mirror of
https://github.com/apprenticeharper/DeDRM_tools
synced 2024-11-09 07:10:34 +00:00
336 lines
12 KiB
Python
336 lines
12 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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# ignoblekey.py
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# Copyright © 2015 Apprentice Alf
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# Based on kindlekey.py, Copyright © 2010-2013 by some_updates and Apprentice Alf
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# Released under the terms of the GNU General Public Licence, version 3
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# <http://www.gnu.org/licenses/>
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# Revision history:
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# 1.0 - Initial release
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"""
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Get Barnes & Noble EPUB user key from nook Studio log file
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"""
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__license__ = 'GPL v3'
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__version__ = "1.0"
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import sys
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import os
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import hashlib
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import getopt
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import re
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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"ignoblekey.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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# Locate all of the nookStudy/nook for PC/Mac log file and return as list
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def getNookLogFiles():
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logFiles = []
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found = False
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if iswindows:
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import _winreg as winreg
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# some 64 bit machines do not have the proper registry key for some reason
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# or the python interface to the 32 vs 64 bit registry is broken
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paths = set()
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if 'LOCALAPPDATA' in os.environ.keys():
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# Python 2.x does not return unicode env. Use Python 3.x
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path = winreg.ExpandEnvironmentStrings(u"%LOCALAPPDATA%")
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if os.path.isdir(path):
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paths.add(path)
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if 'USERPROFILE' in os.environ.keys():
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# Python 2.x does not return unicode env. Use Python 3.x
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path = winreg.ExpandEnvironmentStrings(u"%USERPROFILE%")+u"\\AppData\\Local"
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if os.path.isdir(path):
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paths.add(path)
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path = winreg.ExpandEnvironmentStrings(u"%USERPROFILE%")+u"\\AppData\\Roaming"
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if os.path.isdir(path):
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paths.add(path)
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# User Shell Folders show take precedent over Shell Folders if present
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try:
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regkey = winreg.OpenKey(winreg.HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\User Shell Folders\\")
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path = winreg.QueryValueEx(regkey, 'Local AppData')[0]
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if os.path.isdir(path):
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paths.add(path)
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except WindowsError:
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pass
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try:
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regkey = winreg.OpenKey(winreg.HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\User Shell Folders\\")
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path = winreg.QueryValueEx(regkey, 'AppData')[0]
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if os.path.isdir(path):
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paths.add(path)
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except WindowsError:
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pass
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try:
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regkey = winreg.OpenKey(winreg.HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders\\")
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path = winreg.QueryValueEx(regkey, 'Local AppData')[0]
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if os.path.isdir(path):
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paths.add(path)
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except WindowsError:
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pass
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try:
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regkey = winreg.OpenKey(winreg.HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders\\")
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path = winreg.QueryValueEx(regkey, 'AppData')[0]
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if os.path.isdir(path):
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paths.add(path)
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except WindowsError:
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pass
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for path in paths:
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# look for nookStudy log file
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logpath = path +'\\Barnes & Noble\\NOOKstudy\\logs\\BNClientLog.txt'
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if os.path.isfile(logpath):
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found = True
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print('Found nookStudy log file: ' + logpath.encode('ascii','ignore'))
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logFiles.append(logpath)
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else:
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home = os.getenv('HOME')
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# check for BNClientLog.txt in various locations
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testpath = home + '/Library/Application Support/Barnes & Noble/DesktopReader/logs/BNClientLog.txt'
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if os.path.isfile(testpath):
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logFiles.append(testpath)
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print('Found nookStudy log file: ' + testpath)
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found = True
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testpath = home + '/Library/Application Support/Barnes & Noble/DesktopReader/indices/BNClientLog.txt'
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if os.path.isfile(testpath):
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logFiles.append(testpath)
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print('Found nookStudy log file: ' + testpath)
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found = True
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testpath = home + '/Library/Application Support/Barnes & Noble/BNDesktopReader/logs/BNClientLog.txt'
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if os.path.isfile(testpath):
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logFiles.append(testpath)
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print('Found nookStudy log file: ' + testpath)
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found = True
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testpath = home + '/Library/Application Support/Barnes & Noble/BNDesktopReader/indices/BNClientLog.txt'
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if os.path.isfile(testpath):
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logFiles.append(testpath)
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print('Found nookStudy log file: ' + testpath)
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found = True
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if not found:
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print('No nook Study log files have been found.')
