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"""These tests use 3proxy software as http/socks4/socks5 proxy service.
The 3proxy binary is located in test/bin/3proxy
"""
from unittest import TestCase
import socket
import os
import signal
from subprocess import Popen
from threading import Thread
import threading
try:
import urllib2 # py2
except ImportError:
import urllib.request as urllib2 # py3
import psutil
import pytest
import sockshandler
import socks
from test.util import wait_for_socket
TEST_SERVER_HOST = 'localhost'
TEST_SERVER_HOST_IP = '127.0.0.1'
TEST_SERVER_PORT = 7777
PROXY_HOST_IP = '127.0.0.2'
HTTP_PROXY_PORT = 7776
SOCKS4_PROXY_PORT = 7775
SOCKS5_PROXY_PORT = 7774
# The 10.0.0.0 IP is used to emulate connection timeout errors
NON_ROUTABLE_IP = '10.0.0.0'
def proxy_thread():
with open('3proxy.conf', 'w') as out:
out.write('\n'.join((
'allow *',
'auth none',
'proxy -a -n -p%d -e%s' % (HTTP_PROXY_PORT,
PROXY_HOST_IP),
'socks -p%d -e%s' % (SOCKS4_PROXY_PORT,
PROXY_HOST_IP),
'socks -p%d -e%s' % (SOCKS5_PROXY_PORT,
PROXY_HOST_IP),
)))
cmd = 'test/bin/3proxy 3proxy.conf'
server = Popen(cmd, shell=True)
server.wait()
@pytest.fixture(scope='session', autouse=True)
def proxy_server():
th = Thread(target=proxy_thread)
th.daemon = True
th.start()
wait_for_socket('3proxy:http', PROXY_HOST_IP,
HTTP_PROXY_PORT)
wait_for_socket('3proxy:socks4', PROXY_HOST_IP,
SOCKS4_PROXY_PORT)
wait_for_socket('3proxy:socks5', PROXY_HOST_IP,
SOCKS5_PROXY_PORT)
yield
print('Active threads:')
for th in threading.enumerate():
print(' * %s' % th)
parent = psutil.Process(os.getpid())
print('Active child processes:')
for child in parent.children(recursive=True):
print(' * %s' % child)
child.send_signal(signal.SIGINT)
class PySocksTestCase(TestCase):
@classmethod
def setUpClass(cls):
# import TestServer locally to avoid
# pytest warning about skipped TestServer class
from test_server import TestServer
cls.test_server = TestServer(address=TEST_SERVER_HOST,
port=TEST_SERVER_PORT,
engine='subprocess')
cls.test_server.start()
@classmethod
def tearDownClass(cls):
cls.test_server.stop()
def setUp(self):
self.test_server.reset()
def build_http_request(self, host, port):
if port == 80:
port_fragment = ''
else:
port_fragment = ':%d' % port
return (
'GET / HTTP/1.1\r\n'
'Host: %s%s\r\n'
'User-Agent: PySocksTester\r\n'
'Accept: text/html\r\n'
'\r\n' % (host, port_fragment)
).encode()
def assert_proxy_response(self, resp_data, content, address,
client_ip=None):
status = resp_data.splitlines()[0]
resp_body = resp_data.split(b'\r\n\r\n')[1]
self.assertEqual(b'HTTP/1.1 200 OK', status)
self.assertEqual('PySocksTester',
self.test_server.request['headers']['user-agent'])
self.assertEqual('%s:%d' % address,
self.test_server.request['headers']['host'])
self.assertEqual(content, resp_body)
self.assertEqual(client_ip or PROXY_HOST_IP,
self.test_server.request['client_ip'])
# 0/13
def test_stdlib_socket(self):
content = b'zzz'
address = (TEST_SERVER_HOST, TEST_SERVER_PORT)
self.test_server.response['data'] = content
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(address)
sock.sendall(self.build_http_request(*address))
data = sock.recv(2048)
self.assert_proxy_response(data, content, address,
client_ip=TEST_SERVER_HOST_IP)
# 1/13
def test_http_proxy(self):
content = b'zzz'
self.test_server.response['data'] = content
address = (TEST_SERVER_HOST, TEST_SERVER_PORT)
sock = socks.socksocket()
sock.set_proxy(socks.HTTP, PROXY_HOST_IP, HTTP_PROXY_PORT)
sock.connect(address)
sock.sendall(self.build_http_request(*address))
data = sock.recv(2048)
self.assert_proxy_response(data, content, address)
# 2/13
def test_socks4_proxy(self):
content = b'zzz'
self.test_server.response['data'] = content
address = (TEST_SERVER_HOST, TEST_SERVER_PORT)
sock = socks.socksocket()
sock.set_proxy(socks.SOCKS4, PROXY_HOST_IP,
SOCKS4_PROXY_PORT)
sock.connect(address)
sock.sendall(self.build_http_request(*address))
