tools v5.0
Introduction of alfcrypto library for speed Reorganisation of archive plugins,apps,other
This commit is contained in:
Apprentice Alf
@@ -1,5 +1,24 @@
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#!/usr/bin/env python
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from __future__ import with_statement
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# engine to remove drm from Kindle for Mac and Kindle for PC books
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# for personal use for archiving and converting your ebooks
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# PLEASE DO NOT PIRATE EBOOKS!
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# We want all authors and publishers, and eBook stores to live
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# long and prosperous lives but at the same time we just want to
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# be able to read OUR books on whatever device we want and to keep
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# readable for a long, long time
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# This borrows very heavily from works by CMBDTC, IHeartCabbages, skindle,
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# unswindle, DarkReverser, ApprenticeAlf, DiapDealer, some_updates
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# and many many others
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__version__ = '4.0'
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class Unbuffered:
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def __init__(self, stream):
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self.stream = stream
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@@ -10,460 +29,184 @@ class Unbuffered:
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return getattr(self.stream, attr)
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import sys
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import os, csv, getopt
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import string
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import re
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import traceback
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buildXML = False
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class DrmException(Exception):
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pass
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if 'calibre' in sys.modules:
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inCalibre = True
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else:
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inCalibre = False
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import os, csv, getopt
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import zlib, zipfile, tempfile, shutil
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from struct import pack
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from struct import unpack
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class TpzDRMError(Exception):
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pass
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# local support routines
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if inCalibre:
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from calibre_plugins.k4mobidedrm import mobidedrm
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from calibre_plugins.k4mobidedrm import topazextract
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from calibre_plugins.k4mobidedrm import kgenpids
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from calibre_plugins.k4mobidedrm import genbook
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else:
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import mobidedrm
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import topazextract
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import kgenpids
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import genbook
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# recursive zip creation support routine
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def zipUpDir(myzip, tdir, localname):
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currentdir = tdir
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if localname != "":
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currentdir = os.path.join(currentdir,localname)
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list = os.listdir(currentdir)
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for file in list:
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afilename = file
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localfilePath = os.path.join(localname, afilename)
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realfilePath = os.path.join(currentdir,file)
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if os.path.isfile(realfilePath):
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myzip.write(realfilePath, localfilePath)
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elif os.path.isdir(realfilePath):
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zipUpDir(myzip, tdir, localfilePath)
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# cleanup bytestring filenames
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# borrowed from calibre from calibre/src/calibre/__init__.py
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# added in removal of non-printing chars
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# and removal of . at start
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# convert spaces to underscores
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def cleanup_name(name):
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_filename_sanitize = re.compile(r'[\xae\0\\|\?\*<":>\+/]')
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substitute='_'
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one = ''.join(char for char in name if char in string.printable)
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one = _filename_sanitize.sub(substitute, one)
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one = re.sub(r'\s', ' ', one).strip()
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one = re.sub(r'^\.+$', '_', one)
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one = one.replace('..', substitute)
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# Windows doesn't like path components that end with a period
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if one.endswith('.'):
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one = one[:-1]+substitute
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# Mac and Unix don't like file names that begin with a full stop
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if len(one) > 0 and one[0] == '.':
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one = substitute+one[1:]
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one = one.replace(' ','_')
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return one
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#
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# Utility routines
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#
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def decryptBook(infile, outdir, k4, kInfoFiles, serials, pids):
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global buildXML
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# Get a 7 bit encoded number from file
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def bookReadEncodedNumber(fo):
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flag = False
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data = ord(fo.read(1))
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if data == 0xFF:
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flag = True
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data = ord(fo.read(1))
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if data >= 0x80:
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datax = (data & 0x7F)
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while data >= 0x80 :
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data = ord(fo.read(1))
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datax = (datax <<7) + (data & 0x7F)
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data = datax
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if flag:
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data = -data
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return data
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# Get a length prefixed string from file
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def bookReadString(fo):
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stringLength = bookReadEncodedNumber(fo)
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return unpack(str(stringLength)+"s",fo.read(stringLength))[0]
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# handle the obvious cases at the beginning
