From 74b1d46ad9ae692774f2e9d71cbbe1cea91b4070 Mon Sep 17 00:00:00 2001 From: Neil Johnson Date: Thu, 2 Aug 2018 16:57:35 +0100 Subject: [PATCH] do mau checks based on monthly_active_users table --- synapse/api/auth.py | 13 ++++++ synapse/handlers/auth.py | 10 ++--- synapse/handlers/register.py | 10 ++--- synapse/storage/client_ips.py | 15 +++---- tests/api/test_auth.py | 31 +++++++++++++- tests/handlers/test_auth.py | 8 ++-- tests/handlers/test_register.py | 71 ++++++++++++++++----------------- 7 files changed, 97 insertions(+), 61 deletions(-) diff --git a/synapse/api/auth.py b/synapse/api/auth.py index d8022bcf8..943a48833 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -773,3 +773,16 @@ class Auth(object): raise AuthError( 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN ) + + @defer.inlineCallbacks + def check_auth_blocking(self, error): + """Checks if the user should be rejected for some external reason, + such as monthly active user limiting or global disable flag + Args: + error (Error): The error that should be raised if user is to be + blocked + """ + if self.hs.config.limit_usage_by_mau is True: + current_mau = yield self.store.get_monthly_active_count() + if current_mau >= self.hs.config.max_mau_value: + raise error diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py index 184eef09d..8f9cff92e 100644 --- a/synapse/handlers/auth.py +++ b/synapse/handlers/auth.py @@ -913,12 +913,10 @@ class AuthHandler(BaseHandler): Ensure that if mau blocking is enabled that invalid users cannot log in. """ - if self.hs.config.limit_usage_by_mau is True: - current_mau = yield self.store.count_monthly_users() - if current_mau >= self.hs.config.max_mau_value: - raise AuthError( - 403, "MAU Limit Exceeded", errcode=Codes.MAU_LIMIT_EXCEEDED - ) + error = AuthError( + 403, "Monthly Active User limits exceeded", errcode=Codes.MAU_LIMIT_EXCEEDED + ) + yield self.auth.check_auth_blocking(error) @attr.s diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index 289704b24..706ed8c29 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -540,9 +540,7 @@ class RegistrationHandler(BaseHandler): Do not accept registrations if monthly active user limits exceeded and limiting is enabled """ - if self.hs.config.limit_usage_by_mau is True: - current_mau = yield self.store.count_monthly_users() - if current_mau >= self.hs.config.max_mau_value: - raise RegistrationError( - 403, "MAU Limit Exceeded", Codes.MAU_LIMIT_EXCEEDED - ) + error = RegistrationError( + 403, "Monthly Active User limits exceeded", errcode=Codes.MAU_LIMIT_EXCEEDED + ) + yield self.auth.check_auth_blocking(error) diff --git a/synapse/storage/client_ips.py b/synapse/storage/client_ips.py index 506915a1e..83d64d156 100644 --- a/synapse/storage/client_ips.py +++ b/synapse/storage/client_ips.py @@ -97,21 +97,22 @@ class ClientIpStore(background_updates.BackgroundUpdateStore): @defer.inlineCallbacks def _populate_monthly_active_users(self, user_id): + """Checks on the state of monthly active user limits and optionally + add the user to the monthly active tables + + Args: + user_id(str): the user_id to query + """ + store = self.hs.get_datastore() - print "entering _populate_monthly_active_users" if self.hs.config.limit_usage_by_mau: - print "self.hs.config.limit_usage_by_mau is TRUE" is_user_monthly_active = yield store.is_user_monthly_active(user_id) - print "is_user_monthly_active is %r" % is_user_monthly_active if is_user_monthly_active: yield store.upsert_monthly_active_user(user_id) else: count = yield store.get_monthly_active_count() - print "count is %d" % count if count < self.hs.config.max_mau_value: - print "count is less than self.hs.config.max_mau_value " - res = yield store.upsert_monthly_active_user(user_id) - print "upsert response is %r" % res + yield store.upsert_monthly_active_user(user_id) def _update_client_ips_batch(self): def update(): diff --git a/tests/api/test_auth.py b/tests/api/test_auth.py index a82d737e7..54bdf2866 100644 --- a/tests/api/test_auth.py +++ b/tests/api/test_auth.py @@ -21,7 +21,7 @@ from twisted.internet import defer import synapse.handlers.auth from synapse.api.auth import Auth -from synapse.api.errors import AuthError +from synapse.api.errors import AuthError, Codes from synapse.types import UserID from tests import unittest @@ -444,3 +444,32 @@ class AuthTestCase(unittest.TestCase): self.assertEqual("Guest access token used for regular user", cm.exception.msg) self.store.get_user_by_id.assert_called_with(USER_ID) + + @defer.inlineCallbacks + def test_blocking_mau(self): + self.hs.config.limit_usage_by_mau = False + self.hs.config.max_mau_value = 50 + lots_of_users = 100 + small_number_of_users = 1 + + error = AuthError( + 403, "MAU Limit Exceeded", errcode=Codes.MAU_LIMIT_EXCEEDED + ) + + # Ensure no error thrown + yield self.auth.check_auth_blocking(error) + + self.hs.config.limit_usage_by_mau = True + + self.store.get_monthly_active_count = Mock( + return_value=defer.succeed(lots_of_users) + ) + + with self.assertRaises(AuthError): + yield self.auth.check_auth_blocking(error) + + # Ensure does not throw an error + self.store.get_monthly_active_count = Mock( + return_value=defer.succeed(small_number_of_users) + ) + yield self.auth.check_auth_blocking(error) diff --git a/tests/handlers/test_auth.py b/tests/handlers/test_auth.py index 55eab9e9c..8a9bf2d5f 100644 --- a/tests/handlers/test_auth.py +++ b/tests/handlers/test_auth.py @@ -132,14 +132,14 @@ class AuthTestCase(unittest.TestCase): @defer.inlineCallbacks def test_mau_limits_exceeded(self): self.hs.config.limit_usage_by_mau = True - self.hs.get_datastore().count_monthly_users = Mock( + self.hs.get_datastore().get_monthly_active_count = Mock( return_value=defer.succeed(self.large_number_of_users) ) with self.assertRaises(AuthError): yield self.auth_handler.get_access_token_for_user_id('user_a') - self.hs.get_datastore().count_monthly_users = Mock( + self.hs.get_datastore().get_monthly_active_count = Mock( return_value=defer.succeed(self.large_number_of_users) ) with self.assertRaises(AuthError): @@ -151,13 +151,13 @@ class AuthTestCase(unittest.TestCase): def test_mau_limits_not_exceeded(self): self.hs.config.limit_usage_by_mau = True - self.hs.get_datastore().count_monthly_users = Mock( + self.hs.get_datastore().get_monthly_active_count = Mock( return_value=defer.succeed(self.small_number_of_users) ) # Ensure does not raise exception yield self.auth_handler.get_access_token_for_user_id('user_a') - self.hs.get_datastore().count_monthly_users = Mock( + self.hs.get_datastore().get_monthly_active_count = Mock( return_value=defer.succeed(self.small_number_of_users) ) yield self.auth_handler.validate_short_term_login_token_and_get_user_id( diff --git a/tests/handlers/test_register.py b/tests/handlers/test_register.py index 0937d71cf..6b5b8b377 100644 --- a/tests/handlers/test_register.py +++ b/tests/handlers/test_register.py @@ -50,6 +50,10 @@ class RegistrationTestCase(unittest.TestCase): self.hs.get_macaroon_generator = Mock(return_value=self.macaroon_generator) self.hs.handlers = RegistrationHandlers(self.hs) self.handler = self.hs.get_handlers().registration_handler + self.store = self.hs.get_datastore() + self.hs.config.max_mau_value = 50 + self.lots_of_users = 100 + self.small_number_of_users = 1 @defer.inlineCallbacks def test_user_is_created_and_logged_in_if_doesnt_exist(self): @@ -80,51 +84,44 @@ class RegistrationTestCase(unittest.TestCase): self.assertEquals(result_token, 'secret') @defer.inlineCallbacks - def test_cannot_register_when_mau_limits_exceeded(self): - local_part = "someone" - display_name = "someone" - requester = create_requester("@as:test") - store = self.hs.get_datastore() + def test_mau_limits_when_disabled(self): self.hs.config.limit_usage_by_mau = False - self.hs.config.max_mau_value = 50 - lots_of_users = 100 - small_number_users = 1 - - store.count_monthly_users = Mock(return_value=defer.succeed(lots_of_users)) - # Ensure does not throw exception - yield self.handler.get_or_create_user(requester, 'a', display_name) + yield self.handler.get_or_create_user("requester", 'a', "display_name") + @defer.inlineCallbacks + def test_get_or_create_user_mau_not_blocked(self): self.hs.config.limit_usage_by_mau = True - - with self.assertRaises(RegistrationError): - yield self.handler.get_or_create_user(requester, 'b', display_name) - - store.count_monthly_users = Mock(return_value=defer.succeed(small_number_users)) - - self._macaroon_mock_generator("another_secret") - + self.store.count_monthly_users = Mock( + return_value=defer.succeed(self.small_number_of_users) + ) # Ensure does not throw exception - yield self.handler.get_or_create_user("@neil:matrix.org", 'c', "Neil") + yield self.handler.get_or_create_user("@user:server", 'c', "User") - self._macaroon_mock_generator("another another secret") - store.count_monthly_users = Mock(return_value=defer.succeed(lots_of_users)) + @defer.inlineCallbacks + def test_get_or_create_user_mau_blocked(self): + self.hs.config.limit_usage_by_mau = True + self.store.get_monthly_active_count = Mock( + return_value=defer.succeed(self.lots_of_users) + ) with self.assertRaises(RegistrationError): - yield self.handler.register(localpart=local_part) - - self._macaroon_mock_generator("another another secret") - store.count_monthly_users = Mock(return_value=defer.succeed(lots_of_users)) + yield self.handler.get_or_create_user("requester", 'b', "display_name") + @defer.inlineCallbacks + def test_register_mau_blocked(self): + self.hs.config.limit_usage_by_mau = True + self.store.get_monthly_active_count = Mock( + return_value=defer.succeed(self.lots_of_users) + ) with self.assertRaises(RegistrationError): - yield self.handler.register_saml2(local_part) + yield self.handler.register(localpart="local_part") - def _macaroon_mock_generator(self, secret): - """ - Reset macaroon generator in the case where the test creates multiple users - """ - macaroon_generator = Mock( - generate_access_token=Mock(return_value=secret)) - self.hs.get_macaroon_generator = Mock(return_value=macaroon_generator) - self.hs.handlers = RegistrationHandlers(self.hs) - self.handler = self.hs.get_handlers().registration_handler + @defer.inlineCallbacks + def test_register_saml2_mau_blocked(self): + self.hs.config.limit_usage_by_mau = True + self.store.get_monthly_active_count = Mock( + return_value=defer.succeed(self.lots_of_users) + ) + with self.assertRaises(RegistrationError): + yield self.handler.register_saml2(localpart="local_part")