Livebox IP

livebox-ip.py

#!/usr/bin/env python
"""
This file provides a class to connect to the Livebox router
and get his public IP address.
The Livebox router is provided by Orange, a French ISP.

Usage
-----

    $ python livebox-ip.py

or with the `dyndnsc` client (https://nsupdate.info/)

    $ dyndnsc --hostname test.dyndns.com --userid bob --method=command,command:"python livebox-ip.py"

This script was tested with Python 2.7 and 3.4 on Linux
using a Livebox 2 firmware: FAST3XXX_6814BC

Author: Pablo SEMINARIO <pablo@seminar.io>
URL: https://gist.github.com/pabluk/a47aa7c91ea4802314f7

"""
import re
import socket
import struct

try:
    from urllib.request import urlopen
except ImportError:
    from urllib2 import urlopen


class Livebox:
    """
    A simple class to connect to the Livebox router and extract his
    public IP address.
    """
    def _get_default_gateway(self):
        """
        Read the default gateway directly from /proc. Only for Linux systems.
        https://gist.github.com/ssokolow/1059982
        """
        with open("/proc/net/route") as fh:
            for line in fh:
                fields = line.strip().split()
                if fields[1] != '00000000' or not int(fields[3], 16) & 2:
                    continue
                return socket.inet_ntoa(struct.pack("<L", int(fields[2], 16)))

    def get_public_ip(self):
        """
        Parse Livebox's homepage and extract public IP address
        """
        livebox_homepage = "http://%s/" % self._get_default_gateway()
        response = urlopen(livebox_homepage)
        response_text = response.read().decode('utf-8')

        ip_re = r'<td class="libelle">Adresse IP WAN :</td>\n\t\t\t\t\t' \
                r'<td class="value">(?P<ipaddr>[\d\.]+)</td>'
        re_match = re.search(ip_re, response_text)
        return re_match.group('ipaddr')


if __name__ == "__main__":
    livebox = Livebox()
    print(livebox.get_public_ip())