2021-09-20 08:56:23 -04:00
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# Copyright 2016-2021 The Matrix.org Foundation C.I.C.
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2014-08-12 10:10:52 -04:00
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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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2014-08-12 22:14:34 -04:00
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2014-08-12 10:10:52 -04:00
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"""Contains functions for performing events on rooms."""
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2020-01-06 10:22:46 -05:00
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2018-07-27 10:12:50 -04:00
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import itertools
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2018-07-09 02:09:20 -04:00
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import logging
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import math
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2020-08-20 15:07:42 -04:00
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import random
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2018-07-09 02:09:20 -04:00
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import string
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from collections import OrderedDict
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2021-09-21 13:34:26 -04:00
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from typing import (
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TYPE_CHECKING,
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Any,
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Awaitable,
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Collection,
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Dict,
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List,
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Optional,
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Tuple,
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)
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2014-08-12 10:10:52 -04:00
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2020-06-10 12:44:34 -04:00
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from synapse.api.constants import (
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EventContentFields,
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EventTypes,
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GuestAccess,
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HistoryVisibility,
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JoinRules,
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Membership,
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RoomCreationPreset,
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RoomEncryptionAlgorithms,
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RoomTypes,
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)
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2021-05-12 10:05:28 -04:00
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from synapse.api.errors import (
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AuthError,
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Codes,
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LimitExceededError,
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NotFoundError,
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StoreError,
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SynapseError,
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)
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from synapse.api.filtering import Filter
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from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersion
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from synapse.events import EventBase
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from synapse.events.utils import copy_power_levels_contents
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from synapse.rest.admin._base import assert_user_is_admin
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from synapse.storage.state import StateFilter
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from synapse.streams import EventSource
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from synapse.types import (
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JsonDict,
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MutableStateMap,
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Requester,
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RoomAlias,
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RoomID,
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RoomStreamToken,
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StateMap,
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StreamToken,
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UserID,
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create_requester,
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)
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from synapse.util import stringutils
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from synapse.util.async_helpers import Linearizer
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from synapse.util.caches.response_cache import ResponseCache
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from synapse.util.stringutils import parse_and_validate_server_name
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from synapse.visibility import filter_events_for_client
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2018-07-09 02:09:20 -04:00
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from ._base import BaseHandler
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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2014-08-12 10:10:52 -04:00
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logger = logging.getLogger(__name__)
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2015-11-05 11:43:19 -05:00
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id_server_scheme = "https://"
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2019-06-25 09:19:21 -04:00
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FIVE_MINUTES_IN_MS = 5 * 60 * 1000
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class RoomCreationHandler(BaseHandler):
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def __init__(self, hs: "HomeServer"):
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super().__init__(hs)
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self.spam_checker = hs.get_spam_checker()
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self.event_creation_handler = hs.get_event_creation_handler()
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self.room_member_handler = hs.get_room_member_handler()
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self._event_auth_handler = hs.get_event_auth_handler()
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self.config = hs.config
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# Room state based off defined presets
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self._presets_dict: Dict[str, Dict[str, Any]] = {
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RoomCreationPreset.PRIVATE_CHAT: {
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"join_rules": JoinRules.INVITE,
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"history_visibility": HistoryVisibility.SHARED,
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"original_invitees_have_ops": False,
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"guest_can_join": True,
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"power_level_content_override": {"invite": 0},
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},
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RoomCreationPreset.TRUSTED_PRIVATE_CHAT: {
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"join_rules": JoinRules.INVITE,
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"history_visibility": HistoryVisibility.SHARED,
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"original_invitees_have_ops": True,
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"guest_can_join": True,
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"power_level_content_override": {"invite": 0},
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},
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RoomCreationPreset.PUBLIC_CHAT: {
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"join_rules": JoinRules.PUBLIC,
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"history_visibility": HistoryVisibility.SHARED,
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"original_invitees_have_ops": False,
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"guest_can_join": False,
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"power_level_content_override": {},
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},
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}
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# Modify presets to selectively enable encryption by default per homeserver config
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for preset_name, preset_config in self._presets_dict.items():
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encrypted = (
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preset_name
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in self.config.encryption_enabled_by_default_for_room_presets
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)
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preset_config["encrypted"] = encrypted
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self._replication = hs.get_replication_data_handler()
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# linearizer to stop two upgrades happening at once
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self._upgrade_linearizer = Linearizer("room_upgrade_linearizer")
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# If a user tries to update the same room multiple times in quick
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# succession, only process the first attempt and return its result to
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# subsequent requests
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self._upgrade_response_cache: ResponseCache[Tuple[str, str]] = ResponseCache(
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hs.get_clock(), "room_upgrade", timeout_ms=FIVE_MINUTES_IN_MS
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)
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self._server_notices_mxid = hs.config.server_notices_mxid
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self.third_party_event_rules = hs.get_third_party_event_rules()
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async def upgrade_room(
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self, requester: Requester, old_room_id: str, new_version: RoomVersion
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) -> str:
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"""Replace a room with a new room with a different version
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Args:
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requester: the user requesting the upgrade
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old_room_id: the id of the room to be replaced
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new_version: the new room version to use
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Returns:
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the new room id
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Raises:
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ShadowBanError if the requester is shadow-banned.
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"""
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await self.ratelimit(requester)
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user_id = requester.user.to_string()
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2019-06-25 09:19:21 -04:00
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# Check if this room is already being upgraded by another person
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for key in self._upgrade_response_cache.pending_result_cache:
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if key[0] == old_room_id and key[1] != user_id:
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# Two different people are trying to upgrade the same room.
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# Send the second an error.
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#
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# Note that this of course only gets caught if both users are
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# on the same homeserver.
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raise SynapseError(
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400, "An upgrade for this room is currently in progress"
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)
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# Upgrade the room
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#
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# If this user has sent multiple upgrade requests for the same room
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# and one of them is not complete yet, cache the response and
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# return it to all subsequent requests
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ret = await self._upgrade_response_cache.wrap(
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(old_room_id, user_id),
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self._upgrade_room,
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requester,
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old_room_id,
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new_version, # args for _upgrade_room
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)
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2019-07-23 09:00:55 -04:00
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return ret
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2020-05-01 10:15:36 -04:00
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async def _upgrade_room(
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self, requester: Requester, old_room_id: str, new_version: RoomVersion
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) -> str:
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"""
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Args:
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requester: the user requesting the upgrade
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old_room_id: the id of the room to be replaced
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new_versions: the version to upgrade the room to
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Raises:
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ShadowBanError if the requester is shadow-banned.
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"""
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user_id = requester.user.to_string()
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assert self.hs.is_mine_id(user_id), "User must be our own: %s" % (user_id,)
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# start by allocating a new room id
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r = await self.store.get_room(old_room_id)
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if r is None:
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raise NotFoundError("Unknown room id %s" % (old_room_id,))
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new_room_id = await self._generate_room_id(
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creator_id=user_id,
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is_public=r["is_public"],
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room_version=new_version,
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)
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logger.info("Creating new room %s to replace %s", new_room_id, old_room_id)
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2019-06-25 09:19:21 -04:00
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# we create and auth the tombstone event before properly creating the new
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# room, to check our user has perms in the old room.
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(
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tombstone_event,
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tombstone_context,
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) = await self.event_creation_handler.create_event(
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requester,
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{
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"type": EventTypes.Tombstone,
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"state_key": "",
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"room_id": old_room_id,
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"sender": user_id,
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"content": {
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"body": "This room has been replaced",
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"replacement_room": new_room_id,
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},
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},
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)
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old_room_version = await self.store.get_room_version_id(old_room_id)
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await self._event_auth_handler.check_from_context(
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old_room_version, tombstone_event, tombstone_context
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)
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await self.clone_existing_room(
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requester,
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old_room_id=old_room_id,
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new_room_id=new_room_id,
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new_room_version=new_version,
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tombstone_event_id=tombstone_event.event_id,
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)
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# now send the tombstone
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await self.event_creation_handler.handle_new_client_event(
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requester=requester,
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event=tombstone_event,
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context=tombstone_context,
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)
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old_room_state = await tombstone_context.get_current_state_ids()
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# We know the tombstone event isn't an outlier so it has current state.
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assert old_room_state is not None
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# update any aliases
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await self._move_aliases_to_new_room(
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requester, old_room_id, new_room_id, old_room_state
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)
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2019-11-01 06:28:09 -04:00
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# Copy over user push rules, tags and migrate room directory state
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await self.room_member_handler.transfer_room_state_on_room_upgrade(
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old_room_id, new_room_id
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)
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# finally, shut down the PLs in the old room, and update them in the new
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# room.
