forked-synapse/synapse/rest/client/knock.py

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# Copyright 2020 Sorunome
# 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.
# 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 typing import TYPE_CHECKING, Dict, List, Tuple
from synapse.api.constants import Membership
from synapse.api.errors import SynapseError
from synapse.http.server import HttpServer
from synapse.http.servlet import (
RestServlet,
parse_json_object_from_request,
parse_strings_from_args,
)
from synapse.http.site import SynapseRequest
from synapse.types import JsonDict, RoomAlias, RoomID
if TYPE_CHECKING:
from synapse.app.homeserver import HomeServer
from ._base import client_patterns
logger = logging.getLogger(__name__)
class KnockRoomAliasServlet(RestServlet):
"""
POST /knock/{roomIdOrAlias}
"""
PATTERNS = client_patterns("/knock/(?P<room_identifier>[^/]*)")
CATEGORY = "Event sending requests"
def __init__(self, hs: "HomeServer"):
super().__init__()
self.room_member_handler = hs.get_room_member_handler()
self.auth = hs.get_auth()
async def on_POST(
self,
request: SynapseRequest,
room_identifier: str,
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
content = parse_json_object_from_request(request)
event_content = None
if "reason" in content:
event_content = {"reason": content["reason"]}
if RoomID.is_valid(room_identifier):
room_id = room_identifier
# twisted.web.server.Request.args is incorrectly defined as Optional[Any]
args: Dict[bytes, List[bytes]] = request.args # type: ignore
remote_room_hosts = parse_strings_from_args(
args, "server_name", required=False
)
elif RoomAlias.is_valid(room_identifier):
handler = self.room_member_handler
room_alias = RoomAlias.from_string(room_identifier)
room_id_obj, remote_room_hosts = await handler.lookup_room_alias(room_alias)
room_id = room_id_obj.to_string()
else:
raise SynapseError(
400, "%s was not legal room ID or room alias" % (room_identifier,)
)
await self.room_member_handler.update_membership(
requester=requester,
target=requester.user,
room_id=room_id,
action=Membership.KNOCK,
third_party_signed=None,
remote_room_hosts=remote_room_hosts,
content=event_content,
)
return 200, {"room_id": room_id}
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
KnockRoomAliasServlet(hs).register(http_server)