mirror of
https://github.com/element-hq/synapse
synced 2024-09-01 21:30:21 +00:00
309 lines
10 KiB
Python
309 lines
10 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2019 New Vector Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
import logging
|
|
|
|
from mock import Mock
|
|
|
|
import treq
|
|
|
|
from twisted.internet import defer
|
|
from twisted.internet.protocol import Factory
|
|
from twisted.protocols.tls import TLSMemoryBIOFactory
|
|
from twisted.test.ssl_helpers import ServerTLSContext
|
|
from twisted.web.http import HTTPChannel
|
|
|
|
from synapse.crypto.context_factory import ClientTLSOptionsFactory
|
|
from synapse.http.federation.matrix_federation_agent import MatrixFederationAgent
|
|
from synapse.http.federation.srv_resolver import Server
|
|
from synapse.util.logcontext import LoggingContext
|
|
|
|
from tests.server import FakeTransport, ThreadedMemoryReactorClock
|
|
from tests.unittest import TestCase
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class MatrixFederationAgentTests(TestCase):
|
|
def setUp(self):
|
|
self.reactor = ThreadedMemoryReactorClock()
|
|
|
|
self.mock_resolver = Mock()
|
|
|
|
self.agent = MatrixFederationAgent(
|
|
reactor=self.reactor,
|
|
tls_client_options_factory=ClientTLSOptionsFactory(None),
|
|
_srv_resolver=self.mock_resolver,
|
|
)
|
|
|
|
def _make_connection(self, client_factory, expected_sni):
|
|
"""Builds a test server, and completes the outgoing client connection
|
|
|
|
Returns:
|
|
HTTPChannel: the test server
|
|
"""
|
|
|
|
# build the test server
|
|
server_tls_protocol = _build_test_server()
|
|
|
|
# now, tell the client protocol factory to build the client protocol (it will be a
|
|
# _WrappingProtocol, around a TLSMemoryBIOProtocol, around an
|
|
# HTTP11ClientProtocol) and wire the output of said protocol up to the server via
|
|
# a FakeTransport.
|
|
#
|
|
# Normally this would be done by the TCP socket code in Twisted, but we are
|
|
# stubbing that out here.
|
|
client_protocol = client_factory.buildProtocol(None)
|
|
client_protocol.makeConnection(FakeTransport(server_tls_protocol, self.reactor))
|
|
|
|
# tell the server tls protocol to send its stuff back to the client, too
|
|
server_tls_protocol.makeConnection(FakeTransport(client_protocol, self.reactor))
|
|
|
|
# give the reactor a pump to get the TLS juices flowing.
|
|
self.reactor.pump((0.1,))
|
|
|
|
# check the SNI
|
|
server_name = server_tls_protocol._tlsConnection.get_servername()
|
|
self.assertEqual(
|
|
server_name,
|
|
expected_sni,
|
|
"Expected SNI %s but got %s" % (expected_sni, server_name),
|
|
)
