941 lines
33 KiB
Python
941 lines
33 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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Collection,
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Dict,
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Iterable,
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List,
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Mapping,
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Optional,
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Sequence,
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Tuple,
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Union,
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cast,
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)
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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.config.homeserver import ExperimentalConfig
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from synapse.logging.context import make_deferred_yieldable, run_in_background
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from synapse.replication.tcp.streams import PushRulesStream
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from synapse.storage._base import SQLBaseStore
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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.appservice import ApplicationServiceWorkerStore
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from synapse.storage.databases.main.events_worker import EventsWorkerStore
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from synapse.storage.databases.main.pusher import PusherWorkerStore
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from synapse.storage.databases.main.receipts import ReceiptsWorkerStore
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from synapse.storage.databases.main.roommember import RoomMemberWorkerStore
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from synapse.storage.engines import PostgresEngine, Sqlite3Engine
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from synapse.storage.push_rule import InconsistentRuleException, RuleNotFoundException
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from synapse.storage.util.id_generators import (
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AbstractStreamIdGenerator,
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IdGenerator,
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StreamIdGenerator,
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)
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from synapse.synapse_rust.push import FilteredPushRules, PushRule, PushRules
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from synapse.types import JsonDict
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from synapse.util import json_encoder, unwrapFirstError
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from synapse.util.async_helpers import gather_results
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from synapse.util.caches.descriptors import cached, cachedList
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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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def _load_rules(
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rawrules: List[Tuple[str, int, str, str]],
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enabled_map: Dict[str, bool],
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experimental_config: ExperimentalConfig,
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) -> FilteredPushRules:
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"""Take the DB rows returned from the DB and convert them into a full
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`FilteredPushRules` object.
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Args:
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rawrules: List of tuples of:
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* rule ID
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* Priority lass
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* Conditions (as serialized JSON)
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* Actions (as serialized JSON)
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enabled_map: A dictionary of rule ID to a boolean of whether the rule is
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enabled. This might not include all rule IDs from rawrules.
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experimental_config: The `experimental_features` section of the Synapse
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config. (Used to check if various features are enabled.)
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Returns:
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A new FilteredPushRules object.
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"""
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ruleslist = [
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PushRule.from_db(
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rule_id=rawrule[0],
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priority_class=rawrule[1],
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conditions=rawrule[2],
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actions=rawrule[3],
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)
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for rawrule in rawrules
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]
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push_rules = PushRules(ruleslist)
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filtered_rules = FilteredPushRules(
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push_rules,
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enabled_map,
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msc1767_enabled=experimental_config.msc1767_enabled,
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msc3664_enabled=experimental_config.msc3664_enabled,
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msc3381_polls_enabled=experimental_config.msc3381_polls_enabled,
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msc4028_push_encrypted_events=experimental_config.msc4028_push_encrypted_events,
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)
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return filtered_rules
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class PushRulesWorkerStore(
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ApplicationServiceWorkerStore,
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PusherWorkerStore,
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RoomMemberWorkerStore,
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ReceiptsWorkerStore,
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EventsWorkerStore,
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SQLBaseStore,
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):
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"""This is an abstract base class where subclasses must implement
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`get_max_push_rules_stream_id` which can be called in the initializer.
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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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super().__init__(database, db_conn, hs)
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# In the worker store this is an ID tracker which we overwrite in the non-worker
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# class below that is used on the main process.
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self._push_rules_stream_id_gen = StreamIdGenerator(
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db_conn,
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hs.get_replication_notifier(),
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"push_rules_stream",
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"stream_id",
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is_writer=hs.config.worker.worker_app is None,
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)
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push_rules_prefill, push_rules_id = self.db_pool.get_cache_dict(
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db_conn,
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"push_rules_stream",
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entity_column="user_id",
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stream_column="stream_id",
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max_value=self.get_max_push_rules_stream_id(),
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)
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self.push_rules_stream_cache = StreamChangeCache(
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"PushRulesStreamChangeCache",
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push_rules_id,
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prefilled_cache=push_rules_prefill,
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)
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def get_max_push_rules_stream_id(self) -> int:
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"""Get the position of the push rules stream.
