diff options
Diffstat (limited to 'src/leap/bitmask/mail/imap/service')
| -rw-r--r-- | src/leap/bitmask/mail/imap/service/README.rst | 39 | ||||
| -rw-r--r-- | src/leap/bitmask/mail/imap/service/__init__.py | 0 | ||||
| -rw-r--r-- | src/leap/bitmask/mail/imap/service/imap-server.tac | 145 | ||||
| -rw-r--r-- | src/leap/bitmask/mail/imap/service/imap.py | 208 | ||||
| -rw-r--r-- | src/leap/bitmask/mail/imap/service/manhole.py | 130 | ||||
| -rw-r--r-- | src/leap/bitmask/mail/imap/service/notes.txt | 81 | ||||
| -rw-r--r-- | src/leap/bitmask/mail/imap/service/rfc822.message | 86 |
7 files changed, 689 insertions, 0 deletions
diff --git a/src/leap/bitmask/mail/imap/service/README.rst b/src/leap/bitmask/mail/imap/service/README.rst new file mode 100644 index 00000000..2cca9b38 --- /dev/null +++ b/src/leap/bitmask/mail/imap/service/README.rst @@ -0,0 +1,39 @@ +testing the service +=================== + +Run the twisted service:: + + twistd -n -y imap-server.tac + +And use offlineimap for tests:: + + offlineimap -c LEAPofflineimapRC-tests + +minimal offlineimap configuration +--------------------------------- + +[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 = 9930 +remoteuser = user +remotepass = pass + +debugging +--------- + +Use ngrep to obtain logs of the sequences:: + + sudo ngrep -d lo -W byline port 9930 diff --git a/src/leap/bitmask/mail/imap/service/__init__.py b/src/leap/bitmask/mail/imap/service/__init__.py new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/src/leap/bitmask/mail/imap/service/__init__.py diff --git a/src/leap/bitmask/mail/imap/service/imap-server.tac b/src/leap/bitmask/mail/imap/service/imap-server.tac new file mode 100644 index 00000000..c4d602db --- /dev/null +++ b/src/leap/bitmask/mail/imap/service/imap-server.tac @@ -0,0 +1,145 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# imap-server.tac +# 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/>. +""" +TAC file for initialization of the imap service using twistd. + +Use this for debugging and testing the imap server using a native reactor. + +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. +""" + +# TODO -- this .tac file should be deprecated in favor of bitmask.core.bitmaskd + +import ConfigParser +import getpass +import os +import sys + +from leap.keymanager import KeyManager +from leap.mail.imap.service import imap +from leap.soledad.client import Soledad + +from twisted.application import service, internet + + +# TODO should get this initializers from some authoritative mocked source +# We might want to put them the soledad itself. + +def initialize_soledad(uuid, email, passwd, + secrets, localdb, + 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 + """ + server_url = "http://provider" + cert_file = "" + + soledad = Soledad( + uuid, + passwd, + secrets, + localdb, + server_url, + cert_file, + syncable=False) + + return soledad + +###################################################################### +# Remember to set your config files, see module documentation above! +###################################################################### + +print "[+] Running LEAP IMAP Service" + + +bmconf = os.environ.get("LEAP_MAIL_CONFIG", "") +if not bmconf: + print ("[-] Please set LEAP_MAIL_CONFIG environment variable " + "pointing to your config.") + sys.exit(1) + +SECTION = "leap_mail" +cp = ConfigParser.ConfigParser() +cp.read(bmconf) + +userid = cp.get(SECTION, "userid") +uuid = cp.get(SECTION, "uuid") +passwd = unicode(cp.get(SECTION, "passwd")) + +# XXX get this right from the environment variable !!! +port = 1984 + +if not userid or not uuid: + print "[-] Config file missing userid or uuid field" + sys.exit(1) + +if not passwd: + passwd = unicode(getpass.getpass("Soledad passphrase: ")) + + +secrets = os.path.expanduser("~/.config/leap/soledad/%s.secret" % (uuid,)) +localdb = os.path.expanduser("~/.config/leap/soledad/%s.db" % (uuid,)) + +# XXX Is this really used? Should point it to user var dirs defined in xdg? +gnupg_home = "/tmp/" +tempdir = "/tmp/" + +################################################### + +# Ad-hoc soledad/keymanager initialization. + +print "[~] user:", userid +soledad = initialize_soledad(uuid, userid, passwd, secrets, + localdb, gnupg_home, tempdir, userid=userid) +km_args = (userid, "https://localhost", soledad) +km_kwargs = { + "token": "", + "ca_cert_path": "", + "api_uri": "", + "api_version": "", + "uid": uuid, + "gpgbinary": "/usr/bin/gpg" +} +keymanager = KeyManager(*km_args, **km_kwargs) + +################################################## + +# Ok, let's expose the application object for the twistd application +# framework to pick up from here... + + +def getIMAPService(): + soledad_sessions = {userid: soledad} + factory = imap.LeapIMAPFactory(soledad_sessions) + return internet.TCPServer(port, factory, interface="localhost") + + +application = service.Application("LEAP IMAP Application") +service = getIMAPService() +service.setServiceParent(application) diff --git a/src/leap/bitmask/mail/imap/service/imap.py b/src/leap/bitmask/mail/imap/service/imap.py new file mode 100644 index 00000000..4663854a --- /dev/null +++ b/src/leap/bitmask/mail/imap/service/imap.py @@ -0,0 +1,208 @@ +# -*- coding: utf-8 -*- +# imap.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/>. +""" +IMAP Service Initialization. +""" +import logging +import os + +from collections import defaultdict + +from twisted.cred.portal import Portal, IRealm +from twisted.mail.imap4 import IAccount +from twisted.internet import defer +from twisted.internet import reactor +from twisted.internet.error import CannotListenError +from twisted.internet.protocol import ServerFactory +from twisted.python import log +from zope.interface import implementer + +from leap.common.events import emit_async, catalog +from leap.mail.cred import LocalSoledadTokenChecker +from leap.mail.imap.account import IMAPAccount +from leap.mail.imap.server import LEAPIMAPServer + +# TODO: leave only an implementor of IService in here + +logger = logging.getLogger(__name__) + +DO_MANHOLE = os.environ.get("LEAP_MAIL_MANHOLE", None) +if DO_MANHOLE: + from leap.mail.imap.service import manhole + +# The default port in which imap service will run + +IMAP_PORT = 1984 + +# +# Credentials Handling +# + + +@implementer(IRealm) +class LocalSoledadIMAPRealm(object): + + _encoding = 'utf-8' + + def __init__(self, soledad_sessions): + """ + :param soledad_sessions: a dict-like object, containing instances + of a Store (soledad instances), indexed by + userid. + """ + self._soledad_sessions = soledad_sessions + + def requestAvatar(self, avatarId, mind, *interfaces): + if isinstance(avatarId, str): + avatarId = avatarId.decode(self._encoding) + + def gotSoledad(soledad): + for iface in interfaces: + if iface is IAccount: + avatar = IMAPAccount(soledad, avatarId) + return (IAccount, avatar, + getattr(avatar, 'logout', lambda: None)) + raise NotImplementedError(self, interfaces) + + return self.lookupSoledadInstance(avatarId).addCallback(gotSoledad) + + def lookupSoledadInstance(self, userid): + soledad = self._soledad_sessions[userid] + # XXX this should return the instance after whenReady callback + return defer.succeed(soledad) + + +class IMAPTokenChecker(LocalSoledadTokenChecker): + """A credentials checker that will lookup a token for the IMAP service. + For now it will be using the same identifier than SMTPTokenChecker""" + + service = 'mail_auth' + + +class LocalSoledadIMAPServer(LEAPIMAPServer): + + """ + An IMAP Server that authenticates against a LocalSoledad store. + """ + + def __init__(self, soledad_sessions, *args, **kw): + + LEAPIMAPServer.