476 lines
16 KiB
Python
476 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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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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from twisted.internet import defer
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from synapse.api.errors import StoreError
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from synapse.util.caches.descriptors import cached
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from ._base import SQLBaseStore
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from .engines import PostgresEngine, Sqlite3Engine
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import collections
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import logging
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import ujson as json
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logger = logging.getLogger(__name__)
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OpsLevel = collections.namedtuple(
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"OpsLevel",
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("ban_level", "kick_level", "redact_level",)
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)
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class RoomStore(SQLBaseStore):
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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(
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"store_room_txn",
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store_room_txn, next_id,
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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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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 namedtuple containing the room information, or an empty list.
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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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@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",
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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(self, room_id, appservice_id, network_id,
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is_public):
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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, next_id,
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)
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self.hs.get_notifier().on_new_replication_data()
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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={
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"is_public": True,
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},
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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 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(
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"get_rooms", f
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)
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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._simple_insert_txn(
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txn,
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"topics",
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{
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"event_id": event.event_id,
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"room_id": event.room_id,
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"topic": event.content["topic"],
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},
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)
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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._simple_insert_txn(
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txn,
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"room_names",
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{
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"event_id": event.event_id,
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"room_id": event.room_id,
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"name": event.content["name"],
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}
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)
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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 _store_history_visibility_txn(self, txn, event):
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self._store_content_index_txn(txn, event, "history_visibility")
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def _store_guest_access_txn(self, txn, event):
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self._store_content_index_txn(txn, event, "guest_access")
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def _store_content_index_txn(self, txn, event, key):
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if hasattr(event, "content") and key in event.content:
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sql = (
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"INSERT INTO %(key)s"
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" (event_id, room_id, %(key)s)"
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" VALUES (?, ?, ?)" % {"key": key}
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)
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txn.execute(sql, (
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event.event_id,
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event.room_id,
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event.content[key]
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))
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def _store_event_search_txn(self, txn, event, key, value):
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if isinstance(self.database_engine, PostgresEngine):
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sql = (
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"INSERT INTO event_search"
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" (event_id, room_id, key, vector, stream_ordering, origin_server_ts)"
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" VALUES (?,?,?,to_tsvector('english', ?),?,?)"
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)
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txn.execute(
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sql,
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(
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event.event_id, event.room_id, key, value,
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event.internal_metadata.stream_ordering,
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event.origin_server_ts,
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)
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)
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elif isinstance(self.database_engine, Sqlite3Engine):
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sql = (
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"INSERT INTO event_search (event_id, room_id, key, value)"
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" VALUES (?,?,?,?)"
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)
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txn.execute(sql, (event.event_id, event.room_id, key, value,))
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else:
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# This should be unreachable.
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raise Exception("Unrecognized database engine")
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def add_event_report(self, room_id, event_id, user_id, reason, content,
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received_ts):
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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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@cached(num_args=2, max_entries=100)
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def get_public_room_ids_at_stream_id(self, stream_id, network_tuple):
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"""Get pulbic rooms for a particular list, or across all lists.
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Args:
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stream_id (int)
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network_tuple (ThirdPartyInstanceID): The list to use (None, None)
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means the main list, None means all lsits.
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"""
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return self.runInteraction(
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"get_public_room_ids_at_stream_id",
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self.get_public_room_ids_at_stream_id_txn,
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stream_id, network_tuple=network_tuple
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)
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def get_public_room_ids_at_stream_id_txn(self, txn, stream_id,
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network_tuple):
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return {
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rm
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for rm, vis in self.get_published_at_stream_id_txn(
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txn, stream_id, network_tuple=network_tuple
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).items()
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if vis
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}
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def get_published_at_stream_id_txn(self, txn, stream_id, network_tuple):
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if network_tuple:
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# We want to get from a particular list. No aggregation required.
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sql = ("""
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SELECT room_id, visibility FROM public_room_list_stream
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INNER JOIN (
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SELECT room_id, max(stream_id) AS stream_id
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FROM public_room_list_stream
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WHERE stream_id <= ? %s
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GROUP BY room_id
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) grouped USING (room_id, stream_id)
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""")
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if network_tuple.appservice_id is not None:
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txn.execute(
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sql % ("AND appservice_id = ? AND network_id = ?",),
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(stream_id, network_tuple.appservice_id, network_tuple.network_id,)
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)
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else:
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txn.execute(
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sql % ("AND appservice_id IS NULL",),
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(stream_id,)
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)
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return dict(txn)
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else:
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# We want to get from all lists, so we need to aggregate the results
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logger.info("Executing full list")
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sql = ("""
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SELECT room_id, visibility
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FROM public_room_list_stream
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INNER JOIN (
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SELECT
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room_id, max(stream_id) AS stream_id, appservice_id,
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network_id
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FROM public_room_list_stream
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WHERE stream_id <= ?
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GROUP BY room_id, appservice_id, network_id
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) grouped USING (room_id, stream_id)
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""")
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txn.execute(
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sql,
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(stream_id,)
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)
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results = {}
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# A room is visible if its visible on any list.
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for room_id, visibility in txn:
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results[room_id] = bool(visibility) or results.get(room_id, False)
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return results
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def get_public_room_changes(self, prev_stream_id, new_stream_id,
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network_tuple):
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def get_public_room_changes_txn(txn):
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then_rooms = self.get_public_room_ids_at_stream_id_txn(
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txn, prev_stream_id, network_tuple
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)
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now_rooms_dict = self.get_published_at_stream_id_txn(
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txn, new_stream_id, network_tuple
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)
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now_rooms_visible = set(
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rm for rm, vis in now_rooms_dict.items() if vis
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)
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now_rooms_not_visible = set(
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rm for rm, vis in now_rooms_dict.items() if not vis
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)
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newly_visible = now_rooms_visible - then_rooms
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newly_unpublished = now_rooms_not_visible & then_rooms
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return newly_visible, newly_unpublished
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return self.runInteraction(
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"get_public_room_changes", get_public_room_changes_txn
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)
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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(
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"get_all_new_public_rooms", get_all_new_public_rooms
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)
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