505 lines
17 KiB
Python
505 lines
17 KiB
Python
# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2018-2019 New Vector Ltd
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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 http import HTTPStatus
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from typing import TYPE_CHECKING, Optional, Tuple
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import attr
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from synapse.api.constants import Direction
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from synapse.api.errors import Codes, NotFoundError, 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_boolean,
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parse_enum,
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parse_integer,
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parse_string,
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)
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from synapse.http.site import SynapseRequest
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from synapse.rest.admin._base import (
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admin_patterns,
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assert_requester_is_admin,
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assert_user_is_admin,
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)
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from synapse.storage.databases.main.media_repository import MediaSortOrder
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from synapse.types import JsonDict, UserID
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class QuarantineMediaInRoom(RestServlet):
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"""Quarantines all media in a room so that no one can download it via
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this server.
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"""
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PATTERNS = [
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*admin_patterns("/room/(?P<room_id>[^/]*)/media/quarantine$"),
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# This path kept around for legacy reasons
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*admin_patterns("/quarantine_media/(?P<room_id>[^/]*)$"),
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]
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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self.auth = hs.get_auth()
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async def on_POST(
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self, request: SynapseRequest, room_id: 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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await assert_user_is_admin(self.auth, requester)
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logging.info("Quarantining room: %s", room_id)
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# Quarantine all media in this room
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num_quarantined = await self.store.quarantine_media_ids_in_room(
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room_id, requester.user.to_string()
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)
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return HTTPStatus.OK, {"num_quarantined": num_quarantined}
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class QuarantineMediaByUser(RestServlet):
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"""Quarantines all local media by a given user so that no one can download it via
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this server.
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"""
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PATTERNS = admin_patterns("/user/(?P<user_id>[^/]*)/media/quarantine$")
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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self.auth = hs.get_auth()
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async def on_POST(
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self, request: SynapseRequest, user_id: str
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) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request)
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await assert_user_is_admin(self.auth, requester)
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logging.info("Quarantining media by user: %s", user_id)
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# Quarantine all media this user has uploaded
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num_quarantined = await self.store.quarantine_media_ids_by_user(
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user_id, requester.user.to_string()
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)
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return HTTPStatus.OK, {"num_quarantined": num_quarantined}
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class QuarantineMediaByID(RestServlet):
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"""Quarantines local or remote media by a given ID so that no one can download
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it via this server.
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"""
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PATTERNS = admin_patterns(
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"/media/quarantine/(?P<server_name>[^/]*)/(?P<media_id>[^/]*)$"
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)
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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self.auth = hs.get_auth()
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async def on_POST(
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self, request: SynapseRequest, server_name: str, media_id: 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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await assert_user_is_admin(self.auth, requester)
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logging.info("Quarantining media by ID: %s/%s", server_name, media_id)
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# Quarantine this media id
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await self.store.quarantine_media_by_id(
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server_name, media_id, requester.user.to_string()
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)
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return HTTPStatus.OK, {}
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class UnquarantineMediaByID(RestServlet):
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"""Quarantines local or remote media by a given ID so that no one can download
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it via this server.
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"""
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PATTERNS = admin_patterns(
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"/media/unquarantine/(?P<server_name>[^/]*)/(?P<media_id>[^/]*)$"
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)
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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self.auth = hs.get_auth()
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async def on_POST(
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self, request: SynapseRequest, server_name: str, media_id: str
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self.auth, request)
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logging.info("Remove from quarantine media by ID: %s/%s", server_name, media_id)
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# Remove from quarantine this media id
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await self.store.quarantine_media_by_id(server_name, media_id, None)
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return HTTPStatus.OK, {}
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class ProtectMediaByID(RestServlet):
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"""Protect local media from being quarantined."""
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PATTERNS = admin_patterns("/media/protect/(?P<media_id>[^/]*)$")
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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self.auth = hs.get_auth()
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async def on_POST(
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self, request: SynapseRequest, media_id: str
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self.auth, request)
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logging.info("Protecting local media by ID: %s", media_id)
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# Protect this media id
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await self.store.mark_local_media_as_safe(media_id, safe=True)
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return HTTPStatus.OK, {}
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class UnprotectMediaByID(RestServlet):
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"""Unprotect local media from being quarantined."""
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PATTERNS = admin_patterns("/media/unprotect/(?P<media_id>[^/]*)$")
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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self.auth = hs.get_auth()
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async def on_POST(
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self, request: SynapseRequest, media_id: str
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self.auth, request)
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logging.info("Unprotecting local media by ID: %s", media_id)
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# Unprotect this media id
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await self.store.mark_local_media_as_safe(media_id, safe=False)
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return HTTPStatus.OK, {}
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class ListMediaInRoom(RestServlet):
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"""Lists all of the media in a given room."""
