diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/handlers/room.py | 208 | ||||
| -rw-r--r-- | synapse/rest/admin/__init__.py | 2 | ||||
| -rw-r--r-- | synapse/rest/admin/rooms.py | 157 | ||||
| -rw-r--r-- | synapse/server.py | 10 | ||||
| -rw-r--r-- | synapse/server.pyi | 2 | ||||
| -rw-r--r-- | synapse/storage/data_stores/main/room.py | 7 |
6 files changed, 273 insertions, 113 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 950a84acd0..fb37d371ad 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -22,11 +22,12 @@ import logging import math import string from collections import OrderedDict -from typing import Tuple +from typing import Optional, Tuple from synapse.api.constants import ( EventTypes, JoinRules, + Membership, RoomCreationPreset, RoomEncryptionAlgorithms, ) @@ -43,9 +44,10 @@ from synapse.types import ( StateMap, StreamToken, UserID, + create_requester, ) from synapse.util import stringutils -from synapse.util.async_helpers import Linearizer +from synapse.util.async_helpers import Linearizer, maybe_awaitable from synapse.util.caches.response_cache import ResponseCache from synapse.visibility import filter_events_for_client @@ -1089,3 +1091,205 @@ class RoomEventSource(object): def get_current_key_for_room(self, room_id): return self.store.get_room_events_max_id(room_id) + + +class RoomShutdownHandler(object): + + DEFAULT_MESSAGE = ( + "Sharing illegal content on this server is not permitted and rooms in" + " violation will be blocked." + ) + DEFAULT_ROOM_NAME = "Content Violation Notification" + + def __init__(self, hs): + self.hs = hs + self.room_member_handler = hs.get_room_member_handler() + self._room_creation_handler = hs.get_room_creation_handler() + self._replication = hs.get_replication_data_handler() + self.event_creation_handler = hs.get_event_creation_handler() + self.state = hs.get_state_handler() + self.store = hs.get_datastore() + + async def shutdown_room( + self, + room_id: str, + requester_user_id: str, + new_room_user_id: Optional[str] = None, + new_room_name: Optional[str] = None, + message: Optional[str] = None, + block: bool = False, + ) -> dict: + """ + Shuts down a room. Moves all local users and room aliases automatically + to a new room if `new_room_user_id` is set. Otherwise local users only + leave the room without any information. + + The new room will be created with the user specified by the + `new_room_user_id` parameter as room administrator and will contain a + message explaining what happened. Users invited to the new room will + have power level `-10` by default, and thus be unable to speak. + + The local server will only have the power to move local user and room + aliases to the new room. Users on other servers will be unaffected. + + Args: + room_id: The ID of the room to shut down. + requester_user_id: + User who requested the action and put the room on the + blocking list. + new_room_user_id: + If set, a new room will be created with this user ID + as the creator and admin, and all users in the old room will be + moved into that room. If not set, no new room will be created + and the users will just be removed from the old room. + new_room_name: + A string representing the name of the room that new users will + be invited to. Defaults to `Content Violation Notification` + message: + A string containing the first message that will be sent as + `new_room_user_id` in the new room. Ideally this will clearly + convey why the original room was shut down. + Defaults to `Sharing illegal content on this server is not + permitted and rooms in violation will be blocked.` + block: + If set to `true`, this room will be added to a blocking list, + preventing future attempts to join the room. Defaults to `false`. + + Returns: a dict containing the following keys: + kicked_users: An array of users (`user_id`) that were kicked. + failed_to_kick_users: + An array of users (`user_id`) that that were not kicked. + local_aliases: + An array of strings representing the local aliases that were + migrated from the old room to the new. + new_room_id: A string representing the room ID of the new room. + """ + + if not new_room_name: + new_room_name = self.DEFAULT_ROOM_NAME + if not message: + message = self.DEFAULT_MESSAGE + + if not RoomID.is_valid(room_id): + raise SynapseError(400, "%s is not a legal room ID" % (room_id,)) + + if not await self.store.get_room(room_id): + raise NotFoundError("Unknown room