1810 lines
64 KiB
Python
1810 lines
64 KiB
Python
# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2019 The Matrix.org Foundation C.I.C.
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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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import collections
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import logging
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from abc import abstractmethod
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from enum import Enum
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from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple
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from synapse.api.constants import EventContentFields, EventTypes, JoinRules
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from synapse.api.errors import StoreError
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from synapse.api.room_versions import RoomVersion, RoomVersions
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from synapse.events import EventBase
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from synapse.storage._base import SQLBaseStore, db_to_json
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from synapse.storage.database import DatabasePool, LoggingTransaction
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from synapse.storage.databases.main.search import SearchStore
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from synapse.storage.types import Cursor
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from synapse.types import JsonDict, ThirdPartyInstanceID
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from synapse.util import json_encoder
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from synapse.util.caches.descriptors import cached
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from synapse.util.stringutils import MXC_REGEX
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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RatelimitOverride = collections.namedtuple(
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"RatelimitOverride", ("messages_per_second", "burst_count")
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)
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class RoomSortOrder(Enum):
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"""
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Enum to define the sorting method used when returning rooms with get_rooms_paginate
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NAME = sort rooms alphabetically by name
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JOINED_MEMBERS = sort rooms by membership size, highest to lowest
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"""
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# ALPHABETICAL and SIZE are deprecated.
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# ALPHABETICAL is the same as NAME.
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ALPHABETICAL = "alphabetical"
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# SIZE is the same as JOINED_MEMBERS.
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SIZE = "size"
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NAME = "name"
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CANONICAL_ALIAS = "canonical_alias"
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JOINED_MEMBERS = "joined_members"
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JOINED_LOCAL_MEMBERS = "joined_local_members"
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VERSION = "version"
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CREATOR = "creator"
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ENCRYPTION = "encryption"
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FEDERATABLE = "federatable"
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PUBLIC = "public"
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JOIN_RULES = "join_rules"
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GUEST_ACCESS = "guest_access"
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HISTORY_VISIBILITY = "history_visibility"
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STATE_EVENTS = "state_events"
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class RoomWorkerStore(SQLBaseStore):
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def __init__(self, database: DatabasePool, db_conn, hs: "HomeServer"):
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super().__init__(database, db_conn, hs)
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self.config = hs.config
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async def store_room(
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self,
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room_id: str,
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room_creator_user_id: str,
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is_public: bool,
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room_version: RoomVersion,
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):
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"""Stores a room.
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Args:
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room_id: The desired room ID, can be None.
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room_creator_user_id: The user ID of the room creator.
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is_public: True to indicate that this room should appear in
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public room lists.
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room_version: The version of the room
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Raises:
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StoreError if the room could not be stored.
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"""
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try:
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await self.db_pool.simple_insert(
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"rooms",
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{
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"room_id": room_id,
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"creator": room_creator_user_id,
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"is_public": is_public,
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"room_version": room_version.identifier,
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"has_auth_chain_index": True,
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},
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desc="store_room",
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)
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except Exception as e:
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logger.error("store_room with room_id=%s failed: %s", room_id, e)
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raise StoreError(500, "Problem creating room.")
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async def get_room(self, room_id: str) -> dict:
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"""Retrieve a room.
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Args:
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room_id: The ID of the room to retrieve.
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Returns:
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A dict containing the room information, or None if the room is unknown.
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"""
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return await self.db_pool.simple_select_one(
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table="rooms",
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keyvalues={"room_id": room_id},
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retcols=("room_id", "is_public", "creator", "has_auth_chain_index"),
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desc="get_room",
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allow_none=True,
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)
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async def get_room_with_stats(self, room_id: str) -> Optional[Dict[str, Any]]:
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"""Retrieve room with statistics.
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Args:
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room_id: The ID of the room to retrieve.
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Returns:
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A dict containing the room information, or None if the room is unknown.
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"""
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def get_room_with_stats_txn(txn, room_id):
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sql = """
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SELECT room_id, state.name, state.canonical_alias, curr.joined_members,
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curr.local_users_in_room AS joined_local_members, rooms.room_version AS version,
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rooms.creator, state.encryption, state.is_federatable AS federatable,
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rooms.is_public AS public, state.join_rules, state.guest_access,
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state.history_visibility, curr.current_state_events AS state_events,
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state.avatar, state.topic
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FROM rooms
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LEFT JOIN room_stats_state state USING (room_id)
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LEFT JOIN room_stats_current curr USING (room_id)
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WHERE room_id = ?
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"""
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txn.execute(sql, [room_id])
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# Catch error if sql returns empty result to return "None" instead of an error
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try:
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res = self.db_pool.cursor_to_dict(txn)[0]
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except IndexError:
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return None
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res["federatable"] = bool(res["federatable"])
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res["public"] = bool(res["public"])
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return res
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return await self.db_pool.runInteraction(
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"get_room_with_stats", get_room_with_stats_txn, room_id
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)
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async def get_public_room_ids(self) -> List[str]:
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return await self.db_pool.simple_select_onecol(
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table="rooms",
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keyvalues={"is_public": True},
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retcol="room_id",
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desc="get_public_room_ids",
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)
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async def count_public_rooms(
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self,
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network_tuple: Optional[ThirdPartyInstanceID],
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ignore_non_federatable: bool,
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) -> int:
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"""Counts the number of public rooms as tracked in the room_stats_current
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and room_stats_state table.
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Args:
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network_tuple
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ignore_non_federatable: If true filters out non-federatable rooms
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"""
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def _count_public_rooms_txn(txn):
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query_args = []
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if network_tuple:
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if network_tuple.appservice_id:
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published_sql = """
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SELECT room_id from appservice_room_list
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WHERE appservice_id = ? AND network_id = ?
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"""
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query_args.append(network_tuple.appservice_id)
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query_args.append(network_tuple.network_id)
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else:
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published_sql = """
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SELECT room_id FROM rooms WHERE is_public
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"""
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else:
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published_sql = """
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SELECT room_id FROM rooms WHERE is_public
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UNION SELECT room_id from appservice_room_list
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"""
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sql = """
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SELECT
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COALESCE(COUNT(*), 0)
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FROM (
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%(published_sql)s
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) published
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INNER JOIN room_stats_state USING (room_id)
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INNER JOIN room_stats_current USING (room_id)
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WHERE
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(
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join_rules = 'public' OR join_rules = '%(knock_join_rule)s'
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OR history_visibility = 'world_readable'
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)
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AND joined_members > 0
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""" % {
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"published_sql": published_sql,
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"knock_join_rule": JoinRules.KNOCK,
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}
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txn.execute(sql, query_args)
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return txn.fetchone()[0]
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return await self.db_pool.runInteraction(
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"count_public_rooms", _count_public_rooms_txn
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)
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async def get_room_count(self) -> int:
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"""Retrieve the total number of rooms."""
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def f(txn):
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sql = "SELECT count(*) FROM rooms"
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txn.execute(sql)
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row = txn.fetchone()
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return row[0] or 0
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return await self.db_pool.runInteraction("get_rooms", f)
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async def get_largest_public_rooms(
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self,
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network_tuple: Optional[ThirdPartyInstanceID],
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search_filter: Optional[dict],
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limit: Optional[int],
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bounds: Optional[Tuple[int, str]],
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forwards: bool,
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ignore_non_federatable: bool = False,
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):
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"""Gets the largest public rooms (where largest is in terms of joined
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members, as tracked in the statistics table).
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Args:
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network_tuple
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search_filter
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limit: Maxmimum number of rows to return, unlimited otherwise.
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bounds: An uppoer or lower bound to apply to result set if given,
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consists of a joined member count and room_id (these are
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excluded from result set).
