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Merge pull request #2291 from matrix-org/erikj/shutdown_room
Add shutdown room API
This commit is contained in:
commit
b5f665de32
@ -1068,6 +1068,10 @@ class FederationHandler(BaseHandler):
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"""
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event = pdu
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is_blocked = yield self.store.is_room_blocked(event.room_id)
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if is_blocked:
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raise SynapseError(403, "This room has been blocked on this server")
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event.internal_metadata.outlier = True
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event.internal_metadata.invite_from_remote = True
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@ -61,7 +61,7 @@ class RoomCreationHandler(BaseHandler):
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}
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@defer.inlineCallbacks
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def create_room(self, requester, config):
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def create_room(self, requester, config, ratelimit=True):
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""" Creates a new room.
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Args:
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@ -75,7 +75,8 @@ class RoomCreationHandler(BaseHandler):
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"""
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user_id = requester.user.to_string()
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yield self.ratelimit(requester)
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if ratelimit:
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yield self.ratelimit(requester)
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if "room_alias_name" in config:
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for wchar in string.whitespace:
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@ -167,6 +168,7 @@ class RoomCreationHandler(BaseHandler):
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initial_state=initial_state,
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creation_content=creation_content,
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room_alias=room_alias,
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power_level_content_override=config.get("power_level_content_override", {})
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)
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if "name" in config:
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@ -245,7 +247,8 @@ class RoomCreationHandler(BaseHandler):
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invite_list,
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initial_state,
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creation_content,
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room_alias
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room_alias,
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power_level_content_override,
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):
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def create(etype, content, **kwargs):
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e = {
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@ -291,7 +294,15 @@ class RoomCreationHandler(BaseHandler):
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ratelimit=False,
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)
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if (EventTypes.PowerLevels, '') not in initial_state:
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# We treat the power levels override specially as this needs to be one
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# of the first events that get sent into a room.
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pl_content = initial_state.pop((EventTypes.PowerLevels, ''), None)
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if pl_content is not None:
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yield send(
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etype=EventTypes.PowerLevels,
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content=pl_content,
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)
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else:
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power_level_content = {
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"users": {
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creator_id: 100,
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@ -316,6 +327,8 @@ class RoomCreationHandler(BaseHandler):
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for invitee in invite_list:
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power_level_content["users"][invitee] = 100
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power_level_content.update(power_level_content_override)
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yield send(
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etype=EventTypes.PowerLevels,
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content=power_level_content,
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@ -203,6 +203,11 @@ class RoomMemberHandler(BaseHandler):
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if not remote_room_hosts:
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remote_room_hosts = []
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if effective_membership_state not in ("leave", "ban",):
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is_blocked = yield self.store.is_room_blocked(room_id)
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if is_blocked:
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raise SynapseError(403, "This room has been blocked on this server")
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latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
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current_state_ids = yield self.state_handler.get_current_state_ids(
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room_id, latest_event_ids=latest_event_ids,
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@ -369,6 +374,11 @@ class RoomMemberHandler(BaseHandler):
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# so don't really fit into the general auth process.
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raise AuthError(403, "Guest access not allowed")
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if event.membership not in (Membership.LEAVE, Membership.BAN):
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is_blocked = yield self.store.is_room_blocked(room_id)
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if is_blocked:
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raise SynapseError(403, "This room has been blocked on this server")
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yield message_handler.handle_new_client_event(
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requester,
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event,
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@ -15,8 +15,9 @@
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from twisted.internet import defer
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from synapse.api.constants import Membership
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from synapse.api.errors import AuthError, SynapseError
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from synapse.types import UserID
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from synapse.types import UserID, create_requester
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from synapse.http.servlet import parse_json_object_from_request
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from .base import ClientV1RestServlet, client_path_patterns
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@ -157,6 +158,118 @@ class DeactivateAccountRestServlet(ClientV1RestServlet):
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defer.returnValue((200, {}))
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class ShutdownRoomRestServlet(ClientV1RestServlet):
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"""Shuts down a room by removing all local users from the room and blocking
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all future invites and joins to the room. Any local aliases will be repointed
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to a new room created by `new_room_user_id` and kicked users will be auto
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joined to the new room.
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"""
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PATTERNS = client_path_patterns("/admin/shutdown_room/(?P<room_id>[^/]+)")
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DEFAULT_MESSAGE = (
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"Sharing illegal content on this server is not permitted and rooms in"
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" violatation will be blocked."
