diff options
| -rw-r--r-- | synapse/handlers/sync.py | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index bd8c603681..5078c4e45e 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -293,6 +293,36 @@ class SyncHandler(BaseHandler): )) @defer.inlineCallbacks + def _filter_events_for_client(self, user_id, room_id, events): + states = yield self.store.get_state_for_events( + room_id, [e.event_id for e in events], + ) + + events_and_states = zip(events, states) + + def allowed(event_and_state): + event, state = event_and_state + + if event.type == EventTypes.RoomHistoryVisibility: + return True + + membership = state.get((EventTypes.Member, user_id), None) + if membership and membership.membership == Membership.JOIN: + return True + + history = state.get((EventTypes.RoomHistoryVisibility, ''), None) + if history and history.content.get("visibility", None) == "after_join": + return False + + return True + + events_and_states = filter(allowed, events_and_states) + defer.returnValue([ + ev + for ev, _ in events_and_states + ]) + + @defer.inlineCallbacks def load_filtered_recents(self, room_id, sync_config, now_token, since_token=None): limited = True @@ -313,6 +343,9 @@ class SyncHandler(BaseHandler): (room_key, _) = keys end_key = "s" + room_key.split('-')[-1] loaded_recents = sync_config.filter.filter_room_events(events) + loaded_recents = yield self._filter_events_for_client( + sync_config.user.to_string(), room_id, loaded_recents, + ) loaded_recents.extend(recents) recents = loaded_recents if len(events) <= load_limit: |