mirror of
https://mau.dev/maunium/synapse.git
synced 2024-12-14 18:03:53 +01:00
1e89976b26
Avoid renaming configuration settings for now and rename internal code to use blocklist and allowlist instead.
181 lines
6 KiB
Python
181 lines
6 KiB
Python
# Copyright 2020 The Matrix.org Foundation C.I.C.
|
|
#
|
|
# 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.
|
|
from unittest.mock import Mock
|
|
|
|
from netaddr import IPSet
|
|
|
|
from twisted.internet import defer
|
|
from twisted.internet.error import DNSLookupError
|
|
from twisted.test.proto_helpers import MemoryReactor
|
|
|
|
from synapse.http import RequestTimedOutError
|
|
from synapse.http.client import SimpleHttpClient
|
|
from synapse.server import HomeServer
|
|
from synapse.util import Clock
|
|
|
|
from tests.unittest import HomeserverTestCase
|
|
|
|
|
|
class SimpleHttpClientTests(HomeserverTestCase):
|
|
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: "HomeServer") -> None:
|
|
# Add a DNS entry for a test server
|
|
self.reactor.lookups["testserv"] = "1.2.3.4"
|
|
|
|
self.cl = hs.get_simple_http_client()
|
|
|
|
def test_dns_error(self) -> None:
|
|
"""
|
|
If the DNS lookup returns an error, it will bubble up.
|
|
"""
|
|
d = defer.ensureDeferred(self.cl.get_json("http://testserv2:8008/foo/bar"))
|
|
self.pump()
|
|
|
|
f = self.failureResultOf(d)
|
|
self.assertIsInstance(f.value, DNSLookupError)
|
|
|
|
def test_client_connection_refused(self) -> None:
|
|
d = defer.ensureDeferred(self.cl.get_json("http://testserv:8008/foo/bar"))
|
|
|
|
self.pump()
|
|
|
|
# Nothing happened yet
|
|
self.assertNoResult(d)
|
|
|
|
clients = self.reactor.tcpClients
|
|
self.assertEqual(len(clients), 1)
|
|
(host, port, factory, _timeout, _bindAddress) = clients[0]
|
|
self.assertEqual(host, "1.2.3.4")
|
|
self.assertEqual(port, 8008)
|
|
e = Exception("go away")
|
|
factory.clientConnectionFailed(None, e)
|
|
self.pump(0.5)
|
|
|
|
f = self.failureResultOf(d)
|
|
|
|
self.assertIs(f.value, e)
|
|
|
|
def test_client_never_connect(self) -> None:
|
|
"""
|
|
If the HTTP request is not connected and is timed out, it'll give a
|
|
ConnectingCancelledError or TimeoutError.
|
|
"""
|
|
d = defer.ensureDeferred(self.cl.get_json("http://testserv:8008/foo/bar"))
|
|
|
|
self.pump()
|
|
|
|
# Nothing happened yet
|
|
self.assertNoResult(d)
|
|
|
|
# Make sure treq is trying to connect
|
|
clients = self.reactor.tcpClients
|
|
self.assertEqual(len(clients), 1)
|
|
self.assertEqual(clients[0][0], "1.2.3.4")
|
|
self.assertEqual(clients[0][1], 8008)
|
|
|
|
# Deferred is still without a result
|
|
self.assertNoResult(d)
|
|
|
|
# Push by enough to time it out
|
|
self.reactor.advance(120)
|
|
f = self.failureResultOf(d)
|
|
|
|
self.assertIsInstance(f.value, RequestTimedOutError)
|
|
|
|
def test_client_connect_no_response(self) -> None:
|
|
"""
|
|
If the HTTP request is connected, but gets no response before being
|
|
timed out, it'll give a ResponseNeverReceived.
|
|
"""
|
|
d = defer.ensureDeferred(self.cl.get_json("http://testserv:8008/foo/bar"))
|
|
|
|
self.pump()
|
|
|
|
# Nothing happened yet
|
|
self.assertNoResult(d)
|
|
|
|
# Make sure treq is trying to connect
|
|
clients = self.reactor.tcpClients
|
|
self.assertEqual(len(clients), 1)
|
|
self.assertEqual(clients[0][0], "1.2.3.4")
|
|
self.assertEqual(clients[0][1], 8008)
|
|
|
|
conn = Mock()
|
|
client = clients[0][2].buildProtocol(None)
|
|
client.makeConnection(conn)
|
|
|
|
# Deferred is still without a result
|
|
self.assertNoResult(d)
|
|
|
|
# Push by enough to time it out
|
|
self.reactor.advance(120)
|
|
f = self.failureResultOf(d)
|
|
|
|
self.assertIsInstance(f.value, RequestTimedOutError)
|
|
|
|
def test_client_ip_range_blocklist(self) -> None:
|
|
"""Ensure that Synapse does not try to connect to blocked IPs"""
|
|
|
|
# Add some DNS entries we'll block
|
|
self.reactor.lookups["internal"] = "127.0.0.1"
|
|
self.reactor.lookups["internalv6"] = "fe80:0:0:0:0:8a2e:370:7337"
|
|
ip_blocklist = IPSet(["127.0.0.0/8", "fe80::/64"])
|
|
|
|
cl = SimpleHttpClient(self.hs, ip_blocklist=ip_blocklist)
|
|
|
|
# Try making a GET request to a blocked IPv4 address
|
|
# ------------------------------------------------------
|
|
# Make the request
|
|
d = defer.ensureDeferred(cl.get_json("http://internal:8008/foo/bar"))
|
|
self.pump(1)
|
|
|
|
# Check that it was unable to resolve the address
|
|
clients = self.reactor.tcpClients
|
|
self.assertEqual(len(clients), 0)
|
|
|
|
self.failureResultOf(d, DNSLookupError)
|
|
|
|
# Try making a POST request to a blocked IPv6 address
|
|
# -------------------------------------------------------
|
|
# Make the request
|
|
d = defer.ensureDeferred(
|
|
cl.post_json_get_json("http://internalv6:8008/foo/bar", {})
|
|
)
|
|
|
|
# Move the reactor forwards
|
|
self.pump(1)
|
|
|
|
# Check that it was unable to resolve the address
|
|
clients = self.reactor.tcpClients
|
|
self.assertEqual(len(clients), 0)
|
|
|
|
# Check that it was due to a blocked DNS lookup
|
|
self.failureResultOf(d, DNSLookupError)
|
|
|
|
# Try making a GET request to a non-blocked IPv4 address
|
|
# ----------------------------------------------------------
|
|
# Make the request
|
|
d = defer.ensureDeferred(cl.get_json("http://testserv:8008/foo/bar"))
|
|
|
|
# Nothing has happened yet
|
|
self.assertNoResult(d)
|
|
|
|
# Move the reactor forwards
|
|
self.pump(1)
|
|
|
|
# Check that it was able to resolve the address
|
|
clients = self.reactor.tcpClients
|
|
self.assertNotEqual(len(clients), 0)
|
|
|
|
# Connection will still fail as this IP address does not resolve to anything
|
|
self.failureResultOf(d, RequestTimedOutError)
|