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# -*- coding: utf-8 -*-
# service.py
# Copyright (C) 2013-2016 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
SMTP gateway helper function.
"""
import os
from twisted.internet import reactor
from twisted.internet.error import CannotListenError
from twisted.logger import Logger
from leap.common.events import emit_async, catalog
from leap.bitmask.mail.smtp.gateway import SMTPFactory
log = Logger()
SMTP_PORT = 2013
def run_service(outgoing_sessions, soledad_sessions, port=SMTP_PORT,
factory=None):
"""
Main entry point to run the service from the client.
:param outgoing_sessions: a dict-like object, containing instances
of outgoing, indexed by userid.
:param soledad_sessions: a dict-like object, containing instances
of a Store (soledad instances), indexed by userid.
:param factory: a factory for the protocol that will listen in the given
port
:returns: the port as returned by the reactor when starts listening, and
the factory for the protocol.
:rtype: tuple
"""
if not factory:
factory = SMTPFactory(outgoing_sessions, 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 smtp from the host
if os.environ.get("LEAP_DOCKERIZED"):
interface = ''
# TODO Use Endpoints instead --------------------------------
tport = reactor.listenTCP(port, factory, interface=interface)
emit_async(catalog.SMTP_SERVICE_STARTED, str(port))
return tport, factory
except CannotListenError:
log.error('STMP Service failed to start: '
'cannot listen in port %s' % port)
emit_async(catalog.SMTP_SERVICE_FAILED_TO_START, str(port))
except Exception as exc:
log.error('Unhandled error while launching smtp gateway service')
log.error('%r' % exc)
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