tools v6.0.0
The first unified calibre plugin
This commit is contained in:
@@ -3,13 +3,13 @@
|
||||
|
||||
from __future__ import with_statement
|
||||
|
||||
# ineptepub.pyw, version 5.8
|
||||
# ineptepub.pyw, version 5.9
|
||||
# Copyright © 2009-2010 by i♥cabbages
|
||||
|
||||
# Released under the terms of the GNU General Public Licence, version 3
|
||||
# <http://www.gnu.org/licenses/>
|
||||
|
||||
# Modified 2010–2012 by some_updates, DiapDealer and Apprentice Alf
|
||||
# Modified 2010–2013 by some_updates, DiapDealer and Apprentice Alf
|
||||
|
||||
# Windows users: Before running this program, you must first install Python 2.6
|
||||
# from <http://www.python.org/download/> and PyCrypto from
|
||||
@@ -34,20 +34,21 @@ from __future__ import with_statement
|
||||
# 5.6 - Modify interface to allow use with import
|
||||
# 5.7 - Fix for potential problem with PyCrypto
|
||||
# 5.8 - Revised to allow use in calibre plugins to eliminate need for duplicate code
|
||||
# 5.9 - Fixed to retain zip file metadata (e.g. file modification date)
|
||||
|
||||
"""
|
||||
Decrypt Adobe Digital Editions encrypted ePub books.
|
||||
"""
|
||||
|
||||
__license__ = 'GPL v3'
|
||||
__version__ = "5.8"
|
||||
__version__ = "5.9"
|
||||
|
||||
import sys
|
||||
import os
|
||||
import traceback
|
||||
import zlib
|
||||
import zipfile
|
||||
from zipfile import ZipFile, ZIP_STORED, ZIP_DEFLATED
|
||||
from zipfile import ZipInfo, ZipFile, ZIP_STORED, ZIP_DEFLATED
|
||||
from contextlib import closing
|
||||
import xml.etree.ElementTree as etree
|
||||
|
||||
@@ -340,13 +341,6 @@ META_NAMES = ('mimetype', 'META-INF/rights.xml', 'META-INF/encryption.xml')
|
||||
NSMAP = {'adept': 'http://ns.adobe.com/adept',
|
||||
'enc': 'http://www.w3.org/2001/04/xmlenc#'}
|
||||
|
||||
class ZipInfo(zipfile.ZipInfo):
|
||||
def __init__(self, *args, **kwargs):
|
||||
if 'compress_type' in kwargs:
|
||||
compress_type = kwargs.pop('compress_type')
|
||||
super(ZipInfo, self).__init__(*args, **kwargs)
|
||||
self.compress_type = compress_type
|
||||
|
||||
class Decryptor(object):
|
||||
def __init__(self, bookkey, encryption):
|
||||
enc = lambda tag: '{%s}%s' % (NSMAP['enc'], tag)
|
||||
@@ -424,11 +418,40 @@ def decryptBook(userkey, inpath, outpath):
|
||||
decryptor = Decryptor(bookkey[-16:], encryption)
|
||||
kwds = dict(compression=ZIP_DEFLATED, allowZip64=False)
|
||||
with closing(ZipFile(open(outpath, 'wb'), 'w', **kwds)) as outf:
|
||||
zi = ZipInfo('mimetype', compress_type=ZIP_STORED)
|
||||
zi = ZipInfo('mimetype')
|
||||
zi.compress_type=ZIP_STORED
|
||||
try:
|
||||
# if the mimetype is present, get its info, including time-stamp
|
||||
oldzi = inf.getinfo('mimetype')
|
||||
# copy across fields to be preserved
|
||||
zi.date_time = oldzi.date_time
|
||||
zi.comment = oldzi.comment
|
||||
zi.extra = oldzi.extra
|
||||
zi.internal_attr = oldzi.internal_attr
|
||||
# external attributes are dependent on the create system, so copy both.
|
||||
zi.external_attr = oldzi.external_attr
|
||||
zi.create_system = oldzi.create_system
|
||||
except:
|
||||
pass
|
||||
outf.writestr(zi, inf.read('mimetype'))
|
||||
for path in namelist:
|
||||
data = inf.read(path)
|
||||
outf.writestr(path, decryptor.decrypt(path, data))
|
||||
zi = ZipInfo(path)
|
||||
zi.compress_type=ZIP_DEFLATED
|
||||
try:
|
||||
# get the file info, including time-stamp
|
||||
oldzi = inf.getinfo(path)
|
||||
# copy across useful fields
|
||||
zi.date_time = oldzi.date_time
|
||||
zi.comment = oldzi.comment
|
||||
zi.extra = oldzi.extra
|
||||
zi.internal_attr = oldzi.internal_attr
|
||||
# external attributes are dependent on the create system, so copy both.
|
||||
zi.external_attr = oldzi.external_attr
|
||||
zi.create_system = oldzi.create_system
|
||||
except:
|
||||
pass
|
||||
outf.writestr(zi, decryptor.decrypt(path, data))
|
||||
except:
|
||||
print u"Could not decrypt {0:s} because of an exception:\n{1:s}".format(os.path.basename(inpath), traceback.format_exc())
|
||||
return 2
|
||||
|
||||
Reference in New Issue
Block a user