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-rw-r--r--README.rst5
-rw-r--r--pkg/requirements-dev.pip14
-rw-r--r--pkg/requirements.pip3
-rw-r--r--setup.py46
-rw-r--r--src/leap/__init__.py6
-rw-r--r--src/leap/mail/__init__.py0
-rw-r--r--src/leap/mail/imap/__init__.py0
-rw-r--r--src/leap/mail/imap/server.py558
-rw-r--r--src/leap/mail/imap/tests/__init__.py232
-rwxr-xr-xsrc/leap/mail/imap/tests/imapclient.py206
-rw-r--r--src/leap/mail/imap/tests/rfc822.message86
-rw-r--r--src/leap/mail/imap/tests/test_imap.py957
-rw-r--r--src/leap/mail/smtp/README.rst43
-rw-r--r--src/leap/mail/smtp/__init__.py0
-rw-r--r--src/leap/mail/smtp/smtprelay.py246
-rw-r--r--src/leap/mail/smtp/tests/185CA770.key79
-rw-r--r--src/leap/mail/smtp/tests/185CA770.pub52
-rw-r--r--src/leap/mail/smtp/tests/__init__.py218
-rw-r--r--src/leap/mail/smtp/tests/mail.txt10
-rw-r--r--src/leap/mail/smtp/tests/test_smtprelay.py78
20 files changed, 2839 insertions, 0 deletions
diff --git a/README.rst b/README.rst
new file mode 100644
index 0000000..92a4fa6
--- /dev/null
+++ b/README.rst
@@ -0,0 +1,5 @@
+leap.mail
+=========
+Mail services for the LEAP CLient.
+
+More info: https://leap.se
diff --git a/pkg/requirements-dev.pip b/pkg/requirements-dev.pip
new file mode 100644
index 0000000..4bd76f6
--- /dev/null
+++ b/pkg/requirements-dev.pip
@@ -0,0 +1,14 @@
+# ---------------------------
+# -- external requirements --
+# -- during development --
+# ---------------------------
+#
+# For temporary work, you can point this to your developer repo.
+# consolidated changes will be pushed to pypi and then added
+# to the main requirements.pip
+#
+# NOTE: you have to run pip install -r pkg/requirements.pip for pip
+# to install it. (do it after python setup.py develop and it
+# will only install this)
+
+-e git+git://leap.se/soledad@develop#egg=leap.soledad
diff --git a/pkg/requirements.pip b/pkg/requirements.pip
new file mode 100644
index 0000000..1b5e5ef
--- /dev/null
+++ b/pkg/requirements.pip
@@ -0,0 +1,3 @@
+leap.common
+leap.soledad
+twisted
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..4de7251
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,46 @@
+# -*- coding: utf-8 -*-
+# setup.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/>.
+"""
+setup file for leap.mail
+"""
+from setuptools import setup, find_packages
+
+requirements = [
+ "leap.soledad",
+ "leap.common",
+ "twisted",
+]
+
+# XXX add classifiers, docs
+
+setup(
+ name='leap.mail',
+ version='0.2.0-dev',
+ url='https://leap.se/',
+ license='GPLv3+',
+ author='The LEAP Encryption Access Project',
+ author_email='info@leap.se',
+ description='Mail Services in the LEAP Client project.',
+ long_description=(
+ "Mail Services in the LEAP Client project."
+ ),
+ namespace_packages=["leap"],
+ package_dir={'': 'src'},
+ packages=find_packages('src'),
+ #test_suite='leap.mail.tests',
+ #install_requires=requirements,
+)
diff --git a/src/leap/__init__.py b/src/leap/__init__.py
new file mode 100644
index 0000000..f48ad10
--- /dev/null
+++ b/src/leap/__init__.py
@@ -0,0 +1,6 @@
+# See http://peak.telecommunity.com/DevCenter/setuptools#namespace-packages
+try:
+ __import__('pkg_resources').declare_namespace(__name__)
+except ImportError:
+ from pkgutil import extend_path
+ __path__ = extend_path(__path__, __name__)
diff --git a/src/leap/mail/__init__.py b/src/leap/mail/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/leap/mail/__init__.py
diff --git a/src/leap/mail/imap/__init__.py b/src/leap/mail/imap/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/leap/mail/imap/__init__.py
diff --git a/src/leap/mail/imap/server.py b/src/leap/mail/imap/server.py
new file mode 100644
index 0000000..4e9c22c
--- /dev/null
+++ b/src/leap/mail/imap/server.py
@@ -0,0 +1,558 @@
+import copy
+
+from zope.interface import implements
+
+from twisted.mail import imap4
+from twisted.internet import defer
+
+#from twisted import cred
+
+import u1db
+
+
+# TODO delete this SimpleMailbox
+class SimpleMailbox:
+ """
+ A simple Mailbox for reference
+ We don't intend to use this, only for debugging purposes
+ until we stabilize unittests with SoledadMailbox
+ """
+ implements(imap4.IMailboxInfo, imap4.IMailbox, imap4.ICloseableMailbox)
+
+ flags = ('\\Flag1', 'Flag2', '\\AnotherSysFlag', 'LastFlag')
+ messages = []
+ mUID = 0
+ rw = 1
+ closed = False
+
+ def __init__(self):
+ self.listeners = []
+ self.addListener = self.listeners.append
+ self.removeListener = self.listeners.remove
+
+ def getFlags(self):
+ return self.flags
+
+ def getUIDValidity(self):
+ return 42
+
+ def getUIDNext(self):
+ return len(self.messages) + 1
+
+ def getMessageCount(self):
+ return 9
+
+ def getRecentCount(self):
+ return 3
+
+ def getUnseenCount(self):
+ return 4
+
+ def isWriteable(self):
+ return self.rw
+
+ def destroy(self):
+ pass
+
+ def getHierarchicalDelimiter(self):
+ return '/'
+
+ def requestStatus(self, names):
+ r = {}
+ if 'MESSAGES' in names:
+ r['MESSAGES'] = self.getMessageCount()
+ if 'RECENT' in names:
+ r['RECENT'] = self.getRecentCount()
+ if 'UIDNEXT' in names:
+ r['UIDNEXT'] = self.getMessageCount() + 1
+ if 'UIDVALIDITY' in names:
+ r['UIDVALIDITY'] = self.getUID()
+ if 'UNSEEN' in names:
+ r['UNSEEN'] = self.getUnseenCount()
+ return defer.succeed(r)
+
+ def addMessage(self, message, flags, date=None):
+ self.messages.append((message, flags, date, self.mUID))
+ self.mUID += 1
+ return defer.succeed(None)
+
+ def expunge(self):
+ delete = []
+ for i in self.messages:
+ if '\\Deleted' in i[1]:
+ delete.append(i)
+ for i in delete:
+ self.messages.remove(i)
+ return [i[3] for i in delete]
+
+ def close(self):
+ self.closed = True
+
+
+###################################
+# SoledadAccount Index
+###################################
+
+class MissingIndexError(Exception):
+ """raises when tried to access a non existent index document"""
+
+
+class BadIndexError(Exception):
+ """raises when index is malformed or has the wrong cardinality"""
+
+
+EMPTY_INDEXDOC = {"is_index": True, "mailboxes": [], "subscriptions": []}
+get_empty_indexdoc = lambda: copy.deepcopy(EMPTY_INDEXDOC)
+
+
+class SoledadAccountIndex(object):
+ """
+ Index for the Soledad Account
+ keeps track of mailboxes and subscriptions
+ """
+ _index = None
+
+ def __init__(self, soledad=None):
+ self._soledad = soledad
+ self._db = soledad._db
+ self._initialize_db()
+
+ def _initialize_db(self):
+ """initialize the database"""
+ db_indexes = dict(self._soledad._db.list_indexes())
+ name, expression = "isindex", ["bool(is_index)"]
+ if name not in db_indexes:
+ self._soledad._db.create_index(name, *expression)
+ try:
+ self._index = self._get_index_doc()
+ except MissingIndexError:
+ print "no index!!! creating..."
+ self._create_index_doc()
+
+ def _create_index_doc(self):
+ """creates an empty index document"""
+ indexdoc = get_empty_indexdoc()
+ self._index = self._soledad.create_doc(
+ indexdoc)
+
+ def _get_index_doc(self):
+ """gets index document"""
+ indexdoc = self._db.get_from_index("isindex", "*")
+ if not indexdoc:
+ raise MissingIndexError
+ if len(indexdoc) > 1:
+ raise BadIndexError
+ return indexdoc[0]
+
+ def _update_index_doc(self):
+ """updates index document"""
+ self._db.put_doc(self._index)
+
+ # setters and getters for the index document
+
+ def _get_mailboxes(self):
+ """Get mailboxes associated with this account."""
+ return self._index.content.setdefault('mailboxes', [])
+
+ def _set_mailboxes(self, mailboxes):
+ """Set mailboxes associated with this account."""
+ self._index.content['mailboxes'] = list(set(mailboxes))
+ self._update_index_doc()
+
+ mailboxes = property(
+ _get_mailboxes, _set_mailboxes, doc="Account mailboxes.")
+
+ def _get_subscriptions(self):
+ """Get subscriptions associated with this account."""
+ return self._index.content.setdefault('subscriptions', [])
+
+ def _set_subscriptions(self, subscriptions):
+ """Set subscriptions associated with this account."""
