From a52c40e2a6d3a142c9cf768479ec963354c3e360 Mon Sep 17 00:00:00 2001 From: Eric Eastwood Date: Fri, 30 Sep 2022 20:10:50 -0500 Subject: [PATCH] Fix `get_users_in_room` mis-use in `transfer_room_state_on_room_upgrade` (#13960) Spawning from looking into `get_users_in_room` while investigating https://github.com/matrix-org/synapse/issues/13942#issuecomment-1262787050. See https://github.com/matrix-org/synapse/pull/13575#discussion_r953023755 for the original exploration around finding `get_users_in_room` mis-uses. Related to the following PRs where we also cleaned up some `get_users_in_room` mis-uses: - https://github.com/matrix-org/synapse/pull/13605 - https://github.com/matrix-org/synapse/pull/13608 - https://github.com/matrix-org/synapse/pull/13606 - https://github.com/matrix-org/synapse/pull/13958 --- changelog.d/13960.misc | 1 + synapse/handlers/room_member.py | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) create mode 100644 changelog.d/13960.misc diff --git a/changelog.d/13960.misc b/changelog.d/13960.misc new file mode 100644 index 000000000..a7ba532bc --- /dev/null +++ b/changelog.d/13960.misc @@ -0,0 +1 @@ +Use dedicated `get_local_users_in_room(room_id)` function to find local users when calculating users to copy over during a room upgrade. diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index 88158822e..ee669eb30 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -1150,8 +1150,8 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): logger.info("Transferring room state from %s to %s", old_room_id, room_id) # Find all local users that were in the old room and copy over each user's state - users = await self.store.get_users_in_room(old_room_id) - await self.copy_user_state_on_room_upgrade(old_room_id, room_id, users) + local_users = await self.store.get_local_users_in_room(old_room_id) + await self.copy_user_state_on_room_upgrade(old_room_id, room_id, local_users) # Add new room to the room directory if the old room was there # Remove old room from the room directory