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"""Tests for acme.standalone."""
import socket
import threading
import unittest
from unittest import mock
import josepy as jose
import requests
from six.moves import http_client # pylint: disable=import-error
from six.moves import socketserver # type: ignore # pylint: disable=import-error
from acme import challenges
from acme import crypto_util
from acme import errors
import test_util
class TLSServerTest(unittest.TestCase):
"""Tests for acme.standalone.TLSServer."""
def test_bind(self): # pylint: disable=no-self-use
from acme.standalone import TLSServer
server = TLSServer(
('', 0), socketserver.BaseRequestHandler, bind_and_activate=True)
server.server_close()
def test_ipv6(self):
if socket.has_ipv6:
from acme.standalone import TLSServer
server = TLSServer(
('', 0), socketserver.BaseRequestHandler, bind_and_activate=True, ipv6=True)
server.server_close()
class HTTP01ServerTest(unittest.TestCase):
"""Tests for acme.standalone.HTTP01Server."""
def setUp(self):
self.account_key = jose.JWK.load(
test_util.load_vector('rsa1024_key.pem'))
self.resources = set() # type: Set
from acme.standalone import HTTP01Server
self.server = HTTP01Server(('', 0), resources=self.resources)
self.port = self.server.socket.getsockname()[1]
self.thread = threading.Thread(target=self.server.serve_forever)
self.thread.start()
def tearDown(self):
self.server.shutdown()
self.thread.join()
def test_index(self):
response = requests.get(
'http://localhost:{0}'.format(self.port), verify=False)
self.assertEqual(
response.text, 'ACME client standalone challenge solver')
self.assertTrue(response.ok)
def test_404(self):
response = requests.get(
'http://localhost:{0}/foo'.format(self.port), verify=False)
self.assertEqual(response.status_code, http_client.NOT_FOUND)
def _test_http01(self, add):
chall = challenges.HTTP01(token=(b'x' * 16))
response, validation = chall.response_and_validation(self.account_key)
from acme.standalone import HTTP01RequestHandler
resource = HTTP01RequestHandler.HTTP01Resource(
chall=chall, response=response, validation=validation)
if add:
self.resources.add(resource)
return resource.response.simple_verify(
resource.chall, 'localhost', self.account_key.public_key(),
port=self.port)
def test_http01_found(self):
self.assertTrue(self._test_http01(add=True))
def test_http01_not_found(self):
self.assertFalse(self._test_http01(add=False))
def test_timely_shutdown(self):
from acme.standalone import HTTP01Server
server = HTTP01Server(('', 0), resources=set(), timeout=0.05)
server_thread = threading.Thread(target=server.serve_forever)
server_thread.start()
client = socket.socket()
client.connect(('localhost', server.socket.getsockname()[1]))
stop_thread = threading.Thread(target=server.shutdown)
stop_thread.start()
server_thread.join(5.)
is_hung = server_thread.is_alive()
try:
client.shutdown(socket.SHUT_RDWR)
except: # pragma: no cover, pylint: disable=bare-except
# may raise error because socket could already be closed
pass
self.assertFalse(is_hung, msg='Server shutdown should not be hung')
@unittest.skipIf(not challenges.TLSALPN01.is_supported(), "pyOpenSSL too old")
class TLSALPN01ServerTest(unittest.TestCase):
"""Test for acme.standalone.TLSALPN01Server."""
def setUp(self):
self.certs = {b'localhost': (
test_util.load_pyopenssl_private_key('rsa2048_key.pem'),
test_util.load_cert('rsa2048_cert.pem'),
)}
# Use different certificate for challenge.
self.challenge_certs = {b'localhost': (
test_util.load_pyopenssl_private_key('rsa4096_key.pem'),
test_util.load_cert('rsa4096_cert.pem'),
)}
from acme.standalone import TLSALPN01Server
self.server = TLSALPN01Server(("localhost", 0), certs=self.certs,
challenge_certs=self.challenge_certs)
# pylint: disable=no-member
self.thread = threading.Thread(target=self.server.serve_forever)
self.thread.start()
def tearDown(self):
self.server.shutdown() # pylint: disable=no-member
self.thread.join()
