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Don't process /send requests for users who have hit their ratelimit (#13134)

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Shay 2022-06-30 09:22:40 -07:00 committed by GitHub
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commit 046a6513bc
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changelog.d/13134.misc Normal file
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@ -0,0 +1 @@
Apply ratelimiting earlier in processing of /send request.

3
synapse/handlers/message.py
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@ -903,6 +903,9 @@ class EventCreationHandler:
await self.clock.sleep(random.randint(1, 10))
raise ShadowBanError()
if ratelimit:
await self.request_ratelimiter.ratelimit(requester, update=False)
# We limit the number of concurrent event sends in a room so that we
# don't fork the DAG too much. If we don't limit then we can end up in
# a situation where event persistence can't keep up, causing