diff options
Diffstat (limited to '')
| -rw-r--r-- | changelog.d/6237.bugfix | 1 | ||||
| -rw-r--r-- | synapse/handlers/room.py | 36 |
2 files changed, 32 insertions, 5 deletions
diff --git a/changelog.d/6237.bugfix b/changelog.d/6237.bugfix new file mode 100644 index 0000000000..9285600b00 --- /dev/null +++ b/changelog.d/6237.bugfix @@ -0,0 +1 @@ +Transfer non-standard power levels on room upgrade. \ No newline at end of file diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index e92b2eafd5..35a759f2fe 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -198,21 +198,21 @@ class RoomCreationHandler(BaseHandler): # finally, shut down the PLs in the old room, and update them in the new # room. yield self._update_upgraded_room_pls( - requester, old_room_id, new_room_id, old_room_state + requester, old_room_id, new_room_id, old_room_state, ) return new_room_id @defer.inlineCallbacks def _update_upgraded_room_pls( - self, requester, old_room_id, new_room_id, old_room_state + self, requester, old_room_id, new_room_id, old_room_state, ): """Send updated power levels in both rooms after an upgrade Args: requester (synapse.types.Requester): the user requesting the upgrade - old_room_id (unicode): the id of the room to be replaced - new_room_id (unicode): the id of the replacement room + old_room_id (str): the id of the room to be replaced + new_room_id (str): the id of the replacement room old_room_state (dict[tuple[str, str], str]): the state map for the old room Returns: @@ -298,7 +298,7 @@ class RoomCreationHandler(BaseHandler): tombstone_event_id (unicode|str): the ID of the tombstone event in the old room. Returns: - Deferred[None] + Deferred """ user_id = requester.user.to_string() @@ -333,6 +333,7 @@ class RoomCreationHandler(BaseHandler): (EventTypes.Encryption, ""), (EventTypes.ServerACL, ""), (EventTypes.RelatedGroups, ""), + (EventTypes.PowerLevels, ""), ) old_room_state_ids = yield self.store.get_filtered_current_state_ids( @@ -346,6 +347,31 @@ class RoomCreationHandler(BaseHandler): if old_event: initial_state[k] = old_event.content + # Resolve the minimum power level required to send any state event + # We will give the upgrading user this power level temporarily (if necessary) such that + # they are able to copy all of the state events over, then revert them back to their + # original power level afterwards in _update_upgraded_room_pls + + # Copy over user power levels now as this will not be possible with >100PL users once + # the room has been created + + power_levels = initial_state[(EventTypes.PowerLevels, "")] + + # Calculate the minimum power level needed to clone the room + event_power_levels = power_levels.get("events", {}) + state_default = power_levels.get("state_default", 0) + ban = power_levels.get("ban") + needed_power_level = max(state_default, ban, max(event_power_levels.values())) + + # Raise the requester's power level in the new room if necessary + current_power_level = power_levels["users"][requester.user.to_string()] + if current_power_level < needed_power_level: + # Assign this power level to the requester + power_levels["users"][requester.user.to_string()] = needed_power_level + + # Set the power levels to the modified state + initial_state[(EventTypes.PowerLevels, "")] = power_levels + yield self._send_events_for_new_room( requester, new_room_id, |