from mock import Mock from twisted.internet.defer import ensureDeferred, maybeDeferred, succeed from synapse.events import make_event_from_dict from synapse.logging.context import LoggingContext from synapse.types import Requester, UserID from synapse.util import Clock from synapse.util.retryutils import NotRetryingDestination from tests import unittest from tests.server import ThreadedMemoryReactorClock, setup_test_homeserver class MessageAcceptTests(unittest.HomeserverTestCase): def setUp(self): self.http_client = Mock() self.reactor = ThreadedMemoryReactorClock() self.hs_clock = Clock(self.reactor) self.homeserver = setup_test_homeserver( self.addCleanup, http_client=self.http_client, clock=self.hs_clock, reactor=self.reactor, ) user_id = UserID("us", "test") our_user = Requester(user_id, None, False, None, None) room_creator = self.homeserver.get_room_creation_handler() room_deferred = ensureDeferred( room_creator.create_room( our_user, room_creator._presets_dict["public_chat"], ratelimit=False ) ) self.reactor.advance(0.1) self.room_id = self.successResultOf(room_deferred)[0]["room_id"] self.store = self.homeserver.get_datastore() # Figure out what the most recent event is most_recent = self.successResultOf( maybeDeferred( self.homeserver.get_datastore().get_latest_event_ids_in_room, self.room_id, ) )[0] join_event = make_event_from_dict( { "room_id": self.room_id, "sender": "@baduser:test.serv", "state_key": "@baduser:test.serv", "event_id": "$join:test.serv", "depth": 1000, "origin_server_ts": 1, "type": "m.room.member", "origin": "test.servx", "content": {"membership": "join"}, "auth_events": [], "prev_state": [(most_recent, {})], "prev_events": [(most_recent, {})], } ) self.handler = self.homeserver.get_handlers().federation_handler self.handler.do_auth = lambda origin, event, context, auth_events: succeed( context ) self.client = self.homeserver.get_federation_client() self.client._check_sigs_and_hash_and_fetch = lambda dest, pdus, **k: succeed( pdus ) # Send the join, it should return None (which is not an error) d = ensureDeferred( self.handler.on_receive_pdu( "test.serv", join_event, sent_to_us_directly=True ) ) self.reactor.advance(1) self.assertEqual(self.successResultOf(d), None) # Make sure we actually joined the room self.assertEqual( self.successResultOf( maybeDeferred(self.store.get_latest_event_ids_in_room, self.room_id) )[0], "$join:test.serv", ) def test_cant_hide_direct_ancestors(self): """ If you send a message, you must be able to provide the direct prev_events that said event references. """ async def post_json(destination, path, data, headers=None, timeout=0): # If it asks us for new missing events, give them NOTHING if path.startswith("/_matrix/federation/v1/get_missing_events/"): return {"events": []} self.http_client.post_json = post_json # Figure out what the most recent event is most_recent = self.successResultOf( maybeDeferred(self.store.get_latest_event_ids_in_room, self.room_id) )[0] # Now lie about an event lying_event = make_event_from_dict( { "room_id": self.room_id, "sender": "@baduser:test.serv", "event_id": "one:test.serv", "depth": 1000, "origin_server_ts": 1, "type": "m.room.message", "origin": "test.serv", "content": {"body": "hewwo?"}, "auth_events": [], "prev_events": [("two:test.serv", {}), (most_recent, {})], } ) with LoggingContext(request="lying_event"): d = ensureDeferred( self.handler.on_receive_pdu( "test.serv", lying_event, sent_to_us_directly=True ) ) # Step the reactor, so the database fetches come back self.reactor.advance(1) # on_receive_pdu should throw an error failure = self.failureResultOf(d) self.assertEqual( failure.value.args[0], ( "ERROR 403: Your server isn't divulging details about prev_events " "referenced in this event." ), ) # Make sure the invalid event isn't there extrem = maybeDeferred(self.store.get_latest_event_ids_in_room, self.room_id) self.assertEqual(self.successResultOf(extrem)[0], "$join:test.serv") def