diff options
Diffstat (limited to 'synapse/rest')
| -rw-r--r-- | synapse/rest/client/v2_alpha/sync.py | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py index f0a637a6da..73b44e92eb 100644 --- a/synapse/rest/client/v2_alpha/sync.py +++ b/synapse/rest/client/v2_alpha/sync.py @@ -351,20 +351,36 @@ class SyncRestServlet(RestServlet): continue prev_event_id = timeline_event.unsigned.get("replaces_state", None) - logger.debug("Replacing %s with %s in state dict", - timeline_event.event_id, prev_event_id) - if prev_event_id is None: + prev_content = timeline_event.unsigned.get('prev_content') + prev_sender = timeline_event.unsigned.get('prev_sender') + # Empircally it seems possible for the event to have a + # "replaces_state" key but not a prev_content or prev_sender + # markjh conjectures that it could be due to the server not + # having a copy of that event. + # If this is the case the we ignore the previous event. This will + # cause the displayname calculations on the client to be incorrect + if prev_event_id is None or not prev_content or not prev_sender: + logger.debug( + "Removing %r from the state dict, as it is missing" + " prev_content (prev_event_id=%r)", + timeline_event.event_id, prev_event_id + ) del result[event_key] else: + logger.debug( + "Replacing %r with %r in state dict", + timeline_event.event_id, prev_event_id + ) result[event_key] = FrozenEvent({ "type": timeline_event.type, "state_key": timeline_event.state_key, - "content": timeline_event.unsigned['prev_content'], - "sender": timeline_event.unsigned['prev_sender'], + "content": prev_content, + "sender": prev_sender, "event_id": prev_event_id, "room_id": timeline_event.room_id, }) + logger.debug("New value: %r", result.get(event_key)) return result |