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Quarantine media by ID or user ID (#6681)
This commit is contained in:
Andrew Morgan
GitHub
parent
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commit
1177d3f3a3
7 changed files with 636 additions and 15 deletions
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changelog.d/6681.feature
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1
changelog.d/6681.feature
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@ -0,0 +1 @@
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Add new quarantine media admin APIs to quarantine by media ID or by user who uploaded the media.
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@ -22,19 +22,81 @@ It returns a JSON body like the following:
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}
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```
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# Quarantine media in a room
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This API 'quarantines' all the media in a room.
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The API is:
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```
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POST /_synapse/admin/v1/quarantine_media/<room_id>
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{}
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```
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# Quarantine media
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Quarantining media means that it is marked as inaccessible by users. It applies
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to any local media, and any locally-cached copies of remote media.
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The media file itself (and any thumbnails) is not deleted from the server.
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## Quarantining media by ID
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This API quarantines a single piece of local or remote media.
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Request:
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```
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POST /_synapse/admin/v1/media/quarantine/<server_name>/<media_id>
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{}
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```
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Where `server_name` is in the form of `example.org`, and `media_id` is in the
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form of `abcdefg12345...`.
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Response:
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```
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{}
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```
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## Quarantining media in a room
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This API quarantines all local and remote media in a room.
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Request:
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```
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POST /_synapse/admin/v1/room/<room_id>/media/quarantine
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{}
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```
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Where `room_id` is in the form of `!roomid12345:example.org`.
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Response:
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```
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{
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"num_quarantined": 10 # The number of media items successfully quarantined
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}
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```
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Note that there is a legacy endpoint, `POST
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/_synapse/admin/v1/quarantine_media/<room_id >`, that operates the same.
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However, it is deprecated and may be removed in a future release.
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## Quarantining all media of a user
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This API quarantines all *local* media that a *local* user has uploaded. That is to say, if
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you would like to quarantine media uploaded by a user on a remote homeserver, you should
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instead use one of the other APIs.
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Request:
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```
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POST /_synapse/admin/v1/user/<user_id>/media/quarantine
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{}
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```
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Where `user_id` is in the form of `@bob:example.org`.
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Response:
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```
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{
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"num_quarantined": 10 # The number of media items successfully quarantined
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}
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```
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@ -202,7 +202,9 @@ Handles the media repository. It can handle all endpoints starting with:
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... and the following regular expressions matching media-specific administration APIs:
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^/_synapse/admin/v1/purge_media_cache$
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^/_synapse/admin/v1/room/.*/media$
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^/_synapse/admin/v1/room/.*/media.*$
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^/_synapse/admin/v1/user/.*/media.*$
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^/_synapse/admin/v1/media/.*$
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^/_synapse/admin/v1/quarantine_media/.*$
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You should also set `enable_media_repo: False` in the shared configuration
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@ -32,16 +32,24 @@ class QuarantineMediaInRoom(RestServlet):
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this server.
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"""
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PATTERNS = historical_admin_path_patterns("/quarantine_media/(?P<room_id>[^/]+)")
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PATTERNS = (
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historical_admin_path_patterns("/room/(?P<room_id>[^/]+)/media/quarantine")
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+
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# This path kept around for legacy reasons
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historical_admin_path_patterns("/quarantine_media/(?P<room_id>![^/]+)")
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)
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def __init__(self, hs):
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self.store = hs.get_datastore()
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self.auth = hs.get_auth()
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async def on_POST(self, request, room_id):
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async def on_POST(self, request, room_id: str):
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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.user)
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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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@ -49,6 +57,60 @@ class QuarantineMediaInRoom(RestServlet):
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return 200, {"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 = historical_admin_path_patterns(
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"/user/(?P<user_id>[^/]+)/media/quarantine"
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)
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def __init__(self, hs):
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self.store = hs.get_datastore()
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self.auth = hs.get_auth()
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async def on_POST(self, request, user_id: str):
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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.user)
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logging.info("Quarantining local 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 200, {"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 = historical_admin_path_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):
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self.store = hs.get_datastore()
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self.auth = hs.get_auth()
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async def on_POST(self, request, server_name: str, media_id: str):
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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.user)
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logging.info("Quarantining local 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 200, {}
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class ListMediaInRoom(RestServlet):
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"""Lists all of the media in a given room.
