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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.
316 lines
12 KiB
Python
316 lines
12 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 2022 Matrix.org Federation 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 unittest import mock
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import twisted.web.client
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from twisted.internet import defer
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.api.room_versions import RoomVersions
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from synapse.events import EventBase
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from synapse.rest import admin
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from synapse.rest.client import login, room
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from synapse.server import HomeServer
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from synapse.util import Clock
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from tests.test_utils import FakeResponse, event_injection
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from tests.unittest import FederatingHomeserverTestCase
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class FederationClientTest(FederatingHomeserverTestCase):
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servlets = [
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admin.register_servlets,
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room.register_servlets,
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login.register_servlets,
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]
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def prepare(
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self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
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) -> None:
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super().prepare(reactor, clock, homeserver)
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# mock out the Agent used by the federation client, which is easier than
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# catching the HTTPS connection and do the TLS stuff.
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self._mock_agent = mock.create_autospec(twisted.web.client.Agent, spec_set=True)
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homeserver.get_federation_http_client().agent = self._mock_agent
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# Move clock up to somewhat realistic time so the PDU destination retry
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# works (`now` needs to be larger than `0 + PDU_RETRY_TIME_MS`).
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self.reactor.advance(1000000000)
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self.creator = f"@creator:{self.OTHER_SERVER_NAME}"
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self.test_room_id = "!room_id"
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def test_get_room_state(self) -> None:
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# mock up some events to use in the response.
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# In real life, these would have things in `prev_events` and `auth_events`, but that's
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# a bit annoying to mock up, and the code under test doesn't care, so we don't bother.
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create_event_dict = self.add_hashes_and_signatures_from_other_server(
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{
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"room_id": self.test_room_id,
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"type": "m.room.create",
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"state_key": "",
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"sender": self.creator,
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"content": {"creator": self.creator},
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"prev_events": [],
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"auth_events": [],
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"origin_server_ts": 500,
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}
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)
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member_event_dict = self.add_hashes_and_signatures_from_other_server(
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{
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"room_id": self.test_room_id,
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"type": "m.room.member",
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"sender": self.creator,
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"state_key": self.creator,
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"content": {"membership": "join"},
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"prev_events": [],
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"auth_events": [],
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"origin_server_ts": 600,
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}
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)
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pl_event_dict = self.add_hashes_and_signatures_from_other_server(
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{
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"room_id": self.test_room_id,
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"type": "m.room.power_levels",
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"sender": self.creator,
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"state_key": "",
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"content": {},
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"prev_events": [],
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"auth_events": [],
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"origin_server_ts": 700,
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}
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)
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# mock up the response, and have the agent return it
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self._mock_agent.request.side_effect = lambda *args, **kwargs: defer.succeed(
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FakeResponse.json(
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payload={
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"pdus": [
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create_event_dict,
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member_event_dict,
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pl_event_dict,
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],
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"auth_chain": [
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create_event_dict,
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member_event_dict,
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],
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}
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)
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)
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# now fire off the request
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state_resp, auth_resp = self.get_success(
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self.hs.get_federation_client().get_room_state(
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"yet.another.server",
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self.test_room_id,
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"event_id",
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RoomVersions.V9,
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)
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)
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# check the right call got made to the agent
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self._mock_agent.request.assert_called_once_with(
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b"GET",
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b"matrix-federation://yet.another.server/_matrix/federation/v1/state/%21room_id?event_id=event_id",
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headers=mock.ANY,
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bodyProducer=None,
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)
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# ... and that the response is correct.
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# the auth_resp should be empty because all the events are also in state
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self.assertEqual(auth_resp, [])
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# all of the events should be returned in state_resp, though not necessarily
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# in the same order. We just check the type on the assumption that if the type
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# is right, so is the rest of the event.
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self.assertCountEqual(
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[e.type for e in state_resp],
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["m.room.create", "m.room.member", "m.room.power_levels"],
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)
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def test_get_pdu_returns_nothing_when_event_does_not_exist(self) -> None:
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"""No event should be returned when the event does not exist"""
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pulled_pdu_info = self.get_success(
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self.hs.get_federation_client().get_pdu(
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["yet.another.server"],
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"event_should_not_exist",
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RoomVersions.V9,
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)
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)
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self.assertEqual(pulled_pdu_info, None)
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def test_get_pdu(self) -> None:
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"""Test to make sure an event is returned by `get_pdu()`"""
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self._get_pdu_once()
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def test_get_pdu_event_from_cache_is_pristine(self) -> None:
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"""Test that modifications made to events returned by `get_pdu()`
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do not propagate back to to the internal cache (events returned should
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be a copy).
