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https://git.anonymousland.org/anonymousland/synapse.git
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65d0386693
This ensures that all other workers are told about stream updates in a timely manner, without having to remember to manually poke replication.
888 lines
32 KiB
Python
888 lines
32 KiB
Python
# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2018 New Vector 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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import logging
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from typing import (
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TYPE_CHECKING,
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Any,
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Dict,
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FrozenSet,
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Iterable,
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List,
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Optional,
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Tuple,
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cast,
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)
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from synapse.api.constants import AccountDataTypes
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from synapse.replication.tcp.streams import AccountDataStream
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from synapse.storage._base import db_to_json
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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.cache import CacheInvalidationWorkerStore
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from synapse.storage.databases.main.push_rule import PushRulesWorkerStore
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from synapse.storage.engines import PostgresEngine
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from synapse.storage.util.id_generators import (
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AbstractStreamIdGenerator,
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AbstractStreamIdTracker,
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MultiWriterIdGenerator,
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StreamIdGenerator,
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)
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from synapse.types import JsonDict
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from synapse.util import json_encoder
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from synapse.util.caches.descriptors import cached
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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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 AccountDataWorkerStore(PushRulesWorkerStore, CacheInvalidationWorkerStore):
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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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super().__init__(database, db_conn, hs)
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# `_can_write_to_account_data` indicates whether the current worker is allowed
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# to write account data. A value of `True` implies that `_account_data_id_gen`
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# is an `AbstractStreamIdGenerator` and not just a tracker.
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self._account_data_id_gen: AbstractStreamIdTracker
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self._can_write_to_account_data = (
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self._instance_name in hs.config.worker.writers.account_data
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)
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if isinstance(database.engine, PostgresEngine):
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self._account_data_id_gen = MultiWriterIdGenerator(
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db_conn=db_conn,
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db=database,
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notifier=hs.get_replication_notifier(),
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stream_name="account_data",
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instance_name=self._instance_name,
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tables=[
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("room_account_data", "instance_name", "stream_id"),
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("room_tags_revisions", "instance_name", "stream_id"),
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("account_data", "instance_name", "stream_id"),
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],
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sequence_name="account_data_sequence",
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writers=hs.config.worker.writers.account_data,
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)
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else:
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# We shouldn't be running in worker mode with SQLite, but its useful
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# to support it for unit tests.
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#
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# If this process is the writer than we need to use
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# `StreamIdGenerator`, otherwise we use `SlavedIdTracker` which gets
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# updated over replication. (Multiple writers are not supported for
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# SQLite).
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self._account_data_id_gen = StreamIdGenerator(
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db_conn,
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hs.get_replication_notifier(),
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"room_account_data",
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"stream_id",
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extra_tables=[("room_tags_revisions", "stream_id")],
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is_writer=self._instance_name in hs.config.worker.writers.account_data,
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)
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account_max = self.get_max_account_data_stream_id()
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self._account_data_stream_cache = StreamChangeCache(
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"AccountDataAndTagsChangeCache", account_max
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)
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self.db_pool.updates.register_background_update_handler(
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"delete_account_data_for_deactivated_users",
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self._delete_account_data_for_deactivated_users,
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)
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def get_max_account_data_stream_id(self) -> int:
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"""Get the current max stream ID for account data stream
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Returns:
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int
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"""
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return self._account_data_id_gen.get_current_token()
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@cached()
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async def get_account_data_for_user(
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self, user_id: str
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) -> Tuple[Dict[str, JsonDict], Dict[str, Dict[str, JsonDict]]]:
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"""
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Get all the client account_data for a user.
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If experimental MSC3391 support is enabled, any entries with an empty
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content body are excluded; as this means they have been deleted.
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Args:
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user_id: The user to get the account_data for.
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Returns:
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A 2-tuple of a dict of global account_data and a dict mapping from
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room_id string to per room account_data dicts.
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"""
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def get_account_data_for_user_txn(
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txn: LoggingTransaction,
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) -> Tuple[Dict[str, JsonDict], Dict[str, Dict[str, JsonDict]]]:
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# The 'content != '{}' condition below prevents us from using
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# `simple_select_list_txn` here, as it doesn't support conditions
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# other than 'equals'.
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sql = """
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SELECT account_data_type, content FROM account_data
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WHERE user_id = ?