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"""
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@ -94,4 +156,6 @@ def register_servlets_for_media_repo(hs, http_server):
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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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QuarantineMediaByUser(hs).register(http_server)
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ListMediaInRoom(hs).register(http_server)
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@ -18,7 +18,7 @@ import collections
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import logging
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import re
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from abc import abstractmethod
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from typing import Optional, Tuple
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from typing import List, Optional, Tuple
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from six import integer_types
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@ -399,6 +399,8 @@ class RoomWorkerStore(SQLBaseStore):
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the associated media
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"""
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logger.info("Quarantining media in room: %s", room_id)
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def _quarantine_media_in_room_txn(txn):
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local_mxcs, remote_mxcs = self._get_media_mxcs_in_room_txn(txn, room_id)
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total_media_quarantined = 0
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@ -494,6 +496,118 @@ class RoomWorkerStore(SQLBaseStore):
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return local_media_mxcs, remote_media_mxcs
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def quarantine_media_by_id(
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self, server_name: str, media_id: str, quarantined_by: str,
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):
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"""quarantines a single local or remote media id
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Args:
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server_name: The name of the server that holds this media
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media_id: The ID of the media to be quarantined
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quarantined_by: The user ID that initiated the quarantine request
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"""
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logger.info("Quarantining media: %s/%s", server_name, media_id)
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is_local = server_name == self.config.server_name
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def _quarantine_media_by_id_txn(txn):
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local_mxcs = [media_id] if is_local else []
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remote_mxcs = [(server_name, media_id)] if not is_local else []
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return self._quarantine_media_txn(
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txn, local_mxcs, remote_mxcs, quarantined_by
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)
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return self.db.runInteraction(
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"quarantine_media_by_user", _quarantine_media_by_id_txn
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)
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def quarantine_media_ids_by_user(self, user_id: str, quarantined_by: str):
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"""quarantines all local media associated with a single user
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Args:
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user_id: The ID of the user to quarantine media of
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quarantined_by: The ID of the user who made the quarantine request
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"""
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def _quarantine_media_by_user_txn(txn):
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local_media_ids = self._get_media_ids_by_user_txn(txn, user_id)
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return self._quarantine_media_txn(txn, local_media_ids, [], quarantined_by)
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return self.db.runInteraction(
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"quarantine_media_by_user", _quarantine_media_by_user_txn
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)
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def _get_media_ids_by_user_txn(self, txn, user_id: str, filter_quarantined=True):
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"""Retrieves local media IDs by a given user
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Args:
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txn (cursor)
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user_id: The ID of the user to retrieve media IDs of
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Returns:
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The local and remote media as a lists of tuples where the key is
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the hostname and the value is the media ID.
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"""
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# Local media
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sql = """
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SELECT media_id
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FROM local_media_repository
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WHERE user_id = ?
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"""
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if filter_quarantined:
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sql += "AND quarantined_by IS NULL"
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txn.execute(sql, (user_id,))
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local_media_ids = [row[0] for row in txn]
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# TODO: Figure out all remote media a user has referenced in a message
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return local_media_ids
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def _quarantine_media_txn(
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self,
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txn,
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local_mxcs: List[str],
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remote_mxcs: List[Tuple[str, str]],
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quarantined_by: str,
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) -> int:
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"""Quarantine local and remote media items
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Args:
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txn (cursor)
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local_mxcs: A list of local mxc URLs
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remote_mxcs: A list of (remote server, media id) tuples representing
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remote mxc URLs
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quarantined_by: The ID of the user who initiated the quarantine request
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Returns:
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The total number of media items quarantined
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"""
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total_media_quarantined = 0
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# Update all the tables to set the quarantined_by flag
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txn.executemany(
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"""
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UPDATE local_media_repository
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SET quarantined_by = ?
