kopia lustrzana https://github.com/noDRM/DeDRM_tools
470 wiersze
15 KiB
Python
470 wiersze
15 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from __future__ import with_statement
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# androidkindlekey.py
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# Copyright © 2013-15 by Thom and Apprentice Harper
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# Some portions Copyright © 2010-15 by some_updates and Apprentice Alf
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#
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# Revision history:
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# 1.0 - AmazonSecureStorage.xml decryption to serial number
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# 1.1 - map_data_storage.db decryption to serial number
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# 1.2 - Changed to be callable from AppleScript by returning only serial number
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# - and changed name to androidkindlekey.py
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# - and added in unicode command line support
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# 1.3 - added in TkInter interface, output to a file
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# 1.4 - Fix some problems identified by Aldo Bleeker
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# 1.5 - Fix another problem identified by Aldo Bleeker
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"""
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Retrieve Kindle for Android Serial Number.
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"""
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from __future__ import print_function
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__license__ = 'GPL v3'
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__version__ = '1.5'
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import os
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import sys
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import traceback
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import getopt
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import tempfile
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import zlib
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import tarfile
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from hashlib import md5
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from cStringIO import StringIO
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from binascii import a2b_hex, b2a_hex
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# Routines common to Mac and PC
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# Wrap a stream so that output gets flushed immediately
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# and also make sure that any unicode strings get
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# encoded using "replace" before writing them.
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class SafeUnbuffered:
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def __init__(self, stream):
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self.stream = stream
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self.encoding = stream.encoding
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if self.encoding == None:
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self.encoding = "utf-8"
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def write(self, data):
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if isinstance(data,unicode):
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data = data.encode(self.encoding,"replace")
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self.stream.write(data)
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self.stream.flush()
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def __getattr__(self, attr):
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return getattr(self.stream, attr)
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try:
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from calibre.constants import iswindows, isosx
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except:
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iswindows = sys.platform.startswith('win')
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isosx = sys.platform.startswith('darwin')
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def unicode_argv():
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if iswindows:
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# Uses shell32.GetCommandLineArgvW to get sys.argv as a list of Unicode
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# strings.
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# Versions 2.x of Python don't support Unicode in sys.argv on
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# Windows, with the underlying Windows API instead replacing multi-byte
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# characters with '?'. So use shell32.GetCommandLineArgvW to get sys.argv
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# as a list of Unicode strings and encode them as utf-8
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from ctypes import POINTER, byref, cdll, c_int, windll
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from ctypes.wintypes import LPCWSTR, LPWSTR
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GetCommandLineW = cdll.kernel32.GetCommandLineW
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GetCommandLineW.argtypes = []
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GetCommandLineW.restype = LPCWSTR
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CommandLineToArgvW = windll.shell32.CommandLineToArgvW
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CommandLineToArgvW.argtypes = [LPCWSTR, POINTER(c_int)]
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CommandLineToArgvW.restype = POINTER(LPWSTR)
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cmd = GetCommandLineW()
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argc = c_int(0)
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argv = CommandLineToArgvW(cmd, byref(argc))
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if argc.value > 0:
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# Remove Python executable and commands if present
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start = argc.value - len(sys.argv)
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return [argv[i] for i in
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xrange(start, argc.value)]
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# if we don't have any arguments at all, just pass back script name
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# this should never happen
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return [u"kindlekey.py"]
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else:
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argvencoding = sys.stdin.encoding
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if argvencoding == None:
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argvencoding = "utf-8"
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return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
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class DrmException(Exception):
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pass
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STORAGE = u"backup.ab"
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STORAGE1 = u"AmazonSecureStorage.xml"
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STORAGE2 = u"map_data_storage.db"
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class AndroidObfuscation(object):
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'''AndroidObfuscation
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For the key, it's written in java, and run in android dalvikvm
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'''
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key = a2b_hex('0176e04c9408b1702d90be333fd53523')
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def encrypt(self, plaintext):
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cipher = self._get_cipher()
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padding = len(self.key) - len(plaintext) % len(self.key)
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plaintext += chr(padding) * padding
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return b2a_hex(cipher.encrypt(plaintext))
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def decrypt(self, ciphertext):
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cipher = self._get_cipher()
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plaintext = cipher.decrypt(a2b_hex(ciphertext))
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return plaintext[:-ord(plaintext[-1])]
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def _get_cipher(self):
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try:
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from Crypto.Cipher import AES
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return AES.new(self.key)
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except ImportError:
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from aescbc import AES, noPadding
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return AES(self.key, padding=noPadding())
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class AndroidObfuscationV2(AndroidObfuscation):
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'''AndroidObfuscationV2
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'''
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count = 503
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password = 'Thomsun was here!'
