95 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
| # Copyright 2020 Sorunome
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| # Copyright 2020 The Matrix.org Foundation C.I.C.
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| import logging
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| from typing import TYPE_CHECKING, Dict, List, Tuple
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| 
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| from synapse.api.constants import Membership
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| from synapse.api.errors import SynapseError
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| from synapse.http.server import HttpServer
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| from synapse.http.servlet import (
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|     RestServlet,
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|     parse_json_object_from_request,
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|     parse_strings_from_args,
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| )
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| from synapse.http.site import SynapseRequest
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| from synapse.types import JsonDict, RoomAlias, RoomID
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| 
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| if TYPE_CHECKING:
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|     from synapse.app.homeserver import HomeServer
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| 
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| from ._base import client_patterns
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| class KnockRoomAliasServlet(RestServlet):
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|     """
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|     POST /knock/{roomIdOrAlias}
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|     """
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| 
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|     PATTERNS = client_patterns("/knock/(?P<room_identifier>[^/]*)")
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|     CATEGORY = "Event sending requests"
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| 
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|     def __init__(self, hs: "HomeServer"):
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|         super().__init__()
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|         self.room_member_handler = hs.get_room_member_handler()
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|         self.auth = hs.get_auth()
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| 
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|     async def on_POST(
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|         self,
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|         request: SynapseRequest,
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|         room_identifier: str,
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|     ) -> Tuple[int, JsonDict]:
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|         requester = await self.auth.get_user_by_req(request)
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| 
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|         content = parse_json_object_from_request(request)
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|         event_content = None
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|         if "reason" in content:
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|             event_content = {"reason": content["reason"]}
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| 
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|         if RoomID.is_valid(room_identifier):
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|             room_id = room_identifier
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| 
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|             # twisted.web.server.Request.args is incorrectly defined as Optional[Any]
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|             args: Dict[bytes, List[bytes]] = request.args  # type: ignore
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|             remote_room_hosts = parse_strings_from_args(
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|                 args, "server_name", required=False
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|             )
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|         elif RoomAlias.is_valid(room_identifier):
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|             handler = self.room_member_handler
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|             room_alias = RoomAlias.from_string(room_identifier)
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|             room_id_obj, remote_room_hosts = await handler.lookup_room_alias(room_alias)
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|             room_id = room_id_obj.to_string()
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|         else:
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|             raise SynapseError(
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|                 400, "%s was not legal room ID or room alias" % (room_identifier,)
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|             )
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| 
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|         await self.room_member_handler.update_membership(
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|             requester=requester,
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|             target=requester.user,
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|             room_id=room_id,
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|             action=Membership.KNOCK,
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|             third_party_signed=None,
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|             remote_room_hosts=remote_room_hosts,
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|             content=event_content,
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|         )
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| 
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|         return 200, {"room_id": room_id}
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| 
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| 
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| def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
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|     KnockRoomAliasServlet(hs).register(http_server)
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