def OTP_synchronous_generator(license_id, downloader, username, phone, expDate,
random_code):
# Static random (6 digits) lay tu database
static_random = 'asfb86'
expDate = expDate.strftime('%Y%m%d%H%M%S%f')
hash_value = hash_generator(license_id + downloader, username + phone,
expDate + static_random)
hash_value_base32 = b32encode(hash_value.encode('ascii'))
hotp = HOTP(hash_value_base32)
OTP_value = hotp.at(int(random_code))
return OTP_value
class TwoFactorCode:
def __init__(self, name, issuer, codetype, codestr, counter, pos, ui,
imagedata):
# generate the uuid used as the dict key later
# we want this to be a string
self.uuid = uuid4().__str__()
# grab values from call
self.name = name
self.issuer = issuer
self.codetype = codetype
self.codestr = codestr
self.ui = ui
self.counter = counter
self.imagedata = imagedata
self.pos = pos
# check code type, make code object for type,
# or throw exception if not recognized
if codetype == 'totp':
self.code = TOTP(self.codestr)
self.curcode = self.code.now()
elif codetype == 'hotp':
self.code = HOTP(self.codestr)
self.curcode = self.code.at(self.counter)
else:
raise TypeError('codetype was not hotp or totp')
def set_counter(self, value):
# set the counter to a specified value
if self.counter is not None:
self.counter = value.__int__()
def get_current_code(self):
# return current code (plaintext)
if self.codetype == 'totp':
return self.code.now().__str__()
elif self.codetype == 'hotp':
return self.code.at(self.counter).__str__()
def OTP_generator():
# Lay sessionID cua user
session_id = 'abacavasdf'
base32secret = random_base32()
hotp = HOTP(base32secret)
counter = random_digit()
OTP_value = hotp.at(counter)
time_create = datetime.now().strftime('%Y%m%d%H%M%S%f')
# Tao data cho file json
dict = {
session_id: counter,
'base32secret': base32secret,
'time_create': time_create
}
# Neu file ton tai va khac rong
if not path.isfile('./OTP.json') or read_file('./OTP.json') == b'':
generate_json_file('./OTP.json', 'OTP', dict)
else:
append_json_file('./OTP.json', 'OTP', dict, session_id)
print(OTP_value)
return OTP_value
def OTP_generator(request):
# Lay sessionID cua user
# a = ShareFile.objects.latest('date_create')
a = request.session
session_id = a.session_key
base32secret = random_base32()
hotp = HOTP(base32secret)
counter = random_digit()
OTP_value = hotp.at(counter)
time_create = datetime.now().strftime('%Y%m%d%H%M%S%f')
# Tao data cho file json
dict = {
session_id: counter,
'base32secret': base32secret,
'time_create': time_create
}
# Neu file ton tai va khac rong
if file_is_not_existed('./OTP.json'):
generate_json_file('./OTP.json', 'OTP', dict)
else:
append_json_file('./OTP.json', 'OTP', dict, session_id)
return OTP_value