mirror of
https://github.com/noDRM/DeDRM_tools.git
synced 2025-10-23 23:07:47 -04:00
Merge pull request #1091 from vanicat/inetepub-python3
Inetepub python3
This commit is contained in:
Apprentice Harper
GitHub
commit
6fd5535072
1 changed files with 62 additions and 51 deletions
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@ -2,6 +2,8 @@
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# -*- coding: utf-8 -*-
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from __future__ import with_statement
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from __future__ import absolute_import
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from __future__ import print_function
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# ineptepub.pyw, version 6.6
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# Copyright © 2009-2010 by i♥cabbages
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@ -51,6 +53,8 @@ Decrypt Adobe Digital Editions encrypted ePub books.
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__license__ = 'GPL v3'
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__version__ = "6.6"
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import six
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from six.moves import range
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import sys
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import os
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import traceback
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@ -59,6 +63,7 @@ import zipfile
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from zipfile import ZipInfo, ZipFile, ZIP_STORED, ZIP_DEFLATED
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from contextlib import closing
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import xml.etree.ElementTree as etree
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import base64
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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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@ -70,7 +75,7 @@ class SafeUnbuffered:
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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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if isinstance(data,six.text_type):
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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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@ -111,13 +116,13 @@ def unicode_argv():
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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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range(start, argc.value)]
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return [u"ineptepub.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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return [arg if (type(arg) == six.text_type) else six.text_type(arg,argvencoding) for arg in sys.argv]
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class ADEPTError(Exception):
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@ -205,7 +210,7 @@ def _load_crypto_libcrypto():
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def decrypt(self, data):
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out = create_string_buffer(len(data))
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iv = ("\x00" * self._blocksize)
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iv = (b"\x00" * self._blocksize)
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rv = AES_cbc_encrypt(data, out, len(data), self._key, iv, 0)
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if rv == 0:
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raise ADEPTError('AES decryption failed')
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@ -315,12 +320,12 @@ def _load_crypto_pycrypto():
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class RSA(object):
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def __init__(self, der):
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key = ASN1Parser([ord(x) for x in der])
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key = [key.getChild(x).value for x in xrange(1, 4)]
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key = [key.getChild(x).value for x in range(1, 4)]
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key = [self.bytesToNumber(v) for v in key]
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self._rsa = _RSA.construct(key)
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def bytesToNumber(self, bytes):
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total = 0L
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total = 0
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for byte in bytes:
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total = (total << 8) + byte
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return total
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@ -366,7 +371,7 @@ class Decryptor(object):
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def decompress(self, bytes):
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dc = zlib.decompressobj(-15)
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bytes = dc.decompress(bytes)
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ex = dc.decompress('Z') + dc.flush()
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ex = dc.decompress(b'Z') + dc.flush()
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if ex:
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bytes = bytes + ex
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return bytes
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@ -374,7 +379,11 @@ class Decryptor(object):
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def decrypt(self, path, data):
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if path.encode('utf-8') in self._encrypted:
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data = self._aes.decrypt(data)[16:]
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data = data[:-ord(data[-1])]
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if type(data[-1]) != int:
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place = ord(data[-1])
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else:
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place = data[-1]
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data = data[:-place]
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data = self.decompress(data)
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return data
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@ -405,7 +414,7 @@ def decryptBook(userkey, inpath, outpath):
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namelist = set(inf.namelist())
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if 'META-INF/rights.xml' not in namelist or \
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'META-INF/encryption.xml' not in namelist:
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print u"{0:s} is DRM-free.".format(os.path.basename(inpath))
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print(u"{0:s} is DRM-free.".format(os.path.basename(inpath)))
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return 1
