diff options
| -rw-r--r-- | synapse/handlers/room.py | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index ab92ca5e78..d016f0e8b8 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -136,7 +136,49 @@ class RoomCreationHandler(BaseHandler): requester, tombstone_event, tombstone_context, ) - # XXX send a power_levels in the old room, if possible + # ... and restrict the PLs in the old room, if possible. + old_room_pl_state = yield self.state_handler.get_current_state( + old_room_id, + event_type=EventTypes.PowerLevels, + latest_event_ids=(tombstone_event.event_id, ), + ) + + if old_room_pl_state is None: + logger.warning( + "Not supported: upgrading a room with no PL event. Not setting PLs " + "in old room.", + ) + else: + pl_content = dict(old_room_pl_state.content) + users_default = int(pl_content.get("users_default", 0)) + restricted_level = max(users_default + 1, 50) + + updated = False + for v in ("invite", "events_default"): + current = int(pl_content.get(v, 0)) + if current < restricted_level: + logger.debug( + "Setting level for %s in %s to %i (was %i)", + v, old_room_id, restricted_level, current, + ) + pl_content[v] = restricted_level + updated = True + else: + logger.debug( + "Not setting level for %s (already %i)", + v, current, + ) + + if updated: + yield self.event_creation_handler.create_and_send_nonmember_event( + requester, { + "type": EventTypes.PowerLevels, + "state_key": '', + "room_id": old_room_id, + "sender": user_id, + "content": pl_content, + }, ratelimit=False, + ) defer.returnValue(new_room_id) |