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f21e24ffc2
We do it this way round so that only the "owner" can delete the access token (i.e. `/logout/all` by the "owner" also deletes that token, but `/logout/all` by the "target user" doesn't).
A future PR will add an API for creating such a token.
When the target user and authenticated entity are different the `Processed request` log line will be logged with a: `{@admin:server as @bob:server} ...`. I'm not convinced by that format (especially since it adds spaces in there, making it harder to use `cut -d ' '` to chop off the start of log lines). Suggestions welcome.
170 lines
6.5 KiB
Python
170 lines
6.5 KiB
Python
from synapse.api.ratelimiting import LimitExceededError, Ratelimiter
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from synapse.appservice import ApplicationService
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from synapse.types import create_requester
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from tests import unittest
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class TestRatelimiter(unittest.TestCase):
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def test_allowed_via_can_do_action(self):
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limiter = Ratelimiter(clock=None, rate_hz=0.1, burst_count=1)
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allowed, time_allowed = limiter.can_do_action(key="test_id", _time_now_s=0)
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self.assertTrue(allowed)
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self.assertEquals(10.0, time_allowed)
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allowed, time_allowed = limiter.can_do_action(key="test_id", _time_now_s=5)
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self.assertFalse(allowed)
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self.assertEquals(10.0, time_allowed)
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allowed, time_allowed = limiter.can_do_action(key="test_id", _time_now_s=10)
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self.assertTrue(allowed)
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self.assertEquals(20.0, time_allowed)
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def test_allowed_user_via_can_requester_do_action(self):
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user_requester = create_requester("@user:example.com")
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limiter = Ratelimiter(clock=None, rate_hz=0.1, burst_count=1)
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allowed, time_allowed = limiter.can_requester_do_action(
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user_requester, _time_now_s=0
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)
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self.assertTrue(allowed)
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self.assertEquals(10.0, time_allowed)
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allowed, time_allowed = limiter.can_requester_do_action(
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user_requester, _time_now_s=5
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)
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self.assertFalse(allowed)
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self.assertEquals(10.0, time_allowed)
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allowed, time_allowed = limiter.can_requester_do_action(
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user_requester, _time_now_s=10
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)
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self.assertTrue(allowed)
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self.assertEquals(20.0, time_allowed)
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def test_allowed_appservice_ratelimited_via_can_requester_do_action(self):
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appservice = ApplicationService(
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None, "example.com", id="foo", rate_limited=True, sender="@as:example.com",
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)
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as_requester = create_requester("@user:example.com", app_service=appservice)
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limiter = Ratelimiter(clock=None, rate_hz=0.1, burst_count=1)
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allowed, time_allowed = limiter.can_requester_do_action(
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as_requester, _time_now_s=0
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)
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self.assertTrue(allowed)
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self.assertEquals(10.0, time_allowed)
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allowed, time_allowed = limiter.can_requester_do_action(
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as_requester, _time_now_s=5
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)
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self.assertFalse(allowed)
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self.assertEquals(10.0, time_allowed)
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allowed, time_allowed = limiter.can_requester_do_action(
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as_requester, _time_now_s=10
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)
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self.assertTrue(allowed)
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self.assertEquals(20.0, time_allowed)
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def test_allowed_appservice_via_can_requester_do_action(self):
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appservice = ApplicationService(
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None, "example.com", id="foo", rate_limited=False, sender="@as:example.com",
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)
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as_requester = create_requester("@user:example.com", app_service=appservice)
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limiter = Ratelimiter(clock=None, rate_hz=0.1, burst_count=1)
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allowed, time_allowed = limiter.can_requester_do_action(
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as_requester, _time_now_s=0
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)
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self.assertTrue(allowed)
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self.assertEquals(-1, time_allowed)
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allowed, time_allowed = limiter.can_requester_do_action(
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as_requester, _time_now_s=5
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)
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self.assertTrue(allowed)
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self.assertEquals(-1, time_allowed)
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allowed, time_allowed = limiter.can_requester_do_action(
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as_requester, _time_now_s=10
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)
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self.assertTrue(allowed)
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self.assertEquals(-1, time_allowed)
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def test_allowed_via_ratelimit(self):
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limiter = Ratelimiter(clock=None, rate_hz=0.1, burst_count=1)
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# Shouldn't raise
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limiter.ratelimit(key="test_id", _time_now_s=0)
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# Should raise
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with self.assertRaises(LimitExceededError) as context:
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limiter.ratelimit(key="test_id", _time_now_s=5)
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self.assertEqual(context.exception.retry_after_ms, 5000)
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# Shouldn't raise
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limiter.ratelimit(key="test_id", _time_now_s=10)
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def test_allowed_via_can_do_action_and_overriding_parameters(self):
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"""Test that we can override options of can_do_action that would otherwise fail
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an action
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"""
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# Create a Ratelimiter with a very low allowed rate_hz and burst_count
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limiter = Ratelimiter(clock=None, rate_hz=0.1, burst_count=1)
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# First attempt should be allowed
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allowed, time_allowed = limiter.can_do_action(("test_id",), _time_now_s=0,)
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self.assertTrue(allowed)
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self.assertEqual(10.0, time_allowed)
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# Second attempt, 1s later, will fail
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allowed, time_allowed = limiter.can_do_action(("test_id",), _time_now_s=1,)
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self.assertFalse(allowed)
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self.assertEqual(10.0, time_allowed)
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# But, if we allow 10 actions/sec for this request, we should be allowed
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# to continue.
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allowed, time_allowed = limiter.can_do_action(
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("test_id",), _time_now_s=1, rate_hz=10.0
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)
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self.assertTrue(allowed)
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self.assertEqual(1.1, time_allowed)
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# Similarly if we allow a burst of 10 actions
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allowed, time_allowed = limiter.can_do_action(
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("test_id",), _time_now_s=1, burst_count=10
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)
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self.assertTrue(allowed)
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self.assertEqual(1.0, time_allowed)
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def test_allowed_via_ratelimit_and_overriding_parameters(self):
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"""Test that we can override options of the ratelimit method that would otherwise
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fail an action
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"""
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# Create a Ratelimiter with a very low allowed rate_hz and burst_count
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limiter = Ratelimiter(clock=None, rate_hz=0.1, burst_count=1)
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# First attempt should be allowed
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limiter.ratelimit(key=("test_id",), _time_now_s=0)
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# Second attempt, 1s later, will fail
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with self.assertRaises(LimitExceededError) as context:
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limiter.ratelimit(key=("test_id",), _time_now_s=1)
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self.assertEqual(context.exception.retry_after_ms, 9000)
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# But, if we allow 10 actions/sec for this request, we should be allowed
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# to continue.
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limiter.ratelimit(key=("test_id",), _time_now_s=1, rate_hz=10.0)
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# Similarly if we allow a burst of 10 actions
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limiter.ratelimit(key=("test_id",), _time_now_s=1, burst_count=10)
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def test_pruning(self):
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limiter = Ratelimiter(clock=None, rate_hz=0.1, burst_count=1)
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limiter.can_do_action(key="test_id_1", _time_now_s=0)
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self.assertIn("test_id_1", limiter.actions)
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limiter.can_do_action(key="test_id_2", _time_now_s=10)
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self.assertNotIn("test_id_1", limiter.actions)
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