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"""
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# If experimental MSC3391 support is enabled, then account data entries
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# with an empty content are considered "deleted". So skip adding them to
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# the results.
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if self.hs.config.experimental.msc3391_enabled:
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sql += " AND content != '{}'"
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txn.execute(sql, (user_id,))
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rows = self.db_pool.cursor_to_dict(txn)
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global_account_data = {
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row["account_data_type"]: db_to_json(row["content"]) for row in rows
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}
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# The 'content != '{}' condition below prevents us from using
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# `simple_select_list_txn` here, as it doesn't support conditions
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# other than 'equals'.
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sql = """
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SELECT room_id, account_data_type, content FROM room_account_data
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WHERE user_id = ?
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"""
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# If experimental MSC3391 support is enabled, then account data entries
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# with an empty content are considered "deleted". So skip adding them to
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# the results.
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if self.hs.config.experimental.msc3391_enabled:
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sql += " AND content != '{}'"
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txn.execute(sql, (user_id,))
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rows = self.db_pool.cursor_to_dict(txn)
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by_room: Dict[str, Dict[str, JsonDict]] = {}
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for row in rows:
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room_data = by_room.setdefault(row["room_id"], {})
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room_data[row["account_data_type"]] = db_to_json(row["content"])
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return global_account_data, by_room
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return await self.db_pool.runInteraction(
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"get_account_data_for_user", get_account_data_for_user_txn
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)
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@cached(num_args=2, max_entries=5000, tree=True)
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async def get_global_account_data_by_type_for_user(
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self, user_id: str, data_type: str
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) -> Optional[JsonDict]:
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"""
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Returns:
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The account data.
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"""
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result = await self.db_pool.simple_select_one_onecol(
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table="account_data",
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keyvalues={"user_id": user_id, "account_data_type": data_type},
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retcol="content",
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desc="get_global_account_data_by_type_for_user",
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allow_none=True,
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)
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if result:
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return db_to_json(result)
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else:
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return None
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@cached(num_args=2, tree=True)
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async def get_account_data_for_room(
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self, user_id: str, room_id: str
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) -> Dict[str, JsonDict]:
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"""Get all the client account_data for a user for a room.
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Args:
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user_id: The user to get the account_data for.
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room_id: The room to get the account_data for.
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Returns:
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A dict of the room account_data
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"""
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def get_account_data_for_room_txn(
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txn: LoggingTransaction,
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) -> Dict[str, JsonDict]:
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rows = self.db_pool.simple_select_list_txn(
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txn,
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"room_account_data",
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{"user_id": user_id, "room_id": room_id},
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["account_data_type", "content"],
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)
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return {
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row["account_data_type"]: db_to_json(row["content"]) for row in rows
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}
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return await self.db_pool.runInteraction(
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"get_account_data_for_room", get_account_data_for_room_txn
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)
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@cached(num_args=3, max_entries=5000, tree=True)
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async def get_account_data_for_room_and_type(
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self, user_id: str, room_id: str, account_data_type: str
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) -> Optional[JsonDict]:
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"""Get the client account_data of given type for a user for a room.
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Args:
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user_id: The user to get the account_data for.
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room_id: The room to get the account_data for.
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account_data_type: The account data type to get.
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Returns:
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The room account_data for that type, or None if there isn't any set.
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"""
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def get_account_data_for_room_and_type_txn(
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txn: LoggingTransaction,
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) -> Optional[JsonDict]:
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content_json = self.db_pool.simple_select_one_onecol_txn(
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txn,
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table="room_account_data",
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keyvalues={
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"user_id": user_id,
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"room_id": room_id,
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"account_data_type": account_data_type,
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},
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retcol="content",
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allow_none=True,
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)
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return db_to_json(content_json) if content_json else None
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return await self.db_pool.runInteraction(
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"get_account_data_for_room_and_type", get_account_data_for_room_and_type_txn
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)
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async def get_updated_global_account_data(
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self, last_id: int, current_id: int, limit: int
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) -> List[Tuple[int, str, str]]:
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"""Get the global account_data that has changed, for the account_data stream
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Args:
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last_id: the last stream_id from the previous batch.
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current_id: the maximum stream_id to return up to
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limit: the maximum number of rows to return
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Returns:
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A list of tuples of stream_id int, user_id string,
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and type string.