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forwards: true iff going forwards, going backwards otherwise
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ignore_non_federatable: If true filters out non-federatable rooms.
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Returns:
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Rooms in order: biggest number of joined users first.
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We then arbitrarily use the room_id as a tie breaker.
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"""
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where_clauses = []
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query_args = []
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if network_tuple:
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if network_tuple.appservice_id:
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published_sql = """
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SELECT room_id from appservice_room_list
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WHERE appservice_id = ? AND network_id = ?
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"""
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query_args.append(network_tuple.appservice_id)
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query_args.append(network_tuple.network_id)
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else:
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published_sql = """
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SELECT room_id FROM rooms WHERE is_public
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"""
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else:
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published_sql = """
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SELECT room_id FROM rooms WHERE is_public
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UNION SELECT room_id from appservice_room_list
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"""
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# Work out the bounds if we're given them, these bounds look slightly
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# odd, but are designed to help query planner use indices by pulling
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# out a common bound.
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if bounds:
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last_joined_members, last_room_id = bounds
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if forwards:
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where_clauses.append(
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"""
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joined_members <= ? AND (
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joined_members < ? OR room_id < ?
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)
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"""
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)
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else:
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where_clauses.append(
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"""
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joined_members >= ? AND (
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joined_members > ? OR room_id > ?
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)
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"""
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)
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query_args += [last_joined_members, last_joined_members, last_room_id]
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if ignore_non_federatable:
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where_clauses.append("is_federatable")
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if search_filter and search_filter.get("generic_search_term", None):
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search_term = "%" + search_filter["generic_search_term"] + "%"
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where_clauses.append(
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"""
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(
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LOWER(name) LIKE ?
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OR LOWER(topic) LIKE ?
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OR LOWER(canonical_alias) LIKE ?
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)
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"""
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)
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query_args += [
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search_term.lower(),
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search_term.lower(),
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search_term.lower(),
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]
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where_clause = ""
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if where_clauses:
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where_clause = " AND " + " AND ".join(where_clauses)
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sql = """
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SELECT
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room_id, name, topic, canonical_alias, joined_members,
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avatar, history_visibility, guest_access, join_rules
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FROM (
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%(published_sql)s
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) published
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INNER JOIN room_stats_state USING (room_id)
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INNER JOIN room_stats_current USING (room_id)
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WHERE
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(
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join_rules = 'public' OR join_rules = '%(knock_join_rule)s'
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OR history_visibility = 'world_readable'
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)
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AND joined_members > 0
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%(where_clause)s
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ORDER BY joined_members %(dir)s, room_id %(dir)s
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""" % {
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"published_sql": published_sql,
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"where_clause": where_clause,
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"dir": "DESC" if forwards else "ASC",
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"knock_join_rule": JoinRules.KNOCK,
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}
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if limit is not None:
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query_args.append(limit)
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sql += """
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LIMIT ?
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"""
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def _get_largest_public_rooms_txn(txn):
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txn.execute(sql, query_args)
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results = self.db_pool.cursor_to_dict(txn)
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if not forwards:
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results.reverse()
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return results
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ret_val = await self.db_pool.runInteraction(
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"get_largest_public_rooms", _get_largest_public_rooms_txn
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)
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return ret_val
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@cached(max_entries=10000)
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async def is_room_blocked(self, room_id: str) -> Optional[bool]:
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return await self.db_pool.simple_select_one_onecol(
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table="blocked_rooms",
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keyvalues={"room_id": room_id},
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retcol="1",
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allow_none=True,
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desc="is_room_blocked",
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)
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async def room_is_blocked_by(self, room_id: str) -> Optional[str]:
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"""
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Function to retrieve user who has blocked the room.
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user_id is non-nullable
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It returns None if the room is not blocked.
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"""
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return await self.db_pool.simple_select_one_onecol(
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table="blocked_rooms",
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keyvalues={"room_id": room_id},
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retcol="user_id",
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allow_none=True,
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desc="room_is_blocked_by",
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)
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async def get_rooms_paginate(
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self,
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start: int,
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limit: int,
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order_by: str,
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reverse_order: bool,
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search_term: Optional[str],
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) -> Tuple[List[Dict[str, Any]], int]:
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"""Function to retrieve a paginated list of rooms as json.
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Args:
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start: offset in the list
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limit: maximum amount of rooms to retrieve
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order_by: the sort order of the returned list
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reverse_order: whether to reverse the room list
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search_term: a string to filter room names,
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canonical alias and room ids by.
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Room ID must match exactly. Canonical alias must match a substring of the local part.
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Returns:
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A list of room dicts and an integer representing the total number of
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rooms that exist given this query
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"""
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# Filter room names by a string
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where_statement = ""
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search_pattern = []
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if search_term:
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where_statement = """
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WHERE LOWER(state.name) LIKE ?
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OR LOWER(state.canonical_alias) LIKE ?
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OR state.room_id = ?
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"""
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# Our postgres db driver converts ? -> %s in SQL strings as that's the
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# placeholder for postgres.
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# HOWEVER, if you put a % into your SQL then everything goes wibbly.
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# To get around this, we're going to surround search_term with %'s
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# before giving it to the database in python instead
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search_pattern = [
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"%" + search_term.lower() + "%",
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"#%" + search_term.lower() + "%:%",
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search_term,
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]
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# Set ordering
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if RoomSortOrder(order_by) == RoomSortOrder.SIZE:
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# Deprecated in favour of RoomSortOrder.JOINED_MEMBERS
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order_by_column = "curr.joined_members"
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order_by_asc = False
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elif RoomSortOrder(order_by) == RoomSortOrder.ALPHABETICAL:
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# Deprecated in favour of RoomSortOrder.NAME
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order_by_column = "state.name"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.NAME:
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order_by_column = "state.name"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.CANONICAL_ALIAS:
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order_by_column = "state.canonical_alias"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.JOINED_MEMBERS:
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order_by_column = "curr.joined_members"
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order_by_asc = False
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elif RoomSortOrder(order_by) == RoomSortOrder.JOINED_LOCAL_MEMBERS:
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order_by_column = "curr.local_users_in_room"
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order_by_asc = False
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elif RoomSortOrder(order_by) == RoomSortOrder.VERSION:
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order_by_column = "rooms.room_version"
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order_by_asc = False
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elif RoomSortOrder(order_by) == RoomSortOrder.CREATOR:
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order_by_column = "rooms.creator"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.ENCRYPTION:
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order_by_column = "state.encryption"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.FEDERATABLE:
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order_by_column = "state.is_federatable"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.PUBLIC:
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order_by_column = "rooms.is_public"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.JOIN_RULES:
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order_by_column = "state.join_rules"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.GUEST_ACCESS:
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order_by_column = "state.guest_access"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.HISTORY_VISIBILITY:
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order_by_column = "state.history_visibility"
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order_by_asc = True
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elif RoomSortOrder(order_by) == RoomSortOrder.STATE_EVENTS:
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order_by_column = "curr.current_state_events"
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order_by_asc = False
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else:
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raise StoreError(
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500, "Incorrect value for order_by provided: %s" % order_by
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)
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# Whether to return the list in reverse order
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if reverse_order:
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# Flip the boolean
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order_by_asc = not order_by_asc
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|
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# Create one query for getting the limited number of events that the user asked
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# for, and another query for getting the total number of events that could be
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# returned. Thus allowing us to see if there are more events to paginate through
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info_sql = """
|
|
SELECT state.room_id, state.name, state.canonical_alias, curr.joined_members,
|
|
curr.local_users_in_room, rooms.room_version, rooms.creator,
|
|
state.encryption, state.is_federatable, rooms.is_public, state.join_rules,
|
|
state.guest_access, state.history_visibility, curr.current_state_events
|
|
FROM room_stats_state state
|
|
INNER JOIN room_stats_current curr USING (room_id)
|
|
INNER JOIN rooms USING (room_id)
|
|
%s
|
|
ORDER BY %s %s
|
|
LIMIT ?
