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tools v5.5

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Plugins now include unaltered stand-alone scripts, so no longer need to keep separate copies.
This commit is contained in:
Apprentice Alf
2012-12-19 13:48:11 +00:00
parent b661a6cdc5
commit 9fda194391
162 changed files with 7115 additions and 26596 deletions
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271
DeDRM_Macintosh_Application/DeDRM.app/Contents/Resources/mobidedrm.py
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@@ -1,5 +1,11 @@
#!/usr/bin/python
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# mobidedrm.py, version 0.38
# Copyright © 2008 The Dark Reverser
#
# Modified 2008–2012 by some_updates, DiapDealer and Apprentice Alf
# This is a python script. You need a Python interpreter to run it.
# For example, ActiveState Python, which exists for windows.
#
@@ -59,26 +65,78 @@
# 0.35 - add interface to get mobi_version
# 0.36 - fixed problem with TEXtREAd and getBookTitle interface
# 0.37 - Fixed double announcement for stand-alone operation
# 0.38 - Unicode used wherever possible, cope with absent alfcrypto
__version__ = '0.37'
__version__ = u"0.38"
import sys
import os
import struct
import binascii
try:
from alfcrypto import Pukall_Cipher
except:
print u"AlfCrypto not found. Using python PC1 implementation."
class Unbuffered:
# Wrap a stream so that output gets flushed immediately
# and also make sure that any unicode strings get
# encoded using "replace" before writing them.
class SafeUnbuffered:
def __init__(self, stream):
self.stream = stream
self.encoding = stream.encoding
if self.encoding == None:
self.encoding = "utf-8"
def write(self, data):
if isinstance(data,unicode):
data = data.encode(self.encoding,"replace")
self.stream.write(data)
self.stream.flush()
def __getattr__(self, attr):
return getattr(self.stream, attr)
sys.stdout=Unbuffered(sys.stdout)
import os
import struct
import binascii
from alfcrypto import Pukall_Cipher
iswindows = sys.platform.startswith('win')
isosx = sys.platform.startswith('darwin')
def unicode_argv():
if iswindows:
# Uses shell32.GetCommandLineArgvW to get sys.argv as a list of Unicode
# strings.
# Versions 2.x of Python don't support Unicode in sys.argv on
# Windows, with the underlying Windows API instead replacing multi-byte
# characters with '?'.
from ctypes import POINTER, byref, cdll, c_int, windll
from ctypes.wintypes import LPCWSTR, LPWSTR
GetCommandLineW = cdll.kernel32.GetCommandLineW
GetCommandLineW.argtypes = []
GetCommandLineW.restype = LPCWSTR
CommandLineToArgvW = windll.shell32.CommandLineToArgvW
CommandLineToArgvW.argtypes = [LPCWSTR, POINTER(c_int)]
CommandLineToArgvW.restype = POINTER(LPWSTR)
cmd = GetCommandLineW()
argc = c_int(0)
argv = CommandLineToArgvW(cmd, byref(argc))
if argc.value > 0:
# Remove Python executable and commands if present
start = argc.value - len(sys.argv)
return [argv[i] for i in
xrange(start, argc.value)]
# if we don't have any arguments at all, just pass back script name
# this should never happen
return [u"mobidedrm.py"]
else:
argvencoding = sys.stdin.encoding
if argvencoding == None:
argvencoding = 'utf-8'
return [arg if (type(arg) == unicode) else unicode(arg,argvencoding) for arg in sys.argv]
class DrmException(Exception):
pass
@@ -90,40 +148,45 @@ class DrmException(Exception):
# Implementation of Pukall Cipher 1
def PC1(key, src, decryption=True):
return Pukall_Cipher().PC1(key,src,decryption)
