# -*- coding: utf-8 -*-
#
# License: AGPLv3
# This file is part of eduMFA. eduMFA is a fork of privacyIDEA which was forked from LinOTP.
# Copyright (c) 2024 eduMFA Project-Team
# Previous authors by privacyIDEA project:
#
# 2018 Michael Becker <michael.becker@hs-niederrhein.de>
# 2014 - 2022 Cornelius Kölbel <cornelius.koelbel@netknights.it>
#
# Copyright (C) 2010 - 2014 LSE Leading Security Experts GmbH
# contact: http://www.linotp.org
# http://www.lsexperts.de
# linotp@lsexperts.de
#
# This code is free software; you can redistribute it and/or
# modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
# License as published by the Free Software Foundation; either
# version 3 of the License, or any later version.
#
# This code is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU AFFERO GENERAL PUBLIC LICENSE for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program. If not, see <http://www.gnu.org/licenses/>.
#
__doc__ = """
This is the HOTP implementation.
It is inherited from lib.tokenclass and is thus dependent on models.py
This code is tested in tests/test_lib_tokens_hotp
"""
import binascii
import logging
import time
import traceback
from passlib.crypto.digest import pbkdf2_hmac
from edumfa.api.lib.policyhelper import get_init_tokenlabel_parameters
from edumfa.api.lib.utils import getParam
from edumfa.lib import _
from edumfa.lib.apps import create_google_authenticator_url as cr_google
from edumfa.lib.apps import create_oathtoken_url as cr_oath
from edumfa.lib.config import get_from_config
from edumfa.lib.decorators import check_token_locked
from edumfa.lib.error import ParameterError
from edumfa.lib.log import log_with
from edumfa.lib.policy import ACTION, GROUP, SCOPE, Match
from edumfa.lib.token import init_token
from edumfa.lib.tokenclass import (
CLIENTMODE,
ROLLOUTSTATE,
TOKENKIND,
TWOSTEP_DEFAULT_CLIENTSIZE,
TWOSTEP_DEFAULT_DIFFICULTY,
TokenClass,
)
from edumfa.lib.utils import (
b32encode_and_unicode,
create_img,
determine_logged_in_userparams,
hexlify_and_unicode,
is_true,
)
from .HMAC import HmacOtp
optional = True
required = False
log = logging.getLogger(__name__)
keylen = {"sha1": 20, "sha256": 32, "sha512": 64}
[docs]
class HotpTokenClass(TokenClass):
"""
hotp token class implementation
"""
previous_otp_offset = 1
# The HOTP token provides means to verify the enrollment
can_verify_enrollment = True
# If the token is enrollable via multichallenge
is_multichallenge_enrollable = True
desc_hash_func = _(
"Specify the hashing function to be used. Can be SHA1, SHA256 or SHA512."
)
desc_otp_len = _("Specify the OTP length to be used. Can be 6 or 8 digits.")
desc_key_gen = _("Force the key to be generated on the server.")
desc_two_step_user = _(
"Specify whether users are allowed or forced to use two-step enrollment."
)
desc_two_step_admin = _(
"Specify whether admins are allowed or forced to use two-step enrollment."
)
verify_enrollment_message = _("Please enter a valid OTP value of the new token.")
[docs]
@staticmethod
def get_class_type():
"""
return the token type shortname
:return: 'hotp'
:rtype: string
"""
return "hotp"
[docs]
@staticmethod
def get_class_prefix():
"""
Return the prefix, that is used as a prefix for the serial numbers.
:return: oath
"""
return "OATH"
[docs]
@staticmethod
@log_with(log)
def get_class_info(key=None, ret="all"):
"""
returns a subtree of the token definition
Is used by lib.token.get_token_info
:param key: subsection identifier
:type key: string
:param ret: default return value, if nothing is found
:type ret: user defined
:return: subsection if key exists or user defined
:rtype: dict
"""
res = {
"type": "hotp",
"title": "HOTP Event Token",
"description": _("HOTP: Event based One Time Passwords."),
"user": ["enroll"],
# This tokentype is enrollable in the UI for...
"ui_enroll": ["admin", "user"],
"policy": {
SCOPE.ENROLL: {
ACTION.MAXTOKENUSER: {
"type": "int",
"desc": _(
"The user may only have this maximum number of HOTP tokens assigned."