|
|
OFFSET ?
|
|
""" % (
|
|
where_statement,
|
|
order_by_column,
|
|
"ASC" if order_by_asc else "DESC",
|
|
)
|
|
|
|
# Use a nested SELECT statement as SQL can't count(*) with an OFFSET
|
|
count_sql = """
|
|
SELECT count(*) FROM (
|
|
SELECT room_id FROM room_stats_state state
|
|
%s
|
|
) AS get_room_ids
|
|
""" % (
|
|
where_statement,
|
|
)
|
|
|
|
def _get_rooms_paginate_txn(txn):
|
|
# Add the search term into the WHERE clause
|
|
# and execute the data query
|
|
txn.execute(info_sql, search_pattern + [limit, start])
|
|
|
|
# Refactor room query data into a structured dictionary
|
|
rooms = []
|
|
for room in txn:
|
|
rooms.append(
|
|
{
|
|
"room_id": room[0],
|
|
"name": room[1],
|
|
"canonical_alias": room[2],
|
|
"joined_members": room[3],
|
|
"joined_local_members": room[4],
|
|
"version": room[5],
|
|
"creator": room[6],
|
|
"encryption": room[7],
|
|
"federatable": room[8],
|
|
"public": room[9],
|
|
"join_rules": room[10],
|
|
"guest_access": room[11],
|
|
"history_visibility": room[12],
|
|
"state_events": room[13],
|
|
}
|
|
)
|
|
|
|
# Execute the count query
|
|
|
|
# Add the search term into the WHERE clause if present
|
|
txn.execute(count_sql, search_pattern)
|
|
|
|
room_count = txn.fetchone()
|
|
return rooms, room_count[0]
|
|
|
|
return await self.db_pool.runInteraction(
|
|
"get_rooms_paginate",
|
|
_get_rooms_paginate_txn,
|
|
)
|
|
|
|
@cached(max_entries=10000)
|
|
async def get_ratelimit_for_user(self, user_id: str) -> Optional[RatelimitOverride]:
|
|
"""Check if there are any overrides for ratelimiting for the given user
|
|
|
|
Args:
|
|
user_id: user ID of the user
|
|
Returns:
|
|
RatelimitOverride if there is an override, else None. If the contents
|
|
of RatelimitOverride are None or 0 then ratelimitng has been
|
|
disabled for that user entirely.
|
|
"""
|
|
row = await self.db_pool.simple_select_one(
|
|
table="ratelimit_override",
|
|
keyvalues={"user_id": user_id},
|
|
retcols=("messages_per_second", "burst_count"),
|
|
allow_none=True,
|
|
desc="get_ratelimit_for_user",
|
|
)
|
|
|
|
if row:
|
|
return RatelimitOverride(
|
|
messages_per_second=row["messages_per_second"],
|
|
burst_count=row["burst_count"],
|
|
)
|
|
else:
|
|
return None
|
|
|
|
async def set_ratelimit_for_user(
|
|
self, user_id: str, messages_per_second: int, burst_count: int
|
|
) -> None:
|
|
"""Sets whether a user is set an overridden ratelimit.
|
|
Args:
|
|
user_id: user ID of the user
|
|
messages_per_second: The number of actions that can be performed in a second.
|
|
burst_count: How many actions that can be performed before being limited.
|
|
"""
|
|
|
|
def set_ratelimit_txn(txn):
|
|
self.db_pool.simple_upsert_txn(
|
|
txn,
|
|
table="ratelimit_override",
|
|
keyvalues={"user_id": user_id},
|
|
values={
|
|
"messages_per_second": messages_per_second,
|
|
"burst_count": burst_count,
|
|
},
|
|
)
|
|
|
|
self._invalidate_cache_and_stream(
|
|
txn, self.get_ratelimit_for_user, (user_id,)
|
|
)
|
|
|
|
await self.db_pool.runInteraction("set_ratelimit", set_ratelimit_txn)
|
|
|
|
async def delete_ratelimit_for_user(self, user_id: str) -> None:
|
|
"""Delete an overridden ratelimit for a user.
|
|
Args:
|
|
user_id: user ID of the user
|
|
"""
|
|
|
|
def delete_ratelimit_txn(txn):
|
|
row = self.db_pool.simple_select_one_txn(
|
|
txn,
|
|
table="ratelimit_override",
|
|
keyvalues={"user_id": user_id},
|
|
retcols=["user_id"],
|
|
allow_none=True,
|
|
)
|
|
|
|
if not row:
|
|
return
|
|
|
|
# They are there, delete them.
|
|
self.db_pool.simple_delete_one_txn(
|
|
txn, "ratelimit_override", keyvalues={"user_id": user_id}
|
|
)
|
|
|
|
self._invalidate_cache_and_stream(
|
|
txn, self.get_ratelimit_for_user, (user_id,)
|
|
)
|
|
|
|
await self.db_pool.runInteraction("delete_ratelimit", delete_ratelimit_txn)
|
|
|
|
@cached()
|
|
async def get_retention_policy_for_room(self, room_id):
|
|
"""Get the retention policy for a given room.
|
|
|
|
If no retention policy has been found for this room, returns a policy defined
|
|
by the configured default policy (which has None as both the 'min_lifetime' and
|
|
the 'max_lifetime' if no default policy has been defined in the server's
|
|
configuration).
|
|
|
|
Args:
|
|
room_id (str): The ID of the room to get the retention policy of.
|
|
|
|
Returns:
|
|
dict[int, int]: "min_lifetime" and "max_lifetime" for this room.
|
|
"""
|
|
|
|
def get_retention_policy_for_room_txn(txn):
|
|
txn.execute(
|
|
"""
|
|
SELECT min_lifetime, max_lifetime FROM room_retention
|
|
INNER JOIN current_state_events USING (event_id, room_id)
|
|
WHERE room_id = ?;
|
|
""",
|
|
(room_id,),
|
|
)
|
|
|
|
return self.db_pool.cursor_to_dict(txn)
|
|
|
|
ret = await self.db_pool.runInteraction(
|
|
"get_retention_policy_for_room",
|
|
get_retention_policy_for_room_txn,
|
|
)
|
|
|
|
# If we don't know this room ID, ret will be None, in this case return the default
|
|
# policy.
|
|
if not ret:
|
|
return {
|
|
"min_lifetime": self.config.retention.retention_default_min_lifetime,
|
|
"max_lifetime": self.config.retention.retention_default_max_lifetime,
|
|
}
|
|
|
|
row = ret[0]
|
|
|
|
# If one of the room's policy's attributes isn't defined, use the matching
|
|
# attribute from the default policy.
|
|
# The default values will be None if no default policy has been defined, or if one
|
|
# of the attributes is missing from the default policy.
|
|
if row["min_lifetime"] is None:
|
|
row["min_lifetime"] = self.config.retention.retention_default_min_lifetime
|
|
|
|
if row["max_lifetime"] is None:
|
|
row["max_lifetime"] = self.config.retention.retention_default_max_lifetime
|
|
|
|
return row
|
|
|
|
async def get_media_mxcs_in_room(self, room_id: str) -> Tuple[List[str], List[str]]:
|
|
"""Retrieves all the local and remote media MXC URIs in a given room
|
|
|
|
Args:
|
|
room_id
|
|
|
|
Returns:
|
|
The local and remote media as a lists of the media IDs.