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"""
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if last_id == current_id:
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return []
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def get_updated_global_account_data_txn(
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txn: LoggingTransaction,
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) -> List[Tuple[int, str, str]]:
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sql = (
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"SELECT stream_id, user_id, account_data_type"
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" FROM account_data WHERE ? < stream_id AND stream_id <= ?"
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" ORDER BY stream_id ASC LIMIT ?"
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)
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txn.execute(sql, (last_id, current_id, limit))
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return cast(List[Tuple[int, str, str]], txn.fetchall())
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return await self.db_pool.runInteraction(
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"get_updated_global_account_data", get_updated_global_account_data_txn
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)
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async def get_updated_room_account_data(
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self, last_id: int, current_id: int, limit: int
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) -> List[Tuple[int, str, str, str]]:
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"""Get the global account_data that has changed, for the account_data stream
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Args:
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last_id: the last stream_id from the previous batch.
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current_id: the maximum stream_id to return up to
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limit: the maximum number of rows to return
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Returns:
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A list of tuples of stream_id int, user_id string,
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room_id string and type string.
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"""
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if last_id == current_id:
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return []
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def get_updated_room_account_data_txn(
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txn: LoggingTransaction,
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) -> List[Tuple[int, str, str, str]]:
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sql = (
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"SELECT stream_id, user_id, room_id, account_data_type"
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" FROM room_account_data WHERE ? < stream_id AND stream_id <= ?"
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" ORDER BY stream_id ASC LIMIT ?"
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)
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txn.execute(sql, (last_id, current_id, limit))
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return cast(List[Tuple[int, str, str, str]], txn.fetchall())
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return await self.db_pool.runInteraction(
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"get_updated_room_account_data", get_updated_room_account_data_txn
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)
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async def get_updated_account_data_for_user(
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self, user_id: str, stream_id: int
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) -> Tuple[Dict[str, JsonDict], Dict[str, Dict[str, JsonDict]]]:
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"""Get all the client account_data for a that's changed for a user
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Args:
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user_id: The user to get the account_data for.
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stream_id: The point in the stream since which to get updates
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Returns:
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A deferred pair of a dict of global account_data and a dict
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mapping from room_id string to per room account_data dicts.
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"""
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def get_updated_account_data_for_user_txn(
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txn: LoggingTransaction,
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) -> Tuple[Dict[str, JsonDict], Dict[str, Dict[str, JsonDict]]]:
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sql = (
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"SELECT account_data_type, content FROM account_data"
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" WHERE user_id = ? AND stream_id > ?"
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)
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txn.execute(sql, (user_id, stream_id))
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global_account_data = {row[0]: db_to_json(row[1]) for row in txn}
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sql = (
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"SELECT room_id, account_data_type, content FROM room_account_data"
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" WHERE user_id = ? AND stream_id > ?"
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)
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txn.execute(sql, (user_id, stream_id))
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account_data_by_room: Dict[str, Dict[str, JsonDict]] = {}
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for row in txn:
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room_account_data = account_data_by_room.setdefault(row[0], {})
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room_account_data[row[1]] = db_to_json(row[2])
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return global_account_data, account_data_by_room
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changed = self._account_data_stream_cache.has_entity_changed(
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user_id, int(stream_id)
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)
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if not changed:
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return {}, {}
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return await self.db_pool.runInteraction(
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"get_updated_account_data_for_user", get_updated_account_data_for_user_txn
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)
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@cached(max_entries=5000, iterable=True)
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async def ignored_by(self, user_id: str) -> FrozenSet[str]:
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"""
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Get users which ignore the given user.
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Params:
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user_id: The user ID which might be ignored.
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Return:
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The user IDs which ignore the given user.
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"""
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return frozenset(
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await self.db_pool.simple_select_onecol(
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table="ignored_users",
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keyvalues={"ignored_user_id": user_id},
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retcol="ignorer_user_id",
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desc="ignored_by",
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)
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)
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@cached(max_entries=5000, iterable=True)
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async def ignored_users(self, user_id: str) -> FrozenSet[str]:
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"""
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Get users which the given user ignores.
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Params:
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user_id: The user ID which is making the request.
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Return:
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The user IDs which are ignored by the given user.
