mirror of
https://github.com/apprenticeharper/DeDRM_tools
synced 2024-12-26 09:58:55 +01:00
mobidedrm 0.08 incorporates plugin code by David Woodhouse
This commit is contained in:
Apprentice Alf
parent
447edbe7d7
commit
581c7d4829
2 changed files with 50 additions and 34 deletions
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@ -18,7 +18,8 @@
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# 0.04 - Wasn't sanity checking size of data record
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# 0.05 - It seems that the extra data flags take two bytes not four
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# 0.06 - And that low bit does mean something after all :-)
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# 0.07 - The extra data flags aren't present in MOBI header < 0xE8
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# 0.07 - The extra data flags aren't present in MOBI header < 0xE8 in size
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# 0.08 - ...and also not in Mobi header version < 6
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import sys,struct,binascii
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@ -152,9 +153,13 @@ class DrmStripper:
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sect = self.loadSection(0)
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records, = struct.unpack('>H', sect[0x8:0x8+2])
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mobi_length, = struct.unpack('>L',sect[0x14:0x18])
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mobi_version, = struct.unpack('>L',sect[0x68:0x6C])
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extra_data_flags = 0
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if mobi_length >= 0xE8:
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print "MOBI header length = %d" %mobi_length
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print "MOBI header version = %d" %mobi_version
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if (mobi_length >= 0xE8) and (mobi_version > 5):
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extra_data_flags, = struct.unpack('>H', sect[0xF2:0xF4])
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print "Extra Data Flags = %d" %extra_data_flags
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crypto_type, = struct.unpack('>H', sect[0xC:0xC+2])
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@ -185,6 +190,7 @@ class DrmStripper:
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for i in xrange(1, records+1):
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data = self.loadSection(i)
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extra_size = getSizeOfTrailingDataEntries(data, len(data), extra_data_flags)
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# print "record %d, extra_size %d" %(i,extra_size)
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self.patchSection(i, PC1(found_key, data[0:len(data) - extra_size]))
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print "done"
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def getResult(self):
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@ -199,8 +205,8 @@ if not __name__ == "__main__":
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description = 'Removes DRM from secure Mobi files'
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supported_platforms = ['linux', 'osx', 'windows'] # Platforms this plugin will run on
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author = 'The Dark Reverser' # The author of this plugin
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version = (0, 0, 7) # The version number of this plugin
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file_types = set(['prc']) # The file types that this plugin will be applied to
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version = (0, 0, 8) # The version number of this plugin
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file_types = set(['prc','mobi','azw']) # The file types that this plugin will be applied to
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on_import = True # Run this plugin during the import
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@ -208,23 +214,25 @@ if not __name__ == "__main__":
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of = self.temporary_file('.mobi')
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PID = self.site_customization
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data_file = file(path_to_ebook, 'rb').read()
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try:
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file(of.name, 'wb').write(DrmStripper(data_file, PID).getResult())
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except Exception, e:
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# Hm, we should display an error dialog here.
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# Dunno how though.
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# Ignore the dirty hack behind the curtain.
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# strexcept = 'echo exception: %s > /dev/tty' % e
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# subprocess.call(strexcept,shell=True)
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raise e
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ar = PID.split(',')
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for i in ar:
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try:
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file(of.name, 'wb').write(DrmStripper(data_file, i).getResult())
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except DrmException:
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# Hm, we should display an error dialog here.
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# Dunno how though.
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# Ignore the dirty hack behind the curtain.