|
|
"""
|
|
|
|
def _get_media_mxcs_in_room_txn(txn):
|
|
local_mxcs, remote_mxcs = self._get_media_mxcs_in_room_txn(txn, room_id)
|
|
local_media_mxcs = []
|
|
remote_media_mxcs = []
|
|
|
|
# Convert the IDs to MXC URIs
|
|
for media_id in local_mxcs:
|
|
local_media_mxcs.append("mxc://%s/%s" % (self.hs.hostname, media_id))
|
|
for hostname, media_id in remote_mxcs:
|
|
remote_media_mxcs.append("mxc://%s/%s" % (hostname, media_id))
|
|
|
|
return local_media_mxcs, remote_media_mxcs
|
|
|
|
return await self.db_pool.runInteraction(
|
|
"get_media_ids_in_room", _get_media_mxcs_in_room_txn
|
|
)
|
|
|
|
async def quarantine_media_ids_in_room(
|
|
self, room_id: str, quarantined_by: str
|
|
) -> int:
|
|
"""For a room loops through all events with media and quarantines
|
|
the associated media
|
|
"""
|
|
|
|
logger.info("Quarantining media in room: %s", room_id)
|
|
|
|
def _quarantine_media_in_room_txn(txn):
|
|
local_mxcs, remote_mxcs = self._get_media_mxcs_in_room_txn(txn, room_id)
|
|
return self._quarantine_media_txn(
|
|
txn, local_mxcs, remote_mxcs, quarantined_by
|
|
)
|
|
|
|
return await self.db_pool.runInteraction(
|
|
"quarantine_media_in_room", _quarantine_media_in_room_txn
|
|
)
|
|
|
|
def _get_media_mxcs_in_room_txn(self, txn, room_id):
|
|
"""Retrieves all the local and remote media MXC URIs in a given room
|
|
|
|
Args:
|
|
txn (cursor)
|
|
room_id (str)
|
|
|
|
Returns:
|
|
The local and remote media as a lists of tuples where the key is
|
|
the hostname and the value is the media ID.
|
|
"""
|
|
sql = """
|
|
SELECT stream_ordering, json FROM events
|
|
JOIN event_json USING (room_id, event_id)
|
|
WHERE room_id = ?
|
|
%(where_clause)s
|
|
AND contains_url = ? AND outlier = ?
|
|
ORDER BY stream_ordering DESC
|
|
LIMIT ?
|
|
"""
|
|
txn.execute(sql % {"where_clause": ""}, (room_id, True, False, 100))
|
|
|
|
local_media_mxcs = []
|
|
remote_media_mxcs = []
|
|
|
|
while True:
|
|
next_token = None
|
|
for stream_ordering, content_json in txn:
|
|
next_token = stream_ordering
|
|
event_json = db_to_json(content_json)
|
|
content = event_json["content"]
|
|
content_url = content.get("url")
|
|
thumbnail_url = content.get("info", {}).get("thumbnail_url")
|
|
|
|
for url in (content_url, thumbnail_url):
|
|
if not url:
|
|
continue
|
|
matches = MXC_REGEX.match(url)
|
|
if matches:
|
|
hostname = matches.group(1)
|
|
media_id = matches.group(2)
|
|
if hostname == self.hs.hostname:
|
|
local_media_mxcs.append(media_id)
|
|
else:
|
|
remote_media_mxcs.append((hostname, media_id))
|
|
|
|
if next_token is None:
|
|
# We've gone through the whole room, so we're finished.
|
|
break
|
|
|
|
txn.execute(
|
|
sql % {"where_clause": "AND stream_ordering < ?"},
|
|
(room_id, next_token, True, False, 100),
|
|
)
|
|
|
|
return local_media_mxcs, remote_media_mxcs
|
|
|
|
async def quarantine_media_by_id(
|
|
self,
|
|
server_name: str,
|
|
media_id: str,
|
|
quarantined_by: Optional[str],
|
|
) -> int:
|
|
"""quarantines or unquarantines a single local or remote media id
|
|
|
|
Args:
|
|
server_name: The name of the server that holds this media
|
|
media_id: The ID of the media to be quarantined
|
|
quarantined_by: The user ID that initiated the quarantine request
|
|
If it is `None` media will be removed from quarantine
|
|
"""
|
|
logger.info("Quarantining media: %s/%s", server_name, media_id)
|
|
is_local = server_name == self.config.server.server_name
|
|
|
|
def _quarantine_media_by_id_txn(txn):
|
|
local_mxcs = [media_id] if is_local else []
|
|
remote_mxcs = [(server_name, media_id)] if not is_local else []
|
|
|
|
return self._quarantine_media_txn(
|
|
txn, local_mxcs, remote_mxcs, quarantined_by
|
|
)
|
|
|
|
return await self.db_pool.runInteraction(
|
|
"quarantine_media_by_user", _quarantine_media_by_id_txn
|
|
)
|
|
|
|
async def quarantine_media_ids_by_user(
|
|
self, user_id: str, quarantined_by: str
|
|
) -> int:
|
|
"""quarantines all local media associated with a single user
|
|
|
|
Args:
|
|
user_id: The ID of the user to quarantine media of
|
|
quarantined_by: The ID of the user who made the quarantine request
|
|
"""
|
|
|
|
def _quarantine_media_by_user_txn(txn):
|
|
local_media_ids = self._get_media_ids_by_user_txn(txn, user_id)
|
|
return self._quarantine_media_txn(txn, local_media_ids, [], quarantined_by)
|
|
|
|
return await self.db_pool.runInteraction(
|
|
"quarantine_media_by_user", _quarantine_media_by_user_txn
|
|
)
|
|
|
|
def _get_media_ids_by_user_txn(self, txn, user_id: str, filter_quarantined=True):
|
|
"""Retrieves local media IDs by a given user
|
|
|
|
Args:
|
|
txn (cursor)
|
|
user_id: The ID of the user to retrieve media IDs of
|
|
|
|
Returns:
|
|
The local and remote media as a lists of tuples where the key is
|
|
the hostname and the value is the media ID.
|
|
"""
|
|
# Local media
|
|
sql = """
|
|
SELECT media_id
|
|
FROM local_media_repository
|
|
WHERE user_id = ?
|
|
"""
|
|
if filter_quarantined:
|
|
sql += "AND quarantined_by IS NULL"
|
|
txn.execute(sql, (user_id,))
|
|
|
|
local_media_ids = [row[0] for row in txn]
|
|
|
|
# TODO: Figure out all remote media a user has referenced in a message
|
|
|
|
return local_media_ids
|
|
|
|
def _quarantine_media_txn(
|
|
self,
|
|
txn,
|
|
local_mxcs: List[str],
|
|
remote_mxcs: List[Tuple[str, str]],
|
|
quarantined_by: Optional[str],
|
|
) -> int:
|
|
"""Quarantine and unquarantine local and remote media items
|
|
|
|
Args:
|
|
txn (cursor)
|
|
local_mxcs: A list of local mxc URLs
|
|
remote_mxcs: A list of (remote server, media id) tuples representing
|
|
remote mxc URLs
|
|
quarantined_by: The ID of the user who initiated the quarantine request
|
|
If it is `None` media will be removed from quarantine
|
|
Returns:
|
|
The total number of media items quarantined
|
|
"""
|
|
|
|
# Update all the tables to set the quarantined_by flag
|
|
sql = """
|
|
UPDATE local_media_repository
|
|
SET quarantined_by = ?
|
|
WHERE media_id = ?
|
|
"""
|
|
|
|
# set quarantine
|
|
if quarantined_by is not None:
|
|
sql += "AND safe_from_quarantine = ?"