+ self._index.content['subscriptions'] = list(set(subscriptions))
+ self._update_index_doc()
+
+ subscriptions = property(
+ _get_subscriptions, _set_subscriptions, doc="Account subscriptions.")
+
+ def addMailbox(self, name):
+ """add a mailbox to the mailboxes list."""
+ name = name.upper()
+ self.mailboxes.append(name)
+ self._update_index_doc()
+
+ def removeMailbox(self, name):
+ """remove a mailbox from the mailboxes list."""
+ self.mailboxes.remove(name)
+ self._update_index_doc()
+
+ def addSubscription(self, name):
+ """add a subscription to the subscriptions list."""
+ name = name.upper()
+ self.subscriptions.append(name)
+ self._update_index_doc()
+
+ def removeSubscription(self, name):
+ """remove a subscription from the subscriptions list."""
+ self.subscriptions.remove(name)
+ self._update_index_doc()
+
+
+#######################################
+# Soledad Account
+#######################################
+
+class SoledadBackedAccount(object):
+
+ implements(imap4.IAccount, imap4.INamespacePresenter)
+
+ #mailboxes = None
+ #subscriptions = None
+
+ top_id = 0 # XXX move top_id to _index
+ _soledad = None
+ _db = None
+
+ def __init__(self, name, soledad=None):
+ self.name = name
+ self._soledad = soledad
+ self._db = soledad._db
+ self._index = SoledadAccountIndex(soledad=soledad)
+
+ #self.mailboxes = {}
+ #self.subscriptions = []
+
+ def allocateID(self):
+ id = self.top_id # XXX move to index !!!
+ self.top_id += 1
+ return id
+
+ @property
+ def mailboxes(self):
+ return self._index.mailboxes
+
+ @property
+ def subscriptions(self):
+ return self._index.subscriptions
+
+ ##
+ ## IAccount
+ ##
+
+ def addMailbox(self, name, mbox=None):
+ name = name.upper()
+ if name in self.mailboxes:
+ raise imap4.MailboxCollision, name
+ if mbox is None:
+ mbox = self._emptyMailbox(name, self.allocateID())
+ self._index.addMailbox(name)
+ return 1
+
+ def create(self, pathspec):
+ paths = filter(None, 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:
+ if not pathspec.endswith('/'):
+ return False
+ return True
+
+ def _emptyMailbox(self, name, id):
+ # XXX implement!!!
+ raise NotImplementedError
+
+ def select(self, name, readwrite=1):
+ return self.mailboxes.get(name.upper())
+
+ def delete(self, name):
+ name = name.upper()
+ # See if this mailbox exists at all
+ mbox = self.mailboxes.get(name)
+ if not mbox:
+ raise imap4.MailboxException("No such mailbox")
+ # See if this box is flagged \Noselect
+ if r'\Noselect' in mbox.getFlags():
+ # Check for hierarchically inferior mailboxes with this one
+ # as part of their root.
+ for others in self.mailboxes.keys():
+ if others != name and others.startswith(name):
+ raise imap4.MailboxException, (
+ "Hierarchically inferior mailboxes "
+ "exist and \\Noselect is set")
+ mbox.destroy()
+
+ # iff there are no hierarchically inferior names, we will
+ # delete it from our ken.
+ if self._inferiorNames(name) > 1:
+ del self.mailboxes[name]
+
+ def rename(self, oldname, newname):
+ oldname = oldname.upper()
+ newname = newname.upper()
+ if oldname not in self.mailboxes:
+ raise imap4.NoSuchMailbox, oldname
+
+ inferiors = self._inferiorNames(oldname)
+ inferiors = [(o, o.replace(oldname, newname, 1)) for o in inferiors]
+
+ for (old, new) in inferiors:
+ if new in self.mailboxes:
+ raise imap4.MailboxCollision, new
+
+ for (old, new) in inferiors:
+ self.mailboxes[new] = self.mailboxes[old]
+ del self.mailboxes[old]
+
+ def _inferiorNames(self, name):
+ inferiors = []
+ for infname in self.mailboxes.keys():
+ if infname.startswith(name):
+ inferiors.append(infname)
+ return inferiors
+
+ def isSubscribed(self, name):
+ return name.upper() in self.subscriptions
+
+ def subscribe(self, name):
+ name = name.upper()
+ if name not in self.subscriptions:
+ self._index.addSubscription(name)
+
+ def unsubscribe(self, name):
+ name = name.upper()
+ if name not in self.subscriptions:
+ raise imap4.MailboxException, "Not currently subscribed to " + name
+ self._index.removeSubscription(name)
+
+ def listMailboxes(self, ref, wildcard):
+ ref = self._inferiorNames(ref.upper())
+ wildcard = imap4.wildcardToRegexp(wildcard, '/')
+ return [(i, self.mailboxes[i]) for i in ref if wildcard.match(i)]
+
+ ##
+ ## INamespacePresenter
+ ##
+
+ def getPersonalNamespaces(self):
+ return [["", "/"]]
+
+ def getSharedNamespaces(self):
+ return None
+
+ def getOtherNamespaces(self):
+ return None
+
+#######################################
+# Soledad Message, MessageCollection
+# and Mailbox
+#######################################
+
+FLAGS_INDEX = 'flags'
+SEEN_INDEX = 'seen'
+INDEXES = {FLAGS_INDEX: ['flags'],
+ SEEN_INDEX: ['bool(seen)'],
+}
+
+
+class Message(u1db.Document):
+ """A rfc822 message item."""
+ # XXX TODO use email module
+
+ def _get_subject(self):
+ """Get the message title."""
+ return self.content.get('subject')
+
+ def _set_subject(self, subject):
+ """Set the message title."""
+ self.content['subject'] = subject
+
+ subject = property(_get_subject, _set_subject,
+ doc="Subject of the message.")
+
+ def _get_seen(self):
+ """Get the seen status of the message."""
+ return self.content.get('seen', False)
+
+ def _set_seen(self, value):
+ """Set the seen status."""
+ self.content['seen'] = value
+
+ seen = property(_get_seen, _set_seen, doc="Seen flag.")
+
+ def _get_flags(self):
+ """Get flags associated with the message."""
+ return self.content.setdefault('flags', [])
+
+ def _set_flags(self, flags):
+ """Set flags associated with the message."""
+ self.content['flags'] = list(set(flags))
+
+ flags = property(_get_flags, _set_flags, doc="Message flags.")
+
+EMPTY_MSG = {
+ "subject": "",
+ "seen": False,
+ "flags": [],
+ "mailbox": "",
+}
+get_empty_msg = lambda: copy.deepcopy(EMPTY_MSG)
+
+
+class MessageCollection(object):
+ """
+ A collection of messages
+ """
+
+ def __init__(self, mbox=None, db=None):
+ assert mbox
+ self.db = db
+ self.initialize_db()
+
+ def initialize_db(self):
+ """Initialize the database."""
+ # Ask the database for currently existing indexes.
+ db_indexes = dict(self.db.list_indexes())
+ # Loop through the indexes we expect to find.
+ for name, expression in INDEXES.items():
+ print 'name is', name
+ if name not in db_indexes:
+ # The index does not yet exist.
+ print 'creating index'
+ self.db.create_index(name, *expression)
+ continue
+
+ if expression == db_indexes[name]:
+ print 'expression up to date'
+ # 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.
+ print 'deleting index'
+ self.db.delete_index(name)
+ self.db.create_index(name, *expression)
+
+ def add_msg(self, subject=None, flags=None):
+ """Create a new message document."""
+ if flags is None:
+ flags = []
+ content = get_empty_msg()
+ if subject or flags:
+ content['subject'] = subject
+ content['flags'] = flags
+ # Store the document in the database. Since we did not set a document
+ # id, the database will store it as a new document, and generate
+ # a valid id.
+ return self.db.create_doc(content)
+
+ def get_all(self):
+ """Get all messages"""
+ return self.db.get_from_index(SEEN_INDEX, "*")
+
+ def get_unseen(self):
+ """Get only unseen messages"""
+ return self.db.get_from_index(SEEN_INDEX, "0")
+
+ def count(self):
+ return len(self.get_all())
+
+
+class SoledadMailbox:
+ """
+ A Soledad-backed IMAP mailbox
+ """
+
+ implements(imap4.IMailboxInfo, imap4.IMailbox, imap4.ICloseableMailbox)
+
+ flags = ('\\Seen', '\\Answered', '\\Flagged',
+ '\\Deleted', '\\Draft', '\\Recent', 'List')
+
+ #messages = []
+ messages = None
+ mUID = 0
+ rw = 1
+ closed = False
+
+ def __init__(self, mbox, soledad=None):
+ # XXX sanity check:
+ #soledad is not None and isinstance(SQLCipherDatabase, soldad._db)
+ self.listeners = []
+ self.addListener = self.listeners.append
+ self.removeListener = self.listeners.remove
+ self._soledad = soledad
+ if soledad:
+ self.messages = MessageCollection(
+ mbox=mbox, db=soledad._db)
+
+ def getFlags(self):
+ return self.messages.db.get_index_keys(FLAGS_INDEX)
+
+ def getUIDValidity(self):
+ return 42
+
+ def getUIDNext(self):
+ return self.messages.count() + 1
+
+ def getMessageCount(self):
+ return self.messages.count()
+
+ def getUnseenCount(self):
+ return len(self.messages.get_unseen())
+
+ def getRecentCount(self):
+ # XXX
+ return 3
+
+ def isWriteable(self):
+ return self.rw
+
+ def destroy(self):
+ pass
+
+ def getHierarchicalDelimiter(self):
+ return '/'
+
+ def requestStatus(self, names):
+ r = {}
+ if 'MESSAGES' in names:
+ r['MESSAGES'] = self.getMessageCount()
+ if 'RECENT' in names:
+ r['RECENT'] = self.getRecentCount()
+ if 'UIDNEXT' in names:
+ r['UIDNEXT'] = self.getMessageCount() + 1
+ if 'UIDVALIDITY' in names:
+ r['UIDVALIDITY'] = self.getUID()
+ if 'UNSEEN' in names:
+ r['UNSEEN'] = self.getUnseenCount()
+ return defer.succeed(r)
+
+ def addMessage(self, message, flags, date=None):
+ # self.messages.add_msg((msg, flags, date, self.mUID))
+ #self.messages.append((message, flags, date, self.mUID))
+ # XXX CHANGE-ME
+ self.messages.add_msg(subject=message, flags=flags, date=date)
+ self.mUID += 1
+ return defer.succeed(None)
+
+ def deleteAllDocs(self):
+ """deletes all docs"""
+ docs = self.messages.db.get_all_docs()[1]
+ for doc in docs:
+ self.messages.db.delete_doc(doc)
+
+ def expunge(self):
+ """deletes all messages flagged \\Deleted"""
+ # XXX FIXME!
