code
# -*- coding: utf-8 -*-
from subprocess import call
import subprocess
import re
import xmltodict
import json
import re
import requests
import base64
import time
import os
import argparse
import binascii
import configparser
import sys
from requests import Request, Session
currentFile = __file__
realPath = os.path.realpath(currentFile)
dirPath = os.path.dirname(realPath)
dirName = os.path.basename(dirPath)
wvDecrypterexe = dirPath + "/binaries/wvDecrypter.exe"
challengeBIN = dirPath + "/binaries/challenge.bin"
licenceBIN = dirPath + "/binaries/licence.bin"
mp4dump = dirPath + "/binaries/mp4dump.exe"
if os.path.isfile(challengeBIN) : os.remove (challengeBIN)
if os.path.isfile(licenceBIN) : os.remove (licenceBIN)
WV_SYSTEM_ID = 'ed ef 8b a9 79 d6 4a ce a3 c8 27 dc d5 1d 21 ed'
FInput = "encryptedvideo.mp4"
FOutput = "decryptedvideo.mp4"
KID = "a4c1cdo8-39eb-58el-b646-8bfdf427e60a"
pssh = None
mp4_data = subprocess.check_output ([mp4dump, '--format', 'json', '--verbosity', '3', FInput])
mp4_data = json.loads(mp4_data)
for atom in mp4_data:
if atom['name'] == 'moov':
for child in atom['children']:
if child['name'] == 'pssh' and child['system_id'] == f'[(WV_SYSTEM_ID)]':
pssh = re.sub(r'^\[08 01 ([a-f0-9 ]+)\]$', r'\1', child['data'])
pssh = re.sub(r'\8+', '', pssh)
pssh = pssh.strip('[]')
pssh = base64.b64encode (binascii.unhexlify(pssh)).decode('utf-8')
print(f'PSSH: (pssh)')
break
if not pssh:
print('unable to extract PSSSH')
sys.exit(1)
PSSH = pssh
CERTIFICATE = ""
cookies = ""
token = ""
licurl = "https://www.sunnxt.com/content/license/?content_id=70994="
wvdecrypt_video = subprocess.Popen([wvDecrypterexe, '--kid',KID, '--pssh', PSSH, '--certificate', CERTIFICATE, '--input', FInput, '--output', FOutput, '--debug'])
time.sleep(5)
with open(challengeBIN,"rb") as fd:
challenge_decoded =fd.read()
data = challenge_decoded
headers = {
'accept': '*/*',
'accept-encoding': 'gzip, deflate, br',
'accept-language': 'en-GB,en-US;q=0.9,en;q=0.8',
'content-length': '4623',
'cookie': '_ga=GA1.2.975246051.1552289966; _fbp=fb.1.1552290075724.1403904187; _gid=GA1.2.396418812.1554157407; laravel_session=FjoUcOZyhVfX6dc39N85kGddMKV0DROVRS7wZLbU; _gat=1; mp_8417b02dcd9f6d45a5d3a0a7eadb1c4b_mixpanel=%7B%22distinct_id%22%3A%209176320%2C%22%24device_id%22%3A%20%221696bb128e0163-0af1f5159fe13b-3e3d5200-15f900-1696bb128e1f9%22%2C%22%24initial_referrer%22%3A%20%22https%3A%2F%2Fwww.google.com%2F%22%2C%22%24initial_referring_domain%22%3A%20%22www.google.com%22%2C%22__mps%22%3A%20%7B%7D%2C%22__mpso%22%3A%20%7B%7D%2C%22__mpus%22%3A%20%7B%7D%2C%22__mpa%22%3A%20%7B%7D%2C%22__mpu%22%3A%20%7B%7D%2C%22__mpr%22%3A%20%5B%5D%2C%22__mpap%22%3A%20%5B%5D%2C%22%24search_engine%22%3A%20%22google%22%2C%22data%20Connection%22%3A%20%22NULL%22%2C%22city%22%3A%20%22%22%2C%22country%22%3A%20%22India%22%2C%22gps%22%3A%20%22NULL%22%2C%22session%20id%22%3A%20%22NULL%22%2C%22email%20id%22%3A%20%22ambadysuresh9745%40gmail.com%22%2C%22mobile%20no%22%3A%20%22NULL%22%2C%22Device-ID%22%3A%20%22NULL%22%2C%22%24user_id%22%3A%209176320%2C%22user%20id%22%3A%209176320%7D; XSRF-TOKEN=eyJpdiI6IlRaY2J6dm5tTHJuY0pNV3NrV0hqYnc9PSIsInZhbHVlIjoiRENlMzdEQ1VpTWxnMXhGWHRhdHhcL0VZc3ZQM016QnNVR2tRZ1QwM3psQm02MnhRMFk1Q1hMWUs4ZXFDeWk2ZU9oSGI1clE2cnp3aERjSWNcL3hOUHNUdz09IiwibWFjIjoiNWY2ZjM2MDc3ZmMyNWU1ODUxMDY4YmNjZThkN2FhMGMzYjAwYWQ4ZjljYzY3MDhmNTNjMjg0MmE0MDU0MmY1MiJ9',
'origin':'https://www.sunnxt.com',
'referer': 'https://www.sunnxt.com/movie/detail/6604/Nela-Ticket/',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36',
}
print("\nSending POST request to license url...\n")
resp = requests.post(url=licurl, data=data, headers=headers)
license_decoded = resp.content
print(license_decoded)
licenseb64 = base64.b64encode(license_decoded)
with open(licenceBIN, "wb") as ld:
ld.write(license_b64)
stdoutdata, stderrdata = wvdecrypt_video.communicate()
if str(wvdecrypt_video.returncode) == "0":
os.remove(challengeBIN)
os.remove(licenceBIN)