|
|
rows = [(quarantined_by, media_id, False) for media_id in local_mxcs]
|
|
# remove from quarantine
|
|
else:
|
|
rows = [(quarantined_by, media_id) for media_id in local_mxcs]
|
|
|
|
txn.executemany(sql, rows)
|
|
# Note that a rowcount of -1 can be used to indicate no rows were affected.
|
|
total_media_quarantined = txn.rowcount if txn.rowcount > 0 else 0
|
|
|
|
txn.executemany(
|
|
"""
|
|
UPDATE remote_media_cache
|
|
SET quarantined_by = ?
|
|
WHERE media_origin = ? AND media_id = ?
|
|
""",
|
|
((quarantined_by, origin, media_id) for origin, media_id in remote_mxcs),
|
|
)
|
|
total_media_quarantined += txn.rowcount if txn.rowcount > 0 else 0
|
|
|
|
return total_media_quarantined
|
|
|
|
async def get_rooms_for_retention_period_in_range(
|
|
self, min_ms: Optional[int], max_ms: Optional[int], include_null: bool = False
|
|
) -> Dict[str, dict]:
|
|
"""Retrieves all of the rooms within the given retention range.
|
|
|
|
Optionally includes the rooms which don't have a retention policy.
|
|
|
|
Args:
|
|
min_ms: Duration in milliseconds that define the lower limit of
|
|
the range to handle (exclusive). If None, doesn't set a lower limit.
|
|
max_ms: Duration in milliseconds that define the upper limit of
|
|
the range to handle (inclusive). If None, doesn't set an upper limit.
|
|
include_null: Whether to include rooms which retention policy is NULL
|
|
in the returned set.
|
|
|
|
Returns:
|
|
The rooms within this range, along with their retention
|
|
policy. The key is "room_id", and maps to a dict describing the retention
|
|
policy associated with this room ID. The keys for this nested dict are
|
|
"min_lifetime" (int|None), and "max_lifetime" (int|None).
|
|
"""
|
|
|
|
def get_rooms_for_retention_period_in_range_txn(txn):
|
|
range_conditions = []
|
|
args = []
|
|
|
|
if min_ms is not None:
|
|
range_conditions.append("max_lifetime > ?")
|
|
args.append(min_ms)
|
|
|
|
if max_ms is not None:
|
|
range_conditions.append("max_lifetime <= ?")
|
|
args.append(max_ms)
|
|
|
|
# Do a first query which will retrieve the rooms that have a retention policy
|
|
# in their current state.
|
|
sql = """
|
|
SELECT room_id, min_lifetime, max_lifetime FROM room_retention
|
|
INNER JOIN current_state_events USING (event_id, room_id)
|
|
"""
|
|
|
|
if len(range_conditions):
|
|
sql += " WHERE (" + " AND ".join(range_conditions) + ")"
|
|
|
|
if include_null:
|
|
sql += " OR max_lifetime IS NULL"
|
|
|
|
txn.execute(sql, args)
|
|
|
|
rows = self.db_pool.cursor_to_dict(txn)
|
|
rooms_dict = {}
|
|
|
|
for row in rows:
|
|
rooms_dict[row["room_id"]] = {
|
|
"min_lifetime": row["min_lifetime"],
|
|
"max_lifetime": row["max_lifetime"],
|
|
}
|
|
|
|
if include_null:
|
|
# If required, do a second query that retrieves all of the rooms we know
|
|
# of so we can handle rooms with no retention policy.
|
|
sql = "SELECT DISTINCT room_id FROM current_state_events"
|
|
|
|
txn.execute(sql)
|
|
|
|
rows = self.db_pool.cursor_to_dict(txn)
|
|
|
|
# If a room isn't already in the dict (i.e. it doesn't have a retention
|
|
# policy in its state), add it with a null policy.
|
|
for row in rows:
|
|
if row["room_id"] not in rooms_dict:
|
|
rooms_dict[row["room_id"]] = {
|
|
"min_lifetime": None,
|
|
"max_lifetime": None,
|
|
}
|
|
|
|
return rooms_dict
|
|
|
|
return await self.db_pool.runInteraction(
|
|
"get_rooms_for_retention_period_in_range",
|
|
get_rooms_for_retention_period_in_range_txn,
|
|
)
|
|
|
|
|
|
class _BackgroundUpdates:
|
|
REMOVE_TOMESTONED_ROOMS_BG_UPDATE = "remove_tombstoned_rooms_from_directory"
|
|
ADD_ROOMS_ROOM_VERSION_COLUMN = "add_rooms_room_version_column"
|
|
POPULATE_ROOM_DEPTH_MIN_DEPTH2 = "populate_room_depth_min_depth2"
|
|
REPLACE_ROOM_DEPTH_MIN_DEPTH = "replace_room_depth_min_depth"
|
|
POPULATE_ROOMS_CREATOR_COLUMN = "populate_rooms_creator_column"
|
|
|
|
|
|
_REPLACE_ROOM_DEPTH_SQL_COMMANDS = (
|
|
"DROP TRIGGER populate_min_depth2_trigger ON room_depth",
|
|
"DROP FUNCTION populate_min_depth2()",
|
|
"ALTER TABLE room_depth DROP COLUMN min_depth",
|
|
"ALTER TABLE room_depth RENAME COLUMN min_depth2 TO min_depth",
|
|
)
|
|
|
|
|
|
class RoomBackgroundUpdateStore(SQLBaseStore):
|
|
def __init__(self, database: DatabasePool, db_conn, hs: "HomeServer"):
|
|
super().__init__(database, db_conn, hs)
|
|
|
|
self.config = hs.config
|
|
|
|
self.db_pool.updates.register_background_update_handler(
|
|
"insert_room_retention",
|
|
self._background_insert_retention,
|
|
)
|
|
|
|
self.db_pool.updates.register_background_update_handler(
|
|
_BackgroundUpdates.REMOVE_TOMESTONED_ROOMS_BG_UPDATE,
|
|
self._remove_tombstoned_rooms_from_directory,
|
|
)
|
|
|
|
self.db_pool.updates.register_background_update_handler(
|
|
_BackgroundUpdates.ADD_ROOMS_ROOM_VERSION_COLUMN,
|
|
self._background_add_rooms_room_version_column,
|
|
)
|
|
|
|
# BG updates to change the type of room_depth.min_depth
|
|
self.db_pool.updates.register_background_update_handler(
|
|
_BackgroundUpdates.POPULATE_ROOM_DEPTH_MIN_DEPTH2,
|
|
self._background_populate_room_depth_min_depth2,
|
|
)
|
|
self.db_pool.updates.register_background_update_handler(
|
|
_BackgroundUpdates.REPLACE_ROOM_DEPTH_MIN_DEPTH,
|
|
self._background_replace_room_depth_min_depth,
|
|
)
|
|
|
|
self.db_pool.updates.register_background_update_handler(
|
|
_BackgroundUpdates.POPULATE_ROOMS_CREATOR_COLUMN,
|
|
self._background_populate_rooms_creator_column,
|
|
)
|
|
|
|
async def _background_insert_retention(self, progress, batch_size):
|
|
"""Retrieves a list of all rooms within a range and inserts an entry for each of
|
|
them into the room_retention table.
|
|
NULLs the property's columns if missing from the retention event in the room's
|
|
state (or NULLs all of them if there's no retention event in the room's state),
|
|
so that we fall back to the server's retention policy.