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if not os.path.isfile(infile):
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print >>sys.stderr, ('K4MobiDeDrm v%(__version__)s\n' % globals()) + "Error: Input file does not exist"
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return 1
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#
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# crypto routines
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#
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mobi = True
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magic3 = file(infile,'rb').read(3)
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if magic3 == 'TPZ':
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mobi = False
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# Context initialisation for the Topaz Crypto
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def topazCryptoInit(key):
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ctx1 = 0x0CAFFE19E
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for keyChar in key:
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keyByte = ord(keyChar)
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ctx2 = ctx1
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ctx1 = ((((ctx1 >>2) * (ctx1 >>7))&0xFFFFFFFF) ^ (keyByte * keyByte * 0x0F902007)& 0xFFFFFFFF )
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return [ctx1,ctx2]
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# decrypt data with the context prepared by topazCryptoInit()
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def topazCryptoDecrypt(data, ctx):
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ctx1 = ctx[0]
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ctx2 = ctx[1]
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plainText = ""
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for dataChar in data:
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dataByte = ord(dataChar)
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m = (dataByte ^ ((ctx1 >> 3) &0xFF) ^ ((ctx2<<3) & 0xFF)) &0xFF
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ctx2 = ctx1
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ctx1 = (((ctx1 >> 2) * (ctx1 >> 7)) &0xFFFFFFFF) ^((m * m * 0x0F902007) &0xFFFFFFFF)
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plainText += chr(m)
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return plainText
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bookname = os.path.splitext(os.path.basename(infile))[0]
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# Decrypt data with the PID
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def decryptRecord(data,PID):
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ctx = topazCryptoInit(PID)
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return topazCryptoDecrypt(data, ctx)
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if mobi:
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mb = mobidedrm.MobiBook(infile)
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else:
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mb = topazextract.TopazBook(infile)
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# Try to decrypt a dkey record (contains the bookPID)
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def decryptDkeyRecord(data,PID):
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record = decryptRecord(data,PID)
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fields = unpack("3sB8sB8s3s",record)
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if fields[0] != "PID" or fields[5] != "pid" :
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raise TpzDRMError("Didn't find PID magic numbers in record")
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elif fields[1] != 8 or fields[3] != 8 :
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raise TpzDRMError("Record didn't contain correct length fields")
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elif fields[2] != PID :
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raise TpzDRMError("Record didn't contain PID")
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return fields[4]
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title = mb.getBookTitle()
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print "Processing Book: ", title
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filenametitle = cleanup_name(title)
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outfilename = bookname
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if len(outfilename)<=8 or len(filenametitle)<=8:
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outfilename = outfilename + "_" + filenametitle
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elif outfilename[:8] != filenametitle[:8]:
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outfilename = outfilename[:8] + "_" + filenametitle
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# Decrypt all dkey records (contain the book PID)
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def decryptDkeyRecords(data,PID):
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nbKeyRecords = ord(data[0])
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records = []
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data = data[1:]
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for i in range (0,nbKeyRecords):
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length = ord(data[0])
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try:
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key = decryptDkeyRecord(data[1:length+1],PID)
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records.append(key)
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except TpzDRMError:
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pass
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data = data[1+length:]
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if len(records) == 0:
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raise TpzDRMError("BookKey Not Found")
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return records
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# avoid excessively long file names
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if len(outfilename)>150:
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outfilename = outfilename[:150]
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# build pid list
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md1, md2 = mb.getPIDMetaInfo()
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pidlst = kgenpids.getPidList(md1, md2, k4, pids, serials, kInfoFiles)
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class TopazBook:
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def __init__(self, filename):
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self.fo = file(filename, 'rb')
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self.outdir = tempfile.mkdtemp()
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# self.outdir = 'rawdat'
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self.bookPayloadOffset = 0
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self.bookHeaderRecords = {}
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self.bookMetadata = {}
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self.bookKey = None
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magic = unpack("4s",self.fo.read(4))[0]
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if magic != 'TPZ0':
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raise TpzDRMError("Parse Error : Invalid Header, not a Topaz file")
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self.parseTopazHeaders()
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self.parseMetadata()
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try:
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mb.processBook(pidlst)
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def parseTopazHeaders(self):
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def bookReadHeaderRecordData():
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# Read and return the data of one header record at the current book file position
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# [[offset,decompressedLength,compressedLength],...]
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nbValues = bookReadEncodedNumber(self.fo)
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values = []
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for i in range (0,nbValues):
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values.append([bookReadEncodedNumber(self.fo),bookReadEncodedNumber(self.fo),bookReadEncodedNumber(self.fo)])
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return values
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def parseTopazHeaderRecord():
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# Read and parse one header record at the current book file position and return the associated data
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# [[offset,decompressedLength,compressedLength],...]
