sniper.py

import sys                                                                                                                                                           
import requests
import getpass
from lxml import html                                                                                                                                                                     
                                                                                                                                                                     
while True:                                                                                                                                                          
  try:                                                                                                                                                               
    minecraftUsername = input("Please Enter Your Username: ")                                                                                                        
  except ValueError:                                                                                                                                                 
    print("Sorry, I didn't understand that")                                                                                                                         
    continue                                                                                                                                                         
  if len(minecraftUsername) < 3 or len(minecraftUsername) > 16:                                                                                                      
    print("Invalid Username, Please Enter a Valid Username")                                                                                                         
    continue                                                                                                                                                         
                                                                                                                                                                     
  u = requests.get("https://api.mojang.com/users/profiles/minecraft/" + minecraftUsername)                                                                           
  if u.status_code == 204:                                                                                                                                           
    print("Invalid Username, Please Enter a Valid Username")                                                                                                         
    continue                                                                                                                                                         
  else:                                                                                                                                                              
    break                                                                                                                                                            


minecraftEmail = input("Please Enter Your Email: ")                                                                                                                                                             
minecraftPassword = getpass.getpass("Please Enter Your Password: ")                                                                                                        

loginHeaders = {
    'Host': 'account.mojang.com',
    'Referer': 'https://account.mojang.com/login',
    'Connection': 'keep-alive',
    'Upgrade-Insecure-Requests': '1',
}

loginData = {
  'authenticityToken': '080ba189708ffeb3be34570e38d58a0247be033b',
  'username': minecraftEmail,
  'password': minecraftPassword,
  'remember': 'true'
}

l = requests.post('https://account.mojang.com/login', headers=loginHeaders, data=loginData)
lParse = html.fromstring(l.content)

questionNamespaces={ 'x': 'http://www.w3.org/1999/xhtml', }

question1 = lParse.xpath('id("challengeForm")/fieldset[1]/label/text()', namespaces=questionNamespaces)
question2 = lParse.xpath('id("challengeForm")/fieldset[2]/label/text()', namespaces=questionNamespaces)
question3 = lParse.xpath('id("challengeForm")/fieldset[3]/label/text()', namespaces=questionNamespaces)

id1 = lParse.xpath('id("challengeForm")/input[2]/@value')
id2 = lParse.xpath('id("challengeForm")/input[3]/@value')
id3 = lParse.xpath('id("challengeForm")/input[4]/@value')

print("SECURITY QUESTIONS")

answer1 = input(question1[0].replace('["','').replace('"]','') + ": ")
answer2 = input(question2[0].replace('["','').replace('"]','') + ": ")
answer3 = input(question3[0].replace('["','').replace('"]','') + ": ")

qCookies = {
    '_ga': 'GA1.2.1107785894.1487885148',
    '_gat': '1',
    '__utmt': '1',
    'rememberme': '1d16cf46925ddc8183ad3a54b6921cf2e2d3a60f-mundus2018@gmail.com-1490477197518',
    'PLAY_SESSION': 'a348a9bb2cf34706af7c1836c1efc95847195e8b-___AT=10ab26e913d91065228ed49aad866c3f3d776aa1&___ID=74eceab9-457e-43b7-b57a-b103fb541137&showInfoBar=false&useremail=mundus2018%40gmail.com&username=mundus2018%40gmail.com',
    '__utma': '111701652.1107785894.1487885148.1487885153.1487885153.1',
    '__utmb': '111701652.9.9.1487885199857',
    '__utmc': '111701652',
    '__utmz': '111701652.1487885153.1.1.utmcsr=mojang.com|utmccn=(referral)|utmcmd=referral|utmcct=/',
}

qHeaders = {
    'Origin': 'https://account.mojang.com',
    'Accept': '*/*',
    'Referer': 'https://account.mojang.com/me/challenge',
    'X-Requested-With': 'XMLHttpRequest',
    'Connection': 'keep-alive',
    'DNT': '1',
}

qData = {
  'authenticityToken': '10ab26e913d91065228ed49aad866c3f3d776aa1',
  'answer0': answer1,
  'questionId0': id1[0].replace('["','').replace('"]',''),
  'answer1': answer2,
  'questionId1': id2[0].replace('["','').replace('"]',''),
  'answer2': answer3,
  'questionId2': id3[0].replace('["','').replace('"]',''),
}

d = requests.post('https://account.mojang.com/me/completeChallenge', headers=qHeaders, cookies=qCookies, data=qData)

print(d.content)