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# Copyright 2020 Half-Shot
#
# 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 http import HTTPStatus
from typing import TYPE_CHECKING, Dict, List, Tuple
from synapse.api.errors import Codes, SynapseError
from synapse.http.server import HttpServer
from synapse.http.servlet import RestServlet, parse_strings_from_args
from synapse.http.site import SynapseRequest
from synapse.types import JsonDict
from ._base import client_patterns
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class UserMutualRoomsServlet(RestServlet):
"""
GET /uk.half-shot.msc2666/user/mutual_rooms?user_id={user_id} HTTP/1.1
"""
PATTERNS = client_patterns(
"/uk.half-shot.msc2666/user/mutual_rooms$",
releases=(), # This is an unstable feature
)
def __init__(self, hs: "HomeServer"):
super().__init__()
self.auth = hs.get_auth()
self.store = hs.get_datastores().main
async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
# twisted.web.server.Request.args is incorrectly defined as Optional[Any]
args: Dict[bytes, List[bytes]] = request.args # type: ignore
user_ids = parse_strings_from_args(args, "user_id", required=True)
if len(user_ids) > 1:
raise SynapseError(
HTTPStatus.BAD_REQUEST,
"Duplicate user_id query parameter",
errcode=Codes.INVALID_PARAM,
)
# We don't do batching, so a batch token is illegal by default
if b"batch_token" in args:
raise SynapseError(
HTTPStatus.BAD_REQUEST,
"Unknown batch_token",
errcode=Codes.INVALID_PARAM,
)
user_id = user_ids[0]
requester = await self.auth.get_user_by_req(request)
if user_id == requester.user.to_string():
raise SynapseError(
HTTPStatus.UNPROCESSABLE_ENTITY,
"You cannot request a list of shared rooms with yourself",
errcode=Codes.INVALID_PARAM,
)
rooms = await self.store.get_mutual_rooms_between_users(
frozenset((requester.user.to_string(), user_id))
)
return 200, {"joined": list(rooms)}
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
UserMutualRoomsServlet(hs).register(http_server)
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