mirror of
https://github.com/noDRM/DeDRM_tools.git
synced 2024-11-05 13:36:10 +06:00
72 lines
2.8 KiB
Python
72 lines
2.8 KiB
Python
# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
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__license__ = 'GPL v3'
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__docformat__ = 'restructuredtext en'
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import os, sys
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import binascii, hashlib, re, string
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class legacy_obok(object):
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def __init__(self):
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self._userkey = ''
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@property
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def get_legacy_cookie_id(self):
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if self._userkey != '':
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return self._userkey
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self._userkey = self.__oldcookiedeviceid()
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return self._userkey
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def __bytearraytostring(self, bytearr):
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wincheck = re.match('@ByteArray\\((.+)\\)', bytearr)
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if wincheck:
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return wincheck.group(1)
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return bytearr
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def plist_to_dictionary(self, filename):
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from subprocess import Popen, PIPE
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from plistlib import readPlistFromString
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'Pipe the binary plist through plutil and parse the xml output'
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with open(filename, 'rb') as f:
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content = f.read()
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args = ['plutil', '-convert', 'xml1', '-o', '-', '--', '-']
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p = Popen(args, stdin=PIPE, stdout=PIPE)
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p.stdin.write(content)
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out, err = p.communicate()
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return readPlistFromString(out)
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def __oldcookiedeviceid(self):
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'''Optionally attempt to get a device id using the old cookie method.
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Must have _winreg installed on Windows machines for successful key retrieval.'''
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wsuid = ''
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pwsdid = ''
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try:
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if sys.platform.startswith('win'):
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import _winreg
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regkey_browser = _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, 'Software\\Kobo\\Kobo Desktop Edition\\Browser')
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cookies = _winreg.QueryValueEx(regkey_browser, 'cookies')
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bytearrays = cookies[0]
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elif sys.platform.startswith('darwin'):
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prefs = os.path.join(os.environ['HOME'], 'Library/Preferences/com.kobo.Kobo Desktop Edition.plist')
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cookies = self.plist_to_dictionary(prefs)
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bytearrays = cookies['Browser.cookies']
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for bytearr in bytearrays:
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cookie = self.__bytearraytostring(bytearr)
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wsuidcheck = re.match("^wsuid=([0-9a-f-]+)", cookie)
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if(wsuidcheck):
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wsuid = wsuidcheck.group(1)
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pwsdidcheck = re.match('^pwsdid=([0-9a-f-]+)', cookie)
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if (pwsdidcheck):
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pwsdid = pwsdidcheck.group(1)
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if (wsuid == '' or pwsdid == ''):
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return None
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preuserkey = string.join((pwsdid, wsuid), '')
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userkey = hashlib.sha256(preuserkey).hexdigest()
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return binascii.a2b_hex(userkey[32:])
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except KeyError:
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print ('No "cookies" key found in Kobo plist: no legacy user key found.')
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return None
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except:
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print ('Error parsing Kobo plist: no legacy user key found.')
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return None
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