signal_unread_to_ui(self, unseen): + """ + Send the unread signal to UI. + :param unseen: number of unseen messages. + :type unseen: int + """ + # TODO change name of the signal, independent from imap now. + emit(catalog.MAIL_UNREAD_MESSAGES, str(unseen)) + + def copy_msg(self, msg, new_mbox_uuid): + """ + Copy the message to another collection. (it only makes sense for + mailbox collections) + """ + # TODO should CHECK first if the mdoc is present in the mailbox + # WITH a Deleted flag... and just simply remove the flag... + # Another option is to delete the previous mdoc if it already exists + # (so we get a new UID) + + if not self.is_mailbox_collection(): + raise NotImplementedError() + + def delete_mdoc_entry_and_insert(failure, mbox_uuid, doc_id): + d = self.mbox_indexer.delete_doc_by_hash(mbox_uuid, doc_id) + d.addCallback(lambda _: self.mbox_indexer.insert_doc( + new_mbox_uuid, doc_id)) + return d + + def insert_copied_mdoc_id(wrapper_new_msg): + # XXX FIXME -- since this is already saved, the future_doc_id + # should be already copied into the doc_id! + # Investigate why we are not receiving the already saved doc_id + doc_id = wrapper_new_msg.mdoc.doc_id + if not doc_id: + doc_id = wrapper_new_msg.mdoc._future_doc_id + + def insert_conditionally(uid, mbox_uuid, doc_id): + indexer = self.mbox_indexer + if uid: + d = indexer.delete_doc_by_hash(mbox_uuid, doc_id) + d.addCallback(lambda _: indexer.insert_doc( + new_mbox_uuid, doc_id)) + return d + else: + d = indexer.insert_doc(mbox_uuid, doc_id) + return d + + def log_result(result): + return result + + def insert_doc(_, mbox_uuid, doc_id): + d = self.mbox_indexer.get_uid_from_doc_id(mbox_uuid, doc_id) + d.addCallback(insert_conditionally, mbox_uuid, doc_id) + d.addErrback(lambda err: log.failure(err)) + d.addCallback(log_result) + return d + + d = self.mbox_indexer.create_table(new_mbox_uuid) + d.addBoth(insert_doc, new_mbox_uuid, doc_id) + return d + + wrapper = msg.get_wrapper() + + d = wrapper.copy(self.store, new_mbox_uuid) + d.addCallback(insert_copied_mdoc_id) + d.addCallback(self.notify_new_to_listeners) + return d + + def delete_msg(self, msg): + """ + Delete this message. + """ + wrapper = msg.get_wrapper() + + def delete_mdoc_id(_, wrapper): + doc_id = wrapper.mdoc.doc_id + return self.mbox_indexer.delete_doc_by_hash( + self.mbox_uuid, doc_id) + d = wrapper.delete(self.store) + d.addCallback(delete_mdoc_id, wrapper) + return d + + def delete_all_flagged(self): + """ + Delete all messages flagged as \\Deleted. + Used from IMAPMailbox.expunge() + """ + def get_uid_list(hashes): + d = [] + for h in hashes: + d.append(self.mbox_indexer.get_uid_from_doc_id( + self.mbox_uuid, h)) + return defer.gatherResults(d), hashes + + def delete_uid_entries((uids, hashes)): + d = [] + for h in hashes: + d.append(self.mbox_indexer.delete_doc_by_hash( + self.mbox_uuid, h)) + + def return_uids_when_deleted(ignored): + return uids + + all_deleted = defer.gatherResults(d).addCallback( + return_uids_when_deleted) + return all_deleted + + mdocs_deleted = self.adaptor.del_all_flagged_messages( + self.store, self.mbox_uuid) + mdocs_deleted.addCallback(get_uid_list) + mdocs_deleted.addCallback(delete_uid_entries) + mdocs_deleted.addErrback(lambda f: log.err(f)) + return mdocs_deleted + + # TODO should add a delete-by-uid to collection? + + def delete_all_docs(self): + def del_all_uid(uid_list): + deferreds = [] + for uid in uid_list: + d = self.get_message_by_uid(uid) + d.addCallback(lambda msg: msg.delete()) + deferreds.append(d) + return defer.gatherResults(deferreds) + + d = self.all_uid_iter() + d.addCallback(del_all_uid) + return d + + def update_flags(self, msg, flags, mode): + """ + Update flags for a given message. + """ + wrapper = msg.get_wrapper() + current = wrapper.fdoc.flags + newflags = map(str, self._update_flags_or_tags(current, flags, mode)) + wrapper.fdoc.flags = newflags + + wrapper.fdoc.seen = MessageFlags.SEEN_FLAG in newflags + wrapper.fdoc.deleted = MessageFlags.DELETED_FLAG in newflags + + d = self.adaptor.update_msg(self.store, msg) + d.addCallback(lambda _: newflags) + return d + + def update_tags(self, msg, tags, mode): + """ + Update tags for a given message. + """ + wrapper = msg.get_wrapper() + current = wrapper.fdoc.tags + newtags = self._update_flags_or_tags(current, tags, mode) + + wrapper.fdoc.tags = newtags + d = self.adaptor.update_msg(self.store, msg) + d.addCallback(newtags) + return d + + def _update_flags_or_tags(self, old, new, mode): + if mode == Flagsmode.APPEND: + final = list((set(tuple(old) + new))) + elif mode == Flagsmode.REMOVE: + final = list(set(old).difference(set(new))) + elif mode == Flagsmode.SET: + final = new + return final + + +class Account(object): + """ + Account is the top level abstraction to access collections of messages + associated with a LEAP Mail Account. + + It primarily handles creation and access of Mailboxes, which will be the + basic collection handled by traditional MUAs, but it can also handle other + types of Collections (tag based, for instance). + + leap.mail.imap.IMAPAccount partially proxies methods in this + class. + """ + + # Adaptor is passed to the returned MessageCollections, so if you want to + # use a different adaptor this is the place to change it, by subclassing + # the Account class. + + adaptor_class = SoledadMailAdaptor + + # This is a mapping to collection instances so that we always + # return a reference to them instead of creating new ones. However, being a + # dictionary of weakrefs values, they automagically vanish from the dict + # when no hard refs is left to them (so they can be garbage collected) + # This is important because the different wrappers rely on several + # kinds of deferredLocks that are kept as class or instance variables + _collection_mapping = weakref.WeakValueDictionary() + + def __init__(self, store, ready_cb=None): + self.store = store + self.adaptor = self.adaptor_class() + self.mbox_indexer = MailboxIndexer(self.store) + + # This flag is only used from the imap service for the moment. + # In the future, we should prevent any public method to continue if + # this is set to True. Also, it would be good to plug to the + # authentication layer. + self.session_ended = False + + self.deferred_initialization = defer.Deferred() + self._ready_cb = ready_cb + + self._init_d = self._initialize_storage() + self._initialize_sync_hooks() + + def _initialize_storage(self): + + def add_mailbox_if_none(mboxes): + if not mboxes: + return self.add_mailbox(INBOX_NAME) + + def finish_initialization(result): + self.deferred_initialization.callback(None) + if self._ready_cb is not None: + self._ready_cb() + + d = self.adaptor.initialize_store(self.store) + d.addCallback(lambda _: self.list_all_mailbox_names()) + d.addCallback(add_mailbox_if_none) + d.addCallback(finish_initialization) + return d + + def callWhenReady(self, cb, *args, **kw): + """ + Execute the callback when the initialization of the Account is ready. + Note that the callback will receive a first meaningless parameter. + """ + # TODO this should ignore the first parameter explicitely + # lambda _: cb(*args, **kw) + self.deferred_initialization.addCallback(cb, *args, **kw) + return self.deferred_initialization + + # Sync hooks + + def _initialize_sync_hooks(self): + soledad_sync_hooks.post_sync_uid_reindexer.set_account(self) + + def _teardown_sync_hooks(self): + soledad_sync_hooks.post_sync_uid_reindexer.set_account(None) + + # + # Public API Starts + # + + def list_all_mailbox_names(self): + + def filter_names(mboxes): + return [m.mbox for m in mboxes] + + d = self.get_all_mailboxes() + d.addCallback(filter_names) + return d + + def get_all_mailboxes(self): + d = self.adaptor.get_all_mboxes(self.store) + return d + + def add_mailbox(self, name, creation_ts=None): + + if creation_ts is None: + # by default, we pass an int value + # taken from the current time + # we make sure to take enough decimals to get a unique + # mailbox-uidvalidity. + creation_ts = int(time.time() * 10E2) + + def set_creation_ts(wrapper): + wrapper.created = creation_ts + d = wrapper.update(self.store) + d.addCallback(lambda _: wrapper) + return d + + def create_uuid(wrapper): + if not wrapper.uuid: + wrapper.uuid = str(uuid.uuid4()) + d = wrapper.update(self.store) + d.addCallback(lambda _: wrapper) + return d + return wrapper + + def create_uid_table_cb(wrapper): + d = self.mbox_indexer.create_table(wrapper.uuid) + d.addCallback(lambda _: wrapper) + return d + + d = self.adaptor.get_or_create_mbox(self.store, name) + d.addCallback(set_creation_ts) + d.addCallback(create_uuid) + d.addCallback(create_uid_table_cb) + return d + + def delete_mailbox(self, name): + + def delete_uid_table_cb(wrapper): + d = self.mbox_indexer.delete_table(wrapper.uuid) + d.addCallback(lambda _: wrapper) + return d + + d = self.adaptor.get_or_create_mbox(self.store, name) + d.addCallback(delete_uid_table_cb) + d.addCallback( + lambda wrapper: self.adaptor.delete_mbox(self.store, wrapper)) + return d + + def rename_mailbox(self, oldname, newname): + + def _rename_mbox(wrapper): + wrapper.mbox = newname + d = wrapper.update(self.store) + d.addCallback(lambda result: wrapper) + return d + + d = self.adaptor.get_or_create_mbox(self.store, oldname) + d.addCallback(_rename_mbox) + return d + + # Get Collections + + def get_collection_by_mailbox(self, name): + """ + :rtype: deferred + :return: a deferred that will fire with a MessageCollection + """ + collection = self._collection_mapping.get(name, None) + if collection: + return defer.succeed(collection) + + # imap select will use this, passing the collection to SoledadMailbox + def get_collection_for_mailbox(mbox_wrapper): + collection = MessageCollection( + self.adaptor, self.store, self.mbox_indexer, mbox_wrapper) + self._collection_mapping[name] = collection + return collection + + d = self.adaptor.get_or_create_mbox(self.store, name) + d.addCallback(get_collection_for_mailbox) + return d + + def get_collection_by_docs(self, docs): + """ + :rtype: MessageCollection + """ + # get a collection of docs by a list of doc_id + # get.docs(...) --> it should be a generator. does it behave in the + # threadpool? + raise NotImplementedError() + + def get_collection_by_tag(self, tag): + """ + :rtype: MessageCollection + """ + raise NotImplementedError() + + # Session handling + + def end_session(self): + self._teardown_sync_hooks() + self.session_ended = True diff --git a/src/leap/mail/mailbox_indexer.py b/src/leap/mail/mailbox_indexer.py new file mode 100644 index 0000000..08e5f10 --- /dev/null +++ b/src/leap/mail/mailbox_indexer.py @@ -0,0 +1,324 @@ +# -*- coding: utf-8 -*- +# mailbox_indexer.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Local tables to store the message Unique Identifiers for a given mailbox. +""" +import re +import uuid + +from leap.mail.constants import METAMSGID_RE + + +def _maybe_first_query_item(thing): + """ + Return the first item the returned query result, or None + if empty. + """ + try: + return thing[0][0] + except (TypeError, IndexError): + return None + + +class WrongMetaDocIDError(Exception): + pass + + +def sanitize(mailbox_uuid): + return mailbox_uuid.replace("-", "_") + + +def check_good_uuid(mailbox_uuid): + """ + Check that the passed mailbox identifier is a valid UUID. + :param mailbox_uuid: the uuid to check + :type mailbox_uuid: str + :return: None + :raises: AssertionError if a wrong uuid was passed. + """ + try: + uuid.UUID(str(mailbox_uuid)) + except (AttributeError, ValueError): + raise AssertionError( + "the mbox_id is not a valid uuid: %s" % mailbox_uuid) + + +class MailboxIndexer(object): + """ + This class contains the commands needed to create, modify and alter the + local-only UID tables for a given mailbox. + + Its purpouse is to keep a local-only index with the messages in each + mailbox, mainly to satisfy the demands of the IMAP specification, but + useful too for any effective listing of the messages in a mailbox. + + Since the incoming mail can be processed at any time in any replica, it's + preferred not to attempt to maintain a global chronological global index. + + These indexes are Message Attributes needed for the IMAP specification (rfc + 3501), although they can be useful for other non-imap store + implementations. + """ + # The uids are expected to be 32-bits values, but the ROWIDs in sqlite + # are 64-bit values. I *don't* think it really matters for any + # practical use, but it's good to remmeber we've got that difference going + # on. + + store = None + table_preffix = "leapmail_uid_" + + def __init__(self, store): + self.store = store + + def _query(self, *args, **kw): + assert self.store is not None + return self.store.raw_sqlcipher_query(*args, **kw) + + def _operation(self, *args, **kw): + assert self.store is not None + return self.store.raw_sqlcipher_operation(*args, **kw) + + def create_table(self, mailbox_uuid): + """ + Create the UID table for a given mailbox. + :param mailbox: the mailbox identifier. + :type mailbox: str + :rtype: Deferred + """ + check_good_uuid(mailbox_uuid) + sql = ("CREATE TABLE if not exists {preffix}{name}( " + "uid INTEGER PRIMARY KEY AUTOINCREMENT, " + "hash TEXT UNIQUE NOT NULL)".format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid))) + return self._operation(sql) + + def delete_table(self, mailbox_uuid): + """ + Delete the UID table for a given mailbox. + :param mailbox: the mailbox name + :type mailbox: str + :rtype: Deferred + """ + check_good_uuid(mailbox_uuid) + sql = ("DROP TABLE if exists {preffix}{name}".format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid))) + return self._operation(sql) + + def insert_doc(self, mailbox_uuid, doc_id): + """ + Insert the doc_id for a MetaMsg in the UID table for a given mailbox. + + The doc_id must be in the format: + + M-<mailbox>-<content-hash-of-the-message> + + :param mailbox: the mailbox name + :type mailbox: str + :param doc_id: the doc_id for the MetaMsg + :type doc_id: str + :return: a deferred that will fire with the uid of the newly inserted + document. + :rtype: Deferred + """ + check_good_uuid(mailbox_uuid) + assert doc_id + mailbox_uuid = mailbox_uuid.replace('-', '_') + + if not re.findall(METAMSGID_RE.format(mbox_uuid=mailbox_uuid), doc_id): + raise WrongMetaDocIDError("Wrong format for the MetaMsg doc_id") + + def get_rowid(result): + return _maybe_first_query_item(result) + + sql = ("INSERT INTO {preffix}{name} VALUES (" + "NULL, ?)".format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid))) + values = (doc_id,) + + sql_last = ("SELECT MAX(rowid) FROM {preffix}{name} " + "LIMIT 1;").format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid)) + + d = self._operation(sql, values) + d.addCallback(lambda _: self._query(sql_last)) + d.addCallback(get_rowid) + d.addErrback(lambda f: f.printTraceback()) + return d + + def delete_doc_by_uid(self, mailbox_uuid, uid): + """ + Delete the entry for a MetaMsg in the UID table for a given mailbox. + + :param mailbox_uuid: the mailbox uuid + :type mailbox: str + :param uid: the UID of the message. + :type uid: int + :rtype: Deferred + """ + check_good_uuid(mailbox_uuid) + assert uid + sql = ("DELETE FROM {preffix}{name} " + "WHERE uid=?".format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid))) + values = (uid,) + return self._query(sql, values) + + def delete_doc_by_hash(self, mailbox_uuid, doc_id): + """ + Delete the entry for a MetaMsg in the UID table for a given mailbox. + + The doc_id must be in the format: + + M-<mailbox_uuid>-<content-hash-of-the-message> + + :param mailbox_uuid: the mailbox uuid + :type mailbox: str + :param doc_id: the doc_id for the MetaMsg + :type doc_id: str + :return: a deferred that will fire when the deletion has succed. + :rtype: Deferred + """ + check_good_uuid(mailbox_uuid) + assert doc_id + sql = ("DELETE FROM {preffix}{name} " + "WHERE hash=?".format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid))) + values = (doc_id,) + return self._query(sql, values) + + def get_doc_id_from_uid(self, mailbox_uuid, uid): + """ + Get the doc_id for a MetaMsg in the UID table for a given mailbox. + + :param mailbox_uuid: the mailbox uuid + :type mailbox: str + :param uid: the uid for the MetaMsg for this mailbox + :type uid: int + :rtype: Deferred + """ + check_good_uuid(mailbox_uuid) + mailbox_uuid = mailbox_uuid.replace('-', '_') + + def get_hash(result): + return _maybe_first_query_item(result) + + sql = ("SELECT hash from {preffix}{name} " + "WHERE uid=?".format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid))) + values = (uid,) + d = self._query(sql, values) + d.addCallback(get_hash) + return d + + def get_uid_from_doc_id(self, mailbox_uuid, doc_id): + check_good_uuid(mailbox_uuid) + mailbox_uuid = mailbox_uuid.replace('-', '_') + + def get_uid(result): + return _maybe_first_query_item(result) + + sql = ("SELECT uid from {preffix}{name} " + "WHERE hash=?".format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid))) + values = (doc_id,) + d = self._query(sql, values) + d.addCallback(get_uid) + return d + + def get_doc_ids_from_uids(self, mailbox_uuid, uids): + # For IMAP relative numbering /sequences. + # XXX dereference the range (n,*) + raise NotImplementedError() + + def count(self, mailbox_uuid): + """ + Get the number of entries in the UID table for a given mailbox. + + :param mailbox_uuid: the mailbox uuid + :type mailbox_uuid: str + :return: a deferred that will fire with an integer returning the count. + :rtype: Deferred + """ + check_good_uuid(mailbox_uuid) + + def get_count(result): + return _maybe_first_query_item(result) + + sql = ("SELECT Count(*) FROM {preffix}{name};".format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid))) + d = self._query(sql) + d.addCallback(get_count) + d.addErrback(lambda _: 0) + return d + + def get_next_uid(self, mailbox_uuid): + """ + Get the next integer beyond the highest UID count for a given mailbox. + + This is expected by the IMAP implementation. There are no guarantees + that a document to be inserted in the future gets the returned UID: the + only thing that can be assured is that it will be equal or greater than + the value returned. + + :param mailbox_uuid: the mailbox uuid + :type mailbox: str + :return: a deferred that will fire with an integer returning the next + uid. + :rtype: Deferred + """ + check_good_uuid(mailbox_uuid) + d = self.get_last_uid(mailbox_uuid) + d.addCallback(lambda uid: uid + 1) + return d + + def get_last_uid(self, mailbox_uuid): + """ + Get the highest UID for a given mailbox. + """ + check_good_uuid(mailbox_uuid) + sql = ("SELECT MAX(rowid) FROM {preffix}{name} " + "LIMIT 1;").format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid)) + + def