#!/usr/bin/env python
# -*- coding: UTF-8 -*-
#
# this program change dynamic ip if you using livebox (orange) wireless router
# Copyright (C) 2010 Jakub Jankiewicz (jcubic@onet.pl)
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
import base64
import  urllib2
import urllib
from getopt import getopt
from sys import argv
from os.path import basename

def send(data, host, passwd):
    "send request to livebox SubmitInternetService."
    action = 'http://%s/SubmitInternetService' % host
    req = urllib2.Request(action, urllib.urlencode(data))
    passwd = base64.b64encode('%s:%s' % ('admin', passwd))
    req.add_header('Authorization',  'Basic %s' % passwd)
    request = urllib2.urlopen(req)
    return request.read()

def disconnect(host, passwd):
    "disconnect from internet."
    data = {'ACTION_DISCONNECT': 'Roz&#322;&#261;cz'}
    return send(data, host, passwd)

def connect(host, passwd):
    "connect to the internet."
    data = {'ACTION_CONNECT': 'Po&#322;&#261;cz'}
    return send(data, host, passwd)


if __name__ == '__main__':
    usage = """this script change your ip adress if you using livebox top

usage:
%s -p <password> -h <host adress>

default password is 'admin'
default host is 192.168.1.1
""" % basename(argv[0])
    opts, rest = getopt(argv[1:], 'p:h:')
    opts = dict(opts)
    if len(rest) == 0:
        passwd = opts.get('-p', 'admin')
        host = opts.get('-h', '192.168.1.1')
        try:
            disconnect(host, passwd)
            connect(host, passwd)
        except urllib2.HTTPError, e:
            if e.code == 401:
                print 'wrong password'
            else:
                print 'Error: %s' % e.args
            exit(1)
        except urllib2.URLError, e:
            print 'Error: %s' % ' '.join(e.args)
        else:
            print "password successfuly changed"
    else:
        print usage