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import socket
from unittest import mock
import pytest
from yarl import URL
from python_socks import ProxyType, ProxyError, ProxyTimeoutError, ProxyConnectionError
from python_socks.sync import Proxy
from python_socks.sync import ProxyChain
from python_socks.sync._proxy import SyncProxy # noqa
from python_socks.sync._resolver import SyncResolver # noqa
from tests.config import (
PROXY_HOST_IPV4,
SOCKS5_PROXY_PORT,
LOGIN,
PASSWORD,
SKIP_IPV6_TESTS,
SOCKS5_IPV4_URL,
SOCKS5_IPV4_URL_WO_AUTH,
SOCKS5_IPV6_URL,
SOCKS4_URL,
HTTP_PROXY_URL,
HTTP_PROXY_PORT,
TEST_URL_IPV4,
TEST_URL_IPv6,
SOCKS5_IPV4_HOSTNAME_URL,
TEST_URL_IPV4_HTTPS,
)
from tests.mocks import getaddrinfo_sync_mock
def read_status_code(sock: socket.socket) -> int:
data = sock.recv(1024)
status_line = data.split(b'\r\n', 1)[0]
status_line = status_line.decode('utf-8', 'surrogateescape')
version, status_code, *reason = status_line.split()
return int(status_code)
def make_request(
proxy: SyncProxy,
url: str,
resolve_host=False,
timeout=None,
ssl_context=None,
):
with mock.patch('socket.getaddrinfo', new=getaddrinfo_sync_mock()):
url = URL(url)
dest_host = url.host
if resolve_host:
resolver = SyncResolver()
_, dest_host = resolver.resolve(url.host)
sock: socket.socket = proxy.connect(
dest_host=dest_host, dest_port=url.port, timeout=timeout
)
if url.scheme == 'https':
assert ssl_context is not None
sock = ssl_context.wrap_socket(sock=sock, server_hostname=url.host)
request = 'GET {rel_url} HTTP/1.1\r\nHost: {host}\r\nConnection: close\r\n\r\n'
request = request.format(rel_url=url.path_qs, host=url.host)
request = request.encode('ascii')
sock.sendall(request)
status_code = read_status_code(sock)
sock.close()
return status_code
@pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
@pytest.mark.parametrize('rdns', (True, False))
@pytest.mark.parametrize('resolve_host', (True, False))
def test_socks5_proxy_ipv4(url, rdns, resolve_host, target_ssl_context):
proxy = Proxy.from_url(SOCKS5_IPV4_URL, rdns=rdns)
status_code = make_request(
proxy=proxy,
url=url,
resolve_host=resolve_host,
ssl_context=target_ssl_context,
)
assert status_code == 200
def test_socks5_proxy_hostname_ipv4():
proxy = Proxy.from_url(SOCKS5_IPV4_HOSTNAME_URL)
status_code = make_request(
proxy=proxy,
url=TEST_URL_IPV4,
)
assert status_code == 200
@pytest.mark.parametrize('rdns', (None, True, False))
def test_socks5_proxy_ipv4_with_auth_none(rdns):
proxy = Proxy.from_url(SOCKS5_IPV4_URL_WO_AUTH, rdns=rdns)
status_code = make_request(proxy=proxy, url=TEST_URL_IPV4)
assert status_code == 200
def test_socks5_proxy_with_invalid_credentials():
proxy = Proxy.create(
proxy_type=ProxyType.SOCKS5,
host=PROXY_HOST_IPV4,
port=SOCKS5_PROXY_PORT,
username=LOGIN,
password=PASSWORD + 'aaa',
)
with pytest.raises(ProxyError):
make_request(proxy=proxy, url=TEST_URL_IPV4)
def test_socks5_proxy_with_connect_timeout():
proxy = Proxy.create(
proxy_type=ProxyType.SOCKS5,
host=PROXY_HOST_IPV4,
port=SOCKS5_PROXY_PORT,
username=LOGIN,
password=PASSWORD,
)
with pytest.raises(ProxyTimeoutError):
make_request(proxy=proxy, url=TEST_URL_IPV4, timeout=0.001)
def test_socks5_proxy_with_invalid_proxy_port(unused_tcp_port):
proxy = Proxy.create(
proxy_type=ProxyType.SOCKS5,
host=PROXY_HOST_IPV4,
port=unused_tcp_port,
username=LOGIN,
password=PASSWORD,
)
with pytest.raises(ProxyConnectionError):
make_request(proxy=proxy, url=TEST_URL_IPV4)
@pytest.mark.skipif(SKIP_IPV6_TESTS, reason="TravisCI doesn't support ipv6")
def test_socks5_proxy_ipv6():
proxy = Proxy.from_url(SOCKS5_IPV6_URL)
status_code = make_request(proxy=proxy, url=TEST_URL_IPV4)
assert status_code == 200
@pytest.mark.skipif(SKIP_IPV6_TESTS, reason="TravisCI doesn't support ipv6")
@pytest.mark.parametrize('rdns', (True, False))
def test_socks5_proxy_hostname_ipv6(rdns):
proxy = Proxy.from_url(SOCKS5_IPV4_URL, rdns=rdns)
status_code = make_request(proxy=proxy, url=TEST_URL_IPv6)
assert status_code == 200
@pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
@pytest.mark.parametrize('rdns', (None, True, False))
@pytest.mark.parametrize('resolve_host', (True, False))
def test_socks4_proxy(url, rdns, resolve_host, target_ssl_context):
proxy = Proxy.from_url(SOCKS4_URL, rdns=rdns)
status_code = make_request(
proxy=proxy,
url=url,
resolve_host=resolve_host,
ssl_context=target_ssl_context,
)
assert status_code == 200
@pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
def test_http_proxy(url, target_ssl_context):
proxy = Proxy.from_url(HTTP_PROXY_URL)
status_code = make_request(
proxy=proxy,
url=url,
ssl_context=target_ssl_context,
)
assert status_code == 200
def test_http_proxy_with_invalid_credentials():
proxy = Proxy.create(
proxy_type=ProxyType.HTTP,
host=PROXY_HOST_IPV4,
port=HTTP_PROXY_PORT,
username=LOGIN,
password=PASSWORD + 'aaa',
)
with pytest.raises(ProxyError):
make_request(proxy=proxy, url=TEST_URL_IPV4)
@pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
def test_proxy_chain(url, target_ssl_context):
proxy = ProxyChain(
[
Proxy.from_url(SOCKS5_IPV4_URL),
Proxy.from_url(SOCKS4_URL),
Proxy.from_url(HTTP_PROXY_URL),
]
)
status_code = make_request(
proxy=proxy, # type: ignore
url=url,
ssl_context=target_ssl_context,
)
assert status_code == 200
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