diff --git a/synapse/rest/client/directory.py b/synapse/rest/client/directory.py
new file mode 100644
index 0000000000..ee247e3d1e
--- /dev/null
+++ b/synapse/rest/client/directory.py
@@ -0,0 +1,205 @@
+# Copyright 2014-2016 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 typing import TYPE_CHECKING, Tuple
+
+from twisted.web.server import Request
+
+from synapse.api.errors import (
+ AuthError,
+ Codes,
+ InvalidClientCredentialsError,
+ NotFoundError,
+ SynapseError,
+)
+from synapse.http.server import HttpServer
+from synapse.http.servlet import RestServlet, parse_json_object_from_request
+from synapse.http.site import SynapseRequest
+from synapse.rest.client._base import client_patterns
+from synapse.types import JsonDict, RoomAlias
+
+if TYPE_CHECKING:
+ from synapse.server import HomeServer
+
+logger = logging.getLogger(__name__)
+
+
+def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
+ ClientDirectoryServer(hs).register(http_server)
+ ClientDirectoryListServer(hs).register(http_server)
+ ClientAppserviceDirectoryListServer(hs).register(http_server)
+
+
+class ClientDirectoryServer(RestServlet):
+ PATTERNS = client_patterns("/directory/room/(?P<room_alias>[^/]*)$", v1=True)
+
+ def __init__(self, hs: "HomeServer"):
+ super().__init__()
+ self.store = hs.get_datastore()
+ self.directory_handler = hs.get_directory_handler()
+ self.auth = hs.get_auth()
+
+ async def on_GET(self, request: Request, room_alias: str) -> Tuple[int, JsonDict]:
+ room_alias_obj = RoomAlias.from_string(room_alias)
+
+ res = await self.directory_handler.get_association(room_alias_obj)
+
+ return 200, res
+
+ async def on_PUT(
+ self, request: SynapseRequest, room_alias: str
+ ) -> Tuple[int, JsonDict]:
+ room_alias_obj = RoomAlias.from_string(room_alias)
+
+ content = parse_json_object_from_request(request)
+ if "room_id" not in content:
+ raise SynapseError(
+ 400, 'Missing params: ["room_id"]', errcode=Codes.BAD_JSON
+ )
+
+ logger.debug("Got content: %s", content)
+ logger.debug("Got room name: %s", room_alias_obj.to_string())
+
+ room_id = content["room_id"]
+ servers = content["servers"] if "servers" in content else None
+
+ logger.debug("Got room_id: %s", room_id)
+ logger.debug("Got servers: %s", servers)
+
+ # TODO(erikj): Check types.
+
+ room = await self.store.get_room(room_id)
+ if room is None:
+ raise SynapseError(400, "Room does not exist")
+
+ requester = await self.auth.get_user_by_req(request)
+
+ await self.directory_handler.create_association(
+ requester, room_alias_obj, room_id, servers
+ )
+
+ return 200, {}
+
+ async def on_DELETE(
+ self, request: SynapseRequest, room_alias: str
+ ) -> Tuple[int, JsonDict]:
+ room_alias_obj = RoomAlias.from_string(room_alias)
+
+ try:
+ service = self.auth.get_appservice_by_req(request)
+ await self.directory_handler.delete_appservice_association(
+ service, room_alias_obj
+ )
+ logger.info(
+ "Application service at %s deleted alias %s",
+ service.url,
+ room_alias_obj.to_string(),
+ )
+ return 200, {}
+ except InvalidClientCredentialsError:
+ # fallback to default user behaviour if they aren't an AS
+ pass
+
+ requester = await self.auth.get_user_by_req(request)
+ user = requester.user
+
+ await self.directory_handler.delete_association(requester, room_alias_obj)
+
+ logger.info(
+ "User %s deleted alias %s", user.to_string(), room_alias_obj.to_string()
+ )
+
+ return 200, {}
+
+
+class ClientDirectoryListServer(RestServlet):
+ PATTERNS = client_patterns("/directory/list/room/(?P<room_id>[^/]*)$", v1=True)
+
+ def __init__(self, hs: "HomeServer"):
+ super().__init__()
+ self.store = hs.get_datastore()
+ self.directory_handler = hs.get_directory_handler()
+ self.auth = hs.get_auth()
+
+ async def on_GET(self, request: Request, room_id: str) -> Tuple[int, JsonDict]:
+ room = await self.store.get_room(room_id)
+ if room is None:
+ raise NotFoundError("Unknown room")
+
+ return 200, {"visibility": "public" if room["is_public"] else "private"}
+
+ async def on_PUT(
+ self, request: SynapseRequest, room_id: str
+ ) -> Tuple[int, JsonDict]:
+ requester = await self.auth.get_user_by_req(request)
+
+ content = parse_json_object_from_request(request)
+ visibility = content.get("visibility", "public")
+
+ await self.directory_handler.edit_published_room_list(
+ requester, room_id, visibility
+ )
+
+ return 200, {}
+
+ async def on_DELETE(
+ self, request: SynapseRequest, room_id: str
+ ) -> Tuple[int, JsonDict]:
+ requester = await self.auth.get_user_by_req(request)
+
+ await self.directory_handler.edit_published_room_list(
+ requester, room_id, "private"
+ )
+
+ return 200, {}
+
+
+class ClientAppserviceDirectoryListServer(RestServlet):
+ PATTERNS = client_patterns(
+ "/directory/list/appservice/(?P<network_id>[^/]*)/(?P<room_id>[^/]*)$", v1=True
+ )
+
+ def __init__(self, hs: "HomeServer"):
+ super().__init__()
+ self.store = hs.get_datastore()
+ self.directory_handler = hs.get_directory_handler()
+ self.auth = hs.get_auth()
+
+ async def on_PUT(
+ self, request: SynapseRequest, network_id: str, room_id: str
+ ) -> Tuple[int, JsonDict]:
+ content = parse_json_object_from_request(request)
+ visibility = content.get("visibility", "public")
+ return await self._edit(request, network_id, room_id, visibility)
+
+ async def on_DELETE(
+ self, request: SynapseRequest, network_id: str, room_id: str
+ ) -> Tuple[int, JsonDict]:
+ return await self._edit(request, network_id, room_id, "private")
+
+ async def _edit(
+ self, request: SynapseRequest, network_id: str, room_id: str, visibility: str
+ ) -> Tuple[int, JsonDict]:
+ requester = await self.auth.get_user_by_req(request)
+ if not requester.app_service:
+ raise AuthError(
+ 403, "Only appservices can edit the appservice published room list"
+ )
+
+ await self.directory_handler.edit_published_appservice_room_list(
+ requester.app_service.id, network_id, room_id, visibility
+ )
+
+ return 200, {}
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