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"""
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return frozenset(
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await self.db_pool.simple_select_onecol(
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table="ignored_users",
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keyvalues={"ignorer_user_id": user_id},
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retcol="ignored_user_id",
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desc="ignored_users",
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)
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)
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def process_replication_rows(
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self,
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stream_name: str,
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instance_name: str,
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token: int,
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rows: Iterable[Any],
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) -> None:
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if stream_name == AccountDataStream.NAME:
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for row in rows:
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if not row.room_id:
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self.get_global_account_data_by_type_for_user.invalidate(
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(row.user_id, row.data_type)
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)
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self.get_account_data_for_user.invalidate((row.user_id,))
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self.get_account_data_for_room.invalidate((row.user_id, row.room_id))
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self.get_account_data_for_room_and_type.invalidate(
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(row.user_id, row.room_id, row.data_type)
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)
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self._account_data_stream_cache.entity_has_changed(row.user_id, token)
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super().process_replication_rows(stream_name, instance_name, token, rows)
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def process_replication_position(
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self, stream_name: str, instance_name: str, token: int
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) -> None:
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if stream_name == AccountDataStream.NAME:
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self._account_data_id_gen.advance(instance_name, token)
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super().process_replication_position(stream_name, instance_name, token)
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async def add_account_data_to_room(
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self, user_id: str, room_id: str, account_data_type: str, content: JsonDict
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) -> int:
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"""Add some account_data to a room for a user.
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Args:
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user_id: The user to add a tag for.
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room_id: The room to add a tag for.
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account_data_type: The type of account_data to add.
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content: A json object to associate with the tag.
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Returns:
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The maximum stream ID.
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"""
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assert self._can_write_to_account_data
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assert isinstance(self._account_data_id_gen, AbstractStreamIdGenerator)
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content_json = json_encoder.encode(content)
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async with self._account_data_id_gen.get_next() as next_id:
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await self.db_pool.simple_upsert(
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desc="add_room_account_data",
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table="room_account_data",
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keyvalues={
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"user_id": user_id,
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"room_id": room_id,
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"account_data_type": account_data_type,
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},
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values={"stream_id": next_id, "content": content_json},
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)
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self._account_data_stream_cache.entity_has_changed(user_id, next_id)
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|
self.get_account_data_for_user.invalidate((user_id,))
|
|
self.get_account_data_for_room.invalidate((user_id, room_id))
|
|
self.get_account_data_for_room_and_type.prefill(
|
|
(user_id, room_id, account_data_type), content
|
|
)
|
|
|
|
return self._account_data_id_gen.get_current_token()
|
|
|
|
async def remove_account_data_for_room(
|
|
self, user_id: str, room_id: str, account_data_type: str
|
|
) -> Optional[int]:
|
|
"""Delete the room account data for the user of a given type.
|
|
|
|
Args:
|
|
user_id: The user to remove account_data for.
|
|
room_id: The room ID to scope the request to.
|
|
account_data_type: The account data type to delete.
|
|
|
|
Returns:
|
|
The maximum stream position, or None if there was no matching room account
|
|
data to delete.
|
|
"""
|
|
assert self._can_write_to_account_data
|
|
assert isinstance(self._account_data_id_gen, AbstractStreamIdGenerator)
|
|
|
|
def _remove_account_data_for_room_txn(
|
|
txn: LoggingTransaction, next_id: int
|
|
) -> bool:
|
|
"""
|
|
Args:
|
|
txn: The transaction object.
|
|
next_id: The stream_id to update any existing rows to.
|
|
|
|
Returns:
|
|
True if an entry in room_account_data had its content set to '{}',
|
|
otherwise False. This informs callers of whether there actually was an
|
|
existing room account data entry to delete, or if the call was a no-op.
|
|
"""
|
|
# We can't use `simple_update` as it doesn't have the ability to specify
|
|
# where clauses other than '=', which we need for `content != '{}'` below.
|
|
sql = """
|
|
UPDATE room_account_data
|
|
SET stream_id = ?, content = '{}'
|
|
WHERE user_id = ?
|
|
AND room_id = ?
|
|
AND account_data_type = ?