+ delete = []
+ for i in self.messages:
+ if '\\Deleted' in i[1]:
+ delete.append(i)
+ for i in delete:
+ self.messages.remove(i)
+ return [i[3] for i in delete]
+
+ def close(self):
+ self.closed = True
diff --git a/src/leap/mail/imap/tests/__init__.py b/src/leap/mail/imap/tests/__init__.py
new file mode 100644
index 0000000..9a4c663
--- /dev/null
+++ b/src/leap/mail/imap/tests/__init__.py
@@ -0,0 +1,232 @@
+#-*- encoding: utf-8 -*-
+"""
+leap/email/imap/tests/__init__.py
+----------------------------------
+Module intialization file for leap.mx.tests, a module containing unittesting
+code, using twisted.trial, for testing leap_mx.
+
+@authors: Kali Kaneko, <kali@leap.se>
+@license: GPLv3, see included LICENSE file
+@copyright: © 2013 Kali Kaneko, see COPYLEFT file
+"""
+
+__all__ = ['test_imap']
+
+
+def run():
+ """xxx fill me in"""
+ pass
+
+import u1db
+
+from leap.common.testing.basetest import BaseLeapTest
+
+from leap.soledad import Soledad
+from leap.soledad.util import GPGWrapper
+from leap.soledad.backends.leap_backend import LeapDocument
+
+
+#-----------------------------------------------------------------------------
+# Some tests inherit from BaseSoledadTest in order to have a working Soledad
+# instance in each test.
+#-----------------------------------------------------------------------------
+
+class BaseSoledadIMAPTest(BaseLeapTest):
+ """
+ Instantiates GPG and Soledad for usage in LeapIMAPServer tests.
+ Copied from BaseSoledadTest, but moving setup to classmethod
+ """
+
+ def setUp(self):
+ # config info
+ self.gnupg_home = "%s/gnupg" % self.tempdir
+ self.db1_file = "%s/db1.u1db" % self.tempdir
+ self.db2_file = "%s/db2.u1db" % self.tempdir
+ self.email = 'leap@leap.se'
+ # open test dbs
+ self._db1 = u1db.open(self.db1_file, create=True,
+ document_factory=LeapDocument)
+ self._db2 = u1db.open(self.db2_file, create=True,
+ document_factory=LeapDocument)
+ # initialize soledad by hand so we can control keys
+ self._soledad = Soledad(self.email, gnupg_home=self.gnupg_home,
+ initialize=False,
+ prefix=self.tempdir)
+ self._soledad._init_dirs()
+ self._soledad._gpg = GPGWrapper(gnupghome=self.gnupg_home)
+ self._soledad._gpg.import_keys(PUBLIC_KEY)
+ self._soledad._gpg.import_keys(PRIVATE_KEY)
+ self._soledad._load_openpgp_keypair()
+ if not self._soledad._has_secret():
+ self._soledad._gen_secret()
+ self._soledad._load_secret()
+ self._soledad._init_db()
+
+ def tearDown(self):
+ self._db1.close()
+ self._db2.close()
+ self._soledad.close()
+
+
+# Key material for testing
+KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF"
+PUBLIC_KEY = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+=MuOY
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+PRIVATE_KEY = """
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+=JTFu
+-----END PGP PRIVATE KEY BLOCK-----
+"""
diff --git a/src/leap/mail/imap/tests/imapclient.py b/src/leap/mail/imap/tests/imapclient.py
new file mode 100755
index 0000000..027396c
--- /dev/null
+++ b/src/leap/mail/imap/tests/imapclient.py
@@ -0,0 +1,206 @@
+#!/usr/bin/env python
+
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+
+"""
+Simple IMAP4 client which connects to our custome
+IMAP4 server: imapserver.py.
+"""
+
+import sys
+
+from twisted.internet import protocol
+from twisted.internet import defer
+from twisted.internet import stdio
+from twisted.mail import imap4
+from twisted.protocols import basic
+from twisted.python import util
+from twisted.python import log
+
+
+class TrivialPrompter(basic.LineReceiver):
+ #from os import linesep as delimiter
+
+ promptDeferred = None
+
+ def prompt(self, msg):
+ assert self.promptDeferred is None
+ self.display(msg)
+ self.promptDeferred = defer.Deferred()
+ return self.promptDeferred
+
+ def display(self, msg):
+ self.transport.write(msg)
+
+ def lineReceived(self, line):
+ if self.promptDeferred is None:
+ return
+ d, self.promptDeferred = self.promptDeferred, None
+ d.callback(line)
+
+
+class SimpleIMAP4Client(imap4.IMAP4Client):
+ """
+ Add callbacks when the client receives greeting messages from
+ an IMAP server.
+ """
+ greetDeferred = None
+
+ def serverGreeting(self, caps):
+ self.serverCapabilities = caps
+ if self.greetDeferred is not None:
+ d, self.greetDeferred = self.greetDeferred, None
+ d.callback(self)
+
+
+class SimpleIMAP4ClientFactory(protocol.ClientFactory):
+ usedUp = False
+ protocol = SimpleIMAP4Client
+
+ def __init__(self, username, onConn):
+ self.username = username
+ self.onConn = onConn
+
+ def buildProtocol(self, addr):
+ assert not self.usedUp
+ self.usedUp = True
+
+ p = self.protocol()
+ p.factory = self
+ p.greetDeferred = self.onConn
+
+ p.registerAuthenticator(imap4.PLAINAuthenticator(self.username))
+ p.registerAuthenticator(imap4.LOGINAuthenticator(self.username))
+ p.registerAuthenticator(
+ imap4.CramMD5ClientAuthenticator(self.username))
+
+ return p
+
+ def clientConnectionFailed(self, connector, reason):
+ d, self.onConn = self.onConn, None
+ d.errback(reason)
+
+
+def cbServerGreeting(proto, username, password):
+ """
+ Initial callback - invoked after the server sends us its greet message.
+ """
+ # Hook up stdio
+ tp = TrivialPrompter()
+ stdio.StandardIO(tp)
+
+ # And make it easily accessible
+ proto.prompt = tp.prompt
+ proto.display = tp.display
+
+ # Try to authenticate securely
+ return proto.authenticate(
+ password).addCallback(
+ cbAuthentication, proto).addErrback(
+ ebAuthentication, proto, username, password)
+
+
+def ebConnection(reason):
+ """
+ Fallback error-handler. If anything goes wrong, log it and quit.
+ """
+ log.startLogging(sys.stdout)
+ log.err(reason)
+ return reason
+
+
+def cbAuthentication(result, proto):
+ """
+ Callback after authentication has succeeded.
+ List a bunch of mailboxes.
+ """
+ return proto.list("", "*"
+ ).addCallback(cbMailboxList, proto
+ )
+
+
+def ebAuthentication(failure, proto, username, password):
+ """
+ Errback invoked when authentication fails.
+ If it failed because no SASL mechanisms match, offer the user the choice
+ of logging in insecurely.
+ If you are trying to connect to your Gmail account, you will be here!
+ """
+ failure.trap(imap4.NoSupportedAuthentication)
+ return proto.prompt(
+ "No secure authentication available. Login insecurely? (y/N) "
+ ).addCallback(cbInsecureLogin, proto, username, password
+ )
+
+
+def cbInsecureLogin(result, proto, username, password):
+ """
+ Callback for "insecure-login" prompt.
+ """
+ if result.lower() == "y":
+ # If they said yes, do it.
+ return proto.login(username, password
+ ).addCallback(cbAuthentication, proto
+ )
+ return defer.fail(Exception("Login failed for security reasons."))
+
+
+def cbMailboxList(result, proto):
+ """
+ Callback invoked when a list of mailboxes has been retrieved.
+ """
+ result = [e[2] for e in result]
+ s = '\n'.join(
+ ['%d. %s' % (n + 1, m) for (n, m) in zip(range(len(result)), result)])
+ if not s:
+ return defer.fail(Exception("No mailboxes exist on server!"))
