diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 39d2bee8da..f7ae369a1d 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -1068,6 +1068,10 @@ class FederationHandler(BaseHandler):
"""
event = pdu
+ is_blocked = yield self.store.is_room_blocked(event.room_id)
+ if is_blocked:
+ raise SynapseError(403, "This room has been blocked on this server")
+
event.internal_metadata.outlier = True
event.internal_metadata.invite_from_remote = True
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index d2a0d6520a..5698d28088 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -61,7 +61,7 @@ class RoomCreationHandler(BaseHandler):
}
@defer.inlineCallbacks
- def create_room(self, requester, config):
+ def create_room(self, requester, config, ratelimit=True):
""" Creates a new room.
Args:
@@ -75,7 +75,8 @@ class RoomCreationHandler(BaseHandler):
"""
user_id = requester.user.to_string()
- yield self.ratelimit(requester)
+ if ratelimit:
+ yield self.ratelimit(requester)
if "room_alias_name" in config:
for wchar in string.whitespace:
@@ -167,6 +168,7 @@ class RoomCreationHandler(BaseHandler):
initial_state=initial_state,
creation_content=creation_content,
room_alias=room_alias,
+ power_level_content_override=config.get("power_level_content_override", {})
)
if "name" in config:
@@ -245,7 +247,8 @@ class RoomCreationHandler(BaseHandler):
invite_list,
initial_state,
creation_content,
- room_alias
+ room_alias,
+ power_level_content_override,
):
def create(etype, content, **kwargs):
e = {
@@ -291,7 +294,15 @@ class RoomCreationHandler(BaseHandler):
ratelimit=False,
)
- if (EventTypes.PowerLevels, '') not in initial_state:
+ # We treat the power levels override specially as this needs to be one
+ # of the first events that get sent into a room.
+ pl_content = initial_state.pop((EventTypes.PowerLevels, ''), None)
+ if pl_content is not None:
+ yield send(
+ etype=EventTypes.PowerLevels,
+ content=pl_content,
+ )
+ else:
power_level_content = {
"users": {
creator_id: 100,
@@ -316,6 +327,8 @@ class RoomCreationHandler(BaseHandler):
for invitee in invite_list:
power_level_content["users"][invitee] = 100
+ power_level_content.update(power_level_content_override)
+
yield send(
etype=EventTypes.PowerLevels,
content=power_level_content,
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 1ca88517a2..b3f979b246 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -203,6 +203,11 @@ class RoomMemberHandler(BaseHandler):
if not remote_room_hosts:
remote_room_hosts = []
+ if effective_membership_state not in ("leave", "ban",):
+ is_blocked = yield self.store.is_room_blocked(room_id)
+ if is_blocked:
+ raise SynapseError(403, "This room has been blocked on this server")
+
latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
current_state_ids = yield self.state_handler.get_current_state_ids(
room_id, latest_event_ids=latest_event_ids,
@@ -369,6 +374,11 @@ class RoomMemberHandler(BaseHandler):
# so don't really fit into the general auth process.
raise AuthError(403, "Guest access not allowed")
+ if event.membership not in (Membership.LEAVE, Membership.BAN):
+ is_blocked = yield self.store.is_room_blocked(room_id)
+ if is_blocked:
+ raise SynapseError(403, "This room has been blocked on this server")
+
yield message_handler.handle_new_client_event(
requester,
event,
diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py
index 29fcd72375..aaa3dffb1b 100644
--- a/synapse/rest/client/v1/admin.py
+++ b/synapse/rest/client/v1/admin.py
@@ -15,8 +15,9 @@
from twisted.internet import defer
+from synapse.api.constants import Membership
from synapse.api.errors import AuthError, SynapseError
-from synapse.types import UserID
+from synapse.types import UserID, create_requester
from synapse.http.servlet import parse_json_object_from_request
from .base import ClientV1RestServlet, client_path_patterns
@@ -157,6 +158,118 @@ class DeactivateAccountRestServlet(ClientV1RestServlet):
defer.returnValue((200, {}))
+class ShutdownRoomRestServlet(ClientV1RestServlet):
+ """Shuts down a room by removing all local users from the room and blocking
+ all future invites and joins to the room. 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.
+ """
+ PATTERNS = client_path_patterns("/admin/shutdown_room/(?P<room_id>[^/]+)")
+
+ DEFAULT_MESSAGE = (
+ "Sharing illegal content on this server is not permitted and rooms in"
+ " violatation will be blocked."
