mirror of
https://github.com/noDRM/DeDRM_tools.git
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afa4ac5716
THIS IS ON THE MASTER BRANCH. The Master branch will be Python 3.0 from now on. While Python 2.7 support will not be deliberately broken, all efforts should now focus on Python 3.0 compatibility. I can see a lot of work has been done. There's more to do. I've bumped the version number of everything I came across to the next major number for Python 3.0 compatibility indication. Thanks everyone. I hope to update here at least once a week until we have a stable 7.0 release for calibre 5.0
339 lines
12 KiB
Python
339 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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from __future__ import print_function
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# ignoblekey.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 - Added Python 3 compatibility 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__ = "1.1"
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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,bytes):
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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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range(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 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 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(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 open(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 as 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 open(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 as 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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