|
|
|
|
# fish the test server back out of the server-side TLS protocol.
|
|
return server_tls_protocol.wrappedProtocol
|
|
|
|
@defer.inlineCallbacks
|
|
def _make_get_request(self, uri):
|
|
"""
|
|
Sends a simple GET request via the agent, and checks its logcontext management
|
|
"""
|
|
with LoggingContext("one") as context:
|
|
fetch_d = self.agent.request(b'GET', uri)
|
|
|
|
# Nothing happened yet
|
|
self.assertNoResult(fetch_d)
|
|
|
|
# should have reset logcontext to the sentinel
|
|
_check_logcontext(LoggingContext.sentinel)
|
|
|
|
try:
|
|
fetch_res = yield fetch_d
|
|
defer.returnValue(fetch_res)
|
|
finally:
|
|
_check_logcontext(context)
|
|
|
|
def test_get(self):
|
|
"""
|
|
happy-path test of a GET request with an explicit port
|
|
"""
|
|
self.reactor.lookups["testserv"] = "1.2.3.4"
|
|
test_d = self._make_get_request(b"matrix://testserv:8448/foo/bar")
|
|
|
|
# Nothing happened yet
|
|
self.assertNoResult(test_d)
|
|
|
|
# Make sure treq is trying to connect
|
|
clients = self.reactor.tcpClients
|
|
self.assertEqual(len(clients), 1)
|
|
(host, port, client_factory, _timeout, _bindAddress) = clients[0]
|
|
self.assertEqual(host, '1.2.3.4')
|
|
self.assertEqual(port, 8448)
|
|
|
|
# make a test server, and wire up the client
|
|
http_server = self._make_connection(
|
|
client_factory,
|
|
expected_sni=b"testserv",
|
|
)
|
|
|
|
self.assertEqual(len(http_server.requests), 1)
|
|
request = http_server.requests[0]
|
|
self.assertEqual(request.method, b'GET')
|
|
self.assertEqual(request.path, b'/foo/bar')
|
|
content = request.content.read()
|
|
self.assertEqual(content, b'')
|
|
|
|
# Deferred is still without a result
|
|
self.assertNoResult(test_d)
|
|
|
|
# send the headers
|
|
request.responseHeaders.setRawHeaders(b'Content-Type', [b'application/json'])
|
|
request.write('')
|
|
|
|
self.reactor.pump((0.1,))
|
|
|
|
response = self.successResultOf(test_d)
|
|
|
|
# that should give us a Response object
|
|
self.assertEqual(response.code, 200)
|
|
|
|
# Send the body
|
|
request.write('{ "a": 1 }'.encode('ascii'))
|
|
request.finish()
|
|
|
|
self.reactor.pump((0.1,))
|
|
|
|
# check it can be read
|
|
json = self.successResultOf(treq.json_content(response))
|
|
self.assertEqual(json, {"a": 1})
|
|
|
|
def test_get_ip_address(self):
|
|
"""
|
|
Test the behaviour when the server name contains an explicit IP (with no port)
|
|
"""
|
|
|
|
# the SRV lookup will return an empty list (XXX: why do we even do an SRV lookup?)
|
|
self.mock_resolver.resolve_service.side_effect = lambda _: []
|
|
|
|
# then there will be a getaddrinfo on the IP
|
|
self.reactor.lookups["1.2.3.4"] = "1.2.3.4"
|
|
|
|
test_d = self._make_get_request(b"matrix://1.2.3.4/foo/bar")
|
|
|
|
# Nothing happened yet
|
|
self.assertNoResult(test_d)
|
|
|
|
self.mock_resolver.resolve_service.assert_called_once()
|
|
|
|
# Make sure treq is trying to connect
|
|
clients = self.reactor.tcpClients
|
|
self.assertEqual(len(clients), 1)
|
|
(host, port, client_factory, _timeout, _bindAddress) = clients[0]
|
|
self.assertEqual(host, '1.2.3.4')
|
|
self.assertEqual(port, 8448)
|
|
|
|
# make a test server, and wire up the client
|
|
http_server = self._make_connection(
|
|
client_factory,
|
|
expected_sni=None,
|
|
)
|
|
|
|
self.assertEqual(len(http_server.requests), 1)
|
|
request = http_server.requests[0]
|
|
self.assertEqual(request.method, b'GET')
|
|
