From b36095ae5cd88d95802ecf01f8b0f541593ea773 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Tue, 28 Jan 2020 11:08:38 +0000 Subject: [PATCH] Set the PL for aliases events to 0. --- synapse/events/utils.py | 2 +- synapse/handlers/room.py | 17 +++++++++++++++-- 2 files changed, 16 insertions(+), 3 deletions(-) diff --git a/synapse/events/utils.py b/synapse/events/utils.py index be57c6d9b..f70f5032f 100644 --- a/synapse/events/utils.py +++ b/synapse/events/utils.py @@ -449,7 +449,7 @@ def copy_power_levels_contents( # we should only have one level of nesting if not isinstance(v1, int): raise TypeError( - "Invalid power_levels value for %s.%s: %r" % (k, k1, v) + "Invalid power_levels value for %s.%s: %r" % (k, k1, v1) ) h[k1] = v1 continue diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 532ee22fa..a95b45d79 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -287,7 +287,16 @@ class RoomCreationHandler(BaseHandler): except AuthError as e: logger.warning("Unable to update PLs in old room: %s", e) - logger.info("Setting correct PLs in new room to %s", old_room_pl_state.content) + new_pl_content = copy_power_levels_contents(old_room_pl_state.content) + + # pre-msc2260 rooms may not have the right setting for aliases. If no other + # value is set, set it now. + events_default = new_pl_content.get("events_default", 0) + new_pl_content.setdefault("events", {}).setdefault( + EventTypes.Aliases, events_default + ) + + logger.info("Setting correct PLs in new room to %s", new_pl_content) yield self.event_creation_handler.create_and_send_nonmember_event( requester, { @@ -295,7 +304,7 @@ class RoomCreationHandler(BaseHandler): "state_key": "", "room_id": new_room_id, "sender": requester.user.to_string(), - "content": old_room_pl_state.content, + "content": new_pl_content, }, ratelimit=False, ) @@ -812,6 +821,10 @@ class RoomCreationHandler(BaseHandler): EventTypes.RoomHistoryVisibility: 100, EventTypes.CanonicalAlias: 50, EventTypes.RoomAvatar: 50, + # MSC2260: Allow everybody to send alias events by default + # This will be reudundant on pre-MSC2260 rooms, since the + # aliases event is special-cased. + EventTypes.Aliases: 0, }, "events_default": 0, "state_default": 50,