# sum1 = 0;
# sum2 = 0;
# keyXorVal = 0;
# if len(key)!=16:
# print "Bad key length!"
# return None
# wkey = []
# for i in xrange(8):
# wkey.append(ord(key[i*2])<<8 | ord(key[i*2+1]))
# dst = ""
# for i in xrange(len(src)):
# temp1 = 0;
# byteXorVal = 0;
# for j in xrange(8):
# temp1 ^= wkey[j]
# sum2 = (sum2+j)*20021 + sum1
# sum1 = (temp1*346)&0xFFFF
# sum2 = (sum2+sum1)&0xFFFF
# temp1 = (temp1*20021+1)&0xFFFF
# byteXorVal ^= temp1 ^ sum2
# curByte = ord(src[i])
# if not decryption:
# keyXorVal = curByte * 257;
# curByte = ((curByte ^ (byteXorVal >> 8)) ^ byteXorVal) & 0xFF
# if decryption:
# keyXorVal = curByte * 257;
# for j in xrange(8):
# wkey[j] ^= keyXorVal;
# dst+=chr(curByte)
# return dst
# if we can get it from alfcrypto, use that
try:
return Pukall_Cipher().PC1(key,src,decryption)
except NameError:
pass
# use slow python version, since Pukall_Cipher didn't load
sum1 = 0;
sum2 = 0;
keyXorVal = 0;
if len(key)!=16:
DrmException (u"PC1: Bad key length")
wkey = []
for i in xrange(8):
wkey.append(ord(key[i*2])<<8 | ord(key[i*2+1]))
dst = ""
for i in xrange(len(src)):
temp1 = 0;
byteXorVal = 0;
for j in xrange(8):
temp1 ^= wkey[j]
sum2 = (sum2+j)*20021 + sum1
sum1 = (temp1*346)&0xFFFF
sum2 = (sum2+sum1)&0xFFFF
temp1 = (temp1*20021+1)&0xFFFF
byteXorVal ^= temp1 ^ sum2
curByte = ord(src[i])
if not decryption:
keyXorVal = curByte * 257;
curByte = ((curByte ^ (byteXorVal >> 8)) ^ byteXorVal) & 0xFF
if decryption:
keyXorVal = curByte * 257;
for j in xrange(8):
wkey[j] ^= keyXorVal;
dst+=chr(curByte)
return dst
def checksumPid(s):
letters = "ABCDEFGHIJKLMNPQRSTUVWXYZ123456789"
letters = 'ABCDEFGHIJKLMNPQRSTUVWXYZ123456789'
crc = (~binascii.crc32(s,-1))&0xFFFFFFFF
crc = crc ^ (crc >> 16)
res = s
@@ -171,17 +234,24 @@ class MobiBook:
off = self.sections[section][0]
return self.data_file[off:endoff]
def __init__(self, infile, announce = True):
if announce:
print ('MobiDeDrm v%(__version__)s. '
'Copyright 2008-2012 The Dark Reverser et al.' % globals())
def cleanup(self):
# to match function in Topaz book
pass
def __init__(self, infile):
print u"MobiDeDrm v{0:s}.\nCopyright © 2008-2012 The Dark Reverser et al.".format(__version__)
try:
from alfcrypto import Pukall_Cipher
except:
print u"AlfCrypto not found. Using python PC1 implementation."
# initial sanity check on file
self.data_file = file(infile, 'rb').read()
self.mobi_data = ''
self.header = self.data_file[0:78]
if self.header[0x3C:0x3C+8] != 'BOOKMOBI' and self.header[0x3C:0x3C+8] != 'TEXtREAd':
raise DrmException("invalid file format")
raise DrmException(u"Invalid file format")
self.magic = self.header[0x3C:0x3C+8]
self.crypto_type = -1
@@ -199,7 +269,7 @@ class MobiBook:
self.compression, = struct.unpack('>H', self.sect[0x0:0x0+2])
if self.magic == 'TEXtREAd':
print "Book has format: ", self.magic
print u"PalmDoc format book detected."
self.extra_data_flags = 0
self.mobi_length = 0
self.mobi_codepage = 1252
@@ -209,11 +279,11 @@ class MobiBook:
self.mobi_length, = struct.unpack('>L',self.sect[0x14:0x18])
self.mobi_codepage, = struct.unpack('>L',self.sect[0x1c:0x20])
self.mobi_version, = struct.unpack('>L',self.sect[0x68:0x6C])
print "MOBI header version = %d, length = %d" %(self.mobi_version, self.mobi_length)
print u"MOBI header version {0:d}, header length {1:d}".format(self.mobi_version, self.mobi_length)
self.extra_data_flags = 0
if (self.mobi_length >= 0xE4) and (self.mobi_version >= 5):
self.extra_data_flags, = struct.unpack('>H', self.sect[0xF2:0xF4])
print "Extra Data Flags = %d" % self.extra_data_flags
print u"Extra Data Flags: {0:d}".format(self.extra_data_flags)
if (self.compression != 17480):