id %s" % (room_id,)) + + # This will work even if the room is already blocked, but that is + # desirable in case the first attempt at blocking the room failed below. + if block: + await self.store.block_room(room_id, requester_user_id) + + if new_room_user_id is not None: + if not self.hs.is_mine_id(new_room_user_id): + raise SynapseError( + 400, "User must be our own: %s" % (new_room_user_id,) + ) + + room_creator_requester = create_requester(new_room_user_id) + + info, stream_id = await self._room_creation_handler.create_room( + room_creator_requester, + config={ + "preset": RoomCreationPreset.PUBLIC_CHAT, + "name": new_room_name, + "power_level_content_override": {"users_default": -10}, + }, + ratelimit=False, + ) + new_room_id = info["room_id"] + + logger.info( + "Shutting down room %r, joining to new room: %r", room_id, new_room_id + ) + + # We now wait for the create room to come back in via replication so + # that we can assume that all the joins/invites have propogated before + # we try and auto join below. + # + # TODO: Currently the events stream is written to from master + await self._replication.wait_for_stream_position( + self.hs.config.worker.writers.events, "events", stream_id + ) + else: + new_room_id = None + logger.info("Shutting down room %r", room_id) + + users = await self.state.get_current_users_in_room(room_id) + kicked_users = [] + failed_to_kick_users = [] + for user_id in users: + if not self.hs.is_mine_id(user_id): + continue + + logger.info("Kicking %r from %r...", user_id, room_id) + + try: + # Kick users from room + target_requester = create_requester(user_id) + _, stream_id = await self.room_member_handler.update_membership( + requester=target_requester, + target=target_requester.user, + room_id=room_id, + action=Membership.LEAVE, + content={}, + ratelimit=False, + require_consent=False, + ) + + # Wait for leave to come in over replication before trying to forget. + await self._replication.wait_for_stream_position( + self.hs.config.worker.writers.events, "events", stream_id + ) + + await self.room_member_handler.forget(target_requester.user, room_id) + + # Join users to new room + if new_room_user_id: + await self.room_member_handler.update_membership( + requester=target_requester, + target=target_requester.user, + room_id=new_room_id, + action=Membership.JOIN, + content={}, + ratelimit=False, + require_consent=False, + ) + + kicked_users.append(user_id) + except Exception: + logger.exception( + "Failed to leave old room and join new room for %r", user_id + ) + failed_to_kick_users.append(user_id) + + # Send message in new room and move aliases + if new_room_user_id: + await self.event_creation_handler.create_and_send_nonmember_event( + room_creator_requester, + { + "type": "m.room.message", + "content": {"body": message, "msgtype": "m.text"}, + "room_id": new_room_id, + "sender": new_room_user_id, + }, + ratelimit=False, + ) + + aliases_for_room = await maybe_awaitable( + self.store.get_aliases_for_room(room_id) + ) + + await self.store.update_aliases_for_room( + room_id, new_room_id, requester_user_id + ) + else: + aliases_for_room = [] + + return { + "kicked_users": kicked_users, + "failed_to_kick_users": failed_to_kick_users, + "local_aliases": aliases_for_room, + "new_room_id": new_room_id, + } diff --git a/synapse/rest/admin/__init__.py b/synapse/rest/admin/__init__.py index 9eda592de9..dc373bc5a3 100644 --- a/synapse/rest/admin/__init__.py +++ b/synapse/rest/admin/__init__.py @@ -35,6 +35,7 @@ from synapse.rest.admin.groups import DeleteGroupAdminRestServlet from synapse.rest.admin.media import ListMediaInRoom, register_servlets_for_media_repo from synapse.rest.admin.purge_room_servlet import PurgeRoomServlet from synapse.rest.admin.rooms import ( + DeleteRoomRestServlet, JoinRoomAliasServlet, ListRoomRestServlet, RoomRestServlet, @@ -200,6 +201,7 @@ def register_servlets(hs, http_server): register_servlets_for_client_rest_resource(hs, http_server) ListRoomRestServlet(hs).register(http_server) RoomRestServlet(hs).register(http_server) + DeleteRoomRestServlet(hs).register(http_server) JoinRoomAliasServlet(hs).register(http_server) PurgeRoomServlet(hs).register(http_server) SendServerNoticeServlet(hs).register(http_server) diff --git a/synapse/rest/admin/rooms.py b/synapse/rest/admin/rooms.py index e07c32118d..544be47060 100644 --- a/synapse/rest/admin/rooms.py +++ b/synapse/rest/admin/rooms.py @@ -13,9 +13,10 @@ # See the License for the specific language governing permissions and # limitations under the License. import logging +from http import HTTPStatus from typing import List, Optional -from synapse.api.constants import EventTypes, JoinRules, Membership, RoomCreationPreset +from synapse.api.constants import EventTypes, JoinRules from synapse.api.errors import Codes, NotFoundError, SynapseError from synapse.http.servlet import ( RestServlet, @@ -32,7 +33,6 @@ from synapse.rest.admin._base import ( ) from synapse.storage.data_stores.main.room import RoomSortOrder from synapse.types import RoomAlias, RoomID, UserID, create_requester -from synapse.util.async_helpers import maybe_awaitable logger = logging.getLogger(__name__) @@ -46,20 +46,10 @@ class ShutdownRoomRestServlet(RestServlet): PATTERNS = historical_admin_path_patterns("/shutdown_room/(?P<room_id>[^/]+)") - DEFAULT_MESSAGE = ( - "Sharing illegal content on this server is not permitted and rooms in" - " violation will be blocked." - ) - def __init__(self, hs): self.hs = hs - self.store = hs.get_datastore() - self.state = hs.get_state_handler() - self._room_creation_handler = hs.get_room_creation_handler() - self.event_creation_handler = hs.get_event_creation_handler() - self.room_member_handler = hs.get_room_member_handler() self.auth = hs.get_auth() - self._replication = hs.get_replication_data_handler() + self.room_shutdown_handler = hs.get_room_shutdown_handler() async def on_POST(self, request, room_id): requester = await self.auth.get_user_by_req(request) @@ -67,116 +57,65 @@ class ShutdownRoomRestServlet(RestServlet): content = parse_json_object_from_request(request) assert_params_in_dict(content, ["new_room_user_id"]) - new_room_user_id = content["new_room_user_id"] - - room_creator_requester = create_requester(new_room_user_id) - - message = content.get("message", self.DEFAULT_MESSAGE) - room_name = content.get("room_name", "Content Violation Notification") - info, stream_id = await self._room_creation_handler.create_room( - room_creator_requester, - config={ - "preset": RoomCreationPreset.PUBLIC_CHAT, - "name": room_name, - "power_level_content_override": {"users_default": -10}, - }, - ratelimit=False, + ret = await self.room_shutdown_handler.shutdown_room( + room_id=room_id, + new_room_user_id=content["new_room_user_id"], + new_room_name=content.get("room_name"), + message=content.get("message"), + requester_user_id=requester.user.to_string(), + block=True, ) - new_room_id = info["room_id"] - requester_user_id = requester.user.to_string() + return (200, ret) - logger.info( - "Shutting down room %r, joining to new room: %r", room_id, new_room_id - ) - - # This will work even if the room is already blocked, but that is - # desirable in case the first attempt at blocking the room failed below. - await self.store.block_room(room_id, requester_user_id) - - # We now wait for the create room to come back in via replication so - # that we can assume that all the joins/invites have propogated before - # we try and auto join below. - # - # TODO: Currently the events stream is written to from master - await self._replication.wait_for_stream_position( - self.hs.config.worker.writers.events, "events", stream_id - ) - users = await self.state.get_current_users_in_room(room_id) - kicked_users = [] - failed_to_kick_users = [] - for user_id in users: - if not self.hs.is_mine_id(user_id): - continue +class DeleteRoomRestServlet(RestServlet): + """Delete a room from server. It is a combination and improvement of + shut down and purge room. + Shuts down a room by removing all local users from the room. + Blocking all future invites and joins to the room is optional. + If desired any local aliases will be repointed to a new room + created by `new_room_user_id` and kicked users will be auto + joined to the new room. + It will remove all trace of a room from the database. + """ - logger.info("Kicking %r from %r...", user_id, room_id) + PATTERNS = admin_patterns("/rooms/(?P<room_id>[^/]+)/delete$") - try: - target_requester = create_requester(user_id) - _, stream_id = await self.room_member_handler.update_membership( - requester=target_requester, - target=target_requester.user, - room_id=room_id, - action=Membership.LEAVE, - content={}, - ratelimit=False, - require_consent=False, - ) - - # Wait for leave to come in over replication before trying to forget. - await