You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
300 lines
11 KiB
Python
300 lines
11 KiB
Python
#!/usr/bin/env python
|
|
# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
|
|
|
|
import sys
|
|
sys.path.append('lib')
|
|
import os, os.path, urllib
|
|
import subprocess
|
|
from subprocess import Popen, PIPE, STDOUT
|
|
import subasyncio
|
|
from subasyncio import Process
|
|
import Tkinter
|
|
import Tkconstants
|
|
import tkFileDialog
|
|
import tkMessageBox
|
|
from scrolltextwidget import ScrolledText
|
|
import binascii
|
|
import hashlib
|
|
|
|
|
|
#
|
|
# Returns the SHA1 digest of "message"
|
|
#
|
|
def SHA1(message):
|
|
ctx = hashlib.sha1()
|
|
ctx.update(message)
|
|
return ctx.hexdigest()
|
|
|
|
|
|
class MainDialog(Tkinter.Frame):
|
|
def __init__(self, root):
|
|
Tkinter.Frame.__init__(self, root, border=5)
|
|
self.root = root
|
|
self.interval = 2000
|
|
self.p2 = None
|
|
self.status = Tkinter.Label(self, text='Remove Encryption from Kindle for Mac Mobi eBook')
|
|
self.status.pack(fill=Tkconstants.X, expand=1)
|
|
body = Tkinter.Frame(self)
|
|
body.pack(fill=Tkconstants.X, expand=1)
|
|
sticky = Tkconstants.E + Tkconstants.W
|
|
body.grid_columnconfigure(1, weight=2)
|
|
|
|
Tkinter.Label(body, text='Locate your Kindle Applications').grid(row=0, sticky=Tkconstants.E)
|
|
self.k4mpath = Tkinter.Entry(body, width=50)
|
|
self.k4mpath.grid(row=0, column=1, sticky=sticky)
|
|
self.appname = '/Applications/Kindle for Mac.app'
|
|
if not os.path.exists(self.appname):
|
|
self.appname = '/Applications/Kindle.app'
|
|
cwd = self.appname
|
|
cwd = cwd.encode('utf-8')
|
|
self.k4mpath.insert(0, cwd)
|
|
button = Tkinter.Button(body, text="...", command=self.get_k4mpath)
|
|
button.grid(row=0, column=2)
|
|
|
|
Tkinter.Label(body, text='Directory for Unencrypted Output File').grid(row=1, sticky=Tkconstants.E)
|
|
self.outpath = Tkinter.Entry(body, width=50)
|
|
self.outpath.grid(row=1, column=1, sticky=sticky)
|
|
desktoppath = os.getenv('HOME') + '/Desktop/'
|
|
desktoppath = desktoppath.encode('utf-8')
|
|
self.outpath.insert(0, desktoppath)
|
|
button = Tkinter.Button(body, text="...", command=self.get_outpath)
|
|
button.grid(row=1, column=2)
|
|
|
|
msg1 = 'Conversion Log \n\n'
|
|
self.stext = ScrolledText(body, bd=5, relief=Tkconstants.RIDGE, height=15, width=60, wrap=Tkconstants.WORD)
|
|
self.stext.grid(row=3, column=0, columnspan=2,sticky=sticky)
|
|
self.stext.insert(Tkconstants.END,msg1)
|
|
|
|
buttons = Tkinter.Frame(self)
|
|
buttons.pack()
|
|
self.sbotton = Tkinter.Button(
|
|
buttons, text="Start", width=10, command=self.convertit)
|
|
self.sbotton.pack(side=Tkconstants.LEFT)
|
|
|
|
Tkinter.Frame(buttons, width=10).pack(side=Tkconstants.LEFT)
|
|
self.qbutton = Tkinter.Button(
|
|
buttons, text="Quit", width=10, command=self.quitting)
|
|
self.qbutton.pack(side=Tkconstants.RIGHT)
|
|
|
|
# read from subprocess pipe without blocking
|
|
# invoked every interval via the widget "after"
|
|
# option being used, so need to reset it for the next time
|
|
def processPipe(self):
|
|
poll = self.p2.wait('nowait')
|
|
if poll != None:
|
|
text = self.p2.readerr()
|
|
text += self.p2.read()
|
|
msg = text + '\n\n' + 'Encryption successfully removed\n'
|
|
if poll != 0:
|
|
msg = text + '\n\n' + 'Error: Encryption Removal Failed\n'
|
|
self.showCmdOutput(msg)
|
|
self.p2 = None
|
|
self.sbotton.configure(state='normal')
|
|
return
|
|
text = self.p2.readerr()
|
|
text += self.p2.read()
|
|
self.showCmdOutput(text)
|
|
