MatrixSynapse/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py

89 lines
2.6 KiB
Python

# Copyright 2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from synapse.api.errors import Codes, ShadowBanError, SynapseError
from synapse.api.room_versions import KNOWN_ROOM_VERSIONS
from synapse.http.servlet import (
RestServlet,
assert_params_in_dict,
parse_json_object_from_request,
)
from synapse.util import stringutils
from ._base import client_patterns
logger = logging.getLogger(__name__)
class RoomUpgradeRestServlet(RestServlet):
"""Handler for room upgrade requests.
Handles requests of the form:
POST /_matrix/client/r0/rooms/$roomid/upgrade HTTP/1.1
Content-Type: application/json
{
"new_version": "2",
}
Creates a new room and shuts down the old one. Returns the ID of the new room.
Args:
hs (synapse.server.HomeServer):
"""
PATTERNS = client_patterns(
# /rooms/$roomid/upgrade
"/rooms/(?P<room_id>[^/]*)/upgrade$"
)
def __init__(self, hs):
super().__init__()
self._hs = hs
self._room_creation_handler = hs.get_room_creation_handler()
self._auth = hs.get_auth()
async def on_POST(self, request, room_id):
requester = await self._auth.get_user_by_req(request)
content = parse_json_object_from_request(request)
assert_params_in_dict(content, ("new_version",))
new_version = KNOWN_ROOM_VERSIONS.get(content["new_version"])
if new_version is None:
raise SynapseError(
400,
"Your homeserver does not support this room version",
Codes.UNSUPPORTED_ROOM_VERSION,
)
try:
new_room_id = await self._room_creation_handler.upgrade_room(
requester, room_id, new_version
)
except ShadowBanError:
# Generate a random room ID.
new_room_id = stringutils.random_string(18)
ret = {"replacement_room": new_room_id}
return 200, ret
def register_servlets(hs, http_server):
RoomUpgradeRestServlet(hs).register(http_server)