# multibyte utf8 data is included in the encryption for PalmDoc compression
# so clear that byte so that we leave it to be decrypted.
@@ -223,10 +293,10 @@ class MobiBook:
self.meta_array = {}
try:
exth_flag, = struct.unpack('>L', self.sect[0x80:0x84])
exth = 'NONE'
exth = ''
if exth_flag & 0x40:
exth = self.sect[16 + self.mobi_length:]
if (len(exth) >= 4) and (exth[:4] == 'EXTH'):
if (len(exth) >= 12) and (exth[:4] == 'EXTH'):
nitems, = struct.unpack('>I', exth[8:12])
pos = 12
for i in xrange(nitems):
@@ -236,10 +306,10 @@ class MobiBook:
# reset the text to speech flag and clipping limit, if present
if type == 401 and size == 9:
# set clipping limit to 100%
self.patchSection(0, "\144", 16 + self.mobi_length + pos + 8)
self.patchSection(0, '\144', 16 + self.mobi_length + pos + 8)
elif type == 404 and size == 9:
# make sure text to speech is enabled
self.patchSection(0, "\0", 16 + self.mobi_length + pos + 8)
self.patchSection(0, '\0', 16 + self.mobi_length + pos + 8)
# print type, size, content, content.encode('hex')
pos += size
except:
@@ -265,8 +335,8 @@ class MobiBook:
codec = codec_map[self.mobi_codepage]
if title == '':
title = self.header[:32]
title = title.split("\0")[0]
return unicode(title, codec).encode('utf-8')
title = title.split('\0')[0]
return unicode(title, codec)
def getPIDMetaInfo(self):
rec209 = ''
@@ -297,7 +367,7 @@ class MobiBook:
def parseDRM(self, data, count, pidlist):
found_key = None
keyvec1 = "\x72\x38\x33\xB0\xB4\xF2\xE3\xCA\xDF\x09\x01\xD6\xE2\xE0\x3F\x96"
keyvec1 = '\x72\x38\x33\xB0\xB4\xF2\xE3\xCA\xDF\x09\x01\xD6\xE2\xE0\x3F\x96'
for pid in pidlist:
bigpid = pid.ljust(16,'\0')
temp_key = PC1(keyvec1, bigpid, False)
@@ -315,7 +385,7 @@ class MobiBook:
break
if not found_key:
# Then try the default encoding that doesn't require a PID
pid = "00000000"
pid = '00000000'
temp_key = keyvec1
temp_key_sum = sum(map(ord,temp_key)) & 0xff
for i in xrange(count):
@@ -328,82 +398,90 @@ class MobiBook:
break
return [found_key,pid]
def getMobiFile(self, outpath):
def getFile(self, outpath):
file(outpath,'wb').write(self.mobi_data)
def getMobiVersion(self):
return self.mobi_version
def getBookType(self):
if self.print_replica:
return u"Print Replica"
if self.mobi_version >= 8:
return u"Kindle Format 8"
return u"Mobipocket"
def getPrintReplica(self):
return self.print_replica
def getBookExtension(self):
if self.print_replica:
return u".azw4"
if self.mobi_version >= 8:
return u".azw3"
return u".mobi"
def processBook(self, pidlist):
crypto_type, = struct.unpack('>H', self.sect[0xC:0xC+2])
print 'Crypto Type is: ', crypto_type
print u"Crypto Type is: {0:d}".format(crypto_type)
self.crypto_type = crypto_type
if crypto_type == 0:
print "This book is not encrypted."
print u"This book is not encrypted."
# we must still check for Print Replica
self.print_replica = (self.loadSection(1)[0:4] == '%MOP')
self.mobi_data = self.data_file
return
if crypto_type != 2 and crypto_type != 1:
raise DrmException("Cannot decode unknown Mobipocket encryption type %d" % crypto_type)
raise DrmException(u"Cannot decode unknown Mobipocket encryption type {0:d}".format(crypto_type))
if 406 in self.meta_array:
data406 = self.meta_array[406]
val406, = struct.unpack('>Q',data406)
if val406 != 0:
raise DrmException("Cannot decode library or rented ebooks.")
raise DrmException(u"Cannot decode library or rented ebooks.")
goodpids = []
for pid in pidlist:
if len(pid)==10:
if checksumPid(pid[0:-2]) != pid:
print "Warning: PID " + pid + " has incorrect checksum, should have been "+checksumPid(pid[0:-2])
print u"Warning: PID {0} has incorrect checksum, should have been {1}".format(pid,checksumPid(pid[0:-2]))
goodpids.append(pid[0:-2])
elif len(pid)==8:
goodpids.append(pid)
if self.crypto_type == 1:
t1_keyvec = "QDCVEPMU675RUBSZ"
t1_keyvec = 'QDCVEPMU675RUBSZ'
if self.magic == 'TEXtREAd':
bookkey_data = self.sect[0x0E:0x0E+16]
elif self.mobi_version < 0:
bookkey_data = self.sect[0x90:0x90+16]
else:
bookkey_data = self.sect[self.mobi_length+16:self.mobi_length+32]
pid = "00000000"
pid = '00000000'
found_key = PC1(t1_keyvec, bookkey_data)
else :
# calculate the keys
drm_ptr, drm_count, drm_size, drm_flags = struct.unpack('>LLLL', self.sect[0xA8:0xA8+16])
if drm_count == 0:
raise DrmException("Not yet initialised with PID. Must be opened with Mobipocket Reader first.")