getit(result): + rowid = _maybe_first_query_item(result) + if not rowid: + rowid = 0 + return rowid + + d = self._query(sql) + d.addCallback(getit) + return d + + def all_uid_iter(self, mailbox_uuid): + """ + Get a sequence of all the uids in this mailbox. + + :param mailbox_uuid: the mailbox uuid + :type mailbox_uuid: str + """ + check_good_uuid(mailbox_uuid) + + sql = ("SELECT uid from {preffix}{name} ").format( + preffix=self.table_preffix, name=sanitize(mailbox_uuid)) + + def get_results(result): + return [x[0] for x in result] + + d = self._query(sql) + d.addCallback(get_results) + return d diff --git a/src/leap/mail/messageflow.py b/src/leap/mail/messageflow.py deleted file mode 100644 index c8f224c..0000000 --- a/src/leap/mail/messageflow.py +++ /dev/null @@ -1,200 +0,0 @@ -# -*- coding: utf-8 -*- -# messageflow.py -# Copyright (C) 2013 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. -""" -Message Producers and Consumers for flow control. -""" -import Queue - -from twisted.internet.task import LoopingCall - -from zope.interface import Interface, implements - - -class IMessageConsumer(Interface): - """ - I consume messages from a queue. - """ - - def consume(self, queue): - """ - Consumes the passed item. - - :param item: a queue where we put the object to be consumed. - :type item: object - """ - # TODO we could add an optional type to be passed - # for doing type check. - - # TODO in case of errors, we could return the object to - # the queue, maybe wrapped in an object with a retries attribute. - - -class IMessageProducer(Interface): - """ - I produce messages and put them in a store to be consumed by other - entities. - """ - - def push(self, item, state=None): - """ - Push a new item in the queue. - """ - - def start(self): - """ - Start producing items. - """ - - def stop(self): - """ - Stop producing items. - """ - - def flush(self): - """ - Flush queued messages to consumer. - """ - - -class DummyMsgConsumer(object): - - implements(IMessageConsumer) - - def consume(self, queue): - """ - Just prints the passed item. - """ - if not queue.empty(): - print "got item %s" % queue.get() - - -class MessageProducer(object): - """ - A Producer class that we can use to temporarily buffer the production - of messages so that different objects can consume them. - - This is useful for serializing the consumption of the messages stream - in the case of an slow resource (db), or for returning early from a - deferred chain and leave further processing detached from the calling loop, - as in the case of smtp. - """ - implements(IMessageProducer) - - # TODO this can be seen as a first step towards properly implementing - # components that implement IPushProducer / IConsumer interfaces. - # However, I need to think more about how to pause the streaming. - # In any case, the differential rate between message production - # and consumption is not likely (?) to consume huge amounts of memory in - # our current settings, so the need to pause the stream is not urgent now. - - # TODO use enum - STATE_NEW = 1 - STATE_DIRTY = 2 - - def __init__(self, consumer, queue=Queue.Queue, period=1): - """ - Initializes the MessageProducer - - :param consumer: an instance of a IMessageConsumer that will consume - the new messages. - :param queue: any queue implementation to be used as the temporary - buffer for new items. Default is a FIFO Queue. - :param period: the period to check for new items, in seconds. - """ - # XXX should assert it implements IConsumer / IMailConsumer - # it should implement a `consume` method - self._consumer = consumer - - self._queue_new = queue() - self._queue_dirty = queue() - self._period = period - - self._loop = LoopingCall(self._check_for_new) - - # private methods - - def _check_for_new(self): - """ - Check for new items in the internal queue, and calls the consume - method in the consumer. - - If the queue is found empty, the loop is stopped. It will be started - again after the addition of new items. - """ - self._consumer.consume((self._queue_new, self._queue_dirty)) - if self.is_queue_empty(): - self.stop() - - def is_queue_empty(self): - """ - Return True if queue is empty, False otherwise. - """ - new = self._queue_new - dirty = self._queue_dirty - return new.empty() and dirty.empty() - - # public methods: IMessageProducer - - def push(self, item, state=None): - """ - Push a new item in the queue. - - If the queue was empty, we will start the loop again. - """ - # XXX this might raise if the queue does not accept any new - # items. what to do then? - queue = self._queue_new - - if state == self.STATE_NEW: - queue = self._queue_new - if state == self.STATE_DIRTY: - queue = self._queue_dirty - - queue.put(item) - self.start() - - def start(self): - """ - Start polling for new items. - """ - if not self._loop.running: - self._loop.start(self._period, now=True) - - def stop(self): - """ - Stop polling for new items. - """ - if self._loop.running: - self._loop.stop() - - def flush(self): - """ - Flush queued messages to consumer. - """ - self._check_for_new() - - -if __name__ == "__main__": - from twisted.internet import reactor - producer = MessageProducer(DummyMsgConsumer()) - producer.start() - - for delay, item in ((2, 1), (3, 2), (4, 3), - (6, 4), (7, 5), (8, 6), (8.2, 7), - (15, 'a'), (16, 'b'), (17, 'c')): - reactor.callLater(delay, producer.put, item) - reactor.run() diff --git a/src/leap/mail/outgoing/__init__.py b/src/leap/mail/outgoing/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/src/leap/mail/outgoing/__init__.py diff --git a/src/leap/mail/outgoing/service.py b/src/leap/mail/outgoing/service.py new file mode 100644 index 0000000..838a908 --- /dev/null +++ b/src/leap/mail/outgoing/service.py @@ -0,0 +1,467 @@ +# -*- coding: utf-8 -*- +# outgoing/service.py +# Copyright (C) 2013-2015 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +import re +from StringIO import StringIO +from copy import deepcopy +from email.parser import Parser +from email.mime.application import MIMEApplication +from email.mime.multipart import MIMEMultipart +from email.mime.text import MIMEText + +from OpenSSL import SSL + +from twisted.mail import smtp +from twisted.internet import reactor +from twisted.internet import defer +from twisted.protocols.amp import ssl +from twisted.python import log + +from leap.common.check import leap_assert_type, leap_assert +from leap.common.events import emit, catalog +from leap.keymanager.openpgp import OpenPGPKey +from leap.keymanager.errors import KeyNotFound, KeyAddressMismatch +from leap.mail import __version__ +from leap.mail.utils import validate_address +from leap.mail.smtp.rfc3156 import MultipartEncrypted +from leap.mail.smtp.rfc3156 import MultipartSigned +from leap.mail.smtp.rfc3156 import encode_base64_rec +from leap.mail.smtp.rfc3156 import RFC3156CompliantGenerator +from leap.mail.smtp.rfc3156 import PGPSignature +from leap.mail.smtp.rfc3156 import PGPEncrypted + +# TODO +# [ ] rename this module to something else, service should be the implementor +# of IService + + +class SSLContextFactory(ssl.ClientContextFactory): + def __init__(self, cert, key): + self.cert = cert + self.key = key + + def getContext(self): + # FIXME -- we should use sslv23 to allow for tlsv1.2 + # and, if possible, explicitely disable sslv3 clientside. + # Servers should avoid sslv3 + self.method = SSL.TLSv1_METHOD # SSLv23_METHOD + ctx = ssl.ClientContextFactory.getContext(self) + ctx.use_certificate_file(self.cert) + ctx.use_privatekey_file(self.key) + return ctx + + +class OutgoingMail: + """ + A service for handling encrypted outgoing mail. + """ + + def __init__(self, from_address, keymanager, cert, key, host, port): + """ + Initialize the mail service. + + :param from_address: The sender address. + :type from_address: str + :param keymanager: A KeyManager for retrieving recipient's keys. + :type keymanager: leap.common.keymanager.KeyManager + :param cert: The client certificate for SSL authentication. + :type cert: str + :param key: The client private key for SSL authentication. + :type key: str + :param host: The hostname of the remote SMTP server. + :type host: str + :param port: The port of the remote SMTP server. + :type port: int + """ + + # assert params + leap_assert_type(from_address, str) + leap_assert('@' in from_address) + + # XXX it can be a zope.proxy too + # leap_assert_type(keymanager, KeyManager) + + leap_assert_type(host, str) + leap_assert(host != '') + leap_assert_type(port, int) + leap_assert(port is not 0) + leap_assert_type(cert, unicode) + leap_assert(cert != '') + leap_assert_type(key, unicode) + leap_assert(key != '') + + self._port = port + self._host = host + self._key = key + self._cert = cert + self._from_address = from_address + self._keymanager = keymanager + + def send_message(self, raw, recipient): + """ + Sends a message to a recipient. Maybe encrypts and signs. + + :param raw: The raw message + :type raw: str + :param recipient: The recipient for the message + :type recipient: smtp.User + :return: a deferred which delivers the message when fired + """ + d = self._maybe_encrypt_and_sign(raw, recipient) + d.addCallback(self._route_msg) + d.addErrback(self.sendError) + return d + + def sendSuccess(self, smtp_sender_result): + """ + Callback for a successful send. + + :param smtp_sender_result: The result from the ESMTPSender from + _route_msg + :type smtp_sender_result: tuple(int, list(tuple)) + """ + dest_addrstr = smtp_sender_result[1][0][0] + log.msg('Message sent to %s' % dest_addrstr) + emit(catalog.SMTP_SEND_MESSAGE_SUCCESS, dest_addrstr) + + def sendError(self, failure): + """ + Callback for an unsuccessfull send. + + :param e: The result from the last errback. + :type e: anything + """ + # XXX: need to get the address from the exception to send signal + # emit(catalog.SMTP_SEND_MESSAGE_ERROR, self._user.dest.addrstr) + err = failure.value + log.err(err) + raise err + + def _route_msg(self, encrypt_and_sign_result): + """ + Sends the msg using the ESMTPSenderFactory. + + :param encrypt_and_sign_result: A tuple containing the 'maybe' + encrypted message and the recipient + :type encrypt_and_sign_result: tuple + """ + message, recipient = encrypt_and_sign_result + log.msg("Connecting to SMTP server %s:%s" % (self._host, self._port)) + msg = message.as_string(False) + + # we construct a defer to pass to the ESMTPSenderFactory + d = defer.Deferred() + d.addCallbacks(self.sendSuccess, self.sendError) + # we don't pass an ssl context factory to the ESMTPSenderFactory + # because ssl will be handled by reactor.connectSSL() below. + factory = smtp.ESMTPSenderFactory( + "", # username is blank, no client auth here + "", # password is blank, no client auth here + self._from_address, + recipient.dest.addrstr, + StringIO(msg), + d, + heloFallback=True, + requireAuthentication=False, + requireTransportSecurity=True) + factory.domain = __version__ + emit(catalog.SMTP_SEND_MESSAGE_START, recipient.dest.addrstr) + reactor.connectSSL( + self._host, self._port, factory, + contextFactory=SSLContextFactory(self._cert, self._key)) + + def _maybe_encrypt_and_sign(self, raw, recipient): + """ + Attempt to encrypt and sign the outgoing message. + + The behaviour of this method depends on: + + 1. the original message's content-type, and + 2. the availability of the recipient's public key. + + If the original message's content-type is "multipart/encrypted", then + the original message is not altered. For any other content-type, the + method attempts to fetch the recipient's public key. If the + recipient's public key is available, the message is encrypted and + signed; otherwise it is only signed. + + Note that, if the C{encrypted_only} configuration is set to True and + the recipient's public key is not available, then the recipient + address would have been rejected in SMTPDelivery.validateTo(). + + The following table summarizes the overall behaviour of the gateway: + + +---------------------------------------------------+----------------+ + | content-type | rcpt pubkey | enforce encr. | action | + +---------------------+-------------+---------------+----------------+ + | multipart/encrypted | any | any | pass | + | other | available | any | encrypt + sign | + | other | unavailable | yes | reject | + | other | unavailable | no | sign | + +---------------------+-------------+---------------+----------------+ + + :param raw: The raw message + :type raw: str + :param recipient: The recipient for the message + :type: recipient: smtp.User + + :return: A Deferred that will be fired with a MIMEMultipart message + and the original recipient Message + :rtype: Deferred + """ + # pass if the original message's content-type is "multipart/encrypted" + origmsg = Parser().parsestr(raw) + + if origmsg.get_content_type() == 'multipart/encrypted': + return defer.success((origmsg, recipient)) + + from_address = validate_address(self._from_address) + username, domain = from_address.split('@') + to_address = validate_address(recipient.dest.addrstr) + + def maybe_encrypt_and_sign(message): + d = self._encrypt_and_sign(message, to_address, from_address) + d.addCallbacks(signal_encrypt_sign, + if_key_not_found_send_unencrypted, + errbackArgs=(message,)) + return d + + def signal_encrypt_sign(newmsg): + emit(catalog.SMTP_END_ENCRYPT_AND_SIGN, + "%s,%s" % (self._from_address, to_address)) + return newmsg, recipient + + def if_key_not_found_send_unencrypted(failure, message): + failure.trap(KeyNotFound, KeyAddressMismatch) + + log.msg('Will send unencrypted message to %s.' % to_address) + emit(catalog.SMTP_START_SIGN, self._from_address) + d = self._sign(message, from_address) + d.addCallback(signal_sign) + return d + + def signal_sign(newmsg): + emit(catalog.SMTP_END_SIGN, self._from_address) + return newmsg, recipient + + log.msg("Will encrypt the message with %s and sign with %s." + % (to_address, from_address)) + emit(catalog.SMTP_START_ENCRYPT_AND_SIGN, + "%s,%s" % (self._from_address, to_address)) + d = self._maybe_attach_key(origmsg, from_address, to_address) + d.addCallback(maybe_encrypt_and_sign) + return d + + def _maybe_attach_key(self, origmsg, from_address, to_address): + filename = "%s-email-key.asc" % (from_address,) + + def attach_if_address_hasnt_encrypted(to_key): + # if the sign_used flag is true that means that we got an encrypted + # email from this address, because we conly check signatures on + # encrypted emails. In this case we don't attach. + # XXX: this might not be true some time in the future + if to_key.sign_used: + return origmsg + return get_key_and_attach(None) + + def get_key_and_attach(_): + d = self._keymanager.get_key(from_address, OpenPGPKey, + fetch_remote=False) + d.addCallback(attach_key) + return d + + def attach_key(from_key): + msg = origmsg + if not origmsg.is_multipart(): + msg = MIMEMultipart() + for h, v in origmsg.items(): + msg.add_header(h, v) + msg.attach(MIMEText(origmsg.get_payload())) + + keymsg = MIMEApplication(from_key.key_data, _subtype='pgp-keys', + _encoder=lambda x: x) + keymsg.add_header('content-disposition', 'attachment', + filename=filename) + msg.attach(keymsg) + return msg + + d = self._keymanager.get_key(to_address, OpenPGPKey, + fetch_remote=False) + d.addCallbacks(attach_if_address_hasnt_encrypted, get_key_and_attach) + d.addErrback(lambda _: origmsg) + return d + + def _encrypt_and_sign(self, origmsg, encrypt_address, sign_address): + """ + Create an RFC 3156 compliang PGP encrypted and signed message using + C{encrypt_address} to encrypt and C{sign_address} to sign. + + :param origmsg: The original message + :type origmsg: email.message.Message + :param encrypt_address: The address used to encrypt the message. + :type encrypt_address: str + :param sign_address: The address used to sign the message. + :type sign_address: str + + :return: A Deferred with the MultipartEncrypted message + :rtype: Deferred + """ + # create new multipart/encrypted message with 'pgp-encrypted' protocol + + def encrypt(res): + newmsg, origmsg = res + d = self._keymanager.encrypt( + origmsg.as_string(unixfrom=False), + encrypt_address, OpenPGPKey, sign=sign_address) + d.addCallback(lambda encstr: (newmsg, encstr)) + return d + + def create_encrypted_message(res): + newmsg, encstr = res + encmsg = MIMEApplication( + encstr, _subtype='octet-stream', _encoder=lambda x: x) + encmsg.add_header('content-disposition', 'attachment', + filename='msg.asc') + # create meta message + metamsg = PGPEncrypted() + metamsg.add_header('Content-Disposition', 'attachment') + # attach pgp message parts to new message + newmsg.attach(metamsg) + newmsg.attach(encmsg) + return newmsg + + d = self._fix_headers( + origmsg, + MultipartEncrypted('application/pgp-encrypted'), + sign_address) + d.addCallback(encrypt) + d.addCallback(create_encrypted_message) + return d + + def _sign(self, origmsg, sign_address): + """ + Create an RFC 3156 compliant PGP signed MIME message using + C{sign_address}. + + :param origmsg: The original message + :type origmsg: email.message.Message + :param sign_address: The address used to sign the message. + :type sign_address: str + + :return: A Deferred with the MultipartSigned message. + :rtype: Deferred + """ + # apply base64 content-transfer-encoding + encode_base64_rec(origmsg) + # get message text with headers and replace \n for \r\n + fp = StringIO() + g = RFC3156CompliantGenerator( + fp, mangle_from_=False, maxheaderlen=76) + g.flatten(origmsg) + msgtext = re.sub('\r?