378 lines
15 KiB
Python
378 lines
15 KiB
Python
# Copyright 2018, 2019 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest.mock import Mock
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from twisted.internet import defer
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from synapse.api.constants import EventTypes, LimitBlockingTypes, ServerNoticeMsgType
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from synapse.api.errors import ResourceLimitError
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from synapse.rest import admin
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from synapse.rest.client import login, room, sync
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from synapse.server_notices.resource_limits_server_notices import (
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ResourceLimitsServerNotices,
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)
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from tests import unittest
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from tests.test_utils import make_awaitable
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from tests.unittest import override_config
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from tests.utils import default_config
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class TestResourceLimitsServerNotices(unittest.HomeserverTestCase):
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def default_config(self):
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config = default_config("test")
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config.update(
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{
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"admin_contact": "mailto:user@test.com",
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"limit_usage_by_mau": True,
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"server_notices": {
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"system_mxid_localpart": "server",
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"system_mxid_display_name": "test display name",
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"system_mxid_avatar_url": None,
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"room_name": "Server Notices",
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},
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}
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)
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# apply any additional config which was specified via the override_config
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# decorator.
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if self._extra_config is not None:
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config.update(self._extra_config)
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return config
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def prepare(self, reactor, clock, hs):
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self.server_notices_sender = self.hs.get_server_notices_sender()
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# relying on [1] is far from ideal, but the only case where
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# ResourceLimitsServerNotices class needs to be isolated is this test,
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# general code should never have a reason to do so ...
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self._rlsn = self.server_notices_sender._server_notices[1]
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if not isinstance(self._rlsn, ResourceLimitsServerNotices):
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raise Exception("Failed to find reference to ResourceLimitsServerNotices")
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self._rlsn._store.user_last_seen_monthly_active = Mock(
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return_value=make_awaitable(1000)
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)
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self._rlsn._server_notices_manager.send_notice = Mock(
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return_value=defer.succeed(Mock())
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)
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self._send_notice = self._rlsn._server_notices_manager.send_notice
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self.user_id = "@user_id:test"
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self._rlsn._server_notices_manager.get_or_create_notice_room_for_user = Mock(
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return_value=defer.succeed("!something:localhost")
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)
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self._rlsn._store.add_tag_to_room = Mock(return_value=defer.succeed(None))
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self._rlsn._store.get_tags_for_room = Mock(return_value=make_awaitable({}))
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@override_config({"hs_disabled": True})
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def test_maybe_send_server_notice_disabled_hs(self):
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"""If the HS is disabled, we should not send notices"""
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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self._send_notice.assert_not_called()
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@override_config({"limit_usage_by_mau": False})
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def test_maybe_send_server_notice_to_user_flag_off(self):
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"""If mau limiting is disabled, we should not send notices"""
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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self._send_notice.assert_not_called()
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def test_maybe_send_server_notice_to_user_remove_blocked_notice(self):
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"""Test when user has blocked notice, but should have it removed"""
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self._rlsn._auth.check_auth_blocking = Mock(return_value=defer.succeed(None))
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mock_event = Mock(
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type=EventTypes.Message, content={"msgtype": ServerNoticeMsgType}
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)
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self._rlsn._store.get_events = Mock(
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return_value=make_awaitable({"123": mock_event})
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)
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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# Would be better to check the content, but once == remove blocking event
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self._send_notice.assert_called_once()
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def test_maybe_send_server_notice_to_user_remove_blocked_notice_noop(self):
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"""
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Test when user has blocked notice, but notice ought to be there (NOOP)
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"""
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self._rlsn._auth.check_auth_blocking = Mock(
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return_value=defer.succeed(None), side_effect=ResourceLimitError(403, "foo")
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)
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mock_event = Mock(
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type=EventTypes.Message, content={"msgtype": ServerNoticeMsgType}
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)
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self._rlsn._store.get_events = Mock(
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return_value=make_awaitable({"123": mock_event})
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)
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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self._send_notice.assert_not_called()
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def test_maybe_send_server_notice_to_user_add_blocked_notice(self):
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"""
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Test when user does not have blocked notice, but should have one
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"""
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self._rlsn._auth.check_auth_blocking = Mock(
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return_value=defer.succeed(None), side_effect=ResourceLimitError(403, "foo")
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)
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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# Would be better to check contents, but 2 calls == set blocking event
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self.assertEqual(self._send_notice.call_count, 2)
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def test_maybe_send_server_notice_to_user_add_blocked_notice_noop(self):
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"""
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Test when user does not have blocked notice, nor should they (NOOP)
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"""
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self._rlsn._auth.check_auth_blocking = Mock(return_value=defer.succeed(None))
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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self._send_notice.assert_not_called()
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def test_maybe_send_server_notice_to_user_not_in_mau_cohort(self):
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"""
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Test when user is not part of the MAU cohort - this should not ever
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happen - but ...