data = sock.recv(2048)
self.assert_proxy_response(data, content, address)
# 3/13
def test_socks5_proxy(self):
content = b'zzz'
self.test_server.response['data'] = content
address = (TEST_SERVER_HOST, TEST_SERVER_PORT)
sock = socks.socksocket()
sock.set_proxy(socks.SOCKS5, PROXY_HOST_IP, SOCKS5_PROXY_PORT)
sock.connect(address)
sock.sendall(self.build_http_request(*address))
data = sock.recv(2048)
self.assert_proxy_response(data, content, address)
# 3-1/13
def test_urllib2_http_handler(self):
content = b'zzz'
self.test_server.response['data'] = content
opener = urllib2.build_opener(sockshandler.SocksiPyHandler(
socks.HTTP, PROXY_HOST_IP, HTTP_PROXY_PORT))
res = opener.open(self.test_server.get_url())
body = res.read()
self.assertTrue(self.test_server.request['headers']['user-agent']
.startswith('Python-urllib'))
self.assertEqual('%s:%d' % (TEST_SERVER_HOST, TEST_SERVER_PORT),
self.test_server.request['headers']['host'])
self.assertEqual(200, res.getcode())
self.assertEqual(content, body)
# 3-2/13
def test_urllib2_socks4_handler(self):
content = b'zzz'
self.test_server.response['data'] = content
opener = urllib2.build_opener(sockshandler.SocksiPyHandler(
socks.SOCKS4, PROXY_HOST_IP, SOCKS4_PROXY_PORT))
res = opener.open(self.test_server.get_url())
body = res.read()
self.assertTrue(self.test_server.request['headers']['user-agent']
.startswith('Python-urllib'))
self.assertEqual('%s:%d' % (TEST_SERVER_HOST, TEST_SERVER_PORT),
self.test_server.request['headers']['host'])
self.assertEqual(200, res.getcode())
self.assertEqual(content, body)
# 3-3/13
def test_urllib2_socks5_handler(self):
content = b'zzz'
self.test_server.response['data'] = content
opener = urllib2.build_opener(sockshandler.SocksiPyHandler(
socks.SOCKS5, PROXY_HOST_IP, SOCKS5_PROXY_PORT))
res = opener.open(self.test_server.get_url())
body = res.read()
self.assertTrue(self.test_server.request['headers']['user-agent']
.startswith('Python-urllib'))
self.assertEqual('%s:%d' % (TEST_SERVER_HOST, TEST_SERVER_PORT),
self.test_server.request['headers']['host'])
self.assertEqual(200, res.getcode())
self.assertEqual(content, body)
# 4/13
def test_http_ip_proxy(self):
content = b'zzz'
self.test_server.response['data'] = content
address = (TEST_SERVER_HOST_IP, TEST_SERVER_PORT)
sock = socks.socksocket()
sock.set_proxy(socks.HTTP, PROXY_HOST_IP, HTTP_PROXY_PORT)
sock.connect(address)
sock.sendall(self.build_http_request(*address))
data = sock.recv(2048)
self.assert_proxy_response(data, content, address)
# 5/13
def test_socks4_ip_proxy(self):
content = b'zzz'
self.test_server.response['data'] = content
address = (TEST_SERVER_HOST_IP, TEST_SERVER_PORT)
sock = socks.socksocket()
sock.set_proxy(socks.SOCKS4, PROXY_HOST_IP, SOCKS4_PROXY_PORT)
sock.connect(address)
sock.sendall(self.build_http_request(*address))
data = sock.recv(2048)
self.assert_proxy_response(data, content, address)
# 6/13
def test_socks5_ip_proxy(self):
content = b'zzz'
self.test_server.response['data'] = content
address = (TEST_SERVER_HOST_IP, TEST_SERVER_PORT)
sock = socks.socksocket()
sock.set_proxy(socks.SOCKS5, PROXY_HOST_IP, SOCKS5_PROXY_PORT)
sock.connect(address)
sock.sendall(self.build_http_request(*address))
data = sock.recv(2048)
self.assert_proxy_response(data, content, address)
# 7/13
def test_socks5_proxy_connect_timeout(self):
"""Test timeout during connecting to the proxy server"""
sock = socks.socksocket()
sock.settimeout(0.1)
sock.set_proxy(socks.SOCKS5, NON_ROUTABLE_IP, SOCKS5_PROXY_PORT)
address = (TEST_SERVER_HOST, TEST_SERVER_PORT)
self.assertRaises(socks.ProxyConnectionError, sock.connect,
address)
sock = socks.socksocket()
sock.settimeout(0.1)
sock.set_proxy(socks.SOCKS5, NON_ROUTABLE_IP, SOCKS5_PROXY_PORT)
address = (TEST_SERVER_HOST, TEST_SERVER_PORT)
try:
sock.connect(address)
except socks.ProxyConnectionError as ex:
self.assertEqual(str(ex.socket_err), 'timed out')
else:
assert False