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await self._update_upgraded_room_pls(
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requester,
|
|
|
|
old_room_id,
|
|
|
|
new_room_id,
|
|
|
|
old_room_state,
|
2019-06-25 09:19:21 -04:00
|
|
|
)
|
|
|
|
|
2019-07-23 09:00:55 -04:00
|
|
|
return new_room_id
|
2018-10-26 18:47:37 -04:00
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
async def _update_upgraded_room_pls(
|
2020-01-16 08:31:22 -05:00
|
|
|
self,
|
|
|
|
requester: Requester,
|
|
|
|
old_room_id: str,
|
|
|
|
new_room_id: str,
|
|
|
|
old_room_state: StateMap[str],
|
2020-07-24 10:53:25 -04:00
|
|
|
) -> None:
|
2018-10-26 18:47:37 -04:00
|
|
|
"""Send updated power levels in both rooms after an upgrade
|
|
|
|
|
|
|
|
Args:
|
2020-01-16 08:31:22 -05:00
|
|
|
requester: the user requesting the upgrade
|
|
|
|
old_room_id: the id of the room to be replaced
|
|
|
|
new_room_id: the id of the replacement room
|
|
|
|
old_room_state: the state map for the old room
|
2020-08-24 13:58:56 -04:00
|
|
|
|
|
|
|
Raises:
|
|
|
|
ShadowBanError if the requester is shadow-banned.
|
2018-10-26 18:47:37 -04:00
|
|
|
"""
|
|
|
|
old_room_pl_event_id = old_room_state.get((EventTypes.PowerLevels, ""))
|
|
|
|
|
|
|
|
if old_room_pl_event_id is None:
|
|
|
|
logger.warning(
|
|
|
|
"Not supported: upgrading a room with no PL event. Not setting PLs "
|
2019-06-20 05:32:02 -04:00
|
|
|
"in old room."
|
2018-10-26 18:47:37 -04:00
|
|
|
)
|
|
|
|
return
|
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
old_room_pl_state = await self.store.get_event(old_room_pl_event_id)
|
2018-10-26 18:47:37 -04:00
|
|
|
|
|
|
|
# we try to stop regular users from speaking by setting the PL required
|
|
|
|
# to send regular events and invites to 'Moderator' level. That's normally
|
|
|
|
# 50, but if the default PL in a room is 50 or more, then we set the
|
|
|
|
# required PL above that.
|
|
|
|
|
|
|
|
pl_content = dict(old_room_pl_state.content)
|
|
|
|
users_default = int(pl_content.get("users_default", 0))
|
|
|
|
restricted_level = max(users_default + 1, 50)
|
|
|
|
|
|
|
|
updated = False
|
|
|
|
for v in ("invite", "events_default"):
|
|
|
|
current = int(pl_content.get(v, 0))
|
|
|
|
if current < restricted_level:
|
2020-02-06 08:31:05 -05:00
|
|
|
logger.debug(
|
2018-10-26 18:47:37 -04:00
|
|
|
"Setting level for %s in %s to %i (was %i)",
|
2019-06-20 05:32:02 -04:00
|
|
|
v,
|
|
|
|
old_room_id,
|
|
|
|
restricted_level,
|
|
|
|
current,
|
2018-10-24 18:14:36 -04:00
|
|
|
)
|
2018-10-26 18:47:37 -04:00
|
|
|
pl_content[v] = restricted_level
|
|
|
|
updated = True
|
2018-10-24 18:14:36 -04:00
|
|
|
else:
|
2020-02-06 08:31:05 -05:00
|
|
|
logger.debug("Not setting level for %s (already %i)", v, current)
|
2018-10-26 18:47:37 -04:00
|
|
|
|
|
|
|
if updated:
|
|
|
|
try:
|
2020-05-01 10:15:36 -04:00
|
|
|
await self.event_creation_handler.create_and_send_nonmember_event(
|
2019-06-20 05:32:02 -04:00
|
|
|
requester,
|
|
|
|
{
|
2018-10-26 18:47:37 -04:00
|
|
|
"type": EventTypes.PowerLevels,
|
2019-06-20 05:32:02 -04:00
|
|
|
"state_key": "",
|
2018-10-26 18:47:37 -04:00
|
|
|
"room_id": old_room_id,
|
|
|
|
"sender": requester.user.to_string(),
|
|
|
|
"content": pl_content,
|
2019-06-20 05:32:02 -04:00
|
|
|
},
|
|
|
|
ratelimit=False,
|
2018-10-26 18:47:37 -04:00
|
|
|
)
|
|
|
|
except AuthError as e:
|
|
|
|
logger.warning("Unable to update PLs in old room: %s", e)
|
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
await self.event_creation_handler.create_and_send_nonmember_event(
|
2019-06-20 05:32:02 -04:00
|
|
|
requester,
|
|
|
|
{
|
2018-10-26 18:47:37 -04:00
|
|
|
"type": EventTypes.PowerLevels,
|
2019-06-20 05:32:02 -04:00
|
|
|
"state_key": "",
|
2018-10-26 18:47:37 -04:00
|
|
|
"room_id": new_room_id,
|
|
|
|
"sender": requester.user.to_string(),
|
2020-03-17 07:37:04 -04:00
|
|
|
"content": old_room_pl_state.content,
|
2019-06-20 05:32:02 -04:00
|
|
|
},
|
|
|
|
ratelimit=False,
|
2018-10-26 18:47:37 -04:00
|
|
|
)
|
2018-08-22 05:57:54 -04:00
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
async def clone_existing_room(
|
2020-01-27 09:30:57 -05:00
|
|
|
self,
|
|
|
|
requester: Requester,
|
|
|
|
old_room_id: str,
|
|
|
|
new_room_id: str,
|
|
|
|
new_room_version: RoomVersion,
|
|
|
|
tombstone_event_id: str,
|
2020-07-24 10:53:25 -04:00
|
|
|
) -> None:
|
2018-08-22 05:57:54 -04:00
|
|
|
"""Populate a new room based on an old room
|
|
|
|
|
|
|
|
Args:
|
2020-01-27 09:30:57 -05:00
|
|
|
requester: the user requesting the upgrade
|
|
|
|
old_room_id : the id of the room to be replaced
|
|
|
|
new_room_id: the id to give the new room (should already have been
|
2018-08-22 05:57:54 -04:00
|
|
|
created with _gemerate_room_id())
|
2020-01-27 09:30:57 -05:00
|
|
|
new_room_version: the new room version to use
|
|
|
|
tombstone_event_id: the ID of the tombstone event in the old room.
|
2018-08-22 05:57:54 -04:00
|
|
|
"""
|
|
|
|
user_id = requester.user.to_string()
|
|
|
|
|
2020-12-11 14:05:15 -05:00
|
|
|
if not await self.spam_checker.user_may_create_room(user_id):
|
2018-08-22 05:57:54 -04:00
|
|
|
raise SynapseError(403, "You are not permitted to create rooms")
|
|
|
|
|
2021-07-16 13:22:36 -04:00
|
|
|
creation_content: JsonDict = {
|
2020-01-27 09:30:57 -05:00
|
|
|
"room_version": new_room_version.identifier,
|
2019-06-20 05:32:02 -04:00
|
|
|
"predecessor": {"room_id": old_room_id, "event_id": tombstone_event_id},
|
2021-07-16 13:22:36 -04:00
|
|
|
}
|
2018-08-22 05:57:54 -04:00
|
|
|
|
2019-01-30 11:33:51 -05:00
|
|
|
# Check if old room was non-federatable
|
|
|
|
|
|
|
|
# Get old room's create event
|
2020-05-01 10:15:36 -04:00
|
|
|
old_room_create_event = await self.store.get_create_event_for_room(old_room_id)
|
2019-01-30 11:33:51 -05:00
|
|
|
|
|
|
|
# Check if the create event specified a non-federatable room
|
2021-09-08 10:00:43 -04:00
|
|
|
if not old_room_create_event.content.get(EventContentFields.FEDERATE, True):
|
2019-01-30 11:33:51 -05:00
|
|
|
# If so, mark the new room as non-federatable as well
|
2021-09-08 10:00:43 -04:00
|
|
|
creation_content[EventContentFields.FEDERATE] = False
|
2019-01-30 11:33:51 -05:00
|
|
|
|
2020-02-21 07:15:07 -05:00
|
|
|
initial_state = {}
|
2018-10-12 07:05:18 -04:00
|
|
|
|
2019-01-17 10:22:03 -05:00
|
|
|
# Replicate relevant room events
|
2021-09-10 07:30:05 -04:00
|
|
|
types_to_copy: List[Tuple[str, Optional[str]]] = [
|
2018-10-12 12:05:48 -04:00
|
|
|
(EventTypes.JoinRules, ""),
|
|
|
|
(EventTypes.Name, ""),
|
|
|
|
(EventTypes.Topic, ""),
|
|
|
|
(EventTypes.RoomHistoryVisibility, ""),
|
2018-10-26 18:56:40 -04:00
|
|
|
(EventTypes.GuestAccess, ""),
|
|
|
|
(EventTypes.RoomAvatar, ""),
|
2020-02-04 12:25:54 -05:00
|
|
|
(EventTypes.RoomEncryption, ""),
|
2019-02-11 06:30:37 -05:00
|
|
|
(EventTypes.ServerACL, ""),
|
2019-04-02 12:15:24 -04:00
|
|
|
(EventTypes.RelatedGroups, ""),
|
2019-12-02 10:11:32 -05:00
|
|
|
(EventTypes.PowerLevels, ""),
|
2021-09-10 07:30:05 -04:00
|
|
|
]
|
|
|
|
|
|
|
|
# If the old room was a space, copy over the room type and the rooms in
|
|
|
|
# the space.
|
|
|
|
if (
|
|
|
|
old_room_create_event.content.get(EventContentFields.ROOM_TYPE)
|
|
|
|
== RoomTypes.SPACE
|
|
|
|
):
|
|
|
|
creation_content[EventContentFields.ROOM_TYPE] = RoomTypes.SPACE
|
|
|
|
types_to_copy.append((EventTypes.SpaceChild, None))
|
2018-10-12 12:05:48 -04:00
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
old_room_state_ids = await self.store.get_filtered_current_state_ids(
|
2019-06-20 05:32:02 -04:00
|
|
|
old_room_id, StateFilter.from_types(types_to_copy)
|
2018-10-12 12:05:48 -04:00
|
|
|
)
|
|
|
|
# map from event_id to BaseEvent
|
2020-05-01 10:15:36 -04:00
|
|
|
old_room_state_events = await self.store.get_events(old_room_state_ids.values())
|
2018-10-12 12:05:48 -04:00
|
|
|
|
2020-06-15 07:03:36 -04:00
|
|
|
for k, old_event_id in old_room_state_ids.items():
|
2018-10-26 17:51:34 -04:00
|
|
|
old_event = old_room_state_events.get(old_event_id)
|
|
|
|
if old_event:
|
2021-09-10 07:30:05 -04:00
|
|
|
# If the event is an space child event with empty content, it was
|
|
|
|
# removed from the space and should be ignored.
|
|
|
|
if k[0] == EventTypes.SpaceChild and not old_event.content:
|
|
|
|
continue
|
|
|
|
|
2018-10-26 17:51:34 -04:00
|
|
|
initial_state[k] = old_event.content
|
2018-08-22 05:57:54 -04:00
|
|
|
|
2020-01-28 06:02:55 -05:00
|
|
|
# deep-copy the power-levels event before we start modifying it
|
|
|
|
# note that if frozen_dicts are enabled, `power_levels` will be a frozen
|
|
|
|
# dict so we can't just copy.deepcopy it.
|
|
|
|
initial_state[
|
|
|
|
(EventTypes.PowerLevels, "")
|
|
|
|
] = power_levels = copy_power_levels_contents(
|
|
|
|
initial_state[(EventTypes.PowerLevels, "")]
|
|
|
|
)
|
|
|
|
|
2019-12-02 10:11:32 -05:00
|
|
|
# Resolve the minimum power level required to send any state event
|
|
|
|
# We will give the upgrading user this power level temporarily (if necessary) such that
|
|
|
|
# they are able to copy all of the state events over, then revert them back to their
|
|
|
|
# original power level afterwards in _update_upgraded_room_pls
|
|
|
|
|
|
|
|
# Copy over user power levels now as this will not be possible with >100PL users once
|
|
|
|
# the room has been created
|
|
|
|
# Calculate the minimum power level needed to clone the room
|
|
|
|
event_power_levels = power_levels.get("events", {})
|
2021-02-16 08:31:39 -05:00
|
|
|
state_default = power_levels.get("state_default", 50)
|
|
|
|
ban = power_levels.get("ban", 50)
|
2019-12-02 10:11:32 -05:00
|
|
|
needed_power_level = max(state_default, ban, max(event_power_levels.values()))
|
|
|
|
|
2021-02-16 08:31:39 -05:00
|
|
|
# Get the user's current power level, this matches the logic in get_user_power_level,
|
|
|
|
# but without the entire state map.
|
|
|
|
user_power_levels = power_levels.setdefault("users", {})
|
|
|
|
users_default = power_levels.get("users_default", 0)
|
|
|
|
current_power_level = user_power_levels.get(user_id, users_default)
|
2019-12-02 10:11:32 -05:00
|
|
|
# Raise the requester's power level in the new room if necessary
|
|
|
|
if current_power_level < needed_power_level:
|
2021-02-16 08:31:39 -05:00
|
|
|
user_power_levels[user_id] = needed_power_level
|
2019-12-02 10:11:32 -05:00
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
await self._send_events_for_new_room(
|
2018-08-22 05:57:54 -04:00
|
|
|
requester,
|
|
|
|
new_room_id,
|
2018-10-12 12:05:48 -04:00
|
|
|
# we expect to override all the presets with initial_state, so this is
|
|
|
|
# somewhat arbitrary.
|
|
|
|
preset_config=RoomCreationPreset.PRIVATE_CHAT,
|
2018-08-22 05:57:54 -04:00
|
|
|
invite_list=[],
|
|
|
|
initial_state=initial_state,
|
|
|
|
creation_content=creation_content,
|
2020-12-11 05:17:49 -05:00
|
|
|
ratelimit=False,
|
2018-08-22 05:57:54 -04:00
|
|
|
)
|
|
|
|
|
2019-02-18 09:02:09 -05:00
|
|
|
# Transfer membership events
|
2020-05-01 10:15:36 -04:00
|
|
|
old_room_member_state_ids = await self.store.get_filtered_current_state_ids(
|
2019-06-20 05:32:02 -04:00
|
|
|
old_room_id, StateFilter.from_types([(EventTypes.Member, None)])
|
2019-02-18 11:56:34 -05:00
|
|
|
)
|
|
|
|
|
|
|
|
# map from event_id to BaseEvent
|
2020-05-01 10:15:36 -04:00
|
|
|
old_room_member_state_events = await self.store.get_events(
|
2019-06-20 05:32:02 -04:00
|
|
|
old_room_member_state_ids.values()
|
2019-02-18 13:23:37 -05:00
|
|
|
)
|
2020-08-28 09:37:55 -04:00
|
|
|
for old_event in old_room_member_state_events.values():
|
2019-02-18 09:02:09 -05:00
|
|
|
# Only transfer ban events
|
2019-06-20 05:32:02 -04:00
|
|
|
if (
|
|
|
|
"membership" in old_event.content
|
|
|
|
and old_event.content["membership"] == "ban"
|
|
|
|
):
|
2020-05-01 10:15:36 -04:00
|
|
|
await self.room_member_handler.update_membership(
|
2019-02-18 09:02:09 -05:00
|
|
|
requester,
|
2019-06-20 05:32:02 -04:00
|
|
|
UserID.from_string(old_event["state_key"]),
|
2019-02-18 09:02:09 -05:00
|
|
|
new_room_id,
|
|
|
|
"ban",
|
|
|
|
ratelimit=False,
|
|
|
|
content=old_event.content,
|
|
|
|
)
|
|
|
|
|
2018-08-22 05:57:54 -04:00
|
|
|
# XXX invites/joins
|
|
|
|
# XXX 3pid invites
|
2018-10-26 10:11:35 -04:00
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
async def _move_aliases_to_new_room(
|
2020-02-20 16:24:04 -05:00
|
|
|
self,
|
|
|
|
requester: Requester,
|
|
|
|
old_room_id: str,
|
|
|
|
new_room_id: str,
|
|
|
|
old_room_state: StateMap[str],
|
2021-09-20 08:56:23 -04:00
|
|
|
) -> None:
|
2018-10-26 10:11:35 -04:00
|
|
|
# check to see if we have a canonical alias.
|
2020-02-20 16:24:04 -05:00
|
|
|
canonical_alias_event = None
|
2018-10-26 10:11:35 -04:00
|
|
|
canonical_alias_event_id = old_room_state.get((EventTypes.CanonicalAlias, ""))
|
|
|
|
if canonical_alias_event_id:
|
2020-05-01 10:15:36 -04:00
|
|
|
canonical_alias_event = await self.store.get_event(canonical_alias_event_id)
|
2018-10-26 10:11:35 -04:00
|
|
|
|
2020-05-22 06:41:41 -04:00
|
|
|
await self.store.update_aliases_for_room(old_room_id, new_room_id)
|
|
|
|
|
|
|
|
if not canonical_alias_event:
|
2018-10-26 10:11:35 -04:00
|
|
|
return
|
|
|
|
|
2020-05-22 06:41:41 -04:00
|
|
|
# If there is a canonical alias we need to update the one in the old
|
|
|
|
# room and set one in the new one.
|
|
|
|
old_canonical_alias_content = dict(canonical_alias_event.content)
|
|
|
|
new_canonical_alias_content = {}
|
|
|
|
|
|
|
|
canonical = canonical_alias_event.content.get("alias")
|
|
|
|
if canonical and self.hs.is_mine_id(canonical):
|
|
|
|
new_canonical_alias_content["alias"] = canonical
|
|
|
|
old_canonical_alias_content.pop("alias", None)
|
|
|
|
|
|
|
|
# We convert to a list as it will be a Tuple.
|
|
|
|
old_alt_aliases = list(old_canonical_alias_content.get("alt_aliases", []))
|
|
|
|
if old_alt_aliases:
|
|
|
|
old_canonical_alias_content["alt_aliases"] = old_alt_aliases
|
|
|
|
new_alt_aliases = new_canonical_alias_content.setdefault("alt_aliases", [])
|
|
|
|
for alias in canonical_alias_event.content.get("alt_aliases", []):
|
|
|
|
try:
|
|
|
|
if self.hs.is_mine_id(alias):
|
|
|
|
new_alt_aliases.append(alias)
|
|
|
|
old_alt_aliases.remove(alias)
|
|
|
|
except Exception:
|
|
|
|
logger.info(
|
|
|
|
"Invalid alias %s in canonical alias event %s",
|
|
|
|
alias,
|
|
|
|
canonical_alias_event_id,
|
|
|
|
)
|
|
|
|
|
|
|
|
if not old_alt_aliases:
|
|
|
|
old_canonical_alias_content.pop("alt_aliases")
|
2018-10-26 10:11:35 -04:00
|
|
|
|
2020-02-20 16:24:04 -05:00
|
|
|
# If a canonical alias event existed for the old room, fire a canonical
|
|
|
|
# alias event for the new room with a copy of the information.
|
2018-10-26 10:11:35 -04:00
|
|
|
try:
|
2020-05-22 06:41:41 -04:00
|
|
|
await self.event_creation_handler.create_and_send_nonmember_event(
|
|
|
|
requester,
|
|
|
|
{
|
|
|
|
"type": EventTypes.CanonicalAlias,
|
|
|
|
"state_key": "",
|
|
|
|
"room_id": old_room_id,
|
|
|
|
"sender": requester.user.to_string(),
|
|
|
|
"content": old_canonical_alias_content,
|
|
|
|
},
|
|
|
|
ratelimit=False,
|
|
|
|
)
|
|
|
|
except SynapseError as e:
|
|
|
|
# again I'm not really expecting this to fail, but if it does, I'd rather
|
|
|
|
# we returned the new room to the client at this point.
|
|
|
|
logger.error("Unable to send updated alias events in old room: %s", e)
|
|
|
|
|
|
|
|
try:
|
|
|
|
await self.event_creation_handler.create_and_send_nonmember_event(
|
|
|
|
requester,
|
|
|
|
{
|
|
|
|
"type": EventTypes.CanonicalAlias,
|
|
|
|
"state_key": "",
|
|
|
|
"room_id": new_room_id,
|
|
|
|
"sender": requester.user.to_string(),
|
|
|
|
"content": new_canonical_alias_content,
|
|
|
|
},
|
|
|
|
ratelimit=False,
|
|
|
|
)
|
2018-10-26 10:11:35 -04:00
|
|
|
except SynapseError as e:
|
|
|
|
# again I'm not really expecting this to fail, but if it does, I'd rather
|
|
|
|
# we returned the new room to the client at this point.
|
2019-06-20 05:32:02 -04:00
|
|
|
logger.error("Unable to send updated alias events in new room: %s", e)
|
2018-08-22 05:57:54 -04:00
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
async def create_room(
|
2020-08-14 09:47:53 -04:00
|
|
|
self,
|
|
|
|
requester: Requester,
|
|
|
|
config: JsonDict,
|
|
|
|
ratelimit: bool = True,
|
|
|
|
creator_join_profile: Optional[JsonDict] = None,
|
2020-05-22 09:21:54 -04:00
|
|
|
) -> Tuple[dict, int]:
|
2021-02-16 17:32:34 -05:00
|
|
|
"""Creates a new room.
|
2014-08-12 10:10:52 -04:00
|
|
|
|
|
|
|
Args:
|
2020-08-14 09:47:53 -04:00
|
|
|
requester:
|
2018-05-17 04:01:09 -04:00
|
|
|
The user who requested the room creation.
|
2020-08-14 09:47:53 -04:00
|
|
|
config : A dict of configuration options.
|
|
|
|
ratelimit: set to False to disable the rate limiter
|
2018-05-17 06:34:28 -04:00
|
|
|
|
2020-08-14 09:47:53 -04:00
|
|
|
creator_join_profile:
|
2018-05-17 06:34:28 -04:00
|
|
|
Set to override the displayname and avatar for the creating
|
|
|
|
user in this room. If unset, displayname and avatar will be
|
|
|
|
derived from the user's profile. If set, should contain the
|
|
|
|
values to go in the body of the 'join' event (typically
|
|
|
|
`avatar_url` and/or `displayname`.
|
|
|
|
|
2014-08-12 10:10:52 -04:00
|
|
|
Returns:
|
2020-05-22 09:21:54 -04:00
|
|
|
First, a dict containing the keys `room_id` and, if an alias
|
|
|
|
was, requested, `room_alias`. Secondly, the stream_id of the
|
|
|
|
last persisted event.
|
2014-08-12 10:10:52 -04:00
|
|
|
Raises:
|
2016-02-15 13:13:10 -05:00
|
|
|
SynapseError if the room ID couldn't be stored, or something went
|
|
|
|
horribly wrong.
|
2018-08-16 16:25:16 -04:00
|
|
|
ResourceLimitError if server is blocked to some resource being
|
|
|
|
exceeded
|
2014-08-12 10:10:52 -04:00
|
|
|
"""
|
2016-02-15 13:13:10 -05:00
|
|
|
user_id = requester.user.to_string()
|
|
|
|
|
2020-11-17 05:51:25 -05:00
|
|
|
await self.auth.check_auth_blocking(requester=requester)
|
2018-08-16 16:25:16 -04:00
|
|
|
|
2019-06-20 05:32:02 -04:00
|
|
|
if (
|
|
|
|
self._server_notices_mxid is not None
|
|
|
|
and requester.user.to_string() == self._server_notices_mxid
|
|
|
|
):
|
2019-06-17 10:48:57 -04:00
|
|
|
# allow the server notices mxid to create rooms
|
|
|
|
is_requester_admin = True
|
|
|
|
else:
|
2020-05-01 10:15:36 -04:00
|
|
|
is_requester_admin = await self.auth.is_server_admin(requester.user)
|
2019-06-17 10:48:57 -04:00
|
|
|
|
2021-07-20 06:39:46 -04:00
|
|
|
# Let the third party rules modify the room creation config if needed, or abort
|
|
|
|
# the room creation entirely with an exception.
|
|
|
|
await self.third_party_event_rules.on_create_room(
|
2019-06-20 05:32:02 -04:00
|
|
|
requester, config, is_requester_admin=is_requester_admin
|
2019-06-17 10:48:57 -04:00
|
|
|
)
|
|
|
|
|
2020-12-11 14:05:15 -05:00
|
|
|
if not is_requester_admin and not await self.spam_checker.user_may_create_room(
|
2019-06-20 05:32:02 -04:00
|
|
|
user_id
|
2019-06-17 10:48:57 -04:00
|
|
|
):
|
2017-10-04 07:44:27 -04:00
|
|
|
raise SynapseError(403, "You are not permitted to create rooms")
|
2017-10-04 05:47:54 -04:00
|
|
|
|
2017-06-19 09:10:13 -04:00
|
|
|
if ratelimit:
|
2020-05-01 10:15:36 -04:00
|
|
|
await self.ratelimit(requester)
|
2014-08-12 10:10:52 -04:00
|
|
|
|
2020-01-27 09:30:57 -05:00
|
|
|
room_version_id = config.get(
|
2019-06-20 05:32:02 -04:00
|
|
|
"room_version", self.config.default_room_version.identifier
|
2019-05-23 10:00:20 -04:00
|
|
|
)
|
|
|
|
|
2020-06-16 08:51:47 -04:00
|
|
|
if not isinstance(room_version_id, str):
|
2019-06-20 05:32:02 -04:00
|
|
|
raise SynapseError(400, "room_version must be a string", Codes.BAD_JSON)
|
2018-07-25 17:10:39 -04:00
|
|
|
|
2020-01-27 09:30:57 -05:00
|
|
|
room_version = KNOWN_ROOM_VERSIONS.get(room_version_id)
|
|
|
|
if room_version is None:
|
2018-07-25 17:10:39 -04:00
|
|
|
raise SynapseError(
|
|
|
|
400,
|
|
|
|
"Your homeserver does not support this room version",
|
|
|
|
Codes.UNSUPPORTED_ROOM_VERSION,
|
|
|
|
)
|
|
|
|
|
2020-08-14 09:47:53 -04:00
|
|
|
room_alias = None
|
2014-08-12 10:10:52 -04:00
|
|
|
if "room_alias_name" in config:
|
2015-05-14 08:11:28 -04:00
|
|
|
for wchar in string.whitespace:
|
|
|
|
if wchar in config["room_alias_name"]:
|
|
|
|
raise SynapseError(400, "Invalid characters in room alias")
|
|
|
|
|
2019-06-20 05:32:02 -04:00
|
|
|
room_alias = RoomAlias(config["room_alias_name"], self.hs.hostname)
|
2020-05-01 10:15:36 -04:00
|
|
|
mapping = await self.store.get_association_from_room_alias(room_alias)
|
2014-08-12 10:10:52 -04:00
|
|
|
|
|
|
|
if mapping:
|
2019-06-20 05:32:02 -04:00
|
|
|
raise SynapseError(400, "Room alias already taken", Codes.ROOM_IN_USE)
|
2014-08-12 10:10:52 -04:00
|
|
|
|
2020-08-20 15:07:42 -04:00
|
|
|
invite_3pid_list = config.get("invite_3pid", [])
|
2014-09-05 20:10:07 -04:00
|
|
|
invite_list = config.get("invite", [])
|
|
|
|
for i in invite_list:
|
|
|
|
try:
|
2019-10-10 08:05:48 -04:00
|
|
|
uid = UserID.from_string(i)
|
|
|
|
parse_and_validate_server_name(uid.domain)
|
2017-10-23 10:52:32 -04:00
|
|
|
except Exception:
|
2014-09-05 20:10:07 -04:00
|
|
|
raise SynapseError(400, "Invalid user_id: %s" % (i,))
|
|
|
|
|
2020-08-20 15:07:42 -04:00
|
|
|
if (invite_list or invite_3pid_list) and requester.shadow_banned:
|
|
|
|
# We randomly sleep a bit just to annoy the requester.
|
|
|
|
await self.clock.sleep(random.randint(1, 10))
|
|
|
|
|
|
|
|
# Allow the request to go through, but remove any associated invites.
|
|
|
|
invite_3pid_list = []
|
|
|
|
invite_list = []
|
|
|
|
|
2021-05-12 10:05:28 -04:00
|
|
|
if invite_list or invite_3pid_list:
|
|
|
|
try:
|
|
|
|
# If there are invites in the request, see if the ratelimiting settings
|
|
|
|
# allow that number of invites to be sent from the current user.
|
|
|
|
await self.room_member_handler.ratelimit_multiple_invites(
|
|
|
|
requester,
|
|
|
|
room_id=None,
|
|
|
|
n_invites=len(invite_list) + len(invite_3pid_list),
|
|
|
|
update=False,
|
|
|
|
)
|
|
|
|
except LimitExceededError:
|
|
|
|
raise SynapseError(400, "Cannot invite so many users at once")
|
2021-01-29 11:38:29 -05:00
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
await self.event_creation_handler.assert_accepted_privacy_policy(requester)
|
2018-05-22 03:56:52 -04:00
|
|
|
|
2019-08-15 04:45:57 -04:00
|
|
|
power_level_content_override = config.get("power_level_content_override")
|
|
|
|
if (
|
|
|
|
power_level_content_override
|
|
|
|
and "users" in power_level_content_override
|
|
|
|
and user_id not in power_level_content_override["users"]
|
|
|
|
):
|
|
|
|
raise SynapseError(
|
|
|
|
400,
|
|
|
|
"Not a valid power_level_content_override: 'users' did not contain %s"
|
|
|
|
% (user_id,),
|
|
|
|
)
|
|
|
|
|
2016-03-23 09:49:10 -04:00
|
|
|
visibility = config.get("visibility", None)
|
|
|
|
is_public = visibility == "public"
|
2014-08-28 05:59:15 -04:00
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
room_id = await self._generate_room_id(
|
2021-02-16 17:32:34 -05:00
|
|
|
creator_id=user_id,
|
|
|
|
is_public=is_public,
|
|
|
|
room_version=room_version,
|
2020-01-27 09:30:57 -05:00
|
|
|
)
|
2014-08-12 10:10:52 -04:00
|
|
|
|
2020-10-05 09:57:46 -04:00
|
|
|
# Check whether this visibility value is blocked by a third party module
|
|
|
|
allowed_by_third_party_rules = await (
|
|
|
|
self.third_party_event_rules.check_visibility_can_be_modified(
|
|
|
|
room_id, visibility
|
|
|
|
)
|
|
|
|
)
|
|
|
|
if not allowed_by_third_party_rules:
|
|
|
|
raise SynapseError(403, "Room visibility value not allowed.")
|
|
|
|
|
2020-10-09 07:24:34 -04:00
|
|
|
directory_handler = self.hs.get_directory_handler()
|
2014-11-18 10:03:01 -05:00
|
|
|
if room_alias:
|
2020-05-01 10:15:36 -04:00
|
|
|
await directory_handler.create_association(
|
2018-10-18 11:14:24 -04:00
|
|
|
requester=requester,
|
2014-11-18 10:03:01 -05:00
|
|
|
room_id=room_id,
|
|
|
|
room_alias=room_alias,
|
|
|
|
servers=[self.hs.hostname],
|
2019-05-02 04:21:29 -04:00
|
|
|
check_membership=False,
|
2014-11-18 10:03:01 -05:00
|
|
|
)
|
|
|
|
|
2020-04-13 07:42:32 -04:00
|
|
|
if is_public:
|
|
|
|
if not self.config.is_publishing_room_allowed(user_id, room_id, room_alias):
|
|
|
|
# Lets just return a generic message, as there may be all sorts of
|
|
|
|
# reasons why we said no. TODO: Allow configurable error messages
|
|
|
|
# per alias creation rule?
|
|
|
|
raise SynapseError(403, "Not allowed to publish room")
|
|
|
|
|
2015-07-13 11:48:06 -04:00
|
|
|
preset_config = config.get(
|
|
|
|
"preset",
|
2016-03-23 09:49:10 -04:00
|
|
|
RoomCreationPreset.PRIVATE_CHAT
|
|
|
|
if visibility == "private"
|
2019-06-20 05:32:02 -04:00
|
|
|
else RoomCreationPreset.PUBLIC_CHAT,
|
2015-07-13 11:48:06 -04:00
|
|
|
)
|
|
|
|
|
2015-07-16 10:25:29 -04:00
|
|
|
raw_initial_state = config.get("initial_state", [])
|
|
|
|
|
|
|
|
initial_state = OrderedDict()
|
|
|
|
for val in raw_initial_state:
|
|
|
|
initial_state[(val["type"], val.get("state_key", ""))] = val["content"]
|
|
|
|
|
2015-09-01 10:09:23 -04:00
|
|
|
creation_content = config.get("creation_content", {})
|
|
|
|
|
2018-07-25 17:10:39 -04:00
|
|
|
# override any attempt to set room versions via the creation_content
|
2020-01-27 09:30:57 -05:00
|
|
|
creation_content["room_version"] = room_version.identifier
|
2018-07-25 17:10:39 -04:00
|
|
|
|
2020-05-22 09:21:54 -04:00
|
|
|
last_stream_id = await self._send_events_for_new_room(
|
2016-02-16 07:00:50 -05:00
|
|
|
requester,
|
|
|
|
room_id,
|
2015-07-13 11:48:06 -04:00
|
|
|
preset_config=preset_config,
|
|
|
|
invite_list=invite_list,
|
2015-07-16 10:25:29 -04:00
|
|
|
initial_state=initial_state,
|
2015-09-01 10:09:23 -04:00
|
|
|
creation_content=creation_content,
|
2015-09-23 05:07:31 -04:00
|
|
|
room_alias=room_alias,
|
2019-08-15 04:45:57 -04:00
|
|
|
power_level_content_override=power_level_content_override,
|
2018-05-17 06:34:28 -04:00
|
|
|
creator_join_profile=creator_join_profile,
|
2020-12-11 05:17:49 -05:00
|
|
|
ratelimit=ratelimit,
|
2014-08-27 10:11:51 -04:00
|
|
|
)
|
|
|
|
|
2014-09-02 05:02:14 -04:00
|
|
|
if "name" in config:
|
|
|
|
name = config["name"]
|
2020-05-22 09:21:54 -04:00
|
|
|
(
|
|
|
|
_,
|
|
|
|
last_stream_id,
|
|
|
|
) = await self.event_creation_handler.create_and_send_nonmember_event(
|
2016-03-03 11:43:42 -05:00
|
|
|
requester,
|
|
|
|
{
|
|
|
|
"type": EventTypes.Name,
|
|
|
|
"room_id": room_id,
|
|
|
|
"sender": user_id,
|
|
|
|
"state_key": "",
|
|
|
|
"content": {"name": name},
|
|
|
|
},
|
2019-06-20 05:32:02 -04:00
|
|
|
ratelimit=False,
|
|
|
|
)
|
2014-09-02 05:02:14 -04:00
|
|
|
|
|
|
|
if "topic" in config:
|
|
|
|
topic = config["topic"]
|
2020-05-22 09:21:54 -04:00
|
|
|
(
|
|
|
|
_,
|
|
|
|
last_stream_id,
|
|
|
|
) = await self.event_creation_handler.create_and_send_nonmember_event(
|
2016-03-03 11:43:42 -05:00
|
|
|
requester,
|
|
|
|
{
|
|
|
|
"type": EventTypes.Topic,
|
|
|
|
"room_id": room_id,
|
|
|
|
"sender": user_id,
|
|
|
|
"state_key": "",
|
|
|
|
"content": {"topic": topic},
|
|
|
|
},
|
2019-06-20 05:32:02 -04:00
|
|
|
ratelimit=False,
|
|
|
|
)
|
2014-09-02 05:02:14 -04:00
|
|
|
|
2020-10-29 07:48:39 -04:00
|
|
|
# we avoid dropping the lock between invites, as otherwise joins can
|
|
|
|
# start coming in and making the createRoom slow.
|
|
|
|
#
|
|
|
|
# we also don't need to check the requester's shadow-ban here, as we
|
|
|
|
# have already done so above (and potentially emptied invite_list).
|
|
|
|
with (await self.room_member_handler.member_linearizer.queue((room_id,))):
|
2017-11-28 10:19:15 -05:00
|
|
|
content = {}
|
|
|
|
is_direct = config.get("is_direct", None)
|
|
|
|
if is_direct:
|
|
|
|
content["is_direct"] = is_direct
|
2017-11-28 10:23:26 -05:00
|
|
|
|
2020-10-29 07:48:39 -04:00
|
|
|
for invitee in invite_list:
|
|
|
|
(
|
|
|
|
_,
|
|
|
|
last_stream_id,
|
|
|
|
) = await self.room_member_handler.update_membership_locked(
|
|
|
|
requester,
|
|
|
|
UserID.from_string(invitee),
|
|
|
|
room_id,
|
|
|
|
"invite",
|
|
|
|
ratelimit=False,
|
|
|
|
content=content,
|
|
|
|
)
|
2014-11-17 11:37:33 -05:00
|
|
|
|
2016-01-05 06:56:21 -05:00
|
|
|
for invite_3pid in invite_3pid_list:
|
|
|
|
id_server = invite_3pid["id_server"]
|
2019-09-11 11:02:42 -04:00
|
|
|
id_access_token = invite_3pid.get("id_access_token") # optional
|
2016-01-05 06:56:21 -05:00
|
|
|
address = invite_3pid["address"]
|
|
|
|
medium = invite_3pid["medium"]