\n', '\r\n', fp.getvalue()) + # make sure signed message ends with \r\n as per OpenPGP stantard. + if origmsg.is_multipart(): + if not msgtext.endswith("\r\n"): + msgtext += "\r\n" + + def create_signed_message(res): + (msg, _), signature = res + sigmsg = PGPSignature(signature) + # attach original message and signature to new message + msg.attach(origmsg) + msg.attach(sigmsg) + return msg + + dh = self._fix_headers( + origmsg, + MultipartSigned('application/pgp-signature', 'pgp-sha512'), + sign_address) + ds = self._keymanager.sign( + msgtext, sign_address, OpenPGPKey, digest_algo='SHA512', + clearsign=False, detach=True, binary=False) + d = defer.gatherResults([dh, ds]) + d.addCallback(create_signed_message) + return d + + def _fix_headers(self, msg, newmsg, sign_address): + """ + Move some headers from C{origmsg} to C{newmsg}, delete unwanted + headers from C{origmsg} and add new headers to C{newms}. + + Outgoing messages are either encrypted and signed or just signed + before being sent. Because of that, they are packed inside new + messages and some manipulation has to be made on their headers. + + Allowed headers for passing through: + + - From + - Date + - To + - Subject + - Reply-To + - References + - In-Reply-To + - Cc + + Headers to be added: + + - Message-ID (i.e. should not use origmsg's Message-Id) + - Received (this is added automatically by twisted smtp API) + - OpenPGP (see #4447) + + Headers to be deleted: + + - User-Agent + + :param msg: The original message. + :type msg: email.message.Message + :param newmsg: The new message being created. + :type newmsg: email.message.Message + :param sign_address: The address used to sign C{newmsg} + :type sign_address: str + + :return: A Deferred with a touple: + (new Message with the unencrypted headers, + original Message with headers removed) + :rtype: Deferred + """ + origmsg = deepcopy(msg) + # move headers from origmsg to newmsg + headers = origmsg.items() + passthrough = [ + 'from', 'date', 'to', 'subject', 'reply-to', 'references', + 'in-reply-to', 'cc' + ] + headers = filter(lambda x: x[0].lower() in passthrough, headers) + for hkey, hval in headers: + newmsg.add_header(hkey, hval) + del (origmsg[hkey]) + # add a new message-id to newmsg + newmsg.add_header('Message-Id', smtp.messageid()) + # delete user-agent from origmsg + del (origmsg['user-agent']) + + def add_openpgp_header(signkey): + username, domain = sign_address.split('@') + newmsg.add_header( + 'OpenPGP', 'id=%s' % signkey.key_id, + url='https://%s/key/%s' % (domain, username), + preference='signencrypt') + return newmsg, origmsg + + d = self._keymanager.get_key(sign_address, OpenPGPKey, private=True) + d.addCallback(add_openpgp_header) + return d diff --git a/src/leap/mail/outgoing/tests/__init__.py b/src/leap/mail/outgoing/tests/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/src/leap/mail/outgoing/tests/__init__.py diff --git a/src/leap/mail/outgoing/tests/test_outgoing.py b/src/leap/mail/outgoing/tests/test_outgoing.py new file mode 100644 index 0000000..2376da9 --- /dev/null +++ b/src/leap/mail/outgoing/tests/test_outgoing.py @@ -0,0 +1,256 @@ +# -*- coding: utf-8 -*- +# test_gateway.py +# Copyright (C) 2013 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + + +""" +SMTP gateway tests. +""" + +import re +from StringIO import StringIO +from email.parser import Parser +from datetime import datetime +from twisted.internet.defer import fail +from twisted.mail.smtp import User + +from mock import Mock + +from leap.mail.smtp.gateway import SMTPFactory +from leap.mail.smtp.rfc3156 import RFC3156CompliantGenerator +from leap.mail.outgoing.service import OutgoingMail +from leap.mail.tests import ( + TestCaseWithKeyManager, + ADDRESS, + ADDRESS_2, + PUBLIC_KEY_2, +) +from leap.keymanager import openpgp, errors + + +BEGIN_PUBLIC_KEY = "-----BEGIN PGP PUBLIC KEY BLOCK-----" + + +class TestOutgoingMail(TestCaseWithKeyManager): + EMAIL_DATA = ['HELO gateway.leap.se', + 'MAIL FROM: <%s>' % ADDRESS_2, + 'RCPT TO: <%s>' % ADDRESS, + 'DATA', + 'From: User <%s>' % ADDRESS_2, + 'To: Leap <%s>' % ADDRESS, + 'Date: ' + datetime.now().strftime('%c'), + 'Subject: test message', + '', + 'This is a secret message.', + 'Yours,', + 'A.', + '', + '.', + 'QUIT'] + + def setUp(self): + self.lines = [line for line in self.EMAIL_DATA[4:12]] + self.lines.append('') # add a trailing newline + self.raw = '\r\n'.join(self.lines) + self.expected_body = '\r\n'.join(self.EMAIL_DATA[9:12]) + "\r\n" + self.fromAddr = ADDRESS_2 + + def init_outgoing_and_proto(_): + self.outgoing_mail = OutgoingMail( + self.fromAddr, self._km, self._config['cert'], + self._config['key'], self._config['host'], + self._config['port']) + self.proto = SMTPFactory( + u'anotheruser@leap.se', + self._km, + self._config['encrypted_only'], + self.outgoing_mail).buildProtocol(('127.0.0.1', 0)) + self.dest = User(ADDRESS, 'gateway.leap.se', self.proto, ADDRESS_2) + + d = TestCaseWithKeyManager.setUp(self) + d.addCallback(init_outgoing_and_proto) + return d + + def test_message_encrypt(self): + """ + Test if message gets encrypted to destination email. + """ + def check_decryption(res): + decrypted, _ = res + self.assertEqual( + '\n' + self.expected_body, + decrypted, + 'Decrypted text differs from plaintext.') + + d = self._set_sign_used(ADDRESS) + d.addCallback( + lambda _: + self.outgoing_mail._maybe_encrypt_and_sign(self.raw, self.dest)) + d.addCallback(self._assert_encrypted) + d.addCallback(lambda message: self._km.decrypt( + message.get_payload(1).get_payload(), ADDRESS, openpgp.OpenPGPKey)) + d.addCallback(check_decryption) + return d + + def test_message_encrypt_sign(self): + """ + Test if message gets encrypted to destination email and signed with + sender key. + '""" + def check_decryption_and_verify(res): + decrypted, signkey = res + self.assertEqual( + '\n' + self.expected_body, + decrypted, + 'Decrypted text differs from plaintext.') + self.assertTrue(ADDRESS_2 in signkey.address, + "Verification failed") + + d = self._set_sign_used(ADDRESS) + d.addCallback( + lambda _: + self.outgoing_mail._maybe_encrypt_and_sign(self.raw, self.dest)) + d.addCallback(self._assert_encrypted) + d.addCallback(lambda message: self._km.decrypt( + message.get_payload(1).get_payload(), ADDRESS, openpgp.OpenPGPKey, + verify=ADDRESS_2)) + d.addCallback(check_decryption_and_verify) + return d + + def test_message_sign(self): + """ + Test if message is signed with sender key. + """ + # mock the key fetching + self._km._fetch_keys_from_server = Mock( + return_value=fail(errors.KeyNotFound())) + recipient = User('ihavenopubkey@nonleap.se', + 'gateway.leap.se', self.proto, ADDRESS) + self.outgoing_mail = OutgoingMail( + self.fromAddr, self._km, self._config['cert'], self._config['key'], + self._config['host'], self._config['port']) + + def check_signed(res): + message, _ = res + self.assertTrue('Content-Type' in message) + self.assertEqual('multipart/signed', message.get_content_type()) + self.assertEqual('application/pgp-signature', + message.get_param('protocol')) + self.assertEqual('pgp-sha512', message.get_param('micalg')) + # assert content of message + body = (message.get_payload(0) + .get_payload(0) + .get_payload(decode=True)) + self.assertEqual(self.expected_body, + body) + # assert content of signature + self.assertTrue( + message.get_payload(1).get_payload().startswith( + '-----BEGIN PGP SIGNATURE-----\n'), + 'Message does not start with signature header.') + self.assertTrue( + message.get_payload(1).get_payload().endswith( + '-----END PGP SIGNATURE-----\n'), + 'Message does not end with signature footer.') + return message + + def verify(message): + # replace EOL before verifying (according to rfc3156) + fp = StringIO() + g = RFC3156CompliantGenerator( + fp, mangle_from_=False, maxheaderlen=76) + g.flatten(message.get_payload(0)) + signed_text = re.sub('\r?\n', '\r\n', + fp.getvalue()) + + def assert_verify(key): + self.assertTrue(ADDRESS_2 in key.address, + 'Signature could not be verified.') + + d = self._km.verify( + signed_text, ADDRESS_2, openpgp.OpenPGPKey, + detached_sig=message.get_payload(1).get_payload()) + d.addCallback(assert_verify) + return d + + d = self.outgoing_mail._maybe_encrypt_and_sign(self.raw, recipient) + d.addCallback(check_signed) + d.addCallback(verify) + return d + + def test_attach_key(self): + d = self.outgoing_mail._maybe_encrypt_and_sign(self.raw, self.dest) + d.addCallback(self._assert_encrypted) + d.addCallback(self._check_headers, self.lines[:4]) + d.addCallback(lambda message: self._km.decrypt( + message.get_payload(1).get_payload(), ADDRESS, openpgp.OpenPGPKey)) + d.addCallback(lambda (decrypted, _): + self._check_key_attachment(Parser().parsestr(decrypted))) + return d + + def test_attach_key_not_known(self): + address = "someunknownaddress@somewhere.com" + lines = self.lines + lines[1] = "To: <%s>" % (address,) + raw = '\r\n'.join(lines) + dest = User(address, 'gateway.leap.se', self.proto, ADDRESS_2) + + d = self.outgoing_mail._maybe_encrypt_and_sign(raw, dest) + d.addCallback(lambda (message, _): + self._check_headers(message, lines[:4])) + d.addCallback(self._check_key_attachment) + return d + + def _check_headers(self, message, headers): + msgstr = message.as_string(unixfrom=False) + for header in headers: + self.assertTrue(header in msgstr, + "Missing header: %s" % (header,)) + return message + + def _check_key_attachment(self, message): + for payload in message.get_payload(): + if payload.is_multipart(): + return self._check_key_attachment(payload) + if 'application/pgp-keys' == payload.get_content_type(): + keylines = PUBLIC_KEY_2.split('\n') + key = BEGIN_PUBLIC_KEY + '\n\n' + '\n'.join(keylines[4:-1]) + self.assertTrue(key in payload.get_payload(decode=True), + "Key attachment don't match") + return + self.fail("No public key attachment found") + + def _set_sign_used(self, address): + def set_sign(key): + key.sign_used = True + return self._km.put_key(key, address) + + d = self._km.get_key(address, openpgp.OpenPGPKey, fetch_remote=False) + d.addCallback(set_sign) + return d + + def _assert_encrypted(self, res): + message, _ = res + self.assertTrue('Content-Type' in message) + self.assertEqual('multipart/encrypted', message.get_content_type()) + self.assertEqual('application/pgp-encrypted', + message.get_param('protocol')) + self.assertEqual(2, len(message.get_payload())) + self.assertEqual('application/pgp-encrypted', + message.get_payload(0).get_content_type()) + self.assertEqual('application/octet-stream', + message.get_payload(1).get_content_type()) + return message diff --git a/src/leap/mail/plugins/__init__.py b/src/leap/mail/plugins/__init__.py new file mode 100644 index 0000000..ddb8691 --- /dev/null +++ b/src/leap/mail/plugins/__init__.py @@ -0,0 +1,3 @@ +from twisted.plugin import pluginPackagePaths +__path__.extend(pluginPackagePaths(__name__)) +__all__ = [] diff --git a/src/leap/mail/plugins/soledad_sync_hooks.py b/src/leap/mail/plugins/soledad_sync_hooks.py new file mode 100644 index 0000000..9d48126 --- /dev/null +++ b/src/leap/mail/plugins/soledad_sync_hooks.py @@ -0,0 +1,19 @@ +# -*- coding: utf-8 -*- +# soledad_sync_hooks.py +# Copyright (C) 2015 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +from leap.mail.sync_hooks import MailProcessingPostSyncHook +post_sync_uid_reindexer = MailProcessingPostSyncHook() diff --git a/src/leap/mail/smtp/README.rst b/src/leap/mail/smtp/README.rst index f625441..1d3a903 100644 --- a/src/leap/mail/smtp/README.rst +++ b/src/leap/mail/smtp/README.rst @@ -1,18 +1,39 @@ Leap SMTP Gateway ================= +The Bitmask Client runs a thin SMTP gateway on the user's device, which +intends to encrypt and sign outgoing messages to achieve point to point +encryption. + +The gateway is bound to localhost and the user's MUA should be configured to +send messages to it. After doing its thing, the gateway will relay the +messages to the remote SMTP server. + Outgoing mail workflow: - * LEAP client runs a thin SMTP proxy on the user's device, bound to - localhost. - * User's MUA is configured outgoing SMTP to localhost. - * When SMTP proxy receives an email from MUA: - * SMTP proxy queries Key Manager for the user's private key and public - keys of all recipients. - * Message is signed by sender and encrypted to recipients. - * If recipient's key is missing, email goes out in cleartext (unless - user has configured option to send only encrypted email). - * Finally, message is gatewayed to provider's SMTP server. + * SMTP gateway receives a message from the MUA. + + * SMTP gateway queries Key Manager for the user's private key. + + * For each recipient (including addresses in "To", "Cc" anc "Bcc" fields), + the following happens: + + - The recipient's address is validated against RFC2822. + + - An attempt is made to fetch the recipient's public PGP key. + + - If key is not found: + + - If the gateway is configured to only send encrypted messages the + recipient is rejected. + + - Otherwise, the message is signed and sent as plain text. + + - If the key is found, the message is encrypted to the recipient and + signed with the sender's private PGP key. + + * Finally, one message for each recipient is gatewayed to provider's SMTP + server. Running tests diff --git a/src/leap/mail/smtp/__init__.py b/src/leap/mail/smtp/__init__.py index bbd4064..2ff14d7 100644 --- a/src/leap/mail/smtp/__init__.py +++ b/src/leap/mail/smtp/__init__.py @@ -22,12 +22,13 @@ import logging from twisted.internet import reactor from twisted.internet.error import CannotListenError +from leap.mail.outgoing.service import OutgoingMail -logger = logging.getLogger(__name__) - -from leap.common.events import proto, signal +from leap.common.events import emit, catalog from leap.mail.smtp.gateway import SMTPFactory +logger = logging.getLogger(__name__) + def setup_smtp_gateway(port, userid, keymanager, smtp_host, smtp_port, smtp_cert, smtp_key, encrypted_only): @@ -40,7 +41,7 @@ def setup_smtp_gateway(port, userid, keymanager, smtp_host, smtp_port, :param port: The port in which to run the server. :type port: int :param userid: The user currently logged in - :type userid: unicode + :type userid: str :param keymanager: A Key Manager from where to get recipients' public keys. :type keymanager: leap.common.keymanager.KeyManager @@ -59,16 +60,17 @@ def setup_smtp_gateway(port, userid, keymanager, smtp_host, smtp_port, :returns: tuple of SMTPFactory, twisted.internet.tcp.Port """ # configure the use of this service with twistd - factory = SMTPFactory(userid, keymanager, smtp_host, smtp_port, smtp_cert, - smtp_key, encrypted_only) + outgoing_mail = OutgoingMail( + userid, keymanager, smtp_cert, smtp_key, smtp_host, smtp_port) + factory = SMTPFactory(userid, keymanager, encrypted_only, outgoing_mail) try: tport = reactor.listenTCP(port, factory, interface="localhost") - signal(proto.SMTP_SERVICE_STARTED, str(port)) + emit(catalog.SMTP_SERVICE_STARTED, str(port)) return factory, tport except CannotListenError: logger.error("STMP Service failed to start: " "cannot listen in port %s" % port) - signal(proto.SMTP_SERVICE_FAILED_TO_START, str(port)) + emit(catalog.SMTP_SERVICE_FAILED_TO_START, str(port)) except Exception as exc: logger.error("Unhandled error while launching smtp gateway service") logger.exception(exc) diff --git a/src/leap/mail/smtp/gateway.py b/src/leap/mail/smtp/gateway.py index 13d3bbf..7dae907 100644 --- a/src/leap/mail/smtp/gateway.py +++ b/src/leap/mail/smtp/gateway.py @@ -21,49 +21,34 @@ The following classes comprise the SMTP gateway service: * SMTPFactory - A twisted.internet.protocol.ServerFactory that provides the SMTPDelivery protocol. + * SMTPDelivery - A twisted.mail.smtp.IMessageDelivery implementation. It knows how to validate sender and receiver of messages and it generates an EncryptedMessage for each recipient. - * SSLContextFactory - Contains the relevant ssl information for the - connection. + * EncryptedMessage - An implementation of twisted.mail.smtp.IMessage that knows how to encrypt/sign itself before sending. - - """ -import re -from StringIO import StringIO -from email.Header import Header -from email.utils import parseaddr -from email.parser import Parser -from email.mime.application import MIMEApplication from zope.interface import implements -from OpenSSL import SSL from twisted.mail import smtp from twisted.internet.protocol import ServerFactory -from twisted.internet import reactor, ssl -from twisted.internet import defer -from twisted.internet.threads import deferToThread from twisted.python import log -from leap.common.check import leap_assert, leap_assert_type -from leap.common.events import proto, signal -from leap.keymanager import KeyManager +from email.Header import Header +from leap.common.check import leap_assert_type +from leap.common.events import emit, catalog from leap.keymanager.openpgp import OpenPGPKey from leap.keymanager.errors import KeyNotFound -from leap.mail import __version__ +from leap.mail.utils import validate_address + from leap.mail.smtp.rfc3156 import ( - MultipartSigned, - MultipartEncrypted, - PGPEncrypted, - PGPSignature, RFC3156CompliantGenerator, - encode_base64_rec, ) # replace email generator with a RFC 3156 compliant one. from email import generator + generator.Generator = RFC3156CompliantGenerator @@ -74,31 +59,6 @@ generator.Generator = RFC3156CompliantGenerator LOCAL_FQDN = "bitmask.local" -def validate_address(address): - """ - Validate C{address} as defined in RFC 2822. - - :param address: The address to be validated. - :type address: str - - @return: A valid address. - @rtype: str - - @raise smtp.SMTPBadRcpt: Raised if C{address} is invalid. - """ - leap_assert_type(address, str) - # in the following, the address is parsed as described in RFC 2822 and - # ('', '') is returned if the parse fails. - _, address = parseaddr(address) - if address == '': - raise smtp.SMTPBadRcpt(address) - return address - - -# -# SMTPFactory -# - class SMTPHeloLocalhost(smtp.SMTP): """ An SMTP class that ensures a proper FQDN @@ -119,45 +79,26 @@ class SMTPFactory(ServerFactory): """ domain = LOCAL_FQDN - def __init__(self, userid, keymanager, host, port, cert, key, - encrypted_only): + def __init__(self, userid, keymanager, encrypted_only, outgoing_mail): """ Initialize the SMTP factory. :param userid: The user currently logged in :type userid: unicode - :param keymanager: A KeyManager for retrieving recipient's keys. - :type keymanager: leap.common.keymanager.KeyManager - :param host: The hostname of the remote SMTP server. - :type host: str - :param port: The port of the remote SMTP server. - :type port: int - :param cert: The client certificate for authentication. - :type cert: str - :param key: The client key for authentication. - :type key: str + :param keymanager: A Key Manager from where to get recipients' public + keys. :param encrypted_only: Whether the SMTP gateway should send unencrypted mail or not. :type encrypted_only: bool + :param outgoing_mail: The outgoing mail to send the message + :type outgoing_mail: leap.mail.outgoing.service.OutgoingMail """ - # assert params - leap_assert_type(keymanager, KeyManager) - leap_assert_type(host, str) - leap_assert(host != '') - leap_assert_type(port, int) - leap_assert(port is not 0) - leap_assert_type(cert, unicode) - leap_assert(cert != '') - leap_assert_type(key, unicode) - leap_assert(key != '') + leap_assert_type(encrypted_only, bool) # and store them self._userid = userid self._km = keymanager - self._host = host - self._port = port - self._cert = cert - self._key = key + self._outgoing_mail = outgoing_mail self._encrypted_only = encrypted_only def buildProtocol(self, addr): @@ -170,9 +111,10 @@ class SMTPFactory(ServerFactory): @return: The protocol. @rtype: SMTPDelivery """ - smtpProtocol = SMTPHeloLocalhost(SMTPDelivery( - self._userid, self._km, self._host, self._port, self._cert, - self._key, self._encrypted_only)) + smtpProtocol = SMTPHeloLocalhost( + SMTPDelivery( + self._userid, self._km, self._encrypted_only, + self._outgoing_mail)) smtpProtocol.factory = self return smtpProtocol @@ -188,33 +130,23 @@ class SMTPDelivery(object): implements(smtp.IMessageDelivery) - def __init__(self, userid, keymanager, host, port, cert, key, - encrypted_only): + def __init__(self, userid, keymanager, encrypted_only, outgoing_mail): """ Initialize the SMTP delivery object. :param userid: The user currently logged in :type userid: unicode - :param keymanager: A KeyManager for retrieving recipient's keys. - :type keymanager: leap.common.keymanager.KeyManager - :param host: The hostname of the remote SMTP server. - :type host: str - :param port: The port of the remote SMTP server. - :type port: int - :param cert: The client certificate for authentication. - :type cert: str - :param key: The client key for authentication. - :type key: str + :param keymanager: A Key Manager from where to get recipients' public + keys. :param encrypted_only: Whether the SMTP gateway should send unencrypted mail or not. :type encrypted_only: bool + :param outgoing_mail: The outgoing mail to send the message + :type outgoing_mail: leap.mail.outgoing.service.OutgoingMail """ self._userid = userid + self._outgoing_mail = outgoing_mail self._km = keymanager - self._host = host - self._port = port - self._cert = cert - self._key = key self._encrypted_only = encrypted_only self._origin = None @@ -242,47 +174,58 @@ class SMTPDelivery(object): def validateTo(self, user): """ - Validate the address of C{user}, a recipient of the message. + Validate the address of a recipient of the message, possibly + rejecting it if the recipient key is not available. - This method is called once for each recipient and validates the - C{user}'s address against the RFC 2822 definition. If the - configuration option ENCRYPTED_ONLY_KEY is True, it also asserts the - existence of the user's key. + This method is called once for each recipient, i.e. for each SMTP + protocol line beginning with "RCPT TO:", which includes all addresses + in "To", "Cc" and "Bcc" MUA fields. - In the end, it returns an encrypted message object that is able to - send itself to the C{user}'s address. + The recipient's address is validated against the RFC 2822 definition. + If self._encrypted_only is True and no key is found for a recipient, + then that recipient is rejected. + + The method returns an encrypted message object that is able to send + itself to the user's address. :param user: The user whose address we wish to validate. :type: twisted.mail.smtp.User - @return: A Deferred which becomes, or a callable which takes no - arguments and returns an object implementing IMessage. This will - be called and the returned object used to deliver the message when - it arrives. + @return: A callable which takes no arguments and returns an + encryptedMessage. @rtype: no-argument callable @raise SMTPBadRcpt: Raised if messages to the address are not to be - accepted. + accepted. """ # try to find recipient's public key - try: - address = validate_address(user.dest.addrstr) - # verify if recipient key is available in keyring - self._km.get_key(address, OpenPGPKey) # might raise KeyNotFound + address = validate_address(user.dest.addrstr) + + # verify if recipient key is available in keyring + def found(_): log.msg("Accepting mail for %s..." % user.dest.addrstr) - signal(proto.SMTP_RECIPIENT_ACCEPTED_ENCRYPTED, user.dest.addrstr) - except KeyNotFound: - # if key was not found, check config to see if will send anyway. + emit(catalog.SMTP_RECIPIENT_ACCEPTED_ENCRYPTED, user.dest.addrstr) + + def not_found(failure): + failure.trap(KeyNotFound) + + # if key was not found, check config to see if will send anyway if self._encrypted_only: - signal(proto.SMTP_RECIPIENT_REJECTED, user.dest.addrstr) + emit(catalog.SMTP_RECIPIENT_REJECTED, user.dest.addrstr) raise smtp.SMTPBadRcpt(user.dest.addrstr) log.msg("Warning: will send an unencrypted message (because " "encrypted_only' is set to False).") - signal( - proto.SMTP_RECIPIENT_ACCEPTED_UNENCRYPTED, user.dest.addrstr) - return lambda: EncryptedMessage( - self._origin, user, self._km, self._host, self._port, self._cert, - self._key) + emit( + catalog.SMTP_RECIPIENT_ACCEPTED_UNENCRYPTED, + user.dest.addrstr) + + def encrypt_func(_): + return lambda: EncryptedMessage(user, self._outgoing_mail) + + d = self._km.get_key(address, OpenPGPKey) + d.addCallbacks(found, not_found) + d.addCallback(encrypt_func) + return d def validateFrom(self, helo, origin): """ @@ -314,19 +257,6 @@ class SMTPDelivery(object): # EncryptedMessage # -class SSLContextFactory(ssl.ClientContextFactory): - def __init__(self, cert, key): - self.cert = cert - self.key = key - - def getContext(self): - self.method = SSL.TLSv1_METHOD # SSLv23_METHOD - ctx = ssl.ClientContextFactory.getContext(self) - ctx.use_certificate_file(self.cert) - ctx.use_privatekey_file(self.key) - return ctx - - class EncryptedMessage(object): """ Receive plaintext from client, encrypt it and send message to a @@ -334,44 +264,21 @@ class EncryptedMessage(object): """ implements(smtp.IMessage) - FOOTER_STRING = "I prefer encrypted email" - - def __init__(self, fromAddress, user, keymanager, host, port, cert, key): + def __init__(self, user, outgoing_mail): """ Initialize the encrypted message. - :param fromAddress: The address of the sender. - :type fromAddress: twisted.mail.smtp.Address :param user: The recipient of this message. :type user: twisted.mail.smtp.User - :param keymanager: A KeyManager for retrieving recipient's keys. - :type keymanager: leap.common.keymanager.KeyManager - :param host: The hostname of the remote SMTP server. - :type host: str - :param port: The port of the remote SMTP server. - :type port: int - :param cert: The client certificate for authentication. - :type cert: str - :param key: The client key for authentication. - :type key: str + :param outgoing_mail: The outgoing mail to send the message + :type outgoing_mail: leap.mail.outgoing.service.OutgoingMail """ # assert params leap_assert_type(user, smtp.User) - leap_assert_type(keymanager, KeyManager) - # and store them - self._fromAddress = fromAddress - self._user = user - self._km = keymanager - self._host = host - self._port = port - self._cert = cert - self._key = key - # initialize list for message's lines - self.lines = [] - # - # methods from smtp.IMessage - # + self._user = user + self._lines = [] + self._outgoing_mail = outgoing_mail def lineReceived(self, line): """ @@ -380,7 +287,7 @@ class EncryptedMessage(object): :param line: The received line. :type line: str """ - self.lines.append(line) + self._lines.append(line) def eomReceived(self): """ @@ -391,10 +298,10 @@ class EncryptedMessage(object): :returns: a deferred """ log.msg("Message data complete.") - self.lines.append('') # add a trailing newline - d = deferToThread(self._maybe_encrypt_and_sign) - d.addCallbacks(self.sendMessage, self.skipNoKeyErrBack) - return d + self._lines.append('') # add a trailing newline + raw_mail = '\r\n'.join(self._lines) + + return self._outgoing_mail.send_message(raw_mail, self._user) def connectionLost(self): """ @@ -402,292 +309,7 @@ class EncryptedMessage(object): """ log.msg("Connection lost unexpectedly!") log.err() - signal(proto.SMTP_CONNECTION_LOST, self._user.dest.addrstr) + emit(catalog.SMTP_CONNECTION_LOST, self._user.dest.addrstr) # unexpected loss of connection; don't save - self.lines = [] - - # ends IMessage implementation - - def skipNoKeyErrBack(self, failure): - """ - Errback that ignores a KeyNotFound - - :param failure: the failure - :type Failure: Failure - """ - err = failure.value - if failure.check(KeyNotFound): - pass - else: - raise err - - def parseMessage(self): - """ - Separate message headers from body. - """ - parser = Parser() - return parser.parsestr('\r\n'.join(self.lines)) - - def sendQueued(self, r): - """ - Callback for the queued message. - - :param r: The result from the last previous callback in the chain. - :type r: anything - """ - log.msg(r) - - def sendSuccess(self, r): - """ - Callback for a successful send. - - :param r: The result from the last previous callback in the chain. - :type r: anything - """ - log.msg(r) - signal(proto.SMTP_SEND_MESSAGE_SUCCESS, self._user.dest.addrstr) - - def sendError(self, failure): - """ - Callback for an unsuccessfull send. - - :param e: The result from the last errback. - :type e: anything - """ - signal(proto.SMTP_SEND_MESSAGE_ERROR, self._user.dest.addrstr) - err = failure.value - log.err(err) - raise err - - def sendMessage(self, *args): - """ - Sends the message. - - :return: A deferred with callback and errback for - this #message send. - :rtype: twisted.internet.defer.Deferred - """ - d = deferToThread(self._route_msg) - d.addCallbacks(self.sendQueued, self.sendError) - return d - - def _route_msg(self): - """ - Sends the msg using the ESMTPSenderFactory. - """ - log.msg("Connecting to SMTP server %s:%s" % (self._host, self._port)) - msg = self._msg.as_string(False) - - # we construct a defer to pass to the ESMTPSenderFactory - d = defer.Deferred() - d.addCallbacks(self.sendSuccess, self.sendError) - # we don't pass an ssl context factory to the ESMTPSenderFactory - # because ssl will be handled by reactor.connectSSL() below. - factory = smtp.ESMTPSenderFactory( - "", # username is blank because server does not use auth. - "", # password is blank because server does not use auth. - self._fromAddress.addrstr, - self._user.dest.addrstr, - StringIO(msg), - d, - heloFallback=True, - requireAuthentication=False, - requireTransportSecurity=True) - factory.domain = __version__ - signal(proto.SMTP_SEND_MESSAGE_START, self._user.dest.addrstr) - reactor.connectSSL( - self._host, self._port, factory, - contextFactory=SSLContextFactory(self._cert, self._key)) - - # - # encryption methods - # - - def _encrypt_and_sign(self, pubkey, signkey): - """ - Create an RFC 3156 compliang PGP encrypted and signed message using - C{pubkey} to encrypt and C{signkey} to sign. - :param pubkey: The public key used to encrypt the message. - :type pubkey: OpenPGPKey - :param signkey: The private key used to sign the message. - :type signkey: OpenPGPKey - """ - # create new multipart/encrypted message with 'pgp-encrypted' protocol - newmsg = MultipartEncrypted('application/pgp-encrypted') - # move (almost) all headers from original message to the new message - self._fix_headers(self._origmsg, newmsg, signkey) - # create 'application/octet-stream' encrypted message - encmsg = MIMEApplication( - self._km.encrypt(self._origmsg.as_string(unixfrom=False), pubkey, - sign=signkey), - _subtype='octet-stream', _encoder=lambda x: x) - encmsg.add_header('content-disposition', 'attachment', - filename='msg.asc') - # create meta message - metamsg = PGPEncrypted() - metamsg.add_header('Content-Disposition', 'attachment') - # attach pgp message parts to new message - newmsg.attach(metamsg) - newmsg.attach(encmsg) - self._msg = newmsg - - def _sign(self, signkey): - """ - Create an RFC 3156 compliant PGP signed MIME message using C{signkey}. - - :param signkey: The private key used to sign the message. - :type signkey: leap.common.keymanager.openpgp.OpenPGPKey - """ - # create new multipart/signed message - newmsg = MultipartSigned('application/pgp-signature', 'pgp-sha512') - # move (almost) all headers from original message to the new message - self._fix_headers(self._origmsg, newmsg, signkey) - # apply base64 content-transfer-encoding - encode_base64_rec(self._origmsg) - # get message text with headers and replace \n for \r\n - fp = StringIO() - g = RFC3156CompliantGenerator( - fp, mangle_from_=False, maxheaderlen=76) - g.flatten(self._origmsg) - msgtext = re.sub('\r?\n', '\r\n', fp.getvalue()) - # make sure signed message ends with \r\n as per OpenPGP stantard. - if self._origmsg.is_multipart(): - if not msgtext.endswith("\r\n"): - msgtext += "\r\n" - # calculate signature - signature = self._km.sign(msgtext, signkey, digest_algo='SHA512', - clearsign=False, detach=True, binary=False) - sigmsg = PGPSignature(signature) - # attach original message and signature to new message - newmsg.attach(self._origmsg) - newmsg.attach(sigmsg) - self._msg = newmsg - - def _maybe_encrypt_and_sign(self): - """ - Attempt to encrypt and sign the outgoing message. - - The behaviour of this method depends on: - - 1. the original message's content-type, and - 2. the availability of the recipient's public key. - - If the original message's content-type is "multipart/encrypted", then - the original message is not altered. For any other content-type, the - method attempts to fetch the recipient's public key. If the - recipient's public key is available, the message is encrypted and - signed; otherwise it is only signed. - - Note that, if the C{encrypted_only} configuration is set to True and - the recipient's public key is not available, then the recipient - address would have been rejected in SMTPDelivery.validateTo(). - - The following table summarizes the overall behaviour of the gateway: - - +---------------------------------------------------+----------------+ - | content-type | rcpt pubkey | enforce encr. | action | - +---------------------+-------------+---------------+----------------+ - | multipart/encrypted | any | any | pass | - | other | available | any | encrypt + sign | - | other | unavailable | yes | reject | - | other | unavailable | no | sign | - +---------------------+-------------+---------------+----------------+ - """ - # pass if the original message's content-type is "multipart/encrypted" - self._origmsg = self.parseMessage() - if self._origmsg.get_content_type() == 'multipart/encrypted': - self._msg = self._origmsg - return - - from_address = validate_address(self._fromAddress.addrstr) - username, domain = from_address.split('@') - - # add a nice footer to the outgoing message - if self._origmsg.get_content_type() == 'text/plain': - self.lines.append('--') - self.lines.append('%s - https://%s/key/%s' % - (self.FOOTER_STRING, domain, username)) - self.lines.append('') - - self._origmsg = self.parseMessage() - - # get sender and recipient data - signkey = self._km.get_key(from_address, OpenPGPKey, private=True) - log.msg("Will sign the message with %s." % signkey.fingerprint) - to_address = validate_address(self._user.dest.addrstr) - try: - # try to get the recipient pubkey - pubkey = self._km.get_key(to_address, OpenPGPKey) - log.msg("Will encrypt the message to %s." % pubkey.fingerprint) - signal(proto.SMTP_START_ENCRYPT_AND_SIGN, - "%s,%s" % (self._fromAddress.addrstr, to_address)) - self._encrypt_and_sign(pubkey, signkey) - signal(proto.SMTP_END_ENCRYPT_AND_SIGN, - "%s,%s" % (self._fromAddress.addrstr, to_address)) - except KeyNotFound: - # at this point we _can_ send unencrypted mail, because if the - # configuration said the opposite the address would have been - # rejected in SMTPDelivery.validateTo(). - log.msg('Will send unencrypted message to %s.' % to_address) - signal(proto.SMTP_START_SIGN, self._fromAddress.addrstr) - self._sign(signkey) - signal(proto.SMTP_END_SIGN, self._fromAddress.addrstr) - - def _fix_headers(self, origmsg, newmsg, signkey): - """ - Move some headers from C{origmsg} to C{newmsg}, delete unwanted - headers from C{origmsg} and add new headers to C{newms}. - - Outgoing messages are either encrypted and signed or just signed - before being sent. Because of that, they are packed inside new - messages and some manipulation has to be made on their headers. - - Allowed headers for passing through: - - - From - - Date - - To - - Subject - - Reply-To - - References - - In-Reply-To - - Cc - - Headers to be added: - - - Message-ID (i.e. should not use origmsg's Message-Id) - - Received (this is added automatically by twisted smtp API) - - OpenPGP (see #4447) - - Headers to be deleted: - - - User-Agent - - :param origmsg: The original message. - :type origmsg: email.message.Message - :param newmsg: The new message being created. - :type newmsg: email.message.Message - :param signkey: The key used to sign C{newmsg} - :type signkey: OpenPGPKey - """ - # move headers from origmsg to newmsg - headers = origmsg.items() - passthrough = [ - 'from', 'date', 'to', 'subject', 'reply-to', 'references', - 'in-reply-to', 'cc' - ] - headers = filter(lambda x: x[0].lower() in passthrough, headers) - for hkey, hval in headers: - newmsg.add_header(hkey, hval) - del(origmsg[hkey]) - # add a new message-id to newmsg - newmsg.add_header('Message-Id', smtp.messageid()) - # add openpgp header to newmsg - username, domain = signkey.address.split('@') - newmsg.add_header( - 'OpenPGP', 'id=%s' % signkey.key_id, - url='https://%s/key/%s' % (domain, username), - preference='signencrypt') - # delete user-agent from origmsg - del(origmsg['user-agent']) + self._lines = [] diff --git a/src/leap/mail/smtp/rfc3156.py b/src/leap/mail/smtp/rfc3156.py index 62a0675..7d7bc0f 100644 --- a/src/leap/mail/smtp/rfc3156.py +++ b/src/leap/mail/smtp/rfc3156.py @@ -19,9 +19,7 @@ Implements RFC 3156: MIME Security with OpenPGP. """ -import re import base64 -from abc import ABCMeta, abstractmethod from StringIO import StringIO from twisted.python import log diff --git a/src/leap/mail/smtp/tests/__init__.py b/src/leap/mail/smtp/tests/__init__.py index dc24293..e69de29 100644 --- a/src/leap/mail/smtp/tests/__init__.py +++ b/src/leap/mail/smtp/tests/__init__.py @@ -1,386 +0,0 @@ -# -*- coding: utf-8 -*- -# __init__.py -# Copyright (C) 2013 LEAP -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - - -""" -Base classes and keys for SMTP gateway tests. -""" - -import os -import distutils.spawn -import shutil -import tempfile -from mock import Mock - - -from twisted.trial import unittest - - -from leap.soledad.client import Soledad -from leap.keymanager import ( - KeyManager, - openpgp, -) - - -from leap.common.testing.basetest import BaseLeapTest - - -def _find_gpg(): - gpg_path = distutils.spawn.find_executable('gpg') - return os.path.realpath(gpg_path) if gpg_path is not None else "/usr/bin/gpg" - - -class TestCaseWithKeyManager(BaseLeapTest): - - GPG_BINARY_PATH = _find_gpg() - - def setUp(self): - # mimic BaseLeapTest.setUpClass behaviour, because this is deprecated - # in Twisted: http://twistedmatrix.com/trac/ticket/1870 - self.old_path = os.environ['PATH'] - self.old_home = os.environ['HOME'] - self.tempdir = tempfile.mkdtemp(prefix="leap_tests-") - self.home = self.tempdir - bin_tdir = os.path.join( - self.tempdir, - 'bin') - os.environ["PATH"] = bin_tdir - os.environ["HOME"] = self.tempdir - - # setup our own stuff - address = 'leap@leap.se' # user's address in the form user@provider - uuid = 'leap@leap.se' - passphrase = u'123' - secrets_path = os.path.join(self.tempdir, 