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mobidedrm 0.15

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Apprentice Alf
2010-03-17 10:52:52 +00:00
parent 37696e1495
commit 6c70a073d9
3 changed files with 257 additions and 179 deletions
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23
Kindle_Mobi_Tools/lib/mobidedrm.py
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@@ -37,8 +37,9 @@
# in utf8 file are encrypted. (Although neither kind gets compressed.)
# This knowledge leads to a simplification of the test for the
# trailing data byte flags - version 5 and higher AND header size >= 0xE4.
# 0.15 - Now outputs 'hearbeat', and is also quicker for long files.
__version__ = '0.14'
__version__ = '0.15'
import sys
import struct
@@ -196,8 +197,7 @@ class DrmStripper:
mobi_length, = struct.unpack('>L',sect[0x14:0x18])
mobi_version, = struct.unpack('>L',sect[0x68:0x6C])
extra_data_flags = 0
print "MOBI header length = %d" %mobi_length
print "MOBI header version = %d" %mobi_version
print "MOBI header version = %d, length = %d" %(mobi_version, mobi_length)
if (mobi_length >= 0xE4) and (mobi_version >= 5):
extra_data_flags, = struct.unpack('>H', sect[0xF2:0xF4])
print "Extra Data Flags = %d" %extra_data_flags
@@ -227,13 +227,22 @@ class DrmStripper:
self.patchSection(0, "\0" * 2, 0xC)
# decrypt sections
print "Decrypting. Please wait...",
print "Decrypting. Please wait . . .",
new_data = self.data_file[:self.sections[1][0]]
for i in xrange(1, records+1):
data = self.loadSection(i)
extra_size = getSizeOfTrailingDataEntries(data, len(data), extra_data_flags)
if i%100 == 0:
print ".",
# print "record %d, extra_size %d" %(i,extra_size)
self.patchSection(i, PC1(found_key, data[0:len(data) - extra_size]))
print "done"
new_data += PC1(found_key, data[0:len(data) - extra_size])
if extra_size > 0:
new_data += data[-extra_size:]
#self.patchSection(i, PC1(found_key, data[0:len(data) - extra_size]))
if self.num_sections > records+1:
new_data += self.data_file[self.sections[records+1][0]:]
self.data_file = new_data
print "done."
def getResult(self):
return self.data_file
@@ -246,7 +255,7 @@ if not __name__ == "__main__":
description = 'Removes DRM from secure Mobi files'
supported_platforms = ['linux', 'osx', 'windows'] # Platforms this plugin will run on
author = 'The Dark Reverser' # The author of this plugin
version = (0, 1, 4) # The version number of this plugin
version = (0, 1, 5) # The version number of this plugin
file_types = set(['prc','mobi','azw']) # The file types that this plugin will be applied to
on_import = True # Run this plugin during the import