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WHERE media_id = ?
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""",
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((quarantined_by, media_id) for media_id in local_mxcs),
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)
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txn.executemany(
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"""
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UPDATE remote_media_cache
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SET quarantined_by = ?
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WHERE media_origin = ? AND media_id = ?
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""",
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((quarantined_by, origin, media_id) for origin, media_id in remote_mxcs),
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)
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total_media_quarantined += len(local_mxcs)
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total_media_quarantined += len(remote_mxcs)
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return total_media_quarantined
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class RoomBackgroundUpdateStore(SQLBaseStore):
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REMOVE_TOMESTONED_ROOMS_BG_UPDATE = "remove_tombstoned_rooms_from_directory"
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@ -14,11 +14,17 @@
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# limitations under the License.
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import json
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import os
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import urllib.parse
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from binascii import unhexlify
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from mock import Mock
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from twisted.internet.defer import Deferred
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import synapse.rest.admin
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from synapse.http.server import JsonResource
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from synapse.logging.context import make_deferred_yieldable
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from synapse.rest.admin import VersionServlet
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from synapse.rest.client.v1 import events, login, room
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from synapse.rest.client.v2_alpha import groups
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@ -346,3 +352,338 @@ class PurgeRoomTestCase(unittest.HomeserverTestCase):
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self.assertEqual(count, 0, msg="Rows not purged in {}".format(table))
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test_purge_room.skip = "Disabled because it's currently broken"
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class QuarantineMediaTestCase(unittest.HomeserverTestCase):
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"""Test /quarantine_media admin API.
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"""
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servlets = [
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synapse.rest.admin.register_servlets,
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synapse.rest.admin.register_servlets_for_media_repo,
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login.register_servlets,
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room.register_servlets,
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]
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def prepare(self, reactor, clock, hs):
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self.store = hs.get_datastore()
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self.hs = hs
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# Allow for uploading and downloading to/from the media repo
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self.media_repo = hs.get_media_repository_resource()
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self.download_resource = self.media_repo.children[b"download"]
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self.upload_resource = self.media_repo.children[b"upload"]
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self.image_data = unhexlify(
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b"89504e470d0a1a0a0000000d4948445200000001000000010806"
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b"0000001f15c4890000000a49444154789c63000100000500010d"
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b"0a2db40000000049454e44ae426082"
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)
