Merge pull request #257 from agronauts/multi_decrypt

Add support to command line tool to decrypt all kobo books instead of having to choose books one by one.
This commit is contained in:
Apprentice Harper 2017-04-27 07:51:40 +01:00 committed by GitHub
commit e4b702e241

74
Other_Tools/Kobo/obok.py Normal file → Executable file
View file

@ -665,41 +665,16 @@ class KoboFile(object):
contents = contents[:-padding]
return contents
def cli_main():
description = __about__
epilog = u"Parsing of arguments failed."
parser = argparse.ArgumentParser(prog=sys.argv[0], description=description, epilog=epilog)
parser.add_argument('--devicedir', default='/media/KOBOeReader', help="directory of connected Kobo device")
args = vars(parser.parse_args())
serials = []
devicedir = u""
if args['devicedir']:
devicedir = args['devicedir']
lib = KoboLibrary(serials, devicedir)
for i, book in enumerate(lib.books):
print u"{0}: {1}".format(i + 1, book.title)
num_string = raw_input(u"Convert book number... ")
try:
num = int(num_string)
book = lib.books[num - 1]
except (ValueError, IndexError):
exit()
def decrypt_book(book, lib):
print u"Converting {0}".format(book.title)
zin = zipfile.ZipFile(book.filename, "r")
# make filename out of Unicode alphanumeric and whitespace equivalents from title
outname = u"{0}.epub".format(re.sub('[^\s\w]', '_', book.title, 0, re.UNICODE))
if (book.type == 'drm-free'):
print u"DRM-free book, conversion is not needed"
shutil.copyfile(book.filename, outname)
print u"Book saved as {0}".format(os.path.join(os.getcwd(), outname))
exit(0)
return 0
result = 1
for userkey in lib.userkeys:
print u"Trying key: {0}".format(userkey.encode('hex_codec'))
@ -722,13 +697,50 @@ def cli_main():
print u"Decryption failed."
zout.close()
os.remove(outname)
zin.close()
lib.close()
if result != 0:
print u"Could not decrypt book with any of the keys found."
return result
def cli_main():
description = __about__
epilog = u"Parsing of arguments failed."
parser = argparse.ArgumentParser(prog=sys.argv[0], description=description, epilog=epilog)
parser.add_argument('--devicedir', default='/media/KOBOeReader', help="directory of connected Kobo device")
parser.add_argument('--all', action='store_true', help="flag for converting all books on device")
args = vars(parser.parse_args())
serials = []
devicedir = u""
if args['devicedir']:
devicedir = args['devicedir']
lib = KoboLibrary(serials, devicedir)
if args['all']:
books = lib.books
else:
for i, book in enumerate(lib.books):
print u"{0}: {1}".format(i + 1, book.title)
print u"Or 'all'"
choice = raw_input(u"Convert book number... ")
if choice == u'all':
books = list(lib.books)
else:
try:
num = int(choice)
books = [lib.books[num - 1]]
except (ValueError, IndexError):
print u"Invalid choice. Exiting..."
exit()
results = [decrypt_book(book, lib) for book in books]
lib.close()
overall_result = all(result != 0 for result in results)
if overall_result != 0:
print u"Could not decrypt book with any of the keys found."
return overall_result
if __name__ == '__main__':
sys.stdout=SafeUnbuffered(sys.stdout)
sys.stderr=SafeUnbuffered(sys.stderr)