+ return proto.prompt(s + "\nWhich mailbox? [1] "
+ ).addCallback(cbPickMailbox, proto, result
+ )
+
+
+def cbPickMailbox(result, proto, mboxes):
+ """
+ When the user selects a mailbox, "examine" it.
+ """
+ mbox = mboxes[int(result or '1') - 1]
+ return proto.status(mbox, 'MESSAGES', 'UNSEEN'
+ ).addCallback(cbMboxStatus, proto)
+
+
+def cbMboxStatus(result, proto):
+ print "You have %s messages (%s unseen)!" % (
+ result['MESSAGES'], result['UNSEEN'])
+ return proto.logout()
+
+
+def cbClose(result):
+ """
+ Close the connection when we finish everything.
+ """
+ from twisted.internet import reactor
+ reactor.stop()
+
+
+def main():
+ hostname = raw_input('IMAP4 Server Hostname: ')
+ port = raw_input('IMAP4 Server Port (the default is 143): ')
+ username = raw_input('IMAP4 Username: ')
+ password = util.getPassword('IMAP4 Password: ')
+
+ onConn = defer.Deferred(
+ ).addCallback(cbServerGreeting, username, password
+ ).addErrback(ebConnection
+ ).addBoth(cbClose)
+
+ factory = SimpleIMAP4ClientFactory(username, onConn)
+
+ from twisted.internet import reactor
+ conn = reactor.connectTCP(hostname, int(port), factory)
+ reactor.run()
+
+
+if __name__ == '__main__':
+ main()
diff --git a/src/leap/mail/imap/tests/rfc822.message b/src/leap/mail/imap/tests/rfc822.message
new file mode 100644
index 0000000..ee97ab9
--- /dev/null
+++ b/src/leap/mail/imap/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/imap/tests/test_imap.py b/src/leap/mail/imap/tests/test_imap.py
new file mode 100644
index 0000000..6792e4b
--- /dev/null
+++ b/src/leap/mail/imap/tests/test_imap.py
@@ -0,0 +1,957 @@
+#-*- encoding: utf-8 -*-
+"""
+leap/email/imap/tests/test_imap.py
+----------------------------------
+Test case for leap.email.imap.server
+
+@authors: Kali Kaneko, <kali@leap.se>
+@license: GPLv3, see included LICENSE file
+@copyright: © 2013 Kali Kaneko, see COPYLEFT file
+"""
+
+try:
+ from cStringIO import StringIO
+except ImportError:
+ from StringIO import StringIO
+
+import codecs
+import locale
+import os
+import types
+import tempfile
+import shutil
+
+
+from zope.interface import implements
+
+from twisted.mail.imap4 import MessageSet
+from twisted.mail import imap4
+from twisted.protocols import loopback
+from twisted.internet import defer
+from twisted.internet import error
+from twisted.internet import reactor
+from twisted.internet import interfaces
+from twisted.internet.task import Clock
+from twisted.trial import unittest
+from twisted.python import util, log
+from twisted.python import failure
+
+from twisted import cred
+import twisted.cred.error
+import twisted.cred.checkers
+import twisted.cred.credentials
+import twisted.cred.portal
+
+from twisted.test.proto_helpers import StringTransport, StringTransportWithDisconnection
+
+
+import u1db
+
+from leap.common.testing.basetest import BaseLeapTest
+from leap.mail.imap.server import SoledadMailbox
+from leap.mail.imap.tests import PUBLIC_KEY
+from leap.mail.imap.tests import PRIVATE_KEY
+
+from leap.soledad import Soledad
+from leap.soledad.util import GPGWrapper
+from leap.soledad.backends.leap_backend import LeapDocument
+
+
+def strip(f):
+ return lambda result, f=f: f()
+
+
+def sortNest(l):
+ l = l[:]
+ l.sort()
+ for i in range(len(l)):
+ if isinstance(l[i], types.ListType):
+ l[i] = sortNest(l[i])
+ elif isinstance(l[i], types.TupleType):
+ l[i] = tuple(sortNest(list(l[i])))
+ return l
+
+
+def initialize_soledad(email, gnupg_home, tempdir):
+ """
+ initializes soledad by hand
+ """
+ _soledad = Soledad(email, gnupg_home=gnupg_home,
+ initialize=False,
+ prefix=tempdir)
+ _soledad._init_dirs()
+ _soledad._gpg = GPGWrapper(gnupghome=gnupg_home)
+ _soledad._gpg.import_keys(PUBLIC_KEY)
+ _soledad._gpg.import_keys(PRIVATE_KEY)
+ _soledad._load_openpgp_keypair()
+ if not _soledad._has_secret():
+ _soledad._gen_secret()
+ _soledad._load_secret()
+ _soledad._init_db()
+ return _soledad
+
+
+##########################################
+# account, simpleserver
+##########################################
+
+
+class SoledadBackedAccount(imap4.MemoryAccount):
+ #mailboxFactory = SimpleMailbox
+ mailboxFactory = SoledadMailbox
+ soledadInstance = None
+
+ # XXX should reimplement IAccount -> SoledadAccount
+ # and receive the soledad instance on the constructor.
+ # SoledadMailbox should allow to filter by mailbox name
+ # _soledad db should include mailbox field
+ # and a document with "INDEX" info (mailboxes / subscriptions)
+
+ def _emptyMailbox(self, name, id):
+ return self.mailboxFactory(self.soledadInstance)
+
+ def select(self, name, rw=1):
+ # XXX rethink this.
+ # Need to be classmethods...
+ mbox = imap4.MemoryAccount.select(self, name)
+ if mbox is not None:
+ mbox.rw = rw
+ return mbox
+
+
+class SimpleLEAPServer(imap4.IMAP4Server):
+ def __init__(self, *args, **kw):
+ imap4.IMAP4Server.__init__(self, *args, **kw)
+ realm = TestRealm()
+ realm.theAccount = SoledadBackedAccount('testuser')
+ # XXX soledadInstance here?
+
+ portal = cred.portal.Portal(realm)
+ c = cred.checkers.InMemoryUsernamePasswordDatabaseDontUse()
+ self.checker = c
+ self.portal = portal
+ portal.registerChecker(c)
+ self.timeoutTest = False
+
+ def lineReceived(self, line):
+ if self.timeoutTest:
+ #Do not send a respones
+ return
+
+ imap4.IMAP4Server.lineReceived(self, line)
+
+ _username = 'testuser'
+ _password = 'password-test'
+
+ def authenticateLogin(self, username, password):
+ if username == self._username and password == self._password:
+ return imap4.IAccount, self.theAccount, lambda: None
+ raise cred.error.UnauthorizedLogin()
+
+
+class TestRealm:
+ theAccount = None
+
+ def requestAvatar(self, avatarId, mind, *interfaces):
+ return imap4.IAccount, self.theAccount, lambda: None
+
+######################
+# Test LEAP Server
+######################
+
+
+class SimpleClient(imap4.IMAP4Client):
+
+ def __init__(self, deferred, contextFactory=None):
+ imap4.IMAP4Client.__init__(self, contextFactory)
+ self.deferred = deferred
+ self.events = []
+
+ def serverGreeting(self, caps):
+ self.deferred.callback(None)
+
+ def modeChanged(self, writeable):
+ self.events.append(['modeChanged', writeable])
+ self.transport.loseConnection()
+
+ def flagsChanged(self, newFlags):
+ self.events.append(['flagsChanged', newFlags])
+ self.transport.loseConnection()
+
+ def newMessages(self, exists, recent):
+ self.events.append(['newMessages', exists, recent])
+ self.transport.loseConnection()
+
+
+class IMAP4HelperMixin(BaseLeapTest):
+
+ serverCTX = None
+ clientCTX = None
+
+ @classmethod
+ def setUpClass(cls):
+ cls.old_path = os.environ['PATH']
+ cls.old_home = os.environ['HOME']
+ cls.tempdir = tempfile.mkdtemp(prefix="leap_tests-")
+ cls.home = cls.tempdir
+ bin_tdir = os.path.join(
+ cls.tempdir,
+ 'bin')
+ os.environ["PATH"] = bin_tdir
+ os.environ["HOME"] = cls.tempdir
+
+ # Soledad: config info
+ cls.gnupg_home = "%s/gnupg" % cls.tempdir
+ cls.email = 'leap@leap.se'
+ #cls.db1_file = "%s/db1.u1db" % cls.tempdir
+ #cls.db2_file = "%s/db2.u1db" % cls.tempdir
+ # open test dbs
+ #cls._db1 = u1db.open(cls.db1_file, create=True,
+ #document_factory=LeapDocument)
+ #cls._db2 = u1db.open(cls.db2_file, create=True,
+ #document_factory=LeapDocument)
+
+ # initialize soledad by hand so we can control keys
+ cls._soledad = initialize_soledad(
+ cls.email,
+ cls.gnupg_home,
+ cls.tempdir)
+
+ cls.sm = SoledadMailbox(soledad=cls._soledad)
+
+ @classmethod
+ def tearDownClass(cls):
+ #cls._db1.close()
+ #cls._db2.close()
+ cls._soledad.close()
+
+ os.environ["PATH"] = cls.old_path
+ os.environ["HOME"] = cls.old_home
+ # safety check
+ assert cls.tempdir.startswith('/tmp/leap_tests-')
+ shutil.rmtree(cls.tempdir)
+
+ def setUp(self):
+ d = defer.Deferred()
+ self.server = SimpleLEAPServer(contextFactory=self.serverCTX)
+ self.client = SimpleClient(d, contextFactory=self.clientCTX)
+ self.connected = d
+
+ theAccount = SoledadBackedAccount('testuser')
+ theAccount.soledadInstance = self._soledad
+
+ # XXX used for something???