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for name in META_NAMES:
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namelist.remove(name)
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@ -415,12 +424,14 @@ def decryptBook(userkey, inpath, outpath):
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expr = './/%s' % (adept('encryptedKey'),)
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bookkey = ''.join(rights.findtext(expr))
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if len(bookkey) != 172:
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print u"{0:s} is not a secure Adobe Adept ePub.".format(os.path.basename(inpath))
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print(u"{0:s} is not a secure Adobe Adept ePub.".format(os.path.basename(inpath)))
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return 1
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bookkey = rsa.decrypt(bookkey.decode('base64'))
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bookkey = bookkey.encode('ascii')
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bookkey = base64.b64decode(bookkey)
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bookkey = rsa.decrypt(bookkey)
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# Padded as per RSAES-PKCS1-v1_5
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if bookkey[-17] != '\x00':
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print u"Could not decrypt {0:s}. Wrong key".format(os.path.basename(inpath))
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if bookkey[-17] != '\x00' and bookkey[-17] != 0:
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print(u"Could not decrypt {0:s}. Wrong key".format(os.path.basename(inpath)))
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return 2
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encryption = inf.read('META-INF/encryption.xml')
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decryptor = Decryptor(bookkey[-16:], encryption)
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@ -461,7 +472,7 @@ def decryptBook(userkey, inpath, outpath):
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pass
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outf.writestr(zi, decryptor.decrypt(path, data))
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except:
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print u"Could not decrypt {0:s} because of an exception:\n{1:s}".format(os.path.basename(inpath), traceback.format_exc())
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print(u"Could not decrypt {0:s} because of an exception:\n{1:s}".format(os.path.basename(inpath), traceback.format_exc()))
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return 2
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return 0
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@ -472,90 +483,90 @@ def cli_main():
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argv=unicode_argv()
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progname = os.path.basename(argv[0])
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if len(argv) != 4:
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print u"usage: {0} <keyfile.der> <inbook.epub> <outbook.epub>".format(progname)
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print(u"usage: {0} <keyfile.der> <inbook.epub> <outbook.epub>".format(progname))
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return 1
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keypath, inpath, outpath = argv[1:]
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userkey = open(keypath,'rb').read()
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result = decryptBook(userkey, inpath, outpath)
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if result == 0:
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print u"Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath))
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print(u"Successfully decrypted {0:s} as {1:s}".format(os.path.basename(inpath),os.path.basename(outpath)))
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return result
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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 tkFileDialog
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import tkMessageBox
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import six.moves.tkinter
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import six.moves.tkinter_constants
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import six.moves.tkinter_filedialog
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import six.moves.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 DecryptionDialog(Tkinter.Frame):
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class DecryptionDialog(six.moves.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 files for decryption")
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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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six.moves.tkinter.Frame.__init__(self, root, border=5)
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self.status = six.moves.tkinter.Label(self, text=u"Select files for decryption")
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self.status.pack(fill=six.moves.tkinter_constants.X, expand=1)
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body = six.moves.tkinter.Frame(self)
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body.pack(fill=six.moves.tkinter_constants.X, expand=1)
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sticky = six.moves.tkinter_constants.E + six.moves.tkinter_constants.W
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body.grid_columnconfigure(1, weight=2)
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Tkinter.Label(body, text=u"Key file").grid(row=0)
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self.keypath = Tkinter.Entry(body, width=30)
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six.moves.tkinter.Label(body, text=u"Key file").grid(row=0)
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self.keypath = six.moves.tkinter.Entry(body, width=30)
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self.keypath.grid(row=0, column=1, sticky=sticky)
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if os.path.exists(u"adeptkey.der"):
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self.keypath.insert(0, u"adeptkey.der")
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button = Tkinter.Button(body, text=u"...", command=self.get_keypath)
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button = six.moves.tkinter.Button(body, text=u"...", command=self.get_keypath)
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button.grid(row=0, column=2)
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Tkinter.Label(body, text=u"Input file").grid(row=1)
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self.inpath = Tkinter.Entry(body, width=30)
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six.moves.tkinter.Label(body, text=u"Input file").grid(row=1)
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self.inpath = six.moves.tkinter.Entry(body, width=30)
