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# -*- coding: utf-8 -*-
# imapcontroller.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/>.
"""
IMAP service controller.
"""
import logging
from leap.bitmask.services.mail import imap
logger = logging.getLogger(__name__)
class IMAPController(object):
"""
IMAP Controller.
"""
def __init__(self, soledad, keymanager):
"""
Initialize IMAP variables.
:param soledad: a transparent proxy that eventually will point to a
Soledad Instance.
:type soledad: zope.proxy.ProxyBase
:param keymanager: a transparent proxy that eventually will point to a
Keymanager Instance.
:type keymanager: zope.proxy.ProxyBase
"""
self._soledad = soledad
self._keymanager = keymanager
self.imap_service = None
self.imap_port = None
self.imap_factory = None
def start_imap_service(self, userid, offline=False):
"""
Start IMAP service.
:param userid: user id, in the form "user@provider"
:type userid: str
:param offline: whether imap should start in offline mode or not.
:type offline: bool
"""
logger.debug('Starting imap service')
self.imap_service, self.imap_port, \
self.imap_factory = imap.start_imap_service(
self._soledad,
self._keymanager,
userid=userid,
offline=offline)
if offline is False:
logger.debug("Starting loop")
self.imap_service.start_loop()
def stop_imap_service(self, cv):
"""
Stop IMAP service (fetcher, factory and port).
:param cv: A condition variable to which we can signal when imap
indeed stops.
:type cv: threading.Condition
"""
if self.imap_service is not None:
# Stop the loop call in the fetcher
self.imap_service.stop()
self.imap_service = None
# Stop listening on the IMAP port
self.imap_port.stopListening()
# Stop the protocol
self.imap_factory.theAccount.closed = True
self.imap_factory.doStop(cv)
else:
# Release the condition variable so the caller doesn't have to wait
cv.acquire()
cv.notify()
cv.release()
def fetch_incoming_mail(self):
"""
Fetch incoming mail.
"""
if self.imap_service:
logger.debug('Client connected, fetching mail...')
self.imap_service.fetch()
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