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def __init__(self, salt):
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key = self.password + salt
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for _ in range(self.count):
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key = md5(key).digest()
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self.key = key[:8]
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self.iv = key[8:16]
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def _get_cipher(self):
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try :
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from Crypto.Cipher import DES
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return DES.new(self.key, DES.MODE_CBC, self.iv)
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except ImportError:
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from python_des import Des, CBC
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return Des(self.key, CBC, self.iv)
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def parse_preference(path):
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''' parse android's shared preference xml '''
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storage = {}
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read = open(path)
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for line in read:
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line = line.strip()
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# <string name="key">value</string>
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if line.startswith('<string name="'):
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index = line.find('"', 14)
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key = line[14:index]
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value = line[index+2:-9]
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storage[key] = value
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read.close()
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return storage
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def get_serials1(path=STORAGE1):
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''' get serials from android's shared preference xml '''
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if not os.path.isfile(path):
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return []
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storage = parse_preference(path)
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salt = storage.get('AmazonSaltKey')
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if salt and len(salt) == 16:
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obfuscation = AndroidObfuscationV2(a2b_hex(salt))
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else:
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obfuscation = AndroidObfuscation()
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def get_value(key):
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encrypted_key = obfuscation.encrypt(key)
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encrypted_value = storage.get(encrypted_key)
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if encrypted_value:
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return obfuscation.decrypt(encrypted_value)
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return ''
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# also see getK4Pids in kgenpids.py
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try:
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dsnid = get_value('DsnId')
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except:
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sys.stderr.write('cannot get DsnId\n')
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return []
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try:
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tokens = set(get_value('kindle.account.tokens').split(','))
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except:
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return []
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serials = []
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if dsnid:
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serials.append(dsnid)
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for token in tokens:
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if token:
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serials.append('%s%s' % (dsnid, token))
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serials.append(token)
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return serials
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def get_serials2(path=STORAGE2):
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''' get serials from android's sql database '''
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if not os.path.isfile(path):
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return []
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import sqlite3
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connection = sqlite3.connect(path)
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cursor = connection.cursor()
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cursor.execute('''select userdata_value from userdata where userdata_key like '%/%token.device.deviceserialname%' ''')
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userdata_keys = cursor.fetchall()
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dsns = []
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for userdata_row in userdata_keys:
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try:
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if userdata_row and userdata_row[0]:
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userdata_utf8 = userdata_row[0].encode('utf8')
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if len(userdata_utf8) > 0:
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dsns.append(userdata_utf8)
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except:
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print("Error getting one of the device serial name keys")
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traceback.print_exc()
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pass
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dsns = list(set(dsns))
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cursor.execute('''select userdata_value from userdata where userdata_key like '%/%kindle.account.tokens%' ''')
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userdata_keys = cursor.fetchall()
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tokens = []
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for userdata_row in userdata_keys:
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try:
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if userdata_row and userdata_row[0]:
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userdata_utf8 = userdata_row[0].encode('utf8')
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if len(userdata_utf8) > 0:
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tokens.append(userdata_utf8)
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except:
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print("Error getting one of the account token keys")
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traceback.print_exc()
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pass
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tokens = list(set(tokens))
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serials = []
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for x in dsns:
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serials.append(x)
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for y in tokens:
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serials.append('%s%s' % (x, y))
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for y in tokens:
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serials.append(y)
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return serials
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def get_serials(path=STORAGE):
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'''get serials from files in from android backup.ab
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backup.ab can be get using adb command:
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shell> adb backup com.amazon.kindle
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or from individual files if they're passed.
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'''
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if not os.path.isfile(path):
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return []
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basename = os.path.basename(path)
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if basename == STORAGE1:
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return get_serials1(path)
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elif basename == STORAGE2:
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return get_serials2(path)
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output = None
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try :
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read = open(path, 'rb')
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head = read.read(24)
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if head[:14] == 'ANDROID BACKUP':
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output = StringIO(zlib.decompress(read.read()))
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except Exception:
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pass
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finally:
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read.close()
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if not output:
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return []
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serials = []
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tar = tarfile.open(fileobj=output)
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for member in tar.getmembers():
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if member.name.strip().endswith(STORAGE1):
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write = tempfile.NamedTemporaryFile(mode='wb', delete=False)
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write.write(tar.extractfile(member).read())
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write.close()
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write_path = os.path.abspath(write.name)
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serials.extend(get_serials1(write_path))
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os.remove(write_path)
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elif member.name.strip().endswith(STORAGE2):
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write = tempfile.NamedTemporaryFile(mode='wb', delete=False)
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write.write(tar.extractfile(member).read())
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write.close()
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write_path = os.path.abspath(write.name)
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serials.extend(get_serials2(write_path))
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os.remove(write_path)
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return list(set(serials))
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__all__ = [ 'get_serials', 'getkey']
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# procedure for CLI and GUI interfaces
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# returns single or multiple keys (one per line) in the specified file
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def getkey(outfile, inpath):
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keys = get_serials(inpath)
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if len(keys) > 0:
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with file(outfile, 'w') as keyfileout:
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for key in keys:
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keyfileout.write(key)
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keyfileout.write("\n")
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return True
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return False
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def usage(progname):
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print(u"Decrypts the serial number(s) of Kindle For Android from Android backup or file")
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print(u"Get backup.ab file using adb backup com.amazon.kindle for Android 4.0+.")
