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import ConfigParser
import os
from xdg import BaseDirectory
from twisted.application import internet, service
from twisted.internet.protocol import ServerFactory
from twisted.mail import imap4
from twisted.python import log
from leap.common.check import leap_assert, leap_assert_type
from leap.mail.imap.server import SoledadBackedAccount
from leap.mail.imap.fetch import LeapIncomingMail
from leap.soledad import Soledad
# Some constants
# XXX Should be passed to initializer too.
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
IMAP_PORT = 9930
# The port in which imap service will run
INCOMING_CHECK_PERIOD = 10
# The period between succesive checks of the incoming mail
# queue (in seconds)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LeapIMAPServer(imap4.IMAP4Server):
"""
An IMAP4 Server with mailboxes backed by soledad
"""
def __init__(self, *args, **kwargs):
# pop extraneous arguments
soledad = kwargs.pop('soledad', None)
user = kwargs.pop('user', None)
leap_assert(soledad, "need a soledad instance")
leap_assert_type(soledad, Soledad)
leap_assert(user, "need a user in the initialization")
# initialize imap server!
imap4.IMAP4Server.__init__(self, *args, **kwargs)
# we should initialize the account here,
# but we move it to the factory so we can
# populate the test account properly (and only once
# per session)
# theAccount = SoledadBackedAccount(
# user, soledad=soledad)
# ---------------------------------
# XXX pre-populate acct for tests!!
# populate_test_account(theAccount)
# ---------------------------------
#self.theAccount = theAccount
def lineReceived(self, line):
log.msg('rcv: %s' % line)
imap4.IMAP4Server.lineReceived(self, line)
def authenticateLogin(self, username, password):
# all is allowed so far. use realm instead
return imap4.IAccount, self.theAccount, lambda: None
class IMAPAuthRealm(object):
"""
Dummy authentication realm. Do not use in production!
"""
theAccount = None
def requestAvatar(self, avatarId, mind, *interfaces):
return imap4.IAccount, self.theAccount, lambda: None
class LeapIMAPFactory(ServerFactory):
"""
Factory for a IMAP4 server with soledad remote sync and gpg-decryption
capabilities.
"""
def __init__(self, user, soledad):
self._user = user
self._soledad = soledad
theAccount = SoledadBackedAccount(
user, soledad=soledad)
self.theAccount = theAccount
def buildProtocol(self, addr):
"Return a protocol suitable for the job."
imapProtocol = LeapIMAPServer(
user=self._user,
soledad=self._soledad)
imapProtocol.theAccount = self.theAccount
imapProtocol.factory = self
return imapProtocol
def initialize_soledad_mailbox(user_uuid, soledad_pass, server_url,
server_pemfile, token):
"""
Initializes soledad by hand
:param user_uuid:
:param soledad_pass:
:param server_url:
:param server_pemfile:
:param token:
:rtype: Soledad instance
"""
base_config = BaseDirectory.xdg_config_home
secret_path = os.path.join(
base_config, "leap", "soledad", "%s.secret" % user_uuid)
soledad_path = os.path.join(
base_config, "leap", "soledad", "%s-mailbox.db" % user_uuid)
_soledad = Soledad(
user_uuid,
soledad_pass,
secret_path,
soledad_path,
server_url,
server_pemfile,
token)
return _soledad
#######################################################################
# XXX STUBBED! We need to get this in the instantiation from the client
config = ConfigParser.ConfigParser()
config.read([os.path.expanduser('~/.config/leap/mail/mail.conf')])
userID = config.get('mail', 'address')
privkey = open(os.path.expanduser('~/.config/leap/mail/privkey')).read()
nickserver_url = ""
d = {}
for key in ('uid', 'passphrase', 'server', 'pemfile', 'token'):
d[key] = config.get('mail', key)
soledad = initialize_soledad_mailbox(
d['uid'],
d['passphrase'],
d['server'],
d['pemfile'],
d['token'])
# import the private key ---- should sync it from remote!
from leap.common.keymanager.openpgp import OpenPGPScheme
opgp = OpenPGPScheme(soledad)
opgp.put_ascii_key(privkey)
from leap.common.keymanager import KeyManager
keym = KeyManager(userID, nickserver_url, soledad, d['token'])
factory = LeapIMAPFactory(userID, soledad)
application = service.Application("LEAP IMAP4 Local Service")
imapService = internet.TCPServer(IMAP_PORT, factory)
imapService.setServiceParent(application)
fetcher = LeapIncomingMail(
keym,
soledad,
factory.theAccount)
internet.TimerService(
INCOMING_CHECK_PERIOD,
fetcher.fetch).setServiceParent(application)
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