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Returns:
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int
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"""
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return self._push_rules_stream_id_gen.get_current_token()
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def process_replication_rows(
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self, stream_name: str, instance_name: str, token: int, rows: Iterable[Any]
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) -> None:
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if stream_name == PushRulesStream.NAME:
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self._push_rules_stream_id_gen.advance(instance_name, token)
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for row in rows:
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self.get_push_rules_for_user.invalidate((row.user_id,))
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self.push_rules_stream_cache.entity_has_changed(row.user_id, token)
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return 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 == PushRulesStream.NAME:
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self._push_rules_stream_id_gen.advance(instance_name, token)
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super().process_replication_position(stream_name, instance_name, token)
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@cached(max_entries=5000)
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async def get_push_rules_for_user(self, user_id: str) -> FilteredPushRules:
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rows = cast(
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List[Tuple[str, int, int, str, str]],
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await self.db_pool.simple_select_list(
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table="push_rules",
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keyvalues={"user_name": user_id},
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retcols=(
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"rule_id",
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"priority_class",
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"priority",
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"conditions",
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"actions",
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),
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desc="get_push_rules_for_user",
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),
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)
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# Sort by highest priority_class, then highest priority.
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rows.sort(key=lambda row: (-int(row[1]), -int(row[2])))
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enabled_map = await self.get_push_rules_enabled_for_user(user_id)
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return _load_rules(
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[(row[0], row[1], row[3], row[4]) for row in rows],
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enabled_map,
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self.hs.config.experimental,
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)
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async def get_push_rules_enabled_for_user(self, user_id: str) -> Dict[str, bool]:
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results = cast(
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List[Tuple[str, Optional[Union[int, bool]]]],
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await self.db_pool.simple_select_list(
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table="push_rules_enable",
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keyvalues={"user_name": user_id},
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retcols=("rule_id", "enabled"),
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desc="get_push_rules_enabled_for_user",
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),
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)
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return {r[0]: bool(r[1]) for r in results}
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async def have_push_rules_changed_for_user(
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self, user_id: str, last_id: int
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) -> bool:
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if not self.push_rules_stream_cache.has_entity_changed(user_id, last_id):
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return False
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else:
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def have_push_rules_changed_txn(txn: LoggingTransaction) -> bool:
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sql = (
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"SELECT COUNT(stream_id) FROM push_rules_stream"
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" WHERE user_id = ? AND ? < stream_id"
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)
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txn.execute(sql, (user_id, last_id))
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(count,) = cast(Tuple[int], txn.fetchone())
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return bool(count)
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return await self.db_pool.runInteraction(
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"have_push_rules_changed", have_push_rules_changed_txn
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)
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@cachedList(cached_method_name="get_push_rules_for_user", list_name="user_ids")
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async def bulk_get_push_rules(
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self, user_ids: Collection[str]
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) -> Mapping[str, FilteredPushRules]:
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if not user_ids:
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return {}
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raw_rules: Dict[str, List[Tuple[str, int, str, str]]] = {
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user_id: [] for user_id in user_ids
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}
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# gatherResults loses all type information.
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rows, enabled_map_by_user = await make_deferred_yieldable(
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gather_results(
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(
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cast(
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"defer.Deferred[List[Tuple[str, str, int, int, str, str]]]",
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run_in_background(
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self.db_pool.simple_select_many_batch,
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table="push_rules",
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column="user_name",
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iterable=user_ids,
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retcols=(
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"user_name",
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"rule_id",
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"priority_class",
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"priority",
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"conditions",
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"actions",
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),
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desc="bulk_get_push_rules",
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batch_size=1000,
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),
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),
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run_in_background(self.bulk_get_push_rules_enabled, user_ids),
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),
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consumeErrors=True,
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).addErrback(unwrapFirstError)
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)
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# Sort by highest priority_class, then highest priority.
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rows.sort(key=lambda row: (-int(row[2]), -int(row[3])))
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for user_name, rule_id, priority_class, _, conditions, actions in rows:
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raw_rules.setdefault(user_name, []).append(
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(rule_id, priority_class, conditions, actions)
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)
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results: Dict[str, FilteredPushRules] = {}
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for user_id, rules in raw_rules.items():
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results[user_id] = _load_rules(
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rules, enabled_map_by_user.get(user_id, {}), self.hs.config.experimental
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)
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return results
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async def bulk_get_push_rules_enabled(
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self, user_ids: Collection[str]
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) -> Dict[str, Dict[str, bool]]:
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if not user_ids:
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return {}
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results: Dict[str, Dict[str, bool]] = {user_id: {} for user_id in user_ids}
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rows = cast(
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List[Tuple[str, str, Optional[int]]],
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await self.db_pool.simple_select_many_batch(
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table="push_rules_enable",
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column="user_name",
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iterable=user_ids,
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retcols=("user_name", "rule_id", "enabled"),
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desc="bulk_get_push_rules_enabled",
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batch_size=1000,
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),
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)
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for user_name, rule_id, enabled in rows:
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results.setdefault(user_name, {})[rule_id] = bool(enabled)
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return results
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async def get_all_push_rule_updates(
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self, instance_name: str, last_id: int, current_id: int, limit: int
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) -> Tuple[List[Tuple[int, Tuple[str]]], int, bool]:
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"""Get updates for push_rules replication stream.