+ )
+
+ def __init__(self, hs):
+ super(ShutdownRoomRestServlet, self).__init__(hs)
+ self.store = hs.get_datastore()
+ self.handlers = hs.get_handlers()
+ self.state = hs.get_state_handler()
+
+ @defer.inlineCallbacks
+ def on_POST(self, request, room_id):
+ requester = yield self.auth.get_user_by_req(request)
+ is_admin = yield self.auth.is_server_admin(requester.user)
+ if not is_admin:
+ raise AuthError(403, "You are not a server admin")
+
+ content = parse_json_object_from_request(request)
+
+ new_room_user_id = content.get("new_room_user_id")
+ if not new_room_user_id:
+ raise SynapseError(400, "Please provide field `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 = yield self.handlers.room_creation_handler.create_room(
+ room_creator_requester,
+ config={
+ "preset": "public_chat",
+ "name": room_name,
+ "power_level_content_override": {
+ "users_default": -10,
+ },
+ },
+ ratelimit=False,
+ )
+ new_room_id = info["room_id"]
+
+ msg_handler = self.handlers.message_handler
+ yield msg_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,
+ )
+
+ requester_user_id = requester.user.to_string()
+
+ logger.info("Shutting down room %r", room_id)
+
+ yield self.store.block_room(room_id, requester_user_id)
+
+ users = yield self.state.get_current_user_in_room(room_id)
+ kicked_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)
+
+ target_requester = create_requester(user_id)
+ yield self.handlers.room_member_handler.update_membership(
+ requester=target_requester,
+ target=target_requester.user,
+ room_id=room_id,
+ action=Membership.LEAVE,
+ content={},
+ ratelimit=False
+ )
+
+ yield self.handlers.room_member_handler.forget(target_requester.user, room_id)
+
+ yield self.handlers.room_member_handler.update_membership(
+ requester=target_requester,
+ target=target_requester.user,
+ room_id=new_room_id,
+ action=Membership.JOIN,
+ content={},
+ ratelimit=False
+ )
+
+ kicked_users.append(user_id)
+
+ aliases_for_room = yield self.store.get_aliases_for_room(room_id)
+
+ yield self.store.update_aliases_for_room(
+ room_id, new_room_id, requester_user_id
+ )
+
+ defer.returnValue((200, {
+ "kicked_users": kicked_users,
+ "local_aliases": aliases_for_room,
+ "new_room_id": new_room_id,
+ }))
+
+
class ResetPasswordRestServlet(ClientV1RestServlet):
"""Post request to allow an administrator reset password for a user.
This need a user have a administrator access in Synapse.
@@ -353,3 +466,4 @@ def register_servlets(hs, http_server):
ResetPasswordRestServlet(hs).register(http_server)
GetUsersPaginatedRestServlet(hs).register(http_server)
SearchUsersRestServlet(hs).register(http_server)
+ ShutdownRoomRestServlet(hs).register(http_server)
diff --git a/synapse/storage/directory.py b/synapse/storage/directory.py
index 9caaf81f2c..79e7c540ad 100644
--- a/synapse/storage/directory.py
+++ b/synapse/storage/directory.py
@@ -170,3 +170,17 @@ class DirectoryStore(SQLBaseStore):
"room_alias",
desc="get_aliases_for_room",
)
+
+ def update_aliases_for_room(self, old_room_id, new_room_id, creator):
+ def _update_aliases_for_room_txn(txn):
+ sql = "UPDATE room_aliases SET room_id = ?, creator = ? WHERE room_id = ?"
+ txn.execute(sql, (new_room_id, creator, old_room_id,))
+ self._invalidate_cache_and_stream(
+ txn, self.get_aliases_for_room, (old_room_id,)
+ )
+ self._invalidate_cache_and_stream(
+ txn, self.get_aliases_for_room, (new_room_id,)
+ )
+ return self.runInteraction(
+ "_update_aliases_for_room_txn", _update_aliases_for_room_txn
+ )
diff --git a/synapse/storage/room.py b/synapse/storage/room.py
index 5d543652bb..07366f66b6 100644
--- a/synapse/storage/room.py
+++ b/synapse/storage/room.py
@@ -507,3 +507,27 @@ class RoomStore(SQLBaseStore):
))
else:
defer.returnValue(None)
+
+ @cached(max_entries=10000)
+ def is_room_blocked(self, room_id):
+ return self._simple_select_one_onecol(
+ table="blocked_rooms",
+ keyvalues={
+ "room_id": room_id,
+ },
+ retcol="1",
+ allow_none=True,
+ desc="is_room_blocked",
+ )
+
+ @defer.inlineCallbacks
+ def block_room(self, room_id, user_id):
+ yield self._simple_insert(
+ table="blocked_rooms",
+ values={
+ "room_id": room_id,
+ "user_id": user_id,
+ },
+ desc="block_room",
+ )
+ self.is_room_blocked.invalidate((room_id,))
diff --git a/synapse/storage/schema/delta/43/blocked_rooms.sql b/synapse/storage/schema/delta/43/blocked_rooms.sql
new file mode 100644
index 0000000000..0e3cd143ff
--- /dev/null
+++ b/synapse/storage/schema/delta/43/blocked_rooms.sql
@@ -0,0 +1,21 @@
+/* Copyright 2017 Vector Creations 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.
+ */
+
+CREATE TABLE blocked_rooms (
+ room_id TEXT NOT NULL,
+ user_id TEXT NOT NULL -- Admin who blocked the room
+);
+
+CREATE UNIQUE INDEX blocked_rooms_idx ON blocked_rooms(room_id);
|
