mirror of
https://git.anonymousland.org/anonymousland/synapse.git
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351 lines
12 KiB
Python
351 lines
12 KiB
Python
# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2018 New Vector Ltd
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# Copyright 2019-2021 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 logging
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from typing import TYPE_CHECKING, List, Optional, Tuple, cast
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from synapse.config.homeserver import HomeServerConfig
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from synapse.storage.database import (
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DatabasePool,
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LoggingDatabaseConnection,
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LoggingTransaction,
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)
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from synapse.storage.databases.main.stats import UserSortOrder
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from synapse.storage.engines import BaseDatabaseEngine, PostgresEngine
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from synapse.storage.types import Cursor
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from synapse.storage.util.id_generators import MultiWriterIdGenerator, StreamIdGenerator
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from synapse.types import JsonDict, get_domain_from_id
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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from .account_data import AccountDataStore
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from .appservice import ApplicationServiceStore, ApplicationServiceTransactionStore
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from .cache import CacheInvalidationWorkerStore
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from .censor_events import CensorEventsStore
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from .client_ips import ClientIpWorkerStore
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from .deviceinbox import DeviceInboxStore
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from .devices import DeviceStore
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from .directory import DirectoryStore
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from .e2e_room_keys import EndToEndRoomKeyStore
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from .end_to_end_keys import EndToEndKeyStore
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from .event_federation import EventFederationStore
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from .event_push_actions import EventPushActionsStore
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from .events_bg_updates import EventsBackgroundUpdatesStore
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from .events_forward_extremities import EventForwardExtremitiesStore
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from .filtering import FilteringStore
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from .keys import KeyStore
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from .lock import LockStore
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from .media_repository import MediaRepositoryStore
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from .metrics import ServerMetricsStore
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from .monthly_active_users import MonthlyActiveUsersWorkerStore
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from .openid import OpenIdStore
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from .presence import PresenceStore
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from .profile import ProfileStore
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from .purge_events import PurgeEventsStore
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from .push_rule import PushRuleStore
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from .pusher import PusherStore
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from .receipts import ReceiptsStore
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from .registration import RegistrationStore
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from .rejections import RejectionsStore
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from .relations import RelationsStore
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from .room import RoomStore
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from .room_batch import RoomBatchStore
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from .roommember import RoomMemberStore
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from .search import SearchStore
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from .session import SessionStore
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from .signatures import SignatureStore
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from .state import StateStore
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from .stats import StatsStore
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from .stream import StreamWorkerStore
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from .tags import TagsStore
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from .transactions import TransactionWorkerStore
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from .ui_auth import UIAuthStore
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from .user_directory import UserDirectoryStore
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from .user_erasure_store import UserErasureStore
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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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class DataStore(
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EventsBackgroundUpdatesStore,
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RoomMemberStore,
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RoomStore,
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RoomBatchStore,
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RegistrationStore,
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StreamWorkerStore,
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ProfileStore,
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PresenceStore,
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TransactionWorkerStore,
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DirectoryStore,
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KeyStore,
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StateStore,
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SignatureStore,
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ApplicationServiceStore,
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PurgeEventsStore,
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EventFederationStore,
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MediaRepositoryStore,
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RejectionsStore,
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FilteringStore,
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PusherStore,
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PushRuleStore,
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ApplicationServiceTransactionStore,
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EventPushActionsStore,
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ServerMetricsStore,
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ReceiptsStore,
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EndToEndKeyStore,
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EndToEndRoomKeyStore,
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SearchStore,
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TagsStore,
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AccountDataStore,
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OpenIdStore,
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ClientIpWorkerStore,
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DeviceStore,
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DeviceInboxStore,
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UserDirectoryStore,
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UserErasureStore,
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MonthlyActiveUsersWorkerStore,
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StatsStore,
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RelationsStore,
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CensorEventsStore,
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UIAuthStore,
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EventForwardExtremitiesStore,
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CacheInvalidationWorkerStore,
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LockStore,
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SessionStore,
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):
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def __init__(
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self,
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database: DatabasePool,
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db_conn: LoggingDatabaseConnection,
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hs: "HomeServer",
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):
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self.hs = hs
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self._clock = hs.get_clock()
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self.database_engine = database.engine
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self._device_list_id_gen = StreamIdGenerator(
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db_conn,
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"device_lists_stream",
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"stream_id",
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extra_tables=[
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("user_signature_stream", "stream_id"),
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("device_lists_outbound_pokes", "stream_id"),
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("device_lists_changes_in_room", "stream_id"),
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],
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)
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self._cache_id_gen: Optional[MultiWriterIdGenerator]
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if isinstance(self.database_engine, PostgresEngine):
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# We set the `writers` to an empty list here as we don't care about
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# missing updates over restarts, as we'll not have anything in our
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# caches to invalidate. (This reduces the amount of writes to the DB
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# that happen).