|
2020-08-20 15:07:42 -04:00
|
|
|
# Note that do_3pid_invite can raise a ShadowBanError, but this was
|
|
|
|
# handled above by emptying invite_3pid_list.
|
2020-05-22 09:21:54 -04:00
|
|
|
last_stream_id = await self.hs.get_room_member_handler().do_3pid_invite(
|
2016-01-05 06:56:21 -05:00
|
|
|
room_id,
|
2016-02-16 07:00:50 -05:00
|
|
|
requester.user,
|
2016-01-05 06:56:21 -05:00
|
|
|
medium,
|
|
|
|
address,
|
|
|
|
id_server,
|
2016-02-15 13:21:30 -05:00
|
|
|
requester,
|
2016-01-05 07:57:45 -05:00
|
|
|
txn_id=None,
|
2019-09-11 11:02:42 -04:00
|
|
|
id_access_token=id_access_token,
|
2016-01-05 06:56:21 -05:00
|
|
|
)
|
|
|
|
|
2014-08-12 10:10:52 -04:00
|
|
|
result = {"room_id": room_id}
|
2014-11-17 11:37:33 -05:00
|
|
|
|
2014-08-12 10:10:52 -04:00
|
|
|
if room_alias:
|
|
|
|
result["room_alias"] = room_alias.to_string()
|
|
|
|
|
2021-02-12 11:01:48 -05:00
|
|
|
# Always wait for room creation to propagate before returning
|
2020-05-22 11:11:35 -04:00
|
|
|
await self._replication.wait_for_stream_position(
|
2020-09-14 05:16:41 -04:00
|
|
|
self.hs.config.worker.events_shard_config.get_instance(room_id),
|
|
|
|
"events",
|
|
|
|
last_stream_id,
|
2020-05-22 11:11:35 -04:00
|
|
|
)
|
|
|
|
|
2020-05-22 09:21:54 -04:00
|
|
|
return result, last_stream_id
|
2014-08-12 10:10:52 -04:00
|
|
|
|
2020-05-01 10:15:36 -04:00
|
|
|
async def _send_events_for_new_room(
|
2019-06-20 05:32:02 -04:00
|
|
|
self,
|
2020-08-14 09:47:53 -04:00
|
|
|
creator: Requester,
|
|
|
|
room_id: str,
|
|
|
|
preset_config: str,
|
|
|
|
invite_list: List[str],
|
2020-08-28 07:28:53 -04:00
|
|
|
initial_state: MutableStateMap,
|
2020-08-14 09:47:53 -04:00
|
|
|
creation_content: JsonDict,
|
|
|
|
room_alias: Optional[RoomAlias] = None,
|
|
|
|
power_level_content_override: Optional[JsonDict] = None,
|
|
|
|
creator_join_profile: Optional[JsonDict] = None,
|
2020-12-11 05:17:49 -05:00
|
|
|
ratelimit: bool = True,
|
2020-05-22 09:21:54 -04:00
|
|
|
) -> int:
|
|
|
|
"""Sends the initial events into a new room.
|
|
|
|
|
2020-08-14 09:47:53 -04:00
|
|
|
`power_level_content_override` doesn't apply when initial state has
|
|
|
|
power level state event content.
|
|
|
|
|
2020-05-22 09:21:54 -04:00
|
|
|
Returns:
|
|
|
|
The stream_id of the last event persisted.
|
|
|
|
"""
|
|
|
|
|
2020-08-14 09:47:53 -04:00
|
|
|
creator_id = creator.user.to_string()
|
|
|
|
|
|
|
|
event_keys = {"room_id": room_id, "sender": creator_id, "state_key": ""}
|
|
|
|
|
2021-09-20 08:56:23 -04:00
|
|
|
def create(etype: str, content: JsonDict, **kwargs: Any) -> JsonDict:
|
2019-06-20 05:32:02 -04:00
|
|
|
e = {"type": etype, "content": content}
|
2014-12-04 10:50:01 -05:00
|
|
|
|
|
|
|
e.update(event_keys)
|
2014-12-08 05:16:18 -05:00
|
|
|
e.update(kwargs)
|
2014-12-04 10:50:01 -05:00
|
|
|
|
|
|
|
return e
|
2014-09-01 11:15:34 -04:00
|
|
|
|
2021-09-20 08:56:23 -04:00
|
|
|
async def send(etype: str, content: JsonDict, **kwargs: Any) -> int:
|
2016-02-16 07:00:50 -05:00
|
|
|
event = create(etype, content, **kwargs)
|
2020-02-06 08:31:05 -05:00
|
|
|
logger.debug("Sending %s in new room", etype)
|
2020-08-24 13:58:56 -04:00
|
|
|
# Allow these events to be sent even if the user is shadow-banned to
|
|
|
|
# allow the room creation to complete.
|
2020-05-22 09:21:54 -04:00
|
|
|
(
|
|
|
|
_,
|
|
|
|
last_stream_id,
|
|
|
|
) = await self.event_creation_handler.create_and_send_nonmember_event(
|
2021-02-16 17:32:34 -05:00
|
|
|
creator,
|
|
|
|
event,
|
|
|
|
ratelimit=False,
|
|
|
|
ignore_shadow_ban=True,
|
2016-03-03 11:43:42 -05:00
|
|
|
)
|
2020-05-22 09:21:54 -04:00
|
|
|
return last_stream_id
|
2016-02-16 07:00:50 -05:00
|
|
|
|
2021-09-03 09:46:18 -04:00
|
|
|
try:
|
|
|
|
config = self._presets_dict[preset_config]
|
|
|
|
except KeyError:
|
|
|
|
raise SynapseError(
|
|
|
|
400, f"'{preset_config}' is not a valid preset", errcode=Codes.BAD_JSON
|
|
|
|
)
|
2016-02-16 07:00:50 -05:00
|
|
|
|
|
|
|
creation_content.update({"creator": creator_id})
|
2020-05-01 10:15:36 -04:00
|
|
|
await send(etype=EventTypes.Create, content=creation_content)
|
2014-08-28 05:59:15 -04:00
|
|
|
|
2020-02-06 08:31:05 -05:00
|
|
|
logger.debug("Sending %s in new room", EventTypes.Member)
|
2020-05-01 10:15:36 -04:00
|
|
|
await self.room_member_handler.update_membership(
|
2016-02-16 07:00:50 -05:00
|
|
|
creator,
|
|
|
|
creator.user,
|
|
|
|
room_id,
|
|
|
|
"join",
|
2020-12-11 05:17:49 -05:00
|
|
|
ratelimit=ratelimit,
|
2018-05-17 06:34:28 -04:00
|
|
|
content=creator_join_profile,
|
2014-11-18 10:29:48 -05:00
|
|
|
)
|
|
|
|
|
2017-06-19 09:10:13 -04:00
|
|
|
# We treat the power levels override specially as this needs to be one
|
|
|
|
# of the first events that get sent into a room.
|
2019-06-20 05:32:02 -04:00
|
|
|
pl_content = initial_state.pop((EventTypes.PowerLevels, ""), None)
|
2017-06-19 09:10:13 -04:00
|
|
|
if pl_content is not None:
|
2020-05-22 09:21:54 -04:00
|
|
|
last_sent_stream_id = await send(
|
|
|
|
etype=EventTypes.PowerLevels, content=pl_content
|
|
|
|
)
|
2017-06-19 09:10:13 -04:00
|
|
|
else:
|
2021-07-16 13:22:36 -04:00
|
|
|
power_level_content: JsonDict = {
|
2019-06-20 05:32:02 -04:00
|
|
|
"users": {creator_id: 100},
|
2015-07-16 10:25:29 -04:00
|
|
|
"users_default": 0,
|
|
|
|
"events": {
|
2015-08-20 09:35:40 -04:00
|
|
|
EventTypes.Name: 50,
|
2015-07-16 10:25:29 -04:00
|
|
|
EventTypes.PowerLevels: 100,
|
|
|
|
EventTypes.RoomHistoryVisibility: 100,
|
2015-08-20 09:35:40 -04:00
|
|
|
EventTypes.CanonicalAlias: 50,
|
|
|
|
EventTypes.RoomAvatar: 50,
|
2020-02-17 08:23:37 -05:00
|
|
|
EventTypes.Tombstone: 100,
|
|
|
|
EventTypes.ServerACL: 100,
|
2020-04-09 13:45:38 -04:00
|
|
|
EventTypes.RoomEncryption: 100,
|
2015-07-16 10:25:29 -04:00
|
|
|
},
|
|
|
|
"events_default": 0,
|
|
|
|
"state_default": 50,
|
|
|
|
"ban": 50,
|
|
|
|
"kick": 50,
|
|
|
|
"redact": 50,
|
2020-02-17 08:23:37 -05:00
|
|
|
"invite": 50,
|
2021-07-28 11:46:37 -04:00
|
|
|
"historical": 100,
|
2021-07-16 13:22:36 -04:00
|
|
|
}
|
2015-07-13 11:48:06 -04:00
|
|
|
|
2015-07-16 10:25:29 -04:00
|
|
|
if config["original_invitees_have_ops"]:
|
|
|
|
for invitee in invite_list:
|
|
|
|
power_level_content["users"][invitee] = 100
|
2015-07-13 11:48:06 -04:00
|
|
|
|
2020-02-17 08:23:37 -05:00
|
|
|
# Power levels overrides are defined per chat preset
|
|
|
|
power_level_content.update(config["power_level_content_override"])
|
|
|
|
|
2018-10-25 12:50:06 -04:00
|
|
|
if power_level_content_override:
|
|
|
|
power_level_content.update(power_level_content_override)
|
2017-06-19 09:10:13 -04:00
|
|
|
|
2020-05-22 09:21:54 -04:00
|
|
|
last_sent_stream_id = await send(
|
|
|
|
etype=EventTypes.PowerLevels, content=power_level_content
|
|
|
|
)
|
2014-08-28 05:59:15 -04:00
|
|
|
|
2019-06-20 05:32:02 -04:00
|
|
|
if room_alias and (EventTypes.CanonicalAlias, "") not in initial_state:
|
2020-05-22 09:21:54 -04:00
|
|
|
last_sent_stream_id = await send(
|
2015-09-30 11:46:24 -04:00
|
|
|
etype=EventTypes.CanonicalAlias,
|
|
|
|
content={"alias": room_alias.to_string()},
|
|
|
|
)
|
2015-09-23 05:07:31 -04:00
|
|
|
|
2019-06-20 05:32:02 -04:00
|
|
|
if (EventTypes.JoinRules, "") not in initial_state:
|
2020-05-22 09:21:54 -04:00
|
|
|
last_sent_stream_id = await send(
|
2019-06-20 05:32:02 -04:00
|
|
|
etype=EventTypes.JoinRules, content={"join_rule": config["join_rules"]}
|
2015-07-16 10:25:29 -04:00
|
|
|
)
|
|
|
|
|
2019-06-20 05:32:02 -04:00
|
|
|
if (EventTypes.RoomHistoryVisibility, "") not in initial_state:
|
2020-05-22 09:21:54 -04:00
|
|
|
last_sent_stream_id = await send(
|
2015-07-16 10:25:29 -04:00
|
|
|
etype=EventTypes.RoomHistoryVisibility,
|
2019-06-20 05:32:02 -04:00
|
|
|
content={"history_visibility": config["history_visibility"]},
|
2015-07-16 10:25:29 -04:00
|
|
|
)
|
|
|
|
|
2016-03-17 12:07:35 -04:00
|
|
|
if config["guest_can_join"]:
|
2019-06-20 05:32:02 -04:00
|
|
|
if (EventTypes.GuestAccess, "") not in initial_state:
|
2020-05-22 09:21:54 -04:00
|
|
|
last_sent_stream_id = await send(
|
2021-09-06 07:17:16 -04:00
|
|
|
etype=EventTypes.GuestAccess,
|
|
|
|
content={EventContentFields.GUEST_ACCESS: GuestAccess.CAN_JOIN},
|
2016-03-17 12:07:35 -04:00
|
|
|
)
|
|
|
|
|
2015-07-16 10:25:29 -04:00
|
|
|
for (etype, state_key), content in initial_state.items():
|
2020-05-22 09:21:54 -04:00
|
|
|
last_sent_stream_id = await send(
|
|
|
|
etype=etype, state_key=state_key, content=content
|
|
|
|
)
|
|
|
|
|
2020-06-10 12:44:34 -04:00
|
|
|
if config["encrypted"]:
|
|
|
|
last_sent_stream_id = await send(
|
|
|
|
etype=EventTypes.RoomEncryption,
|
|
|
|
state_key="",
|
|
|
|
content={"algorithm": RoomEncryptionAlgorithms.DEFAULT},
|
|
|
|
)
|
|
|
|
|
2020-05-22 09:21:54 -04:00
|
|
|
return last_sent_stream_id
|
2014-08-28 05:59:15 -04:00
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
async def _generate_room_id(
|
2021-02-16 17:32:34 -05:00
|
|
|
self,
|
|
|
|
creator_id: str,
|
|
|
|
is_public: bool,
|
|
|
|
room_version: RoomVersion,
|
2021-09-20 08:56:23 -04:00
|
|
|
) -> str:
|
2018-10-25 12:40:41 -04:00
|
|
|
# autogen room IDs and try to create it. We may clash, so just
|
|
|
|
# try a few times till one goes through, giving up eventually.
|
|
|
|
attempts = 0
|
|
|
|
while attempts < 5:
|
|
|
|
try:
|
|
|
|
random_string = stringutils.random_string(18)
|
2019-06-20 05:32:02 -04:00
|
|
|
gen_room_id = RoomID(random_string, self.hs.hostname).to_string()
|
2020-05-04 07:43:52 -04:00
|
|
|
await self.store.store_room(
|
2018-10-25 12:40:41 -04:00
|
|
|
room_id=gen_room_id,
|
|
|
|
room_creator_user_id=creator_id,
|
|
|
|
is_public=is_public,
|
2020-01-27 09:30:57 -05:00
|
|
|
room_version=room_version,
|
2018-10-25 12:40:41 -04:00
|
|
|
)
|
2019-07-23 09:00:55 -04:00
|
|
|
return gen_room_id
|
2018-10-25 12:40:41 -04:00
|
|
|
except StoreError:
|
|
|
|
attempts += 1
|
|
|
|
raise StoreError(500, "Couldn't generate a room ID.")
|
|
|
|
|
2014-08-12 10:10:52 -04:00
|
|
|
|
2020-09-04 06:54:56 -04:00
|
|
|
class RoomContextHandler:
|
2020-08-14 09:47:53 -04:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2018-07-18 10:29:45 -04:00
|
|
|
self.hs = hs
|
2021-01-28 06:27:30 -05:00
|
|
|
self.auth = hs.get_auth()
|
2018-07-18 10:29:45 -04:00
|
|
|
self.store = hs.get_datastore()
|
2019-10-23 12:25:54 -04:00
|
|
|
self.storage = hs.get_storage()
|
|
|
|
self.state_store = self.storage.state
|
2018-07-18 10:29:45 -04:00
|
|
|
|
2020-08-14 09:47:53 -04:00
|
|
|
async def get_event_context(
|
|
|
|
self,
|
2021-01-28 06:27:30 -05:00
|
|
|
requester: Requester,
|
2020-08-14 09:47:53 -04:00
|
|
|
room_id: str,
|
|
|
|
event_id: str,
|
|
|
|
limit: int,
|
|
|
|
event_filter: Optional[Filter],
|
2021-01-18 09:02:22 -05:00
|
|
|
use_admin_priviledge: bool = False,
|
2020-08-14 09:47:53 -04:00
|
|
|
) -> Optional[JsonDict]:
|
2015-10-28 10:05:50 -04:00
|
|
|
"""Retrieves events, pagination tokens and state around a given event
|
|
|
|
in a room.
|
|
|
|
|
|
|
|
Args:
|
2021-01-28 06:27:30 -05:00
|
|
|
requester
|
2020-08-14 09:47:53 -04:00
|
|
|
room_id
|
|
|
|
event_id
|
|
|
|
limit: The maximum number of events to return in total
|
2015-10-28 10:05:50 -04:00
|
|
|
(excluding state).
|
2020-08-14 09:47:53 -04:00
|
|
|
event_filter: the filter to apply to the events returned
|
2018-07-27 10:12:50 -04:00
|
|
|
(excluding the target event_id)
|
2021-01-18 09:02:22 -05:00
|
|
|
use_admin_priviledge: if `True`, return all events, regardless
|
|
|
|
of whether `user` has access to them. To be used **ONLY**
|
|
|
|
from the admin API.
|
2015-10-28 10:05:50 -04:00
|
|
|
Returns:
|
2016-01-13 09:19:22 -05:00
|
|
|
dict, or None if the event isn't found
|
2015-10-28 10:05:50 -04:00
|
|
|
"""
|
2021-01-28 06:27:30 -05:00
|
|
|
user = requester.user
|
|
|
|
if use_admin_priviledge:
|
|
|
|
await assert_user_is_admin(self.auth, requester.user)
|
|
|
|
|
2019-06-20 05:32:02 -04:00
|
|
|
before_limit = math.floor(limit / 2.0)
|
2015-10-28 09:45:56 -04:00
|
|
|
after_limit = limit - before_limit
|
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
users = await self.store.get_users_in_room(room_id)
|
2017-02-20 09:54:50 -05:00
|
|
|
is_peeking = user.to_string() not in users
|
|
|
|
|
2021-09-20 08:56:23 -04:00
|
|
|
async def filter_evts(events: List[EventBase]) -> List[EventBase]:
|
2021-01-25 12:02:35 -05:00
|
|
|
if use_admin_priviledge:
|
2021-01-28 06:23:19 -05:00
|
|
|
return events
|
|
|
|
return await filter_events_for_client(
|
2019-10-23 12:25:54 -04:00
|
|
|
self.storage, user.to_string(), events, is_peeking=is_peeking
|
2016-05-11 08:42:37 -04:00
|
|
|
)
|
2016-01-13 09:19:22 -05:00
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
event = await self.store.get_event(
|
2019-06-20 05:32:02 -04:00
|
|
|
event_id, get_prev_content=True, allow_none=True
|
|
|
|
)
|
2016-01-13 09:19:22 -05:00
|
|
|
if not event:
|
2019-07-23 09:00:55 -04:00
|
|
|
return None
|
2016-01-13 09:19:22 -05:00
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
filtered = await filter_evts([event])
|
2016-01-13 09:19:22 -05:00
|
|
|
if not filtered:
|
2019-06-20 05:32:02 -04:00
|
|
|
raise AuthError(403, "You don't have permission to access that event.")