__init__(self, *args, **kw) + + realm = LocalSoledadIMAPRealm(soledad_sessions) + portal = Portal(realm) + checker = IMAPTokenChecker(soledad_sessions) + self.checker = checker + self.portal = portal + portal.registerChecker(checker) + + +class LeapIMAPFactory(ServerFactory): + + """ + Factory for a IMAP4 server with soledad remote sync and gpg-decryption + capabilities. + """ + + protocol = LocalSoledadIMAPServer + + def __init__(self, soledad_sessions): + """ + Initializes the server factory. + + :param soledad_sessions: a dict-like object, containing instances + of a Store (soledad instances), indexed by + userid. + """ + self._soledad_sessions = soledad_sessions + self._connections = defaultdict() + + def buildProtocol(self, addr): + """ + Return a protocol suitable for the job. + + :param addr: remote ip address + :type addr: str + """ + # TODO should reject anything from addr != localhost, + # just in case. + log.msg("Building protocol for connection %s" % addr) + imapProtocol = self.protocol(self._soledad_sessions) + self._connections[addr] = imapProtocol + return imapProtocol + + 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). + """ + return ServerFactory.doStop(self) + + +def run_service(soledad_sessions, port=IMAP_PORT): + """ + Main entry point to run the service from the client. + + :param soledad_sessions: a dict-like object, containing instances + of a Store (soledad instances), indexed by userid. + + :returns: the port as returned by the reactor when starts listening, and + the factory for the protocol. + :rtype: tuple + """ + factory = LeapIMAPFactory(soledad_sessions) + + try: + interface = "localhost" + # don't bind just to localhost if we are running on docker since we + # won't be able to access imap from the host + if os.environ.get("LEAP_DOCKERIZED"): + interface = '' + + # TODO use Endpoints !!! + tport = reactor.listenTCP(port, factory, + interface=interface) + except CannotListenError: + logger.error("IMAP Service failed to start: " + "cannot listen in port %s" % (port,)) + except Exception as exc: + logger.error("Error launching IMAP service: %r" % (exc,)) + else: + # all good. + + if DO_MANHOLE: + # TODO get pass from env var.too. + manhole_factory = manhole.getManholeFactory( + {'f': factory, + 'gm': factory.theAccount.getMailbox}, + "boss", "leap") + # TODO use Endpoints !!! + reactor.listenTCP(manhole.MANHOLE_PORT, manhole_factory, + interface="127.0.0.1") + logger.debug("IMAP4 Server is RUNNING in port %s" % (port,)) + emit_async(catalog.IMAP_SERVICE_STARTED, str(port)) + + # FIXME -- change service signature + return tport, factory + + # not ok, signal error. + emit_async(catalog.IMAP_SERVICE_FAILED_TO_START, str(port)) diff --git a/src/leap/bitmask/mail/imap/service/manhole.py b/src/leap/bitmask/mail/imap/service/manhole.py new file mode 100644 index 00000000..c83ae899 --- /dev/null +++ b/src/leap/bitmask/mail/imap/service/manhole.py @@ -0,0 +1,130 @@ +# -*- coding: utf-8 -*- +# manhole.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/>. +""" +Utilities for enabling the manhole administrative interface into the +LEAP Mail application. +""" +MANHOLE_PORT = 2222 + + +def getManholeFactory(namespace, user, secret): + """ + Get an administrative manhole into the application. + + :param namespace: the namespace to show in the manhole + :type namespace: dict + :param user: the user to authenticate into the administrative shell. + :type user: str + :param secret: pass for this manhole + :type secret: str + """ + import string + + from twisted.cred.portal import Portal + from twisted.conch import manhole, manhole_ssh + from twisted.conch.insults import insults + from twisted.cred.checkers import ( + InMemoryUsernamePasswordDatabaseDontUse as MemoryDB) + + from rlcompleter import Completer + + class EnhancedColoredManhole(manhole.ColoredManhole): + """ + A Manhole with some primitive autocomplete support. + """ + # TODO use introspection to make life easier + + def find_common(self, l): + """ + find common parts in thelist items + ex: 'ab' for ['abcd','abce','abf'] + requires an ordered list + """ + if len(l) == 1: + return l[0] + + init = l[0] + for item in l[1:]: + for i, (x, y) in enumerate(zip(init, item)): + if x != y: + init = "".join(init[:i]) + break + + if not init: + return None + return init + + def handle_TAB(self): + """ + Trap the TAB keystroke. + """ + necessarypart = "".join(self.lineBuffer).split(' ')[-1] + completer = Completer(globals()) + if