686 lines
23 KiB
Python
686 lines
23 KiB
Python
# -*- coding: utf-8 -*-
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# 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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import re
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from typing import Optional, Tuple
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from canonicaljson import json
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from twisted.internet import defer
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from synapse.api.errors import StoreError
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from synapse.storage._base import SQLBaseStore
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from synapse.storage.data_stores.main.search import SearchStore
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from synapse.types import ThirdPartyInstanceID
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from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
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logger = logging.getLogger(__name__)
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OpsLevel = collections.namedtuple(
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"OpsLevel", ("ban_level", "kick_level", "redact_level")
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)
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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 RoomWorkerStore(SQLBaseStore):
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def get_room(self, room_id):
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"""Retrieve a room.
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Args:
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room_id (str): 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 self._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"),
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desc="get_room",
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allow_none=True,
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)
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def get_public_room_ids(self):
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return self._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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def count_public_rooms(self, network_tuple, ignore_non_federatable):
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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 (ThirdPartyInstanceID|None)
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ignore_non_federatable (bool): 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 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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}
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txn.execute(sql, query_args)
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return txn.fetchone()[0]
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return self.runInteraction("count_public_rooms", _count_public_rooms_txn)
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@defer.inlineCallbacks
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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, joined_members, guest_access
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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 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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}
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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.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 = yield self.runInteraction(
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"get_largest_public_rooms", _get_largest_public_rooms_txn
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)
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defer.returnValue(ret_val)
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@cached(max_entries=10000)
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def is_room_blocked(self, room_id):
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return self._simple_select_one_onecol(
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table="blocked_rooms",
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keyvalues={"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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@cachedInlineCallbacks(max_entries=10000)
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def get_ratelimit_for_user(self, user_id):
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"""Check if there are any overrides for ratelimiting for the given
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user
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Args:
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user_id (str)
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Returns:
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RatelimitOverride if there is an override, else None. If the contents
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of RatelimitOverride are None or 0 then ratelimitng has been
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disabled for that user entirely.
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"""
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row = yield self._simple_select_one(
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table="ratelimit_override",
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keyvalues={"user_id": user_id},
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retcols=("messages_per_second", "burst_count"),
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allow_none=True,
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desc="get_ratelimit_for_user",
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)
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if row:
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return RatelimitOverride(
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messages_per_second=row["messages_per_second"],
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burst_count=row["burst_count"],
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)
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else:
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return None
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class RoomStore(RoomWorkerStore, SearchStore):
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@defer.inlineCallbacks
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def store_room(self, room_id, room_creator_user_id, is_public):
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"""Stores a room.
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Args:
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room_id (str): The desired room ID, can be None.
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room_creator_user_id (str): The user ID of the room creator.
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is_public (bool): True to indicate that this room should appear in
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public room lists.
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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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def store_room_txn(txn, next_id):
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self._simple_insert_txn(
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txn,
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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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},
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)
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if is_public:
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self._simple_insert_txn(
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txn,
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table="public_room_list_stream",
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values={
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"stream_id": next_id,
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"room_id": room_id,
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"visibility": is_public,
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},
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)
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with self._public_room_id_gen.get_next() as next_id:
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yield self.runInteraction("store_room_txn", store_room_txn, next_id)
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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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@defer.inlineCallbacks
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def set_room_is_public(self, room_id, is_public):
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def set_room_is_public_txn(txn, next_id):
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self._simple_update_one_txn(
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txn,
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table="rooms",
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keyvalues={"room_id": room_id},
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updatevalues={"is_public": is_public},
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)
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entries = self._simple_select_list_txn(
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txn,
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table="public_room_list_stream",
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keyvalues={
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"room_id": room_id,
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"appservice_id": None,
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"network_id": None,
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},
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retcols=("stream_id", "visibility"),
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)
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entries.sort(key=lambda r: r["stream_id"])
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add_to_stream = True
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if entries:
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add_to_stream = bool(entries[-1]["visibility"]) != is_public
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if add_to_stream:
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self._simple_insert_txn(
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txn,
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table="public_room_list_stream",
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values={
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"stream_id": next_id,
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"room_id": room_id,
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"visibility": is_public,
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"appservice_id": None,
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"network_id": None,
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},
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)
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with self._public_room_id_gen.get_next() as next_id:
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yield self.runInteraction(
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"set_room_is_public", set_room_is_public_txn, next_id
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)
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self.hs.get_notifier().on_new_replication_data()
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@defer.inlineCallbacks
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def set_room_is_public_appservice(
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self, room_id, appservice_id, network_id, is_public
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):
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"""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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def set_room_is_public_appservice_txn(txn, next_id):
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if is_public:
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try:
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self._simple_insert_txn(
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txn,
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table="appservice_room_list",
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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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)
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except self.database_engine.module.IntegrityError:
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# We've already inserted, nothing to do.