+ #theAccount.mboxType = SoledadMailbox
+ SimpleLEAPServer.theAccount = theAccount
+
+ def tearDown(self):
+ self.delete_all_docs()
+ del self.server
+ del self.client
+ del self.connected
+
+ def populateMessages(self):
+ 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):
+ self.server.theAccount.messages.deleteAllDocs()
+
+ def _cbStopClient(self, ignore):
+ self.client.transport.loseConnection()
+
+ def _ebGeneral(self, failure):
+ self.client.transport.loseConnection()
+ self.server.transport.loseConnection()
+ log.err(failure, "Problem with %r" % (self.function,))
+
+ def loopback(self):
+ return loopback.loopbackAsync(self.server, self.client)
+
+
+class IMAP4ServerTestCase(IMAP4HelperMixin, unittest.TestCase):
+
+ def testCapability(self):
+ caps = {}
+
+ def getCaps():
+ def gotCaps(c):
+ caps.update(c)
+ self.server.transport.loseConnection()
+ return self.client.getCapabilities().addCallback(gotCaps)
+ d1 = self.connected.addCallback(
+ strip(getCaps)).addErrback(self._ebGeneral)
+ d = defer.gatherResults([self.loopback(), d1])
+ expected = {'IMAP4rev1': None, 'NAMESPACE': None, 'IDLE': None}
+
+ return d.addCallback(lambda _: self.assertEqual(expected, caps))
+
+ def testCapabilityWithAuth(self):
+ caps = {}
+ self.server.challengers[
+ 'CRAM-MD5'] = cred.credentials.CramMD5Credentials
+
+ def getCaps():
+ def gotCaps(c):
+ caps.update(c)
+ self.server.transport.loseConnection()
+ return self.client.getCapabilities().addCallback(gotCaps)
+ d1 = self.connected.addCallback(
+ strip(getCaps)).addErrback(self._ebGeneral)
+ d = defer.gatherResults([self.loopback(), d1])
+
+ expCap = {'IMAP4rev1': None, 'NAMESPACE': None,
+ 'IDLE': None, 'AUTH': ['CRAM-MD5']}
+
+ return d.addCallback(lambda _: self.assertEqual(expCap, caps))
+
+ def testLogout(self):
+ self.loggedOut = 0
+
+ def logout():
+ def setLoggedOut():
+ self.loggedOut = 1
+ self.client.logout().addCallback(strip(setLoggedOut))
+ self.connected.addCallback(strip(logout)).addErrback(self._ebGeneral)
+ d = self.loopback()
+ return d.addCallback(lambda _: self.assertEqual(self.loggedOut, 1))
+
+ def testNoop(self):
+ self.responses = None
+
+ def noop():
+ def setResponses(responses):
+ self.responses = responses
+ self.server.transport.loseConnection()
+ self.client.noop().addCallback(setResponses)
+ self.connected.addCallback(strip(noop)).addErrback(self._ebGeneral)
+ d = self.loopback()
+ return d.addCallback(lambda _: self.assertEqual(self.responses, []))
+
+ def testLogin(self):
+ def login():
+ d = self.client.login('testuser', 'password-test')
+ d.addCallback(self._cbStopClient)
+ d1 = self.connected.addCallback(strip(login)).addErrback(self._ebGeneral)
+ d = defer.gatherResults([d1, self.loopback()])
+ return d.addCallback(self._cbTestLogin)
+
+ def _cbTestLogin(self, ignored):
+ self.assertEqual(self.server.account, SimpleLEAPServer.theAccount)
+ self.assertEqual(self.server.state, 'auth')
+
+ def testFailedLogin(self):
+ def login():
+ d = self.client.login('testuser', 'wrong-password')
+ d.addBoth(self._cbStopClient)
+
+ d1 = self.connected.addCallback(strip(login)).addErrback(self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ return d.addCallback(self._cbTestFailedLogin)
+
+ def _cbTestFailedLogin(self, ignored):
+ self.assertEqual(self.server.account, None)
+ self.assertEqual(self.server.state, 'unauth')
+
+
+ def testLoginRequiringQuoting(self):
+ self.server._username = '{test}user'
+ self.server._password = '{test}password'
+
+ def login():
+ d = self.client.login('{test}user', '{test}password')
+ d.addBoth(self._cbStopClient)
+
+ d1 = self.connected.addCallback(strip(login)).addErrback(self._ebGeneral)
+ d = defer.gatherResults([self.loopback(), d1])
+ return d.addCallback(self._cbTestLoginRequiringQuoting)
+
+ def _cbTestLoginRequiringQuoting(self, ignored):
+ self.assertEqual(self.server.account, SimpleLEAPServer.theAccount)
+ self.assertEqual(self.server.state, 'auth')
+
+
+ def testNamespace(self):
+ self.namespaceArgs = None
+ def login():
+ return self.client.login('testuser', 'password-test')
+ def namespace():
+ def gotNamespace(args):
+ self.namespaceArgs = args
+ self._cbStopClient(None)
+ return self.client.namespace().addCallback(gotNamespace)
+
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallback(strip(namespace))
+ d1.addErrback(self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ d.addCallback(lambda _: self.assertEqual(self.namespaceArgs,
+ [[['', '/']], [], []]))
+ return d
+
+ def testSelect(self):
+ SimpleLEAPServer.theAccount.addMailbox('test-mailbox')
+ self.selectedArgs = None
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def select():
+ def selected(args):
+ self.selectedArgs = args
+ self._cbStopClient(None)
+ d = self.client.select('test-mailbox')
+ d.addCallback(selected)
+ return d
+
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallback(strip(select))
+ d1.addErrback(self._ebGeneral)
+ d2 = self.loopback()
+ return defer.gatherResults([d1, d2]).addCallback(self._cbTestSelect)
+
+ def _cbTestSelect(self, ignored):
+ mbox = SimpleLEAPServer.theAccount.mailboxes['TEST-MAILBOX']
+ self.assertEqual(self.server.mbox, mbox)
+ self.assertEqual(self.selectedArgs, {
+ 'EXISTS': 9, 'RECENT': 3, 'UIDVALIDITY': 42,
+ 'FLAGS': ('\\Seen', '\\Answered', '\\Flagged',
+ '\\Deleted', '\\Draft', '\\Recent', 'List'),
+ 'READ-WRITE': 1
+ })
+
+ def test_examine(self):
+ """
+ L{IMAP4Client.examine} issues an I{EXAMINE} command to the server and
+ returns a L{Deferred} which fires with a C{dict} with as many of the
+ following keys as the server includes in its response: C{'FLAGS'},
+ C{'EXISTS'}, C{'RECENT'}, C{'UNSEEN'}, C{'READ-WRITE'}, C{'READ-ONLY'},
+ C{'UIDVALIDITY'}, and C{'PERMANENTFLAGS'}.
+
+ Unfortunately the server doesn't generate all of these so it's hard to
+ test the client's handling of them here. See
+ L{IMAP4ClientExamineTests} below.
+
+ See U{RFC 3501<http://www.faqs.org/rfcs/rfc3501.html>}, section 6.3.2,
+ for details.
