#!/usr/bin/python

# Script to log into the login.tikona.in page

#

# Needs a config file with username and password in

# /etc/network-auto-logins or in a user's home dir:

# $HOME/etc/network-auto-logins

#

# The config file format is:

#   [Tikona]

#   username: xyz

#   password: 123

#

# Ensure to adjust the permissions of the config file so that only

# root or the user has read/write access.

#

# Author: Amit Shah <amitshah@gmx.net>

# Copyright (C) 2010, Amit Shah <amitshah@gmx.net>

#

# Distributed under the GPL v2, see the file COPYING for details.

import urllib, urllib2, cookielib, ConfigParser, os

from re import search

debug = 0

config = ConfigParser.RawConfigParser()

cfg_file = config.read(['/etc/network-auto-logins',

                        os.path.expanduser('~/etc/network-auto-logins')])

if not cfg_file:

    print "error: no accessible config file found"

    exit(1)

try:

    username = config.get('Tikona', 'username')

    password = config.get('Tikona', 'password')

except:

    print "error: no username or password specified in the 'Tikona' section"

    print "error: using config file(s) ",

    print cfg_file

    exit(2)

cj = cookielib.CookieJar()

opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))

try:

    f = opener.open("http://google.com")

    s = f.read()

except:

    # network is up, but can't resolve hostnames?

    print "error: cannot reach google.com"

    exit(3)

refresh_url_pattern = "HTTP-EQUIV=\"Refresh\" CONTENT=\"2;URL=(.*)\">"

refresh_url = search(refresh_url_pattern, s)

if not refresh_url:

    print "error: no refresh url obtained"

    if debug:

        print s

    exit(0)

if debug:

    print refresh_url.group(1)

if not search(".*tikona.*", refresh_url.group(0)):

    print "not on tikona network"

    exit(0)

base_url_pattern = "(http.*/)(\?.*)$"

base_url = search(base_url_pattern, refresh_url.group(0))

if not base_url:

    print "error: couldn't get baseurl"

    if debug:

        print refresh_url.group(1)

    exit(4)

if debug:

    print "baseurl: " + base_url.group(1)

f = opener.open(refresh_url.group(1))

s = f.read()

load_form_pattern = ".*action=\"(.*)\";"

load_form_id = search(load_form_pattern, s)

load_form_url = base_url.group(1) + load_form_id.group(1)

if debug:

    print s

    print "load form id: " + load_form_id.group(1)

    print "load_form_url: " + load_form_url

f = opener.open(load_form_url)

if debug:

    s = f.read()

    print s

# This comes from cookie.js, hardcoding here

#

# TODO: Read all the js files and find out what the action is for

# the savesetting() function.

#

# TODO: Also find out which function is invoked on submit:

# currently it's the savesetting() function.

#

login_form_id = "newlogin.do?phone=0"

type = "2"

login_form_url = base_url.group(1) + login_form_id

if debug:

    print "Using login form url: " + login_form_url

login_data = urllib.urlencode({'username': username, 'password': password,

                               'type': type})

f = opener.open(login_form_url, login_data)

if debug:

    s = f.read()

    print s

exit(0)