From 4cc4229cd7a55d2556c798fecbb1c9660dc821c8 Mon Sep 17 00:00:00 2001 From: Brendan Abolivier Date: Mon, 23 May 2022 19:18:23 +0200 Subject: Prevent expired events from being filtered out when retention is disabled (#12611) Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com> Co-authored-by: Patrick Cloke --- synapse/storage/databases/main/room.py | 45 +++++++++++++++++++--------------- 1 file changed, 25 insertions(+), 20 deletions(-) (limited to 'synapse/storage') diff --git a/synapse/storage/databases/main/room.py b/synapse/storage/databases/main/room.py index 87e9482c60..ded15b92ef 100644 --- a/synapse/storage/databases/main/room.py +++ b/synapse/storage/databases/main/room.py @@ -45,7 +45,7 @@ from synapse.storage.database import ( from synapse.storage.databases.main.cache import CacheInvalidationWorkerStore from synapse.storage.types import Cursor from synapse.storage.util.id_generators import IdGenerator -from synapse.types import JsonDict, ThirdPartyInstanceID +from synapse.types import JsonDict, RetentionPolicy, ThirdPartyInstanceID from synapse.util import json_encoder from synapse.util.caches.descriptors import cached from synapse.util.stringutils import MXC_REGEX @@ -699,7 +699,7 @@ class RoomWorkerStore(CacheInvalidationWorkerStore): await self.db_pool.runInteraction("delete_ratelimit", delete_ratelimit_txn) @cached() - async def get_retention_policy_for_room(self, room_id: str) -> Dict[str, int]: + async def get_retention_policy_for_room(self, room_id: str) -> RetentionPolicy: """Get the retention policy for a given room. If no retention policy has been found for this room, returns a policy defined @@ -707,12 +707,20 @@ class RoomWorkerStore(CacheInvalidationWorkerStore): the 'max_lifetime' if no default policy has been defined in the server's configuration). + If support for retention policies is disabled, a policy with a 'min_lifetime' and + 'max_lifetime' of None is returned. + Args: room_id: The ID of the room to get the retention policy of. Returns: A dict containing "min_lifetime" and "max_lifetime" for this room. """ + # If the room retention feature is disabled, return a policy with no minimum nor + # maximum. This prevents incorrectly filtering out events when sending to + # the client. + if not self.config.retention.retention_enabled: + return RetentionPolicy() def get_retention_policy_for_room_txn( txn: LoggingTransaction, @@ -736,10 +744,10 @@ class RoomWorkerStore(CacheInvalidationWorkerStore): # If we don't know this room ID, ret will be None, in this case return the default # policy. if not ret: - return { - "min_lifetime": self.config.retention.retention_default_min_lifetime, - "max_lifetime": self.config.retention.retention_default_max_lifetime, - } + return RetentionPolicy( + min_lifetime=self.config.retention.retention_default_min_lifetime, + max_lifetime=self.config.retention.retention_default_max_lifetime, + ) min_lifetime = ret[0]["min_lifetime"] max_lifetime = ret[0]["max_lifetime"] @@ -754,10 +762,10 @@ class RoomWorkerStore(CacheInvalidationWorkerStore): if max_lifetime is None: max_lifetime = self.config.retention.retention_default_max_lifetime - return { - "min_lifetime": min_lifetime, - "max_lifetime": max_lifetime, - } + return RetentionPolicy( + min_lifetime=min_lifetime, + max_lifetime=max_lifetime, + ) async def get_media_mxcs_in_room(self, room_id: str) -> Tuple[List[str], List[str]]: """Retrieves all the local and remote media MXC URIs in a given room @@ -994,7 +1002,7 @@ class RoomWorkerStore(CacheInvalidationWorkerStore): async def get_rooms_for_retention_period_in_range( self, min_ms: Optional[int], max_ms: Optional[int], include_null: bool = False - ) -> Dict[str, Dict[str, Optional[int]]]: + ) -> Dict[str, RetentionPolicy]: """Retrieves all of the rooms within the given retention range. Optionally includes the rooms which don't have a retention policy. @@ -1016,7 +1024,7 @@ class RoomWorkerStore(CacheInvalidationWorkerStore): def get_rooms_for_retention_period_in_range_txn( txn: LoggingTransaction, - ) -> Dict[str, Dict[str, Optional[int]]]: + ) -> Dict[str, RetentionPolicy]: range_conditions = [] args = [] @@ -1047,10 +1055,10 @@ class RoomWorkerStore(CacheInvalidationWorkerStore): rooms_dict = {} for row in rows: - rooms_dict[row["room_id"]] = { - "min_lifetime": row["min_lifetime"], - "max_lifetime": row["max_lifetime"], - } + rooms_dict[row["room_id"]] = RetentionPolicy( + min_lifetime=row["min_lifetime"], + max_lifetime=row["max_lifetime"], + ) if include_null: # If required, do a second query that retrieves all of the rooms we know @@ -1065,10 +1073,7 @@ class RoomWorkerStore(CacheInvalidationWorkerStore): # policy in its state), add it with a null policy. for row in rows: if row["room_id"] not in rooms_dict: - rooms_dict[row["room_id"]] = { - "min_lifetime": None, - "max_lifetime": None, - } + rooms_dict[row["room_id"]] = RetentionPolicy() return rooms_dict -- cgit 1.4.1