From 23fbf0eabb6563b05a7264dff63af7fbe64cfdff Mon Sep 17 00:00:00 2001
From: Tomas Touceda <chiiph@leap.se>
Date: Thu, 25 Apr 2013 13:01:01 -0300
Subject: Simplify check recipient access, change the owner field in
 mail_receiver

---
 src/leap/mx/alias_resolver.py         |  4 ++++
 src/leap/mx/check_recipient_access.py | 26 ++++----------------------
 src/leap/mx/mail_receiver.py          |  4 +++-
 3 files changed, 11 insertions(+), 23 deletions(-)

diff --git a/src/leap/mx/alias_resolver.py b/src/leap/mx/alias_resolver.py
index 8155ff9..3f93f0d 100644
--- a/src/leap/mx/alias_resolver.py
+++ b/src/leap/mx/alias_resolver.py
@@ -53,6 +53,10 @@ class AliasResolverFactory(postfix.PostfixTCPMapDeferringDictServerFactory):
         orig_key = key
         try:
             logger.debug("Processing key: %s" % (key,))
+            if key.find("@") == -1:
+                logger.debug("Ignoring key since it's not an email address")
+                return None
+
             key = key.split("@")[0]
             key = key.split("+")[0]
             logger.debug("Final key to query: %s" % (key,))
diff --git a/src/leap/mx/check_recipient_access.py b/src/leap/mx/check_recipient_access.py
index 8d03297..3ea6e91 100644
--- a/src/leap/mx/check_recipient_access.py
+++ b/src/leap/mx/check_recipient_access.py
@@ -22,11 +22,9 @@ 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."
+from twisted.protocols import postfix
+
+from leap.mx.alias_resolver import AliasResolverFactory
 
 logger = logging.getLogger(__name__)
 
@@ -39,21 +37,5 @@ class CheckRecipientAccess(postfix.PostfixTCPMapServer):
             self.sendCode(200)
 
 
-class CheckRecipientAccessFactory(postfix.PostfixTCPMapDeferringDictServerFactory):
-
+class CheckRecipientAccessFactory(AliasResolverFactory):
     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/src/leap/mx/mail_receiver.py b/src/leap/mx/mail_receiver.py
index ae32f25..9006471 100644
--- a/src/leap/mx/mail_receiver.py
+++ b/src/leap/mx/mail_receiver.py
@@ -105,7 +105,9 @@ def _process_incoming_email(users_db, mail_couchdb_url_prefix, self, filepath, m
         with filepath.open("r") as f:
             mail_data = f.read()
             mail = message_from_string(mail_data)
-            owner = mail["Delivered-To"]
+            owner = mail["To"]
+            if owner is None:  # default to Delivered-To
+                owner = mail["Delivered-To"]
             owner = owner.split("@")[0]
             owner = owner.split("+")[0]
             logger.debug("Mail owner: %s" % (owner,))
-- 
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