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PATTERNS = admin_patterns("/room/(?P<room_id>[^/]*)/media$")
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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self.auth = hs.get_auth()
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async def on_GET(
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self, request: SynapseRequest, room_id: str
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self.auth, request)
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local_mxcs, remote_mxcs = await self.store.get_media_mxcs_in_room(room_id)
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return HTTPStatus.OK, {"local": local_mxcs, "remote": remote_mxcs}
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class PurgeMediaCacheRestServlet(RestServlet):
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PATTERNS = admin_patterns("/purge_media_cache$")
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def __init__(self, hs: "HomeServer"):
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self.media_repository = hs.get_media_repository()
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self.auth = hs.get_auth()
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async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self.auth, request)
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before_ts = parse_integer(request, "before_ts", required=True)
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logger.info("before_ts: %r", before_ts)
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if before_ts < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter before_ts must be a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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elif before_ts < 30000000000: # Dec 1970 in milliseconds, Aug 2920 in seconds
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter before_ts you provided is from the year 1970. "
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+ "Double check that you are providing a timestamp in milliseconds.",
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errcode=Codes.INVALID_PARAM,
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)
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ret = await self.media_repository.delete_old_remote_media(before_ts)
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return HTTPStatus.OK, ret
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class DeleteMediaByID(RestServlet):
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"""Delete local media by a given ID. Removes it from this server."""
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PATTERNS = admin_patterns("/media/(?P<server_name>[^/]*)/(?P<media_id>[^/]*)$")
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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self.auth = hs.get_auth()
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self._is_mine_server_name = hs.is_mine_server_name
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self.media_repository = hs.get_media_repository()
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async def on_DELETE(
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self, request: SynapseRequest, server_name: str, media_id: str
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self.auth, request)
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if not self._is_mine_server_name(server_name):
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raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only delete local media")
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if await self.store.get_local_media(media_id) is None:
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raise NotFoundError("Unknown media")
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logging.info("Deleting local media by ID: %s", media_id)
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deleted_media, total = await self.media_repository.delete_local_media_ids(
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[media_id]
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)
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return HTTPStatus.OK, {"deleted_media": deleted_media, "total": total}
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class DeleteMediaByDateSize(RestServlet):
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"""Delete local media and local copies of remote media by
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timestamp and size.
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"""
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PATTERNS = [
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*admin_patterns("/media/delete$"),
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# This URL kept around for legacy reasons, it is undesirable since it
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# overlaps with the DeleteMediaByID servlet.
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*admin_patterns("/media/(?P<server_name>[^/]*)/delete$"),
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]
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def __init__(self, hs: "HomeServer"):
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self.store = hs.get_datastores().main
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self.auth = hs.get_auth()
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self.server_name = hs.hostname
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self.media_repository = hs.get_media_repository()
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async def on_POST(
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self, request: SynapseRequest, server_name: Optional[str] = None
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self.auth, request)
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before_ts = parse_integer(request, "before_ts", required=True)
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size_gt = parse_integer(request, "size_gt", default=0)
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keep_profiles = parse_boolean(request, "keep_profiles", default=True)
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if before_ts < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter before_ts must be a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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elif before_ts < 30000000000: # Dec 1970 in milliseconds, Aug 2920 in seconds
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter before_ts you provided is from the year 1970. "
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+ "Double check that you are providing a timestamp in milliseconds.",
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errcode=Codes.INVALID_PARAM,
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)
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if size_gt < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter size_gt must be a string representing a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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# This check is useless, we keep it for the legacy endpoint only.
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if server_name is not None and self.server_name != server_name:
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raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only delete local media")
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logging.info(
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"Deleting local media by timestamp: %s, size larger than: %s, keep profile media: %s"
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% (before_ts, size_gt, keep_profiles)
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)
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deleted_media, total = await self.media_repository.delete_old_local_media(
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before_ts, size_gt, keep_profiles
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)
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return HTTPStatus.OK, {"deleted_media": deleted_media, "total": total}
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class UserMediaRestServlet(RestServlet):
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"""
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Gets information about all uploaded local media for a specific `user_id`.
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With DELETE request you can delete all this media.
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Example:
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http://localhost:8008/_synapse/admin/v1/users/@user:server/media
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Args:
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The parameters `from` and `limit` are required for pagination.
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By default, a `limit` of 100 is used.
