# # This file is licensed under the Affero General Public License (AGPL) version 3. # # Copyright 2020 The Matrix.org Foundation C.I.C. # Copyright (C) 2023 New Vector, Ltd # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as # published by the Free Software Foundation, either version 3 of the # License, or (at your option) any later version. # # See the GNU Affero General Public License for more details: # <https://www.gnu.org/licenses/agpl-3.0.html>. # # Originally licensed under the Apache License, Version 2.0: # <http://www.apache.org/licenses/LICENSE-2.0>. # # [This file includes modifications made by New Vector Limited] # # import logging from twisted.test.proto_helpers import MemoryReactor from synapse.api.constants import ReceiptTypes from synapse.rest import admin from synapse.rest.client import login, receipts, room, sync from synapse.server import HomeServer from synapse.storage.util.id_generators import MultiWriterIdGenerator from synapse.types import StreamToken from synapse.util import Clock from tests.replication._base import BaseMultiWorkerStreamTestCase from tests.server import make_request logger = logging.getLogger(__name__) class ReceiptsShardTestCase(BaseMultiWorkerStreamTestCase): """Checks receipts sharding works""" servlets = [ admin.register_servlets_for_client_rest_resource, room.register_servlets, login.register_servlets, sync.register_servlets, receipts.register_servlets, ] def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None: # Register a user who sends a message that we'll get notified about self.other_user_id = self.register_user("otheruser", "pass") self.other_access_token = self.login("otheruser", "pass") self.room_creator = self.hs.get_room_creation_handler() self.store = hs.get_datastores().main def default_config(self) -> dict: conf = super().default_config() conf["stream_writers"] = {"receipts": ["worker1", "worker2"]} conf["instance_map"] = { "main": {"host": "testserv", "port": 8765}, "worker1": {"host": "testserv", "port": 1001}, "worker2": {"host": "testserv", "port": 1002}, } return conf def test_basic(self) -> None: """Simple test to ensure that receipts can be sent on multiple workers. """ worker1 = self.make_worker_hs( "synapse.app.generic_worker", {"worker_name": "worker1"}, ) worker1_site = self._hs_to_site[worker1] worker2 = self.make_worker_hs( "synapse.app.generic_worker", {"worker_name": "worker2"}, ) worker2_site = self._hs_to_site[worker2] user_id = self.register_user("user", "pass") access_token = self.login("user", "pass") # Create a room room_id = self.helper.create_room_as(user_id, tok=access_token) # The other user joins self.helper.join( room=room_id, user=self.other_user_id, tok=self.other_access_token ) # First user sends a message, the other users sends a receipt. response = self.helper.send(room_id, body="Hi!", tok=self.other_access_token) event_id = response["event_id"] channel = make_request( reactor=self.reactor, site=worker1_site, method="POST", path=f"/rooms/{room_id}/receipt/{ReceiptTypes.READ}/{event_id}", access_token=access_token, content={}, ) self.assertEqual(200, channel.code) # Now we do it again using the second worker response = self.helper.send(room_id, body="Hi!", tok=self.other_access_token) event_id = response["event_id"] channel = make_request( reactor=self.reactor, site=worker2_site, method="POST", path=f"/rooms/{room_id}/receipt/{ReceiptTypes.READ}/{event_id}", access_token=access_token, content={}, ) self.assertEqual(200, channel.code) def test_vector_clock_token(self) -> None: """Tests that using a stream token with a vector clock component works correctly with basic /sync usage. """ worker_hs1 = self.make_worker_hs( "synapse.app.generic_worker", {"worker_name": "worker1"}, ) worker1_site = self._hs_to_site[worker_hs1] worker_hs2 = self.make_worker_hs( "synapse.app.generic_worker", {"worker_name": "worker2"}, ) worker2_site = self._hs_to_site[worker_hs2] sync_hs = self.make_worker_hs( "synapse.app.generic_worker", {"worker_name": "sync"}, ) sync_hs_site = self._hs_to_site[sync_hs] user_id = self.register_user("user", "pass") access_token = self.login("user", "pass") store = self.hs.get_datastores().main room_id = self.helper.create_room_as(user_id, tok=access_token) # The other user joins self.helper.join( room=room_id, user=self.other_user_id, tok=self.other_access_token ) response = self.helper.send(room_id, body="Hi!", tok=self.other_access_token) first_event = response["event_id"] # Do an initial sync so that we're up to date. channel = make_request( self.reactor, sync_hs_site, "GET", "/sync", access_token=access_token ) next_batch = channel.json_body["next_batch"] # We now gut wrench into the events stream MultiWriterIdGenerator on # worker2 to mimic it getting stuck persisting a receipt. This ensures # that when we send an event on worker1 we end up in a state where # worker2 events stream position lags that on worker1, resulting in a # receipts token with a non-empty instance map component. # # Worker2's receipts stream position will not advance until we call # __aexit__ again. worker_store2 = worker_hs2.get_datastores().main assert isinstance(worker_store2._receipts_id_gen, MultiWriterIdGenerator) actx = worker_store2._receipts_id_gen.get_next() self.get_success(actx.__aenter__()) channel = make_request( reactor=self.reactor, site=worker1_site, method="POST", path=f"/rooms/{room_id}/receipt/{ReceiptTypes.READ}/{first_event}", access_token=access_token, content={}, ) self.assertEqual(200, channel.code) # Assert that the current stream token has an instance map component, as # we are trying to test vector clock tokens. receipts_token = store.get_max_receipt_stream_id() self.assertGreater(len(receipts_token.instance_map), 0) # Check that syncing still gets the new receipt, despite the gap in the # stream IDs. channel = make_request( self.reactor, sync_hs_site, "GET", f"/sync?since={next_batch}", access_token=access_token, ) # We should only see the new event and nothing else self.assertIn(room_id, channel.json_body["rooms"]["join"]) events = channel.json_body["rooms"]["join"][room_id]["ephemeral"]["events"] self.assertEqual(len(events), 1) self.assertIn(first_event, events[0]["content"]) # Get the next batch and makes sure its a vector clock style token. vector_clock_token = channel.json_body["next_batch"] parsed_token = self.get_success( StreamToken.from_string(store, vector_clock_token) ) self.assertGreaterEqual(len(parsed_token.receipt_key.instance_map), 1) # Now that we've got a vector clock token we finish the fake persisting # a receipt we started above. self.get_success(actx.__aexit__(None, None, None)) # Now try and send another receipts to the other worker. response = self.helper.send(room_id, body="Hi!", tok=self.other_access_token) second_event = response["event_id"] channel = make_request( reactor=self.reactor, site=worker2_site, method="POST", path=f"/rooms/{room_id}/receipt/{ReceiptTypes.READ}/{second_event}", access_token=access_token, content={}, ) channel = make_request( self.reactor, sync_hs_site, "GET", f"/sync?since={vector_clock_token}", access_token=access_token, ) self.assertIn(room_id, channel.json_body["rooms"]["join"]) events = channel.json_body["rooms"]["join"][room_id]["ephemeral"]["events"] self.assertEqual(len(events), 1) self.assertIn(second_event, events[0]["content"])