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def make_homeserver(self, reactor, clock):
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self.fetches = []
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def get_file(destination, path, output_stream, args=None, max_size=None):
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"""
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Returns tuple[int,dict,str,int] of file length, response headers,
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absolute URI, and response code.
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"""
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def write_to(r):
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data, response = r
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output_stream.write(data)
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return response
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d = Deferred()
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d.addCallback(write_to)
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self.fetches.append((d, destination, path, args))
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return make_deferred_yieldable(d)
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client = Mock()
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client.get_file = get_file
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self.storage_path = self.mktemp()
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self.media_store_path = self.mktemp()
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os.mkdir(self.storage_path)
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os.mkdir(self.media_store_path)
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config = self.default_config()
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config["media_store_path"] = self.media_store_path
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config["thumbnail_requirements"] = {}
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config["max_image_pixels"] = 2000000
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provider_config = {
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"module": "synapse.rest.media.v1.storage_provider.FileStorageProviderBackend",
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"store_local": True,
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"store_synchronous": False,
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"store_remote": True,
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"config": {"directory": self.storage_path},
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}
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config["media_storage_providers"] = [provider_config]
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hs = self.setup_test_homeserver(config=config, http_client=client)
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return hs
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def test_quarantine_media_requires_admin(self):
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self.register_user("nonadmin", "pass", admin=False)
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non_admin_user_tok = self.login("nonadmin", "pass")
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# Attempt quarantine media APIs as non-admin
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url = "/_synapse/admin/v1/media/quarantine/example.org/abcde12345"
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request, channel = self.make_request(
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"POST", url.encode("ascii"), access_token=non_admin_user_tok,
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)
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self.render(request)
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# Expect a forbidden error
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self.assertEqual(
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403,
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int(channel.result["code"]),
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msg="Expected forbidden on quarantining media as a non-admin",
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)
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# And the roomID/userID endpoint
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url = "/_synapse/admin/v1/room/!room%3Aexample.com/media/quarantine"
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request, channel = self.make_request(
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"POST", url.encode("ascii"), access_token=non_admin_user_tok,
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)
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self.render(request)
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# Expect a forbidden error