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# strexcept = 'echo exception: %s > /dev/tty' % e
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# subprocess.call(strexcept,shell=True)
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print i + ": not PID for book"
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else:
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return of.name
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return of.name
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def customization_help(self, gui=False):
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return 'Enter PID'
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return 'Enter PID (separate multiple PIDs with comma)'
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if __name__ == "__main__":
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print "MobiDeDrm v0.07. Copyright (c) 2008 The Dark Reverser"
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print "MobiDeDrm v0.08. Copyright (c) 2008 The Dark Reverser"
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if len(sys.argv)<4:
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print "Removes protection from Mobipocket books"
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print "Usage:"
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@ -18,7 +18,8 @@
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# 0.04 - Wasn't sanity checking size of data record
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# 0.05 - It seems that the extra data flags take two bytes not four
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# 0.06 - And that low bit does mean something after all :-)
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# 0.07 - The extra data flags aren't present in MOBI header < 0xE8
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# 0.07 - The extra data flags aren't present in MOBI header < 0xE8 in size
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# 0.08 - ...and also not in Mobi header version < 6
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import sys,struct,binascii
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@ -152,9 +153,13 @@ class DrmStripper:
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sect = self.loadSection(0)
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records, = struct.unpack('>H', sect[0x8:0x8+2])
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mobi_length, = struct.unpack('>L',sect[0x14:0x18])
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mobi_version, = struct.unpack('>L',sect[0x68:0x6C])
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extra_data_flags = 0
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if mobi_length >= 0xE8:
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print "MOBI header length = %d" %mobi_length
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print "MOBI header version = %d" %mobi_version
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if (mobi_length >= 0xE8) and (mobi_version > 5):
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extra_data_flags, = struct.unpack('>H', sect[0xF2:0xF4])
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print "Extra Data Flags = %d" %extra_data_flags
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crypto_type, = struct.unpack('>H', sect[0xC:0xC+2])
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@ -185,6 +190,7 @@ class DrmStripper:
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for i in xrange(1, records+1):
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data = self.loadSection(i)
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extra_size = getSizeOfTrailingDataEntries(data, len(data), extra_data_flags)
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# print "record %d, extra_size %d" %(i,extra_size)
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self.patchSection(i, PC1(found_key, data[0:len(data) - extra_size]))
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print "done"
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def getResult(self):
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@ -199,8 +205,8 @@ if not __name__ == "__main__":
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description = 'Removes DRM from secure Mobi files'
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supported_platforms = ['linux', 'osx', 'windows'] # Platforms this plugin will run on
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author = 'The Dark Reverser' # The author of this plugin
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version = (0, 0, 7) # The version number of this plugin
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file_types = set(['prc']) # The file types that this plugin will be applied to
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version = (0, 0, 8) # The version number of this plugin
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file_types = set(['prc','mobi','azw']) # The file types that this plugin will be applied to
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on_import = True # Run this plugin during the import
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@ -208,23 +214,25 @@ if not __name__ == "__main__":
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of = self.temporary_file('.mobi')
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PID = self.site_customization
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data_file = file(path_to_ebook, 'rb').read()
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try:
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file(of.name, 'wb').write(DrmStripper(data_file, PID).getResult())
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except Exception, e:
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# Hm, we should display an error dialog here.
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# Dunno how though.
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# Ignore the dirty hack behind the curtain.
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# strexcept = 'echo exception: %s > /dev/tty' % e
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# subprocess.call(strexcept,shell=True)
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raise e
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ar = PID.split(',')
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for i in ar:
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try:
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file(of.name, 'wb').write(DrmStripper(data_file, i).getResult())
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except DrmException:
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# Hm, we should display an error dialog here.
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# Dunno how though.
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# Ignore the dirty hack behind the curtain.
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# strexcept = 'echo exception: %s > /dev/tty' % e
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# subprocess.call(strexcept,shell=True)
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print i + ": not PID for book"
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else:
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return of.name
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return of.name
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def customization_help(self, gui=False):
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return 'Enter PID'
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return 'Enter PID (separate multiple PIDs with comma)'
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if __name__ == "__main__":
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print "MobiDeDrm v0.07. Copyright (c) 2008 The Dark Reverser"
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print "MobiDeDrm v0.08. Copyright (c) 2008 The Dark Reverser"
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if len(sys.argv)<4:
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print "Removes protection from Mobipocket books"
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print "Usage:"
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