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