+ """
+ SimpleLEAPServer.theAccount.addMailbox('test-mailbox')
+ self.examinedArgs = None
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def examine():
+ def examined(args):
+ self.examinedArgs = args
+ self._cbStopClient(None)
+ d = self.client.examine('test-mailbox')
+ d.addCallback(examined)
+ return d
+
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallback(strip(examine))
+ d1.addErrback(self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ return d.addCallback(self._cbTestExamine)
+
+ def _cbTestExamine(self, ignored):
+ mbox = SimpleLEAPServer.theAccount.mailboxes['TEST-MAILBOX']
+ self.assertEqual(self.server.mbox, mbox)
+ self.assertEqual(self.examinedArgs, {
+ 'EXISTS': 9, 'RECENT': 3, 'UIDVALIDITY': 42,
+ 'FLAGS': ('\\Seen', '\\Answered', '\\Flagged',
+ '\\Deleted', '\\Draft', '\\Recent', 'List'),
+ 'READ-WRITE': False})
+
+ def testCreate(self):
+ succeed = ('testbox', 'test/box', 'test/', 'test/box/box', 'INBOX')
+ fail = ('testbox', 'test/box')
+
+ def cb():
+ self.result.append(1)
+
+ def eb(failure):
+ self.result.append(0)
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def create():
+ for name in succeed + fail:
+ d = self.client.create(name)
+ d.addCallback(strip(cb)).addErrback(eb)
+ d.addCallbacks(self._cbStopClient, self._ebGeneral)
+
+ self.result = []
+ d1 = self.connected.addCallback(strip(login)).addCallback(
+ strip(create))
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ return d.addCallback(self._cbTestCreate, succeed, fail)
+
+ def _cbTestCreate(self, ignored, succeed, fail):
+ self.assertEqual(self.result, [1] * len(succeed) + [0] * len(fail))
+ mbox = SimpleLEAPServer.theAccount.mailboxes.keys()
+ answers = ['inbox', 'testbox', 'test/box', 'test', 'test/box/box']
+ mbox.sort()
+ answers.sort()
+ self.assertEqual(mbox, [a.upper() for a in answers])
+
+ def testDelete(self):
+ SimpleLEAPServer.theAccount.addMailbox('delete/me')
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def delete():
+ return self.client.delete('delete/me')
+
+ d1 = self.connected.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(SimpleLEAPServer.theAccount.mailboxes.keys(), []))
+ return d
+
+ def testIllegalInboxDelete(self):
+ self.stashed = None
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def delete():
+ return self.client.delete('inbox')
+
+ def stash(result):
+ self.stashed = result
+
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallbacks(strip(delete), self._ebGeneral)
+ d1.addBoth(stash)
+ d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ d.addCallback(lambda _: self.failUnless(isinstance(self.stashed,
+ failure.Failure)))
+ return d
+
+ def testNonExistentDelete(self):
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def delete():
+ return self.client.delete('delete/me')
+
+ def deleteFailed(failure):
+ self.failure = failure
+
+ self.failure = None
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallback(strip(delete)).addErrback(deleteFailed)
+ d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ d.addCallback(lambda _: self.assertEqual(str(self.failure.value),
+ 'No such mailbox'))
+ return d
+
+ def testIllegalDelete(self):
+ m = SoledadMailbox()
+ m.flags = (r'\Noselect',)
+ SimpleLEAPServer.theAccount.addMailbox('delete', m)
+ SimpleLEAPServer.theAccount.addMailbox('delete/me')
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def delete():
+ 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.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ expected = ("Hierarchically inferior mailboxes exist "
+ "and \\Noselect is set")
+ d.addCallback(lambda _:
+ self.assertEqual(str(self.failure.value), expected))
+ return d
+
+ def testRename(self):
+ SimpleLEAPServer.theAccount.addMailbox('oldmbox')
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def rename():
+ return self.client.rename('oldmbox', 'newname')
+
+ d1 = self.connected.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(
+ SimpleLEAPServer.theAccount.mailboxes.keys(),
+ ['NEWNAME']))
+ return d
+
+ def testIllegalInboxRename(self):
+ self.stashed = None
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def rename():
+ return self.client.rename('inbox', 'frotz')
+
+ def stash(stuff):
+ self.stashed = stuff
+
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallbacks(strip(rename), self._ebGeneral)
+ d1.addBoth(stash)
+ d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ d.addCallback(lambda _:
+ self.failUnless(isinstance(
+ self.stashed, failure.Failure)))
+ return d
+
+ def testHierarchicalRename(self):
+ SimpleLEAPServer.theAccount.create('oldmbox/m1')
+ SimpleLEAPServer.theAccount.create('oldmbox/m2')
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def rename():
+ return self.client.rename('oldmbox', 'newname')
+
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallbacks(strip(rename), self._ebGeneral)
+ d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ return d.addCallback(self._cbTestHierarchicalRename)
+
+ def _cbTestHierarchicalRename(self, ignored):
+ mboxes = SimpleLEAPServer.theAccount.mailboxes.keys()
+ expected = ['newname', 'newname/m1', 'newname/m2']
+ mboxes.sort()
+ self.assertEqual(mboxes, [s.upper() for s in expected])
+
+ def testSubscribe(self):
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def subscribe():
+ return self.client.subscribe('this/mbox')
+
+ d1 = self.connected.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(SimpleLEAPServer.theAccount.subscriptions,
+ ['THIS/MBOX']))
+ return d
+
+ def testUnsubscribe(self):
+ SimpleLEAPServer.theAccount.subscriptions = ['THIS/MBOX', 'THAT/MBOX']
+ def login():
+ return self.client.login('testuser', 'password-test')
+ def unsubscribe():
+ return self.client.unsubscribe('this/mbox')
+
+ d1 = self.connected.addCallback(strip(login))
+ 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(SimpleLEAPServer.theAccount.subscriptions,
+ ['THAT/MBOX']))
+ return d
+
+ def _listSetup(self, f):
+ SimpleLEAPServer.theAccount.addMailbox('root/subthing')
+ SimpleLEAPServer.theAccount.addMailbox('root/another-thing')
+ SimpleLEAPServer.theAccount.addMailbox('non-root/subthing')
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def listed(answers):
+ self.listed = answers
+
+ self.listed = None
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallbacks(strip(f), self._ebGeneral)
+ d1.addCallbacks(listed, self._ebGeneral)
+ d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ return defer.gatherResults([d1, d2]).addCallback(lambda _: self.listed)
+
+ def testList(self):
+ def list():
+ return self.client.list('root', '%')
+ d = self._listSetup(list)
+ d.addCallback(lambda listed: self.assertEqual(
+ sortNest(listed),
+ sortNest([
+ (SoledadMailbox.flags, "/", "ROOT/SUBTHING"),
+ (SoledadMailbox.flags, "/", "ROOT/ANOTHER-THING")
+ ])
+ ))
+ return d
+
+ def testLSub(self):
+ SimpleLEAPServer.theAccount.subscribe('ROOT/SUBTHING')
+
+ def lsub():
+ return self.client.lsub('root', '%')
+ d = self._listSetup(lsub)
+ d.addCallback(self.assertEqual,
+ [(SoledadMailbox.flags, "/", "ROOT/SUBTHING")])
+ return d
+
+ def testStatus(self):
+ SimpleLEAPServer.theAccount.addMailbox('root/subthing')
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def status():
+ return self.client.status(
+ 'root/subthing', 'MESSAGES', 'UIDNEXT', 'UNSEEN')
+
+ def statused(result):
+ self.statused = result
+
+ self.statused = None
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallbacks(strip(status), self._ebGeneral)
+ d1.addCallbacks(statused, self._ebGeneral)
+ d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ d.addCallback(lambda _: self.assertEqual(
+ self.statused,
+ {'MESSAGES': 9, 'UIDNEXT': '10', 'UNSEEN': 4}
+ ))
+ return d
+
+ def testFailedStatus(self):
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def status():
+ return self.client.status(
+ 'root/nonexistent', 'MESSAGES', 'UIDNEXT', 'UNSEEN')
+
+ def statused(result):
+ self.statused = result
+
+ def failed(failure):
+ self.failure = failure
+
+ self.statused = self.failure = None
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallbacks(strip(status), self._ebGeneral)
+ d1.addCallbacks(statused, failed)
+ d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ return defer.gatherResults([d1, d2]).addCallback(
+ self._cbTestFailedStatus)
+
+ def _cbTestFailedStatus(self, ignored):
+ self.assertEqual(
+ self.statused, None
+ )
+ self.assertEqual(
+ self.failure.value.args,
+ ('Could not open mailbox',)
+ )
+
+ def testFullAppend(self):
+ infile = util.sibpath(__file__, 'rfc822.message')
+ message = open(infile)
+ SimpleLEAPServer.theAccount.addMailbox('root/subthing')
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def append():
+ return self.client.append(
+ 'root/subthing',
+ message,
+ ('\\SEEN', '\\DELETED'),
+ 'Tue, 17 Jun 2003 11:22:16 -0600 (MDT)',
+ )
+
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallbacks(strip(append), self._ebGeneral)
+ d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ return d.addCallback(self._cbTestFullAppend, infile)
+
+ def _cbTestFullAppend(self, ignored, infile):
+ mb = SimpleLEAPServer.theAccount.mailboxes['ROOT/SUBTHING']
+ self.assertEqual(1, len(mb.messages))
+ self.assertEqual(
+ (['\\SEEN', '\\DELETED'], 'Tue, 17 Jun 2003 11:22:16 -0600 (MDT)', 0),
+ mb.messages[0][1:]
+ )
+ self.assertEqual(open(infile).read(), mb.messages[0][0].getvalue())
+
+ def testPartialAppend(self):
+ infile = util.sibpath(__file__, 'rfc822.message')
+ message = open(infile)
+ SimpleLEAPServer.theAccount.addMailbox('PARTIAL/SUBTHING')
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def append():
+ message = file(infile)
+ return self.client.sendCommand(
+ imap4.Command(
+ 'APPEND',
+ 'PARTIAL/SUBTHING (\\SEEN) "Right now" {%d}' % os.path.getsize(infile),
+ (), self.client._IMAP4Client__cbContinueAppend, message
+ )
+ )
+ d1 = self.connected.addCallback(strip(login))
+ d1.addCallbacks(strip(append), self._ebGeneral)
+ d1.addCallbacks(self._cbStopClient, self._ebGeneral)
+ d2 = self.loopback()
+ d = defer.gatherResults([d1, d2])
+ return d.addCallback(self._cbTestPartialAppend, infile)
+
+ def _cbTestPartialAppend(self, ignored, infile):
+ mb = SimpleLEAPServer.theAccount.mailboxes['PARTIAL/SUBTHING']
+ self.assertEqual(1, len(mb.messages))
+ self.assertEqual(
+ (['\\SEEN'], 'Right now', 0),
+ mb.messages[0][1:]
+ )
+ self.assertEqual(open(infile).read(), mb.messages[0][0].getvalue())
+
+ def testCheck(self):
+ SimpleLEAPServer.theAccount.addMailbox('root/subthing')
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def select():
+ return self.client.select('root/subthing')
+
+ def check():
+ return self.client.check()
+
+ d = self.connected.addCallback(strip(login))
+ 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):
+ m = SoledadMailbox()
+ m.messages = [
+ ('Message 1', ('\\Deleted', 'AnotherFlag'), None, 0),
+ ('Message 2', ('AnotherFlag',), None, 1),
+ ('Message 3', ('\\Deleted',), None, 2),
+ ]
+ SimpleLEAPServer.theAccount.addMailbox('mailbox', m)
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def select():
+ return self.client.select('mailbox')
+
+ def close():
+ return self.client.close()
+
+ d = self.connected.addCallback(strip(login))
+ d.addCallbacks(strip(select), 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)
+ self.assertEqual(m.messages[0],
+ ('Message 2', ('AnotherFlag',), None, 1))
+ self.failUnless(m.closed)
+
+ def testExpunge(self):
+ m = SoledadMailbox()
+ m.messages = [
+ ('Message 1', ('\\Deleted', 'AnotherFlag'), None, 0),
+ ('Message 2', ('AnotherFlag',), None, 1),
+ ('Message 3', ('\\Deleted',), None, 2),
+ ]
+ SimpleLEAPServer.theAccount.addMailbox('mailbox', m)
+
+ def login():
+ return self.client.login('testuser', 'password-test')
+
+ def select():
+ return self.client.select('mailbox')
+
+ def expunge():
+ return self.client.expunge()
+
+ def expunged(results):
+ self.failIf(self.server.mbox is None)
+ self.results = results
+
+ self.results = None
+ d1 = self.connected.addCallback(strip(login))
+ 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)
+
+ def _cbTestExpunge(self, ignored, m):
+ self.assertEqual(len(m.messages), 1)
+ self.assertEqual(m.messages[0],
+ ('Message 2', ('AnotherFlag',), None, 1))
+
+ self.assertEqual(self.results, [0, 2])
+
+
+
+class IMAP4ServerSearchTestCase(IMAP4HelperMixin, unittest.TestCase):
+ """
+ Tests for the behavior of the search_* functions in L{imap4.IMAP4Server}.
