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# 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_datastores().main
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_datastores().main
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_datastores().main
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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