diff options
-rw-r--r-- | changelog.d/6968.bugfix | 1 | ||||
-rw-r--r-- | synapse/handlers/federation.py | 22 | ||||
-rw-r--r-- | synapse/storage/data_stores/main/room.py | 17 |
3 files changed, 30 insertions, 10 deletions
diff --git a/changelog.d/6968.bugfix b/changelog.d/6968.bugfix new file mode 100644 index 0000000000..9965bfc0c3 --- /dev/null +++ b/changelog.d/6968.bugfix @@ -0,0 +1 @@ +Fix `duplicate key` error which was logged when rejoining a room over federation. diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index a689065f89..fb0a586eaa 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1323,16 +1323,18 @@ class FederationHandler(BaseHandler): logger.debug("do_invite_join event: %s", event) - try: - await self.store.store_room( - room_id=room_id, - room_creator_user_id="", - is_public=False, - room_version=room_version_obj, - ) - except Exception: - # FIXME - pass + # if this is the first time we've joined this room, it's time to add + # a row to `rooms` with the correct room version. If there's already a + # row there, we should override it, since it may have been populated + # based on an invite request which lied about the room version. + # + # federation_client.send_join has already checked that the room + # version in the received create event is the same as room_version_obj, + # so we can rely on it now. + # + await self.store.upsert_room_on_join( + room_id=room_id, room_version=room_version_obj, + ) await self._persist_auth_tree( origin, auth_chain, state, event, room_version_obj diff --git a/synapse/storage/data_stores/main/room.py b/synapse/storage/data_stores/main/room.py index 9a17e336ba..70137dfbe4 100644 --- a/synapse/storage/data_stores/main/room.py +++ b/synapse/storage/data_stores/main/room.py @@ -954,6 +954,23 @@ class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore): self.config = hs.config + async def upsert_room_on_join(self, room_id: str, room_version: RoomVersion): + """Ensure that the room is stored in the table + + Called when we join a room over federation, and overwrites any room version + currently in the table. + """ + await self.db.simple_upsert( + desc="upsert_room_on_join", + table="rooms", + keyvalues={"room_id": room_id}, + values={"room_version": room_version.identifier}, + insertion_values={"is_public": False, "creator": ""}, + # rooms has a unique constraint on room_id, so no need to lock when doing an + # emulated upsert. + lock=False, + ) + @defer.inlineCallbacks def store_room( self, |