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"""
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self._rlsn._auth.check_auth_blocking = Mock(return_value=defer.succeed(None))
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self._rlsn._store.user_last_seen_monthly_active = Mock(
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return_value=make_awaitable(None)
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)
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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self._send_notice.assert_not_called()
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@override_config({"mau_limit_alerting": False})
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def test_maybe_send_server_notice_when_alerting_suppressed_room_unblocked(self):
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"""
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Test that when server is over MAU limit and alerting is suppressed, then
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an alert message is not sent into the room
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"""
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self._rlsn._auth.check_auth_blocking = Mock(
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return_value=defer.succeed(None),
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side_effect=ResourceLimitError(
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403, "foo", limit_type=LimitBlockingTypes.MONTHLY_ACTIVE_USER
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),
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)
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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self.assertEqual(self._send_notice.call_count, 0)
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@override_config({"mau_limit_alerting": False})
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def test_check_hs_disabled_unaffected_by_mau_alert_suppression(self):
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"""
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Test that when a server is disabled, that MAU limit alerting is ignored.
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"""
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self._rlsn._auth.check_auth_blocking = Mock(
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return_value=defer.succeed(None),
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side_effect=ResourceLimitError(
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403, "foo", limit_type=LimitBlockingTypes.HS_DISABLED
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),
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)
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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# Would be better to check contents, but 2 calls == set blocking event
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self.assertEqual(self._send_notice.call_count, 2)
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@override_config({"mau_limit_alerting": False})
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def test_maybe_send_server_notice_when_alerting_suppressed_room_blocked(self):
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"""
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When the room is already in a blocked state, test that when alerting
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is suppressed that the room is returned to an unblocked state.
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"""
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self._rlsn._auth.check_auth_blocking = Mock(
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return_value=defer.succeed(None),
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side_effect=ResourceLimitError(
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403, "foo", limit_type=LimitBlockingTypes.MONTHLY_ACTIVE_USER
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),
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)
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self._rlsn._server_notices_manager.__is_room_currently_blocked = Mock(
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return_value=defer.succeed((True, []))
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)
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mock_event = Mock(
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type=EventTypes.Message, content={"msgtype": ServerNoticeMsgType}
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)
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self._rlsn._store.get_events = Mock(
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return_value=make_awaitable({"123": mock_event})
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)
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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self._send_notice.assert_called_once()
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class TestResourceLimitsServerNoticesWithRealRooms(unittest.HomeserverTestCase):
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servlets = [
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admin.register_servlets,
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login.register_servlets,
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room.register_servlets,
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sync.register_servlets,
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]
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def default_config(self):
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c = super().default_config()
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c["server_notices"] = {
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"system_mxid_localpart": "server",
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"system_mxid_display_name": None,
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"system_mxid_avatar_url": None,
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"room_name": "Test Server Notice Room",
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}
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c["limit_usage_by_mau"] = True
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c["max_mau_value"] = 5
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c["admin_contact"] = "mailto:user@test.com"
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return c
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def prepare(self, reactor, clock, hs):
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self.store = self.hs.get_datastore()
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self.server_notices_sender = self.hs.get_server_notices_sender()
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self.server_notices_manager = self.hs.get_server_notices_manager()
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self.event_source = self.hs.get_event_sources()
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# relying on [1] is far from ideal, but the only case where
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# ResourceLimitsServerNotices class needs to be isolated is this test,
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# general code should never have a reason to do so ...
