Yowsup utility to have the updated APK of WhatsApp, process it and obtain the version of WhatsApp and Classdex md5

yowsup-wsp-latest-version.js

#!/usr/bin/python3
# 
# Yowsup utility to have the updated APK of WhatsApp, process it and obtain the version of WhatsApp and Classdex md5
# Using this data in env_android.py will decrease the probability that WhatsApp will ban you
# 
# Install dependencies before use:
# sudo pip3 install Request requests http cookiejar bs4 apkutils
#
# Example output: 
# WhatsApp Version: 2.17.296
# WhatsApp MD5 Classes: YrJNPljM3TuNFPIOZ+jziw==
#
# Based on:
# @masbog dexMD5.py https://gist.github.com/masbog/d29c779539581defbf542e70ce724ed8
# @vjyanand yowsup-utilities.py https://gist.github.com/vjyanand/92c062f26b2235bc150062731ae2da63
#
# By @leopoldobrines7
#

import os, sys, base64, hashlib
import requests, zipfile

from http.cookiejar import CookieJar
from requests.packages.urllib3.exceptions import InsecureRequestWarning
from bs4 import BeautifulSoup
from xml.dom import minidom
from apkutils import AXML

try:
	import urllib.request as urllib2
except ImportError:
	import urllib2

# Remove this warning from output:
#
# InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings InsecureRequestWarning)
#

requests.packages.urllib3.disable_warnings(InsecureRequestWarning)

# Variables

url = "https://www.cdn.whatsapp.net/android/"
whatsappFileName = "whatsapp.apk"

# Get download url from official WhatsApp CDN

response = requests.request("GET", url, verify=False)
soup = BeautifulSoup(response.text, "html.parser")
label = soup.find_all(attrs={"id": "action-button"})
download_url = label[0]['href']

## Remove old WhatsApp apk if there is

try:
	os.remove(whatsappFileName)
except OSError:
	pass

## Download WhatsApp apk

print("URL download for APK : "+download_url)

with open(whatsappFileName, "wb") as f:
		print ("Downloading %s" % whatsappFileName)
		response = requests.get(download_url, stream=True)
		total_length = response.headers.get('content-length')

		if total_length is None: # no content length header
			f.write(response.content)
		else:
			dl = 0
			total_length = int(total_length)
			for data in response.iter_content(chunk_size=4096):
				dl += len(data)
				f.write(data)
				done = int(50 * dl / total_length)
				sys.stdout.write("\r[%s%s]" % ('=' * done, ' ' * (50-done)) )    
				sys.stdout.flush()

## Process WhatsApp APK

print("\n=== Processing APK ===")		
whatsappZipFile = zipfile.ZipFile(whatsappFileName,'r')

# Get actual version of WhatsApp

bytesAndroidManifest = whatsappZipFile.read('AndroidManifest.xml')

axml = AXML(bytesAndroidManifest) # Get AXML from app
xml = minidom.parseString(axml.get_buff()) # Convert to XML
whatsapp_version = xml.documentElement.getAttributeNS('http://schemas.android.com/apk/res/android', "versionName") # Get versionName Attribute

# Get MD5 of classes.dex file

bytesClasses = whatsappZipFile.read('classes.dex')

md5_classes = hashlib.md5()
md5_classes.update(bytesClasses)
md5_classes = md5_classes.digest() # Convert bytes to bytes-like object
md5_classes = base64.b64encode(md5_classes) # Convert from bytes-like object to Base64
md5_classes = md5_classes.decode("utf-8") # Convert from bytes64 to UTF-8

## Print WhatsApp info for Yowsup

print("WhatsApp Version: " + whatsapp_version)
print("WhatsApp MD5 Classes: " + md5_classes)