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from typing import Optional
from unittest.mock import patch
import pytest
from yarl import URL
from python_socks import ProxyType, ProxyError, ProxyTimeoutError, ProxyConnectionError
from python_socks.async_ import ProxyChain
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,
TEST_URL_IPV4,
SOCKS5_IPV4_HOSTNAME_URL,
TEST_URL_IPV4_HTTPS,
)
from tests.mocks import getaddrinfo_async_mock
curio = pytest.importorskip('curio')
import curio.io # noqa: E402
import curio.ssl as curiossl # noqa: E402
import curio.socket # noqa: E402
from python_socks.async_.curio._resolver import Resolver # noqa: E402
from python_socks.async_.curio import Proxy # noqa: E402
from python_socks.async_.curio._proxy import CurioProxy # noqa: E402
async def make_request(
proxy: CurioProxy,
url: str,
resolve_host=False,
timeout=None,
ssl_context=None,
):
with patch(
'curio.socket.getaddrinfo',
new=getaddrinfo_async_mock(curio.socket.getaddrinfo),
):
url = URL(url)
dest_host = url.host
if resolve_host:
resolver = Resolver()
_, dest_host = await resolver.resolve(url.host)
sock: curio.io.Socket = await proxy.connect(
dest_host=dest_host, dest_port=url.port, timeout=timeout
)
dest_ssl: Optional[curiossl.CurioSSLContext] = None
if url.scheme == 'https':
dest_ssl = curiossl.CurioSSLContext(ssl_context)
if dest_ssl is not None:
sock = await dest_ssl.wrap_socket(
sock,
do_handshake_on_connect=False,
server_hostname=url.host,
)
await sock.do_handshake()
stream = sock.as_stream()
# fmt: off
request = (
'GET {rel_url} HTTP/1.1\r\n'
'Host: {host}\r\n'
'Connection: close\r\n\r\n'
)
# fmt: on
request = request.format(rel_url=url.path_qs, host=url.host)
request = request.encode('ascii')
await stream.write(request)
response = await stream.read(1024)
status_line = response.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)
@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):
async def main():
proxy = Proxy.from_url(SOCKS5_IPV4_URL, rdns=rdns)
status_code = await make_request(
proxy=proxy,
url=url,
resolve_host=resolve_host,
ssl_context=target_ssl_context,
)
assert status_code == 200
curio.run(main)
@pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
def test_socks5_proxy_hostname_ipv4(url, target_ssl_context):
async def main():
proxy = Proxy.from_url(SOCKS5_IPV4_HOSTNAME_URL)
status_code = await make_request(
proxy=proxy,
url=url,
ssl_context=target_ssl_context,
)
assert status_code == 200
curio.run(main)
@pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
@pytest.mark.parametrize('rdns', (None, True, False))
def test_socks5_proxy_ipv4_with_auth_none(url, rdns, target_ssl_context):
async def main():
proxy = Proxy.from_url(SOCKS5_IPV4_URL_WO_AUTH, rdns=rdns)
status_code = await make_request(
proxy=proxy,
url=url,
ssl_context=target_ssl_context,
)
assert status_code == 200
curio.run(main)
def test_socks5_proxy_with_invalid_credentials():
async def main():
proxy = Proxy.create(
proxy_type=ProxyType.SOCKS5,
host=PROXY_HOST_IPV4,
port=SOCKS5_PROXY_PORT,
username=LOGIN,
password=PASSWORD + 'aaa',
)
with pytest.raises(ProxyError):
await make_request(proxy=proxy, url=TEST_URL_IPV4)
curio.run(main)
def test_socks5_proxy_with_connect_timeout():
async def main():
proxy = Proxy.create(
proxy_type=ProxyType.SOCKS5,
host=PROXY_HOST_IPV4,
port=SOCKS5_PROXY_PORT,
username=LOGIN,
password=PASSWORD,
)
with pytest.raises(ProxyTimeoutError):
await make_request(proxy=proxy, url=TEST_URL_IPV4, timeout=0.0001)
curio.run(main)
def test_socks5_proxy_with_invalid_proxy_port(unused_tcp_port):
async def main():
proxy = Proxy.create(
proxy_type=ProxyType.SOCKS5,
host=PROXY_HOST_IPV4,
port=unused_tcp_port,
username=LOGIN,
password=PASSWORD,
)
with pytest.raises(ProxyConnectionError):
await make_request(proxy=proxy, url=TEST_URL_IPV4)
curio.run(main)
@pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
@pytest.mark.skipif(SKIP_IPV6_TESTS, reason="TravisCI doesn't support ipv6")
def test_socks5_proxy_ipv6(url, target_ssl_context):
async def main():
proxy = Proxy.from_url(SOCKS5_IPV6_URL)
status_code = await make_request(
proxy=proxy,
url=url,
ssl_context=target_ssl_context,
)
assert status_code == 200
curio.run(main)
@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):
async def main():
proxy = Proxy.from_url(SOCKS4_URL, rdns=rdns)
status_code = await make_request(
proxy=proxy,
url=url,
resolve_host=resolve_host,
ssl_context=target_ssl_context,
)
assert status_code == 200
curio.run(main)
@pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
def test_http_proxy(url, target_ssl_context):
async def main():
proxy = Proxy.from_url(HTTP_PROXY_URL)
status_code = await make_request(
proxy=proxy,
url=url,
ssl_context=target_ssl_context,
)
assert status_code == 200
curio.run(main)
@pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
def test_proxy_chain(url, target_ssl_context):
async def main():
proxy = ProxyChain(
[
Proxy.from_url(SOCKS5_IPV4_URL),
Proxy.from_url(SOCKS4_URL),
Proxy.from_url(HTTP_PROXY_URL),
]
)
status_code = await make_request(
proxy=proxy, # type: ignore
url=url,
ssl_context=target_ssl_context,
)
assert status_code == 200
curio.run(main)
|
