Add an EventValidator. Fix bugs in auth ++ storage

1 files changed, 20 insertions, 18 deletions

diff --git a/synapse/storage/room.py b/synapse/storage/room.py
index ca70506d28..cc0513b8d2 100644
--- a/synapse/storage/room.py
+++ b/synapse/storage/room.py
@@ -133,26 +133,28 @@ class RoomStore(SQLBaseStore):
         defer.returnValue(ret)
 
     def _store_room_topic_txn(self, txn, event):
-        self._simple_insert_txn(
-            txn,
-            "topics",
-            {
-                "event_id": event.event_id,
-                "room_id": event.room_id,
-                "topic": event.topic,
-            }
-        )
+        if hasattr(event, "topic"):
+            self._simple_insert_txn(
+                txn,
+                "topics",
+                {
+                    "event_id": event.event_id,
+                    "room_id": event.room_id,
+                    "topic": event.topic,
+                }
+            )
 
     def _store_room_name_txn(self, txn, event):
-        self._simple_insert_txn(
-            txn,
-            "room_names",
-            {
-                "event_id": event.event_id,
-                "room_id": event.room_id,
-                "name": event.name,
-            }
-        )
+        if hasattr(event, "name"):
+            self._simple_insert_txn(
+                txn,
+                "room_names",
+                {
+                    "event_id": event.event_id,
+                    "room_id": event.room_id,
+                    "name": event.name,
+                }
+            )
 
 
 class RoomsTable(Table):