Mateusz Mandera 1901775383 email_mirror: Add realm-based rate limiting. ... Closes #2420 We add rate limiting (max X emails withing Y seconds per realm) to the email mirror. By creating RateLimitedRealmMirror class, inheriting from RateLimitedObject, and rate_limit_mirror_by_realm function, following a mechanism used by rate_limit_user, we're able to have this implementation mostly rely on the already existing, and proven over time, rate_limiter.py code. The rules are configurable in settings.py in RATE_LIMITING_MIRROR_REALM_RULES, analogically to RATE_LIMITING_RULES. Rate limit verification happens in the MirrorWorker in queue_processors.py. We don't rate limit missed message emails, as due to using one time addresses, they're not a spam threat. test_mirror_worker is adapted to the altered MirrorWorker code and a new test - test_mirror_worker_rate_limiting is added in test_queue_worker.py to provide coverage for these changes.		2019-03-18 11:16:58 -07:00
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__init__.py	…
queue_processors.py	email_mirror: Add realm-based rate limiting.	2019-03-18 11:16:58 -07:00