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if ord(self.fo.read(1)) != 0x63:
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raise TpzDRMError("Parse Error : Invalid Header")
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tag = bookReadString(self.fo)
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record = bookReadHeaderRecordData()
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return [tag,record]
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nbRecords = bookReadEncodedNumber(self.fo)
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for i in range (0,nbRecords):
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result = parseTopazHeaderRecord()
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# print result[0], result[1]
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self.bookHeaderRecords[result[0]] = result[1]
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if ord(self.fo.read(1)) != 0x64 :
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raise TpzDRMError("Parse Error : Invalid Header")
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self.bookPayloadOffset = self.fo.tell()
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except mobidedrm.DrmException, e:
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print >>sys.stderr, ('K4MobiDeDrm v%(__version__)s\n' % globals()) + "Error: " + str(e) + "\nDRM Removal Failed.\n"
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return 1
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except topazextract.TpzDRMError, e:
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print >>sys.stderr, ('K4MobiDeDrm v%(__version__)s\n' % globals()) + "Error: " + str(e) + "\nDRM Removal Failed.\n"
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return 1
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except Exception, e:
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print >>sys.stderr, ('K4MobiDeDrm v%(__version__)s\n' % globals()) + "Error: " + str(e) + "\nDRM Removal Failed.\n"
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return 1
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def parseMetadata(self):
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# Parse the metadata record from the book payload and return a list of [key,values]
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self.fo.seek(self.bookPayloadOffset + self.bookHeaderRecords["metadata"][0][0])
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tag = bookReadString(self.fo)
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if tag != "metadata" :
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raise TpzDRMError("Parse Error : Record Names Don't Match")
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flags = ord(self.fo.read(1))
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nbRecords = ord(self.fo.read(1))
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# print nbRecords
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for i in range (0,nbRecords) :
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keyval = bookReadString(self.fo)
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content = bookReadString(self.fo)
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# print keyval
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# print content
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self.bookMetadata[keyval] = content
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return self.bookMetadata
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def getPIDMetaInfo(self):
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keysRecord = self.bookMetadata.get('keys','')
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keysRecordRecord = ''
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if keysRecord != '':
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keylst = keysRecord.split(',')
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for keyval in keylst:
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keysRecordRecord += self.bookMetadata.get(keyval,'')
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return keysRecord, keysRecordRecord
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def getBookTitle(self):
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title = ''
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if 'Title' in self.bookMetadata:
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title = self.bookMetadata['Title']
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return title
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def setBookKey(self, key):
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self.bookKey = key
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def getBookPayloadRecord(self, name, index):
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# Get a record in the book payload, given its name and index.
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# decrypted and decompressed if necessary
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encrypted = False
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compressed = False
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try:
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recordOffset = self.bookHeaderRecords[name][index][0]
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except:
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raise TpzDRMError("Parse Error : Invalid Record, record not found")
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self.fo.seek(self.bookPayloadOffset + recordOffset)
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tag = bookReadString(self.fo)
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if tag != name :
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raise TpzDRMError("Parse Error : Invalid Record, record name doesn't match")
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recordIndex = bookReadEncodedNumber(self.fo)
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if recordIndex < 0 :
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encrypted = True
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recordIndex = -recordIndex -1
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if recordIndex != index :
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raise TpzDRMError("Parse Error : Invalid Record, index doesn't match")
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if (self.bookHeaderRecords[name][index][2] > 0):
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compressed = True
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record = self.fo.read(self.bookHeaderRecords[name][index][2])
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if mobi:
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if mb.getPrintReplica():
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outfile = os.path.join(outdir, outfilename + '_nodrm' + '.azw4')
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else:
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record = self.fo.read(self.bookHeaderRecords[name][index][1])
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outfile = os.path.join(outdir, outfilename + '_nodrm' + '.mobi')
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mb.getMobiFile(outfile)
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return 0
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if encrypted:
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if self.bookKey:
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ctx = topazCryptoInit(self.bookKey)
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record = topazCryptoDecrypt(record,ctx)
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else :
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raise TpzDRMError("Error: Attempt to decrypt without bookKey")
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# topaz:
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print " Creating NoDRM HTMLZ Archive"
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zipname = os.path.join(outdir, outfilename + '_nodrm' + '.htmlz')
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mb.getHTMLZip(zipname)
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if compressed:
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record = zlib.decompress(record)
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print " Creating SVG ZIP Archive"
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zipname = os.path.join(outdir, outfilename + '_SVG' + '.zip')
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mb.getSVGZip(zipname)
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return record
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if buildXML:
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print " Creating XML ZIP Archive"
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zipname = os.path.join(outdir, outfilename + '_XML' + '.zip')
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mb.getXMLZip(zipname)
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def processBook(self, pidlst):
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raw = 0
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fixedimage=True
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try:
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keydata = self.getBookPayloadRecord('dkey', 0)
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except TpzDRMError, e:
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print "no dkey record found, book may not be encrypted"
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print "attempting to extrct files without a book key"
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self.createBookDirectory()
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self.extractFiles()
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print "Successfully Extracted Topaz contents"
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rv = genbook.generateBook(self.outdir, raw, fixedimage)
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if rv == 0:
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print "\nBook Successfully generated"
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return rv
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# try each pid to decode the file
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bookKey = None
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for pid in pidlst:
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# use 8 digit pids here
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pid = pid[0:8]
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print "\nTrying: ", pid
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bookKeys = []
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data = keydata
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try:
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bookKeys+=decryptDkeyRecords(data,pid)
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except TpzDRMError, e:
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pass
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else:
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bookKey = bookKeys[0]
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print "Book Key Found!"
