tools v5.0

Introduction of alfcrypto library for speed
Reorganisation of archive plugins,apps,other
This commit is contained in:
Apprentice Alf
2012-03-06 18:24:28 +00:00
parent 882edb6c69
commit 07e532f59c
112 changed files with 11472 additions and 5177 deletions

View File

@@ -16,15 +16,18 @@ if 'calibre' in sys.modules:
else:
inCalibre = False
buildXML = False
import os, csv, getopt
import zlib, zipfile, tempfile, shutil
from struct import pack
from struct import unpack
from alfcrypto import Topaz_Cipher
class TpzDRMError(Exception):
pass
# local support routines
if inCalibre:
from calibre_plugins.k4mobidedrm import kgenpids
@@ -58,22 +61,22 @@ def bookReadEncodedNumber(fo):
flag = False
data = ord(fo.read(1))
if data == 0xFF:
flag = True
data = ord(fo.read(1))
flag = True
data = ord(fo.read(1))
if data >= 0x80:
datax = (data & 0x7F)
while data >= 0x80 :
data = ord(fo.read(1))
datax = (datax <<7) + (data & 0x7F)
data = datax
data = datax
if flag:
data = -data
data = -data
return data
# Get a length prefixed string from file
# Get a length prefixed string from file
def bookReadString(fo):
stringLength = bookReadEncodedNumber(fo)
return unpack(str(stringLength)+"s",fo.read(stringLength))[0]
return unpack(str(stringLength)+"s",fo.read(stringLength))[0]
#
# crypto routines
@@ -81,25 +84,28 @@ def bookReadString(fo):
# Context initialisation for the Topaz Crypto
def topazCryptoInit(key):
ctx1 = 0x0CAFFE19E
for keyChar in key:
keyByte = ord(keyChar)
ctx2 = ctx1
ctx1 = ((((ctx1 >>2) * (ctx1 >>7))&0xFFFFFFFF) ^ (keyByte * keyByte * 0x0F902007)& 0xFFFFFFFF )
return [ctx1,ctx2]
return Topaz_Cipher().ctx_init(key)
# ctx1 = 0x0CAFFE19E
# for keyChar in key:
# keyByte = ord(keyChar)
# ctx2 = ctx1
# ctx1 = ((((ctx1 >>2) * (ctx1 >>7))&0xFFFFFFFF) ^ (keyByte * keyByte * 0x0F902007)& 0xFFFFFFFF )
# return [ctx1,ctx2]
# decrypt data with the context prepared by topazCryptoInit()
def topazCryptoDecrypt(data, ctx):
ctx1 = ctx[0]
ctx2 = ctx[1]
plainText = ""
for dataChar in data:
dataByte = ord(dataChar)
m = (dataByte ^ ((ctx1 >> 3) &0xFF) ^ ((ctx2<<3) & 0xFF)) &0xFF
ctx2 = ctx1
ctx1 = (((ctx1 >> 2) * (ctx1 >> 7)) &0xFFFFFFFF) ^((m * m * 0x0F902007) &0xFFFFFFFF)
plainText += chr(m)
return plainText
return Topaz_Cipher().decrypt(data, ctx)
# ctx1 = ctx[0]
# ctx2 = ctx[1]
# plainText = ""
# for dataChar in data:
# dataByte = ord(dataChar)
# m = (dataByte ^ ((ctx1 >> 3) &0xFF) ^ ((ctx2<<3) & 0xFF)) &0xFF
# ctx2 = ctx1
# ctx1 = (((ctx1 >> 2) * (ctx1 >> 7)) &0xFFFFFFFF) ^((m * m * 0x0F902007) &0xFFFFFFFF)
# plainText += chr(m)
# return plainText
# Decrypt data with the PID
def decryptRecord(data,PID):
@@ -153,7 +159,7 @@ class TopazBook:
def parseTopazHeaders(self):
def bookReadHeaderRecordData():
# Read and return the data of one header record at the current book file position
# Read and return the data of one header record at the current book file position
# [[offset,decompressedLength,compressedLength],...]
nbValues = bookReadEncodedNumber(self.fo)
values = []
@@ -213,11 +219,11 @@ class TopazBook:
self.bookKey = key
def getBookPayloadRecord(self, name, index):
# Get a record in the book payload, given its name and index.
# decrypted and decompressed if necessary
# Get a record in the book payload, given its name and index.
# decrypted and decompressed if necessary
encrypted = False
compressed = False
try:
try:
recordOffset = self.bookHeaderRecords[name][index][0]
except:
raise TpzDRMError("Parse Error : Invalid Record, record not found")
@@ -268,8 +274,8 @@ class TopazBook:
rv = genbook.generateBook(self.outdir, raw, fixedimage)
if rv == 0:
print "\nBook Successfully generated"
return rv
return rv
# try each pid to decode the file
bookKey = None
for pid in pidlst:
@@ -297,7 +303,7 @@ class TopazBook:
rv = genbook.generateBook(self.outdir, raw, fixedimage)
if rv == 0:
print "\nBook Successfully generated"
return rv
return rv
def createBookDirectory(self):
outdir = self.outdir
@@ -361,7 +367,7 @@ class TopazBook:
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')
@@ -371,23 +377,23 @@ class TopazBook:
def cleanup(self):
if os.path.isdir(self.outdir):
pass
# shutil.rmtree(self.outdir, True)
shutil.rmtree(self.outdir, True)
def usage(progname):
print "Removes DRM protection from Topaz ebooks and extract the contents"
print "Usage:"
print " %s [-k <kindle.info>] [-p <pidnums>] [-s <kindleSerialNumbers>] <infile> <outdir> " % progname
# Main
def main(argv=sys.argv):
global buildXML
progname = os.path.basename(argv[0])
k4 = False
pids = []
serials = []
kInfoFiles = []
try:
opts, args = getopt.getopt(sys.argv[1:], "k:p:s:")
except getopt.GetoptError, err:
@@ -397,7 +403,7 @@ def main(argv=sys.argv):
if len(args)<2:
usage(progname)
return 1
for o, a in opts:
if o == "-k":
if a == None :
@@ -429,7 +435,7 @@ def main(argv=sys.argv):
title = tb.getBookTitle()
print "Processing Book: ", title
keysRecord, keysRecordRecord = tb.getPIDMetaInfo()
pidlst = kgenpids.getPidList(keysRecord, keysRecordRecord, k4, pids, serials, kInfoFiles)
pidlst = kgenpids.getPidList(keysRecord, keysRecordRecord, k4, pids, serials, kInfoFiles)
try:
print "Decrypting Book"
@@ -443,9 +449,10 @@ def main(argv=sys.argv):
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)
if buildXML:
print " Creating XML ZIP Archive"
zipname = os.path.join(outdir, bookname + '_XML' + '.zip')
tb.getXMLZip(zipname)
# removing internal temporary directory of pieces
tb.cleanup()
@@ -461,9 +468,8 @@ def main(argv=sys.argv):
return 1
return 0
if __name__ == '__main__':
sys.stdout=Unbuffered(sys.stdout)
sys.exit(main())