|
|
"""
|
|
|
|
last_room = progress.get("room_id", "")
|
|
|
|
def _background_insert_retention_txn(txn):
|
|
txn.execute(
|
|
"""
|
|
SELECT state.room_id, state.event_id, events.json
|
|
FROM current_state_events as state
|
|
LEFT JOIN event_json AS events ON (state.event_id = events.event_id)
|
|
WHERE state.room_id > ? AND state.type = '%s'
|
|
ORDER BY state.room_id ASC
|
|
LIMIT ?;
|
|
"""
|
|
% EventTypes.Retention,
|
|
(last_room, batch_size),
|
|
)
|
|
|
|
rows = self.db_pool.cursor_to_dict(txn)
|
|
|
|
if not rows:
|
|
return True
|
|
|
|
for row in rows:
|
|
if not row["json"]:
|
|
retention_policy = {}
|
|
else:
|
|
ev = db_to_json(row["json"])
|
|
retention_policy = ev["content"]
|
|
|
|
self.db_pool.simple_insert_txn(
|
|
txn=txn,
|
|
table="room_retention",
|
|
values={
|
|
"room_id": row["room_id"],
|
|
"event_id": row["event_id"],
|
|
"min_lifetime": retention_policy.get("min_lifetime"),
|
|
"max_lifetime": retention_policy.get("max_lifetime"),
|
|
},
|
|
)
|
|
|
|
logger.info("Inserted %d rows into room_retention", len(rows))
|
|
|
|
self.db_pool.updates._background_update_progress_txn(
|
|
txn, "insert_room_retention", {"room_id": rows[-1]["room_id"]}
|
|
)
|
|
|
|
if batch_size > len(rows):
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
end = await self.db_pool.runInteraction(
|
|
"insert_room_retention",
|
|
_background_insert_retention_txn,
|
|
)
|
|
|
|
if end:
|
|
await self.db_pool.updates._end_background_update("insert_room_retention")
|
|
|
|
return batch_size
|
|
|
|
async def _background_add_rooms_room_version_column(
|
|
self, progress: dict, batch_size: int
|
|
):
|
|
"""Background update to go and add room version information to `rooms`
|
|
table from `current_state_events` table.
|
|
"""
|
|
|
|
last_room_id = progress.get("room_id", "")
|
|
|
|
def _background_add_rooms_room_version_column_txn(txn: LoggingTransaction):
|
|
sql = """
|
|
SELECT room_id, json FROM current_state_events
|
|
INNER JOIN event_json USING (room_id, event_id)
|
|
WHERE room_id > ? AND type = 'm.room.create' AND state_key = ''
|
|
ORDER BY room_id
|
|
LIMIT ?
|
|
"""
|
|
|
|
txn.execute(sql, (last_room_id, batch_size))
|
|
|
|
updates = []
|
|
for room_id, event_json in txn:
|
|
event_dict = db_to_json(event_json)
|
|
room_version_id = event_dict.get("content", {}).get(
|
|
"room_version", RoomVersions.V1.identifier
|
|
)
|
|
|
|
creator = event_dict.get("content").get("creator")
|
|
|
|
updates.append((room_id, creator, room_version_id))
|
|
|
|
if not updates:
|
|
return True
|
|
|
|
new_last_room_id = ""
|
|
for room_id, creator, room_version_id in updates:
|
|
# We upsert here just in case we don't already have a row,
|
|
# mainly for paranoia as much badness would happen if we don't
|
|
# insert the row and then try and get the room version for the
|
|
# room.
|
|
self.db_pool.simple_upsert_txn(
|
|
txn,
|
|
table="rooms",
|
|
keyvalues={"room_id": room_id},
|
|
values={"room_version": room_version_id},
|
|
insertion_values={"is_public": False, "creator": creator},
|
|
)
|
|
new_last_room_id = room_id
|
|
|
|
self.db_pool.updates._background_update_progress_txn(
|
|
txn,
|
|
_BackgroundUpdates.ADD_ROOMS_ROOM_VERSION_COLUMN,
|
|
{"room_id": new_last_room_id},
|
|
)
|
|
|
|
return False
|
|
|
|
end = await self.db_pool.runInteraction(
|
|
"_background_add_rooms_room_version_column",
|
|
_background_add_rooms_room_version_column_txn,
|
|
)
|
|
|
|
if end:
|
|
await self.db_pool.updates._end_background_update(
|
|
_BackgroundUpdates.ADD_ROOMS_ROOM_VERSION_COLUMN
|
|
)
|
|
|
|
return batch_size
|
|
|
|
async def _remove_tombstoned_rooms_from_directory(
|
|
self, progress, batch_size
|
|
) -> int:
|
|
"""Removes any rooms with tombstone events from the room directory
|
|
|
|
Nowadays this is handled by the room upgrade handler, but we may have some
|
|
that got left behind
|
|
"""
|
|
|
|
last_room = progress.get("room_id", "")
|
|
|
|
def _get_rooms(txn):
|
|
txn.execute(
|
|
"""
|
|
SELECT room_id
|
|
FROM rooms r
|
|
INNER JOIN current_state_events cse USING (room_id)
|
|
WHERE room_id > ? AND r.is_public
|
|
AND cse.type = '%s' AND cse.state_key = ''
|
|
ORDER BY room_id ASC
|
|
LIMIT ?;
|
|
"""
|
|
% EventTypes.Tombstone,
|
|
(last_room, batch_size),
|
|
)
|
|
|
|
return [row[0] for row in txn]
|
|
|
|
rooms = await self.db_pool.runInteraction(
|
|
"get_tombstoned_directory_rooms", _get_rooms
|
|
)
|
|
|
|
if not rooms:
|
|
await self.db_pool.updates._end_background_update(
|
|
_BackgroundUpdates.REMOVE_TOMESTONED_ROOMS_BG_UPDATE
|
|
)
|
|
return 0
|
|
|
|
for room_id in rooms:
|
|
logger.info("Removing tombstoned room %s from the directory", room_id)
|
|
await self.set_room_is_public(room_id, False)
|
|
|
|
await self.db_pool.updates._background_update_progress(
|
|
_BackgroundUpdates.REMOVE_TOMESTONED_ROOMS_BG_UPDATE, {"room_id": rooms[-1]}
|
|
)
|
|
|
|
return len(rooms)
|
|
|
|
@abstractmethod
|
|
def set_room_is_public(self, room_id, is_public):
|
|
# this will need to be implemented if a background update is performed with
|
|
# existing (tombstoned, public) rooms in the database.
|
|
#
|
|
# It's overridden by RoomStore for the synapse master.
|
|
raise NotImplementedError()
|
|
|
|
async def has_auth_chain_index(self, room_id: str) -> bool:
|
|
"""Check if the room has (or can have) a chain cover index.
|
|
|
|
Defaults to True if we don't have an entry in `rooms` table nor any
|
|
events for the room.
|
|
"""
|
|
|
|
has_auth_chain_index = await self.db_pool.simple_select_one_onecol(
|
|
table="rooms",
|
|
keyvalues={"room_id": room_id},
|
|
retcol="has_auth_chain_index",
|
|
desc="has_auth_chain_index",
|
|
allow_none=True,
|
|
)
|
|
|
|
if has_auth_chain_index:
|
|
return True
|
|
|
|
# It's possible that we already have events for the room in our DB
|
|
# without a corresponding room entry. If we do then we don't want to
|
|
# mark the room as having an auth chain cover index.
|
|
max_ordering = await self.db_pool.simple_select_one_onecol(
|
|
table="events",
|
|
keyvalues={"room_id": room_id},
|
|
retcol="MAX(stream_ordering)",
|
|
allow_none=True,
|
|
desc="has_auth_chain_index_fallback",
|
|
)
|
|
|
|
return max_ordering is None
|
|
|
|
async def _background_populate_room_depth_min_depth2(
|
|
self, progress: JsonDict, batch_size: int
|
|
) -> int:
|
|
"""Populate room_depth.min_depth2
|
|
|
|
This is to deal with the fact that min_depth was initially created as a
|
|
32-bit integer field.