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Args:
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instance_name: The writer we want to fetch updates from. Unused
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here since there is only ever one writer.
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last_id: The token to fetch updates from. Exclusive.
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current_id: The token to fetch updates up to. Inclusive.
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limit: The requested limit for the number of rows to return. The
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function may return more or fewer rows.
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Returns:
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A tuple consisting of: the updates, a token to use to fetch
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subsequent updates, and whether we returned fewer rows than exists
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between the requested tokens due to the limit.
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The token returned can be used in a subsequent call to this
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function to get further updatees.
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The updates are a list of 2-tuples of stream ID and the row data
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"""
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if last_id == current_id:
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return [], current_id, False
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def get_all_push_rule_updates_txn(
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txn: LoggingTransaction,
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) -> Tuple[List[Tuple[int, Tuple[str]]], int, bool]:
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sql = """
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SELECT stream_id, user_id
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FROM push_rules_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, (last_id, current_id, limit))
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updates = cast(
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List[Tuple[int, Tuple[str]]],
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[(stream_id, (user_id,)) for stream_id, user_id in txn],
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)
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limited = False
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upper_bound = current_id
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if len(updates) == limit:
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limited = True
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upper_bound = updates[-1][0]
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return updates, upper_bound, limited
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return await self.db_pool.runInteraction(
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"get_all_push_rule_updates", get_all_push_rule_updates_txn
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)
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class PushRuleStore(PushRulesWorkerStore):
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# Because we have write access, this will be a StreamIdGenerator
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# (see PushRulesWorkerStore.__init__)
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_push_rules_stream_id_gen: AbstractStreamIdGenerator
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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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self._push_rule_id_gen = IdGenerator(db_conn, "push_rules", "id")
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self._push_rules_enable_id_gen = IdGenerator(db_conn, "push_rules_enable", "id")
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async def add_push_rule(
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self,
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user_id: str,
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rule_id: str,
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priority_class: int,
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conditions: Sequence[Mapping[str, str]],
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actions: Sequence[Union[Mapping[str, Any], str]],
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before: Optional[str] = None,
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after: Optional[str] = None,
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) -> None:
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conditions_json = json_encoder.encode(conditions)
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actions_json = json_encoder.encode(actions)
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async with self._push_rules_stream_id_gen.get_next() as stream_id:
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event_stream_ordering = self._stream_id_gen.get_current_token()
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if before or after:
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await self.db_pool.runInteraction(
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"_add_push_rule_relative_txn",
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self._add_push_rule_relative_txn,
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stream_id,
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event_stream_ordering,
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user_id,
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rule_id,
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priority_class,
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conditions_json,
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actions_json,
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before,
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after,
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)
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else:
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await self.db_pool.runInteraction(
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"_add_push_rule_highest_priority_txn",
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self._add_push_rule_highest_priority_txn,
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stream_id,
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event_stream_ordering,
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user_id,
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rule_id,
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priority_class,
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conditions_json,
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actions_json,
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)
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|
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def _add_push_rule_relative_txn(
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self,
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txn: LoggingTransaction,
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stream_id: int,
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event_stream_ordering: int,
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user_id: str,
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rule_id: str,
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priority_class: int,
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conditions_json: str,
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actions_json: str,
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before: str,
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after: str,
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) -> None:
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relative_to_rule = before or after
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sql = """
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SELECT priority, priority_class FROM push_rules
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WHERE user_name = ? AND rule_id = ?