raise DrmException(u"Encryption not initialised. Must be opened with Mobipocket Reader first.")
found_key, pid = self.parseDRM(self.sect[drm_ptr:drm_ptr+drm_size], drm_count, goodpids)
if not found_key:
raise DrmException("No key found in " + str(len(goodpids)) + " keys tried. Read the FAQs at Alf's blog. Only if none apply, report this failure for help.")
raise DrmException(u"No key found in {0:d} keys tried. Read the FAQs at Alf's blog: http://apprenticealf.wordpress.com/".format(len(goodpids)))
# kill the drm keys
self.patchSection(0, "\0" * drm_size, drm_ptr)
self.patchSection(0, '\0' * drm_size, drm_ptr)
# kill the drm pointers
self.patchSection(0, "\xff" * 4 + "\0" * 12, 0xA8)
self.patchSection(0, '\xff' * 4 + '\0' * 12, 0xA8)
if pid=="00000000":
print "File has default encryption, no specific PID."
if pid=='00000000':
print u"File has default encryption, no specific key needed."
else:
print "File is encoded with PID "+checksumPid(pid)+"."
print u"File is encoded with PID {0}.".format(checksumPid(pid))
# clear the crypto type
self.patchSection(0, "\0" * 2, 0xC)
# decrypt sections
print "Decrypting. Please wait . . .",
print u"Decrypting. Please wait . . .",
mobidataList = []
mobidataList.append(self.data_file[:self.sections[1][0]])
for i in xrange(1, self.records+1):
data = self.loadSection(i)
extra_size = getSizeOfTrailingDataEntries(data, len(data), self.extra_data_flags)
if i%100 == 0:
print ".",
print u".",
# print "record %d, extra_size %d" %(i,extra_size)
decoded_data = PC1(found_key, data[0:len(data) - extra_size])
if i==1:
@@ -414,31 +492,24 @@ class MobiBook:
if self.num_sections > self.records+1:
mobidataList.append(self.data_file[self.sections[self.records+1][0]:])
self.mobi_data = "".join(mobidataList)
print "done"
print u"done"
return
def getUnencryptedBook(infile,pid,announce=True):
def getUnencryptedBook(infile,pidlist):
if not os.path.isfile(infile):
raise DrmException('Input File Not Found')
book = MobiBook(infile,announce)
book.processBook([pid])
return book.mobi_data
def getUnencryptedBookWithList(infile,pidlist,announce=True):
if not os.path.isfile(infile):
raise DrmException('Input File Not Found')
book = MobiBook(infile, announce)
raise DrmException(u"Input File Not Found.")
book = MobiBook(infile)
book.processBook(pidlist)
return book.mobi_data
def main(argv=sys.argv):
print ('MobiDeDrm v%(__version__)s. '
'Copyright 2008-2012 The Dark Reverser et al.' % globals())
def cli_main(argv=unicode_argv()):
progname = os.path.basename(argv[0])
if len(argv)<3 or len(argv)>4:
print "Removes protection from Kindle/Mobipocket, Kindle/KF8 and Kindle/Print Replica ebooks"
print "Usage:"
print " %s <infile> <outfile> [<Comma separated list of PIDs to try>]" % sys.argv[0]
print u"MobiDeDrm v{0}.\nCopyright © 2008-2012 The Dark Reverser et al.".format(__version__)
print u"Removes protection from Kindle/Mobipocket, Kindle/KF8 and Kindle/Print Replica ebooks"
print u"Usage:"
print u" {0} <infile> <outfile> [<Comma separated list of PIDs to try>]".format(os.path.basename(sys.argv[0]))
return 1
else:
infile = argv[1]
@@ -446,15 +517,17 @@ def main(argv=sys.argv):
if len(argv) is 4:
pidlist = argv[3].split(',')
else:
pidlist = {}
pidlist = []
try:
stripped_file = getUnencryptedBookWithList(infile, pidlist, False)
stripped_file = getUnencryptedBook(infile, pidlist)
file(outfile, 'wb').write(stripped_file)
except DrmException, e:
print "Error: %s" % e
print u"MobiDeDRM v{0} Error: {0:s}".format(__version__,e.args[0])
return 1
return 0
if __name__ == "__main__":
sys.exit(main())
if __name__ == '__main__':
sys.stdout=SafeUnbuffered(sys.stdout)
sys.stderr=SafeUnbuffered(sys.stderr)
sys.exit(cli_main())