Files
pretix_cgo/src/pretix/control/views/user.py
2016-10-09 12:59:43 +02:00

184 lines
7.3 KiB
Python

import base64
from urllib.parse import quote
from django.conf import settings
from django.contrib import messages
from django.contrib.auth import update_session_auth_hash
from django.core.urlresolvers import reverse
from django.shortcuts import get_object_or_404, redirect
from django.utils.crypto import get_random_string
from django.utils.functional import cached_property
from django.utils.translation import ugettext_lazy as _
from django.views.generic import FormView, TemplateView, UpdateView
from django_otp.plugins.otp_static.models import StaticDevice
from django_otp.plugins.otp_totp.models import TOTPDevice
from pretix.base.forms.user import User2FADeviceAddForm, UserSettingsForm
from pretix.base.models import User
REAL_DEVICE_TYPES = (TOTPDevice,)
class UserSettings(UpdateView):
model = User
form_class = UserSettingsForm
template_name = 'pretixcontrol/user/settings.html'
def get_object(self, queryset=None):
return self.request.user
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
kwargs['user'] = self.request.user
return kwargs
def form_invalid(self, form):
messages.error(self.request, _('Your changes could not be saved. See below for details.'))
return super().form_invalid(form)
def form_valid(self, form):
messages.success(self.request, _('Your changes have been saved.'))
sup = super().form_valid(form)
update_session_auth_hash(self.request, self.request.user)
return sup
def get_success_url(self):
return reverse('control:user.settings')
class User2FAMainView(TemplateView):
template_name = 'pretixcontrol/user/2fa_main.html'
def get_context_data(self, **kwargs):
ctx = super().get_context_data()
try:
ctx['static_tokens'] = StaticDevice.objects.get(user=self.request.user, name='emergency').token_set.all()
except StaticDevice.DoesNotExist:
d = StaticDevice.objects.create(user=self.request.user, name='emergency')
for i in range(10):
d.token_set.create(token=get_random_string(length=12, allowed_chars='1234567890'))
ctx['static_tokens'] = d.token_set.all()
ctx['devices'] = []
for dt in REAL_DEVICE_TYPES:
objs = list(dt.objects.filter(user=self.request.user, confirmed=True))
for obj in objs:
if dt == TOTPDevice:
obj.devicetype = 'totp'
ctx['devices'] += objs
return ctx
class User2FADeviceAddView(FormView):
form_class = User2FADeviceAddForm
template_name = 'pretixcontrol/user/2fa_add.html'
def form_valid(self, form):
if form.cleaned_data['devicetype'] == 'totp':
dev = TOTPDevice.objects.create(user=self.request.user, confirmed=False, name=form.cleaned_data['name'])
else:
messages.error(self.request, _('Unknown device type'))
return self.get(self.request, self.args, self.kwargs)
return redirect(reverse('control:user.settings.2fa.confirm.' + form.cleaned_data['devicetype'], kwargs={
'device': dev.pk
}))
class User2FADeviceDeleteView(TemplateView):
template_name = 'pretixcontrol/user/2fa_delete.html'
@cached_property
def device(self):
if self.kwargs['devicetype'] == 'totp':
return get_object_or_404(TOTPDevice, user=self.request.user, pk=self.kwargs['device'], confirmed=True)
def get_context_data(self, **kwargs):
ctx = super().get_context_data()
ctx['device'] = self.device
return ctx
def post(self, request, *args, **kwargs):
self.device.delete()
if not any(dt.objects.filter(user=self.request.user, confirmed=True) for dt in REAL_DEVICE_TYPES):
self.request.user.require_2fa = False
self.request.user.save()
messages.success(request, _('The device has been removed.'))
return redirect(reverse('control:user.settings.2fa'))
class User2FADeviceConfirmTOTPView(TemplateView):
template_name = 'pretixcontrol/user/2fa_confirm_totp.html'
@cached_property
def device(self):
return get_object_or_404(TOTPDevice, user=self.request.user, pk=self.kwargs['device'], confirmed=False)
def get_context_data(self, **kwargs):
ctx = super().get_context_data()
ctx['secret'] = base64.b32encode(self.device.bin_key).decode('utf-8')
ctx['qrdata'] = 'otpauth://totp/{label}%3A%20{user}?issuer={label}&secret={secret}&digits={digits}'.format(
label=quote(settings.PRETIX_INSTANCE_NAME), user=quote(self.request.user.email),
secret=ctx['secret'],
digits=self.device.digits
)
ctx['device'] = self.device
return ctx
def post(self, request, *args, **kwargs):
token = request.POST.get('token', '')
if self.device.verify_token(token):
self.device.confirmed = True
self.device.save()
messages.success(request, _('The device has been verified and can now be used.'))
return redirect(reverse('control:user.settings.2fa'))
else:
messages.error(request, _('The code you entered was not valid. If this problem persists, please check '
'that the date and time of your phone are configured correctly.'))
return redirect(reverse('control:user.settings.2fa.confirm.totp', kwargs={
'device': self.device.pk
}))
class User2FAEnableView(TemplateView):
template_name = 'pretixcontrol/user/2fa_enable.html'
def dispatch(self, request, *args, **kwargs):
if not any(dt.objects.filter(user=self.request.user, confirmed=True) for dt in REAL_DEVICE_TYPES):
messages.error(request, _('Please configure at least one device before enabling two-factor '
'authentication.'))
return redirect(reverse('control:user.settings.2fa'))
return super().dispatch(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
self.request.user.require_2fa = True
self.request.user.save()
messages.success(request, _('Two-factor authentication is now enabled for your account.'))
return redirect(reverse('control:user.settings.2fa'))
class User2FADisableView(TemplateView):
template_name = 'pretixcontrol/user/2fa_disable.html'
def post(self, request, *args, **kwargs):
self.request.user.require_2fa = False
self.request.user.save()
messages.success(request, _('Two-factor authentication is now disabled for your account.'))
return redirect(reverse('control:user.settings.2fa'))
class User2FARegenerateEmergencyView(TemplateView):
template_name = 'pretixcontrol/user/2fa_regenermergency.html'
def post(self, request, *args, **kwargs):
d = StaticDevice.objects.get(user=self.request.user, name='emergency')
d.token_set.all().delete()
for i in range(10):
d.token_set.create(token=get_random_string(length=12, allowed_chars='1234567890'))
messages.success(request, _('Your emergency codes have been newly generated. Remember to store them in a safe '
'place in case you lose access to your devices.'))
return redirect(reverse('control:user.settings.2fa'))