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DeDRM_tools/DeDRM_plugin/ignoblekeyfetch.py

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Python
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# ignoblekeyfetch.py
# Copyright © 2015-2020 Apprentice Harper et al.
# Released under the terms of the GNU General Public Licence, version 3
# <http://www.gnu.org/licenses/>
# Based on discoveries by "Nobody You Know"
# Code partly based on ignoblekeygen.py by several people.
# Windows users: Before running this program, you must first install Python.
# We recommend ActiveState Python 2.7.X for Windows from
# http://www.activestate.com/activepython/downloads.
# Then save this script file as ignoblekeyfetch.pyw and double-click on it to run it.
#
# Mac OS X users: Save this script file as ignoblekeyfetch.pyw. You can run this
# program from the command line (python ignoblekeyfetch.pyw) or by double-clicking
# it when it has been associated with PythonLauncher.
# Revision history:
# 1.0 - Initial version
# 1.1 - Try second URL if first one fails
# 2.0 - Python 3 for calibre 5.0
"""
Fetch Barnes & Noble EPUB user key from B&N servers using email and password
"""
__license__ = 'GPL v3'
__version__ = "2.0"
import sys
import os
# 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, str):
data = data.encode(self.encoding,"replace")
self.stream.buffer.write(data)
self.stream.buffer.flush()
def __getattr__(self, attr):
return getattr(self.stream, attr)
try:
from calibre.constants import iswindows, isosx
except:
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 '?'. So use shell32.GetCommandLineArgvW to get sys.argv
# as a list of Unicode strings and encode them as utf-8
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
range(start, argc.value)]
# if we don't have any arguments at all, just pass back script name
# this should never happen
return ["ignoblekeyfetch.py"]
else:
argvencoding = sys.stdin.encoding or "utf-8"
return [arg if isinstance(arg, str) else str(arg, argvencoding) for arg in sys.argv]
class IGNOBLEError(Exception):
pass
def fetch_key(email, password):
# change email and password to utf-8 if unicode
if type(email)==str:
email = email.encode('utf-8')
if type(password)==str:
password = password.encode('utf-8')
import random
random = "%030x" % random.randrange(16**30)
import urllib.parse, urllib.request, re
# try the URL from nook for PC
fetch_url = "https://cart4.barnesandnoble.com/services/service.aspx?Version=2&acctPassword="
fetch_url += urllib.parse.quote(password,'')+"&devID=PC_BN_2.5.6.9575_"+random+"&emailAddress="
fetch_url += urllib.parse.quote(email,"")+"&outFormat=5&schema=1&service=1&stage=deviceHashB"
#print fetch_url
found = ''
try:
response = urllib.request.urlopen(fetch_url)
the_page = response.read()
#print the_page
found = re.search('ccHash>(.+?)</ccHash', the_page).group(1)
except:
found = ''
if len(found)!=28:
# try the URL from android devices
fetch_url = "https://cart4.barnesandnoble.com/services/service.aspx?Version=2&acctPassword="
fetch_url += urllib.parse.quote(password,'')+"&devID=hobbes_9.3.50818_"+random+"&emailAddress="
fetch_url += urllib.parse.quote(email,"")+"&outFormat=5&schema=1&service=1&stage=deviceHashB"
#print fetch_url
found = ''
try:
response = urllib.request.urlopen(fetch_url)
the_page = response.read()
#print the_page
found = re.search('ccHash>(.+?)</ccHash', the_page).group(1)
except:
found = ''
return found
def cli_main():
sys.stdout=SafeUnbuffered(sys.stdout)
sys.stderr=SafeUnbuffered(sys.stderr)
argv=unicode_argv()
progname = os.path.basename(argv[0])
if len(argv) != 4:
print("usage: {0} <email> <password> <keyfileout.b64>".format(progname))
return 1
email, password, keypath = argv[1:]
userkey = fetch_key(email, password)
if len(userkey) == 28:
open(keypath,'wb').write(userkey)
return 0
print("Failed to fetch key.")
return 1
def gui_main():
try:
import tkinter
import tkinter.filedialog
import tkinter.constants
import tkinter.messagebox
import traceback
except:
return cli_main()
class DecryptionDialog(tkinter.Frame):
def __init__(self, root):
tkinter.Frame.__init__(self, root, border=5)
self.status = tkinter.Label(self, text="Enter parameters")
self.status.pack(fill=tkinter.constants.X, expand=1)
body = tkinter.Frame(self)
body.pack(fill=tkinter.constants.X, expand=1)
sticky = tkinter.constants.E + tkinter.constants.W
body.grid_columnconfigure(1, weight=2)
tkinter.Label(body, text="Account email address").grid(row=0)
self.name = tkinter.Entry(body, width=40)
self.name.grid(row=0, column=1, sticky=sticky)
tkinter.Label(body, text="Account password").grid(row=1)
self.ccn = tkinter.Entry(body, width=40)
self.ccn.grid(row=1, column=1, sticky=sticky)
tkinter.Label(body, text="Output file").grid(row=2)
self.keypath = tkinter.Entry(body, width=40)
self.keypath.grid(row=2, column=1, sticky=sticky)
self.keypath.insert(2, "bnepubkey.b64")
button = tkinter.Button(body, text="...", command=self.get_keypath)
button.grid(row=2, column=2)
buttons = tkinter.Frame(self)
buttons.pack()
botton = tkinter.Button(
buttons, text="Fetch", width=10, command=self.generate)
botton.pack(side=tkinter.constants.LEFT)
tkinter.Frame(buttons, width=10).pack(side=tkinter.constants.LEFT)
button = tkinter.Button(
buttons, text="Quit", width=10, command=self.quit)
button.pack(side=tkinter.constants.RIGHT)
def get_keypath(self):
keypath = tkinter.filedialog.asksaveasfilename(
parent=None, title="Select B&N ePub key file to produce",
defaultextension=".b64",
filetypes=[('base64-encoded files', '.b64'),
('All Files', '.*')])
if keypath:
keypath = os.path.normpath(keypath)
self.keypath.delete(0, tkinter.constants.END)
self.keypath.insert(0, keypath)
return
def generate(self):
email = self.name.get()
password = self.ccn.get()
keypath = self.keypath.get()
if not email:
self.status['text'] = "Email address not given"
return
if not password:
self.status['text'] = "Account password not given"
return
if not keypath:
self.status['text'] = "Output keyfile path not set"
return
self.status['text'] = "Fetching..."
try:
userkey = fetch_key(email, password)
except Exception as e:
self.status['text'] = "Error: {0}".format(e.args[0])
return
if len(userkey) == 28:
open(keypath,'wb').write(userkey)
self.status['text'] = "Keyfile fetched successfully"
else:
self.status['text'] = "Keyfile fetch failed."
root = tkinter.Tk()
root.title("Barnes & Noble ePub Keyfile Fetch v.{0}".format(__version__))
root.resizable(True, False)
root.minsize(300, 0)
DecryptionDialog(root).pack(fill=tkinter.constants.X, expand=1)
root.mainloop()
return 0
if __name__ == '__main__':
if len(sys.argv) > 1:
sys.exit(cli_main())
sys.exit(gui_main())
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