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Make RateLimiter class check for ratelimit overrides (#9711)

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This should fix a class of bug where we forget to check if e.g. the appservice shouldn't be ratelimited.

We also check the `ratelimit_override` table to check if the user has ratelimiting disabled. That table is really only meant to override the event sender ratelimiting, so we don't use any values from it (as they might not make sense for different rate limits), but we do infer that if ratelimiting is disabled for the user we should disabled all ratelimits.

Fixes #9663
This commit is contained in:
Erik Johnston 2021-03-30 12:06:09 +01:00 • committed by GitHub
parent 3a446c21f8
commit 963f4309fe
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16 changed files with 241 additions and 154 deletions
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6
synapse/handlers/register.py
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@ -204,7 +204,7 @@ class RegistrationHandler(BaseHandler):
Raises:
SynapseError if there was a problem registering.
"""
self.check_registration_ratelimit(address)
await self.check_registration_ratelimit(address)
result = await self.spam_checker.check_registration_for_spam(
threepid,
@ -583,7 +583,7 @@ class RegistrationHandler(BaseHandler):
errcode=Codes.EXCLUSIVE,
)
def check_registration_ratelimit(self, address: Optional[str]) -> None:
async def check_registration_ratelimit(self, address: Optional[str]) -> None:
"""A simple helper method to check whether the registration rate limit has been hit
for a given IP address
@ -597,7 +597,7 @@ class RegistrationHandler(BaseHandler):
if not address:
return
self.ratelimiter.ratelimit(address)
await self.ratelimiter.ratelimit(None, address)
async def register_with_store(
self,