273 lines
11 KiB
Python
273 lines
11 KiB
Python
# Copyright 2020 The Matrix.org Foundation C.I.C.
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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.defer import succeed
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from synapse.api.errors import FederationError
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from synapse.events import make_event_from_dict
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from synapse.logging.context import LoggingContext
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from synapse.types import UserID, create_requester
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from synapse.util import Clock
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from synapse.util.retryutils import NotRetryingDestination
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from tests import unittest
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from tests.server import ThreadedMemoryReactorClock, setup_test_homeserver
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from tests.test_utils import make_awaitable
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class MessageAcceptTests(unittest.HomeserverTestCase):
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def setUp(self):
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self.http_client = Mock()
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self.reactor = ThreadedMemoryReactorClock()
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self.hs_clock = Clock(self.reactor)
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self.homeserver = setup_test_homeserver(
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self.addCleanup,
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federation_http_client=self.http_client,
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clock=self.hs_clock,
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reactor=self.reactor,
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)
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user_id = UserID("us", "test")
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our_user = create_requester(user_id)
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room_creator = self.homeserver.get_room_creation_handler()
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self.room_id = self.get_success(
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room_creator.create_room(
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our_user, room_creator._presets_dict["public_chat"], ratelimit=False
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)
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)[0]["room_id"]
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self.store = self.homeserver.get_datastore()
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# Figure out what the most recent event is
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most_recent = self.get_success(
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self.homeserver.get_datastore().get_latest_event_ids_in_room(self.room_id)
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)[0]
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join_event = make_event_from_dict(
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{
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"room_id": self.room_id,
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"sender": "@baduser:test.serv",
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"state_key": "@baduser:test.serv",
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"event_id": "$join:test.serv",
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"depth": 1000,
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"origin_server_ts": 1,
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"type": "m.room.member",
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"origin": "test.servx",
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"content": {"membership": "join"},
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"auth_events": [],
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"prev_state": [(most_recent, {})],
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"prev_events": [(most_recent, {})],
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}
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)
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self.handler = self.homeserver.get_federation_handler()
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federation_event_handler = self.homeserver.get_federation_event_handler()
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federation_event_handler._check_event_auth = lambda origin, event, context, state, claimed_auth_event_map, backfilled: succeed(
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context
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)
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self.client = self.homeserver.get_federation_client()
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self.client._check_sigs_and_hash_and_fetch = lambda dest, pdus, **k: succeed(
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pdus
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)
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# Send the join, it should return None (which is not an error)
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self.assertEqual(
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self.get_success(
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federation_event_handler.on_receive_pdu("test.serv", join_event)
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),
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None,
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)
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# Make sure we actually joined the room
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self.assertEqual(
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self.get_success(self.store.get_latest_event_ids_in_room(self.room_id))[0],
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"$join:test.serv",
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)
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def test_cant_hide_direct_ancestors(self):
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"""
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If you send a message, you must be able to provide the direct
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prev_events that said event references.
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"""
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async def post_json(destination, path, data, headers=None, timeout=0):
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# If it asks us for new missing events, give them NOTHING
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if path.startswith("/_matrix/federation/v1/get_missing_events/"):
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return {"events": []}
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self.http_client.post_json = post_json
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# Figure out what the most recent event is
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most_recent = self.get_success(
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self.store.get_latest_event_ids_in_room(self.room_id)
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)[0]
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# Now lie about an event
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lying_event = make_event_from_dict(
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{
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"room_id": self.room_id,
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"sender": "@baduser:test.serv",
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"event_id": "one:test.serv",
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"depth": 1000,
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"origin_server_ts": 1,
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"type": "m.room.message",
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"origin": "test.serv",
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"content": {"body": "hewwo?"},
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"auth_events": [],
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"prev_events": [("two:test.serv", {}), (most_recent, {})],
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}
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)
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federation_event_handler = self.homeserver.get_federation_event_handler()
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with LoggingContext("test-context"):
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failure = self.get_failure(
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federation_event_handler.on_receive_pdu("test.serv", lying_event),
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FederationError,
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)
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# on_receive_pdu should throw an error
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self.assertEqual(
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failure.value.args[0],
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(
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"ERROR 403: Your server isn't divulging details about prev_events "
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"referenced in this event."