# 8/13
# TODO: imeplement server that accept connection slowly
#def test_socks5_negotiation_timeout(self):
# """Test timeout during connection to to destination server"""
# sock = socks.socksocket()
# sock.settimeout(0.01)
# sock.set_proxy(socks.SOCKS5, PROXY_HOST_IP, SOCKS5_PROXY_PORT)
# address = (NON_ROUTABLE_IP, TEST_SERVER_PORT)
# self.assertRaises(socks.GeneralProxyError, sock.connect,
# address)
# sock = socks.socksocket()
# sock.settimeout(0.1)
# sock.set_proxy(socks.SOCKS5, PROXY_HOST_IP, SOCKS5_PROXY_PORT)
# address = (NON_ROUTABLE_IP, TEST_SERVER_PORT)
# try:
# sock.connect(address)
# except socks.GeneralProxyError as ex:
# self.assertEqual(str(ex.socket_err), 'timed out')
# else:
# assert False
# 8-1/13
def test_socks5_read_timeout(self):
"""Test timeout during reading from the connected remote server"""
self.test_server.response['sleep'] = 5
sock = socks.socksocket()
sock.settimeout(0.1)
sock.set_proxy(socks.SOCKS5, PROXY_HOST_IP, SOCKS5_PROXY_PORT)
address = (TEST_SERVER_HOST, TEST_SERVER_PORT)
def func():
sock.connect(address)
sock.recv(1)
self.assertRaises(socket.timeout, func)
# 9/13
def test_urllib2_http(self):
original_socket = urllib2.socket.socket
try:
self.test_server.response['data'] = b'zzz'
socks.set_default_proxy(socks.HTTP, PROXY_HOST_IP,
HTTP_PROXY_PORT)
socks.wrap_module(urllib2)
address = (TEST_SERVER_HOST,
TEST_SERVER_PORT)
url = 'http://%s:%d/' % address
res = urllib2.urlopen(url)
resp_body = res.read()
self.assertEqual(200, res.getcode())
self.assertEqual(b'zzz', resp_body)
self.assertTrue(self.test_server
.request['headers']['user-agent']
.startswith('Python-urllib'))
self.assertEqual('%s:%d' % address,
self.test_server.request['headers']['host'])
finally:
urllib2.socket.socket = original_socket
# 10/13
def test_urllib2_socks5(self):
original_socket = urllib2.socket.socket
try:
self.test_server.response['data'] = b'zzz'
socks.set_default_proxy(socks.SOCKS5, PROXY_HOST_IP,
SOCKS5_PROXY_PORT)
socks.wrap_module(urllib2)
address = (TEST_SERVER_HOST,
TEST_SERVER_PORT)
url = 'http://%s:%d/' % address
res = urllib2.urlopen(url)
resp_body = res.read()
self.assertEqual(200, res.getcode())
self.assertEqual(b'zzz', resp_body)
self.assertTrue(self.test_server
.request['headers']['user-agent']
.startswith('Python-urllib'))
self.assertEqual('%s:%d' % address,
self.test_server.request['headers']['host'])
finally:
urllib2.socket.socket = original_socket
# 11/13
def test_global_override_http(self):
original_socket = socket.socket
try:
self.test_server.response['data'] = b'zzz'
socks.set_default_proxy(socks.HTTP, PROXY_HOST_IP,
HTTP_PROXY_PORT)
socket.socket = socks.socksocket
address = (TEST_SERVER_HOST,
TEST_SERVER_PORT)
url = 'http://%s:%d/' % address
res = urllib2.urlopen(url)
resp_body = res.read()
self.assertEqual(200, res.getcode())
self.assertEqual(b'zzz', resp_body)
self.assertTrue(self.test_server
.request['headers']['user-agent']
.startswith('Python-urllib'))
self.assertEqual('%s:%d' % address,
self.test_server.request['headers']['host'])
finally:
socket.socket = original_socket
# 12/13
def test_global_override_socks5(self):
original_socket = socket.socket
try:
self.test_server.response['data'] = b'zzz'
socks.set_default_proxy(socks.SOCKS5, PROXY_HOST_IP,
SOCKS5_PROXY_PORT)
socket.socket = socks.socksocket
address = (TEST_SERVER_HOST,
TEST_SERVER_PORT)
url = 'http://%s:%d/' % address
res = urllib2.urlopen(url)
resp_body = res.read()
self.assertEqual(200, res.getcode())
self.assertEqual(b'zzz', resp_body)
self.assertTrue(self.test_server
.request['headers']['user-agent']
.startswith('Python-urllib'))
self.assertEqual('%s:%d' % address,
self.test_server.request['headers']['host'])
finally:
socket.socket = original_socket
# 12/13
def test_ipv6(self):
sock = socks.socksocket()
# (addr, scopeid, flowinfo, port)
ipv6_tuple = ("::1", 1234, 0, 0)
self.assertRaises(socket.error, sock.connect, ipv6_tuple)
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