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return logFiles
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# Extract CCHash key(s) from log file
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def getKeysFromLog(kLogFile):
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keys = []
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regex = re.compile("ccHash: \"(.{28})\"");
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for line in open(kLogFile):
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for m in regex.findall(line):
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keys.append(m)
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return keys
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# interface for calibre plugin
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def nookkeys(files = []):
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keys = []
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if files == []:
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files = getNookLogFiles()
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for file in files:
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fileKeys = getKeysFromLog(file)
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if fileKeys:
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print u"Found {0} keys in the Nook Study log files".format(len(fileKeys))
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keys.extend(fileKeys)
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return keys
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# interface for Python DeDRM
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# returns single key or multiple keys, depending on path or file passed in
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def getkey(outpath, files=[]):
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keys = nookkeys(files)
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if len(keys) > 0:
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if not os.path.isdir(outpath):
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outfile = outpath
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with file(outfile, 'w') as keyfileout:
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keyfileout.write(keys[0])
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print u"Saved a key to {0}".format(outfile)
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else:
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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(outpath,u"nookkey{0:d}.b64".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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print u"Saved a key to {0}".format(outfile)
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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"Finds the nook Study encryption keys."
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print u"Keys are saved to the current directory, or a specified output directory."
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print u"If a file name is passed instead of a directory, only the first key is saved, in that file."
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print u"Usage:"
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print u" {0:s} [-h] [-k <logFile>] [<outpath>]".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 © 2015 Apprentice Alf".format(progname,__version__)
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try:
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opts, args = getopt.getopt(argv[1:], "hk:")
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except getopt.GetoptError, err:
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print u"Error in options or arguments: {0}".format(err.args[0])
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usage(progname)
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sys.exit(2)
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files = []
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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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sys.exit(0)
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if o == "-k":
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files = [a]
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if len(args) > 1:
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usage(progname)
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sys.exit(2)
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if len(args) == 1:
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# save to the specified file or directory
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outpath = args[0]
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if not os.path.isabs(outpath):
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outpath = os.path.abspath(outpath)
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else:
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# save to the same directory as the script
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outpath = os.path.dirname(argv[0])
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# make sure the outpath is the
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outpath = os.path.realpath(os.path.normpath(outpath))
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if not getkey(outpath, files):
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print u"Could not retrieve nook Study 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 traceback
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except:
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return cli_main()
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class ExceptionDialog(Tkinter.Frame):
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def __init__(self, root, text):
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Tkinter.Frame.__init__(self, root, border=5)
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label = Tkinter.Label(self, text=u"Unexpected error:",
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anchor=Tkconstants.W, justify=Tkconstants.LEFT)
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label.pack(fill=Tkconstants.X, expand=0)
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self.text = Tkinter.Text(self)
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self.text.pack(fill=Tkconstants.BOTH, expand=1)
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self.text.insert(Tkconstants.END, text)
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argv=unicode_argv()
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root = Tkinter.Tk()
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root.withdraw()
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progpath, progname = os.path.split(argv[0])
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success = False
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try:
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keys = nookkeys()
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keycount = 0
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for key in keys:
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print key
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while True:
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keycount += 1
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outfile = os.path.join(progpath,u"nookkey{0:d}.b64".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 DrmException, e:
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tkMessageBox.showerror(progname, u"Error: {0}".format(str(e)))
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except Exception:
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root.wm_state('normal')
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root.title(progname)
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text = traceback.format_exc()
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ExceptionDialog(root, text).pack(fill=Tkconstants.BOTH, expand=1)
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root.mainloop()
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if not success:
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return 1
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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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