From 833f5a3cb8352cf81962817ec7ed69b982891a80 Mon Sep 17 00:00:00 2001
From: Tomas Touceda <chiiph@leap.se>
Date: Thu, 25 Apr 2013 11:35:07 -0300
Subject: Add check recipient access

---
 src/leap/mx/check_recipient_access.py | 59 +++++++++++++++++++++++++++++++++++
 start_mx.py                           |  5 +++
 2 files changed, 64 insertions(+)
 create mode 100644 src/leap/mx/check_recipient_access.py

diff --git a/src/leap/mx/check_recipient_access.py b/src/leap/mx/check_recipient_access.py
new file mode 100644
index 0000000..8d03297
--- /dev/null
+++ b/src/leap/mx/check_recipient_access.py
@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8 -*-
+# check_recipient_access.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/>.
+
+"""
+Classes for resolving postfix recipient access
+"""
+
+import logging
+
+try:
+    from twisted.protocols import postfix
+except ImportError:
+    print "This software requires Twisted. Please see the README file"
+    print "for instructions on getting required dependencies."
+
+logger = logging.getLogger(__name__)
+
+
+class CheckRecipientAccess(postfix.PostfixTCPMapServer):
+    def _cbGot(self, value):
+        if value is None:
+            self.sendCode(500)
+        else:
+            self.sendCode(200)
+
+
+class CheckRecipientAccessFactory(postfix.PostfixTCPMapDeferringDictServerFactory):
+
+    protocol = CheckRecipientAccess
+
+    def __init__(self, couchdb, *args, **kwargs):
+        postfix.PostfixTCPMapDeferringDictServerFactory.__init__(self, *args, **kwargs)
+        self._cdb = couchdb
+
+    def get(self, key):
+        orig_key = key
+        try:
+            key = key.split("@")[0]
+            key = key.split("+")[0]
+        except Exception as e:
+            key = orig_key
+            logger.exception("%s" % (e,))
+        d = self._cdb.queryByLoginOrAlias(key)
+        return d
diff --git a/start_mx.py b/start_mx.py
index 067011f..20ea554 100755
--- a/start_mx.py
+++ b/start_mx.py
@@ -26,6 +26,7 @@ from functools import partial
 try:
     from leap.mx import couchdbhelper, mail_receiver
     from leap.mx.alias_resolver import AliasResolverFactory
+    from leap.mx.check_recipient_access import CheckRecipientAccessFactory
 except ImportError, ie:
     print "%s \nExiting... \n" % ie.message
     raise
@@ -124,4 +125,8 @@ if __name__ == "__main__":
     alias_endpoint = TCP4ServerEndpoint(reactor, 4242)
     alias_endpoint.listen(AliasResolverFactory(couchdb=cdb))
 
+    # Check recipient access
+    check_recipient = TCP4ServerEndpoint(reactor, 2244)
+    check_recipient.listen(CheckRecipientAccessFactory(couchdb=cdb))
+
     reactor.run()
-- 
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