|
|
"""
|
|
|
|
def process(txn: Cursor) -> int:
|
|
last_room = progress.get("last_room", "")
|
|
txn.execute(
|
|
"""
|
|
UPDATE room_depth SET min_depth2=min_depth
|
|
WHERE room_id IN (
|
|
SELECT room_id FROM room_depth WHERE room_id > ?
|
|
ORDER BY room_id LIMIT ?
|
|
)
|
|
RETURNING room_id;
|
|
""",
|
|
(last_room, batch_size),
|
|
)
|
|
row_count = txn.rowcount
|
|
if row_count == 0:
|
|
return 0
|
|
last_room = max(row[0] for row in txn)
|
|
logger.info("populated room_depth up to %s", last_room)
|
|
|
|
self.db_pool.updates._background_update_progress_txn(
|
|
txn,
|
|
_BackgroundUpdates.POPULATE_ROOM_DEPTH_MIN_DEPTH2,
|
|
{"last_room": last_room},
|
|
)
|
|
return row_count
|
|
|
|
result = await self.db_pool.runInteraction(
|
|
"_background_populate_min_depth2", process
|
|
)
|
|
|
|
if result != 0:
|
|
return result
|
|
|
|
await self.db_pool.updates._end_background_update(
|
|
_BackgroundUpdates.POPULATE_ROOM_DEPTH_MIN_DEPTH2
|
|
)
|
|
return 0
|
|
|
|
async def _background_replace_room_depth_min_depth(
|
|
self, progress: JsonDict, batch_size: int
|
|
) -> int:
|
|
"""Drop the old 'min_depth' column and rename 'min_depth2' into its place."""
|
|
|
|
def process(txn: Cursor) -> None:
|
|
for sql in _REPLACE_ROOM_DEPTH_SQL_COMMANDS:
|
|
logger.info("completing room_depth migration: %s", sql)
|
|
txn.execute(sql)
|
|
|
|
await self.db_pool.runInteraction("_background_replace_room_depth", process)
|
|
|
|
await self.db_pool.updates._end_background_update(
|
|
_BackgroundUpdates.REPLACE_ROOM_DEPTH_MIN_DEPTH,
|
|
)
|
|
|
|
return 0
|
|
|
|
async def _background_populate_rooms_creator_column(
|
|
self, progress: dict, batch_size: int
|
|
):
|
|
"""Background update to go and add creator information to `rooms`
|
|
table from `current_state_events` table.
|
|
"""
|
|
|
|
last_room_id = progress.get("room_id", "")
|
|
|
|
def _background_populate_rooms_creator_column_txn(txn: LoggingTransaction):
|
|
sql = """
|
|
SELECT room_id, json FROM event_json
|
|
INNER JOIN rooms AS room USING (room_id)
|
|
INNER JOIN current_state_events AS state_event USING (room_id, event_id)
|
|
WHERE room_id > ? AND (room.creator IS NULL OR room.creator = '') AND state_event.type = 'm.room.create' AND state_event.state_key = ''
|
|
ORDER BY room_id
|
|
LIMIT ?
|
|
"""
|
|
|
|
txn.execute(sql, (last_room_id, batch_size))
|
|
room_id_to_create_event_results = txn.fetchall()
|
|
|
|
new_last_room_id = ""
|
|
for room_id, event_json in room_id_to_create_event_results:
|
|
event_dict = db_to_json(event_json)
|
|
|
|
creator = event_dict.get("content").get(EventContentFields.ROOM_CREATOR)
|
|
|
|
self.db_pool.simple_update_txn(
|
|
txn,
|
|
table="rooms",
|
|
keyvalues={"room_id": room_id},
|
|
updatevalues={"creator": creator},
|
|
)
|
|
new_last_room_id = room_id
|
|
|
|
if new_last_room_id == "":
|
|
return True
|
|
|
|
self.db_pool.updates._background_update_progress_txn(
|
|
txn,
|
|
_BackgroundUpdates.POPULATE_ROOMS_CREATOR_COLUMN,
|
|
{"room_id": new_last_room_id},
|
|
)
|
|
|
|
return False
|
|
|
|
end = await self.db_pool.runInteraction(
|
|
"_background_populate_rooms_creator_column",
|
|
_background_populate_rooms_creator_column_txn,
|
|
)
|
|
|
|
if end:
|
|
await self.db_pool.updates._end_background_update(
|
|
_BackgroundUpdates.POPULATE_ROOMS_CREATOR_COLUMN
|
|
)
|
|
|
|
return batch_size
|
|
|
|
|
|
class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore):
|
|
def __init__(self, database: DatabasePool, db_conn, hs: "HomeServer"):
|
|
super().__init__(database, db_conn, hs)
|
|
|
|
self.config = hs.config
|
|
|
|
async def upsert_room_on_join(
|
|
self, room_id: str, room_version: RoomVersion, auth_events: List[EventBase]
|
|
):
|
|
"""Ensure that the room is stored in the table
|
|
|
|
Called when we join a room over federation, and overwrites any room version
|
|
currently in the table.
|
|
"""
|
|
# It's possible that we already have events for the room in our DB
|
|
# without a corresponding room entry. If we do then we don't want to
|
|
# mark the room as having an auth chain cover index.
|
|
has_auth_chain_index = await self.has_auth_chain_index(room_id)
|
|
|
|
create_event = None
|
|
for e in auth_events:
|
|
if (e.type, e.state_key) == (EventTypes.Create, ""):
|
|
create_event = e
|
|
break
|
|
|
|
if create_event is None:
|
|
# If the state doesn't have a create event then the room is
|
|
# invalid, and it would fail auth checks anyway.
|
|
raise StoreError(400, "No create event in state")
|
|
|
|
room_creator = create_event.content.get(EventContentFields.ROOM_CREATOR)
|
|
|
|
if not isinstance(room_creator, str):
|
|
# If the create event does not have a creator then the room is
|
|
# invalid, and it would fail auth checks anyway.
|
|
raise StoreError(400, "No creator defined on the create event")
|
|
|
|
await self.db_pool.simple_upsert(
|
|
desc="upsert_room_on_join",
|
|
table="rooms",
|
|
keyvalues={"room_id": room_id},
|
|
values={"room_version": room_version.identifier},
|
|
insertion_values={
|
|
"is_public": False,
|
|
"creator": room_creator,
|
|
"has_auth_chain_index": has_auth_chain_index,
|
|
},
|
|
# rooms has a unique constraint on room_id, so no need to lock when doing an
|
|
# emulated upsert.
|
|
lock=False,
|
|
)
|
|
|
|
async def maybe_store_room_on_outlier_membership(
|
|
self, room_id: str, room_version: RoomVersion
|
|
):
|
|
"""
|
|
When we receive an invite or any other event over federation that may relate to a room
|
|
we are not in, store the version of the room if we don't already know the room version.
|
|
"""
|
|
# It's possible that we already have events for the room in our DB
|
|
# without a corresponding room entry. If we do then we don't want to
|
|
# mark the room as having an auth chain cover index.
|
|
has_auth_chain_index = await self.has_auth_chain_index(room_id)
|
|
|
|
await self.db_pool.simple_upsert(
|
|
desc="maybe_store_room_on_outlier_membership",
|
|
table="rooms",
|
|
keyvalues={"room_id": room_id},
|
|
values={},
|
|
insertion_values={
|
|
"room_version": room_version.identifier,
|
|
"is_public": False,
|
|
# We don't worry about setting the `creator` here because
|
|
# we don't process any messages in a room while a user is
|
|
# invited (only after the join).
|
|
"creator": "",
|
|
"has_auth_chain_index": has_auth_chain_index,
|
|
},
|
|
# rooms has a unique constraint on room_id, so no need to lock when doing an
|
|
# emulated upsert.
|
|
lock=False,
|
|
)
|
|
|
|
async def set_room_is_public(self, room_id: str, is_public: bool) -> None:
|
|
await self.db_pool.simple_update_one(
|
|
table="rooms",
|
|
keyvalues={"room_id": room_id},
|
|
updatevalues={"is_public": is_public},
|
|
desc="set_room_is_public",
|
|
)
|
|
|
|
self.hs.get_notifier().on_new_replication_data()
|
|
|
|
async def set_room_is_public_appservice(
|
|
self, room_id, appservice_id, network_id, is_public
|
|
):
|
|
"""Edit the appservice/network specific public room list.
|
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Each appservice can have a number of published room lists associated
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with them, keyed off of an appservice defined `network_id`, which
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basically represents a single instance of a bridge to a third party
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network.
