Fix thinko whereby events *for the AS specifically* were not passed on.

This was caused by not explicitly checking the service.sender field. This
has now been fixed and a regression test has been added.

synapse/appservice/__init__.py

@@ -199,7 +199,10 @@ class ApplicationService(object):
             return self._matches_user(event, member_list)
 
     def is_interested_in_user(self, user_id):
-        return self._matches_regex(user_id, ApplicationService.NS_USERS)
+        return (
+            self._matches_regex(user_id, ApplicationService.NS_USERS)
+            or user_id == self.sender
+        )
 
     def is_interested_in_alias(self, alias):
         return self._matches_regex(alias, ApplicationService.NS_ALIASES)

tests/appservice/test_appservice.py

@@ -199,6 +199,19 @@ class ApplicationServiceTestCase(unittest.TestCase):
             aliases_for_event=["#xmpp_barfoo:matrix.org"]
         ))
 
+    def test_interested_in_self(self):
+        # make sure invites get through
+        self.service.sender = "@appservice:name"
+        self.service.namespaces[ApplicationService.NS_USERS].append(
+            _regex("@irc_.*")
+        )
+        self.event.type = "m.room.member"
+        self.event.content = {
+            "membership": "invite"
+        }
+        self.event.state_key = self.service.sender
+        self.assertTrue(self.service.is_interested(self.event))
+
     def test_member_list_match(self):
         self.service.namespaces[ApplicationService.NS_USERS].append(
             _regex("@irc_.*")