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"""
|
|
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if isinstance(self.database_engine, PostgresEngine):
|
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sql += " FOR UPDATE"
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else:
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# Annoyingly SQLite doesn't support row level locking, so lock the whole table
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self.database_engine.lock_table(txn, "push_rules")
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txn.execute(sql, (user_id, relative_to_rule))
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row = txn.fetchone()
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if row is None:
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raise RuleNotFoundException(
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"before/after rule not found: %s" % (relative_to_rule,)
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)
|
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base_rule_priority, base_priority_class = row
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if base_priority_class != priority_class:
|
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raise InconsistentRuleException(
|
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"Given priority class does not match class of relative rule"
|
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)
|
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if before:
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# Higher priority rules are executed first, So adding a rule before
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# a rule means giving it a higher priority than that rule.
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new_rule_priority = base_rule_priority + 1
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else:
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# We increment the priority of the existing rules to make space for
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# the new rule. Therefore if we want this rule to appear after
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# an existing rule we give it the priority of the existing rule,
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# and then increment the priority of the existing rule.
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new_rule_priority = base_rule_priority
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sql = (
|
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"UPDATE push_rules SET priority = priority + 1"
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" WHERE user_name = ? AND priority_class = ? AND priority >= ?"
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)
|
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txn.execute(sql, (user_id, priority_class, new_rule_priority))
|
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self._upsert_push_rule_txn(
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txn,
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stream_id,
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event_stream_ordering,
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user_id,
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rule_id,
|
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priority_class,
|
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new_rule_priority,
|
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conditions_json,
|
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actions_json,
|
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)
|
|
|
|
def _add_push_rule_highest_priority_txn(
|
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self,
|
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txn: LoggingTransaction,
|
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stream_id: int,
|
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event_stream_ordering: int,
|
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user_id: str,
|
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rule_id: str,
|
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priority_class: int,
|
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conditions_json: str,
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actions_json: str,
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) -> None:
|
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if isinstance(self.database_engine, PostgresEngine):
|
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# Postgres doesn't do FOR UPDATE on aggregate functions, so select the rows first
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|
# then re-select the count/max below.
|
|
sql = """
|
|
SELECT * FROM push_rules
|
|
WHERE user_name = ? and priority_class = ?
|
|
FOR UPDATE
|
|
"""
|
|
txn.execute(sql, (user_id, priority_class))
|
|
else:
|
|
# Annoyingly SQLite doesn't support row level locking, so lock the whole table
|
|
self.database_engine.lock_table(txn, "push_rules")
|
|
|
|
# find the highest priority rule in that class
|
|
sql = (
|
|
"SELECT COUNT(*), MAX(priority) FROM push_rules"
|
|
" WHERE user_name = ? and priority_class = ?"
|
|
)
|
|
txn.execute(sql, (user_id, priority_class))
|
|
res = txn.fetchall()
|
|
(how_many, highest_prio) = res[0]
|
|
|
|
new_prio = 0
|
|
if how_many > 0:
|
|
new_prio = highest_prio + 1
|
|
|
|
self._upsert_push_rule_txn(
|
|
txn,
|
|
stream_id,
|
|
event_stream_ordering,
|
|
user_id,
|
|
rule_id,
|
|
priority_class,
|
|
new_prio,
|
|
conditions_json,
|
|
actions_json,
|
|
)
|
|
|
|
def _upsert_push_rule_txn(
|
|
self,
|
|
txn: LoggingTransaction,
|
|
stream_id: int,
|
|
event_stream_ordering: int,
|
|
user_id: str,
|
|
rule_id: str,
|
|
priority_class: int,
|
|
priority: int,
|
|
conditions_json: str,
|
|
actions_json: str,
|
|
update_stream: bool = True,
|
|
) -> None:
|
|
"""Specialised version of simple_upsert_txn that picks a push_rule_id
|
|
using the _push_rule_id_gen if it needs to insert the rule. It assumes
|
|
that the "push_rules" table is locked"""
|
|
|
|
sql = (
|
|
"UPDATE push_rules"
|
|
" SET priority_class = ?, priority = ?, conditions = ?, actions = ?"
|
|
" WHERE user_name = ? AND rule_id = ?"