completer.complete(necessarypart, 0): + matches = list(set(completer.matches)) # has multiples + + if len(matches) == 1: + length = len(necessarypart) + self.lineBuffer = self.lineBuffer[:-length] + self.lineBuffer.extend(matches[0]) + self.lineBufferIndex = len(self.lineBuffer) + else: + matches.sort() + commons = self.find_common(matches) + if commons: + length = len(necessarypart) + self.lineBuffer = self.lineBuffer[:-length] + self.lineBuffer.extend(commons) + self.lineBufferIndex = len(self.lineBuffer) + + self.terminal.nextLine() + while matches: + matches, part = matches[4:], matches[:4] + for item in part: + self.terminal.write('%s' % item.ljust(30)) + self.terminal.write('\n') + self.terminal.nextLine() + + self.terminal.eraseLine() + self.terminal.cursorBackward(self.lineBufferIndex + 5) + self.terminal.write("%s %s" % ( + self.ps[self.pn], "".join(self.lineBuffer))) + + def keystrokeReceived(self, keyID, modifier): + """ + Act upon any keystroke received. + """ + self.keyHandlers.update({'\b': self.handle_BACKSPACE}) + m = self.keyHandlers.get(keyID) + if m is not None: + m() + elif keyID in string.printable: + self.characterReceived(keyID, False) + + sshRealm = manhole_ssh.TerminalRealm() + + def chainedProtocolFactory(): + return insults.ServerProtocol(EnhancedColoredManhole, namespace) + + sshRealm = manhole_ssh.TerminalRealm() + sshRealm.chainedProtocolFactory = chainedProtocolFactory + + portal = Portal( + sshRealm, [MemoryDB(**{user: secret})]) + + f = manhole_ssh.ConchFactory(portal) + return f diff --git a/src/leap/bitmask/mail/imap/service/notes.txt b/src/leap/bitmask/mail/imap/service/notes.txt new file mode 100644 index 00000000..623e1224 --- /dev/null +++ b/src/leap/bitmask/mail/imap/service/notes.txt @@ -0,0 +1,81 @@ +T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP] +* OK [CAPABILITY IMAP4rev1 IDLE NAMESPACE] Twisted IMAP4rev1 Ready. + +## +T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP] +NCLJ1 CAPABILITY. + +## +T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP] +* CAPABILITY IMAP4rev1 IDLE NAMESPACE. +NCLJ1 OK CAPABILITY completed. + +## +T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP] +NCLJ2 LOGIN user "pass". + +# +T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP] +NCLJ2 OK LOGIN succeeded. + +## +T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP] +NCLJ3 CAPABILITY. + +# +T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP] +* CAPABILITY IMAP4rev1 IDLE NAMESPACE. +NCLJ3 OK CAPABILITY completed. + +# +T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP] +NCLJ4 LIST "" "". + +## +T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP] +* LIST (\Seen \Answered \Flagged \Deleted \Draft \Recent List) "/" "INBOX". +NCLJ4 OK LIST completed. + +# +T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP] +NCLJ5 LIST "" "*". + +## +T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP] +* LIST (\Seen \Answered \Flagged \Deleted \Draft \Recent List) "/" "INBOX". +NCLJ5 OK LIST completed. + +# +T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP] +NCLJ6 SELECT INBOX. + +# +T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP] +* 0 EXISTS. +* 3 RECENT. +* FLAGS (\Seen \Answered \Flagged \Deleted \Draft \Recent List). +* OK [UIDVALIDITY 42]. +NCLJ6 OK [READ-WRITE] SELECT successful. + +# +T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP] +NCLJ7 EXAMINE INBOX. + +## +T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP] +* 0 EXISTS. +* 3 RECENT. +* FLAGS (\Seen \Answered \Flagged \Deleted \Draft \Recent List). +* OK [UIDVALIDITY 42]. +NCLJ7 OK [READ-ONLY] EXAMINE successful. + +# +T 127.0.0.1:42866 -> 127.0.0.1:9930 [AP] +NCLJ8 LOGOUT. + +## +T 127.0.0.1:9930 -> 127.0.0.1:42866 [AP] +* BYE Nice talking to you. +NCLJ8 OK LOGOUT successful. + + diff --git a/src/leap/bitmask/mail/imap/service/rfc822.message b/src/leap/bitmask/mail/imap/service/rfc822.message new file mode 100644 index 00000000..ee97ab92 --- /dev/null +++ b/src/leap/bitmask/mail/imap/service/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 |