From 739ea29d1ecbdf414db1f5062c8a2aeaa519f4ff Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Wed, 10 Aug 2016 13:32:23 +0100
Subject: [PATCH] Also check if server is in the room

---
 synapse/handlers/federation.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 2f8959db92..ff6bb475b5 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -1106,11 +1106,16 @@ class FederationHandler(BaseHandler):
                 )
 
             if do_auth:
+                in_room = yield self.auth.check_host_in_room(
+                    event.room_id,
+                    origin
+                )
+                if not in_room:
+                    raise AuthError(403, "Host not in room.")
+
                 events = yield self._filter_events_for_server(
                     origin, event.room_id, [event]
                 )
-                if not events:
-                    raise AuthError(403, "Host not in room.")
 
                 event = events[0]
 
-- 
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