#!/usr/bin/env python

# Usage: xangareg.py username pass email

import urllib, urllib2, re, sys, os, time

pwntcha = "/path/to/pwntcha/src/pwntcha -q -m xanga -s /path/to/pwntcha/share"
user_agent = "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/125.5.5 (KHTML, like Gecko) Safari/125.12"
username = sys.argv[1]
password = sys.argv[2]
email = sys.argv[3]

print "Filing Xanga form:", username, password, email
data = {}
firstpass = 1
pic = ""

while True:
    # Request registration page
    r = urllib2.Request("http://www.xanga.com/register.aspx", urllib.urlencode(data))
    r.add_header('User-Agent', user_agent)
    f = urllib2.build_opener().open(r)

    # Parse registration page to get form data
    re_input = re.compile(".*<input.*name=\"([^\"]*)\".*value=\"([^\"]*)\".*")
    re_image = re.compile(".*src=\"(randletters[^\"]*)\".*")
    re_error = re.compile("<span id=\"lblError[^>]*>(<[^>]*>)*([^<]*)(<[^>]*>)*")
    error = ""
    while True:
        l = f.readline()
        if not l:
            break
        m = re_input.match(l)
        if m:
            data[m.group(1)] = m.group(2)
        m = re_image.match(l)
        if m:
            pic = m.group(1).replace("&amp;", "&")
        m = re_error.match(l.strip())
        if m:
            error = m.group(2)
            if "Please type in the code" in error:
                print "Captcha cracking failed, trying again."
            else:
                print "Xanga error:", m.group(2)
                sys.exit(0)
    f.close()

    if not firstpass and not error:
        print "Success."
        break
    firstpass = 0

    # Fill in our form
    data['txtUsername'] = username
    data['txtPassword1'] = password
    data['txtPassword2'] = password
    data['txtEmail'] = email
    data['chkOver13'] = 1
    data['chkReadTerms'] = 1

    # Get the captcha
    print "Cracking captcha..."
    filename = re.compile("[^0-9]*([0-9a-z]*).*").match(pic).group(1) + ".jpeg"
    r = urllib2.Request("http://www.xanga.com/" + pic)
    r.add_header('User-Agent', user_agent)
    f = urllib2.build_opener().open(r)
    image = file(filename, "w+")
    image.write(f.read())
    image.close()

    # Crack captcha using pwntcha -- Sam's pwntcha is so <3
    fd = os.popen(pwntcha + " " + filename)
    while True:
        l = fd.readline()
        if not l:
            break
        data['txtLetters'] = l.strip()
    fd.close()

    # Remove captcha
    os.unlink(filename)

    print "Submitting data..."