37 lines
977 B
Python
37 lines
977 B
Python
|
#!/usr/bin/env python3
|
||
|
|
import os
|
||
|
|
import subprocess
|
||
|
|
import sys
|
||
|
|
from urllib.parse import urlparse
|
||
|
|
|
||
|
|
proxy = next(os.environ[_] for _ in ("HTTP_PROXY", "HTTPS_PROXY") if _ in os.environ)
|
||
|
|
|
||
|
|
parsed = urlparse(proxy)
|
||
|
|
|
||
|
|
proxy_protocols = {
|
||
|
|
"http": "connect",
|
||
|
|
"https": "connect",
|
||
|
|
"socks": "5",
|
||
|
|
"socks5": "5",
|
||
|
|
"socks4": "4",
|
||
|
|
"socks4a": "4",
|
||
|
|
}
|
||
|
|
|
||
|
|
if parsed.scheme not in proxy_protocols:
|
||
|
|
raise TypeError('unsupported proxy protocol: "{}"'.format(parsed.scheme))
|
||
|
|
|
||
|
|
def make_argv():
|
||
|
|
yield "nc"
|
||
|
|
if sys.platform == 'linux':
|
||
|
|
# caveats: macOS built-in netcat command not supported proxy-type
|
||
|
|
yield "-X" # --proxy-type
|
||
|
|
# Supported protocols are 4 (SOCKS v4), 5 (SOCKS v5) and connect (HTTP proxy).
|
||
|
|
# Default SOCKS v5 is used.
|
||
|
|
yield proxy_protocols[parsed.scheme]
|
||
|
|
yield "-x" # --proxy
|
||
|
|
yield parsed.netloc # proxy-host:proxy-port
|
||
|
|
yield sys.argv[1] # host
|
||
|
|
yield sys.argv[2] # port
|
||
|
|
|
||
|
|
subprocess.call(make_argv())
|