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self.assertEqual(
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403,
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int(channel.result["code"]),
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msg="Expected forbidden on quarantining media as a non-admin",
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)
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def test_quarantine_media_by_id(self):
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self.register_user("id_admin", "pass", admin=True)
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admin_user_tok = self.login("id_admin", "pass")
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self.register_user("id_nonadmin", "pass", admin=False)
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non_admin_user_tok = self.login("id_nonadmin", "pass")
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# Upload some media into the room
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response = self.helper.upload_media(
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self.upload_resource, self.image_data, tok=admin_user_tok
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||||
)
|
||||
|
||||
# Extract media ID from the response
|
||||
server_name_and_media_id = response["content_uri"][
|
||||
6:
|
||||
] # Cut off the 'mxc://' bit
|
||||
server_name, media_id = server_name_and_media_id.split("/")
|
||||
|
||||
# Attempt to access the media
|
||||
request, channel = self.make_request(
|
||||
"GET",
|
||||
server_name_and_media_id,
|
||||
shorthand=False,
|
||||
access_token=non_admin_user_tok,
|
||||
)
|
||||
request.render(self.download_resource)
|
||||
self.pump(1.0)
|
||||
|
||||
# Should be successful
|
||||
self.assertEqual(200, int(channel.code), msg=channel.result["body"])
|
||||
|
||||
# Quarantine the media
|
||||
url = "/_synapse/admin/v1/media/quarantine/%s/%s" % (
|
||||
urllib.parse.quote(server_name),
|
||||
urllib.parse.quote(media_id),
|
||||
)
|
||||
request, channel = self.make_request("POST", url, access_token=admin_user_tok,)
|
||||
self.render(request)
|
||||
self.pump(1.0)
|
||||
self.assertEqual(200, int(channel.code), msg=channel.result["body"])
|
||||
|
||||
# Attempt to access the media
|
||||
request, channel = self.make_request(
|
||||
"GET",
|
||||
server_name_and_media_id,
|
||||
shorthand=False,
|
||||
access_token=admin_user_tok,
|
||||
)
|
||||
request.render(self.download_resource)
|
||||
self.pump(1.0)
|
||||
|
||||
# Should be quarantined
|
||||
self.assertEqual(
|
||||
404,
|
||||
int(channel.code),
|
||||
msg=(
|
||||
"Expected to receive a 404 on accessing quarantined media: %s"
|
||||
% server_name_and_media_id
|
||||
),
|
||||
)
|
||||
|
||||
def test_quarantine_all_media_in_room(self):
|
||||
self.register_user("room_admin", "pass", admin=True)
|
||||
admin_user_tok = self.login("room_admin", "pass")
|
||||
|
||||
non_admin_user = self.register_user("room_nonadmin", "pass", admin=False)
|
||||
non_admin_user_tok = self.login("room_nonadmin", "pass")
|
||||
|
||||
room_id = self.helper.create_room_as(non_admin_user, tok=admin_user_tok)
|
||||
self.helper.join(room_id, non_admin_user, tok=non_admin_user_tok)
|
||||
|
||||
# Upload some media
|
||||
response_1 = self.helper.upload_media(
|
||||
self.upload_resource, self.image_data, tok=non_admin_user_tok
|
||||
)
|
||||
response_2 = self.helper.upload_media(
|
||||
self.upload_resource, self.image_data, tok=non_admin_user_tok
|
||||
)
|
||||
|
||||
# Extract mxcs
|
||||
mxc_1 = response_1["content_uri"]
|
||||
mxc_2 = response_2["content_uri"]
|
||||
|
||||
# Send it into the room
|
||||
self.helper.send_event(
|
||||
room_id,
|
||||
"m.room.message",
|
||||
content={"body": "image-1", "msgtype": "m.image", "url": mxc_1},
|
||||
txn_id="111",
|
||||
tok=non_admin_user_tok,
|
||||
)
|
||||
self.helper.send_event(
|
||||
room_id,
|
||||
"m.room.message",
|
||||
content={"body": "image-2", "msgtype": "m.image", "url": mxc_2},
|
||||
txn_id="222",
|
||||
tok=non_admin_user_tok,
|
||||
)
|
||||
|
||||
# Quarantine all media in the room
|
||||
url = "/_synapse/admin/v1/room/%s/media/quarantine" % urllib.parse.quote(
|
||||
room_id
|
||||
)
|
||||
request, channel = self.make_request("POST", url, access_token=admin_user_tok,)
|
||||
self.render(request)
|
||||
self.pump(1.0)
|
||||
self.assertEqual(200, int(channel.code), msg=channel.result["body"])
|
||||
self.assertEqual(
|
||||
json.loads(channel.result["body"].decode("utf-8")),
|
||||
{"num_quarantined": 2},
|
||||
"Expected 2 quarantined items",
|
||||
)
|
||||
|
||||
# Convert mxc URLs to server/media_id strings
|
||||
server_and_media_id_1 = mxc_1[6:]
|
||||
server_and_media_id_2 = mxc_2[6:]
|
||||
|
||||
# Test that we cannot download any of the media anymore
|
||||
request, channel = self.make_request(
|
||||