# TODO: This is not implemented yet, see comments in standalone.py
# def test_certs(self):
# host, port = self.server.socket.getsockname()[:2]
# cert = crypto_util.probe_sni(
# b'localhost', host=host, port=port, timeout=1)
# # Expect normal cert when connecting without ALPN.
# self.assertEqual(jose.ComparableX509(cert),
# jose.ComparableX509(self.certs[b'localhost'][1]))
def test_challenge_certs(self):
host, port = self.server.socket.getsockname()[:2]
cert = crypto_util.probe_sni(
b'localhost', host=host, port=port, timeout=1,
alpn_protocols=[b"acme-tls/1"])
# Expect challenge cert when connecting with ALPN.
self.assertEqual(
jose.ComparableX509(cert),
jose.ComparableX509(self.challenge_certs[b'localhost'][1])
)
def test_bad_alpn(self):
host, port = self.server.socket.getsockname()[:2]
with self.assertRaises(errors.Error):
crypto_util.probe_sni(
b'localhost', host=host, port=port, timeout=1,
alpn_protocols=[b"bad-alpn"])
class BaseDualNetworkedServersTest(unittest.TestCase):
"""Test for acme.standalone.BaseDualNetworkedServers."""
class SingleProtocolServer(socketserver.TCPServer):
"""Server that only serves on a single protocol. FreeBSD has this behavior for AF_INET6."""
def __init__(self, *args, **kwargs):
ipv6 = kwargs.pop("ipv6", False)
if ipv6:
self.address_family = socket.AF_INET6
kwargs["bind_and_activate"] = False
else:
self.address_family = socket.AF_INET
socketserver.TCPServer.__init__(self, *args, **kwargs)
if ipv6:
# NB: On Windows, socket.IPPROTO_IPV6 constant may be missing.
# We use the corresponding value (41) instead.
level = getattr(socket, "IPPROTO_IPV6", 41)
self.socket.setsockopt(level, socket.IPV6_V6ONLY, 1)
try:
self.server_bind()
self.server_activate()
except:
self.server_close()
raise
@mock.patch("socket.socket.bind")
def test_fail_to_bind(self, mock_bind):
mock_bind.side_effect = socket.error
from acme.standalone import BaseDualNetworkedServers
self.assertRaises(socket.error, BaseDualNetworkedServers,
BaseDualNetworkedServersTest.SingleProtocolServer,
('', 0),
socketserver.BaseRequestHandler)
def test_ports_equal(self):
from acme.standalone import BaseDualNetworkedServers
servers = BaseDualNetworkedServers(
BaseDualNetworkedServersTest.SingleProtocolServer,
('', 0),
socketserver.BaseRequestHandler)
socknames = servers.getsocknames()
prev_port = None
# assert ports are equal
for sockname in socknames:
port = sockname[1]
if prev_port:
self.assertEqual(prev_port, port)
prev_port = port
class HTTP01DualNetworkedServersTest(unittest.TestCase):
"""Tests for acme.standalone.HTTP01DualNetworkedServers."""
def setUp(self):
self.account_key = jose.JWK.load(
test_util.load_vector('rsa1024_key.pem'))
self.resources = set() # type: Set
from acme.standalone import HTTP01DualNetworkedServers
self.servers = HTTP01DualNetworkedServers(('', 0), resources=self.resources)
self.port = self.servers.getsocknames()[0][1]
self.servers.serve_forever()
def tearDown(self):
self.servers.shutdown_and_server_close()
def test_index(self):
response = requests.get(
'http://localhost:{0}'.format(self.port), verify=False)
self.assertEqual(
response.text, 'ACME client standalone challenge solver')
self.assertTrue(response.ok)
def test_404(self):
response = requests.get(
'http://localhost:{0}/foo'.format(self.port), verify=False)
self.assertEqual(response.status_code, http_client.NOT_FOUND)
def _test_http01(self, add):
chall = challenges.HTTP01(token=(b'x' * 16))
response, validation = chall.response_and_validation(self.account_key)
from acme.standalone import HTTP01RequestHandler
resource = HTTP01RequestHandler.HTTP01Resource(
chall=chall, response=response, validation=validation)
if add:
self.resources.add(resource)
return resource.response.simple_verify(
resource.chall, 'localhost', self.account_key.public_key(),
port=self.port)
def test_http01_found(self):
self.assertTrue(self._test_http01(add=True))
def test_http01_not_found(self):
self.assertFalse(self._test_http01(add=False))
if __name__ == "__main__":
unittest.main() # pragma: no cover
|
