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During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
376 lines
14 KiB
Python
376 lines
14 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2020 The Matrix.org Foundation C.I.C.
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from typing import Collection, List, Optional, Union
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from unittest.mock import AsyncMock, Mock
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.api.errors import FederationError
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from synapse.api.room_versions import RoomVersion, RoomVersions
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from synapse.events import EventBase, make_event_from_dict
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from synapse.events.snapshot import EventContext
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from synapse.federation.federation_base import event_from_pdu_json
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from synapse.handlers.device import DeviceListUpdater
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from synapse.http.types import QueryParams
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from synapse.logging.context import LoggingContext
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from synapse.server import HomeServer
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from synapse.types import JsonDict, 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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class MessageAcceptTests(unittest.HomeserverTestCase):
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def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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self.http_client = Mock()
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return self.setup_test_homeserver(federation_http_client=self.http_client)
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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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.hs.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]
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self.store = self.hs.get_datastores().main
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# Figure out what the most recent event is
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most_recent = next(
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iter(
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self.get_success(
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self.hs.get_datastores().main.get_latest_event_ids_in_room(
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self.room_id
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)
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)
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)
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)
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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.hs.get_federation_handler()
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federation_event_handler = self.hs.get_federation_event_handler()
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async def _check_event_auth(
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origin: Optional[str], event: EventBase, context: EventContext
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) -> None:
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pass
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federation_event_handler._check_event_auth = _check_event_auth # type: ignore[method-assign]
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self.client = self.hs.get_federation_client()
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async def _check_sigs_and_hash_for_pulled_events_and_fetch(
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dest: str, pdus: Collection[EventBase], room_version: RoomVersion
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) -> List[EventBase]:
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return list(pdus)
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self.client._check_sigs_and_hash_for_pulled_events_and_fetch = _check_sigs_and_hash_for_pulled_events_and_fetch # type: ignore[assignment]
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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)),
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{"$join:test.serv"},
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)
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def test_cant_hide_direct_ancestors(self) -> None:
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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(
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destination: str,
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path: str,
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data: Optional[JsonDict] = None,
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long_retries: bool = False,
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timeout: Optional[int] = None,
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ignore_backoff: bool = False,
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args: Optional[QueryParams] = None,
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) -> Union[JsonDict, list]:
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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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return {}
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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 = next(
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iter(
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self.get_success(self.store.get_latest_event_ids_in_room(self.room_id))
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)
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)
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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.hs.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, {"$join:test.serv"})
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def test_retry_device_list_resync(self) -> None:
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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(
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destination: str, user_id: str, timeout: int = 30000
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) -> JsonDict:
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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.hs.get_federation_client()
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federation_client.query_user_devices = Mock(side_effect=query_user_devices) # type: ignore[method-assign]
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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.hs.get_datastores().main
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store.get_rooms_for_user = AsyncMock(return_value=["!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.hs.get_device_handler().device_list_updater
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assert isinstance(device_list_updater, DeviceListUpdater)
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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) -> None:
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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.hs.get_federation_client()
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federation_client.query_user_devices = AsyncMock( # type: ignore[method-assign]
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return_value={
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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:" + 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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# Resync the device list.
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device_handler = self.hs.get_device_handler()
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self.get_success(
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device_handler.device_list_updater.multi_user_device_resync(
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[remote_user_id]
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),
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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.assertIn(remote_user_id, keys)
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key = keys[remote_user_id]
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assert key is not None
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# Check that the master key is the one returned by the mock.
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master_key = key["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 = key["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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class StripUnsignedFromEventsTestCase(unittest.TestCase):
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def test_strip_unauthorized_unsigned_values(self) -> None:
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event1 = {
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"sender": "@baduser:test.serv",
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"state_key": "@baduser:test.serv",
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"event_id": "$event1: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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"unsigned": {"malicious garbage": "hackz", "more warez": "more hackz"},
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}
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filtered_event = event_from_pdu_json(event1, RoomVersions.V1)
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# Make sure unauthorized fields are stripped from unsigned
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self.assertNotIn("more warez", filtered_event.unsigned)
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def test_strip_event_maintains_allowed_fields(self) -> None:
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event2 = {
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"sender": "@baduser:test.serv",
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"state_key": "@baduser:test.serv",
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"event_id": "$event2: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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"auth_events": [],
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"content": {"membership": "join"},
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"unsigned": {
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"malicious garbage": "hackz",
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"more warez": "more hackz",
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"age": 14,
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"invite_room_state": [],
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},
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}
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filtered_event2 = event_from_pdu_json(event2, RoomVersions.V1)
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self.assertIn("age", filtered_event2.unsigned)
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self.assertEqual(14, filtered_event2.unsigned["age"])
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self.assertNotIn("more warez", filtered_event2.unsigned)
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# Invite_room_state is allowed in events of type m.room.member
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self.assertIn("invite_room_state", filtered_event2.unsigned)
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self.assertEqual([], filtered_event2.unsigned["invite_room_state"])
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def test_strip_event_removes_fields_based_on_event_type(self) -> None:
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event3 = {
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"sender": "@baduser:test.serv",
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"state_key": "@baduser:test.serv",
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"event_id": "$event3:test.serv",
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"depth": 1000,
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"origin_server_ts": 1,
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"type": "m.room.power_levels",
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"origin": "test.servx",
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"content": {},
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"auth_events": [],
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"unsigned": {
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"malicious garbage": "hackz",
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"more warez": "more hackz",
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"age": 14,
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"invite_room_state": [],
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},
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}
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filtered_event3 = event_from_pdu_json(event3, RoomVersions.V1)
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self.assertIn("age", filtered_event3.unsigned)
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# Invite_room_state field is only permitted in event type m.room.member
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self.assertNotIn("invite_room_state", filtered_event3.unsigned)
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self.assertNotIn("more warez", filtered_event3.unsigned)
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