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break
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# remove internal temporary directory of Topaz pieces
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mb.cleanup()
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if not bookKey:
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raise TpzDRMError('Decryption Unsucessful; No valid pid found')
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return 0
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self.setBookKey(bookKey)
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self.createBookDirectory()
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self.extractFiles()
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print "Successfully Extracted Topaz contents"
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rv = genbook.generateBook(self.outdir, raw, fixedimage)
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if rv == 0:
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print "\nBook Successfully generated"
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return rv
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def createBookDirectory(self):
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outdir = self.outdir
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# create output directory structure
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if not os.path.exists(outdir):
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os.makedirs(outdir)
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destdir = os.path.join(outdir,'img')
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if not os.path.exists(destdir):
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os.makedirs(destdir)
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destdir = os.path.join(outdir,'color_img')
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if not os.path.exists(destdir):
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os.makedirs(destdir)
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destdir = os.path.join(outdir,'page')
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if not os.path.exists(destdir):
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os.makedirs(destdir)
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destdir = os.path.join(outdir,'glyphs')
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if not os.path.exists(destdir):
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os.makedirs(destdir)
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def extractFiles(self):
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outdir = self.outdir
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for headerRecord in self.bookHeaderRecords:
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name = headerRecord
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if name != "dkey" :
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ext = '.dat'
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if name == 'img' : ext = '.jpg'
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if name == 'color' : ext = '.jpg'
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print "\nProcessing Section: %s " % name
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for index in range (0,len(self.bookHeaderRecords[name])) :
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fnum = "%04d" % index
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fname = name + fnum + ext
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destdir = outdir
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if name == 'img':
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destdir = os.path.join(outdir,'img')
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if name == 'color':
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destdir = os.path.join(outdir,'color_img')
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if name == 'page':
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destdir = os.path.join(outdir,'page')
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if name == 'glyphs':
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destdir = os.path.join(outdir,'glyphs')
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outputFile = os.path.join(destdir,fname)
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print ".",
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record = self.getBookPayloadRecord(name,index)
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if record != '':
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file(outputFile, 'wb').write(record)