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Args:
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room_id (str)
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appservice_id (str)
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network_id (str)
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is_public (bool): Whether to publish or unpublish the room from the
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list.
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"""
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if is_public:
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await self.db_pool.simple_upsert(
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table="appservice_room_list",
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keyvalues={
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"appservice_id": appservice_id,
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"network_id": network_id,
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"room_id": room_id,
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},
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values={},
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insertion_values={
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"appservice_id": appservice_id,
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"network_id": network_id,
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"room_id": room_id,
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},
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desc="set_room_is_public_appservice_true",
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)
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else:
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await self.db_pool.simple_delete(
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table="appservice_room_list",
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keyvalues={
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"appservice_id": appservice_id,
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"network_id": network_id,
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"room_id": room_id,
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},
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desc="set_room_is_public_appservice_false",
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)
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self.hs.get_notifier().on_new_replication_data()
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async def add_event_report(
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self,
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room_id: str,
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event_id: str,
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user_id: str,
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reason: Optional[str],
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content: JsonDict,
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received_ts: int,
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) -> None:
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next_id = self._event_reports_id_gen.get_next()
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await self.db_pool.simple_insert(
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table="event_reports",
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values={
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"id": next_id,
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"received_ts": received_ts,
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"room_id": room_id,
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"event_id": event_id,
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"user_id": user_id,
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"reason": reason,
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"content": json_encoder.encode(content),
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},
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desc="add_event_report",
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)
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async def get_event_report(self, report_id: int) -> Optional[Dict[str, Any]]:
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"""Retrieve an event report
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Args:
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report_id: ID of reported event in database
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Returns:
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event_report: json list of information from event report
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"""
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def _get_event_report_txn(txn, report_id):
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sql = """
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SELECT
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er.id,
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er.received_ts,
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er.room_id,
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er.event_id,
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er.user_id,
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er.content,
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events.sender,
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room_stats_state.canonical_alias,
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room_stats_state.name,
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event_json.json AS event_json
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FROM event_reports AS er
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LEFT JOIN events
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ON events.event_id = er.event_id
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JOIN event_json
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ON event_json.event_id = er.event_id
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JOIN room_stats_state
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ON room_stats_state.room_id = er.room_id
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WHERE er.id = ?
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"""
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txn.execute(sql, [report_id])
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row = txn.fetchone()
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if not row:
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return None
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event_report = {
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"id": row[0],
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"received_ts": row[1],
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"room_id": row[2],
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"event_id": row[3],
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"user_id": row[4],
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"score": db_to_json(row[5]).get("score"),
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"reason": db_to_json(row[5]).get("reason"),
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"sender": row[6],
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"canonical_alias": row[7],
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"name": row[8],
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"event_json": db_to_json(row[9]),
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}
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return event_report
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return await self.db_pool.runInteraction(
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"get_event_report", _get_event_report_txn, report_id
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)
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async def get_event_reports_paginate(
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self,
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start: int,
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limit: int,
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direction: str = "b",
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user_id: Optional[str] = None,
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room_id: Optional[str] = None,
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) -> Tuple[List[Dict[str, Any]], int]:
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"""Retrieve a paginated list of event reports
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Args:
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start: event offset to begin the query from
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limit: number of rows to retrieve
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direction: Whether to fetch the most recent first (`"b"`) or the
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oldest first (`"f"`)
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user_id: search for user_id. Ignored if user_id is None
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room_id: search for room_id. Ignored if room_id is None
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Returns:
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event_reports: json list of event reports
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count: total number of event reports matching the filter criteria
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"""
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def _get_event_reports_paginate_txn(txn):
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filters = []
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args = []
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if user_id:
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filters.append("er.user_id LIKE ?")
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args.extend(["%" + user_id + "%"])
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if room_id:
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filters.append("er.room_id LIKE ?")
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args.extend(["%" + room_id + "%"])
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if direction == "b":
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order = "DESC"
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else:
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order = "ASC"
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where_clause = "WHERE " + " AND ".join(filters) if len(filters) > 0 else ""
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sql = """
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SELECT COUNT(*) as total_event_reports
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FROM event_reports AS er
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{}
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""".format(
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where_clause
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)
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txn.execute(sql, args)
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count = txn.fetchone()[0]
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sql = """
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SELECT
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er.id,
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er.received_ts,
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er.room_id,
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er.event_id,
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er.user_id,
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er.content,
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events.sender,
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room_stats_state.canonical_alias,
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room_stats_state.name
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FROM event_reports AS er
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LEFT JOIN events
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ON events.event_id = er.event_id
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JOIN room_stats_state
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ON room_stats_state.room_id = er.room_id
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{where_clause}
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ORDER BY er.received_ts {order}
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LIMIT ?
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OFFSET ?
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""".format(
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where_clause=where_clause,
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order=order,
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)
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args += [limit, start]
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txn.execute(sql, args)
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event_reports = []
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for row in txn:
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try:
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s = db_to_json(row[5]).get("score")
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r = db_to_json(row[5]).get("reason")
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except Exception:
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logger.error("Unable to parse json from event_reports: %s", row[0])
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continue
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event_reports.append(
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{
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"id": row[0],
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"received_ts": row[1],
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"room_id": row[2],
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"event_id": row[3],
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"user_id": row[4],
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"score": s,
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"reason": r,
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"sender": row[6],
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"canonical_alias": row[7],
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"name": row[8],
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}
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)
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return event_reports, count
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return await self.db_pool.runInteraction(
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"get_event_reports_paginate", _get_event_reports_paginate_txn
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)
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async def block_room(self, room_id: str, user_id: str) -> None:
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"""Marks the room as blocked.
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Can be called multiple times (though we'll only track the last user to
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block this room).
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Can be called on a room unknown to this homeserver.
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Args:
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room_id: Room to block
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user_id: Who blocked it
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"""
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await self.db_pool.simple_upsert(
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table="blocked_rooms",
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keyvalues={"room_id": room_id},
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values={},
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insertion_values={"user_id": user_id},
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desc="block_room",
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)
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await self.db_pool.runInteraction(
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"block_room_invalidation",
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self._invalidate_cache_and_stream,
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self.is_room_blocked,
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(room_id,),
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)
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async def unblock_room(self, room_id: str) -> None:
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"""Remove the room from blocking list.
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Args:
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room_id: Room to unblock
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"""
|
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await self.db_pool.simple_delete(
|
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table="blocked_rooms",
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keyvalues={"room_id": room_id},
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desc="unblock_room",
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)
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await self.db_pool.runInteraction(
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"block_room_invalidation",
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self._invalidate_cache_and_stream,
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self.is_room_blocked,
|
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(room_id,),
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)
|