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),
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)
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# Make sure the invalid event isn't there
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extrem = self.get_success(self.store.get_latest_event_ids_in_room(self.room_id))
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self.assertEqual(extrem[0], "$join:test.serv")
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def test_retry_device_list_resync(self):
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"""Tests that device lists are marked as stale if they couldn't be synced, and
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that stale device lists are retried periodically.
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"""
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remote_user_id = "@john:test_remote"
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remote_origin = "test_remote"
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# Track the number of attempts to resync the user's device list.
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self.resync_attempts = 0
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# When this function is called, increment the number of resync attempts (only if
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# we're querying devices for the right user ID), then raise a
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# NotRetryingDestination error to fail the resync gracefully.
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def query_user_devices(destination, user_id):
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if user_id == remote_user_id:
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self.resync_attempts += 1
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raise NotRetryingDestination(0, 0, destination)
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# Register the mock on the federation client.
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federation_client = self.homeserver.get_federation_client()
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federation_client.query_user_devices = Mock(side_effect=query_user_devices)
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# Register a mock on the store so that the incoming update doesn't fail because
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# we don't share a room with the user.
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store = self.homeserver.get_datastore()
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store.get_rooms_for_user = Mock(return_value=make_awaitable(["!someroom:test"]))
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# Manually inject a fake device list update. We need this update to include at
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# least one prev_id so that the user's device list will need to be retried.
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device_list_updater = self.homeserver.get_device_handler().device_list_updater
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self.get_success(
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device_list_updater.incoming_device_list_update(
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origin=remote_origin,
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edu_content={
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"deleted": False,
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"device_display_name": "Mobile",
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"device_id": "QBUAZIFURK",
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"prev_id": [5],
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"stream_id": 6,
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"user_id": remote_user_id,
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},
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)
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)
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# Check that there was one resync attempt.
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self.assertEqual(self.resync_attempts, 1)
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# Check that the resync attempt failed and caused the user's device list to be
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# marked as stale.
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need_resync = self.get_success(
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store.get_user_ids_requiring_device_list_resync()
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)
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self.assertIn(remote_user_id, need_resync)
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# Check that waiting for 30 seconds caused Synapse to retry resyncing the device
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# list.
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self.reactor.advance(30)
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self.assertEqual(self.resync_attempts, 2)
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def test_cross_signing_keys_retry(self):
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"""Tests that resyncing a device list correctly processes cross-signing keys from
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the remote server.
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"""
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remote_user_id = "@john:test_remote"
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remote_master_key = "85T7JXPFBAySB/jwby4S3lBPTqY3+Zg53nYuGmu1ggY"
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remote_self_signing_key = "QeIiFEjluPBtI7WQdG365QKZcFs9kqmHir6RBD0//nQ"
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# Register mock device list retrieval on the federation client.
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federation_client = self.homeserver.get_federation_client()
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federation_client.query_user_devices = Mock(
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return_value=succeed(
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{
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"user_id": remote_user_id,
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"stream_id": 1,
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"devices": [],
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"master_key": {
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"user_id": remote_user_id,
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"usage": ["master"],
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"keys": {"ed25519:" + remote_master_key: remote_master_key},
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},
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"self_signing_key": {
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"user_id": remote_user_id,
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"usage": ["self_signing"],
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"keys": {
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"ed25519:"
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+ remote_self_signing_key: remote_self_signing_key
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},
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},
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}
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)
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)
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# Resync the device list.
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device_handler = self.homeserver.get_device_handler()
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self.get_success(
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device_handler.device_list_updater.user_device_resync(remote_user_id),
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)
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# Retrieve the cross-signing keys for this user.
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keys = self.get_success(
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self.store.get_e2e_cross_signing_keys_bulk(user_ids=[remote_user_id]),
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)
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self.assertTrue(remote_user_id in keys)
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# Check that the master key is the one returned by the mock.
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master_key = keys[remote_user_id]["master"]
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self.assertEqual(len(master_key["keys"]), 1)
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self.assertTrue("ed25519:" + remote_master_key in master_key["keys"].keys())
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self.assertTrue(remote_master_key in master_key["keys"].values())
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# Check that the self-signing key is the one returned by the mock.
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self_signing_key = keys[remote_user_id]["self_signing"]
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self.assertEqual(len(self_signing_key["keys"]), 1)
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self.assertTrue(
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"ed25519:" + remote_self_signing_key in self_signing_key["keys"].keys(),
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)
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self.assertTrue(remote_self_signing_key in self_signing_key["keys"].values())
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