# make sure we get invoked again by event loop after interval
|
|
self.stext.after(self.interval,self.processPipe)
|
|
return
|
|
|
|
# post output from subprocess in scrolled text widget
|
|
def showCmdOutput(self, msg):
|
|
if msg and msg !='':
|
|
msg = msg.encode('utf-8')
|
|
self.stext.insert(Tkconstants.END,msg)
|
|
self.stext.yview_pickplace(Tkconstants.END)
|
|
return
|
|
|
|
# run as a subprocess via pipes and collect stdout
|
|
def mobirdr(self, infile, outfile, pidnum):
|
|
cmdline = 'python ./lib/mobidedrm.py "' + infile + '" "' + outfile + '" "' + pidnum + '"'
|
|
cmdline = cmdline.encode(sys.getfilesystemencoding())
|
|
p2 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=PIPE, stderr=PIPE, close_fds=False)
|
|
return p2
|
|
|
|
def get_k4mpath(self):
|
|
k4mpath = tkFileDialog.askopenfilename(
|
|
parent=None, title='Select Your Kindle Application',
|
|
defaultextension='.app', filetypes=[('Kindle for Mac Application', '.app')])
|
|
|
|
if k4mpath:
|
|
k4mpath = os.path.normpath(k4mpath)
|
|
self.k4mpath.delete(0, Tkconstants.END)
|
|
self.k4mpath.insert(0, k4mpath)
|
|
return
|
|
|
|
def get_outpath(self):
|
|
cwd = os.getcwdu()
|
|
cwd = cwd.encode('utf-8')
|
|
outpath = tkFileDialog.askdirectory(
|
|
parent=None, title='Directory to Put Non-DRM eBook into',
|
|
initialdir=cwd, initialfile=None)
|
|
if outpath:
|
|
outpath = os.path.normpath(outpath)
|
|
self.outpath.delete(0, Tkconstants.END)
|
|
self.outpath.insert(0, outpath)
|
|
return
|
|
|
|
def quitting(self):
|
|
# kill any still running subprocess
|
|
if self.p2 != None:
|
|
if (self.p2.wait('nowait') == None):
|
|
self.p2.terminate()
|
|
self.root.destroy()
|
|
|
|
# run as a gdb subprocess via pipes and collect stdout
|
|
def gdbrdr(self, k4mappfile, gdbcmds):
|
|
cmdline = '/usr/bin/gdb -q -silent -readnow -batch -x ' + gdbcmds + ' "' + k4mappfile + '"'
|
|
cmdline = cmdline.encode(sys.getfilesystemencoding())
|
|
p3 = Process(cmdline, shell=True, bufsize=1, stdin=None, stdout=PIPE, stderr=PIPE, close_fds=False)
|
|
poll = p3.wait('wait')
|
|
results = p3.read()
|
|
pidnum = 'NOTAPID+'
|
|
topazbook = 0
|
|
bookpath = 'book not found'
|
|
# parse the gdb results to get the last pid and the last azw/prc file name in the gdb listing
|
|
reslst = results.split('\n')
|
|
cnt = len(reslst)
|
|
for j in xrange(cnt):
|
|
resline = reslst[j]
|
|
pp = resline.find('PID is ')
|
|
if pp == 0:
|
|
pidnum = resline[7:]
|
|
topazbook = 0
|
|
if pp > 0:
|
|
pidnum = resline[13:]
|
|
topazbook = 1
|
|
fp = resline.find('File is ')
|
|
if fp >= 0:
|
|
tp1 = resline.find('.azw')
|
|
tp2 = resline.find('.prc')
|
|
tp3 = resline.find('.mbp')
|
|
if tp1 >= 0 or tp2 >= 0:
|
|
bookpath = resline[8:]
|
|
if tp3 >= 0 and topazbook == 1:
|
|
bookpath = resline[8:-3]
|
|
bookpath += 'azw'
|
|
# put code here to get pid and file name
|
|
return pidnum, bookpath, topazbook
|
|
|
|
# convert from 8 digit PID to proper 10 digit PID
|
|
def checksumPid(self, s):
|
|
letters = "ABCDEFGHIJKLMNPQRSTUVWXYZ123456789"
|
|
crc = (~binascii.crc32(s,-1))&0xFFFFFFFF
|
|
crc = crc ^ (crc >> 16)
|
|
res = s
|
|
l = len(letters)
|
|
for i in (0,1):
|
|
b = crc & 0xff
|
|
pos = (b // l) ^ (b % l)
|
|
res += letters[pos%l]
|
|
crc >>= 8
|
|
return res
|
|
|
|
# start the process
|
|
def convertit(self):
|
|
# dictionary of all known Kindle for Mac Binaries
|
|
sha1_app_digests = {
|
|
'e197ed2171ceb44a35c24bd30263b7253331694f' : 'gdb_kindle_cmds_r1.txt',
|
|
'4f702436171f84acc13bdf9f94fae91525aecef5' : 'gdb_kindle_cmds_r2.txt',