self._replication.wait_for_stream_position( - self.hs.config.worker.writers.events, "events", stream_id - ) + def __init__(self, hs): + self.hs = hs + self.auth = hs.get_auth() + self.room_shutdown_handler = hs.get_room_shutdown_handler() + self.pagination_handler = hs.get_pagination_handler() - await self.room_member_handler.forget(target_requester.user, room_id) + async def on_POST(self, request, room_id): + requester = await self.auth.get_user_by_req(request) + await assert_user_is_admin(self.auth, requester.user) - await self.room_member_handler.update_membership( - requester=target_requester, - target=target_requester.user, - room_id=new_room_id, - action=Membership.JOIN, - content={}, - ratelimit=False, - require_consent=False, - ) + content = parse_json_object_from_request(request) - kicked_users.append(user_id) - except Exception: - logger.exception( - "Failed to leave old room and join new room for %r", user_id - ) - failed_to_kick_users.append(user_id) - - await self.event_creation_handler.create_and_send_nonmember_event( - room_creator_requester, - { - "type": "m.room.message", - "content": {"body": message, "msgtype": "m.text"}, - "room_id": new_room_id, - "sender": new_room_user_id, - }, - ratelimit=False, - ) + block = content.get("block", False) + if not isinstance(block, bool): + raise SynapseError( + HTTPStatus.BAD_REQUEST, + "Param 'block' must be a boolean, if given", + Codes.BAD_JSON, + ) - aliases_for_room = await maybe_awaitable( - self.store.get_aliases_for_room(room_id) + ret = await self.room_shutdown_handler.shutdown_room( + room_id=room_id, + new_room_user_id=content.get("new_room_user_id"), + new_room_name=content.get("room_name"), + message=content.get("message"), + requester_user_id=requester.user.to_string(), + block=block, ) - await self.store.update_aliases_for_room( - room_id, new_room_id, requester_user_id - ) + # Purge room + await self.pagination_handler.purge_room(room_id) - return ( - 200, - { - "kicked_users": kicked_users, - "failed_to_kick_users": failed_to_kick_users, - "local_aliases": aliases_for_room, - "new_room_id": new_room_id, - }, - ) + return (200, ret) class ListRoomRestServlet(RestServlet): diff --git a/synapse/server.py b/synapse/server.py index 6acce2e23f..d5ebaea7f7 100644 --- a/synapse/server.py +++ b/synapse/server.py @@ -73,7 +73,11 @@ from synapse.handlers.profile import BaseProfileHandler, MasterProfileHandler from synapse.handlers.read_marker import ReadMarkerHandler from synapse.handlers.receipts import ReceiptsHandler from synapse.handlers.register import RegistrationHandler -from synapse.handlers.room import RoomContextHandler, RoomCreationHandler +from synapse.handlers.room import ( + RoomContextHandler, + RoomCreationHandler, + RoomShutdownHandler, +) from synapse.handlers.room_list import RoomListHandler from synapse.handlers.room_member import RoomMemberMasterHandler from synapse.handlers.room_member_worker import RoomMemberWorkerHandler @@ -144,6 +148,7 @@ class HomeServer(object): "handlers", "auth", "room_creation_handler", + "room_shutdown_handler", "state_handler", "state_resolution_handler", "presence_handler", @@ -357,6 +362,9 @@ class HomeServer(object): def build_room_creation_handler(self): return RoomCreationHandler(self) + def build_room_shutdown_handler(self): + return RoomShutdownHandler(self) + def build_sendmail(self): return sendmail diff --git a/synapse/server.pyi b/synapse/server.pyi index fe8024d2d4..58cd099e6d 100644 --- a/synapse/server.pyi +++ b/synapse/server.pyi @@ -71,6 +71,8 @@ class HomeServer(object): pass def get_room_member_handler(self) -> synapse.handlers.room_member.RoomMemberHandler: pass + def get_room_shutdown_handler(self) -> synapse.handlers.room.RoomShutdownHandler: + pass def get_event_creation_handler( self, ) -> synapse.handlers.message.EventCreationHandler: diff --git a/synapse/storage/data_stores/main/room.py b/synapse/storage/data_stores/main/room.py index c473cf158f..dace20e6db 100644 --- a/synapse/storage/data_stores/main/room.py +++ b/synapse/storage/data_stores/main/room.py @@ -118,7 +118,12 @@ class RoomWorkerStore(SQLBaseStore): WHERE room_id = ? """ txn.execute(sql, [room_id]) - res = self.db.cursor_to_dict(txn)[0] + # Catch error if sql returns empty result to return "None" instead of an error + try: + res = self.db.cursor_to_dict(txn)[0] + except IndexError: + return None + res["federatable"] = bool(res["federatable"]) res["public"] = bool(res["public"]) return res |