|
|
AND content != '{}'
|
|
"""
|
|
txn.execute(
|
|
sql,
|
|
(next_id, user_id, room_id, account_data_type),
|
|
)
|
|
# Return true if any rows were updated.
|
|
return txn.rowcount != 0
|
|
|
|
async with self._account_data_id_gen.get_next() as next_id:
|
|
row_updated = await self.db_pool.runInteraction(
|
|
"remove_account_data_for_room",
|
|
_remove_account_data_for_room_txn,
|
|
next_id,
|
|
)
|
|
|
|
if not row_updated:
|
|
return None
|
|
|
|
self._account_data_stream_cache.entity_has_changed(user_id, next_id)
|
|
self.get_account_data_for_user.invalidate((user_id,))
|
|
self.get_account_data_for_room.invalidate((user_id, room_id))
|
|
self.get_account_data_for_room_and_type.prefill(
|
|
(user_id, room_id, account_data_type), {}
|
|
)
|
|
|
|
return self._account_data_id_gen.get_current_token()
|
|
|
|
async def add_account_data_for_user(
|
|
self, user_id: str, account_data_type: str, content: JsonDict
|
|
) -> int:
|
|
"""Add some global account_data for a user.
|
|
|
|
Args:
|
|
user_id: The user to add a tag for.
|
|
account_data_type: The type of account_data to add.
|
|
content: A json object to associate with the tag.
|
|
|
|
Returns:
|
|
The maximum stream ID.
|
|
"""
|
|
assert self._can_write_to_account_data
|
|
assert isinstance(self._account_data_id_gen, AbstractStreamIdGenerator)
|
|
|
|
async with self._account_data_id_gen.get_next() as next_id:
|
|
await self.db_pool.runInteraction(
|
|
"add_user_account_data",
|
|
self._add_account_data_for_user,
|
|
next_id,
|
|
user_id,
|
|
account_data_type,
|
|
content,
|
|
)
|
|
|
|
self._account_data_stream_cache.entity_has_changed(user_id, next_id)
|
|
self.get_account_data_for_user.invalidate((user_id,))
|
|
self.get_global_account_data_by_type_for_user.invalidate(
|
|
(user_id, account_data_type)
|
|
)
|
|
|
|
return self._account_data_id_gen.get_current_token()
|
|
|
|
def _add_account_data_for_user(
|
|
self,
|
|
txn: LoggingTransaction,
|
|
next_id: int,
|
|
user_id: str,
|
|
account_data_type: str,
|
|
content: JsonDict,
|
|
) -> None:
|
|
content_json = json_encoder.encode(content)
|
|
|
|
self.db_pool.simple_upsert_txn(
|
|
txn,
|
|
table="account_data",
|
|
keyvalues={"user_id": user_id, "account_data_type": account_data_type},
|
|
values={"stream_id": next_id, "content": content_json},
|
|
)
|
|
|
|
# Ignored users get denormalized into a separate table as an optimisation.
|
|
if account_data_type != AccountDataTypes.IGNORED_USER_LIST:
|
|
return
|
|
|
|
# Insert / delete to sync the list of ignored users.
|
|
previously_ignored_users = set(
|
|
self.db_pool.simple_select_onecol_txn(
|
|
txn,
|
|
table="ignored_users",
|
|
keyvalues={"ignorer_user_id": user_id},
|
|
retcol="ignored_user_id",
|
|
)
|
|
)
|
|
|
|
# If the data is invalid, no one is ignored.
|
|
ignored_users_content = content.get("ignored_users", {})
|
|
if isinstance(ignored_users_content, dict):
|
|
currently_ignored_users = set(ignored_users_content)
|
|
else:
|
|
currently_ignored_users = set()
|
|
|
|
# If the data has not changed, nothing to do.
|
|
if previously_ignored_users == currently_ignored_users:
|
|
return
|
|
|
|
# Delete entries which are no longer ignored.
|
|
self.db_pool.simple_delete_many_txn(
|
|
txn,
|
|
table="ignored_users",
|
|
column="ignored_user_id",
|
|
values=previously_ignored_users - currently_ignored_users,
|
|
keyvalues={"ignorer_user_id": user_id},
|
|
)
|
|
|
|
# Add entries which are newly ignored.
|
|
self.db_pool.simple_insert_many_txn(
|
|
txn,
|
|
table="ignored_users",
|
|
keys=("ignorer_user_id", "ignored_user_id"),
|
|
values=[
|
|
(user_id, u) for u in currently_ignored_users - previously_ignored_users
|
|
],
|
|
)
|
|
|
|
# Invalidate the cache for any ignored users which were added or removed.
|
|
for ignored_user_id in previously_ignored_users ^ currently_ignored_users:
|
|
self._invalidate_cache_and_stream(txn, self.ignored_by, (ignored_user_id,))
|
|
self._invalidate_cache_and_stream(txn, self.ignored_users, (user_id,))
|
|
|
|
async def remove_account_data_for_user(
|
|
self,
|
|
user_id: str,
|
|
account_data_type: str,
|
|
) -> Optional[int]:
|
|
"""
|
|
Delete a single piece of user account data by type.