self.assertEqual(request.path, b'/foo/bar')
|
|
|
|
# finish the request
|
|
request.finish()
|
|
self.reactor.pump((0.1,))
|
|
self.successResultOf(test_d)
|
|
|
|
def test_get_hostname_no_srv(self):
|
|
"""
|
|
Test the behaviour when the server name has no port, and no SRV record
|
|
"""
|
|
|
|
self.mock_resolver.resolve_service.side_effect = lambda _: []
|
|
self.reactor.lookups["testserv"] = "1.2.3.4"
|
|
|
|
test_d = self._make_get_request(b"matrix://testserv/foo/bar")
|
|
|
|
# Nothing happened yet
|
|
self.assertNoResult(test_d)
|
|
|
|
self.mock_resolver.resolve_service.assert_called_once()
|
|
|
|
# Make sure treq is trying to connect
|
|
clients = self.reactor.tcpClients
|
|
self.assertEqual(len(clients), 1)
|
|
(host, port, client_factory, _timeout, _bindAddress) = clients[0]
|
|
self.assertEqual(host, '1.2.3.4')
|
|
self.assertEqual(port, 8448)
|
|
|
|
# make a test server, and wire up the client
|
|
http_server = self._make_connection(
|
|
client_factory,
|
|
expected_sni=b'testserv',
|
|
)
|
|
|
|
self.assertEqual(len(http_server.requests), 1)
|
|
request = http_server.requests[0]
|
|
self.assertEqual(request.method, b'GET')
|
|
self.assertEqual(request.path, b'/foo/bar')
|
|
|
|
# finish the request
|
|
request.finish()
|
|
self.reactor.pump((0.1,))
|
|
self.successResultOf(test_d)
|
|
|
|
def test_get_hostname_srv(self):
|
|
"""
|
|
Test the behaviour when there is a single SRV record
|
|
"""
|
|
self.mock_resolver.resolve_service.side_effect = lambda _: [
|
|
Server(host="srvtarget", port=8443)
|
|
]
|
|
self.reactor.lookups["srvtarget"] = "1.2.3.4"
|
|
|
|
test_d = self._make_get_request(b"matrix://testserv/foo/bar")
|
|
|
|
# Nothing happened yet
|
|
self.assertNoResult(test_d)
|
|
|
|
self.mock_resolver.resolve_service.assert_called_once()
|
|
|
|
# Make sure treq is trying to connect
|
|
clients = self.reactor.tcpClients
|
|
self.assertEqual(len(clients), 1)
|
|
(host, port, client_factory, _timeout, _bindAddress) = clients[0]
|
|
self.assertEqual(host, '1.2.3.4')
|
|
self.assertEqual(port, 8443)
|
|
|
|
# make a test server, and wire up the client
|
|
http_server = self._make_connection(
|
|
client_factory,
|
|
expected_sni=b'testserv',
|
|
)
|
|
|
|
self.assertEqual(len(http_server.requests), 1)
|
|
request = http_server.requests[0]
|
|
self.assertEqual(request.method, b'GET')
|
|
self.assertEqual(request.path, b'/foo/bar')
|
|
|
|
# finish the request
|
|
request.finish()
|
|
self.reactor.pump((0.1,))
|
|
self.successResultOf(test_d)
|
|
|
|
|
|
def _check_logcontext(context):
|
|
current = LoggingContext.current_context()
|
|
if current is not context:
|
|
raise AssertionError(
|
|
"Expected logcontext %s but was %s" % (context, current),
|
|
)
|
|
|
|
|
|
def _build_test_server():
|
|
"""Construct a test server
|
|
|
|
This builds an HTTP channel, wrapped with a TLSMemoryBIOProtocol
|
|
|
|
Returns:
|
|
TLSMemoryBIOProtocol
|
|
"""
|
|
server_factory = Factory.forProtocol(HTTPChannel)
|
|
# Request.finish expects the factory to have a 'log' method.
|
|
server_factory.log = _log_request
|
|
|
|
server_tls_factory = TLSMemoryBIOFactory(
|
|
ServerTLSContext(), isClient=False, wrappedFactory=server_factory,
|
|
)
|
|
|
|
return server_tls_factory.buildProtocol(None)
|
|
|
|
|
|
def _log_request(request):
|
|
"""Implements Factory.log, which is expected by Request.finish"""
|
|
logger.info("Completed request %s", request)
|