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)
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def __init__(self, hs):
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super(ShutdownRoomRestServlet, self).__init__(hs)
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self.store = hs.get_datastore()
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self.handlers = hs.get_handlers()
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self.state = hs.get_state_handler()
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@defer.inlineCallbacks
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def on_POST(self, request, room_id):
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requester = yield self.auth.get_user_by_req(request)
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is_admin = yield self.auth.is_server_admin(requester.user)
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if not is_admin:
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raise AuthError(403, "You are not a server admin")
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content = parse_json_object_from_request(request)
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new_room_user_id = content.get("new_room_user_id")
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if not new_room_user_id:
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raise SynapseError(400, "Please provide field `new_room_user_id`")
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room_creator_requester = create_requester(new_room_user_id)
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message = content.get("message", self.DEFAULT_MESSAGE)
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room_name = content.get("room_name", "Content Violation Notification")
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info = yield self.handlers.room_creation_handler.create_room(
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room_creator_requester,
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config={
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"preset": "public_chat",
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"name": room_name,
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"power_level_content_override": {
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"users_default": -10,
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},
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},
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ratelimit=False,
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)
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new_room_id = info["room_id"]
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msg_handler = self.handlers.message_handler
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yield msg_handler.create_and_send_nonmember_event(
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room_creator_requester,
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{
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"type": "m.room.message",
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"content": {"body": message, "msgtype": "m.text"},
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"room_id": new_room_id,
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"sender": new_room_user_id,
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},
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ratelimit=False,
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)
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requester_user_id = requester.user.to_string()
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logger.info("Shutting down room %r", room_id)
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yield self.store.block_room(room_id, requester_user_id)
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users = yield self.state.get_current_user_in_room(room_id)
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kicked_users = []
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for user_id in users:
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if not self.hs.is_mine_id(user_id):
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continue
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logger.info("Kicking %r from %r...", user_id, room_id)
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target_requester = create_requester(user_id)
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yield self.handlers.room_member_handler.update_membership(
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requester=target_requester,
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target=target_requester.user,
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room_id=room_id,
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action=Membership.LEAVE,
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content={},
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ratelimit=False
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)
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yield self.handlers.room_member_handler.forget(target_requester.user, room_id)
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yield self.handlers.room_member_handler.update_membership(
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requester=target_requester,
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target=target_requester.user,
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room_id=new_room_id,
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action=Membership.JOIN,
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content={},
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ratelimit=False
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)
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kicked_users.append(user_id)
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aliases_for_room = yield self.store.get_aliases_for_room(room_id)
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yield self.store.update_aliases_for_room(
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room_id, new_room_id, requester_user_id
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)
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defer.returnValue((200, {
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"kicked_users": kicked_users,
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"local_aliases": aliases_for_room,
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"new_room_id": new_room_id,
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}))
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class ResetPasswordRestServlet(ClientV1RestServlet):
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"""Post request to allow an administrator reset password for a user.
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This need a user have a administrator access in Synapse.
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@ -353,3 +466,4 @@ def register_servlets(hs, http_server):
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ResetPasswordRestServlet(hs).register(http_server)
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GetUsersPaginatedRestServlet(hs).register(http_server)
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SearchUsersRestServlet(hs).register(http_server)
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ShutdownRoomRestServlet(hs).register(http_server)
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@ -170,3 +170,17 @@ class DirectoryStore(SQLBaseStore):
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"room_alias",
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desc="get_aliases_for_room",
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)
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def update_aliases_for_room(self, old_room_id, new_room_id, creator):
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def _update_aliases_for_room_txn(txn):
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sql = "UPDATE room_aliases SET room_id = ?, creator = ? WHERE room_id = ?"
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txn.execute(sql, (new_room_id, creator, old_room_id,))
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self._invalidate_cache_and_stream(
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txn, self.get_aliases_for_room, (old_room_id,)
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)
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self._invalidate_cache_and_stream(
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txn, self.get_aliases_for_room, (new_room_id,)
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)
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return self.runInteraction(
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"_update_aliases_for_room_txn", _update_aliases_for_room_txn
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)
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@ -507,3 +507,27 @@ class RoomStore(SQLBaseStore):
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))
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else:
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defer.returnValue(None)
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@cached(max_entries=10000)
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def is_room_blocked(self, room_id):
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return self._simple_select_one_onecol(
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table="blocked_rooms",
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keyvalues={
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"room_id": room_id,
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},
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retcol="1",
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allow_none=True,
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desc="is_room_blocked",
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)
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@defer.inlineCallbacks
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def block_room(self, room_id, user_id):
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yield self._simple_insert(
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table="blocked_rooms",
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values={
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"room_id": room_id,
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"user_id": user_id,
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},
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desc="block_room",
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)
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self.is_room_blocked.invalidate((room_id,))
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21
synapse/storage/schema/delta/43/blocked_rooms.sql
Normal file
21
synapse/storage/schema/delta/43/blocked_rooms.sql
Normal file
@ -0,0 +1,21 @@
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/* Copyright 2017 Vector Creations 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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*/
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CREATE TABLE blocked_rooms (
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room_id TEXT NOT NULL,
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user_id TEXT NOT NULL -- Admin who blocked the room
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);
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CREATE UNIQUE INDEX blocked_rooms_idx ON blocked_rooms(room_id);
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