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mobidedrm 0.06 and Applescript

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This commit is contained in:
Paul Durrant
2009-01-08 18:26:01 +00:00
committed by Apprentice Alf
parent bf1161192e
commit 2df89db8f2
5 changed files with 25 additions and 62 deletions
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21
Macintosh_Applications/Mobipocket Unlocker.app/Contents/Resources/MobiDeDRM.py
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@@ -4,8 +4,10 @@
# Changelog
# 0.01 - Initial version
# 0.02 - Huffdic compressed books were not properly decrypted
# 0.03 - fix 0.02 to work with all Mobipocket eBooks
# 0.04 - Wasn't checking MOBI header length
# 0.03 - Wasn't checking MOBI header length
# 0.04 - Wasn't sanity checking size of data record
# 0.05 - It seems that the extra data flags take two bytes not four
# 0.06 - And that low bit does mean something after all :-)
import sys,struct,binascii
@@ -72,14 +74,15 @@ def getSizeOfTrailingDataEntries(ptr, size, flags):
if (v & 0x80) != 0 or (bitpos >= 28) or (size == 0):
return result
num = 0
flags >>= 1
while flags:
if flags & 1:
testflags = flags >> 1
while testflags:
if testflags & 1:
num += getSizeOfTrailingDataEntry(ptr, size - num)
flags >>= 1
testflags >>= 1
if flags & 1:
num += (ord(ptr[size - num - 1]) & 0x3) + 1
return num
class DrmStripper:
def loadSection(self, section):
if (section + 1 == self.num_sections):
@@ -140,7 +143,7 @@ class DrmStripper:
mobi_length, = struct.unpack('>L',sect[0x14:0x18])
extra_data_flags = 0
if mobi_length >= 0xE4:
extra_data_flags, = struct.unpack('>L', sect[0xF0:0xF4])
extra_data_flags, = struct.unpack('>H', sect[0xF2:0xF4])
crypto_type, = struct.unpack('>H', sect[0xC:0xC+2])
@@ -170,7 +173,7 @@ class DrmStripper:
def getResult(self):
return self.data_file
print "MobiDeDrm v0.04. Copyright (c) 2008 The Dark Reverser"
print "MobiDeDrm v0.06. Copyright (c) 2008 The Dark Reverser"
if len(sys.argv)<4:
print "Removes protection from Mobipocket books"
print "Usage:"

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Macintosh_Applications/Mobipocket Unlocker.app/Contents/Resources/Scripts/main.scpt
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5
Macintosh_Applications/Mobipocket Unlocker.app/Contents/Resources/Scripts/main.scpt.txt
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@@ -36,14 +36,14 @@ end unlockfolder
on run
set MobiDeDRMPath to POSIX path of file ((path to me as text) & "Contents:Resources:MobiDeDRM.py")
set encryptedFolder to choose folder with prompt "Please choose the folder of encrypted Mobipocket files."
set encryptionKey to (display dialog "Enter Mobipocket key for encrypted Mobipocket files." default answer "X12QIL1M3D" buttons {"Cancel", "OK"} default button 2)
set encryptionKey to (display dialog "Enter Mobipocket key for encrypted Mobipocket files." default answer "Your PID Here" buttons {"Cancel", "OK"} default button 2)
set encryptionKey to text returned of encryptionKey
unlockfolder(encryptedFolder, MobiDeDRMPath, encryptionKey)
end run
on open some_items
set MobiDeDRMPath to POSIX path of file ((path to me as text) & "Contents:Resources:MobiDeDRM.py")
set encryptionKey to (display dialog "Enter Mobipocket key for encrypted Mobipocket files." default answer "X12QIL1M3D" buttons {"Cancel", "OK"} default button 2)
set encryptionKey to (display dialog "Enter Mobipocket key for encrypted Mobipocket files." default answer "Your PID Here" buttons {"Cancel", "OK"} default button 2)
set encryptionKey to text returned of encryptionKey
repeat with this_item in some_items
if (folder of (info for this_item) is true) then
@@ -55,5 +55,6 @@ on open some_items
end if
end if
end repeat
display dialog "Finished Unlocking." buttons {"OK"} default button 1
end open