tools v6.0.0

The first unified calibre plugin
This commit is contained in:
Apprentice Alf
2013-03-20 10:23:54 +00:00
parent 748bd2d471
commit 20bc936e99
150 changed files with 16383 additions and 5733 deletions

View File

@@ -3,13 +3,13 @@
from __future__ import with_statement
# ignobleepub.pyw, version 3.7
# ignobleepub.pyw, version 3.8
# Copyright © 2009-2010 by i♥cabbages
# Released under the terms of the GNU General Public Licence, version 3
# <http://www.gnu.org/licenses/>
# Modified 20102012 by some_updates, DiapDealer and Apprentice Alf
# Modified 20102013 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
@@ -32,20 +32,21 @@ from __future__ import with_statement
# 3.5 - Fix for potential problem with PyCrypto
# 3.6 - Revised to allow use in calibre plugins to eliminate need for duplicate code
# 3.7 - Tweaked to match ineptepub more closely
# 3.8 - Fixed to retain zip file metadata (e.g. file modification date)
"""
Decrypt Barnes & Noble encrypted ePub books.
"""
__license__ = 'GPL v3'
__version__ = "3.7"
__version__ = "3.8"
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
@@ -200,13 +201,6 @@ 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)
@@ -282,11 +276,40 @@ def decryptBook(keyb64, 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