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self._cache_id_gen = MultiWriterIdGenerator(
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db_conn,
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database,
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stream_name="caches",
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instance_name=hs.get_instance_name(),
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tables=[
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(
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"cache_invalidation_stream_by_instance",
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"instance_name",
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"stream_id",
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)
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],
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sequence_name="cache_invalidation_stream_seq",
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writers=[],
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)
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else:
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self._cache_id_gen = None
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super().__init__(database, db_conn, hs)
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events_max = self._stream_id_gen.get_current_token()
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curr_state_delta_prefill, min_curr_state_delta_id = self.db_pool.get_cache_dict(
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db_conn,
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"current_state_delta_stream",
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entity_column="room_id",
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stream_column="stream_id",
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max_value=events_max, # As we share the stream id with events token
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limit=1000,
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)
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self._curr_state_delta_stream_cache = StreamChangeCache(
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"_curr_state_delta_stream_cache",
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min_curr_state_delta_id,
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prefilled_cache=curr_state_delta_prefill,
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)
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self._stream_order_on_start = self.get_room_max_stream_ordering()
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self._min_stream_order_on_start = self.get_room_min_stream_ordering()
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def get_device_stream_token(self) -> int:
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# TODO: shouldn't this be moved to `DeviceWorkerStore`?
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return self._device_list_id_gen.get_current_token()
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async def get_users(self) -> List[JsonDict]:
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"""Function to retrieve a list of users in users table.
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Returns:
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A list of dictionaries representing users.
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"""
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return await self.db_pool.simple_select_list(
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table="users",
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keyvalues={},
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retcols=[
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"name",
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"password_hash",
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"is_guest",
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"admin",
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"user_type",
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"deactivated",
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],
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desc="get_users",
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)
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async def get_users_paginate(
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self,
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start: int,
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limit: int,
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user_id: Optional[str] = None,
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name: Optional[str] = None,
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guests: bool = True,
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deactivated: bool = False,
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order_by: str = UserSortOrder.USER_ID.value,
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direction: str = "f",
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) -> Tuple[List[JsonDict], int]:
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"""Function to retrieve a paginated list of users from
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users list. This will return a json list of users and the
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total number of users matching the filter criteria.
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Args:
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start: start number to begin the query from
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limit: number of rows to retrieve
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user_id: search for user_id. ignored if name is not None
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name: search for local part of user_id or display name
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guests: whether to in include guest users
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deactivated: whether to include deactivated users
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order_by: the sort order of the returned list
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direction: sort ascending or descending
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Returns:
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A tuple of a list of mappings from user to information and a count of total users.
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"""
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def get_users_paginate_txn(
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txn: LoggingTransaction,
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) -> Tuple[List[JsonDict], int]:
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filters = []
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args = [self.hs.config.server.server_name]
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# Set ordering
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order_by_column = UserSortOrder(order_by).value
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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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# `name` is in database already in lower case
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if name:
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filters.append("(name LIKE ? OR LOWER(displayname) LIKE ?)")
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args.extend(["@%" + name.lower() + "%:%", "%" + name.lower() + "%"])
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elif user_id:
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filters.append("name LIKE ?")
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args.extend(["%" + user_id.lower() + "%"])
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if not guests:
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filters.append("is_guest = 0")
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if not deactivated:
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filters.append("deactivated = 0")
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where_clause = "WHERE " + " AND ".join(filters) if len(filters) > 0 else ""
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sql_base = f"""
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FROM users as u
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LEFT JOIN profiles AS p ON u.name = '@' || p.user_id || ':' || ?
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{where_clause}
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"""
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sql = "SELECT COUNT(*) as total_users " + sql_base
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txn.execute(sql, args)
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count = cast(Tuple[int], txn.fetchone())[0]
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sql = f"""
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SELECT name, user_type, is_guest, admin, deactivated, shadow_banned,
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displayname, avatar_url, creation_ts * 1000 as creation_ts
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{sql_base}
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ORDER BY {order_by_column} {order}, u.name ASC
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LIMIT ? OFFSET ?
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"""
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args += [limit, start]
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txn.execute(sql, args)
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users = self.db_pool.cursor_to_dict(txn)
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return users, count
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return await self.db_pool.runInteraction(
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"get_users_paginate_txn", get_users_paginate_txn
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)
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async def search_users(self, term: str) -> Optional[List[JsonDict]]:
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"""Function to search users list for one or more users with
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the matched term.
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Args:
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term: search term
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Returns:
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A list of dictionaries or None.
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"""
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return await self.db_pool.simple_search_list(
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table="users",
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term=term,
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col="name",
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retcols=["name", "password_hash", "is_guest", "admin", "user_type"],
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desc="search_users",
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)
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def check_database_before_upgrade(
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cur: Cursor, database_engine: BaseDatabaseEngine, config: HomeServerConfig
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) -> None:
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"""Called before upgrading an existing database to check that it is broadly sane
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compared with the configuration.
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"""
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logger.info("Checking database for consistency with configuration...")
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# if there are any users in the database, check that the username matches our
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# configured server name.
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cur.execute("SELECT name FROM users LIMIT 1")
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rows = cur.fetchall()
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if not rows:
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return
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user_domain = get_domain_from_id(rows[0][0])
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if user_domain == config.server.server_name:
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return
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raise Exception(
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"Found users in database not native to %s!\n"
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"You cannot change a synapse server_name after it's been configured"
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% (config.server.server_name,)
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)
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__all__ = ["DataStore", "check_database_before_upgrade"]
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