diff options
| -rw-r--r-- | synapse/api/errors.py | 6 | ||||
| -rw-r--r-- | synapse/storage/data_stores/main/state.py | 25 |
2 files changed, 26 insertions, 5 deletions
diff --git a/synapse/api/errors.py b/synapse/api/errors.py index 1c9456e583..0c20601600 100644 --- a/synapse/api/errors.py +++ b/synapse/api/errors.py @@ -402,11 +402,9 @@ class UnsupportedRoomVersionError(SynapseError): """The client's request to create a room used a room version that the server does not support.""" - def __init__(self): + def __init__(self, msg="Homeserver does not support this room version"): super(UnsupportedRoomVersionError, self).__init__( - code=400, - msg="Homeserver does not support this room version", - errcode=Codes.UNSUPPORTED_ROOM_VERSION, + code=400, msg=msg, errcode=Codes.UNSUPPORTED_ROOM_VERSION, ) diff --git a/synapse/storage/data_stores/main/state.py b/synapse/storage/data_stores/main/state.py index 6700942523..3d34103e67 100644 --- a/synapse/storage/data_stores/main/state.py +++ b/synapse/storage/data_stores/main/state.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2014-2016 OpenMarket Ltd +# Copyright 2020 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -22,7 +23,8 @@ from six import iteritems from twisted.internet import defer from synapse.api.constants import EventTypes, Membership -from synapse.api.errors import NotFoundError +from synapse.api.errors import NotFoundError, UnsupportedRoomVersionError +from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersion from synapse.events import EventBase from synapse.events.snapshot import EventContext from synapse.storage._base import SQLBaseStore @@ -61,6 +63,27 @@ class StateGroupWorkerStore(EventsWorkerStore, SQLBaseStore): def __init__(self, database: Database, db_conn, hs): super(StateGroupWorkerStore, self).__init__(database, db_conn, hs) + async def get_room_version(self, room_id: str) -> RoomVersion: + """Get the room_version of a given room + + Raises: + NotFoundError: if the room is unknown + + UnsupportedRoomVersionError: if the room uses an unknown room version. + Typically this happens if support for the room's version has been + removed from Synapse. + """ + room_version_id = await self.get_room_version_id(room_id) + v = KNOWN_ROOM_VERSIONS.get(room_version_id) + + if not v: + raise UnsupportedRoomVersionError( + "Room %s uses a room version %s which is no longer supported" + % (room_id, room_version_id) + ) + + return v + @cached(max_entries=10000) async def get_room_version_id(self, room_id: str) -> str: """Get the room_version of a given room |