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"""
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# Get the PDU in the cache
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remote_pdu = self._get_pdu_once()
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# Modify the the event reference.
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# This change should not make it back to the `_get_pdu_cache`.
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remote_pdu.internal_metadata.outlier = True
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# Get the event again. This time it should read it from cache.
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pulled_pdu_info2 = self.get_success(
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self.hs.get_federation_client().get_pdu(
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["yet.another.server"],
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remote_pdu.event_id,
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RoomVersions.V9,
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)
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)
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assert pulled_pdu_info2 is not None
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remote_pdu2 = pulled_pdu_info2.pdu
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# Sanity check that we are working against the same event
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self.assertEqual(remote_pdu.event_id, remote_pdu2.event_id)
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# Make sure the event does not include modification from earlier
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self.assertIsNotNone(remote_pdu2)
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self.assertEqual(remote_pdu2.internal_metadata.outlier, False)
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def _get_pdu_once(self) -> EventBase:
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"""Retrieve an event via `get_pdu()` and assert that an event was returned.
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Also used to prime the cache for subsequent test logic.
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"""
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message_event_dict = self.add_hashes_and_signatures_from_other_server(
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{
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"room_id": self.test_room_id,
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"type": "m.room.message",
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"sender": self.creator,
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"state_key": "",
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"content": {},
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"prev_events": [],
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"auth_events": [],
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"origin_server_ts": 700,
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"depth": 10,
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}
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)
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# mock up the response, and have the agent return it
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self._mock_agent.request.side_effect = lambda *args, **kwargs: defer.succeed(
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FakeResponse.json(
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payload={
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"origin": "yet.another.server",
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"origin_server_ts": 900,
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"pdus": [
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message_event_dict,
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],
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}
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)
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)
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pulled_pdu_info = self.get_success(
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self.hs.get_federation_client().get_pdu(
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["yet.another.server"],
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"event_id",
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RoomVersions.V9,
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)
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)
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assert pulled_pdu_info is not None
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remote_pdu = pulled_pdu_info.pdu
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# check the right call got made to the agent
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self._mock_agent.request.assert_called_once_with(
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b"GET",
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b"matrix-federation://yet.another.server/_matrix/federation/v1/event/event_id",
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headers=mock.ANY,
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bodyProducer=None,
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)
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self.assertIsNotNone(remote_pdu)
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self.assertEqual(remote_pdu.internal_metadata.outlier, False)
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return remote_pdu
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def test_backfill_invalid_signature_records_failed_pull_attempts(
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self,
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) -> None:
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"""
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Test to make sure that events from /backfill with invalid signatures get
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recorded as failed pull attempts.
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"""
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OTHER_USER = f"@user:{self.OTHER_SERVER_NAME}"
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main_store = self.hs.get_datastores().main
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# Create the room
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user_id = self.register_user("kermit", "test")
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tok = self.login("kermit", "test")
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room_id = self.helper.create_room_as(room_creator=user_id, tok=tok)
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# We purposely don't run `add_hashes_and_signatures_from_other_server`
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# over this because we want the signature check to fail.
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pulled_event, _ = self.get_success(
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event_injection.create_event(
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self.hs,
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room_id=room_id,
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sender=OTHER_USER,
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type="test_event_type",
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content={"body": "garply"},
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)
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)
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# We expect an outbound request to /backfill, so stub that out
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self._mock_agent.request.side_effect = lambda *args, **kwargs: defer.succeed(
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FakeResponse.json(
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payload={
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"origin": "yet.another.server",
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"origin_server_ts": 900,
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# Mimic the other server returning our new `pulled_event`
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"pdus": [pulled_event.get_pdu_json()],
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}
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)
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)
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self.get_success(
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self.hs.get_federation_client().backfill(
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# We use "yet.another.server" instead of
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# `self.OTHER_SERVER_NAME` because we want to see the behavior
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# from `_check_sigs_and_hash_and_fetch_one` where it tries to
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# fetch the PDU again from the origin server if the signature
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# fails. Just want to make sure that the failure is counted from
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# both code paths.
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dest="yet.another.server",
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room_id=room_id,
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limit=1,
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extremities=[pulled_event.event_id],
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),
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)
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# Make sure our failed pull attempt was recorded
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backfill_num_attempts = self.get_success(
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main_store.db_pool.simple_select_one_onecol(
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table="event_failed_pull_attempts",
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keyvalues={"event_id": pulled_event.event_id},
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retcol="num_attempts",
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)
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)
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# This is 2 because it failed once from `self.OTHER_SERVER_NAME` and the
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# other from "yet.another.server"
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self.assertEqual(backfill_num_attempts, 2)
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