+ """
+ pass
diff --git a/src/leap/mail/smtp/README.rst b/src/leap/mail/smtp/README.rst
new file mode 100644
index 0000000..2b2a118
--- /dev/null
+++ b/src/leap/mail/smtp/README.rst
@@ -0,0 +1,43 @@
+Leap SMTP Relay
+===============
+
+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 relayed to provider's SMTP relay
+
+
+Dependencies
+------------
+
+Leap SMTP Relay depends on the following python libraries:
+
+ * Twisted 12.3.0 [1]
+ * zope.interface 4.0.3 [2]
+
+[1] http://pypi.python.org/pypi/Twisted/12.3.0
+[2] http://pypi.python.org/pypi/zope.interface/4.0.3
+
+
+How to run
+----------
+
+To launch the SMTP relay, run the following command:
+
+ twistd -y smtprelay.tac
+
+
+Running tests
+-------------
+
+Tests are run using Twisted's Trial API, like this:
+
+ trial leap.email.smtp.tests
diff --git a/src/leap/mail/smtp/__init__.py b/src/leap/mail/smtp/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/leap/mail/smtp/__init__.py
diff --git a/src/leap/mail/smtp/smtprelay.py b/src/leap/mail/smtp/smtprelay.py
new file mode 100644
index 0000000..6479873
--- /dev/null
+++ b/src/leap/mail/smtp/smtprelay.py
@@ -0,0 +1,246 @@
+"""
+LEAP SMTP encrypted relay.
+"""
+
+import re
+import gnupg
+from zope.interface import implements
+from StringIO import StringIO
+from twisted.mail import smtp
+from twisted.internet.protocol import ServerFactory
+from twisted.internet import reactor
+from twisted.internet import defer
+from twisted.application import internet, service
+from twisted.python import log
+from email.Header import Header
+from leap import soledad
+
+
+class SMTPInfoNotAvailable(Exception):
+ pass
+
+
+class SMTPFactory(ServerFactory):
+ """
+ Factory for an SMTP server with encrypted relaying capabilities.
+ """
+
+ def __init__(self, soledad, gpg=None):
+ self._soledad = soledad
+ self._gpg = gpg
+
+ def buildProtocol(self, addr):
+ "Return a protocol suitable for the job."
+ # TODO: use ESMTP here.
+ smtpProtocol = smtp.SMTP(SMTPDelivery(self._soledad, self._gpg))
+ smtpProtocol.factory = self
+ return smtpProtocol
+
+
+class SMTPDelivery(object):
+ """
+ Validate email addresses and handle message delivery.
+ """
+
+ implements(smtp.IMessageDelivery)
+
+ def __init__(self, soledad, gpg=None):
+ self._soledad = soledad
+ if gpg:
+ self._gpg = gpg
+ else:
+ self._gpg = GPGWrapper()
+
+ def receivedHeader(self, helo, origin, recipients):
+ myHostname, clientIP = helo
+ headerValue = "by %s from %s with ESMTP ; %s" % (
+ myHostname, clientIP, smtp.rfc822date())
+ # email.Header.Header used for automatic wrapping of long lines
+ return "Received: %s" % Header(headerValue)
+
+ def validateTo(self, user):
+ """Assert existence of and trust on recipient's GPG public key."""
+ # try to find recipient's public key
+ try:
+ # this will raise an exception if key is not found
+ trust = self._gpg.find_key(user.dest.addrstr)['trust']
+ # if key is not ultimatelly trusted, then the message will not
+ # be encrypted. So, we check for this below
+ #if trust != 'u':
+ # raise smtp.SMTPBadRcpt(user)
+ log.msg("Accepting mail for %s..." % user.dest)
+ return lambda: EncryptedMessage(user, soledad=self._soledad,
+ gpg=self._gpg)
+ except LookupError:
+ # if key was not found, check config to see if will send anyway.
+ if self.encrypted_only:
+ raise smtp.SMTPBadRcpt(user)
+ # TODO: send signal to cli/gui that this user's key was not found?
+ log.msg("Warning: will send an unencrypted message (because "
+ "encrypted_only' is set to False).")
+
+ def validateFrom(self, helo, originAddress):
+ # accept mail from anywhere. To reject an address, raise
+ # smtp.SMTPBadSender here.
+ return originAddress
+
+
+class EncryptedMessage():
+ """
+ Receive plaintext from client, encrypt it and send message to a
+ recipient.
+ """
+ implements(smtp.IMessage)
+
+ SMTP_HOSTNAME = "mail.leap.se"
+ SMTP_PORT = 25
+
+ def __init__(self, user, soledad, gpg=None):
+ self.user = user
+ self._soledad = soledad
+ self.fetchConfig()
+ self.lines = []
+ if gpg:
+ self._gpg = gpg
+ else:
+ self._gpg = GPGWrapper()
+
+ def lineReceived(self, line):
+ """Store email DATA lines as they arrive."""
+ self.lines.append(line)
+
+ def eomReceived(self):
+ """Encrypt and send message."""
+ log.msg("Message data complete.")
+ self.lines.append('') # add a trailing newline
+ self.parseMessage()
+ try:
+ self.encrypt()
+ return self.sendMessage()
+ except LookupError:
+ return None
+
+ def parseMessage(self):
+ """Separate message headers from body."""
+ sep = self.lines.index('')
+ self.headers = self.lines[:sep]
+ self.body = self.lines[sep + 1:]
+
+ def connectionLost(self):
+ log.msg("Connection lost unexpectedly!")
+ log.err()
+ # unexpected loss of connection; don't save
+ self.lines = []
+
+ def sendSuccess(self, r):
+ log.msg(r)
+
+ def sendError(self, e):
+ log.msg(e)
+ log.err()
+
+ def prepareHeader(self):
+ self.headers.insert(1, "From: %s" % self.user.orig.addrstr)
+ self.headers.insert(2, "To: %s" % self.user.dest.addrstr)
+ self.headers.append('')
+
+ def sendMessage(self):
+ self.prepareHeader()
+ msg = '\n'.join(self.headers + [self.cyphertext])
+ d = defer.Deferred()
+ factory = smtp.ESMTPSenderFactory(self.smtp_username,
+ self.smtp_password,
+ self.smtp_username,
+ self.user.dest.addrstr,
+ StringIO(msg),
+ d)
+ # the next call is TSL-powered!
+ reactor.connectTCP(self.SMTP_HOSTNAME, self.SMTP_PORT, factory)
+ d.addCallback(self.sendSuccess)
+ d.addErrback(self.sendError)
+ return d
+
+ def encrypt(self, always_trust=True):
+ # TODO: do not "always trust" here.
+ try:
+ fp = self._gpg.find_key(self.user.dest.addrstr)['fingerprint']
+ log.msg("Encrypting to %s" % fp)
+ self.cyphertext = str(
+ self._gpg.encrypt(
+ '\n'.join(self.body), [fp], always_trust=always_trust))
+ except LookupError:
+ if self.encrypted_only:
+ raise
+ log.msg("Warning: sending unencrypted mail (because "
+ "'encrypted_only' is set to False).")
+
+ # this will be replaced by some other mechanism of obtaining credentials
+ # for SMTP server.
+ def fetchConfig(self):
+ # TODO: Soledad/LEAP bootstrap should store the SMTP info on local db,
+ # so this relay can load it when it needs.