|
2016-01-13 09:19:22 -05:00
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
results = await self.store.get_events_around(
|
2018-07-27 10:12:50 -04:00
|
|
|
room_id, event_id, before_limit, after_limit, event_filter
|
2015-10-28 09:45:56 -04:00
|
|
|
)
|
|
|
|
|
2019-11-05 10:27:38 -05:00
|
|
|
if event_filter:
|
|
|
|
results["events_before"] = event_filter.filter(results["events_before"])
|
|
|
|
results["events_after"] = event_filter.filter(results["events_after"])
|
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
results["events_before"] = await filter_evts(results["events_before"])
|
|
|
|
results["events_after"] = await filter_evts(results["events_after"])
|
2019-12-16 07:14:12 -05:00
|
|
|
# filter_evts can return a pruned event in case the user is allowed to see that
|
|
|
|
# there's something there but not see the content, so use the event that's in
|
|
|
|
# `filtered` rather than the event we retrieved from the datastore.
|
|
|
|
results["event"] = filtered[0]
|
2015-10-28 09:45:56 -04:00
|
|
|
|
|
|
|
if results["events_after"]:
|
|
|
|
last_event_id = results["events_after"][-1].event_id
|
|
|
|
else:
|
|
|
|
last_event_id = event_id
|
|
|
|
|
2018-07-27 10:12:50 -04:00
|
|
|
if event_filter and event_filter.lazy_load_members():
|
2018-10-25 12:49:55 -04:00
|
|
|
state_filter = StateFilter.from_lazy_load_member_list(
|
|
|
|
ev.sender
|
|
|
|
for ev in itertools.chain(
|
|
|
|
results["events_before"],
|
|
|
|
(results["event"],),
|
|
|
|
results["events_after"],
|
|
|
|
)
|
|
|
|
)
|
|
|
|
else:
|
|
|
|
state_filter = StateFilter.all()
|
2018-07-27 10:12:50 -04:00
|
|
|
|
|
|
|
# XXX: why do we return the state as of the last event rather than the
|
|
|
|
# first? Shouldn't we be consistent with /sync?
|
|
|
|
# https://github.com/matrix-org/matrix-doc/issues/687
|
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
state = await self.state_store.get_state_for_events(
|
2019-06-20 05:32:02 -04:00
|
|
|
[last_event_id], state_filter=state_filter
|
2015-10-28 09:45:56 -04:00
|
|
|
)
|
2019-11-06 13:14:03 -05:00
|
|
|
|
|
|
|
state_events = list(state[last_event_id].values())
|
|
|
|
if event_filter:
|
|
|
|
state_events = event_filter.filter(state_events)
|
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
results["state"] = await filter_evts(state_events)
|
2015-10-28 09:45:56 -04:00
|
|
|
|
2018-07-24 11:46:30 -04:00
|
|
|
# We use a dummy token here as we only care about the room portion of
|
|
|
|
# the token, which we replace.
|
|
|
|
token = StreamToken.START
|
|
|
|
|
2020-09-30 15:29:19 -04:00
|
|
|
results["start"] = await token.copy_and_replace(
|
2015-10-28 09:45:56 -04:00
|
|
|
"room_key", results["start"]
|
2020-09-30 15:29:19 -04:00
|
|
|
).to_string(self.store)
|
2015-10-28 09:45:56 -04:00
|
|
|
|
2020-09-30 15:29:19 -04:00
|
|
|
results["end"] = await token.copy_and_replace(
|
|
|
|
"room_key", results["end"]
|
|
|
|
).to_string(self.store)
|
2015-10-28 09:45:56 -04:00
|
|
|
|
2019-07-23 09:00:55 -04:00
|
|
|
return results
|
2015-10-28 09:45:56 -04:00
|
|
|
|
|
|
|
|
2021-09-21 13:34:26 -04:00
|
|
|
class RoomEventSource(EventSource[RoomStreamToken, EventBase]):
|
2020-08-14 09:47:53 -04:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2014-08-29 12:09:15 -04:00
|
|
|
self.store = hs.get_datastore()
|
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
async def get_new_events(
|
2020-08-14 09:47:53 -04:00
|
|
|
self,
|
|
|
|
user: UserID,
|
2020-09-11 07:22:55 -04:00
|
|
|
from_key: RoomStreamToken,
|
2021-09-21 13:34:26 -04:00
|
|
|
limit: Optional[int],
|
|
|
|
room_ids: Collection[str],
|
2020-08-14 09:47:53 -04:00
|
|
|
is_guest: bool,
|
|
|
|
explicit_room_id: Optional[str] = None,
|
2020-09-11 07:22:55 -04:00
|
|
|
) -> Tuple[List[EventBase], RoomStreamToken]:
|
2014-08-29 12:09:15 -04:00
|
|
|
# We just ignore the key for now.
|
|
|
|
|
2020-08-04 07:21:47 -04:00
|
|
|
to_key = self.get_current_key()
|
2014-08-29 12:09:15 -04:00
|
|
|
|
2020-09-11 07:22:55 -04:00
|
|
|
if from_key.topological:
|
2019-10-31 06:23:24 -04:00
|
|
|
logger.warning("Stream has topological part!!!! %r", from_key)
|
2020-09-11 07:22:55 -04:00
|
|
|
from_key = RoomStreamToken(None, from_key.stream)
|
2016-02-02 09:11:14 -05:00
|
|
|
|
2019-06-20 05:32:02 -04:00
|
|
|
app_service = self.store.get_app_service_by_user_id(user.to_string())
|
2015-02-25 10:00:59 -05:00
|
|
|
if app_service:
|
2018-03-05 10:42:57 -05:00
|
|
|
# We no longer support AS users using /sync directly.
|
|
|
|
# See https://github.com/matrix-org/matrix-doc/issues/1144
|
|
|
|
raise NotImplementedError()
|
2015-02-25 10:00:59 -05:00
|
|
|
else:
|
2020-05-04 07:43:52 -04:00
|
|
|
room_events = await self.store.get_membership_changes_for_user(
|
2016-02-01 11:26:51 -05:00
|
|
|
user.to_string(), from_key, to_key
|
|
|
|
)
|
|
|
|
|
2020-05-04 07:43:52 -04:00
|
|
|
room_to_events = await self.store.get_room_events_stream_for_rooms(
|
2016-02-01 11:26:51 -05:00
|
|
|
room_ids=room_ids,
|
2015-02-25 10:00:59 -05:00
|
|
|
from_key=from_key,
|
|
|
|
to_key=to_key,
|
2016-02-01 11:26:51 -05:00
|
|
|
limit=limit or 10,
|
2019-06-20 05:32:02 -04:00
|
|
|
order="ASC",
|
2015-02-25 10:00:59 -05:00
|
|
|
)
|
2014-08-29 12:09:15 -04:00
|
|
|
|
2016-02-01 11:26:51 -05:00
|
|
|
events = list(room_events)
|
|
|
|
events.extend(e for evs, _ in room_to_events.values() for e in evs)
|
|
|
|
|
2016-02-01 11:32:46 -05:00
|
|
|
events.sort(key=lambda e: e.internal_metadata.order)
|
2016-02-01 11:26:51 -05:00
|
|
|
|
|
|
|
if limit:
|
|
|
|
events[:] = events[:limit]
|
|
|
|
|
|
|
|
if events:
|
2020-09-29 16:48:33 -04:00
|
|
|
end_key = events[-1].internal_metadata.after
|
2016-02-01 11:26:51 -05:00
|
|
|
else:
|
|
|
|
end_key = to_key
|
|
|
|
|
2019-07-23 09:00:55 -04:00
|
|
|
return (events, end_key)
|
2014-08-29 12:09:15 -04:00
|
|
|
|
2020-09-11 07:22:55 -04:00
|
|
|
def get_current_key(self) -> RoomStreamToken:
|
2020-09-29 16:48:33 -04:00
|
|
|
return self.store.get_room_max_token()
|
2016-10-24 08:35:51 -04:00
|
|
|
|
2020-08-04 07:21:47 -04:00
|
|
|
def get_current_key_for_room(self, room_id: str) -> Awaitable[str]:
|
2016-10-24 08:35:51 -04:00
|
|
|
return self.store.get_room_events_max_id(room_id)
|
2020-07-14 07:36:23 -04:00
|
|
|
|
|
|
|
|
2020-09-04 06:54:56 -04:00
|
|
|
class RoomShutdownHandler:
|
2020-07-14 07:36:23 -04:00
|
|
|
|
|
|
|
DEFAULT_MESSAGE = (
|
|
|
|
"Sharing illegal content on this server is not permitted and rooms in"
|
|
|
|
" violation will be blocked."
|
|
|
|
)
|
|
|
|
DEFAULT_ROOM_NAME = "Content Violation Notification"
|
|
|
|
|
2020-08-14 09:47:53 -04:00
|
|
|
def __init__(self, hs: "HomeServer"):
|
2020-07-14 07:36:23 -04:00
|
|
|
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,)
|
|
|
|
)
|
|
|
|
|
2020-11-17 05:51:25 -05:00
|
|
|
room_creator_requester = create_requester(
|
|
|
|
new_room_user_id, authenticated_entity=requester_user_id
|
|
|
|
)
|
2020-07-14 07:36:23 -04:00
|
|
|
|
|
|
|
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
|
2020-10-23 12:38:40 -04:00
|
|
|
# that we can assume that all the joins/invites have propagated before
|
2020-07-14 07:36:23 -04:00
|
|
|
# we try and auto join below.
|
|
|
|
await self._replication.wait_for_stream_position(
|
2020-09-14 05:16:41 -04:00
|
|
|
self.hs.config.worker.events_shard_config.get_instance(new_room_id),
|
|
|
|
"events",
|
|
|
|
stream_id,
|
2020-07-14 07:36:23 -04:00
|
|
|
)
|
|
|
|
else:
|
|
|
|
new_room_id = None
|
|
|
|
logger.info("Shutting down room %r", room_id)
|
|
|
|
|
2021-05-05 11:49:34 -04:00
|
|
|
users = await self.store.get_users_in_room(room_id)
|
2020-07-14 07:36:23 -04:00
|
|
|
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
|
2020-11-17 05:51:25 -05:00
|
|
|
target_requester = create_requester(
|
|
|
|
user_id, authenticated_entity=requester_user_id
|
|
|
|
)
|
2020-07-14 07:36:23 -04:00
|
|
|
_, 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(
|
2020-09-14 05:16:41 -04:00
|
|
|
self.hs.config.worker.events_shard_config.get_instance(room_id),
|
|
|
|
"events",
|
|
|
|
stream_id,
|
2020-07-14 07:36:23 -04:00
|
|
|
)
|
|
|
|
|
|
|
|
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,
|
|
|
|
)
|
|
|
|
|
2020-08-27 07:08:38 -04:00
|
|
|
aliases_for_room = await self.store.get_aliases_for_room(room_id)
|
2020-07-14 07:36:23 -04:00
|
|
|
|
|
|
|
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,
|
|
|
|
}
|