|
|
)
|
|
|
|
txn.execute(
|
|
sql,
|
|
(priority_class, priority, conditions_json, actions_json, user_id, rule_id),
|
|
)
|
|
|
|
if txn.rowcount == 0:
|
|
# We didn't update a row with the given rule_id so insert one
|
|
push_rule_id = self._push_rule_id_gen.get_next()
|
|
|
|
self.db_pool.simple_insert_txn(
|
|
txn,
|
|
table="push_rules",
|
|
values={
|
|
"id": push_rule_id,
|
|
"user_name": user_id,
|
|
"rule_id": rule_id,
|
|
"priority_class": priority_class,
|
|
"priority": priority,
|
|
"conditions": conditions_json,
|
|
"actions": actions_json,
|
|
},
|
|
)
|
|
|
|
if update_stream:
|
|
self._insert_push_rules_update_txn(
|
|
txn,
|
|
stream_id,
|
|
event_stream_ordering,
|
|
user_id,
|
|
rule_id,
|
|
op="ADD",
|
|
data={
|
|
"priority_class": priority_class,
|
|
"priority": priority,
|
|
"conditions": conditions_json,
|
|
"actions": actions_json,
|
|
},
|
|
)
|
|
|
|
# ensure we have a push_rules_enable row
|
|
# enabledness defaults to true
|
|
if isinstance(self.database_engine, PostgresEngine):
|
|
sql = """
|
|
INSERT INTO push_rules_enable (id, user_name, rule_id, enabled)
|
|
VALUES (?, ?, ?, 1)
|
|
ON CONFLICT DO NOTHING
|
|
"""
|
|
elif isinstance(self.database_engine, Sqlite3Engine):
|
|
sql = """
|
|
INSERT OR IGNORE INTO push_rules_enable (id, user_name, rule_id, enabled)
|
|
VALUES (?, ?, ?, 1)
|
|
"""
|
|
else:
|
|
raise RuntimeError("Unknown database engine")
|
|
|
|
new_enable_id = self._push_rules_enable_id_gen.get_next()
|
|
txn.execute(sql, (new_enable_id, user_id, rule_id))
|
|
|
|
async def delete_push_rule(self, user_id: str, rule_id: str) -> None:
|
|
"""
|
|
Delete a push rule. Args specify the row to be deleted and can be
|
|
any of the columns in the push_rule table, but below are the
|
|
standard ones
|
|
|
|
Args:
|
|
user_id: The matrix ID of the push rule owner
|
|
rule_id: The rule_id of the rule to be deleted
|
|
"""
|
|
|
|
def delete_push_rule_txn(
|
|
txn: LoggingTransaction,
|
|
stream_id: int,
|
|
event_stream_ordering: int,
|
|
) -> None:
|
|
# we don't use simple_delete_one_txn because that would fail if the
|
|
# user did not have a push_rule_enable row.
|
|
self.db_pool.simple_delete_txn(
|
|
txn, "push_rules_enable", {"user_name": user_id, "rule_id": rule_id}
|
|
)
|
|
|
|
self.db_pool.simple_delete_one_txn(
|
|
txn, "push_rules", {"user_name": user_id, "rule_id": rule_id}
|
|
)
|
|
|
|
self._insert_push_rules_update_txn(
|
|
txn, stream_id, event_stream_ordering, user_id, rule_id, op="DELETE"
|
|
)
|
|
|
|
async with self._push_rules_stream_id_gen.get_next() as stream_id:
|
|
event_stream_ordering = self._stream_id_gen.get_current_token()
|
|
|
|
await self.db_pool.runInteraction(
|
|
"delete_push_rule",
|
|
delete_push_rule_txn,
|
|
stream_id,
|
|
event_stream_ordering,
|
|
)
|
|
|
|
async def set_push_rule_enabled(
|
|
self, user_id: str, rule_id: str, enabled: bool, is_default_rule: bool
|
|
) -> None:
|
|
"""
|
|
Sets the `enabled` state of a push rule.
|
|
|
|
Args:
|
|
user_id: the user ID of the user who wishes to enable/disable the rule
|
|
e.g. '@tina:example.org'
|
|
rule_id: the full rule ID of the rule to be enabled/disabled
|
|
e.g. 'global/override/.m.rule.roomnotif'
|
|
or 'global/override/myCustomRule'
|
|
enabled: True if the rule is to be enabled, False if it is to be
|
|
disabled
|
|
is_default_rule: True if and only if this is a server-default rule.
|
|
This skips the check for existence (as only user-created rules
|
|
are always stored in the database `push_rules` table).
|
|
|
|
Raises:
|
|
RuleNotFoundException if the rule does not exist.
