1 files changed, 9 insertions, 6 deletions
diff --git a/synapse/visibility.py b/synapse/visibility.py
index 5b6562b481..79aa2ee1e2 100644
--- a/synapse/visibility.py
+++ b/synapse/visibility.py
@@ -115,14 +115,17 @@ def filter_events_for_client(store, user_id, events, is_peeking=False,
if not event.is_state() and event.sender in ignore_list:
return None
- retention_policy = retention_policies[event.room_id]
- max_lifetime = retention_policy.get("max_lifetime")
+ # Don't try to apply the room's retention policy if the event is a state event, as
+ # MSC1763 states that retention is only considered for non-state events.
+ if not event.is_state():
+ retention_policy = retention_policies[event.room_id]
+ max_lifetime = retention_policy.get("max_lifetime")
- if max_lifetime is not None:
- oldest_allowed_ts = store.clock.time_msec() - max_lifetime
+ if max_lifetime is not None:
+ oldest_allowed_ts = store.clock.time_msec() - max_lifetime
- if event.origin_server_ts < oldest_allowed_ts:
- return None
+ if event.origin_server_ts < oldest_allowed_ts:
+ return None
if event.event_id in always_include_ids:
return event
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