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