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Returns:
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A list of media and an integer representing the total number of
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media that exist given for this user
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"""
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PATTERNS = admin_patterns("/users/(?P<user_id>[^/]*)/media$")
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def __init__(self, hs: "HomeServer"):
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self.is_mine = hs.is_mine
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self.auth = hs.get_auth()
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self.store = hs.get_datastores().main
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self.media_repository = hs.get_media_repository()
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async def on_GET(
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self, request: SynapseRequest, user_id: str
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) -> Tuple[int, JsonDict]:
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# This will always be set by the time Twisted calls us.
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assert request.args is not None
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await assert_requester_is_admin(self.auth, request)
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if not self.is_mine(UserID.from_string(user_id)):
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raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only look up local users")
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user = await self.store.get_user_by_id(user_id)
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if user is None:
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raise NotFoundError("Unknown user")
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start = parse_integer(request, "from", default=0)
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limit = parse_integer(request, "limit", default=100)
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if start < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter from must be a string representing a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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if limit < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter limit must be a string representing a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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# If neither `order_by` nor `dir` is set, set the default order
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# to newest media is on top for backward compatibility.
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if b"order_by" not in request.args and b"dir" not in request.args:
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order_by = MediaSortOrder.CREATED_TS.value
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direction = Direction.BACKWARDS
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else:
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order_by = parse_string(
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request,
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"order_by",
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default=MediaSortOrder.CREATED_TS.value,
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allowed_values=[sort_order.value for sort_order in MediaSortOrder],
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)
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direction = parse_enum(
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request, "dir", Direction, default=Direction.FORWARDS
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)
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media, total = await self.store.get_local_media_by_user_paginate(
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start, limit, user_id, order_by, direction
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)
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ret = {"media": [attr.asdict(m) for m in media], "total": total}
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if (start + limit) < total:
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ret["next_token"] = start + len(media)
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return HTTPStatus.OK, ret
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async def on_DELETE(
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self, request: SynapseRequest, user_id: str
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) -> Tuple[int, JsonDict]:
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# This will always be set by the time Twisted calls us.
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assert request.args is not None
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await assert_requester_is_admin(self.auth, request)
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if not self.is_mine(UserID.from_string(user_id)):
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raise SynapseError(HTTPStatus.BAD_REQUEST, "Can only look up local users")
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user = await self.store.get_user_by_id(user_id)
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if user is None:
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raise NotFoundError("Unknown user")
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start = parse_integer(request, "from", default=0)
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limit = parse_integer(request, "limit", default=100)
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if start < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter from must be a string representing a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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if limit < 0:
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raise SynapseError(
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HTTPStatus.BAD_REQUEST,
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"Query parameter limit must be a string representing a positive integer.",
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errcode=Codes.INVALID_PARAM,
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)
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# If neither `order_by` nor `dir` is set, set the default order
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# to newest media is on top for backward compatibility.
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if b"order_by" not in request.args and b"dir" not in request.args:
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order_by = MediaSortOrder.CREATED_TS.value
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direction = Direction.BACKWARDS
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else:
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order_by = parse_string(
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request,
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"order_by",
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default=MediaSortOrder.CREATED_TS.value,
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allowed_values=[sort_order.value for sort_order in MediaSortOrder],
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)
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direction = parse_enum(
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request, "dir", Direction, default=Direction.FORWARDS
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)
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media, _ = await self.store.get_local_media_by_user_paginate(
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start, limit, user_id, order_by, direction
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)
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deleted_media, total = await self.media_repository.delete_local_media_ids(
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[m.media_id for m in media]
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)
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return HTTPStatus.OK, {"deleted_media": deleted_media, "total": total}
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def register_servlets_for_media_repo(hs: "HomeServer", http_server: HttpServer) -> None:
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"""
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Media repo specific APIs.
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"""
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PurgeMediaCacheRestServlet(hs).register(http_server)
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QuarantineMediaInRoom(hs).register(http_server)
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QuarantineMediaByID(hs).register(http_server)
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UnquarantineMediaByID(hs).register(http_server)
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QuarantineMediaByUser(hs).register(http_server)
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ProtectMediaByID(hs).register(http_server)
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UnprotectMediaByID(hs).register(http_server)
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ListMediaInRoom(hs).register(http_server)
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# XXX DeleteMediaByDateSize must be registered before DeleteMediaByID as
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# their URL routes overlap.
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DeleteMediaByDateSize(hs).register(http_server)
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DeleteMediaByID(hs).register(http_server)
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UserMediaRestServlet(hs).register(http_server)
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