+ if not self._soledad:
+ # TODO: uncomment below exception when integration with Soledad is
+ # smooth.
+ #raise SMTPInfoNotAvailable()
+ # TODO: remove dummy settings below when soledad bootstrap is
+ # working.
+ self.smtp_host = ''
+ self.smtp_port = ''
+ self.smtp_username = ''
+ self.smtp_password = ''
+ self.encrypted_only = True
+ else:
+ self.smtp_config = self._soledad.get_doc('smtp_relay_config')
+ for confname in [
+ 'smtp_host', 'smtp_port', 'smtp_username',
+ 'smtp_password', 'encrypted_only',
+ ]:
+ setattr(self, confname, doc.content[confname])
+
+
+class GPGWrapper():
+ """
+ This is a temporary class for handling GPG requests, and should be
+ replaced by a more general class used throughout the project.
+ """
+
+ GNUPG_HOME = "~/.config/leap/gnupg"
+ GNUPG_BINARY = "/usr/bin/gpg" # TODO: change this based on OS
+
+ def __init__(self, gpghome=GNUPG_HOME, gpgbinary=GNUPG_BINARY):
+ self.gpg = gnupg.GPG(gnupghome=gpghome, gpgbinary=gpgbinary)
+
+ def find_key(self, email):
+ """
+ Find user's key based on their email.
+ """
+ for key in self.gpg.list_keys():
+ for uid in key['uids']:
+ if re.search(email, uid):
+ return key
+ raise LookupError("GnuPG public key for %s not found!" % email)
+
+ def encrypt(self, data, recipient, always_trust=True):
+ # TODO: do not 'always_trust'.
+ return self.gpg.encrypt(data, recipient, always_trust=always_trust)
+
+ def decrypt(self, data):
+ return self.gpg.decrypt(data)
+
+ def import_keys(self, data):
+ return self.gpg.import_keys(data)
+
+
+# service configuration
+port = 25
+user_email = 'user@leap.se' # TODO: replace for real mail from gui/cli
+
+# instantiate soledad for client app storage and sync
+s = soledad.Soledad(user_email)
+factory = SMTPFactory(s)
+
+# enable the use of this service with twistd
+application = service.Application("LEAP SMTP Relay")
+service = internet.TCPServer(port, factory)
+service.setServiceParent(application)
diff --git a/src/leap/mail/smtp/tests/185CA770.key b/src/leap/mail/smtp/tests/185CA770.key
new file mode 100644
index 0000000..587b416
--- /dev/null
+++ b/src/leap/mail/smtp/tests/185CA770.key
@@ -0,0 +1,79 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
+lQIVBFCJNL4BEADFsI1TCD4yq7ZqL7VhdVviTuX6JUps8/mVEhRVOZhojLcTYaqQ
+gs6T6WabRxcK7ymOnf4K8NhYdz6HFoJN46BT87etokx7J/Sl2OhpiqBQEY+jW8Rp
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+=6HcJ
+-----END PGP PRIVATE KEY BLOCK-----
diff --git a/src/leap/mail/smtp/tests/185CA770.pub b/src/leap/mail/smtp/tests/185CA770.pub
new file mode 100644
index 0000000..38af19f
--- /dev/null
+++ b/src/leap/mail/smtp/tests/185CA770.pub
@@ -0,0 +1,52 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+q3iu
+=RChS
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/src/leap/mail/smtp/tests/__init__.py b/src/leap/mail/smtp/tests/__init__.py
new file mode 100644
index 0000000..d7b942a
--- /dev/null
+++ b/src/leap/mail/smtp/tests/__init__.py
@@ -0,0 +1,218 @@
+import os
+import shutil
+import tempfile
+
+from twisted.trial import unittest
+
+from leap.common.testing.basetest import BaseLeapTest
+from leap.mail.smtp.smtprelay import GPGWrapper
+
+
+class OpenPGPTestCase(unittest.TestCase, BaseLeapTest):
+
+ def setUp(self):
+ # mimic LeapBaseTest.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
+ self.gnupg_home = self.tempdir + '/gnupg'
+ os.mkdir(self.gnupg_home)
+ self.email = 'leap@leap.se'
+ self._gpg = GPGWrapper(gpghome=self.gnupg_home)
+
+ self.assertEqual(self._gpg.import_keys(PUBLIC_KEY).summary(),
+ '1 imported', "error importing public key")
+ self.assertEqual(self._gpg.import_keys(PRIVATE_KEY).summary(),
+ # note that gnupg does not return a successful import
+ # for private keys. Bug?
+ '0 imported', "error importing private key")
+
+ def tearDown(self):
+ # mimic LeapBaseTest.tearDownClass behaviour
+ os.environ["PATH"] = self.old_path
+ os.environ["HOME"] = self.old_home
+ # safety check
+ assert self.tempdir.startswith('/tmp/leap_tests-')
+ shutil.rmtree(self.tempdir)
+
+ def test_openpgp_encrypt_decrypt(self):
+ "Test if openpgp can encrypt and decrypt."
+ text = "simple raw text"
+ encrypted = str(self._gpg.encrypt(text, KEY_FINGERPRINT,
+ # TODO: handle always trust issue
+ always_trust=True))
+ self.assertNotEqual(text, encrypted, "failed encrypting text")
+ decrypted = str(self._gpg.decrypt(encrypted))
+ self.assertEqual(text, decrypted, "failed decrypting text")
+
+
+# Key material for testing
+KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF"
+PUBLIC_KEY = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+=MuOY
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+PRIVATE_KEY = """
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+
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+=JTFu
+-----END PGP PRIVATE KEY BLOCK-----
+"""
diff --git a/src/leap/mail/smtp/tests/mail.txt b/src/leap/mail/smtp/tests/mail.txt
new file mode 100644
index 0000000..9542047
--- /dev/null
+++ b/src/leap/mail/smtp/tests/mail.txt
@@ -0,0 +1,10 @@
+HELO drebs@riseup.net
+MAIL FROM: drebs@riseup.net
+RCPT TO: drebs@riseup.net
+RCPT TO: drebs@leap.se
+DATA
+Subject: leap test
+
+Hello world!
+.
+QUIT
diff --git a/src/leap/mail/smtp/tests/test_smtprelay.py b/src/leap/mail/smtp/tests/test_smtprelay.py
new file mode 100644
index 0000000..eaa4d04
--- /dev/null
+++ b/src/leap/mail/smtp/tests/test_smtprelay.py
@@ -0,0 +1,78 @@
+from datetime import datetime
+import re
+from leap.email.smtp.smtprelay import (
+ SMTPFactory,
+ #SMTPDelivery, # an object
+ EncryptedMessage,
+)
+from leap.email.smtp import tests
+from twisted.test import proto_helpers
+from twisted.mail.smtp import User
+
+
+# some regexps
+IP_REGEX = "(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}" + \
+ "([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])"
+HOSTNAME_REGEX = "(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*" + \
+ "([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])"
+IP_OR_HOST_REGEX = '(' + IP_REGEX + '|' + HOSTNAME_REGEX + ')'
+
+
+class TestSmtpRelay(tests.OpenPGPTestCase):
+
+ EMAIL_DATA = ['HELO relay.leap.se',
+ 'MAIL FROM: <user@leap.se>',
+ 'RCPT TO: <leap@leap.se>',
+ 'DATA',
+ 'From: User <user@leap.se>',
+ 'To: Leap <leap@leap.se>',
+ 'Date: ' + datetime.now().strftime('%c'),
+ 'Subject: test message',
+ '',
+ 'This is a secret message.',
+ 'Yours,',
+ 'A.',
+ '',
+ '.',
+ 'QUIT']
+
+ def assertMatch(self, string, pattern, msg=None):
+ if not re.match(pattern, string):
+ msg = self._formatMessage(msg, '"%s" does not match pattern "%s".'
+ % (string, pattern))
+ raise self.failureException(msg)
+
+ def test_relay_accepts_valid_email(self):
+ """
+ Test if SMTP server responds correctly for valid interaction.
+ """
+
+ SMTP_ANSWERS = ['220 ' + IP_OR_HOST_REGEX +
+ ' NO UCE NO UBE NO RELAY PROBES',
+ '250 ' + IP_OR_HOST_REGEX + ' Hello ' +
+ IP_OR_HOST_REGEX + ', nice to meet you',
+ '250 Sender address accepted',
+ '250 Recipient address accepted',
+ '354 Continue']
+ proto = SMTPFactory(None, self._gpg).buildProtocol(('127.0.0.1', 0))
+ transport = proto_helpers.StringTransport()
+ proto.makeConnection(transport)
+ 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]))
+ proto.setTimeout(None)
+
+ def test_message_encrypt(self):
+ """
+ Test if message gets encrypted to destination email.
+ """
+ proto = SMTPFactory(None, self._gpg).buildProtocol(('127.0.0.1', 0))
+ user = User('leap@leap.se', 'relay.leap.se', proto, 'leap@leap.se')
+ m = EncryptedMessage(user, None, self._gpg)
+ for line in self.EMAIL_DATA[4:12]:
+ m.lineReceived(line)
+ m.parseMessage()
+ m.encrypt()
+ decrypted = str(self._gpg.decrypt(m.cyphertext))
+ self.assertEqual('\n'.join(self.EMAIL_DATA[9:12]), decrypted)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 08:46:52 +0000