|
|
|
|
A "delete" is performed by updating a potentially existing row in the
|
|
"account_data" database table for (user_id, account_data_type) and
|
|
setting its content to "{}".
|
|
|
|
Args:
|
|
user_id: The user ID to modify the account data of.
|
|
account_data_type: The type to remove.
|
|
|
|
Returns:
|
|
The maximum stream position, or None if there was no matching account data
|
|
to delete.
|
|
"""
|
|
assert self._can_write_to_account_data
|
|
assert isinstance(self._account_data_id_gen, AbstractStreamIdGenerator)
|
|
|
|
def _remove_account_data_for_user_txn(
|
|
txn: LoggingTransaction, next_id: int
|
|
) -> bool:
|
|
"""
|
|
Args:
|
|
txn: The transaction object.
|
|
next_id: The stream_id to update any existing rows to.
|
|
|
|
Returns:
|
|
True if an entry in account_data had its content set to '{}', otherwise
|
|
False. This informs callers of whether there actually was an existing
|
|
account data entry to delete, or if the call was a no-op.
|
|
"""
|
|
# We can't use `simple_update` as it doesn't have the ability to specify
|
|
# where clauses other than '=', which we need for `content != '{}'` below.
|
|
sql = """
|
|
UPDATE account_data
|
|
SET stream_id = ?, content = '{}'
|
|
WHERE user_id = ?
|
|
AND account_data_type = ?
|
|
AND content != '{}'
|
|
"""
|
|
txn.execute(sql, (next_id, user_id, account_data_type))
|
|
if txn.rowcount == 0:
|
|
# We didn't update any rows. This means that there was no matching room
|
|
# account data entry to delete in the first place.
|
|
return False
|
|
|
|
# Ignored users get denormalized into a separate table as an optimisation.
|
|
if account_data_type == AccountDataTypes.IGNORED_USER_LIST:
|
|
# If this method was called with the ignored users account data type, we
|
|
# simply delete all ignored users.
|
|
|
|
# First pull all the users that this user ignores.
|
|
previously_ignored_users = set(
|
|
self.db_pool.simple_select_onecol_txn(
|
|
txn,
|
|
table="ignored_users",
|
|
keyvalues={"ignorer_user_id": user_id},
|
|
retcol="ignored_user_id",
|
|
)
|
|
)
|
|
|
|
# Then delete them from the database.
|
|
self.db_pool.simple_delete_txn(
|
|
txn,
|
|
table="ignored_users",
|
|
keyvalues={"ignorer_user_id": user_id},
|
|
)
|
|
|
|
# Invalidate the cache for ignored users which were removed.
|
|
for ignored_user_id in previously_ignored_users:
|
|
self._invalidate_cache_and_stream(
|
|
txn, self.ignored_by, (ignored_user_id,)
|
|
)
|
|
|
|
# Invalidate for this user the cache tracking ignored users.
|
|
self._invalidate_cache_and_stream(txn, self.ignored_users, (user_id,))
|
|
|
|
return True
|
|
|
|
async with self._account_data_id_gen.get_next() as next_id:
|
|
row_updated = await self.db_pool.runInteraction(
|
|
"remove_account_data_for_user",
|
|
_remove_account_data_for_user_txn,
|
|
next_id,
|
|
)
|
|
|
|
if not row_updated:
|
|
return None
|
|
|
|
self._account_data_stream_cache.entity_has_changed(user_id, next_id)
|
|
self.get_account_data_for_user.invalidate((user_id,))
|
|
self.get_global_account_data_by_type_for_user.prefill(
|
|
(user_id, account_data_type), {}
|
|
)
|
|
|
|
return self._account_data_id_gen.get_current_token()
|
|
|
|
async def purge_account_data_for_user(self, user_id: str) -> None:
|
|
"""
|
|
Removes ALL the account data for a user.
|
|
Intended to be used upon user deactivation.
|
|
|
|
Also purges the user from the ignored_users cache table
|
|
and the push_rules cache tables.