|
|
"""
|
|
async with self._push_rules_stream_id_gen.get_next() as stream_id:
|
|
event_stream_ordering = self._stream_id_gen.get_current_token()
|
|
await self.db_pool.runInteraction(
|
|
"_set_push_rule_enabled_txn",
|
|
self._set_push_rule_enabled_txn,
|
|
stream_id,
|
|
event_stream_ordering,
|
|
user_id,
|
|
rule_id,
|
|
enabled,
|
|
is_default_rule,
|
|
)
|
|
|
|
def _set_push_rule_enabled_txn(
|
|
self,
|
|
txn: LoggingTransaction,
|
|
stream_id: int,
|
|
event_stream_ordering: int,
|
|
user_id: str,
|
|
rule_id: str,
|
|
enabled: bool,
|
|
is_default_rule: bool,
|
|
) -> None:
|
|
new_id = self._push_rules_enable_id_gen.get_next()
|
|
|
|
if not is_default_rule:
|
|
# first check it exists; we need to lock for key share so that a
|
|
# transaction that deletes the push rule will conflict with this one.
|
|
# We also need a push_rule_enable row to exist for every push_rules
|
|
# row, otherwise it is possible to simultaneously delete a push rule
|
|
# (that has no _enable row) and enable it, resulting in a dangling
|
|
# _enable row. To solve this: we either need to use SERIALISABLE or
|
|
# ensure we always have a push_rule_enable row for every push_rule
|
|
# row. We chose the latter.
|
|
for_key_share = "FOR KEY SHARE"
|
|
if not isinstance(self.database_engine, PostgresEngine):
|
|
# For key share is not applicable/available on SQLite
|
|
for_key_share = ""
|
|
sql = (
|
|
"""
|
|
SELECT 1 FROM push_rules
|
|
WHERE user_name = ? AND rule_id = ?
|
|
%s
|
|
"""
|
|
% for_key_share
|
|
)
|
|
txn.execute(sql, (user_id, rule_id))
|
|
if txn.fetchone() is None:
|
|
raise RuleNotFoundException("Push rule does not exist.")
|
|
|
|
self.db_pool.simple_upsert_txn(
|
|
txn,
|
|
"push_rules_enable",
|
|
{"user_name": user_id, "rule_id": rule_id},
|
|
{"enabled": 1 if enabled else 0},
|
|
{"id": new_id},
|
|
)
|
|
|
|
self._insert_push_rules_update_txn(
|
|
txn,
|
|
stream_id,
|
|
event_stream_ordering,
|
|
user_id,
|
|
rule_id,
|
|
op="ENABLE" if enabled else "DISABLE",
|
|
)
|
|
|
|
async def set_push_rule_actions(
|
|
self,
|
|
user_id: str,
|
|
rule_id: str,
|
|
actions: List[Union[dict, str]],
|
|
is_default_rule: bool,
|
|
) -> None:
|
|
"""
|
|
Sets the `actions` state of a push rule.
|
|
|
|
Args:
|
|
user_id: the user ID of the user who wishes to enable/disable the rule
|
|
e.g. '@tina:example.org'
|
|
rule_id: the full rule ID of the rule to be enabled/disabled
|
|
e.g. 'global/override/.m.rule.roomnotif'
|
|
or 'global/override/myCustomRule'
|
|
actions: A list of actions (each action being a dict or string),
|
|
e.g. ["notify", {"set_tweak": "highlight", "value": false}]
|
|
is_default_rule: True if and only if this is a server-default rule.
|
|
This skips the check for existence (as only user-created rules
|
|
are always stored in the database `push_rules` table).
|
|
|
|
Raises:
|
|
RuleNotFoundException if the rule does not exist.
|
|
"""
|
|
actions_json = json_encoder.encode(actions)
|
|
|
|
def set_push_rule_actions_txn(
|
|
txn: LoggingTransaction,
|
|
stream_id: int,
|
|
event_stream_ordering: int,
|
|
) -> None:
|
|
if is_default_rule:
|
|
# Add a dummy rule to the rules table with the user specified
|
|
# actions.
|
|
priority_class = -1
|
|
priority = 1
|
|
self._upsert_push_rule_txn(
|
|
txn,
|
|
stream_id,
|
|
event_stream_ordering,
|
|
user_id,
|
|
rule_id,
|
|
priority_class,
|
|
priority,
|
|
"[]",
|
|
actions_json,
|
|
update_stream=False,
|
|
)
|
|
else:
|
|
try:
|
|
self.db_pool.simple_update_one_txn(
|
|
txn,
|
|
"push_rules",
|
|
{"user_name": user_id, "rule_id": rule_id},
|
|
{"actions": actions_json},
|
|
)
|
|
except StoreError as serr:
|
|
if serr.code == 404:
|
|
# this sets the NOT_FOUND error Code
|
|
raise RuleNotFoundException("Push rule does not exist")
|
|
else:
|
|
raise
|
|
|
|
self._insert_push_rules_update_txn(
|
|
txn,
|
|
stream_id,
|
|
event_stream_ordering,
|
|
user_id,
|
|
rule_id,
|
|
op="ACTIONS",
|
|
data={"actions": actions_json},
|
|
)
|
|
|
|
async with self._push_rules_stream_id_gen.get_next() as stream_id:
|
|
event_stream_ordering = self._stream_id_gen.get_current_token()
|
|
|
|
await self.db_pool.runInteraction(
|
|
"set_push_rule_actions",
|
|
set_push_rule_actions_txn,
|
|
stream_id,
|
|
event_stream_ordering,
|
|
)
|
|
|
|
def _insert_push_rules_update_txn(
|
|
self,
|
|
txn: LoggingTransaction,
|
|
stream_id: int,
|
|
event_stream_ordering: int,
|
|
user_id: str,
|
|
rule_id: str,
|
|
op: str,
|
|
data: Optional[JsonDict] = None,
|
|
) -> None:
|
|
values = {
|
|
"stream_id": stream_id,
|
|
"event_stream_ordering": event_stream_ordering,
|
|
"user_id": user_id,
|
|
"rule_id": rule_id,
|
|
"op": op,
|
|
}
|
|
if data is not None:
|
|
values.update(data)
|
|
|
|
self.db_pool.simple_insert_txn(txn, "push_rules_stream", values=values)
|
|
|
|
txn.call_after(self.get_push_rules_for_user.invalidate, (user_id,))
|
|
txn.call_after(
|
|
self.push_rules_stream_cache.entity_has_changed, user_id, stream_id
|
|
)
|
|
|
|
def get_max_push_rules_stream_id(self) -> int:
|
|
return self._push_rules_stream_id_gen.get_current_token()
|
|
|
|
async def copy_push_rule_from_room_to_room(
|
|
self, new_room_id: str, user_id: str, rule: PushRule
|
|
) -> None:
|
|
"""Copy a single push rule from one room to another for a specific user.
|
|
|
|
Args:
|
|
new_room_id: ID of the new room.
|
|
user_id : ID of user the push rule belongs to.
|
|
rule: A push rule.
|
|
"""
|
|
# Create new rule id
|
|
rule_id_scope = "/".join(rule.rule_id.split("/")[:-1])
|
|
new_rule_id = rule_id_scope + "/" + new_room_id
|
|
|
|
new_conditions = []
|
|
|
|
# Change room id in each condition
|
|
for condition in rule.conditions:
|
|
new_condition = condition
|
|
if condition.get("key") == "room_id":
|
|
new_condition = dict(condition)
|
|
new_condition["pattern"] = new_room_id
|
|
|
|
new_conditions.append(new_condition)
|
|
|
|
# Add the rule for the new room
|
|
await self.add_push_rule(
|
|
user_id=user_id,
|
|
rule_id=new_rule_id,
|
|
priority_class=rule.priority_class,
|
|
conditions=new_conditions,
|
|
actions=rule.actions,
|
|
)
|
|
|
|
async def copy_push_rules_from_room_to_room_for_user(
|
|
self, old_room_id: str, new_room_id: str, user_id: str
|
|
) -> None:
|
|
"""Copy all of the push rules from one room to another for a specific
|
|
user.
|
|
|
|
Args:
|
|
old_room_id: ID of the old room.
|
|
new_room_id: ID of the new room.
|
|
user_id: ID of user to copy push rules for.
|
|
"""
|
|
# Retrieve push rules for this user
|
|
user_push_rules = await self.get_push_rules_for_user(user_id)
|
|
|
|
# Get rules relating to the old room and copy them to the new room
|
|
for rule, enabled in user_push_rules.rules():
|
|
if not enabled:
|
|
continue
|
|
|
|
conditions = rule.conditions
|
|
if any(
|
|
(c.get("key") == "room_id" and c.get("pattern") == old_room_id)
|
|
for c in conditions
|
|
):
|
|
await self.copy_push_rule_from_room_to_room(new_room_id, user_id, rule)
|