From 4bc8cb4669ddeb719a3a6de39b093fc3be8db6fe Mon Sep 17 00:00:00 2001 From: Tulir Asokan Date: Wed, 20 Apr 2022 14:57:39 +0300 Subject: Implement MSC2815: allow room moderators to view redacted event content (#12427) Implements matrix-org/matrix-spec-proposals#2815 Signed-off-by: Tulir Asokan --- synapse/storage/databases/main/events_worker.py | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'synapse/storage') diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py index 5288cdba03..60876204bd 100644 --- a/synapse/storage/databases/main/events_worker.py +++ b/synapse/storage/databases/main/events_worker.py @@ -303,6 +303,24 @@ class EventsWorkerStore(SQLBaseStore): desc="get_received_ts", ) + async def have_censored_event(self, event_id: str) -> bool: + """Check if an event has been censored, i.e. if the content of the event has been erased + from the database due to a redaction. + + Args: + event_id: The event ID that was redacted. + + Returns: + True if the event has been censored, False otherwise. + """ + censored_redactions_list = await self.db_pool.simple_select_onecol( + table="redactions", + keyvalues={"redacts": event_id}, + retcol="have_censored", + desc="get_have_censored", + ) + return any(censored_redactions_list) + # Inform mypy that if allow_none is False (the default) then get_event # always returns an EventBase. @overload -- cgit 1.4.1