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#
# Copyright (c) 2014 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
import logging
import os
import requests
import random
from leap.mail.smtp import setup_smtp_gateway
from pixelated.bitmask_libraries.certs import LeapCertificate
logger = logging.getLogger(__name__)
class LeapSmtp(object):
def __init__(self, provider, auth, keymanager=None):
self.local_smtp_port_number = random.randrange(12000, 16000)
self._provider = provider
self.username = auth.username
self.session_id = auth.session_id
self.user_token = auth.token
self._keymanager = keymanager
self._remote_hostname, self._remote_port = provider.smtp_info()
self._local_smtp_service_socket = None
self._local_smtp_service = None
def start(self):
cert_path = self._provider._client_cert_path()
email = '%s@%s' % (self.username, self._provider.domain)
self._local_smtp_service, self._local_smtp_service_socket = setup_smtp_gateway(
port=self.local_smtp_port_number,
userid=str(email),
keymanager=self._keymanager,
smtp_host=self._remote_hostname.encode('UTF-8'),
smtp_port=self._remote_port,
smtp_cert=cert_path,
smtp_key=cert_path,
encrypted_only=False
)
def ensure_running(self):
if not self._local_smtp_service:
try:
self.start()
except:
logger.warning("Couldn't start the SMTP server now, will try again when the user tries to use it")
return False
return True
def stop(self):
if self._local_smtp_service is not None:
self._local_smtp_service_socket.stopListening()
self._local_smtp_service.doStop()
self._local_smtp_service_socket = None
self._local_smtp_service = None
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