diff options
| -rw-r--r-- | changelog.d/14102.bugfix | 1 | ||||
| -rw-r--r-- | synapse/federation/federation_client.py | 2 | ||||
| -rw-r--r-- | synapse/federation/federation_server.py | 9 | ||||
| -rw-r--r-- | synapse/handlers/federation.py | 20 |
4 files changed, 26 insertions, 6 deletions
diff --git a/changelog.d/14102.bugfix b/changelog.d/14102.bugfix new file mode 100644 index 0000000000..d71e108f7c --- /dev/null +++ b/changelog.d/14102.bugfix @@ -0,0 +1 @@ +Fix a bug introduced in Synapse v1.37.0 in which an incorrect key name was used for sending and receiving room metadata when knocking on a room. \ No newline at end of file diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index 4dca711cd2..b220ab43fc 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -1294,7 +1294,7 @@ class FederationClient(FederationBase): return resp[1] async def send_knock(self, destinations: List[str], pdu: EventBase) -> JsonDict: - """Attempts to send a knock event to given a list of servers. Iterates + """Attempts to send a knock event to a given list of servers. Iterates through the list until one attempt succeeds. Doing so will cause the remote server to add the event to the graph, diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index 907940e19e..28097664b4 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -824,7 +824,14 @@ class FederationServer(FederationBase): context, self._room_prejoin_state_types ) ) - return {"knock_state_events": stripped_room_state} + return { + "knock_room_state": stripped_room_state, + # Since v1.37, Synapse incorrectly used "knock_state_events" for this field. + # Thus, we also populate a 'knock_state_events' with the same content to + # support old instances. + # See https://github.com/matrix-org/synapse/issues/14088. + "knock_state_events": stripped_room_state, + } async def _on_send_membership_event( self, origin: str, content: JsonDict, membership_type: str, room_id: str diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 986ffed3d5..44e70c6c3c 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -781,15 +781,27 @@ class FederationHandler: # Send the signed event back to the room, and potentially receive some # further information about the room in the form of partial state events - stripped_room_state = await self.federation_client.send_knock( - target_hosts, event - ) + knock_response = await self.federation_client.send_knock(target_hosts, event) # Store any stripped room state events in the "unsigned" key of the event. # This is a bit of a hack and is cribbing off of invites. Basically we # store the room state here and retrieve it again when this event appears # in the invitee's sync stream. It is stripped out for all other local users. - event.unsigned["knock_room_state"] = stripped_room_state["knock_state_events"] + stripped_room_state = ( + knock_response.get("knock_room_state") + # Since v1.37, Synapse incorrectly used "knock_state_events" for this field. + # Thus, we also check for a 'knock_state_events' to support old instances. + # See https://github.com/matrix-org/synapse/issues/14088. + or knock_response.get("knock_state_events") + ) + + if stripped_room_state is None: + raise KeyError( + "Missing 'knock_room_state' (or legacy 'knock_state_events') field in " + "send_knock response" + ) + + event.unsigned["knock_room_state"] = stripped_room_state context = EventContext.for_outlier(self._storage_controllers) stream_id = await self._federation_event_handler.persist_events_and_notify( |