#!/usr/bin/env python


try:
    import sys
    import os
    from subprocess import call

    host, port = sys.argv[1:3]
    proxy = os.environ.get('HTTP_PROXY')

    if proxy:
        proxy = proxy.strip('/')
        if proxy[:7] == 'http://':
            proxy = proxy[7:]
        elif proxy[:8] == 'https://':
            proxy = proxy[8:]
        s = proxy.split('@')
        user = None
        if len(s) == 2:
            user, proxy = s
        args = ['proxytunnel', '-p', proxy, '-d', host + ':' + '443']
        if user:
            args += ['-P', user]
        call(args)

    else:
        call(['nc', host, port])
except KeyboardInterrupt:
    pass


# #!/usr/bin/env bash
# host="$1"
# port="$2"
# 
# if [ -z $HTTP_PROXY ]; then
#     nc "$host" "$port"
# else
#     proxytunnel -p "$HTTP_PROXY" -d "$host:$port"
# fi