Add rate-limiting on registration (#4735)

* Rate-limiting for registration

* Add unit test for registration rate limiting

* Add config parameters for rate limiting on auth endpoints

* Doc

* Fix doc of rate limiting function

Co-Authored-By: babolivier <contact@brendanabolivier.com>

* Incorporate review

* Fix config parsing

* Fix linting errors

* Set default config for auth rate limiting

* Fix tests

* Add changelog

* Advance reactor instead of mocked clock

* Move parameters to registration specific config and give them more sensible default values

* Remove unused config options

* Don't mock the rate limiter un MAU tests

* Rename _register_with_store into register_with_store

* Make CI happy

* Remove unused import

* Update sample config

* Fix ratelimiting test for py2

* Add non-guest test

3 files changed, 7 insertions, 7 deletions

diff --git a/tests/rest/client/v1/test_events.py b/tests/rest/client/v1/test_events.py

index 483bebc832..36d8547275 100644
--- a/tests/rest/client/v1/test_events.py
+++ b/tests/rest/client/v1/test_events.py
@@ -40,10 +40,10 @@ class EventStreamPermissionsTestCase(unittest.HomeserverTestCase):
         config.auto_join_rooms = []
 
         hs = self.setup_test_homeserver(
-            config=config, ratelimiter=NonCallableMock(spec_set=["send_message"])
+            config=config, ratelimiter=NonCallableMock(spec_set=["can_do_action"])
         )
         self.ratelimiter = hs.get_ratelimiter()
-        self.ratelimiter.send_message.return_value = (True, 0)
+        self.ratelimiter.can_do_action.return_value = (True, 0)
 
         hs.get_handlers().federation_handler = Mock()
 
diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py

index a824be9a62..015c144248 100644
--- a/tests/rest/client/v1/test_rooms.py
+++ b/tests/rest/client/v1/test_rooms.py
@@ -41,10 +41,10 @@ class RoomBase(unittest.HomeserverTestCase):
             "red",
             http_client=None,
             federation_client=Mock(),
-            ratelimiter=NonCallableMock(spec_set=["send_message"]),
+            ratelimiter=NonCallableMock(spec_set=["can_do_action"]),
         )
         self.ratelimiter = self.hs.get_ratelimiter()
-        self.ratelimiter.send_message.return_value = (True, 0)
+        self.ratelimiter.can_do_action.return_value = (True, 0)
 
         self.hs.get_federation_handler = Mock(return_value=Mock())
 
@@ -96,7 +96,7 @@ class RoomPermissionsTestCase(RoomBase):
         # auth as user_id now
         self.helper.auth_user_id = self.user_id
 
-    def test_send_message(self):
+    def test_can_do_action(self):
         msg_content = b'{"msgtype":"m.text","body":"hello"}'
 
         seq = iter(range(100))
diff --git a/tests/rest/client/v1/test_typing.py b/tests/rest/client/v1/test_typing.py

index 0ad814c5e5..30fb77bac8 100644
--- a/tests/rest/client/v1/test_typing.py
+++ b/tests/rest/client/v1/test_typing.py
@@ -42,13 +42,13 @@ class RoomTypingTestCase(unittest.HomeserverTestCase):
             "red",
             http_client=None,
             federation_client=Mock(),
-            ratelimiter=NonCallableMock(spec_set=["send_message"]),
+            ratelimiter=NonCallableMock(spec_set=["can_do_action"]),
         )
 
         self.event_source = hs.get_event_sources().sources["typing"]
 
         self.ratelimiter = hs.get_ratelimiter()
-        self.ratelimiter.send_message.return_value = (True, 0)
+        self.ratelimiter.can_do_action.return_value = (True, 0)
 
         hs.get_handlers().federation_handler = Mock()