'secret.gpg') - local_db_path = os.path.join(self.tempdir, 'soledad.u1db') - server_url = 'http://provider/' - cert_file = '' - - self._soledad = self._soledad_instance( - uuid, passphrase, secrets_path, local_db_path, server_url, - cert_file) - self._km = self._keymanager_instance(address) - - def _soledad_instance(self, uuid, passphrase, secrets_path, local_db_path, - server_url, cert_file): - """ - Return a Soledad instance for tests. - """ - # mock key fetching and storing so Soledad doesn't fail when trying to - # reach the server. - Soledad._fetch_keys_from_shared_db = Mock(return_value=None) - Soledad._assert_keys_in_shared_db = Mock(return_value=None) - - # instantiate soledad - def _put_doc_side_effect(doc): - self._doc_put = doc - - class MockSharedDB(object): - - get_doc = Mock(return_value=None) - put_doc = Mock(side_effect=_put_doc_side_effect) - lock = Mock(return_value=('atoken', 300)) - unlock = Mock(return_value=True) - - def __call__(self): - return self - - Soledad._shared_db = MockSharedDB() - - return Soledad( - uuid, - passphrase, - secrets_path=secrets_path, - local_db_path=local_db_path, - server_url=server_url, - cert_file=cert_file, - ) - - def _keymanager_instance(self, address): - """ - Return a Key Manager instance for tests. - """ - self._config = { - 'host': 'http://provider/', - 'port': 25, - 'username': address, - 'password': '<password>', - 'encrypted_only': True, - 'cert': u'src/leap/mail/smtp/tests/cert/server.crt', - 'key': u'src/leap/mail/smtp/tests/cert/server.key', - } - - class Response(object): - status_code = 200 - headers = {'content-type': 'application/json'} - - def json(self): - return {'address': ADDRESS_2, 'openpgp': PUBLIC_KEY_2} - - def raise_for_status(self): - pass - - nickserver_url = '' # the url of the nickserver - km = KeyManager(address, nickserver_url, self._soledad, - ca_cert_path='', gpgbinary=self.GPG_BINARY_PATH) - km._fetcher.put = Mock() - km._fetcher.get = Mock(return_value=Response()) - - # insert test keys in key manager. - pgp = openpgp.OpenPGPScheme( - self._soledad, gpgbinary=self.GPG_BINARY_PATH) - pgp.put_ascii_key(PRIVATE_KEY) - pgp.put_ascii_key(PRIVATE_KEY_2) - - return km - - def tearDown(self): - # mimic LeapBaseTest.tearDownClass behaviour - os.environ["PATH"] = self.old_path - os.environ["HOME"] = self.old_home - # safety check - assert 'leap_tests-' in self.tempdir - shutil.rmtree(self.tempdir) - - -# Key material for testing -KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF" - -ADDRESS = 'leap@leap.se' - -PUBLIC_KEY = """ ------BEGIN PGP PUBLIC KEY BLOCK----- -Version: GnuPG v1.4.10 (GNU/Linux) - -mQINBFC9+dkBEADNRfwV23TWEoGc/x0wWH1P7PlXt8MnC2Z1kKaKKmfnglVrpOiz 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-dP7lna32iY8/Z0SHQLNH6PXO9SlPcq2aFUgKqE75A/0FMk7CunzU1OWr2ZtTLNO1 -WT/13LfOhhuEq9jTyTosn0WxBjJKq18lnhzCXlaw6EAtbA7CUwsD3CTPR56aAXFK -3I7KXOVAqggrvMe5Tpdg5drfYpI8hZovL5aAgb+7Y5ta10TcJdUhS5K3kFAWe/td -U0cmWUMDP1UMSQ5Jg6JIQVWhSwARAQABiQIfBBgBCAAJBQJQvfnZAhsMAAoJEC9F -Xigk0Y3fRwsP/i0ElYCyxeLpWJTwo1iCLkMKz2yX1lFVa9nT1BVTPOQwr/IAc5OX -NdtbJ14fUsKL5pWgW8OmrXtwZm1y4euI1RPWWubG01ouzwnGzv26UcuHeqC5orZj -cOnKtL40y8VGMm8LoicVkRJH8blPORCnaLjdOtmA3rx/v2EXrJpSa3AhOy0ZSRXk -ZSrK68AVNwamHRoBSYyo0AtaXnkPX4+tmO8X8BPfj125IljubvwZPIW9VWR9UqCE -VPfDR1XKegVb6VStIywF7kmrknM1C5qUY28rdZYWgKorw01hBGV4jTW0cqde3N51 -XT1jnIAa+NoXUM9uQoGYMiwrL7vNsLlyyiW5ayDyV92H/rIuiqhFgbJsHTlsm7I8 -oGheR784BagAA1NIKD1qEO9T6Kz9lzlDaeWS5AUKeXrb7ZJLI1TTCIZx5/DxjLqM -Tt/RFBpVo9geZQrvLUqLAMwdaUvDXC2c6DaCPXTh65oCZj/hqzlJHH+RoTWWzKI+ -BjXxgUWF9EmZUBrg68DSmI+9wuDFsjZ51BcqvJwxyfxtTaWhdoYqH/UQS+D1FP3/ -diZHHlzwVwPICzM9ooNTgbrcDzyxRkIVqsVwBq7EtzcvgYUyX53yG25Giy6YQaQ2 -ZtQ/VymwFL3XdUWV6B/hU4PVAFvO3qlOtdJ6TpE+nEWgcWjCv5g7RjXX -=MuOY ------END PGP PUBLIC KEY BLOCK----- -""" - -PRIVATE_KEY = """ ------BEGIN PGP PRIVATE KEY BLOCK----- -Version: GnuPG v1.4.10 (GNU/Linux) - -lQcYBFC9+dkBEADNRfwV23TWEoGc/x0wWH1P7PlXt8MnC2Z1kKaKKmfnglVrpOiz -iLWoiU58sfZ0L5vHkzXHXCBf6Eiy/EtUIvdiWAn+yASJ1mk5jZTBKO/WMAHD8wTO -zpMsFmWyg3xc4DkmFa9KQ5EVU0o/nqPeyQxNMQN7px5pPwrJtJFmPxnxm+aDkPYx -irDmz/4DeDNqXliazGJKw7efqBdlwTHkl9Akw2gwy178pmsKwHHEMOBOFFvX61AT -huKqHYmlCGSliwbrJppTG7jc1/ls3itrK+CWTg4txREkSpEVmfcASvw/ZqLbjgfs -d/INMwXnR9U81O8+7LT6yw/ca4ppcFoJD7/XJbkRiML6+bJ4Dakiy6i727BzV17g -wI1zqNvm5rAhtALKfACha6YO43aJzairO4II1wxVHvRDHZn2IuKDDephQ3Ii7/vb -hUOf6XCSmchkAcpKXUOvbxm1yfB1LRa64mMc2RcZxf4mW7KQkulBsdV5QG2276lv -U2UUy2IutXcGP5nXC+f6sJJGJeEToKJ57yiO/VWJFjKN8SvP+7AYsQSqINUuEf6H -T5gCPCraGMkTUTPXrREvu7NOohU78q6zZNaL3GW8ai7eSeANSuQ8Vzffx7Wd8Y7i -Pw9sYj0SMFs1UgjbuL6pO5ueHh+qyumbtAq2K0Bci0kqOcU4E9fNtdiovQARAQAB -AA/+JHtlL39G1wsH9R6UEfUQJGXR9MiIiwZoKcnRB2o8+DS+OLjg0JOh8XehtuCs -E/8oGQKtQqa5bEIstX7IZoYmYFiUQi9LOzIblmp2vxOm+HKkxa4JszWci2/ZmC3t 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-0GY8Jr3OL69dDQ21jueJAh8EGAEIAAkFAlC9+dkCGwwACgkQL0VeKCTRjd9HCw/+ -LQSVgLLF4ulYlPCjWIIuQwrPbJfWUVVr2dPUFVM85DCv8gBzk5c121snXh9Swovm -laBbw6ate3BmbXLh64jVE9Za5sbTWi7PCcbO/bpRy4d6oLmitmNw6cq0vjTLxUYy -bwuiJxWREkfxuU85EKdouN062YDevH+/YResmlJrcCE7LRlJFeRlKsrrwBU3BqYd -GgFJjKjQC1peeQ9fj62Y7xfwE9+PXbkiWO5u/Bk8hb1VZH1SoIRU98NHVcp6BVvp -VK0jLAXuSauSczULmpRjbyt1lhaAqivDTWEEZXiNNbRyp17c3nVdPWOcgBr42hdQ -z25CgZgyLCsvu82wuXLKJblrIPJX3Yf+si6KqEWBsmwdOWybsjygaF5HvzgFqAAD -U0goPWoQ71PorP2XOUNp5ZLkBQp5etvtkksjVNMIhnHn8PGMuoxO39EUGlWj2B5l -Cu8tSosAzB1pS8NcLZzoNoI9dOHrmgJmP+GrOUkcf5GhNZbMoj4GNfGBRYX0SZlQ -GuDrwNKYj73C4MWyNnnUFyq8nDHJ/G1NpaF2hiof9RBL4PUU/f92JkceXPBXA8gL -Mz2ig1OButwPPLFGQhWqxXAGrsS3Ny+BhTJfnfIbbkaLLphBpDZm1D9XKbAUvdd1 -RZXoH+FTg9UAW87eqU610npOkT6cRaBxaMK/mDtGNdc= -=JTFu ------END PGP PRIVATE KEY BLOCK----- -""" - -ADDRESS_2 = 'anotheruser@leap.se' - -PUBLIC_KEY_2 = """ ------BEGIN PGP PUBLIC KEY BLOCK----- -Version: GnuPG v1.4.10 (GNU/Linux) - -mI0EUYwJXgEEAMbTKHuPJ5/Gk34l9Z06f+0WCXTDXdte1UBoDtZ1erAbudgC4MOR -gquKqoj3Hhw0/ILqJ88GcOJmKK/bEoIAuKaqlzDF7UAYpOsPZZYmtRfPC2pTCnXq -Z1vdeqLwTbUspqXflkCkFtfhGKMq5rH8GV5a3tXZkRWZhdNwhVXZagC3ABEBAAG0 -IWFub3RoZXJ1c2VyIDxhbm90aGVydXNlckBsZWFwLnNlPoi4BBMBAgAiBQJRjAle -AhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAAKCRB/nfpof+5XWotuA/4tLN4E -gUr7IfLy2HkHAxzw7A4rqfMN92DIM9mZrDGaWRrOn3aVF7VU1UG7MDkHfPvp/cFw -ezoCw4s4IoHVc/pVlOkcHSyt4/Rfh248tYEJmFCJXGHpkK83VIKYJAithNccJ6Q4 -JE/o06Mtf4uh/cA1HUL4a4ceqUhtpLJULLeKo7iNBFGMCV4BBADsyQI7GR0wSAxz -VayLjuPzgT+bjbFeymIhjuxKIEwnIKwYkovztW+4bbOcQs785k3Lp6RzvigTpQQt -Z/hwcLOqZbZw8t/24+D+Pq9mMP2uUvCFFqLlVvA6D3vKSQ/XNN+YB919WQ04jh63 -yuRe94WenT1RJd6xU1aaUff4rKizuQARAQABiJ8EGAECAAkFAlGMCV4CGwwACgkQ -f536aH/uV1rPZQQAqCzRysOlu8ez7PuiBD4SebgRqWlxa1TF1ujzfLmuPivROZ2X -Kw5aQstxgGSjoB7tac49s0huh4X8XK+BtJBfU84JS8Jc2satlfwoyZ35LH6sDZck -I+RS/3we6zpMfHs3vvp9xgca6ZupQxivGtxlJs294TpJorx+mFFqbV17AzQ= -=Thdu ------END PGP PUBLIC KEY BLOCK----- -""" - -PRIVATE_KEY_2 = """ ------BEGIN PGP PRIVATE KEY BLOCK----- -Version: GnuPG v1.4.10 (GNU/Linux) - -lQHYBFGMCV4BBADG0yh7jyefxpN+JfWdOn/tFgl0w13bXtVAaA7WdXqwG7nYAuDD -kYKriqqI9x4cNPyC6ifPBnDiZiiv2xKCALimqpcwxe1AGKTrD2WWJrUXzwtqUwp1 -6mdb3Xqi8E21LKal35ZApBbX4RijKuax/BleWt7V2ZEVmYXTcIVV2WoAtwARAQAB -AAP7BLuSAx7tOohnimEs74ks8l/L6dOcsFQZj2bqs4AoY3jFe7bV0tHr4llypb/8 -H3/DYvpf6DWnCjyUS1tTnXSW8JXtx01BUKaAufSmMNg9blKV6GGHlT/Whe9uVyks -7XHk/+9mebVMNJ/kNlqq2k+uWqJohzC8WWLRK+d1tBeqDsECANZmzltPaqUsGV5X -C3zszE3tUBgptV/mKnBtopKi+VH+t7K6fudGcG+bAcZDUoH/QVde52mIIjjIdLje -uajJuHUCAO1mqh+vPoGv4eBLV7iBo3XrunyGXiys4a39eomhxTy3YktQanjjx+ty -GltAGCs5PbWGO6/IRjjvd46wh53kzvsCAO0J97gsWhzLuFnkxFAJSPk7RRlyl7lI -1XS/x0Og6j9XHCyY1OYkfBm0to3UlCfkgirzCYlTYObCofzdKFIPDmSqHbQhYW5v -dGhlcnVzZXIgPGFub3RoZXJ1c2VyQGxlYXAuc2U+iLgEEwECACIFAlGMCV4CGwMG -CwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEH+d+mh/7ldai24D/i0s3gSBSvsh -8vLYeQcDHPDsDiup8w33YMgz2ZmsMZpZGs6fdpUXtVTVQbswOQd8++n9wXB7OgLD -izgigdVz+lWU6RwdLK3j9F+Hbjy1gQmYUIlcYemQrzdUgpgkCK2E1xwnpDgkT+jT -oy1/i6H9wDUdQvhrhx6pSG2kslQst4qjnQHYBFGMCV4BBADsyQI7GR0wSAxzVayL -juPzgT+bjbFeymIhjuxKIEwnIKwYkovztW+4bbOcQs785k3Lp6RzvigTpQQtZ/hw -cLOqZbZw8t/24+D+Pq9mMP2uUvCFFqLlVvA6D3vKSQ/XNN+YB919WQ04jh63yuRe -94WenT1RJd6xU1aaUff4rKizuQARAQABAAP9EyElqJ3dq3EErXwwT4mMnbd1SrVC -rUJrNWQZL59mm5oigS00uIyR0SvusOr+UzTtd8ysRuwHy5d/LAZsbjQStaOMBILx -77TJveOel0a1QK0YSMF2ywZMCKvquvjli4hAtWYz/EwfuzQN3t23jc5ny+GqmqD2 -3FUxLJosFUfLNmECAO9KhVmJi+L9dswIs+2Dkjd1eiRQzNOEVffvYkGYZyKxNiXF -UA5kvyZcB4iAN9sWCybE4WHZ9jd4myGB0MPDGxkCAP1RsXJbbuD6zS7BXe5gwunO -2q4q7ptdSl/sJYQuTe1KNP5d/uGsvlcFfsYjpsopasPjFBIncc/2QThMKlhoEaEB -/0mVAxpT6SrEvUbJ18z7kna24SgMPr3OnPMxPGfvNLJY/Xv/A17YfoqjmByCvsKE -JCDjopXtmbcrZyoEZbEht9mko4ifBBgBAgAJBQJRjAleAhsMAAoJEH+d+mh/7lda -z2UEAKgs0crDpbvHs+z7ogQ+Enm4EalpcWtUxdbo83y5rj4r0TmdlysOWkLLcYBk -o6Ae7WnOPbNIboeF/FyvgbSQX1POCUvCXNrGrZX8KMmd+Sx+rA2XJCPkUv98Hus6 -THx7N776fcYHGumbqUMYrxrcZSbNveE6SaK8fphRam1dewM0 -=a5gs ------END PGP PRIVATE KEY BLOCK----- -""" diff --git a/src/leap/mail/smtp/tests/test_gateway.py b/src/leap/mail/smtp/tests/test_gateway.py index 466677f..0b9a364 100644 --- a/src/leap/mail/smtp/tests/test_gateway.py +++ b/src/leap/mail/smtp/tests/test_gateway.py @@ -20,24 +20,24 @@ SMTP gateway tests. """ - import re from datetime import datetime + +from twisted.internet import reactor +from twisted.internet.defer import inlineCallbacks, fail, succeed, Deferred from twisted.test import proto_helpers -from twisted.mail.smtp import User, Address from mock import Mock - from leap.mail.smtp.gateway import ( - SMTPFactory, - EncryptedMessage, + SMTPFactory ) -from leap.mail.smtp.tests import ( +from leap.mail.tests import ( TestCaseWithKeyManager, ADDRESS, ADDRESS_2, ) -from leap.keymanager import openpgp +from leap.keymanager import openpgp, errors + # some regexps IP_REGEX = "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}" + \ @@ -71,20 +71,7 @@ class TestSmtpGateway(TestCaseWithKeyManager): % (string, pattern)) raise self.failureException(msg) - def test_openpgp_encrypt_decrypt(self): - "Test if openpgp can encrypt and decrypt." - text = "simple raw text" - pubkey = self._km.get_key( - ADDRESS, openpgp.OpenPGPKey, private=False) - encrypted = self._km.encrypt(text, pubkey) - self.assertNotEqual( - text, encrypted, "Ciphertext is equal to plaintext.") - privkey = self._km.get_key( - ADDRESS, openpgp.OpenPGPKey, private=True) - decrypted = self._km.decrypt(encrypted, privkey) - self.assertEqual(text, decrypted, - "Decrypted text differs from plaintext.") - + @inlineCallbacks def test_gateway_accepts_valid_email(self): """ Test if SMTP server responds correctly for valid interaction. @@ -102,223 +89,99 @@ class TestSmtpGateway(TestCaseWithKeyManager): # method... proto = SMTPFactory( u'anotheruser@leap.se', - self._km, self._config['host'], - self._config['port'], - self._config['cert'], self._config['key'], - self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0)) + self._km, + self._config['encrypted_only'], + outgoing_mail=Mock()).buildProtocol(('127.0.0.1', 0)) # snip... transport = proto_helpers.StringTransport() proto.makeConnection(transport) + reply = "" for i, line in enumerate(self.EMAIL_DATA): - proto.lineReceived(line + '\r\n') - self.assertMatch(transport.value(), - '\r\n'.join(SMTP_ANSWERS[0:i + 1]), - 'Did not get expected answer from gateway.') + reply += yield self.getReply(line + '\r\n', proto, transport) + self.assertMatch(reply, '\r\n'.join(SMTP_ANSWERS), + 'Did not get expected answer from gateway.') proto.setTimeout(None) - def test_message_encrypt(self): - """ - Test if message gets encrypted to destination email. - """ - proto = SMTPFactory( - u'anotheruser@leap.se', - self._km, self._config['host'], - self._config['port'], - self._config['cert'], self._config['key'], - self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0)) - fromAddr = Address(ADDRESS_2) - dest = User(ADDRESS, 'gateway.leap.se', proto, ADDRESS) - m = EncryptedMessage( - fromAddr, dest, self._km, self._config['host'], - self._config['port'], self._config['cert'], self._config['key']) - for line in self.EMAIL_DATA[4:12]: - m.lineReceived(line) - # m.eomReceived() # this includes a defer, so we avoid calling it here - m.lines.append('') # add a trailing newline - # we need to call the following explicitelly because it was deferred - # inside the previous method - m._maybe_encrypt_and_sign() - # assert structure of encrypted message - self.assertTrue('Content-Type' in m._msg) - self.assertEqual('multipart/encrypted', m._msg.get_content_type()) - self.assertEqual('application/pgp-encrypted', - m._msg.get_param('protocol')) - self.assertEqual(2, len(m._msg.get_payload())) - self.assertEqual('application/pgp-encrypted', - m._msg.get_payload(0).get_content_type()) - self.assertEqual('application/octet-stream', - m._msg.get_payload(1).get_content_type()) - privkey = self._km.get_key( - ADDRESS, openpgp.OpenPGPKey, private=True) - decrypted = self._km.decrypt( - m._msg.get_payload(1).get_payload(), privkey) - self.assertEqual( - '\n' + '\r\n'.join(self.EMAIL_DATA[9:12]) + '\r\n\r\n--\r\n' + - 'I prefer encrypted email - https://leap.se/key/anotheruser\r\n', - decrypted, - 'Decrypted text differs from plaintext.') - - def test_message_encrypt_sign(self): - """ - Test if message gets encrypted to destination email and signed with - sender key. - """ - proto = SMTPFactory( - u'anotheruser@leap.se', - self._km, self._config['host'], - self._config['port'], - self._config['cert'], self._config['key'], - self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0)) - user = User(ADDRESS, 'gateway.leap.se', proto, ADDRESS) - fromAddr = Address(ADDRESS_2) - m = EncryptedMessage( - fromAddr, user, self._km, self._config['host'], - self._config['port'], self._config['cert'], self._config['key']) - for line in self.EMAIL_DATA[4:12]: - m.lineReceived(line) - # trigger encryption and signing - # m.eomReceived() # this includes a defer, so we avoid calling it here - m.lines.append('') # add a trailing newline - # we need to call the following explicitelly because it was deferred - # inside the previous method - m._maybe_encrypt_and_sign() - # assert structure of encrypted message - self.assertTrue('Content-Type' in m._msg) - self.assertEqual('multipart/encrypted', m._msg.get_content_type()) - self.assertEqual('application/pgp-encrypted', - m._msg.get_param('protocol')) - self.assertEqual(2, len(m._msg.get_payload())) - self.assertEqual('application/pgp-encrypted', - m._msg.get_payload(0).get_content_type()) - self.assertEqual('application/octet-stream', - m._msg.get_payload(1).get_content_type()) - # decrypt and verify - privkey = self._km.get_key( - ADDRESS, openpgp.OpenPGPKey, private=True) - pubkey = self._km.get_key(ADDRESS_2, openpgp.OpenPGPKey) - decrypted = self._km.decrypt( - m._msg.get_payload(1).get_payload(), privkey, verify=pubkey) - self.assertEqual( - '\n' + '\r\n'.join(self.EMAIL_DATA[9:12]) + '\r\n\r\n--\r\n' + - 'I prefer encrypted email - https://leap.se/key/anotheruser\r\n', - decrypted, - 'Decrypted text differs from plaintext.') - - def test_message_sign(self): - """ - Test if message is signed with sender key. - """ - # mock the key fetching - self._km.fetch_keys_from_server = Mock(return_value=[]) - proto = SMTPFactory( - u'anotheruser@leap.se', - self._km, self._config['host'], - self._config['port'], - self._config['cert'], self._config['key'], - self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0)) - user = User('ihavenopubkey@nonleap.se', - 'gateway.leap.se', proto, ADDRESS) - fromAddr = Address(ADDRESS_2) - m = EncryptedMessage( - fromAddr, user, self._km, self._config['host'], - self._config['port'], self._config['cert'], self._config['key']) - for line in self.EMAIL_DATA[4:12]: - m.lineReceived(line) - # trigger signing - # m.eomReceived() # this includes a defer, so we avoid calling it here - m.lines.append('') # add a trailing newline - # we need to call the following explicitelly because it was deferred - # inside the previous method - m._maybe_encrypt_and_sign() - # assert structure of signed message - self.assertTrue('Content-Type' in m._msg) - self.assertEqual('multipart/signed', m._msg.get_content_type()) - self.assertEqual('application/pgp-signature', - m._msg.get_param('protocol')) - self.assertEqual('pgp-sha512', m._msg.get_param('micalg')) - # assert content of message - self.assertEqual( - '\r\n'.join(self.EMAIL_DATA[9:13]) + '\r\n--\r\n' + - 'I prefer encrypted email - https://leap.se/key/anotheruser\r\n', - m._msg.get_payload(0).get_payload(decode=True)) - # assert content of signature - self.assertTrue( - m._msg.get_payload(1).get_payload().startswith( - '-----BEGIN PGP SIGNATURE-----\n'), - 'Message does not start with signature header.') - self.assertTrue( - m._msg.get_payload(1).get_payload().endswith( - '-----END PGP SIGNATURE-----\n'), - 'Message does not end with signature footer.') - # assert signature is valid - pubkey = self._km.get_key(ADDRESS_2, openpgp.OpenPGPKey) - # replace EOL before verifying (according to rfc3156) - signed_text = re.sub('\r?