Merge remote-tracking branch 'refs/remotes/ivan/feature/refactor-soledad-to-backend' into develop

1 files changed, 103 insertions, 0 deletions

diff --git a/src/leap/bitmask/services/mail/imapcontroller.py b/src/leap/bitmask/services/mail/imapcontroller.py
new file mode 100644
index 00000000..d0bf4c34
--- /dev/null
+++ b/src/leap/bitmask/services/mail/imapcontroller.py
@@ -0,0 +1,103 @@
+# -*- 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()