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Soft-fail spammy events received over federation (#10263)

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Richard van der Hoff 2021-06-29 11:08:06 +01:00 committed by GitHub
parent 3d370efc6d
commit a0ed0f363e
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2 changed files with 7 additions and 6 deletions
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1
changelog.d/10263.feature Normal file
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@ -0,0 +1 @@
Mark events received over federation which fail a spam check as "soft-failed".

12
synapse/federation/federation_base.py
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@ -89,12 +89,12 @@ class FederationBase:
result = await self.spam_checker.check_event_for_spam(pdu)
if result:
logger.warning(
"Event contains spam, redacting %s: %s",
pdu.event_id,
pdu.get_pdu_json(),
)
return prune_event(pdu)
logger.warning("Event contains spam, soft-failing %s", pdu.event_id)
# we redact (to save disk space) as well as soft-failing (to stop
# using the event in prev_events).
redacted_event = prune_event(pdu)
redacted_event.internal_metadata.soft_failed = True
return redacted_event
return pdu