),
"group": GROUP.TOKEN,
},
ACTION.MAXACTIVETOKENUSER: {
"type": "int",
"desc": _(
"The user may only have this maximum number of active HOTP tokens assigned."
),
"group": GROUP.TOKEN,
},
"hotp_2step_clientsize": {
"type": "int",
"desc": _(
"The size of the OTP seed part contributed "
"by the client (in bytes)"
),
},
"hotp_2step_serversize": {
"type": "int",
"desc": _(
"The size of the OTP seed part contributed "
"by the server (in bytes)"
),
},
"hotp_2step_difficulty": {
"type": "int",
"desc": _(
"The difficulty factor used for the OTP "
"seed generation (should be at least 10000)"
),
},
"hotp_" + ACTION.FORCE_APP_PIN: {
"type": "bool",
"desc": _(
"Enforce setting an app pin for the privacyIDEA "
"Authenticator App"
),
},
},
SCOPE.USER: {
"hotp_hashlib": {
"type": "str",
"value": ["sha1", "sha256", "sha512"],
"desc": HotpTokenClass.desc_hash_func,
},
"hotp_otplen": {
"type": "int",
"value": [6, 8],
"desc": HotpTokenClass.desc_otp_len,
},
"hotp_force_server_generate": {
"type": "bool",
"desc": HotpTokenClass.desc_key_gen,
},
"hotp_2step": {
"type": "str",
"value": ["allow", "force"],
"desc": HotpTokenClass.desc_two_step_user,
},
},
SCOPE.ADMIN: {
"hotp_hashlib": {
"type": "str",
"value": ["sha1", "sha256", "sha512"],
"desc": HotpTokenClass.desc_hash_func,
},
"hotp_otplen": {
"type": "int",
"value": [6, 8],
"desc": HotpTokenClass.desc_otp_len,
},
"hotp_2step": {
"type": "str",
"value": ["allow", "force"],
"desc": HotpTokenClass.desc_two_step_admin,
},
},
},
}
if key:
ret = res.get(key, {})
else:
if ret == "all":
ret = res
return ret
@log_with(log)
def __init__(self, db_token):
"""
Create a new HOTP Token object
:param db_token: instance of the orm db object
:type db_token: DB object
"""
TokenClass.__init__(self, db_token)
self.set_type("hotp")
self.hKeyRequired = True
self.currently_in_challenge = False
[docs]
@log_with(log)
def get_init_detail(self, params=None, user=None):
"""
to complete the token initialization some additional details
should be returned, which are displayed at the end of
the token initialization.
This is the e.g. the enrollment URL for a Google Authenticator.
"""
response_detail = TokenClass.get_init_detail(self, params, user)
params = params or {}
tokenlabel = params.get("tokenlabel", "<s>")
tokenissuer = params.get("tokenissuer", "eduMFA")
# If the init_details contain an OTP key the OTP key
# should be displayed as an enrollment URL
otpkey = self.init_details.get("otpkey")
# Add rollout state the response
response_detail["rollout_state"] = self.token.rollout_state
# Add two-step initialization parameters to response and QR code
extra_data = {}
if is_true(params.get("2stepinit")):
twostep_parameters = self._get_twostep_parameters()
extra_data.update(twostep_parameters)
response_detail.update(twostep_parameters)
imageurl = params.get("appimageurl")
if imageurl:
extra_data.update({"image": imageurl})
force_app_pin = params.get(ACTION.FORCE_APP_PIN)
if force_app_pin:
extra_data.update({"pin": True})
if otpkey:
tok_type = self.type.lower()
if user is not None:
try:
key_bin = binascii.unhexlify(otpkey)
