authentik/passbook/tfa/views.py

208 lines
8.1 KiB
Python

"""passbook 2FA Views"""
# from base64 import b32encode
# from binascii import unhexlify
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.http import Http404, HttpRequest, HttpResponse
from django.shortcuts import get_object_or_404, redirect, render
from django.urls import reverse
from django.utils.translation import ugettext as _
from django.views.decorators.cache import never_cache
from django_otp import login, match_token, user_has_device
from django_otp.decorators import otp_required
from django_otp.plugins.otp_static.models import StaticDevice, StaticToken
from django_otp.plugins.otp_totp.models import TOTPDevice
from qrcode import make as qr_make
from qrcode.image.svg import SvgPathImage
from passbook.lib.decorators import reauth_required
# from passbook.core.models import Event
# from passbook.core.views.wizards import BaseWizardView
from passbook.tfa.forms import TFAVerifyForm
from passbook.tfa.utils import otpauth_url
TFA_SESSION_KEY = 'passbook_2fa_key'
@login_required
@reauth_required
def index(request: HttpRequest) -> HttpResponse:
"""Show empty index page"""
return render(request, 'core/generic.html', {
'text': 'Test 2FA passed'
})
@login_required
def verify(request: HttpRequest) -> HttpResponse:
"""Verify 2FA Token"""
if not user_has_device(request.user):
messages.error(request, _("You don't have 2-Factor Authentication set up."))
if request.method == 'POST':
form = TFAVerifyForm(request.POST)
if form.is_valid():
device = match_token(request.user, form.cleaned_data.get('code'))
if device:
login(request, device)
messages.success(request, _('Successfully validated 2FA Token.'))
# Check if there is a next GET parameter and redirect to that
if 'next' in request.GET:
return redirect(request.GET.get('next'))
# Otherwise just index
return redirect(reverse('common-index'))
messages.error(request, _('Invalid 2-Factor Token.'))
else:
form = TFAVerifyForm()
return render(request, 'generic/form_login.html', {
'form': form,
'title': _("SSO - Two-factor verification"),
'primary_action': _("Verify"),
'extra_links': {
'account-logout': 'Logout',
}
})
@login_required
def user_settings(request: HttpRequest) -> HttpResponse:
"""View for user settings to control 2FA"""
static = get_object_or_404(StaticDevice, user=request.user, confirmed=True)
static_tokens = StaticToken.objects.filter(device=static).order_by('token')
finished_totp_devices = TOTPDevice.objects.filter(user=request.user, confirmed=True)
finished_static_devices = StaticDevice.objects.filter(user=request.user, confirmed=True)
state = finished_totp_devices.exists() and finished_static_devices.exists()
return render(request, 'tfa/user_settings.html', {
'static_tokens': static_tokens,
'state': state,
})
@login_required
@reauth_required
@otp_required
def disable(request: HttpRequest) -> HttpResponse:
"""Disable 2FA for user"""
# Delete all the devices for user
static = get_object_or_404(StaticDevice, user=request.user, confirmed=True)
static_tokens = StaticToken.objects.filter(device=static).order_by('token')
totp = TOTPDevice.objects.filter(user=request.user, confirmed=True)
static.delete()
totp.delete()
for token in static_tokens:
token.delete()
messages.success(request, 'Successfully disabled 2FA')
# Create event with email notification
# Event.create(
# user=request.user,
# message=_('You disabled 2FA.'),
# current=True,
# request=request,
# send_notification=True)
return redirect(reverse('common-index'))
# # pylint: disable=too-many-ancestors
# @method_decorator([login_required, reauth_required], name="dispatch")
# class TFASetupView(BaseWizardView):
# """Wizard to create a Mail Account"""
# title = _('Set up 2FA')
# form_list = [TFASetupInitForm, TFASetupStaticForm]
# totp_device = None
# static_device = None
# confirmed = False
# def get_template_names(self):
# if self.steps.current == '1':
# return 'tfa/wizard_setup_static.html'
# return self.template_name
# def handle_request(self, request: HttpRequest):
# # Check if user has 2FA setup already
# finished_totp_devices = TOTPDevice.objects.filter(user=request.user, confirmed=True)
# finished_static_devices = StaticDevice.objects.filter(user=request.user, confirmed=True)
# if finished_totp_devices.exists() or finished_static_devices.exists():
# messages.error(request, _('You already have 2FA enabled!'))
# return redirect(reverse('common-index'))
# # Check if there's an unconfirmed device left to set up
# totp_devices = TOTPDevice.objects.filter(user=request.user, confirmed=False)
# if not totp_devices.exists():
# # Create new TOTPDevice and save it, but not confirm it
# self.totp_device = TOTPDevice(user=request.user, confirmed=False)
# self.totp_device.save()
# else:
# self.totp_device = totp_devices.first()
# # Check if we have a static device already
# static_devices = StaticDevice.objects.filter(user=request.user, confirmed=False)
# if not static_devices.exists():
# # Create new static device and some codes
# self.static_device = StaticDevice(user=request.user, confirmed=False)
# self.static_device.save()
# # Create 9 tokens and save them
# # pylint: disable=unused-variable
# for counter in range(0, 9):
# token = StaticToken(device=self.static_device, token=StaticToken.random_token())
# token.save()
# else:
# self.static_device = static_devices.first()
# # Somehow convert the generated key to base32 for the QR code
# rawkey = unhexlify(self.totp_device.key.encode('ascii'))
# request.session[TFA_SESSION_KEY] = b32encode(rawkey).decode("utf-8")
# return True
# def get_form(self, step=None, data=None, files=None):
# form = super(TFASetupView, self).get_form(step, data, files)
# if step is None:
# step = self.steps.current
# if step == '0':
# form.confirmed = self.confirmed
# form.device = self.totp_device
# form.fields['qr_code'].initial = reverse('passbook_tfa:tfa-qr')
# elif step == '1':
# # This is a bit of a hack, but the 2fa token from step 1 has been checked here
# # And we need to save it, otherwise it's going to fail in render_done
# # and we're going to be redirected to step0
# self.confirmed = True
# tokens = [(x.token, x.token) for x in self.static_device.token_set.all()]
# form.fields['tokens'].choices = tokens
# return form
# def finish(self, *forms):
# # Save device as confirmed
# self.totp_device.confirmed = True
# self.totp_device.save()
# self.static_device.confirmed = True
# self.static_device.save()
# # Create event with email notification
# Event.create(
# user=self.request.user,
# message=_('You activated 2FA.'),
# current=True,
# request=self.request,
# send_notification=True)
# return redirect(reverse('passbook_tfa:tfa-index'))
@never_cache
@login_required
def qr_code(request: HttpRequest) -> HttpResponse:
"""View returns an SVG image with the OTP token information"""
# Get the data from the session
try:
key = request.session[TFA_SESSION_KEY]
except KeyError:
raise Http404
url = otpauth_url(accountname=request.user.username, secret=key)
# Make and return QR code
img = qr_make(url, image_factory=SvgPathImage)
resp = HttpResponse(content_type='image/svg+xml; charset=utf-8')
img.save(resp)
return resp