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print " "
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def getHTMLZip(self, zipname):
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htmlzip = zipfile.ZipFile(zipname,'w',zipfile.ZIP_DEFLATED, False)
|
||||
htmlzip.write(os.path.join(self.outdir,'book.html'),'book.html')
|
||||
htmlzip.write(os.path.join(self.outdir,'book.opf'),'book.opf')
|
||||
if os.path.isfile(os.path.join(self.outdir,'cover.jpg')):
|
||||
htmlzip.write(os.path.join(self.outdir,'cover.jpg'),'cover.jpg')
|
||||
htmlzip.write(os.path.join(self.outdir,'style.css'),'style.css')
|
||||
zipUpDir(htmlzip, self.outdir, 'img')
|
||||
htmlzip.close()
|
||||
|
||||
def getSVGZip(self, zipname):
|
||||
svgzip = zipfile.ZipFile(zipname,'w',zipfile.ZIP_DEFLATED, False)
|
||||
svgzip.write(os.path.join(self.outdir,'index_svg.xhtml'),'index_svg.xhtml')
|
||||
zipUpDir(svgzip, self.outdir, 'svg')
|
||||
zipUpDir(svgzip, self.outdir, 'img')
|
||||
svgzip.close()
|
||||
|
||||
def getXMLZip(self, zipname):
|
||||
xmlzip = zipfile.ZipFile(zipname,'w',zipfile.ZIP_DEFLATED, False)
|
||||
targetdir = os.path.join(self.outdir,'xml')
|
||||
zipUpDir(xmlzip, targetdir, '')
|
||||
zipUpDir(xmlzip, self.outdir, 'img')
|
||||
xmlzip.close()
|
||||
|
||||
def cleanup(self):
|
||||
if os.path.isdir(self.outdir):
|
||||
pass
|
||||
# shutil.rmtree(self.outdir, True)
|
||||
|
||||
def usage(progname):
|
||||
print "Removes DRM protection from Topaz ebooks and extract the contents"
|
||||
print "Removes DRM protection from K4PC/M, Kindle, Mobi and Topaz ebooks"
|
||||
print "Usage:"
|
||||
print " %s [-k <kindle.info>] [-p <pidnums>] [-s <kindleSerialNumbers>] <infile> <outdir> " % progname
|
||||
|
||||
|
||||
#
|
||||
# Main
|
||||
#
|
||||
def main(argv=sys.argv):
|
||||
progname = os.path.basename(argv[0])
|
||||
|
||||
k4 = False
|
||||
pids = []
|
||||
serials = []
|
||||
kInfoFiles = []
|
||||
|
||||
serials = []
|
||||
pids = []
|
||||
|
||||
print ('K4MobiDeDrm v%(__version__)s '
|
||||
'provided by the work of many including DiapDealer, SomeUpdates, IHeartCabbages, CMBDTC, Skindle, DarkReverser, ApprenticeAlf, etc .' % globals())
|
||||
|
||||
try:
|
||||
opts, args = getopt.getopt(sys.argv[1:], "k:p:s:")
|
||||
except getopt.GetoptError, err:
|
||||
print str(err)
|
||||
usage(progname)
|
||||
return 1
|
||||
sys.exit(2)
|
||||
if len(args)<2:
|
||||
usage(progname)
|
||||
return 1
|
||||
|
||||
sys.exit(2)
|
||||
|
||||
for o, a in opts:
|
||||
if o == "-k":
|
||||
if a == None :
|
||||
print "Invalid parameter for -k"
|
||||
return 1
|
||||
raise DrmException("Invalid parameter for -k")
|
||||
kInfoFiles.append(a)
|
||||
if o == "-p":
|
||||
if a == None :
|
||||
print "Invalid parameter for -p"
|
||||
return 1
|
||||
raise DrmException("Invalid parameter for -p")
|
||||
pids = a.split(',')
|
||||
if o == "-s":
|
||||
if a == None :
|
||||
print "Invalid parameter for -s"
|
||||
return 1
|
||||
raise DrmException("Invalid parameter for -s")
|
||||
serials = a.split(',')
|
||||
k4 = True
|
||||
|
||||
# try with built in Kindle Info files
|
||||
k4 = True
|
||||
if sys.platform.startswith('linux'):
|
||||
k4 = False
|
||||
kInfoFiles = None
|
||||
infile = args[0]
|
||||
outdir = args[1]
|
||||
return decryptBook(infile, outdir, k4, kInfoFiles, serials, pids)
|
||||
|
||||
if not os.path.isfile(infile):
|
||||
print "Input File Does Not Exist"
|
||||
return 1
|
||||
|
||||
bookname = os.path.splitext(os.path.basename(infile))[0]
|
||||
|
||||
tb = TopazBook(infile)
|
||||
title = tb.getBookTitle()
|
||||
print "Processing Book: ", title
|
||||
keysRecord, keysRecordRecord = tb.getPIDMetaInfo()
|
||||
pidlst = kgenpids.getPidList(keysRecord, keysRecordRecord, k4, pids, serials, kInfoFiles)
|
||||
|
||||
try:
|
||||
print "Decrypting Book"
|
||||
tb.processBook(pidlst)
|
||||
|
||||
print " Creating HTML ZIP Archive"
|
||||
zipname = os.path.join(outdir, bookname + '_nodrm' + '.htmlz')
|
||||
tb.getHTMLZip(zipname)
|
||||
|
||||
print " Creating SVG ZIP Archive"
|
||||
zipname = os.path.join(outdir, bookname + '_SVG' + '.zip')
|
||||
tb.getSVGZip(zipname)
|
||||
|
||||
print " Creating XML ZIP Archive"
|
||||
zipname = os.path.join(outdir, bookname + '_XML' + '.zip')
|
||||
tb.getXMLZip(zipname)
|
||||
|
||||
# removing internal temporary directory of pieces
|
||||
tb.cleanup()
|
||||
|
||||
except TpzDRMError, e:
|
||||
print str(e)
|
||||
# tb.cleanup()
|
||||
return 1
|
||||
|
||||
except Exception, e:
|
||||
print str(e)
|
||||
# tb.cleanup
|
||||
return 1
|
||||
|
||||
return 0
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
sys.stdout=Unbuffered(sys.stdout)
|
||||
sys.exit(main())
|
||||
|
||||
|
||||
Reference in New Issue
Block a user