\n', '\r\n', - m._msg.get_payload(0).as_string()) - self.assertTrue( - self._km.verify(signed_text, - pubkey, - detached_sig=m._msg.get_payload(1).get_payload()), - 'Signature could not be verified.') - + @inlineCallbacks def test_missing_key_rejects_address(self): """ Test if server rejects to send unencrypted when 'encrypted_only' is True. """ # remove key from key manager - pubkey = self._km.get_key(ADDRESS, openpgp.OpenPGPKey) + pubkey = yield self._km.get_key(ADDRESS, openpgp.OpenPGPKey) pgp = openpgp.OpenPGPScheme( self._soledad, gpgbinary=self.GPG_BINARY_PATH) - pgp.delete_key(pubkey) + yield pgp.delete_key(pubkey) # mock the key fetching - self._km.fetch_keys_from_server = Mock(return_value=[]) + self._km._fetch_keys_from_server = Mock( + return_value=fail(errors.KeyNotFound())) # prepare the SMTP factory proto = SMTPFactory( u'anotheruser@leap.se', - self._km, self._config['host'], - self._config['port'], - self._config['cert'], self._config['key'], - self._config['encrypted_only']).buildProtocol(('127.0.0.1', 0)) + self._km, + self._config['encrypted_only'], + outgoing_mail=Mock()).buildProtocol(('127.0.0.1', 0)) transport = proto_helpers.StringTransport() proto.makeConnection(transport) - proto.lineReceived(self.EMAIL_DATA[0] + '\r\n') - proto.lineReceived(self.EMAIL_DATA[1] + '\r\n') - proto.lineReceived(self.EMAIL_DATA[2] + '\r\n') + yield self.getReply(self.EMAIL_DATA[0] + '\r\n', proto, transport) + yield self.getReply(self.EMAIL_DATA[1] + '\r\n', proto, transport) + reply = yield self.getReply(self.EMAIL_DATA[2] + '\r\n', + proto, transport) # ensure the address was rejected - lines = transport.value().rstrip().split('\n') self.assertEqual( - '550 Cannot receive for specified address', - lines[-1], + '550 Cannot receive for specified address\r\n', + reply, 'Address should have been rejecetd with appropriate message.') + proto.setTimeout(None) + @inlineCallbacks def test_missing_key_accepts_address(self): """ Test if server accepts to send unencrypted when 'encrypted_only' is False. """ # remove key from key manager - pubkey = self._km.get_key(ADDRESS, openpgp.OpenPGPKey) + pubkey = yield self._km.get_key(ADDRESS, openpgp.OpenPGPKey) pgp = openpgp.OpenPGPScheme( self._soledad, gpgbinary=self.GPG_BINARY_PATH) - pgp.delete_key(pubkey) + yield pgp.delete_key(pubkey) # mock the key fetching - self._km.fetch_keys_from_server = Mock(return_value=[]) + self._km._fetch_keys_from_server = Mock( + return_value=fail(errors.KeyNotFound())) # prepare the SMTP factory with encrypted only equal to false proto = SMTPFactory( u'anotheruser@leap.se', - self._km, self._config['host'], - self._config['port'], - self._config['cert'], self._config['key'], - False).buildProtocol(('127.0.0.1', 0)) + self._km, + False, outgoing_mail=Mock()).buildProtocol(('127.0.0.1', 0)) transport = proto_helpers.StringTransport() proto.makeConnection(transport) - proto.lineReceived(self.EMAIL_DATA[0] + '\r\n') - proto.lineReceived(self.EMAIL_DATA[1] + '\r\n') - proto.lineReceived(self.EMAIL_DATA[2] + '\r\n') + yield self.getReply(self.EMAIL_DATA[0] + '\r\n', proto, transport) + yield self.getReply(self.EMAIL_DATA[1] + '\r\n', proto, transport) + reply = yield self.getReply(self.EMAIL_DATA[2] + '\r\n', + proto, transport) # ensure the address was accepted - lines = transport.value().rstrip().split('\n') self.assertEqual( - '250 Recipient address accepted', - lines[-1], + '250 Recipient address accepted\r\n', + reply, 'Address should have been accepted with appropriate message.') + proto.setTimeout(None) + + def getReply(self, line, proto, transport): + proto.lineReceived(line) + + if line[:4] not in ['HELO', 'MAIL', 'RCPT', 'DATA']: + return succeed("") + + def check_transport(_): + reply = transport.value() + if reply: + transport.clear() + return succeed(reply) + + d = Deferred() + d.addCallback(check_transport) + reactor.callLater(0, lambda: d.callback(None)) + return d + + return check_transport(None) diff --git a/src/leap/mail/sync_hooks.py b/src/leap/mail/sync_hooks.py new file mode 100644 index 0000000..8efbb7c --- /dev/null +++ b/src/leap/mail/sync_hooks.py @@ -0,0 +1,120 @@ +# -*- coding: utf-8 -*- +# sync_hooks.py +# Copyright (C) 2015 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Soledad PostSync Hooks. + +Process every new document of interest after every soledad synchronization, +using the hooks that soledad exposes via plugins. +""" +import logging + +from re import compile as regex_compile + +from zope.interface import implements +from twisted.internet import defer +from twisted.plugin import IPlugin +from twisted.python import log + +from leap.soledad.client.interfaces import ISoledadPostSyncPlugin +from leap.mail import constants + +logger = logging.getLogger(__name__) + + +def _get_doc_type_preffix(s): + return s[:2] + + +class MailProcessingPostSyncHook(object): + implements(IPlugin, ISoledadPostSyncPlugin) + + META_DOC_PREFFIX = _get_doc_type_preffix(constants.METAMSGID) + watched_doc_types = (META_DOC_PREFFIX, ) + + _account = None + _pending_docs = [] + _processing_deferreds = [] + + def process_received_docs(self, doc_id_list): + if self._has_configured_account(): + process_fun = self._make_uid_index + else: + self._processing_deferreds = [] + process_fun = self._queue_doc_id + + for doc_id in doc_id_list: + if _get_doc_type_preffix(doc_id) in self.watched_doc_types: + log.msg("Mail post-sync hook: processing %s" % doc_id) + process_fun(doc_id) + + return defer.gatherResults(self._processing_deferreds) + + def set_account(self, account): + self._account = account + if account: + self._process_queued_docs() + + def _has_configured_account(self): + return self._account is not None + + def _queue_doc_id(self, doc_id): + self._pending_docs.append(doc_id) + + def _make_uid_index(self, mdoc_id): + indexer = self._account.mbox_indexer + mbox_uuid = _get_mbox_uuid(mdoc_id) + if mbox_uuid: + chash = _get_chash_from_mdoc(mdoc_id) + logger.debug("Making index table for %s:%s" % (mbox_uuid, chash)) + index_docid = constants.METAMSGID.format( + mbox_uuid=mbox_uuid.replace('-', '_'), + chash=chash) + # XXX could avoid creating table if I track which ones I already + # have seen -- but make sure *it's already created* before + # inserting the index entry!. + d = indexer.create_table(mbox_uuid) + d.addBoth(lambda _: indexer.insert_doc(mbox_uuid, index_docid)) + self._processing_deferreds.append(d) + + def _process_queued_docs(self): + assert(self._has_configured_account()) + pending = self._pending_docs + log.msg("Mail post-sync hook: processing queued docs") + + def remove_pending_docs(res): + self._pending_docs = [] + return res + + d = self.process_received_docs(pending) + d.addCallback(remove_pending_docs) + return d + + +_mbox_uuid_regex = regex_compile(constants.METAMSGID_MBOX_RE) +_mdoc_chash_regex = regex_compile(constants.METAMSGID_CHASH_RE) + + +def _get_mbox_uuid(doc_id): + matches = _mbox_uuid_regex.findall(doc_id) + if matches: + return matches[0].replace('_', '-') + + +def _get_chash_from_mdoc(doc_id): + matches = _mdoc_chash_regex.findall(doc_id) + if matches: + return matches[0] diff --git a/src/leap/mail/tests/__init__.py b/src/leap/mail/tests/__init__.py new file mode 100644 index 0000000..de0088f --- /dev/null +++ b/src/leap/mail/tests/__init__.py @@ -0,0 +1,331 @@ +# -*- coding: utf-8 -*- +# __init__.py +# Copyright (C) 2013 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Base classes and keys for leap.mail tests. +""" +import os +import distutils.spawn +from mock import Mock +from twisted.internet.defer import gatherResults +from twisted.trial import unittest + + +from leap.soledad.client import Soledad +from leap.keymanager import KeyManager +from leap.keymanager.openpgp import OpenPGPKey + + +from leap.common.testing.basetest import BaseLeapTest + + +def _find_gpg(): + gpg_path = distutils.spawn.find_executable('gpg') + return (os.path.realpath(gpg_path) + if gpg_path is not None else "/usr/bin/gpg") + + +class TestCaseWithKeyManager(unittest.TestCase, BaseLeapTest): + + GPG_BINARY_PATH = _find_gpg() + + def setUp(self): + self.setUpEnv() + + # setup our own stuff + address = 'leap@leap.se' # user's address in the form user@provider + uuid = 'leap@leap.se' + passphrase = u'123' + secrets_path = os.path.join(self.tempdir, 'secret.gpg') + local_db_path = os.path.join(self.tempdir, 'soledad.u1db') + server_url = 'http://provider/' + cert_file = '' + + self._soledad = Soledad( + uuid, + passphrase, + secrets_path=secrets_path, + local_db_path=local_db_path, + server_url=server_url, + cert_file=cert_file, + syncable=False + ) + return self._setup_keymanager(address) + + def _setup_keymanager(self, address): + """ + Set up Key Manager and return a Deferred that will be fired when done. + """ + self._config = { + 'host': 'https://provider/', + 'port': 25, + 'username': address, + 'password': '<password>', + 'encrypted_only': True, + 'cert': u'src/leap/mail/smtp/tests/cert/server.crt', + 'key': u'src/leap/mail/smtp/tests/cert/server.key', + } + + class Response(object): + status_code = 200 + headers = {'content-type': 'application/json'} + + def json(self): + return {'address': ADDRESS_2, 'openpgp': PUBLIC_KEY_2} + + def raise_for_status(self): + pass + + nickserver_url = '' # the url of the nickserver + self._km = KeyManager(address, nickserver_url, self._soledad, + ca_cert_path='', gpgbinary=self.GPG_BINARY_PATH) + self._km._fetcher.put = Mock() + self._km._fetcher.get = Mock(return_value=Response()) + + d1 = self._km.put_raw_key(PRIVATE_KEY, OpenPGPKey, ADDRESS) + d2 = self._km.put_raw_key(PRIVATE_KEY_2, OpenPGPKey, ADDRESS_2) + return gatherResults([d1, d2]) + + def tearDown(self): + self.tearDownEnv() + + +# Key material for testing +KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF" + +ADDRESS = 'leap@leap.se' + +PUBLIC_KEY = """ +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: GnuPG v1.4.10 (GNU/Linux) + +mQINBFC9+dkBEADNRfwV23TWEoGc/x0wWH1P7PlXt8MnC2Z1kKaKKmfnglVrpOiz +iLWoiU58sfZ0L5vHkzXHXCBf6Eiy/EtUIvdiWAn+yASJ1mk5jZTBKO/WMAHD8wTO +zpMsFmWyg3xc4DkmFa9KQ5EVU0o/nqPeyQxNMQN7px5pPwrJtJFmPxnxm+aDkPYx +irDmz/4DeDNqXliazGJKw7efqBdlwTHkl9Akw2gwy178pmsKwHHEMOBOFFvX61AT +huKqHYmlCGSliwbrJppTG7jc1/ls3itrK+CWTg4txREkSpEVmfcASvw/ZqLbjgfs +d/INMwXnR9U81O8+7LT6yw/ca4ppcFoJD7/XJbkRiML6+bJ4Dakiy6i727BzV17g +wI1zqNvm5rAhtALKfACha6YO43aJzairO4II1wxVHvRDHZn2IuKDDephQ3Ii7/vb +hUOf6XCSmchkAcpKXUOvbxm1yfB1LRa64mMc2RcZxf4mW7KQkulBsdV5QG2276lv +U2UUy2IutXcGP5nXC+f6sJJGJeEToKJ57yiO/VWJFjKN8SvP+7AYsQSqINUuEf6H +T5gCPCraGMkTUTPXrREvu7NOohU78q6zZNaL3GW8ai7eSeANSuQ8Vzffx7Wd8Y7i +Pw9sYj0SMFs1UgjbuL6pO5ueHh+qyumbtAq2K0Bci0kqOcU4E9fNtdiovQARAQAB +tBxMZWFwIFRlc3QgS2V5IDxsZWFwQGxlYXAuc2U+iQI3BBMBCAAhBQJQvfnZAhsD +BQsJCAcDBRUKCQgLBRYCAwEAAh4BAheAAAoJEC9FXigk0Y3fT7EQAKH3IuRniOpb +T/DDIgwwjz3oxB/W0DDMyPXowlhSOuM0rgGfntBpBb3boezEXwL86NPQxNGGruF5 +hkmecSiuPSvOmQlqlS95NGQp6hNG0YaKColh+Q5NTspFXCAkFch9oqUje0LdxfSP +QfV9UpeEvGyPmk1I9EJV/YDmZ4+Djge1d7qhVZInz4Rx1NrSyF/Tc2EC0VpjQFsU +Y9Kb2YBBR7ivG6DBc8ty0jJXi7B4WjkFcUEJviQpMF2dCLdonCehYs1PqsN1N7j+ +eFjQd+hqVMJgYuSGKjvuAEfClM6MQw7+FmFwMyLgK/Ew/DttHEDCri77SPSkOGSI +txCzhTg6798f6mJr7WcXmHX1w1Vcib5FfZ8vTDFVhz/XgAgArdhPo9V6/1dgSSiB +KPQ/spsco6u5imdOhckERE0lnAYvVT6KE81TKuhF/b23u7x+Wdew6kK0EQhYA7wy +7LmlaNXc7rMBQJ9Z60CJ4JDtatBWZ0kNrt2VfdDHVdqBTOpl0CraNUjWE5YMDasr +K2dF5IX8D3uuYtpZnxqg0KzyLg0tzL0tvOL1C2iudgZUISZNPKbS0z0v+afuAAnx +2pTC3uezbh2Jt8SWTLhll4i0P4Ps5kZ6HQUO56O+/Z1cWovX+mQekYFmERySDR9n +3k1uAwLilJmRmepGmvYbB8HloV8HqwgguQINBFC9+dkBEAC0I/xn1uborMgDvBtf +H0sEhwnXBC849/32zic6udB6/3Efk9nzbSpL3FSOuXITZsZgCHPkKarnoQ2ztMcS +sh1ke1C5gQGms75UVmM/nS+2YI4vY8OX/GC/on2vUyncqdH+bR6xH5hx4NbWpfTs +iQHmz5C6zzS/kuabGdZyKRaZHt23WQ7JX/4zpjqbC99DjHcP9BSk7tJ8wI4bkMYD +uFVQdT9O6HwyKGYwUU4sAQRAj7XCTGvVbT0dpgJwH4RmrEtJoHAx4Whg8mJ710E0 +GCmzf2jqkNuOw76ivgk27Kge+Hw00jmJjQhHY0yVbiaoJwcRrPKzaSjEVNgrpgP3 +lXPRGQArgESsIOTeVVHQ8fhK2YtTeCY9rIiO+L0OX2xo9HK7hfHZZWL6rqymXdyS +fhzh/f6IPyHFWnvj7Brl7DR8heMikygcJqv+ed2yx7iLyCUJ10g12I48+aEj1aLe +dP7lna32iY8/Z0SHQLNH6PXO9SlPcq2aFUgKqE75A/0FMk7CunzU1OWr2ZtTLNO1 +WT/13LfOhhuEq9jTyTosn0WxBjJKq18lnhzCXlaw6EAtbA7CUwsD3CTPR56aAXFK +3I7KXOVAqggrvMe5Tpdg5drfYpI8hZovL5aAgb+7Y5ta10TcJdUhS5K3kFAWe/td +U0cmWUMDP1UMSQ5Jg6JIQVWhSwARAQABiQIfBBgBCAAJBQJQvfnZAhsMAAoJEC9F +Xigk0Y3fRwsP/i0ElYCyxeLpWJTwo1iCLkMKz2yX1lFVa9nT1BVTPOQwr/IAc5OX +NdtbJ14fUsKL5pWgW8OmrXtwZm1y4euI1RPWWubG01ouzwnGzv26UcuHeqC5orZj +cOnKtL40y8VGMm8LoicVkRJH8blPORCnaLjdOtmA3rx/v2EXrJpSa3AhOy0ZSRXk +ZSrK68AVNwamHRoBSYyo0AtaXnkPX4+tmO8X8BPfj125IljubvwZPIW9VWR9UqCE +VPfDR1XKegVb6VStIywF7kmrknM1C5qUY28rdZYWgKorw01hBGV4jTW0cqde3N51 +XT1jnIAa+NoXUM9uQoGYMiwrL7vNsLlyyiW5ayDyV92H/rIuiqhFgbJsHTlsm7I8 +oGheR784BagAA1NIKD1qEO9T6Kz9lzlDaeWS5AUKeXrb7ZJLI1TTCIZx5/DxjLqM +Tt/RFBpVo9geZQrvLUqLAMwdaUvDXC2c6DaCPXTh65oCZj/hqzlJHH+RoTWWzKI+ +BjXxgUWF9EmZUBrg68DSmI+9wuDFsjZ51BcqvJwxyfxtTaWhdoYqH/UQS+D1FP3/ +diZHHlzwVwPICzM9ooNTgbrcDzyxRkIVqsVwBq7EtzcvgYUyX53yG25Giy6YQaQ2 +ZtQ/VymwFL3XdUWV6B/hU4PVAFvO3qlOtdJ6TpE+nEWgcWjCv5g7RjXX +=MuOY +-----END PGP PUBLIC KEY BLOCK----- +""" + +PRIVATE_KEY = """ +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.10 (GNU/Linux) + +lQcYBFC9+dkBEADNRfwV23TWEoGc/x0wWH1P7PlXt8MnC2Z1kKaKKmfnglVrpOiz +iLWoiU58sfZ0L5vHkzXHXCBf6Eiy/EtUIvdiWAn+yASJ1mk5jZTBKO/WMAHD8wTO +zpMsFmWyg3xc4DkmFa9KQ5EVU0o/nqPeyQxNMQN7px5pPwrJtJFmPxnxm+aDkPYx 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+H6lKudv5YOxPnAzqZS5HbpZd/nRTMZh2rdXCr5m2YOuewyYjvM757AkmUpM09zJX +MQ1S67/UX2y8/74TcRF97Ncx9HeELs92innBRXoFitnNguvcO6Esx4BTe1OdU6qR +ER3zAmVf22Le9ciXbu24DN4mleOH+OmBx7X2PqJSYW9GAMTsRB081R6EWKH7romQ +waxFrZ4DJzZ9ltyosEJn5F32StyLrFxpcrdLUoEaclZCv2qka7sZvi0EvovDVEBU +e10jOx9AOwf8Gj2ufhquQ6qgVYCzbP+YrodtkFrXRS3IsljIchj1M2ffB/0bfoUs +rtER9pLvYzCjBPg8IfGLw0o754Qbhh/ReplCRTusP/fQMybvCvfxreS3oyEriu/G +GufRomjewZ8EMHDIgUsLcYo2UHZsfF7tcazgxMGmMvazp4r8vpgrvW/8fIN/6Adu +tF+WjWDTvJLFJCe6O+BFJOWrssNrrra1zGtLC1s8s+Wfpe+bGPL5zpHeebGTwH1U +22eqgJArlEKxrfarz7W5+uHZJHSjF/K9ZvunLGD0n9GOPMpji3UO3zeM8IYoWn7E +/EWK1XbjnssNemeeTZ+sDh+qrD7BOi+vCX1IyBxbfqnQfJZvmcPWpruy1UsO+aIC +0GY8Jr3OL69dDQ21jueJAh8EGAEIAAkFAlC9+dkCGwwACgkQL0VeKCTRjd9HCw/+ +LQSVgLLF4ulYlPCjWIIuQwrPbJfWUVVr2dPUFVM85DCv8gBzk5c121snXh9Swovm +laBbw6ate3BmbXLh64jVE9Za5sbTWi7PCcbO/bpRy4d6oLmitmNw6cq0vjTLxUYy +bwuiJxWREkfxuU85EKdouN062YDevH+/YResmlJrcCE7LRlJFeRlKsrrwBU3BqYd +GgFJjKjQC1peeQ9fj62Y7xfwE9+PXbkiWO5u/Bk8hb1VZH1SoIRU98NHVcp6BVvp +VK0jLAXuSauSczULmpRjbyt1lhaAqivDTWEEZXiNNbRyp17c3nVdPWOcgBr42hdQ +z25CgZgyLCsvu82wuXLKJblrIPJX3Yf+si6KqEWBsmwdOWybsjygaF5HvzgFqAAD +U0goPWoQ71PorP2XOUNp5ZLkBQp5etvtkksjVNMIhnHn8PGMuoxO39EUGlWj2B5l +Cu8tSosAzB1pS8NcLZzoNoI9dOHrmgJmP+GrOUkcf5GhNZbMoj4GNfGBRYX0SZlQ +GuDrwNKYj73C4MWyNnnUFyq8nDHJ/G1NpaF2hiof9RBL4PUU/f92JkceXPBXA8gL +Mz2ig1OButwPPLFGQhWqxXAGrsS3Ny+BhTJfnfIbbkaLLphBpDZm1D9XKbAUvdd1 +RZXoH+FTg9UAW87eqU610npOkT6cRaBxaMK/mDtGNdc= +=JTFu +-----END PGP PRIVATE KEY BLOCK----- +""" + +ADDRESS_2 = 'anotheruser@leap.se' + +PUBLIC_KEY_2 = """ +-----BEGIN PGP PUBLIC KEY BLOCK----- +Version: GnuPG v1.4.10 (GNU/Linux) + +mI0EUYwJXgEEAMbTKHuPJ5/Gk34l9Z06f+0WCXTDXdte1UBoDtZ1erAbudgC4MOR +gquKqoj3Hhw0/ILqJ88GcOJmKK/bEoIAuKaqlzDF7UAYpOsPZZYmtRfPC2pTCnXq +Z1vdeqLwTbUspqXflkCkFtfhGKMq5rH8GV5a3tXZkRWZhdNwhVXZagC3ABEBAAG0 +IWFub3RoZXJ1c2VyIDxhbm90aGVydXNlckBsZWFwLnNlPoi4BBMBAgAiBQJRjAle +AhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAAKCRB/nfpof+5XWotuA/4tLN4E +gUr7IfLy2HkHAxzw7A4rqfMN92DIM9mZrDGaWRrOn3aVF7VU1UG7MDkHfPvp/cFw +ezoCw4s4IoHVc/pVlOkcHSyt4/Rfh248tYEJmFCJXGHpkK83VIKYJAithNccJ6Q4 +JE/o06Mtf4uh/cA1HUL4a4ceqUhtpLJULLeKo7iNBFGMCV4BBADsyQI7GR0wSAxz +VayLjuPzgT+bjbFeymIhjuxKIEwnIKwYkovztW+4bbOcQs785k3Lp6RzvigTpQQt +Z/hwcLOqZbZw8t/24+D+Pq9mMP2uUvCFFqLlVvA6D3vKSQ/XNN+YB919WQ04jh63 +yuRe94WenT1RJd6xU1aaUff4rKizuQARAQABiJ8EGAECAAkFAlGMCV4CGwwACgkQ +f536aH/uV1rPZQQAqCzRysOlu8ez7PuiBD4SebgRqWlxa1TF1ujzfLmuPivROZ2X +Kw5aQstxgGSjoB7tac49s0huh4X8XK+BtJBfU84JS8Jc2satlfwoyZ35LH6sDZck +I+RS/3we6zpMfHs3vvp9xgca6ZupQxivGtxlJs294TpJorx+mFFqbV17AzQ= +=Thdu +-----END PGP PUBLIC KEY BLOCK----- +""" + +PRIVATE_KEY_2 = """ +-----BEGIN PGP PRIVATE KEY BLOCK----- +Version: GnuPG v1.4.10 (GNU/Linux) + +lQHYBFGMCV4BBADG0yh7jyefxpN+JfWdOn/tFgl0w13bXtVAaA7WdXqwG7nYAuDD +kYKriqqI9x4cNPyC6ifPBnDiZiiv2xKCALimqpcwxe1AGKTrD2WWJrUXzwtqUwp1 +6mdb3Xqi8E21LKal35ZApBbX4RijKuax/BleWt7V2ZEVmYXTcIVV2WoAtwARAQAB +AAP7BLuSAx7tOohnimEs74ks8l/L6dOcsFQZj2bqs4AoY3jFe7bV0tHr4llypb/8 +H3/DYvpf6DWnCjyUS1tTnXSW8JXtx01BUKaAufSmMNg9blKV6GGHlT/Whe9uVyks +7XHk/+9mebVMNJ/kNlqq2k+uWqJohzC8WWLRK+d1tBeqDsECANZmzltPaqUsGV5X +C3zszE3tUBgptV/mKnBtopKi+VH+t7K6fudGcG+bAcZDUoH/QVde52mIIjjIdLje +uajJuHUCAO1mqh+vPoGv4eBLV7iBo3XrunyGXiys4a39eomhxTy3YktQanjjx+ty +GltAGCs5PbWGO6/IRjjvd46wh53kzvsCAO0J97gsWhzLuFnkxFAJSPk7RRlyl7lI +1XS/x0Og6j9XHCyY1OYkfBm0to3UlCfkgirzCYlTYObCofzdKFIPDmSqHbQhYW5v +dGhlcnVzZXIgPGFub3RoZXJ1c2VyQGxlYXAuc2U+iLgEEwECACIFAlGMCV4CGwMG +CwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEH+d+mh/7ldai24D/i0s3gSBSvsh +8vLYeQcDHPDsDiup8w33YMgz2ZmsMZpZGs6fdpUXtVTVQbswOQd8++n9wXB7OgLD +izgigdVz+lWU6RwdLK3j9F+Hbjy1gQmYUIlcYemQrzdUgpgkCK2E1xwnpDgkT+jT +oy1/i6H9wDUdQvhrhx6pSG2kslQst4qjnQHYBFGMCV4BBADsyQI7GR0wSAxzVayL +juPzgT+bjbFeymIhjuxKIEwnIKwYkovztW+4bbOcQs785k3Lp6RzvigTpQQtZ/hw +cLOqZbZw8t/24+D+Pq9mMP2uUvCFFqLlVvA6D3vKSQ/XNN+YB919WQ04jh63yuRe +94WenT1RJd6xU1aaUff4rKizuQARAQABAAP9EyElqJ3dq3EErXwwT4mMnbd1SrVC +rUJrNWQZL59mm5oigS00uIyR0SvusOr+UzTtd8ysRuwHy5d/LAZsbjQStaOMBILx +77TJveOel0a1QK0YSMF2ywZMCKvquvjli4hAtWYz/EwfuzQN3t23jc5ny+GqmqD2 +3FUxLJosFUfLNmECAO9KhVmJi+L9dswIs+2Dkjd1eiRQzNOEVffvYkGYZyKxNiXF +UA5kvyZcB4iAN9sWCybE4WHZ9jd4myGB0MPDGxkCAP1RsXJbbuD6zS7BXe5gwunO +2q4q7ptdSl/sJYQuTe1KNP5d/uGsvlcFfsYjpsopasPjFBIncc/2QThMKlhoEaEB +/0mVAxpT6SrEvUbJ18z7kna24SgMPr3OnPMxPGfvNLJY/Xv/A17YfoqjmByCvsKE +JCDjopXtmbcrZyoEZbEht9mko4ifBBgBAgAJBQJRjAleAhsMAAoJEH+d+mh/7lda +z2UEAKgs0crDpbvHs+z7ogQ+Enm4EalpcWtUxdbo83y5rj4r0TmdlysOWkLLcYBk +o6Ae7WnOPbNIboeF/FyvgbSQX1POCUvCXNrGrZX8KMmd+Sx+rA2XJCPkUv98Hus6 +THx7N776fcYHGumbqUMYrxrcZSbNveE6SaK8fphRam1dewM0 +=a5gs +-----END PGP PRIVATE KEY BLOCK----- +""" diff --git a/src/leap/mail/tests/common.py b/src/leap/mail/tests/common.py new file mode 100644 index 0000000..6ef5d17 --- /dev/null +++ b/src/leap/mail/tests/common.py @@ -0,0 +1,99 @@ +# -*- coding: utf-8 -*- +# common.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Common utilities for testing Soledad. +""" +import os +import shutil +import tempfile + +from twisted.internet import defer +from twisted.trial import unittest + +from leap.common.testing.basetest import BaseLeapTest +from leap.soledad.client import Soledad + +# TODO move to common module, or Soledad itself +# XXX remove duplication + +TEST_USER = "testuser@leap.se" +TEST_PASSWD = "1234" + + +def _initialize_soledad(email, gnupg_home, tempdir): + """ + Initializes soledad by hand + + :param email: ID for the user + :param gnupg_home: path to home used by gnupg + :param tempdir: path to temporal dir + :rtype: Soledad instance + """ + + uuid = "foobar-uuid" + passphrase = u"verysecretpassphrase" + secret_path = os.path.join(tempdir, "secret.gpg") + local_db_path = os.path.join(tempdir, "soledad.u1db") + server_url = "https://provider" + cert_file = "" + + soledad = Soledad( + uuid, + passphrase, + secret_path, + local_db_path, + server_url, + cert_file, + syncable=False) + + return soledad + + +class SoledadTestMixin(unittest.TestCase, BaseLeapTest): + """ + It is **VERY** important that this base is added *AFTER* unittest.TestCase + """ + + def setUp(self): + self.results = [] + + self.setUpEnv() + + # Soledad: config info + self.gnupg_home = "%s/gnupg" % self.tempdir + self.email = 'leap@leap.se' + + # initialize soledad by hand so we can control keys + self._soledad = _initialize_soledad( + self.email, + self.gnupg_home, + self.tempdir) + + return defer.succeed(True) + + def tearDown(self): + """ + tearDown method called after each test. + """ + self.results = [] + try: + self._soledad.close() + except Exception: + print "ERROR WHILE CLOSING SOLEDAD" + # logging.exception(exc) + finally: + self.tearDownEnv() diff --git a/src/leap/mail/tests/rfc822.message b/src/leap/mail/tests/rfc822.message new file mode 100644 index 0000000..ee97ab9 --- /dev/null +++ b/src/leap/mail/tests/rfc822.message @@ -0,0 +1,86 @@ +Return-Path: <twisted-commits-admin@twistedmatrix.com> +Delivered-To: exarkun@meson.dyndns.org +Received: from localhost [127.0.0.1] + by localhost with POP3 (fetchmail-6.2.1) + for exarkun@localhost (single-drop); Thu, 20 Mar 2003 14:50:20 -0500 (EST) +Received: from pyramid.twistedmatrix.com (adsl-64-123-27-105.dsl.austtx.swbell.net [64.123.27.105]) + by intarweb.us (Postfix) with ESMTP id 4A4A513EA4 + for <exarkun@meson.dyndns.org>; Thu, 20 Mar 2003 14:49:27 -0500 (EST) +Received: from localhost ([127.0.0.1] helo=pyramid.twistedmatrix.com) + by pyramid.twistedmatrix.com with esmtp (Exim 3.35 #1 (Debian)) + id 18w648-0007Vl-00; Thu, 20 Mar 2003 13:51:04 -0600 +Received: from acapnotic by pyramid.twistedmatrix.com with local (Exim 3.35 #1 (Debian)) + id 18w63j-0007VK-00 + for <twisted-commits@twistedmatrix.com>; Thu, 20 Mar 2003 13:50:39 -0600 +To: twisted-commits@twistedmatrix.com +From: etrepum CVS <etrepum@twistedmatrix.com> +Reply-To: twisted-python@twistedmatrix.com +X-Mailer: CVSToys +Message-Id: <E18w63j-0007VK-00@pyramid.twistedmatrix.com> +Subject: [Twisted-commits] rebuild now works on python versions from 2.2.0 and up. +Sender: twisted-commits-admin@twistedmatrix.com +Errors-To: twisted-commits-admin@twistedmatrix.com +X-BeenThere: twisted-commits@twistedmatrix.com +X-Mailman-Version: 2.0.11 +Precedence: bulk +List-Help: <mailto:twisted-commits-request@twistedmatrix.com?subject=help> +List-Post: <mailto:twisted-commits@twistedmatrix.com> +List-Subscribe: <http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits>, + <mailto:twisted-commits-request@twistedmatrix.com?subject=subscribe> +List-Id: <twisted-commits.twistedmatrix.com> +List-Unsubscribe: <http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits>, + <mailto:twisted-commits-request@twistedmatrix.com?subject=unsubscribe> +List-Archive: <http://twistedmatrix.com/pipermail/twisted-commits/> +Date: Thu, 20 Mar 2003 13:50:39 -0600 + +Modified files: +Twisted/twisted/python/rebuild.py 1.19 1.20 + +Log message: +rebuild now works on python versions from 2.2.0 and up. + + +ViewCVS links: +http://twistedmatrix.com/users/jh.twistd/viewcvs/cgi/viewcvs.cgi/twisted/python/rebuild.py.diff?r1=text&tr1=1.19&r2=text&tr2=1.20&cvsroot=Twisted + +Index: Twisted/twisted/python/rebuild.py +diff -u Twisted/twisted/python/rebuild.py:1.19 Twisted/twisted/python/rebuild.py:1.20 +--- Twisted/twisted/python/rebuild.py:1.19 Fri Jan 17 13:50:49 2003 ++++ Twisted/twisted/python/rebuild.py Thu Mar 20 11:50:08 2003 +@@ -206,15 +206,27 @@ + clazz.