# also strip the padding =, as it will get problems with the google app.
value_b32_str = b32encode_and_unicode(key_bin).strip("=")
response_detail["otpkey"]["value_b32"] = value_b32_str
goo_url = cr_google(
key=otpkey,
user=user.login,
realm=user.realm,
tokentype=tok_type.lower(),
serial=self.get_serial(),
tokenlabel=tokenlabel,
hash_algo=params.get("hashlib", "sha1"),
digits=params.get("otplen", 6),
period=params.get("timeStep", 30),
issuer=tokenissuer,
user_obj=user,
extra_data=extra_data,
)
response_detail["googleurl"] = {
"description": _("URL for google Authenticator"),
"value": goo_url,
"img": create_img(goo_url),
}
oath_url = cr_oath(
otpkey=otpkey,
user=user.login,
realm=user.realm,
type=tok_type,
serial=self.get_serial(),
tokenlabel=tokenlabel,
extra_data=extra_data,
)
response_detail["oathurl"] = {
"description": _("URL for OATH token"),
"value": oath_url,
"img": create_img(oath_url),
}
except Exception as ex: # pragma: no cover
log.error("{0!s}".format((traceback.format_exc())))
log.error("failed to set oath or google url: {0!r}".format(ex))
return response_detail
def _get_twostep_parameters(self):
"""
:return: A dictionary with the keys ``2step_salt``,
``2step_difficulty``, ``2step_output``, mapping each key to an integer.
"""
return {
"2step_salt": int(self.get_tokeninfo("2step_clientsize")),
"2step_output": int(keylen[self.hashlib]),
"2step_difficulty": int(self.get_tokeninfo("2step_difficulty")),
}
[docs]
@log_with(log)
def update(self, param, reset_failcount=True):
"""
process the initialization parameters
Do we really always need an otpkey?
the otpKey is handled in the parent class
:param param: dict of initialization parameters
:type param: dict
:return: nothing
"""
# In case am Immutable MultiDict:
upd_param = {}
for k, v in param.items():
upd_param[k] = v
# Special handling of 2-step enrollment
if is_true(getParam(param, "2stepinit", optional)):
# Use the 2step_serversize setting for the size of the server secret
# (if it is set)
if "2step_serversize" in upd_param:
upd_param["keysize"] = int(
getParam(upd_param, "2step_serversize", required)
)
# Add twostep settings to the tokeninfo
for key, default in [
("2step_difficulty", TWOSTEP_DEFAULT_DIFFICULTY),
("2step_clientsize", TWOSTEP_DEFAULT_CLIENTSIZE),
]:
self.add_tokeninfo(key, getParam(param, key, optional, default))
val = getParam(upd_param, "hashlib", optional)
if val is not None:
hashlibStr = val
else:
hashlibStr = self.hashlib
# check if the key_size is provided
# if not, we could derive it from the hashlib
key_size = getParam(upd_param, "key_size", optional) or getParam(
upd_param, "keysize", optional
)
if key_size is None:
upd_param["keysize"] = keylen.get(hashlibStr)
otpKey = getParam(upd_param, "otpkey", optional)
genkey = is_true(getParam(upd_param, "genkey", optional))
if genkey and otpKey:
# The Base TokenClass does not allow otpkey and genkey at the
# same time
del upd_param["otpkey"]
upd_param["hashlib"] = hashlibStr
# We first need to call the parent class. Since exceptions would be
# raised here.
TokenClass.update(self, upd_param, reset_failcount)
self.add_tokeninfo("hashlib", hashlibStr)
# check the tokenkind
if self.token.serial.startswith("UB"):
self.add_tokeninfo("tokenkind", TOKENKIND.HARDWARE)
@property
def hashlib(self):
hashlibStr = self.get_tokeninfo("hashlib") or get_from_config(
"hotp.hashlib", "sha1"
)
return hashlibStr
def _calc_otp(self, counter):
"""
Helper function to calculate the OTP value for the given counter
:param counter: The OTP counter
:return: OTP value as string
"""
otplen = int(self.token.otplen)
secretHOtp = self.token.get_otpkey()
hmac2Otp = HmacOtp(
secretHOtp, self.get_otp_count(), otplen, self.get_hashlib(self.hashlib)
)
otpval = hmac2Otp.generate(
counter=counter, inc_counter=False, do_truncation=True
)
return otpval
[docs]
@log_with(log)
@check_token_locked
def check_otp(self, anOtpVal, counter=None, window=None, options=None):
"""
check if the given OTP value is valid for this token.
