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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
import logging
from typing import TYPE_CHECKING, List, Optional, Tuple
from synapse._pydantic_compat import HAS_PYDANTIC_V2
if TYPE_CHECKING or HAS_PYDANTIC_V2:
from pydantic.v1 import StrictStr
else:
from pydantic import StrictStr
from typing_extensions import Literal
from twisted.web.server import Request
from synapse.api.errors import AuthError, Codes, NotFoundError, SynapseError
from synapse.http.server import HttpServer
from synapse.http.servlet import (
RestServlet,
parse_and_validate_json_object_from_request,
)
from synapse.http.site import SynapseRequest
from synapse.rest.client._base import client_patterns
from synapse.rest.models import RequestBodyModel
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)
if hs.config.worker.worker_app is None:
ClientDirectoryListServer(hs).register(http_server)
ClientAppserviceDirectoryListServer(hs).register(http_server)
class ClientDirectoryServer(RestServlet):
PATTERNS = client_patterns("/directory/room/(?P<room_alias>[^/]*)$", v1=True)
CATEGORY = "Client API requests"
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]:
if not RoomAlias.is_valid(room_alias):
raise SynapseError(400, "Room alias invalid", errcode=Codes.INVALID_PARAM)
room_alias_obj = RoomAlias.from_string(room_alias)
res = await self.directory_handler.get_association(room_alias_obj)
return 200, res
class PutBody(RequestBodyModel):
# TODO: get Pydantic to validate that this is a valid room id?
room_id: StrictStr
# `servers` is unspecced
servers: Optional[List[StrictStr]] = None
async def on_PUT(
self, request: SynapseRequest, room_alias: str
) -> Tuple[int, JsonDict]:
if not RoomAlias.is_valid(room_alias):
raise SynapseError(400, "Room alias invalid", errcode=Codes.INVALID_PARAM)
room_alias_obj = RoomAlias.from_string(room_alias)
content = parse_and_validate_json_object_from_request(request, self.PutBody)
logger.debug("Got content: %s", content)
logger.debug("Got room name: %s", room_alias_obj.to_string())
logger.debug("Got room_id: %s", content.room_id)
logger.debug("Got servers: %s", content.servers)
room = await self.store.get_room(content.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, content.room_id, content.servers
)
return 200, {}
async def on_DELETE(
self, request: SynapseRequest, room_alias: str
) -> Tuple[int, JsonDict]:
if not RoomAlias.is_valid(room_alias):
raise SynapseError(400, "Room alias invalid", errcode=Codes.INVALID_PARAM)
room_alias_obj = RoomAlias.from_string(room_alias)
requester = await self.auth.get_user_by_req(request)
if requester.app_service:
await self.directory_handler.delete_appservice_association(
requester.app_service, room_alias_obj
)
logger.info(
"Application service at %s deleted alias %s",
requester.app_service.url,
room_alias_obj.to_string(),
)
else:
await self.directory_handler.delete_association(requester, room_alias_obj)
logger.info(
"User %s deleted alias %s",
requester.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[0] else "private"}
class PutBody(RequestBodyModel):
visibility: Literal["public", "private"] = "public"
async def on_PUT(
self, request: SynapseRequest, room_id: str
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
content = parse_and_validate_json_object_from_request(request, self.PutBody)
await self.directory_handler.edit_published_room_list(
requester, room_id, content.visibility
)
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()
class PutBody(RequestBodyModel):
visibility: Literal["public", "private"] = "public"
async def on_PUT(
self, request: SynapseRequest, network_id: str, room_id: str
) -> Tuple[int, JsonDict]:
content = parse_and_validate_json_object_from_request(request, self.PutBody)
return await self._edit(request, network_id, room_id, content.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: Literal["public", "private"],
) -> 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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