Strings Extractor for APK

str-extracts.py

# -*- coding: utf_8 -*-

# sudo pip install androguard django

import io
import os
import subprocess
import sys
from androguard.core.bytecodes import apk
from django.conf import settings

def strings_jar(app_file, app_dir):
    """
    Extract the strings from an app.
    from https://github.com/MobSF/Mobile-Security-Framework-MobSF/blob/master/StaticAnalyzer/views/android/strings.py
    """
    try:
        print("\x1b[0;35;40m[INFO] Extracting Strings from APK\x1b[0m")
        dat = []
        apk_file = os.path.join(app_dir, app_file)
        and_a = apk.APK(apk_file)
        rsrc = and_a.get_android_resources() 
        pkg = rsrc.get_packages_names()[0]
        rsrc.get_strings_resources()
        for i in rsrc.values[pkg].keys():
            string = rsrc.values[pkg][i].get('string')
            if string is None:
                return dat
            for duo in string:
                dat.append('"'+duo[0]+'" : "'+duo[1]+'"') 
        return dat
    except:
        sys.exit("\x1b[0;31;40m[ERROR] Extracting Strings from APK\x1b[0m")

def main():
    app_dir = raw_input("Enter a application path: ")
    if os.path.isdir(app_dir) is True:
        app_file = raw_input("Enter a application file: ")
        if os.path.exists(app_dir + "/" + app_file) is True:
            print("-----------------------------")
            out = "\n".join(strings_jar(app_file, app_dir))
            print(out)
            res = io.open(app_file + "-strings.txt", "w", encoding="utf8")
            res.write(out)
        else:
            sys.exit("\x1b[0;31;40m[ERROR] Application file not found\x1b[0m")
    else:
        sys.exit("\x1b[0;31;40m[ERROR] Application path doesn't exists\x1b[0m")

if __name__== "__main__":
    main()