1 files changed, 21 insertions, 1 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 111f7c7e2f..1f8272784e 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -729,7 +729,27 @@ class EventCreationHandler(object):
assert not self.config.worker_app
if ratelimit:
- yield self.base_handler.ratelimit(requester)
+ # We check if this is a room admin redacting an event so that we
+ # can apply different ratelimiting. We do this by simply checking
+ # it's not a self-redaction (to avoid having to look up whether the
+ # user is actually admin or not).
+ is_admin_redaction = False
+ if event.type == EventTypes.Redaction:
+ original_event = yield self.store.get_event(
+ event.redacts,
+ check_redacted=False,
+ get_prev_content=False,
+ allow_rejected=False,
+ allow_none=True,
+ )
+
+ is_admin_redaction = (
+ original_event and event.sender != original_event.sender
+ )
+
+ yield self.base_handler.ratelimit(
+ requester, is_admin_redaction=is_admin_redaction
+ )
yield self.base_handler.maybe_kick_guest_users(event, context)
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