__dict__.clear() + clazz.__getattr__ = __getattr__ + clazz.__module__ = module.__name__ ++ if newclasses: ++ import gc ++ if (2, 2, 0) <= sys.version_info[:3] < (2, 2, 2): ++ hasBrokenRebuild = 1 ++ gc_objects = gc.get_objects() ++ else: ++ hasBrokenRebuild = 0 + for nclass in newclasses: + ga = getattr(module, nclass.__name__) + if ga is nclass: + log.msg("WARNING: new-class %s not replaced by reload!" % reflect.qual(nclass)) + else: +- import gc +- for r in gc.get_referrers(nclass): +- if isinstance(r, nclass): ++ if hasBrokenRebuild: ++ for r in gc_objects: ++ if not getattr(r, '__class__', None) is nclass: ++ continue + r.__class__ = ga ++ else: ++ for r in gc.get_referrers(nclass): ++ if getattr(r, '__class__', None) is nclass: ++ r.__class__ = ga + if doLog: + log.msg('') + log.msg(' (fixing %s): ' % str(module.__name__)) + + +_______________________________________________ +Twisted-commits mailing list +Twisted-commits@twistedmatrix.com +http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-commits diff --git a/src/leap/mail/tests/rfc822.multi-minimal.message b/src/leap/mail/tests/rfc822.multi-minimal.message new file mode 100644 index 0000000..582297c --- /dev/null +++ b/src/leap/mail/tests/rfc822.multi-minimal.message @@ -0,0 +1,16 @@ +Content-Type: multipart/mixed; boundary="===============6203542367371144092==" +MIME-Version: 1.0 +Subject: [TEST] 010 - Inceptos cum lorem risus congue +From: testmailbitmaskspam@gmail.com +To: test_c5@dev.bitmask.net + +--===============6203542367371144092== +Content-Type: text/plain; charset="us-ascii" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit + +Howdy from python! +The subject: [TEST] 010 - Inceptos cum lorem risus congue +Current date & time: Wed Jan 8 16:36:21 2014 +Trying to attach: [] +--===============6203542367371144092==-- diff --git a/src/leap/mail/tests/rfc822.multi-nested.message b/src/leap/mail/tests/rfc822.multi-nested.message new file mode 100644 index 0000000..694bef5 --- /dev/null +++ b/src/leap/mail/tests/rfc822.multi-nested.message @@ -0,0 +1,619 @@ +From: TEST <test.bitmask@example.com> +Content-Type: multipart/alternative; + boundary="Apple-Mail=_F4EF9C8E-2E66-4FC6-8840-F435ADBED5C8" +X-Smtp-Server: smtp.example.com:test.bitmask +Subject: test simple attachment +X-Universally-Unique-Identifier: 0ea1b4b2-cdb8-43c3-b54c-dc88a19c6e0a +Date: Wed, 8 Jul 2015 04:25:56 +0900 +Message-Id: <47278179-628A-43F5-95C9-BC7E1753C521@example.com> +To: test_alpha14_001@dev.bitmask.net +Mime-Version: 1.0 (Apple Message framework v1251.1) + + +--Apple-Mail=_F4EF9C8E-2E66-4FC6-8840-F435ADBED5C8 +Content-Transfer-Encoding: 7bit +Content-Type: text/plain; + charset=us-ascii + +this is a simple attachment +--Apple-Mail=_F4EF9C8E-2E66-4FC6-8840-F435ADBED5C8 +Content-Type: multipart/related; + type="text/html"; + boundary="Apple-Mail=_C7D5288F-B043-4A7F-AF3F-1EDF1A78438B" + + +--Apple-Mail=_C7D5288F-B043-4A7F-AF3F-1EDF1A78438B +Content-Transfer-Encoding: 7bit +Content-Type: text/html; + charset=us-ascii + +<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">this is a simple attachment<img height="286" width="300" apple-width="yes" apple-height="yes" id="fd3d0c89-709d-419f-b293-a6827f75c8d4" src="cid:163B7957-4342-485F-8FD6-D46A4A53A2C1"></body></html> +--Apple-Mail=_C7D5288F-B043-4A7F-AF3F-1EDF1A78438B 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b/src/leap/mail/tests/rfc822.multi.message @@ -0,0 +1,96 @@ +Date: Fri, 19 May 2000 09:55:48 -0400 (EDT)
+From: Doug Sauder <doug@penguin.example.com>
+To: Joe Blow <blow@example.com>
+Subject: Test message from PINE
+Message-ID: <Pine.LNX.4.21.0005190951410.8452-102000@penguin.example.com>
+MIME-Version: 1.0
+Content-Type: MULTIPART/MIXED; BOUNDARY="-1463757054-952513540-958744548=:8452"
+
+ This message is in MIME format. The first part should be readable text,
+ while the remaining parts are likely unreadable without MIME-aware tools.
+ Send mail to mime@docserver.cac.washington.edu for more info.
+
+---1463757054-952513540-958744548=:8452
+Content-Type: TEXT/PLAIN; charset=US-ASCII
+
+This is a test message from PINE MUA.
+
+
+---1463757054-952513540-958744548=:8452
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+Content-Transfer-Encoding: BASE64
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+Content-Description: A PNG graphic file
+Content-Disposition: attachment; filename="redball.png"
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+---1463757054-952513540-958744548=:8452--
diff --git a/src/leap/mail/tests/rfc822.plain.message b/src/leap/mail/tests/rfc822.plain.message new file mode 100644 index 0000000..fc627c3 --- /dev/null +++ b/src/leap/mail/tests/rfc822.plain.message @@ -0,0 +1,66 @@ +From pyar-bounces@python.org.ar Wed Jan 8 14:46:02 2014 +Return-Path: <pyar-bounces@python.org.ar> +X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on spamd2.riseup.net +X-Spam-Level: ** +X-Spam-Pyzor: Reported 0 times. +X-Spam-Status: No, score=2.1 required=8.0 tests=AM_TRUNCATED,CK_419SIZE, + CK_NAIVER_NO_DNS,CK_NAIVE_NO_DNS,ENV_FROM_DIFF0,HAS_REPLY_TO,LINK_NR_TOP, + NO_REAL_NAME,RDNS_NONE,RISEUP_SPEAR_C shortcircuit=no autolearn=disabled + version=3.3.2 +Delivered-To: kali@leap.se +Received: from mx1.riseup.net (mx1-pn.riseup.net [10.0.1.33]) + (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) + (Client CN "*.riseup.net", Issuer "Gandi Standard SSL CA" (not verified)) + by vireo.riseup.net (Postfix) with ESMTPS id 6C39A8F + for <kali@leap.se>; Wed, 8 Jan 2014 18:46:02 +0000 (UTC) +Received: from pyar.usla.org.ar (unknown [190.228.30.157]) + by mx1.riseup.net (Postfix) with ESMTP id F244C533F4 + for <kali@leap.se>; Wed, 8 Jan 2014 10:46:01 -0800 (PST) +Received: from [127.0.0.1] (localhost [127.0.0.1]) + by pyar.usla.org.ar (Postfix) with ESMTP id CC51D26A4F + for <kali@leap.se>; Wed, 8 Jan 2014 15:46:00 -0300 (ART) +MIME-Version: 1.0 +Content-Type: text/plain; charset="iso-8859-1" +Content-Transfer-Encoding: quoted-printable +From: pyar-request@python.org.ar +To: kali@leap.se +Subject: confirm 0e47e4342e4d42508e8c283175b05b3377148ac2 +Reply-To: pyar-request@python.org.ar +Auto-Submitted: auto-replied +Message-ID: <mailman.245.1389206759.1579.pyar@python.org.ar> +Date: Wed, 08 Jan 2014 15:45:59 -0300 +Precedence: bulk +X-BeenThere: pyar@python.org.ar +X-Mailman-Version: 2.1.15 +List-Id: Python Argentina <pyar.python.org.ar> +X-List-Administrivia: yes +Errors-To: pyar-bounces@python.org.ar +Sender: "pyar" <pyar-bounces@python.org.ar> +X-Virus-Scanned: clamav-milter 0.97.8 at mx1 +X-Virus-Status: Clean + +Mailing list subscription confirmation notice for mailing list pyar + +We have received a request de kaliyuga@riseup.net for subscription of +your email address, "kaliyuga@riseup.net", to the pyar@python.org.ar +mailing list. 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If you think you are being maliciously +subscribed to the list, or have any other questions, send them to +pyar-owner@python.org.ar. diff --git a/src/leap/mail/tests/test_mail.py b/src/leap/mail/tests/test_mail.py new file mode 100644 index 0000000..9f40ffb --- /dev/null +++ b/src/leap/mail/tests/test_mail.py @@ -0,0 +1,399 @@ +# -*- coding: utf-8 -*- +# test_mail.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Tests for the mail module. +""" +import os +import time +import uuid + +from functools import partial +from email.parser import Parser +from email.Utils import formatdate + +from leap.mail.adaptors.soledad import SoledadMailAdaptor +from leap.mail.mail import MessageCollection, Account, _unpack_headers +from leap.mail.mailbox_indexer import MailboxIndexer +from leap.mail.tests.common import SoledadTestMixin + +HERE = os.path.split(os.path.abspath(__file__))[0] + + +def _get_raw_msg(multi=False): + if multi: + sample = "rfc822.multi.message" + else: + sample = "rfc822.message" + with open(os.path.join(HERE, sample)) as f: + raw = f.read() + return raw + + +def _get_parsed_msg(multi=False): + mail_parser = Parser() + raw = _get_raw_msg(multi=multi) + return mail_parser.parsestr(raw) + + +def _get_msg_time(): + timestamp = time.mktime((2010, 12, 12, 1, 1, 1, 1, 1, 1)) + return formatdate(timestamp) + + +class CollectionMixin(object): + + def get_collection(self, mbox_collection=True, mbox_name=None, + mbox_uuid=None): + """ + Get a collection for tests. + """ + adaptor = SoledadMailAdaptor() + store = self._soledad + adaptor.store = store + + if mbox_collection: + mbox_indexer = MailboxIndexer(store) + mbox_name = mbox_name or "TestMbox" + mbox_uuid = mbox_uuid or str(uuid.uuid4()) + else: + mbox_indexer = mbox_name = None + + def get_collection_from_mbox_wrapper(wrapper): + wrapper.uuid = mbox_uuid + return MessageCollection( + adaptor, store, + mbox_indexer=mbox_indexer, mbox_wrapper=wrapper) + + d = adaptor.initialize_store(store) + if mbox_collection: + d.addCallback(lambda _: mbox_indexer.create_table(mbox_uuid)) + d.addCallback(lambda _: adaptor.get_or_create_mbox(store, mbox_name)) + d.addCallback(get_collection_from_mbox_wrapper) + return d + + +# TODO profile add_msg. Why are these tests so SLOW??! +class MessageTestCase(SoledadTestMixin, CollectionMixin): + """ + Tests for the Message class. + """ + msg_flags = ('\Recent', '\Unseen', '\TestFlag') + msg_tags = ('important', 'todo', 'wonderful') + internal_date = "19-Mar-2015 19:22:21 -0500" + + maxDiff = None + + def _do_insert_msg(self, multi=False): + """ + Inserts and return a regular message, for tests. + """ + def insert_message(collection): + self._mbox_uuid = collection.mbox_uuid + return collection.add_msg( + raw, flags=self.msg_flags, tags=self.msg_tags, + date=self.internal_date) + + raw = _get_raw_msg(multi=multi) + + d = self.get_collection() + d.addCallback(insert_message) + return d + + def get_inserted_msg(self, multi=False): + d = self._do_insert_msg(multi=multi) + d.addCallback(lambda _: self.get_collection(mbox_uuid=self._mbox_uuid)) + d.addCallback(lambda col: col.get_message_by_uid(1)) + return d + + def test_get_flags(self): + d = self.get_inserted_msg() + d.addCallback(self._test_get_flags_cb) + return d + + def _test_get_flags_cb(self, msg): + self.assertTrue(msg is not None) + self.assertEquals(tuple(msg.get_flags()), self.msg_flags) + + def test_get_internal_date(self): + d = self.get_inserted_msg() + d.addCallback(self._test_get_internal_date_cb) + + def _test_get_internal_date_cb(self, msg): + self.assertTrue(msg is not None) + self.assertDictEqual(msg.get_internal_date(), + self.internal_date) + + def test_get_headers(self): + d = self.get_inserted_msg() + d.addCallback(self._test_get_headers_cb) + return d + + def _test_get_headers_cb(self, msg): + self.assertTrue(msg is not None) + expected = [ + (str(key.lower()), str(value)) + for (key, value) in _get_parsed_msg().items()] + self.assertItemsEqual(_unpack_headers(msg.get_headers()), expected) + + def test_get_body_file(self): + d = self.get_inserted_msg(multi=True) + d.addCallback(self._test_get_body_file_cb) + return d + + def _test_get_body_file_cb(self, msg): + self.assertTrue(msg is not None) + orig = _get_parsed_msg(multi=True) + expected = orig.get_payload()[0].get_payload() + d = msg.get_body_file(self._soledad) + + def assert_body(fd): + self.assertTrue(fd is not None) + self.assertEqual(fd.read(), expected) + d.addCallback(assert_body) + return d + + def test_get_size(self): + d = self.get_inserted_msg() + d.addCallback(self._test_get_size_cb) + return d + + def _test_get_size_cb(self, msg): + self.assertTrue(msg is not None) + expected = len(_get_parsed_msg().as_string()) + self.assertEqual(msg.get_size(), expected) + + def test_is_multipart_no(self): + d = self.get_inserted_msg() + d.addCallback(self._test_is_multipart_no_cb) + return d + + def _test_is_multipart_no_cb(self, msg): + self.assertTrue(msg is not None) + expected = _get_parsed_msg().is_multipart() + self.assertEqual(msg.is_multipart(), expected) + + def test_is_multipart_yes(self): + d = self.get_inserted_msg(multi=True) + d.addCallback(self._test_is_multipart_yes_cb) + return d + + def _test_is_multipart_yes_cb(self, msg): + self.assertTrue(msg is not None) + expected = _get_parsed_msg(multi=True).is_multipart() + self.assertEqual(msg.is_multipart(), expected) + + def test_get_subpart(self): + d = self.get_inserted_msg(multi=True) + d.addCallback(self._test_get_subpart_cb) + return d + + def _test_get_subpart_cb(self, msg): + self.assertTrue(msg is not None) + + def test_get_tags(self): + d = self.get_inserted_msg() + d.addCallback(self._test_get_tags_cb) + return d + + def _test_get_tags_cb(self, msg): + self.assertTrue(msg is not None) + self.assertEquals(msg.get_tags(), self.msg_tags) + + +class MessageCollectionTestCase(SoledadTestMixin, CollectionMixin): + """ + Tests for the MessageCollection class. + """ + _mbox_uuid = None + + def assert_collection_count(self, _, expected): + def _assert_count(count): + self.assertEqual(count, expected) + + d = self.get_collection() + d.addCallback(lambda col: col.count()) + d.addCallback(_assert_count) + return d + + def add_msg_to_collection(self): + raw = _get_raw_msg() + + def add_msg_to_collection(collection): + # We keep the uuid in case we need to instantiate the same + # collection afterwards. + self._mbox_uuid = collection.mbox_uuid + d = collection.add_msg(raw, date=_get_msg_time()) + return d + + d = self.get_collection() + d.addCallback(add_msg_to_collection) + return d + + def test_is_mailbox_collection(self): + d = self.get_collection() + d.addCallback(self._test_is_mailbox_collection_cb) + return d + + def _test_is_mailbox_collection_cb(self, collection): + self.assertTrue(collection.is_mailbox_collection()) + + def test_get_uid_next(self): + d = self.add_msg_to_collection() + d.addCallback(lambda _: self.get_collection()) + d.addCallback(lambda col: col.get_uid_next()) + d.addCallback(self._test_get_uid_next_cb) + + def _test_get_uid_next_cb(self, next_uid): + self.assertEqual(next_uid, 2) + + def test_add_and_count_msg(self): + d = self.add_msg_to_collection() + d.addCallback(self._test_add_and_count_msg_cb) + return d + + def _test_add_and_count_msg_cb(self, _): + return partial(self.assert_collection_count, expected=1) + + def test_copy_msg(self): + # TODO ---- update when implementing messagecopier + # interface + pass + test_copy_msg.skip = "Not yet implemented" + + def test_delete_msg(self): + d = self.add_msg_to_collection() + + def del_msg(collection): + def _delete_it(msg): + self.assertTrue(msg is not None) + return collection.delete_msg(msg) + + d = collection.get_message_by_uid(1) + d.addCallback(_delete_it) + return d + + # We need to instantiate an mbox collection with the same uuid that + # the one in which we inserted the doc. + d.addCallback(lambda _: self.get_collection(mbox_uuid=self._mbox_uuid)) + d.addCallback(del_msg) + d.addCallback(self._test_delete_msg_cb) + return d + + def _test_delete_msg_cb(self, _): + return partial(self.assert_collection_count, expected=0) + + def test_update_flags(self): + d = self.add_msg_to_collection() + d.addCallback(self._test_update_flags_cb) + return d + + def _test_update_flags_cb(self, msg): + pass + + def test_update_tags(self): + d = self.add_msg_to_collection() + d.addCallback(self._test_update_tags_cb) + return d + + def _test_update_tags_cb(self, msg): + pass + + +class AccountTestCase(SoledadTestMixin): + """ + Tests for the Account class. + """ + def get_account(self): + store = self._soledad + return Account(store) + + def test_add_mailbox(self): + acc = self.get_account() + d = acc.callWhenReady(lambda _: acc.add_mailbox("TestMailbox")) + d.addCallback(lambda _: acc.list_all_mailbox_names()) + d.addCallback(self._test_add_mailbox_cb) + return d + + def _test_add_mailbox_cb(self, mboxes): + expected = ['INBOX', 'TestMailbox'] + self.assertItemsEqual(mboxes, expected) + + def test_delete_mailbox(self): + acc = self.get_account() + d = acc.callWhenReady(lambda _: acc.delete_mailbox("Inbox")) + d.addCallback(lambda _: acc.list_all_mailbox_names()) + d.addCallback(self._test_delete_mailbox_cb) + return d + + def _test_delete_mailbox_cb(self, mboxes): + expected = [] + self.assertItemsEqual(mboxes, expected) + + def test_rename_mailbox(self): + acc = self.get_account() + d = acc.callWhenReady(lambda _: acc.add_mailbox("OriginalMailbox")) + d.addCallback(lambda _: acc.rename_mailbox( + "OriginalMailbox", "RenamedMailbox")) + d.addCallback(lambda _: acc.list_all_mailbox_names()) + d.addCallback(self._test_rename_mailbox_cb) + return d + + def _test_rename_mailbox_cb(self, mboxes): + expected = ['INBOX', 'RenamedMailbox'] + self.assertItemsEqual(mboxes, expected) + + def test_get_all_mailboxes(self): + acc = self.get_account() + d = acc.callWhenReady(lambda _: acc.add_mailbox("OneMailbox")) + d.addCallback(lambda _: acc.add_mailbox("TwoMailbox")) + d.addCallback(lambda _: acc.add_mailbox("ThreeMailbox")) + d.addCallback(lambda _: acc.add_mailbox("anotherthing")) + d.addCallback(lambda _: acc.add_mailbox("anotherthing2")) + d.addCallback(lambda _: acc.get_all_mailboxes()) + d.addCallback(self._test_get_all_mailboxes_cb) + return d + + def _test_get_all_mailboxes_cb(self, mailboxes): + expected = ["INBOX", "OneMailbox", "TwoMailbox", "ThreeMailbox", + "anotherthing", "anotherthing2"] + names = [m.mbox for m in mailboxes] + self.assertItemsEqual(names, expected) + + def test_get_collection_by_mailbox(self): + acc = self.get_account() + d = acc.callWhenReady(lambda _: acc.get_collection_by_mailbox("INBOX")) + d.addCallback(self._test_get_collection_by_mailbox_cb) + return d + + def _test_get_collection_by_mailbox_cb(self, collection): + self.assertTrue(collection.is_mailbox_collection()) + + def assert_uid_next_empty_collection(uid): + self.assertEqual(uid, 1) + d = collection.get_uid_next() + d.addCallback(assert_uid_next_empty_collection) + return d + + def test_get_collection_by_docs(self): + pass + + test_get_collection_by_docs.skip = "Not yet implemented" + + def test_get_collection_by_tag(self): + pass + + test_get_collection_by_tag.skip = "Not yet implemented" diff --git a/src/leap/mail/tests/test_mailbox_indexer.py b/src/leap/mail/tests/test_mailbox_indexer.py new file mode 100644 index 0000000..b82fd2d --- /dev/null +++ b/src/leap/mail/tests/test_mailbox_indexer.py @@ -0,0 +1,250 @@ +# -*- coding: utf-8 -*- +# test_mailbox_indexer.py +# Copyright (C) 2014 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +""" +Tests for the mailbox_indexer module. +""" +import uuid +from functools import partial + +from leap.mail import mailbox_indexer as mi +from leap.mail.tests.common import SoledadTestMixin + +hash_test0 = '590c9f8430c7435807df8ba9a476e3f1295d46ef210f6efae2043a4c085a569e' +hash_test1 = '1b4f0e9851971998e732078544c96b36c3d01cedf7caa332359d6f1d83567014' +hash_test2 = '60303ae22b998861bce3b28f33eec1be758a213c86c93c076dbe9f558c11c752' +hash_test3 = 'fd61a03af4f77d870fc21e05e7e80678095c92d808cfb3b5c279ee04c74aca13' +hash_test4 = 'a4e624d686e03ed2767c0abd85c14426b0b1157d2ce81d27bb4fe4f6f01d688a' + + +def fmt_hash(mailbox_uuid, hash): + return "M-" + mailbox_uuid.replace('-', '_') + "-" + hash + +mbox_id = str(uuid.uuid4()) + + +class MailboxIndexerTestCase(SoledadTestMixin): + """ + Tests for the MailboxUID class. + """ + def get_mbox_uid(self): + m_uid = mi.MailboxIndexer(self._soledad) + return m_uid + + def list_mail_tables_cb(self, ignored): + def filter_mailuid_tables(tables): + filtered = [ + table[0] for table in tables if + table[0].startswith(mi.MailboxIndexer.table_preffix)] + return filtered + + sql = "SELECT name FROM sqlite_master WHERE type='table';" + d = self._soledad.raw_sqlcipher_query(sql) + d.addCallback(filter_mailuid_tables) + return d + + def select_uid_rows(self, mailbox): + sql = "SELECT * FROM %s%s;" % ( + mi.MailboxIndexer.table_preffix, mailbox.replace('-', '_')) + d = self._soledad.raw_sqlcipher_query(sql) + return d + + def test_create_table(self): + def assert_table_created(tables): + self.assertEqual( + tables, ["leapmail_uid_" + mbox_id.replace('-', '_')]) + + m_uid = self.get_mbox_uid() + d = m_uid.create_table(mbox_id) + d.addCallback(self.list_mail_tables_cb) + d.addCallback(assert_table_created) + return d + + def test_create_and_delete_table(self): + def assert_table_deleted(tables): + self.assertEqual(tables, []) + + m_uid = self.get_mbox_uid() + d = m_uid.create_table(mbox_id) + d.addCallback(lambda _: m_uid.delete_table(mbox_id)) + d.addCallback(self.list_mail_tables_cb) + d.addCallback(assert_table_deleted) + return d + + def test_insert_doc(self): + m_uid = self.get_mbox_uid() + + h1 = fmt_hash(mbox_id, hash_test0) + h2 = fmt_hash(mbox_id, hash_test1) + h3 = fmt_hash(mbox_id, hash_test2) + h4 = fmt_hash(mbox_id, hash_test3) + h5 = fmt_hash(mbox_id, hash_test4) + + def assert_uid_rows(rows): + expected = [(1, h1), (2, h2), (3, h3), (4, h4), (5, h5)] + self.assertEquals(rows, expected) + + d = m_uid.create_table(mbox_id) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5)) + d.addCallback(lambda _: self.select_uid_rows(mbox_id)) + d.addCallback(assert_uid_rows) + return d + + def test_insert_doc_return(self): + m_uid = self.get_mbox_uid() + + def assert_rowid(rowid, expected=None): + self.assertEqual(rowid, expected) + + h1 = fmt_hash(mbox_id, hash_test0) + h2 = fmt_hash(mbox_id, hash_test1) + h3 = fmt_hash(mbox_id, hash_test2) + + d = m_uid.create_table(mbox_id) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1)) + d.addCallback(partial(assert_rowid, expected=1)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2)) + d.addCallback(partial(assert_rowid, expected=2)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3)) + d.addCallback(partial(assert_rowid, expected=3)) + return d + + def test_delete_doc(self): + m_uid = self.get_mbox_uid() + + h1 = fmt_hash(mbox_id, hash_test0) + h2 = fmt_hash(mbox_id, hash_test1) + h3 = fmt_hash(mbox_id, hash_test2) + h4 = fmt_hash(mbox_id, hash_test3) + h5 = fmt_hash(mbox_id, hash_test4) + + def assert_uid_rows(rows): + expected = [(4, h4), (5, h5)] + self.assertEquals(rows, expected) + + d = m_uid.create_table(mbox_id) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5)) + + d.addCallbacks(lambda _: m_uid.delete_doc_by_uid(mbox_id, 1)) + d.addCallbacks(lambda _: m_uid.delete_doc_by_uid(mbox_id, 2)) + d.addCallbacks(lambda _: m_uid.delete_doc_by_hash(mbox_id, h3)) + + d.addCallback(lambda _: self.select_uid_rows(mbox_id)) + d.addCallback(assert_uid_rows) + return d + + def test_get_doc_id_from_uid(self): + m_uid = self.get_mbox_uid() + + h1 = fmt_hash(mbox_id, hash_test0) + + def assert_doc_hash(res): + self.assertEqual(res, h1) + + d = m_uid.create_table(mbox_id) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1)) + d.addCallback(lambda _: m_uid.get_doc_id_from_uid(mbox_id, 1)) + d.addCallback(assert_doc_hash) + return d + + def test_count(self): + m_uid = self.get_mbox_uid() + + h1 = fmt_hash(mbox_id, hash_test0) + h2 = fmt_hash(mbox_id, hash_test1) + h3 = fmt_hash(mbox_id, hash_test2) + h4 = fmt_hash(mbox_id, hash_test3) + h5 = fmt_hash(mbox_id, hash_test4) + + d = m_uid.create_table(mbox_id) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5)) + + def assert_count_after_inserts(count): + self.assertEquals(count, 5) + + d.addCallback(lambda _: m_uid.count(mbox_id)) + d.addCallback(assert_count_after_inserts) + + d.addCallbacks(lambda _: m_uid.delete_doc_by_uid(mbox_id, 1)) + d.addCallbacks(lambda _: m_uid.delete_doc_by_uid(mbox_id, 2)) + + def assert_count_after_deletions(count): + self.assertEquals(count, 3) + + d.addCallback(lambda _: m_uid.count(mbox_id)) + d.addCallback(assert_count_after_deletions) + return d + + def test_get_next_uid(self): + m_uid = self.get_mbox_uid() + + h1 = fmt_hash(mbox_id, hash_test0) + h2 = fmt_hash(mbox_id, hash_test1) + h3 = fmt_hash(mbox_id, hash_test2) + h4 = fmt_hash(mbox_id, hash_test3) + h5 = fmt_hash(mbox_id, hash_test4) + + d = m_uid.create_table(mbox_id) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5)) + + def assert_next_uid(result, expected=1): + self.assertEquals(result, expected) + + d.addCallback(lambda _: m_uid.get_next_uid(mbox_id)) + d.addCallback(partial(assert_next_uid, expected=6)) + return d + + def test_all_uid_iter(self): + + m_uid = self.get_mbox_uid() + + h1 = fmt_hash(mbox_id, hash_test0) + h2 = fmt_hash(mbox_id, hash_test1) + h3 = fmt_hash(mbox_id, hash_test2) + h4 = fmt_hash(mbox_id, hash_test3) + h5 = fmt_hash(mbox_id, hash_test4) + + d = m_uid.create_table(mbox_id) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h1)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h2)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h3)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h4)) + d.addCallback(lambda _: m_uid.insert_doc(mbox_id, h5)) + d.addCallback(lambda _: m_uid.delete_doc_by_uid(mbox_id, 1)) + d.addCallback(lambda _: m_uid.delete_doc_by_uid(mbox_id, 4)) + + def assert_all_uid(result, expected=[2, 3, 5]): + self.assertEquals(result, expected) + + d.addCallback(lambda _: m_uid.all_uid_iter(mbox_id)) + d.addCallback(partial(assert_all_uid)) + return d diff --git a/src/leap/mail/utils.py b/src/leap/mail/utils.py index fed24b3..64fca98 100644 --- a/src/leap/mail/utils.py +++ b/src/leap/mail/utils.py @@ -17,12 +17,15 @@ """ Mail utilities. """ +from email.utils import parseaddr import json import re import traceback import Queue from leap.soledad.common.document import SoledadDocument +from leap.common.check import leap_assert_type +from twisted.mail import smtp CHARSET_PATTERN = r"""charset=([\w-]+)""" @@ -42,9 +45,12 @@ def first(things): def empty(thing): """ Return True if a thing is None or its length is zero. + If thing is a number (int, float, long), return False. """ if thing is None: return True + if isinstance(thing, (int, float, long)): + return False if isinstance(thing, SoledadDocument): thing = thing.content try: @@ -224,10 +230,31 @@ def accumulator_queue(fun, lim): return _accumulator +def validate_address(address): + """ + Validate C{address} as defined in RFC 2822. + + :param address: The address to be validated. + :type address: str + + @return: A valid address. + @rtype: str + + @raise smtp.SMTPBadRcpt: Raised if C{address} is invalid. + """ + leap_assert_type(address, str) + # in the following, the address is parsed as described in RFC 2822 and + # ('', '') is returned if the parse fails. + _, address = parseaddr(address) + if address == '': + raise smtp.SMTPBadRcpt(address) + return address + # # String manipulation # + class CustomJsonScanner(object): """ This class is a context manager definition used to monkey patch the default @@ -273,13 +300,13 @@ class CustomJsonScanner(object): end = s.find("\"", idx) while not found: try: - if s[end-1] != "\\": + if s[end - 1] != "\\": found = True else: - end = s.find("\"", end+1) + end = s.find("\"", end + 1) except Exception: found = True - return s[idx:end].decode("string-escape"), end+1 + return s[idx:end].decode("string-escape"), end + 1 def __enter__(self): """ @@ -325,3 +352,24 @@ def json_loads(data): obj = json.loads(data, cls=json.JSONDecoder) return obj + + +class CaseInsensitiveDict(dict): + """ + A dictionary subclass that will allow case-insenstive key lookups. + """ + def __init__(self, d=None): + if d is None: + d = [] + if isinstance(d, dict): + for key, value in d.items(): + self[key] = value + else: + for key, value in d: + self[key] = value + + def __setitem__(self, key, value): + super(CaseInsensitiveDict, self).__setitem__(key.lower(), value) + + def __getitem__(self, key): + return super(CaseInsensitiveDict, self).__getitem__(key.lower()) diff --git a/src/leap/mail/walk.py b/src/leap/mail/walk.py index f747377..1c74366 100644 --- a/src/leap/mail/walk.py +++ b/src/leap/mail/walk.py @@ -1,6 +1,6 @@ # -*- coding: utf-8 -*- # walk.py -# Copyright (C) 2013 LEAP +# Copyright (C) 2013-2015 LEAP # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -26,45 +26,60 @@ from leap.mail.utils import first DEBUG = os.environ.get("BITMASK_MAIL_DEBUG") if DEBUG: - get_hash = lambda s: sha256.SHA256(s).hexdigest()[:10] + def get_hash(s): + return sha256.SHA256(s).hexdigest()[:10] else: - get_hash = lambda s: sha256.SHA256(s).hexdigest() + def get_hash(s): + return sha256.SHA256(s).hexdigest() """ Get interesting message parts """ -get_parts = lambda msg: [ - {'multi': part.is_multipart(), - 'ctype': part.get_content_type(), - 'size': len(part.as_string()), - 'parts': len(part.get_payload()) - if isinstance(part.get_payload(), list) - else 1, - 'headers': part.items(), - 'phash': get_hash(part.get_payload()) - if not part.is_multipart() else None} - for part in msg.walk()] + + +def get_parts(msg): + return [ + { + 'multi': part.is_multipart(), + 'ctype': part.get_content_type(), + 'size': len(part.as_string()), + 'parts': + len(part.get_payload()) + if isinstance(part.get_payload(), list) + else 1, + 'headers': part.items(), + 'phash': + get_hash(part.get_payload()) + if not part.is_multipart() + else None + } for part in msg.walk()] """ Utility lambda functions for getting the parts vector and the payloads from the original message. """ -get_parts_vector = lambda parts: (x.get('parts', 1) for x in parts) -get_payloads = lambda msg: ((x.get_payload(), - dict(((str.lower(k), v) for k, v in (x.items())))) - for x in msg.walk()) -get_body_phash_simple = lambda payloads: first( - [get_hash(payload) for payload, headers in payloads - if payloads]) +def get_parts_vector(parts): + return (x.get('parts', 1) for x in parts) + -get_body_phash_multi = lambda payloads: (first( - [get_hash(payload) for payload, headers in payloads - if payloads - and "text/plain" in headers.get('content-type', '')]) - or get_body_phash_simple(payloads)) +def get_payloads(msg): + return ((x.get_payload(), + dict(((str.lower(k), v) for k, v in (x.items())))) + for x in msg.walk()) + + +def get_body_phash(msg): + """ + Find the body payload-hash for this message. + """ + for part in msg.walk(): + # XXX what other ctypes should be considered body? + if part.get_content_type() in ("text/plain", "text/html"): + # XXX avoid hashing again + return get_hash(part.get_payload()) """ On getting the raw docs, we get also some of the headers to be able to @@ -72,18 +87,51 @@ index the content. Here we remove any mutable part, as the the filename in the content disposition. """ -get_raw_docs = lambda msg, parts: ( - {"type": "cnt", # type content they'll be - "raw": payload if not DEBUG else payload[:100], - "phash": get_hash(payload), - "content-disposition": first(headers.get( - 'content-disposition', '').split(';')), - "content-type": headers.get( - 'content-type', ''), - "content-transfer-encoding": headers.get( - 'content-transfer-type', '')} - for payload, headers in get_payloads(msg) - if not isinstance(payload, list)) + +def get_raw_docs(msg, parts): + return ( + { + "type": "cnt", # type content they'll be + "raw": payload if not DEBUG else payload[:100], + "phash": get_hash(payload), + "content-disposition": first(headers.get( + 'content-disposition', '').split(';')), + "content-type": headers.get( + 'content-type', ''), + "content-transfer-encoding": headers.get( + 'content-transfer-encoding', '') + } for payload, headers in get_payloads(msg) + if not isinstance(payload, list)) + + +""" +Groucho Marx: Now pay particular attention to this first clause, because it's + most important. There's the party of the first part shall be + known in this contract as the party of the first part. How do you + like that, that's pretty neat eh? + +Chico Marx: No, that's no good. +Groucho Marx: What's the matter with it? + +Chico Marx: I don't know, let's hear it again. +Groucho Marx: So the party of the first part shall be known in this contract as + the party of the first part. + +Chico Marx: Well it sounds a little better this time. +Groucho Marx: Well, it grows on you. Would you like to hear it once more? + +Chico Marx: Just the first part. +Groucho Marx: All right. It says the first part of the party of the first part + shall be known in this contract as the first part of the party of + the first part, shall be known in this contract - look, why + should we quarrel about a thing like this, we'll take it right + out, eh? + +Chico Marx: Yes, it's too long anyhow. Now what have we got left? +Groucho Marx: Well I've got about a foot and a half. Now what's the matter? + +Chico Marx: I don't like the second party either. +""" def walk_msg_tree(parts, body_phash=None): @@ -93,7 +141,7 @@ def walk_msg_tree(parts, body_phash=None): documents that will be stored in Soledad. It walks down the subparts in the parsed message tree, and collapses - the leaf docuents into a wrapper document until no multipart submessages + the leaf documents into a wrapper document until no multipart submessages are left. To achieve this, it iteratively calculates a wrapper vector of all documents in the sequence that have more than one part and have unitary documents to their right. To collapse a multipart, take as many @@ -125,8 +173,12 @@ def walk_msg_tree(parts, body_phash=None): print # wrappers vector - getwv = lambda pv: [True if pv[i] != 1 and pv[i + 1] == 1 else False - for i in range(len(pv) - 1)] + def getwv(pv): + return [ + True if pv[i] != 1 and pv[i + 1] == 1 + else False + for i in range(len(pv) - 1) + ] wv = getwv(pv) # do until no wrapper document is left @@ -142,7 +194,7 @@ def walk_msg_tree(parts, body_phash=None): HEADERS: dict(parts[wind][HEADERS]) } - # remove subparts and substitue wrapper + # remove subparts and substitute wrapper map(lambda i: parts.remove(i), slic) parts[wind] = cwra @@ -157,12 +209,12 @@ def walk_msg_tree(parts, body_phash=None): last_part = max(main_pmap.keys()) main_pmap[last_part][PART_MAP] = {} for partind in range(len(pv) - 1): - print partind+1, len(parts) + print partind + 1, len(parts) main_pmap[last_part][PART_MAP][partind] = parts[partind + 1] outer = parts[0] outer.pop(HEADERS) - if not PART_MAP in outer: + if PART_MAP not in outer: # we have a multipart with 1 part only, so kind of fix it # although it would be prettier if I take this special case at # the beginning of the walk. @@ -177,36 +229,3 @@ def walk_msg_tree(parts, body_phash=None): pdoc = outer pdoc[BODY] = body_phash return pdoc - -""" -Groucho Marx: Now pay particular attention to this first clause, because it's - most important. There's the party of the first part shall be - known in this contract as the party of the first part. How do you - like that, that's pretty neat eh? - -Chico Marx: No, that's no good. -Groucho Marx: What's the matter with it? - -Chico Marx: I don't know, let's hear it again. -Groucho Marx: So the party of the first part shall be known in this contract as - the party of the first part. - -Chico Marx: Well it sounds a little better this time. -Groucho Marx: Well, it grows on you. Would you like to hear it once more? - -Chico Marx: Just the first part. -Groucho Marx: All right. It says the first part of the party of the first part - shall be known in this contract as the first part of the party of - the first part, shall be known in this contract - look, why - should we quarrel about a thing like this, we'll take it right - out, eh? - -Chico Marx: Yes, it's too long anyhow. Now what have we got left? -Groucho Marx: Well I've got about a foot and a half. Now what's the matter? - -Chico Marx: I don't like the second party either. -""" - -""" -I feel you deserved it after reading the above and try to debug your problem ;) -""" |