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print(u"Otherwise extract AmazonSecureStorage.xml from /data/data/com.amazon.kindle/shared_prefs/AmazonSecureStorage.xml")
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print(u"Or map_data_storage.db from /data/data/com.amazon.kindle/databases/map_data_storage.db")
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print(u"")
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print(u"Usage:")
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print(u" {0:s} [-h] [-b <backup.ab>] [<outfile.k4a>]".format(progname))
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def cli_main():
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sys.stdout=SafeUnbuffered(sys.stdout)
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sys.stderr=SafeUnbuffered(sys.stderr)
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argv=unicode_argv()
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progname = os.path.basename(argv[0])
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print(u"{0} v{1}\nCopyright © 2010-2015 Thom, some_updates, Apprentice Alf and Apprentice Harper".format(progname,__version__))
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try:
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opts, args = getopt.getopt(argv[1:], "hb:")
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except getopt.GetoptError, err:
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usage(progname)
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print(u"\nError in options or arguments: {0}".format(err.args[0]))
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return 2
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inpath = ""
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for o, a in opts:
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if o == "-h":
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usage(progname)
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return 0
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if o == "-b":
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inpath = a
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if len(args) > 1:
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usage(progname)
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return 2
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if len(args) == 1:
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# save to the specified file or directory
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outfile = args[0]
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if not os.path.isabs(outfile):
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outfile = os.path.join(os.path.dirname(argv[0]),outfile)
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outfile = os.path.abspath(outfile)
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if os.path.isdir(outfile):
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outfile = os.path.join(os.path.dirname(argv[0]),"androidkindlekey.k4a")
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else:
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# save to the same directory as the script
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outfile = os.path.join(os.path.dirname(argv[0]),"androidkindlekey.k4a")
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# make sure the outpath is OK
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outfile = os.path.realpath(os.path.normpath(outfile))
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if not os.path.isfile(inpath):
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usage(progname)
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print(u"\n{0:s} file not found".format(inpath))
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return 2
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if getkey(outfile, inpath):
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print(u"\nSaved Kindle for Android key to {0}".format(outfile))
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else:
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print(u"\nCould not retrieve Kindle for Android key.")
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return 0
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def gui_main():
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try:
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import Tkinter
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import Tkconstants
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import tkMessageBox
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import tkFileDialog
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except:
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print("Tkinter not installed")
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return cli_main()
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class DecryptionDialog(Tkinter.Frame):
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def __init__(self, root):
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Tkinter.Frame.__init__(self, root, border=5)
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self.status = Tkinter.Label(self, text=u"Select backup.ab file")
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self.status.pack(fill=Tkconstants.X, expand=1)
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body = Tkinter.Frame(self)
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body.pack(fill=Tkconstants.X, expand=1)
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sticky = Tkconstants.E + Tkconstants.W
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body.grid_columnconfigure(1, weight=2)
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Tkinter.Label(body, text=u"Backup file").grid(row=0, column=0)
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self.keypath = Tkinter.Entry(body, width=40)
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self.keypath.grid(row=0, column=1, sticky=sticky)
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self.keypath.insert(2, u"backup.ab")
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button = Tkinter.Button(body, text=u"...", command=self.get_keypath)
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button.grid(row=0, column=2)
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buttons = Tkinter.Frame(self)
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buttons.pack()
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button2 = Tkinter.Button(
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buttons, text=u"Extract", width=10, command=self.generate)
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button2.pack(side=Tkconstants.LEFT)
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Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
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button3 = Tkinter.Button(
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buttons, text=u"Quit", width=10, command=self.quit)
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button3.pack(side=Tkconstants.RIGHT)
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def get_keypath(self):
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keypath = tkFileDialog.askopenfilename(
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parent=None, title=u"Select backup.ab file",
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defaultextension=u".ab",
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filetypes=[('adb backup com.amazon.kindle', '.ab'),
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('All Files', '.*')])
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if keypath:
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keypath = os.path.normpath(keypath)
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self.keypath.delete(0, Tkconstants.END)
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self.keypath.insert(0, keypath)
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return
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def generate(self):
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inpath = self.keypath.get()
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self.status['text'] = u"Getting key..."
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try:
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keys = get_serials(inpath)
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keycount = 0
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for key in keys:
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while True:
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keycount += 1
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outfile = os.path.join(progpath,u"kindlekey{0:d}.k4a".format(keycount))
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if not os.path.exists(outfile):
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break
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with file(outfile, 'w') as keyfileout:
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keyfileout.write(key)
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success = True
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tkMessageBox.showinfo(progname, u"Key successfully retrieved to {0}".format(outfile))
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except Exception, e:
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self.status['text'] = u"Error: {0}".format(e.args[0])
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return
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self.status['text'] = u"Select backup.ab file"
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argv=unicode_argv()
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progpath, progname = os.path.split(argv[0])
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root = Tkinter.Tk()
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root.title(u"Kindle for Android Key Extraction v.{0}".format(__version__))
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root.resizable(True, False)
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root.minsize(300, 0)
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DecryptionDialog(root).pack(fill=Tkconstants.X, expand=1)
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root.mainloop()
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return 0
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if __name__ == '__main__':
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if len(sys.argv) > 1:
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sys.exit(cli_main())
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sys.exit(gui_main())
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