|
|
'4981b7eb37ccf0b8f63f56e8024b5ab593e8a97c' : 'gdb_kindle_cmds_r3.txt',
|
|
'82909f0545688f09343e2c8fd8521eeee37d2de6' : 'gdb_kindle_cmds_r4.txt',
|
|
'e260e3515cd525cd085c70baa6e42e08079edbcd' : 'gdb_kindle_cmds_r4.txt',
|
|
'no_sha1_digest_key_here_________________' : 'no_gdb_kindle_cmds.txt',
|
|
}
|
|
# now disable the button to prevent multiple launches
|
|
self.sbotton.configure(state='disabled')
|
|
|
|
k4mpath = self.k4mpath.get()
|
|
outpath = self.outpath.get()
|
|
|
|
# basic error checking
|
|
if not k4mpath or not os.path.exists(k4mpath):
|
|
self.status['text'] = 'Error: Specified Kindle for Mac Application does not exist'
|
|
self.sbotton.configure(state='normal')
|
|
return
|
|
if not outpath:
|
|
self.status['text'] = 'Error: No output directory specified'
|
|
self.sbotton.configure(state='normal')
|
|
return
|
|
if not os.path.isdir(outpath):
|
|
self.status['text'] = 'Error specified outputdirectory does not exist'
|
|
self.sbotton.configure(state='normal')
|
|
return
|
|
if not os.path.isfile('/usr/bin/gdb'):
|
|
self.status['text'] = 'Error: gdb does not exist, install the XCode Develoepr Tools'
|
|
self.sbotton.configure(state='normal')
|
|
return
|
|
|
|
|
|
# now check if the K4M app binary is known and if so which gdbcmds to use
|
|
binary_app_file = k4mpath + '/Contents/MacOS/Kindle for Mac'
|
|
if not os.path.exists(binary_app_file):
|
|
binary_app_file = k4mpath + '/Contents/MacOS/Kindle'
|
|
|
|
k4mpath = binary_app_file
|
|
|
|
digest = SHA1(file(binary_app_file, 'rb').read())
|
|
|
|
# print digest
|
|
gdbcmds = None
|
|
if digest in sha1_app_digests:
|
|
gdbcmds = sha1_app_digests[digest]
|
|
else :
|
|
self.status['text'] = 'Error: Kindle Application does not match any known version, sha1sum is ' + digest
|
|
self.sbotton.configure(state='normal')
|
|
return
|
|
|
|
# run Kindle for Mac in gdb to get what we need
|
|
(pidnum, bookpath, topazbook) = self.gdbrdr(k4mpath, gdbcmds)
|
|
|
|
if topazbook == 1:
|
|
log = 'Warning: ' + bookpath + ' is a Topaz book\n'
|
|
log += '\n\n'
|
|
log += 'To convert this book please use the Topaz Tools\n'
|
|
log += 'With the 8 digit PID: "' + pidnum + '"\n'
|
|
log += '\n\n'
|
|
log = log.encode('utf-8')
|
|
self.stext.insert(Tkconstants.END,log)
|
|
self.sbotton.configure(state='normal')
|
|
return
|
|
|
|
pidnum = self.checksumPid(pidnum)
|
|
|
|
# default output file name to be input file name + '_nodrm.mobi'
|
|
initname = os.path.splitext(os.path.basename(bookpath))[0]
|
|
initname += '_nodrm.mobi'
|
|
outpath += '/' + initname
|
|
|
|
log = 'Command = "python mobidedrm.py"\n'
|
|
log += 'Mobi Path = "'+ bookpath + '"\n'
|
|
log += 'Output file = "' + outpath + '"\n'
|
|
log += 'PID = "' + pidnum + '"\n'
|
|
log += '\n\n'
|
|
log += 'Please Wait ...\n\n'
|
|
log = log.encode('utf-8')
|
|
self.stext.insert(Tkconstants.END,log)
|
|
self.p2 = self.mobirdr(bookpath, outpath, pidnum)
|
|
|
|
# python does not seem to allow you to create
|
|
# your own eventloop which every other gui does - strange
|
|
# so need to use the widget "after" command to force
|
|
# event loop to run non-gui events every interval
|
|
self.stext.after(self.interval,self.processPipe)
|
|
return
|
|
|
|
|
|
def main(argv=None):
|
|
root = Tkinter.Tk()
|
|
root.title('Kindle for Mac eBook Encryption Removal')
|
|
root.resizable(True, False)
|
|
root.minsize(300, 0)
|
|
MainDialog(root).pack(fill=Tkconstants.X, expand=1)
|
|
root.mainloop()
|
|
return 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|