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self.inpath.grid(row=1, column=1, sticky=sticky)
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button = Tkinter.Button(body, text=u"...", command=self.get_inpath)
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button = six.moves.tkinter.Button(body, text=u"...", command=self.get_inpath)
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button.grid(row=1, column=2)
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Tkinter.Label(body, text=u"Output file").grid(row=2)
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self.outpath = Tkinter.Entry(body, width=30)
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six.moves.tkinter.Label(body, text=u"Output file").grid(row=2)
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self.outpath = six.moves.tkinter.Entry(body, width=30)
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self.outpath.grid(row=2, column=1, sticky=sticky)
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button = Tkinter.Button(body, text=u"...", command=self.get_outpath)
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button = six.moves.tkinter.Button(body, text=u"...", command=self.get_outpath)
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button.grid(row=2, column=2)
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buttons = Tkinter.Frame(self)
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buttons = six.moves.tkinter.Frame(self)
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buttons.pack()
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botton = Tkinter.Button(
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botton = six.moves.tkinter.Button(
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buttons, text=u"Decrypt", width=10, command=self.decrypt)
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botton.pack(side=Tkconstants.LEFT)
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Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
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button = Tkinter.Button(
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botton.pack(side=six.moves.tkinter_constants.LEFT)
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six.moves.tkinter.Frame(buttons, width=10).pack(side=six.moves.tkinter_constants.LEFT)
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button = six.moves.tkinter.Button(
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buttons, text=u"Quit", width=10, command=self.quit)
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button.pack(side=Tkconstants.RIGHT)
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button.pack(side=six.moves.tkinter_constants.RIGHT)
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def get_keypath(self):
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keypath = tkFileDialog.askopenfilename(
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keypath = six.moves.tkinter_filedialog.askopenfilename(
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parent=None, title=u"Select Adobe Adept \'.der\' key file",
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defaultextension=u".der",
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filetypes=[('Adobe Adept DER-encoded files', '.der'),
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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.delete(0, six.moves.tkinter_constants.END)
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self.keypath.insert(0, keypath)
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return
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def get_inpath(self):
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inpath = tkFileDialog.askopenfilename(
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inpath = six.moves.tkinter_filedialog.askopenfilename(
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parent=None, title=u"Select ADEPT-encrypted ePub file to decrypt",
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defaultextension=u".epub", filetypes=[('ePub files', '.epub')])
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if inpath:
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inpath = os.path.normpath(inpath)
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self.inpath.delete(0, Tkconstants.END)
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self.inpath.delete(0, six.moves.tkinter_constants.END)
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self.inpath.insert(0, inpath)
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return
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def get_outpath(self):
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outpath = tkFileDialog.asksaveasfilename(
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outpath = six.moves.tkinter_filedialog.asksaveasfilename(
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parent=None, title=u"Select unencrypted ePub file to produce",
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defaultextension=u".epub", filetypes=[('ePub files', '.epub')])
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if outpath:
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outpath = os.path.normpath(outpath)
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self.outpath.delete(0, Tkconstants.END)
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self.outpath.delete(0, six.moves.tkinter_constants.END)
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self.outpath.insert(0, outpath)
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return
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@ -579,7 +590,7 @@ def gui_main():
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self.status['text'] = u"Decrypting..."
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try:
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decrypt_status = decryptBook(userkey, inpath, outpath)
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except Exception, e:
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except Exception as e:
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self.status['text'] = u"Error: {0}".format(e.args[0])
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return
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if decrypt_status == 0:
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@ -587,11 +598,11 @@ def gui_main():
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else:
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self.status['text'] = u"The was an error decrypting the file."
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root = Tkinter.Tk()
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root = six.moves.tkinter.Tk()
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root.title(u"Adobe Adept ePub Decrypter 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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DecryptionDialog(root).pack(fill=six.moves.tkinter_constants.X, expand=1)
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root.mainloop()
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return 0
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