anonymousland-synapse/synapse/rest/admin/media.py

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