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300 lines
10 KiB
Python
300 lines
10 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# ignoblekeyNookStudy.py
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# Copyright © 2015-2020 Apprentice Alf, Apprentice Harper et al.
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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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# 1.1 - remove duplicates and return last key as single key
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# 2.0 - Python 3 for calibre 5.0
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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__ = "2.0"
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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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#@@CALIBRE_COMPAT_CODE@@
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from .utilities import SafeUnbuffered
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try:
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from calibre.constants import iswindows
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except:
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iswindows = sys.platform.startswith('win')
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from .argv_utils import unicode_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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try:
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import winreg
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except ImportError:
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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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if sys.version_info[0] == 2:
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path = winreg.ExpandEnvironmentStrings(u"%LOCALAPPDATA%")
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else:
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path = winreg.ExpandEnvironmentStrings("%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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if sys.version_info[0] == 2:
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path = winreg.ExpandEnvironmentStrings(u"%USERPROFILE%")+u"\\AppData\\Local"
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else:
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path = winreg.ExpandEnvironmentStrings("%USERPROFILE%")+"\\AppData\\Local"
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if os.path.isdir(path):
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paths.add(path)
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if sys.version_info[0] == 2:
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path = winreg.ExpandEnvironmentStrings(u"%USERPROFILE%")+u"\\AppData\\Roaming"
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else:
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path = winreg.ExpandEnvironmentStrings("%USERPROFILE%")+"\\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, file=sys.stderr)
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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, file=sys.stderr)
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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, file=sys.stderr)
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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, file=sys.stderr)
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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, file=sys.stderr)
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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.', file=sys.stderr)
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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("Found {0} keys in the Nook Study log files".format(len(fileKeys)), file=sys.stderr)
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keys.extend(fileKeys)
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return list(set(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 open(outfile, 'w') as keyfileout:
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keyfileout.write(keys[-1])
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print("Saved a key to {0}".format(outfile), file=sys.stderr)
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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,"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 open(outfile, 'w') as keyfileout:
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keyfileout.write(key)
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print("Saved a key to {0}".format(outfile), file=sys.stderr)
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return True
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return False
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def usage(progname):
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print("Finds the nook Study encryption keys.")
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print("Keys are saved to the current directory, or a specified output directory.")
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print("If a file name is passed instead of a directory, only the first key is saved, in that file.")
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print("Usage:")
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print(" {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("ignoblekeyNookStudy.py")
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progname = os.path.basename(argv[0])
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print("{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 as err:
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print("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("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 tkinter.constants
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import tkinter.messagebox
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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="Unexpected error:",
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anchor=tkinter.constants.W, justify=tkinter.constants.LEFT)
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label.pack(fill=tkinter.constants.X, expand=0)
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self.text = tkinter.Text(self)
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self.text.pack(fill=tkinter.constants.BOTH, expand=1)
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self.text.insert(tkinter.constants.END, text)
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argv=unicode_argv("ignoblekeyNookStudy.py")
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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,"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 open(outfile, 'w') as keyfileout:
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keyfileout.write(key)
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success = True
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tkinter.messagebox.showinfo(progname, "Key successfully retrieved to {0}".format(outfile))
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except DrmException as e:
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tkinter.messagebox.showerror(progname, "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=tkinter.constants.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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