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self._rlsn = self.server_notices_sender._server_notices[1]
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if not isinstance(self._rlsn, ResourceLimitsServerNotices):
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raise Exception("Failed to find reference to ResourceLimitsServerNotices")
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self.user_id = "@user_id:test"
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def test_server_notice_only_sent_once(self):
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self.store.get_monthly_active_count = Mock(return_value=make_awaitable(1000))
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self.store.user_last_seen_monthly_active = Mock(
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return_value=make_awaitable(1000)
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)
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# Call the function multiple times to ensure we only send the notice once
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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self.get_success(self._rlsn.maybe_send_server_notice_to_user(self.user_id))
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# Now lets get the last load of messages in the service notice room and
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# check that there is only one server notice
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room_id = self.get_success(
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self.server_notices_manager.get_or_create_notice_room_for_user(self.user_id)
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)
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token = self.event_source.get_current_token()
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events, _ = self.get_success(
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self.store.get_recent_events_for_room(
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room_id, limit=100, end_token=token.room_key
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)
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)
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count = 0
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for event in events:
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if event.type != EventTypes.Message:
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continue
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if event.content.get("msgtype") != ServerNoticeMsgType:
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continue
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count += 1
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self.assertEqual(count, 1)
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def test_no_invite_without_notice(self):
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"""Tests that a user doesn't get invited to a server notices room without a
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server notice being sent.
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The scenario for this test is a single user on a server where the MAU limit
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hasn't been reached (since it's the only user and the limit is 5), so users
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shouldn't receive a server notice.
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"""
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self.register_user("user", "password")
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tok = self.login("user", "password")
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channel = self.make_request("GET", "/sync?timeout=0", access_token=tok)
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self.assertNotIn(
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"rooms", channel.json_body, "Got invites without server notice"
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)
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def test_invite_with_notice(self):
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"""Tests that, if the MAU limit is hit, the server notices user invites each user
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to a room in which it has sent a notice.
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"""
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user_id, tok, room_id = self._trigger_notice_and_join()
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# Sync again to retrieve the events in the room, so we can check whether this
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# room has a notice in it.
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channel = self.make_request("GET", "/sync?timeout=0", access_token=tok)
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# Scan the events in the room to search for a message from the server notices
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# user.
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events = channel.json_body["rooms"]["join"][room_id]["timeline"]["events"]
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notice_in_room = False
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for event in events:
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if (
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event["type"] == EventTypes.Message
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and event["sender"] == self.hs.config.servernotices.server_notices_mxid
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):
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notice_in_room = True
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self.assertTrue(notice_in_room, "No server notice in room")
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def _trigger_notice_and_join(self):
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"""Creates enough active users to hit the MAU limit and trigger a system notice
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about it, then joins the system notices room with one of the users created.
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Returns:
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user_id (str): The ID of the user that joined the room.
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tok (str): The access token of the user that joined the room.
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room_id (str): The ID of the room that's been joined.
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"""
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user_id = None
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tok = None
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invites = []
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# Register as many users as the MAU limit allows.
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for i in range(self.hs.config.server.max_mau_value):
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localpart = "user%d" % i
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user_id = self.register_user(localpart, "password")
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tok = self.login(localpart, "password")
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# Sync with the user's token to mark the user as active.
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channel = self.make_request(
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"GET",
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"/sync?timeout=0",
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access_token=tok,
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)
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# Also retrieves the list of invites for this user. We don't care about that
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# one except if we're processing the last user, which should have received an
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# invite to a room with a server notice about the MAU limit being reached.
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# We could also pick another user and sync with it, which would return an
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# invite to a system notices room, but it doesn't matter which user we're
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# using so we use the last one because it saves us an extra sync.
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if "rooms" in channel.json_body:
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invites = channel.json_body["rooms"]["invite"]
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# Make sure we have an invite to process.
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self.assertEqual(len(invites), 1, invites)
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# Join the room.
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room_id = list(invites.keys())[0]
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self.helper.join(room=room_id, user=user_id, tok=tok)
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return user_id, tok, room_id
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