"GET",
|
||||
server_and_media_id_1,
|
||||
shorthand=False,
|
||||
access_token=non_admin_user_tok,
|
||||
)
|
||||
request.render(self.download_resource)
|
||||
self.pump(1.0)
|
||||
|
||||
# Should be quarantined
|
||||
self.assertEqual(
|
||||
404,
|
||||
int(channel.code),
|
||||
msg=(
|
||||
"Expected to receive a 404 on accessing quarantined media: %s"
|
||||
% server_and_media_id_1
|
||||
),
|
||||
)
|
||||
|
||||
request, channel = self.make_request(
|
||||
"GET",
|
||||
server_and_media_id_2,
|
||||
shorthand=False,
|
||||
access_token=non_admin_user_tok,
|
||||
)
|
||||
request.render(self.download_resource)
|
||||
self.pump(1.0)
|
||||
|
||||
# Should be quarantined
|
||||
self.assertEqual(
|
||||
404,
|
||||
int(channel.code),
|
||||
msg=(
|
||||
"Expected to receive a 404 on accessing quarantined media: %s"
|
||||
% server_and_media_id_2
|
||||
),
|
||||
)
|
||||
|
||||
def test_quarantine_all_media_by_user(self):
|
||||
self.register_user("user_admin", "pass", admin=True)
|
||||
admin_user_tok = self.login("user_admin", "pass")
|
||||
|
||||
non_admin_user = self.register_user("user_nonadmin", "pass", admin=False)
|
||||
non_admin_user_tok = self.login("user_nonadmin", "pass")
|
||||
|
||||
# Upload some media
|
||||
response_1 = self.helper.upload_media(
|
||||
self.upload_resource, self.image_data, tok=non_admin_user_tok
|
||||
)
|
||||
response_2 = self.helper.upload_media(
|
||||
self.upload_resource, self.image_data, tok=non_admin_user_tok
|
||||
)
|
||||
|
||||
# Extract media IDs
|
||||
server_and_media_id_1 = response_1["content_uri"][6:]
|
||||
server_and_media_id_2 = response_2["content_uri"][6:]
|
||||
|
||||
# Quarantine all media by this user
|
||||
url = "/_synapse/admin/v1/user/%s/media/quarantine" % urllib.parse.quote(
|
||||
non_admin_user
|
||||
)
|
||||
request, channel = self.make_request(
|
||||
"POST", url.encode("ascii"), access_token=admin_user_tok,
|
||||
)
|
||||
self.render(request)
|
||||
self.pump(1.0)
|
||||
self.assertEqual(200, int(channel.result["code"]), msg=channel.result["body"])
|
||||
self.assertEqual(
|
||||
json.loads(channel.result["body"].decode("utf-8")),
|
||||
{"num_quarantined": 2},
|
||||
"Expected 2 quarantined items",
|
||||
)
|
||||
|
||||
# Attempt to access each piece of media
|
||||
request, channel = self.make_request(
|
||||
"GET",
|
||||
server_and_media_id_1,
|
||||
shorthand=False,
|
||||
access_token=non_admin_user_tok,
|
||||
)
|
||||
request.render(self.download_resource)
|
||||
self.pump(1.0)
|
||||
|
||||
# Should be quarantined
|
||||
self.assertEqual(
|
||||
404,
|
||||
int(channel.code),
|
||||
msg=(
|
||||
"Expected to receive a 404 on accessing quarantined media: %s"
|
||||
% server_and_media_id_1,
|
||||
),
|
||||
)
|
||||
|
||||
# Attempt to access each piece of media
|
||||
request, channel = self.make_request(
|
||||
"GET",
|
||||
server_and_media_id_2,
|
||||
shorthand=False,
|
||||
access_token=non_admin_user_tok,
|
||||
)
|
||||
request.render(self.download_resource)
|
||||
self.pump(1.0)
|
||||
|
||||
# Should be quarantined
|
||||
self.assertEqual(
|
||||
404,
|
||||
int(channel.code),
|
||||
msg=(
|
||||
"Expected to receive a 404 on accessing quarantined media: %s"
|
||||
% server_and_media_id_2
|
||||
),
|
||||
)
|
||||
|
|
|
|||
|
|
@ -21,6 +21,8 @@ import time
|
|||
|
||||
import attr
|
||||
|
||||
from twisted.web.resource import Resource
|
||||
|
||||
from synapse.api.constants import Membership
|
||||
|
||||
from tests.server import make_request, render
|
||||
|
|
@ -160,3 +162,38 @@ class RestHelper(object):
|
|||
)
|
||||
|
||||
return channel.json_body
|
||||
|
||||
def upload_media(
|
||||
self,
|
||||
resource: Resource,
|
||||
image_data: bytes,
|
||||
tok: str,
|
||||
filename: str = "test.png",
|
||||
expect_code: int = 200,
|
||||
) -> dict:
|
||||
"""Upload a piece of test media to the media repo
|
||||
Args:
|
||||
resource: The resource that will handle the upload request
|
||||
image_data: The image data to upload
|
||||
tok: The user token to use during the upload
|
||||
filename: The filename of the media to be uploaded
|
||||
expect_code: The return code to expect from attempting to upload the media
|
||||
"""
|
||||
image_length = len(image_data)
|
||||
path = "/_matrix/media/r0/upload?filename=%s" % (filename,)
|
||||
request, channel = make_request(
|
||||
self.hs.get_reactor(), "POST", path, content=image_data, access_token=tok
|
||||
)
|
||||
request.requestHeaders.addRawHeader(
|
||||
b"Content-Length", str(image_length).encode("UTF-8")
|
||||
)
|
||||
request.render(resource)
|
||||
self.hs.get_reactor().pump([100])
|
||||
|
||||
assert channel.code == expect_code, "Expected: %d, got: %d, resp: %r" % (
|
||||
expect_code,
|
||||
int(channel.result["code"]),
|
||||
channel.result["body"],
|
||||
)
|
||||
|
||||
return channel.json_body
|
||||
|
|
|
|||
Loading…
Reference in a new issue