|
|
"""
|
|
|
|
await self.db_pool.runInteraction(
|
|
"purge_account_data_for_user_txn",
|
|
self._purge_account_data_for_user_txn,
|
|
user_id,
|
|
)
|
|
|
|
def _purge_account_data_for_user_txn(
|
|
self, txn: LoggingTransaction, user_id: str
|
|
) -> None:
|
|
"""
|
|
See `purge_account_data_for_user`.
|
|
"""
|
|
# Purge from the primary account_data tables.
|
|
self.db_pool.simple_delete_txn(
|
|
txn, table="account_data", keyvalues={"user_id": user_id}
|
|
)
|
|
|
|
self.db_pool.simple_delete_txn(
|
|
txn, table="room_account_data", keyvalues={"user_id": user_id}
|
|
)
|
|
|
|
# Purge from ignored_users where this user is the ignorer.
|
|
# N.B. We don't purge where this user is the ignoree, because that
|
|
# interferes with other users' account data.
|
|
# It's also not this user's data to delete!
|
|
self.db_pool.simple_delete_txn(
|
|
txn, table="ignored_users", keyvalues={"ignorer_user_id": user_id}
|
|
)
|
|
|
|
# Remove the push rules
|
|
self.db_pool.simple_delete_txn(
|
|
txn, table="push_rules", keyvalues={"user_name": user_id}
|
|
)
|
|
self.db_pool.simple_delete_txn(
|
|
txn, table="push_rules_enable", keyvalues={"user_name": user_id}
|
|
)
|
|
self.db_pool.simple_delete_txn(
|
|
txn, table="push_rules_stream", keyvalues={"user_id": user_id}
|
|
)
|
|
|
|
# Invalidate caches as appropriate
|
|
self._invalidate_cache_and_stream(
|
|
txn, self.get_account_data_for_room_and_type, (user_id,)
|
|
)
|
|
self._invalidate_cache_and_stream(
|
|
txn, self.get_account_data_for_user, (user_id,)
|
|
)
|
|
self._invalidate_cache_and_stream(
|
|
txn, self.get_global_account_data_by_type_for_user, (user_id,)
|
|
)
|
|
self._invalidate_cache_and_stream(
|
|
txn, self.get_account_data_for_room, (user_id,)
|
|
)
|
|
self._invalidate_cache_and_stream(txn, self.get_push_rules_for_user, (user_id,))
|
|
# This user might be contained in the ignored_by cache for other users,
|
|
# so we have to invalidate it all.
|
|
self._invalidate_all_cache_and_stream(txn, self.ignored_by)
|
|
|
|
async def _delete_account_data_for_deactivated_users(
|
|
self, progress: dict, batch_size: int
|
|
) -> int:
|
|
"""
|
|
Retroactively purges account data for users that have already been deactivated.
|
|
Gets run as a background update caused by a schema delta.
|
|
"""
|
|
|
|
last_user: str = progress.get("last_user", "")
|
|
|
|
def _delete_account_data_for_deactivated_users_txn(
|
|
txn: LoggingTransaction,
|
|
) -> int:
|
|
sql = """
|
|
SELECT name FROM users
|
|
WHERE deactivated = ? and name > ?
|
|
ORDER BY name ASC
|
|
LIMIT ?
|
|
"""
|
|
|
|
txn.execute(sql, (1, last_user, batch_size))
|
|
users = [row[0] for row in txn]
|
|
|
|
for user in users:
|
|
self._purge_account_data_for_user_txn(txn, user_id=user)
|
|
|
|
if users:
|
|
self.db_pool.updates._background_update_progress_txn(
|
|
txn,
|
|
"delete_account_data_for_deactivated_users",
|
|
{"last_user": users[-1]},
|
|
)
|
|
|
|
return len(users)
|
|
|
|
number_deleted = await self.db_pool.runInteraction(
|
|
"_delete_account_data_for_deactivated_users",
|
|
_delete_account_data_for_deactivated_users_txn,
|
|
)
|
|
|
|
if number_deleted < batch_size:
|
|
await self.db_pool.updates._end_background_update(
|
|
"delete_account_data_for_deactivated_users"
|
|
)
|
|
|
|
return number_deleted
|
|
|
|
|
|
class AccountDataStore(AccountDataWorkerStore):
|
|
pass
|