:param anOtpVal: the to be verified otpvalue
:type anOtpVal: string
:param counter: the counter state, that should be verified
:type counter: int
:param window: the counter +window, which should be checked
:type window: int
:param options: the dict, which could contain token specific info
:type options: dict
:return: the counter state or -1
:rtype: int
"""
otplen = int(self.token.otplen)
secretHOtp = self.token.get_otpkey()
if counter is None:
counter = int(self.get_otp_count())
if window is None:
window = int(self.get_count_window())
hmac2Otp = HmacOtp(secretHOtp, counter, otplen, self.get_hashlib(self.hashlib))
res = hmac2Otp.checkOtp(anOtpVal, window)
if res == -1:
res = self._autosync(hmac2Otp, anOtpVal)
if res != -1:
# on success, we save the counter
self.set_otp_count(res + 1)
# We could also store it temporarily
# self.auth_details["matched_otp_counter"] = res
return res
[docs]
@log_with(log)
def check_otp_exist(self, otp, window=10, symetric=False, inc_counter=True):
"""
checks if the given OTP value is/are values of this very token.
This is used to autoassign and to determine the serial number of
a token.
:param otp: the to be verified otp value
:type otp: string
:param window: the lookahead window for the counter
:type window: int
:return: counter or -1 if otp does not exist
:rtype: int
"""
res = -1
otplen = int(self.token.otplen)
counter = int(self.token.count)
secretHOtp = self.token.get_otpkey()
hmac2Otp = HmacOtp(secretHOtp, counter, otplen, self.get_hashlib(self.hashlib))
res = hmac2Otp.checkOtp(otp, window, symetric=symetric)
if inc_counter and res >= 0:
# As usually the counter is increased in lib.token.checkUserPass,
# we need to do this manually here:
self.inc_otp_counter(res)
if res == -1:
msg = "otp counter {0!r} was not found".format(otp)
else:
msg = "otp counter {0!r} was found".format(otp)
log.debug("end. {0!r}: res {1!r}".format(msg, res))
return res
[docs]
@log_with(log)
def is_previous_otp(self, otp):
"""
Check if the OTP values was previously used.
:param otp:
:param window:
:return:
"""
counter = int(self.get_otp_count())
if counter > 0:
previous_otp = self._calc_otp(counter - self.previous_otp_offset)
res = previous_otp == otp
if res:
log.info(
"Previous OTP used again. Serial {0!s} with counter {1!s}.".format(
self.token.serial, counter
)
)
return res
else:
# The internal counter is 0, the token was not used, yet.
return False
@log_with(log)
def _autosync(self, hmac2Otp, anOtpVal):
"""
automatically sync the token based on two otp values
internal method to implement the _autosync within the
checkOtp method.
:param hmac2Otp: the hmac object (with reference to the token secret)
:type hmac2Otp: hmac object
:param anOtpVal: the actual otp value
:type anOtpVal: string
:return: counter or -1 if otp does not exist
:rtype: int
"""
res = -1
# get _autosync from config or use False as default
autosync = get_from_config("AutoResync", False, return_bool=True)
# if _autosync is not enabled
if autosync is False:
log.debug("end. _autosync is not enabled : res {0!r}".format((res)))
return res
info = self.get_tokeninfo()
syncWindow = self.get_sync_window()
# check if the otpval is valid in the sync scope
res = hmac2Otp.checkOtp(anOtpVal, syncWindow)
# If the otpval is valid in the big sync scope, we
# either store the value in the tokeninfo
# or see if already another value exists.
if res != -1:
# if former is defined
if "otp1c" in info:
# check if this is consecutive
otp1c = int(info.get("otp1c"))
otp2c = res
if (otp1c + 1) != otp2c:
res = -1
if "dueDate" in info:
dueDate = int(info.get("dueDate"))
now = int(time.time())
if dueDate <= now:
res = -1
else:
# if by any reason the dueDate is missing!
res = -1 # pragma: no cover
# now clean the resync data
self.del_tokeninfo("dueDate")
self.del_tokeninfo("otp1c")
else:
self.add_tokeninfo("otp1c", res)
self.add_tokeninfo(
"dueDate", int(time.time()) + self.get_sync_timeout()
)
res = -1
return res
[docs]
@log_with(log)
def resync(self, otp1, otp2, options=None):
"""
resync the token based on two otp values
:param otp1: the first otp value
:type otp1: string
:param otp2: the second otp value
:type otp2: string
:param options: optional token specific parameters
:type options: dict or None
:return: counter or -1 if otp does not exist
:rtype: int
"""
ret = False
otplen = int(self.token.otplen)
secretHOtp = self.token.get_otpkey()
counter = self.token.count
syncWindow = self.get_sync_window()
# log.debug("serial: %s",serialNum)
hmac2Otp = HmacOtp(secretHOtp, counter, otplen, self.get_hashlib(self.hashlib))
counter = hmac2Otp.checkOtp(otp1, syncWindow)
if counter == -1:
log.debug("exit. First counter (-1) not found ret: {0!r}".format((ret)))
return ret
nextOtp = hmac2Otp.generate(counter + 1)
if nextOtp != otp2:
log.debug(
"exit. Failed to verify second otp: nextOtp: "
"%r != otp2: %r ret: %r" % (nextOtp, otp2, ret)
)
return ret
ret = True
self.inc_otp_counter(counter + 1, reset=True)
log.debug("end. resync was successful: ret: {0!r}".format((ret)))
return ret
[docs]
@staticmethod
def get_sync_timeout():
"""
get the token sync timeout value
:return: timeout value in seconds
:rtype: int
"""
try:
timeOut = int(get_from_config("AutoResyncTimeout", 5 * 60))
except Exception as ex:
log.warning(
"AutoResyncTimeout: value error {0!r} - reset to 5*60".format((ex))
)
timeOut = 5 * 60
return timeOut
[docs]
@log_with(log)
def get_otp(self, current_time=None):
"""
return the next otp value
:param curTime: Not Used in HOTP
:return: next otp value and PIN if possible
:rtype: tuple
"""
otplen = int(self.token.otplen)
secretHOtp = self.token.get_otpkey()
hmac2Otp = HmacOtp(
secretHOtp, self.token.count, otplen, self.get_hashlib(self.hashlib)
)
otpval = hmac2Otp.generate(inc_counter=False)
pin = self.token.get_pin()
if get_from_config("PrependPin") == "True":
combined = "{0!s}{1!s}".format(pin, otpval)
else:
combined = "{0!s}{1!s}".format(otpval, pin)
return 1, pin, otpval, combined
[docs]
@log_with(log)
def get_multi_otp(
self,
count=0,
epoch_start=0,
epoch_end=0,
curTime=None,
timestamp=None,
counter_index=False,
):
"""
return a dictionary of multiple future OTP values of the
HOTP/HMAC token
WARNING: the dict that is returned contains a sequence number as key.
This it NOT the otp counter!
:param count: how many otp values should be returned
:type count: int
:param epoch_start: Not used in HOTP
:param epoch_end: Not used in HOTP
:param curTime: Not used in HOTP
:param timestamp: not used in HOTP
:param counter_index: whether the counter should be used as index
:return: tuple of status: boolean, error: text and the OTP dictionary
"""
otp_dict = {"type": "hotp", "otp": {}}
ret = False
error = "No count specified"
otplen = int(self.token.otplen)
secretHOtp = self.token.get_otpkey()
hmac2Otp = HmacOtp(
secretHOtp, self.token.count, otplen, self.get_hashlib(self.hashlib)
)
log.debug("retrieving {0:d} OTP values for token {1!s}".format(count, hmac2Otp))
if count > 0:
error = "OK"
for i in range(count):
otpval = hmac2Otp.generate(self.token.count + i, inc_counter=False)
if counter_index:
otp_dict["otp"][self.token.count + i] = otpval
else:
otp_dict["otp"][i] = otpval
ret = True
return ret, error, otp_dict
[docs]
@staticmethod
def get_setting_type(key):
settings = {"hotp.hashlib": "public"}
return settings.get(key, "")
[docs]
@classmethod
def get_default_settings(cls, g, params):
"""
This method returns a dictionary with default settings for token
enrollment.
These default settings are defined in SCOPE.USER or SCOPE.ADMIN and are
hotp_hashlib, hotp_otplen.
If these are set, the user or admin will only be able to enroll tokens
with these values.
The returned dictionary is added to the parameters of the API call.