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return
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else:
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self._simple_delete_txn(
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txn,
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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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)
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entries = self._simple_select_list_txn(
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txn,
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table="public_room_list_stream",
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keyvalues={
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"room_id": room_id,
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"appservice_id": appservice_id,
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"network_id": network_id,
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},
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retcols=("stream_id", "visibility"),
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)
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entries.sort(key=lambda r: r["stream_id"])
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add_to_stream = True
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if entries:
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add_to_stream = bool(entries[-1]["visibility"]) != is_public
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if add_to_stream:
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self._simple_insert_txn(
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txn,
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table="public_room_list_stream",
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values={
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"stream_id": next_id,
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"room_id": room_id,
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"visibility": is_public,
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"appservice_id": appservice_id,
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"network_id": network_id,
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},
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)
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with self._public_room_id_gen.get_next() as next_id:
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yield self.runInteraction(
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"set_room_is_public_appservice",
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set_room_is_public_appservice_txn,
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next_id,
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)
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self.hs.get_notifier().on_new_replication_data()
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def get_room_count(self):
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"""Retrieve a list of all rooms
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"""
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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 self.runInteraction("get_rooms", f)
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def _store_room_topic_txn(self, txn, event):
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if hasattr(event, "content") and "topic" in event.content:
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self.store_event_search_txn(
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txn, event, "content.topic", event.content["topic"]
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)
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def _store_room_name_txn(self, txn, event):
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if hasattr(event, "content") and "name" in event.content:
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self.store_event_search_txn(
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txn, event, "content.name", event.content["name"]
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)
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def _store_room_message_txn(self, txn, event):
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if hasattr(event, "content") and "body" in event.content:
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self.store_event_search_txn(
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txn, event, "content.body", event.content["body"]
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)
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def add_event_report(
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self, room_id, event_id, user_id, reason, content, received_ts
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):
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next_id = self._event_reports_id_gen.get_next()
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return self._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.dumps(content),
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},
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desc="add_event_report",
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)
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def get_current_public_room_stream_id(self):
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return self._public_room_id_gen.get_current_token()
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def get_all_new_public_rooms(self, prev_id, current_id, limit):
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def get_all_new_public_rooms(txn):
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sql = """
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SELECT stream_id, room_id, visibility, appservice_id, network_id
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FROM public_room_list_stream
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WHERE stream_id > ? AND stream_id <= ?
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ORDER BY stream_id ASC
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LIMIT ?
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"""
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txn.execute(sql, (prev_id, current_id, limit))
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return txn.fetchall()
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if prev_id == current_id:
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return defer.succeed([])
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return self.runInteraction("get_all_new_public_rooms", get_all_new_public_rooms)
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@defer.inlineCallbacks
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def block_room(self, room_id, user_id):
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"""Marks the room as blocked. Can be called multiple times.
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Args:
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room_id (str): Room to block
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user_id (str): Who blocked it
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Returns:
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Deferred
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"""
|
|
yield self._simple_upsert(
|
|
table="blocked_rooms",
|
|
keyvalues={"room_id": room_id},
|
|
values={},
|
|
insertion_values={"user_id": user_id},
|
|
desc="block_room",
|
|
)
|
|
yield self.runInteraction(
|
|
"block_room_invalidation",
|
|
self._invalidate_cache_and_stream,
|
|
self.is_room_blocked,
|
|
(room_id,),
|
|
)
|
|
|
|
def get_media_mxcs_in_room(self, room_id):
|
|
"""Retrieves all the local and remote media MXC URIs in a given room
|
|
|
|
Args:
|
|
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.
|
|
"""
|
|
|
|
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 self.runInteraction("get_media_ids_in_room", _get_media_mxcs_in_room_txn)
|
|
|
|
def quarantine_media_ids_in_room(self, room_id, quarantined_by):
|
|
"""For a room loops through all events with media and quarantines
|
|
the associated media
|
|
"""
|
|
|
|
def _quarantine_media_in_room_txn(txn):
|
|
local_mxcs, remote_mxcs = self._get_media_mxcs_in_room_txn(txn, room_id)
|
|
total_media_quarantined = 0
|
|
|
|
# Now update all the tables to set the quarantined_by flag
|
|
|
|
txn.executemany(
|
|
"""
|
|
UPDATE local_media_repository
|
|
SET quarantined_by = ?
|
|
WHERE media_id = ?
|
|
""",
|
|
((quarantined_by, media_id) for media_id in local_mxcs),
|
|
)
|
|
|
|
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 += len(local_mxcs)
|
|
total_media_quarantined += len(remote_mxcs)
|
|
|
|
return total_media_quarantined
|
|
|
|
return self.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.
|
|
"""
|
|
mxc_re = re.compile("^mxc://([^/]+)/([^/#?]+)")
|
|
|
|
next_token = self.get_current_events_token() + 1
|
|
local_media_mxcs = []
|
|
remote_media_mxcs = []
|
|
|
|
while next_token:
|
|
sql = """
|
|
SELECT stream_ordering, json FROM events
|
|
JOIN event_json USING (room_id, event_id)
|
|
WHERE room_id = ?
|
|
AND stream_ordering < ?
|
|
AND contains_url = ? AND outlier = ?
|
|
ORDER BY stream_ordering DESC
|
|
LIMIT ?
|
|
"""
|
|
txn.execute(sql, (room_id, next_token, True, False, 100))
|
|
|
|
next_token = None
|
|
for stream_ordering, content_json in txn:
|
|
next_token = stream_ordering
|
|
event_json = json.loads(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_re.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))
|
|
|
|
return local_media_mxcs, remote_media_mxcs
|