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authorManuel Stahl <37705355+awesome-manuel@users.noreply.github.com>2019-11-20 12:49:11 +0100
committerAndrew Morgan <1342360+anoadragon453@users.noreply.github.com>2019-11-20 11:49:11 +0000
commit4f5ca455bf17b52d70ab08be043178b4678cc4b8 (patch)
tree58f3d75c2a0788161441676b9d1187e4346679bb /synapse/rest/admin/rooms.py
parentMerge pull request #6335 from matrix-org/erikj/rc_login_cleanups (diff)
downloadsynapse-4f5ca455bf17b52d70ab08be043178b4678cc4b8.tar.xz
Move admin endpoints into separate files (#6308)
Diffstat (limited to 'synapse/rest/admin/rooms.py')
-rw-r--r--synapse/rest/admin/rooms.py157
1 files changed, 157 insertions, 0 deletions
diff --git a/synapse/rest/admin/rooms.py b/synapse/rest/admin/rooms.py
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+# -*- coding: utf-8 -*-
+# Copyright 2019 The Matrix.org Foundation C.I.C.
+#
+# 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 synapse.api.constants import Membership
+from synapse.http.servlet import (
+    RestServlet,
+    assert_params_in_dict,
+    parse_json_object_from_request,
+)
+from synapse.rest.admin._base import (
+    assert_user_is_admin,
+    historical_admin_path_patterns,
+)
+from synapse.types import create_requester
+from synapse.util.async_helpers import maybe_awaitable
+
+logger = logging.getLogger(__name__)
+
+
+class ShutdownRoomRestServlet(RestServlet):
+    """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 = 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()
+
+    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)
+
+        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 = await self._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"]
+
+        requester_user_id = requester.user.to_string()
+
+        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)
+
+        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:
+                target_requester = create_requester(user_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,
+                )
+
+                await self.room_member_handler.forget(target_requester.user, room_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)
+
+        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
+        )
+
+        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,
+            },
+        )