:param g: context object, see documentation of ``Match``
:param params: The call parameters
:type params: dict
:return: default parameters
"""
ret = {}
if not g.logged_in_user:
return ret
(role, username, userrealm, adminuser, adminrealm) = (
determine_logged_in_userparams(g.logged_in_user, params)
)
hashlib_pol = Match.generic(
g,
scope=role,
action="hotp_hashlib",
user=username,
realm=userrealm,
adminrealm=adminrealm,
adminuser=adminuser,
).action_values(unique=True)
if hashlib_pol:
ret["hashlib"] = list(hashlib_pol)[0]
otplen_pol = Match.generic(
g,
scope=role,
action="hotp_otplen",
user=username,
realm=userrealm,
adminrealm=adminrealm,
adminuser=adminuser,
).action_values(unique=True)
if otplen_pol:
ret["otplen"] = list(otplen_pol)[0]
return ret
[docs]
def generate_symmetric_key(self, server_component, client_component, options=None):
"""
Generate a composite key from a server and client component
using a PBKDF2-based scheme.
:param server_component: The component usually generated by privacyIDEA
:type server_component: hex string
:param client_component: The component usually generated by the
client (e.g. smartphone)
:type client_component: hex string
:param options:
:return: the new generated key as hex string
:rtype: str
"""
# As /token/init has already been called before, self.hashlib
# is already set.
keysize = keylen[self.hashlib]
rounds = int(self.get_tokeninfo("2step_difficulty"))
decoded_client_component = binascii.unhexlify(client_component)
expected_client_size = int(self.get_tokeninfo("2step_clientsize"))
if expected_client_size != len(decoded_client_component):
raise ParameterError(
"Client Secret Size is expected to be {}, but is {}".format(
expected_client_size, len(decoded_client_component)
)
)
# Based on the two components, we generate a symmetric key using PBKDF2
# We pass the hex-encoded server component as the password and the
# client component as the salt.
secret = pbkdf2_hmac(
digest="sha1",
secret=server_component.lower(),
salt=decoded_client_component,
rounds=rounds,
keylen=keysize,
)
return hexlify_and_unicode(secret)
[docs]
@staticmethod
def get_import_csv(l):
"""
Read the list from a csv file and return a dictionary, that can be used
to do a token_init.
:param l: The list of the line of a csv file
:type l: list
:return: A dictionary of init params
"""
params = TokenClass.get_import_csv(l)
# get Counter
if len(l) >= 5:
params["counter"] = int(l[4].strip())
return params
[docs]
def prepare_verify_enrollment(self):
"""
This is called, if the token should be enrolled in a way, that the user
needs to provide a proof, that the server can verify, that the token
was successfully enrolled. E.g. with HOTP tokens the user might need to provide
a correct OTP value.
The returned dictionary is added to the response in "detail" -> "verify".
:return: A dictionary with information that is needed to trigger the verification.
"""
return {"message": HotpTokenClass.verify_enrollment_message}
[docs]
def verify_enrollment(self, verify):
"""
This is called during the 2nd step of the verified enrollment.
This method verifies the actual response from the user.
Returns true, if the verification was successful.
:param verify: The response given by the user
:return: True
"""
r = self.check_otp(verify)
log.debug("Enrollment verified: {0!s}".format(r))
return r >= 0
[docs]
@classmethod
def enroll_via_validate(cls, g, content, user_obj):
"""
This class method is used in the policy ENROLL_VIA_MULTICHALLENGE.
It enrolls a new token of this type and returns the necessary information
to the client by modifying the content.
:param g: context object
:param content: The content of a response
:param user_obj: A user object
:return: None, the content is modified
"""
message = _("Please scan the QR code!")
token_obj = init_token(
{"type": cls.get_class_type(), "genkey": 1}, user=user_obj
)
content.get("result")["value"] = False
content.get("result")["authentication"] = "CHALLENGE"
detail = content.setdefault("detail", {})
# Create a challenge!
c = token_obj.create_challenge()
# get details of token
enroll_params = get_init_tokenlabel_parameters(
g, user_object=user_obj, token_type=cls.get_class_type()
)
init_details = token_obj.get_init_detail(params=enroll_params, user=user_obj)
detail["transaction_ids"] = [c[2]]
detail["messages"] = [message]
chal = {
"transaction_id": c[2],
"image": init_details.get("googleurl").get("img"),
"client_mode": CLIENTMODE.INTERACTIVE,
"serial": token_obj.token.serial,
"type": token_obj.type,
"message": message,
}
detail["multi_challenge"] = [chal]
detail.update(chal)
[docs]
def has_further_challenge(self, options=None):
"""
:param options:
:return:
"""
try:
return self.currently_in_challenge
except AttributeError:
# Certain from HOTP inherited tokenclasses might not set currently_in_challenge
return False