test_retry_device_list_resync(self): """Tests that device lists are marked as stale if they couldn't be synced, and that stale device lists are retried periodically. """ remote_user_id = "@john:test_remote" remote_origin = "test_remote" # Track the number of attempts to resync the user's device list. self.resync_attempts = 0 # When this function is called, increment the number of resync attempts (only if # we're querying devices for the right user ID), then raise a # NotRetryingDestination error to fail the resync gracefully. def query_user_devices(destination, user_id): if user_id == remote_user_id: self.resync_attempts += 1 raise NotRetryingDestination(0, 0, destination) # Register the mock on the federation client. federation_client = self.homeserver.get_federation_client() federation_client.query_user_devices = Mock(side_effect=query_user_devices) # Register a mock on the store so that the incoming update doesn't fail because # we don't share a room with the user. store = self.homeserver.get_datastore() store.get_rooms_for_user = Mock(return_value=succeed(["!someroom:test"])) # Manually inject a fake device list update. We need this update to include at # least one prev_id so that the user's device list will need to be retried. device_list_updater = self.homeserver.get_device_handler().device_list_updater self.get_success( device_list_updater.incoming_device_list_update( origin=remote_origin, edu_content={ "deleted": False, "device_display_name": "Mobile", "device_id": "QBUAZIFURK", "prev_id": [5], "stream_id": 6, "user_id": remote_user_id, }, ) ) # Check that there was one resync attempt. self.assertEqual(self.resync_attempts, 1) # Check that the resync attempt failed and caused the user's device list to be # marked as stale. need_resync = self.get_success( store.get_user_ids_requiring_device_list_resync() ) self.assertIn(remote_user_id, need_resync) # Check that waiting for 30 seconds caused Synapse to retry resyncing the device # list. self.reactor.advance(30) self.assertEqual(self.resync_attempts, 2) def test_cross_signing_keys_retry(self): """Tests that resyncing a device list correctly processes cross-signing keys from the remote server. """ remote_user_id = "@john:test_remote" remote_master_key = "85T7JXPFBAySB/jwby4S3lBPTqY3+Zg53nYuGmu1ggY" remote_self_signing_key = "QeIiFEjluPBtI7WQdG365QKZcFs9kqmHir6RBD0//nQ" # Register mock device list retrieval on the federation client. federation_client = self.homeserver.get_federation_client() federation_client.query_user_devices = Mock( return_value=succeed( { "user_id": remote_user_id, "stream_id": 1, "devices": [], "master_key": { "user_id": remote_user_id, "usage": ["master"], "keys": {"ed25519:" + remote_master_key: remote_master_key}, }, "self_signing_key": { "user_id": remote_user_id, "usage": ["self_signing"], "keys": { "ed25519:" + remote_self_signing_key: remote_self_signing_key }, }, } ) ) # Resync the device list. device_handler = self.homeserver.get_device_handler() self.get_success( device_handler.device_list_updater.user_device_resync(remote_user_id), ) # Retrieve the cross-signing keys for this user. keys = self.get_success( self.store.get_e2e_cross_signing_keys_bulk(user_ids=[remote_user_id]), ) self.assertTrue(remote_user_id in keys) # Check that the master key is the one returned by the mock. master_key = keys[remote_user_id]["master"] self.assertEqual(len(master_key["keys"]), 1) self.assertTrue("ed25519:" + remote_master_key in master_key["keys"].keys()) self.assertTrue(remote_master_key in master_key["keys"].values()) # Check that the self-signing key is the one returned by the mock. self_signing_key = keys[remote_user_id]["self_signing"] self.assertEqual(len(self_signing_key["keys"]), 1) self.assertTrue( "ed25519:" + remote_self_signing_key in self_signing_key["keys"].keys(), ) self.assertTrue(remote_self_signing_key in self_signing_key["keys"].values())