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# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018-2019 New Vector 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 synapse.api.errors import AuthError
from synapse.http.servlet import RestServlet, parse_integer
from synapse.rest.admin._base import (
assert_requester_is_admin,
assert_user_is_admin,
historical_admin_path_patterns,
)
logger = logging.getLogger(__name__)
class QuarantineMediaInRoom(RestServlet):
"""Quarantines all media in a room so that no one can download it via
this server.
"""
PATTERNS = (
historical_admin_path_patterns("/room/(?P<room_id>[^/]+)/media/quarantine")
+
# This path kept around for legacy reasons
historical_admin_path_patterns("/quarantine_media/(?P<room_id>[^/]+)")
)
def __init__(self, hs):
self.store = hs.get_datastore()
self.auth = hs.get_auth()
async def on_POST(self, request, room_id: str):
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
logging.info("Quarantining room: %s", room_id)
# Quarantine all media in this room
num_quarantined = await self.store.quarantine_media_ids_in_room(
room_id, requester.user.to_string()
)
return 200, {"num_quarantined": num_quarantined}
class QuarantineMediaByUser(RestServlet):
"""Quarantines all local media by a given user so that no one can download it via
this server.
"""
PATTERNS = historical_admin_path_patterns(
"/user/(?P<user_id>[^/]+)/media/quarantine"
)
def __init__(self, hs):
self.store = hs.get_datastore()
self.auth = hs.get_auth()
async def on_POST(self, request, user_id: str):
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
logging.info("Quarantining local media by user: %s", user_id)
# Quarantine all media this user has uploaded
num_quarantined = await self.store.quarantine_media_ids_by_user(
user_id, requester.user.to_string()
)
return 200, {"num_quarantined": num_quarantined}
class QuarantineMediaByID(RestServlet):
"""Quarantines local or remote media by a given ID so that no one can download
it via this server.
"""
PATTERNS = historical_admin_path_patterns(
"/media/quarantine/(?P<server_name>[^/]+)/(?P<media_id>[^/]+)"
)
def __init__(self, hs):
self.store = hs.get_datastore()
self.auth = hs.get_auth()
async def on_POST(self, request, server_name: str, media_id: str):
requester = await self.auth.get_user_by_req(request)
await assert_user_is_admin(self.auth, requester.user)
logging.info("Quarantining local media by ID: %s/%s", server_name, media_id)
# Quarantine this media id
await self.store.quarantine_media_by_id(
server_name, media_id, requester.user.to_string()
)
return 200, {}
class ListMediaInRoom(RestServlet):
"""Lists all of the media in a given room.
"""
PATTERNS = historical_admin_path_patterns("/room/(?P<room_id>[^/]+)/media")
def __init__(self, hs):
self.store = hs.get_datastore()
self.auth = hs.get_auth()
async def on_GET(self, request, room_id):
requester = await self.auth.get_user_by_req(request)
is_admin = await self.auth.is_server_admin(requester.user)
if not is_admin:
raise AuthError(403, "You are not a server admin")
local_mxcs, remote_mxcs = await self.store.get_media_mxcs_in_room(room_id)
return 200, {"local": local_mxcs, "remote": remote_mxcs}
class PurgeMediaCacheRestServlet(RestServlet):
PATTERNS = historical_admin_path_patterns("/purge_media_cache")
def __init__(self, hs):
self.media_repository = hs.get_media_repository()
self.auth = hs.get_auth()
async def on_POST(self, request):
await assert_requester_is_admin(self.auth, request)
before_ts = parse_integer(request, "before_ts", required=True)
logger.info("before_ts: %r", before_ts)
ret = await self.media_repository.delete_old_remote_media(before_ts)
return 200, ret
def register_servlets_for_media_repo(hs, http_server):
"""
Media repo specific APIs.
"""
PurgeMediaCacheRestServlet(hs).register(http_server)
QuarantineMediaInRoom(hs).register(http_server)
QuarantineMediaByID(hs).register(http_server)
QuarantineMediaByUser(hs).register(http_server)
ListMediaInRoom(hs).register(http_server)
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