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authentik/passbook/tfa/forms.py

53 lines
1.9 KiB
Python

"""Supervisr 2FA Forms"""
from django import forms
from django.core.validators import RegexValidator
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext_lazy as _
TFA_CODE_VALIDATOR = RegexValidator(r'^[0-9a-z]{6,8}$',
_('Only alpha-numeric characters are allowed.'))
class PictureWidget(forms.widgets.Widget):
"""Widget to render value as img-tag"""
def render(self, name, value, attrs=None, renderer=None):
return mark_safe("<img src=\"%s\" />" % value) # nosec
class TFAVerifyForm(forms.Form):
"""Simple Form to verify 2FA Code"""
order = ['code']
code = forms.CharField(label=_('Code'), validators=[TFA_CODE_VALIDATOR],
widget=forms.TextInput(attrs={'autocomplete': 'off'}))
def __init__(self, *args, **kwargs):
super(TFAVerifyForm, self).__init__(*args, **kwargs)
# This is a little helper so the field is focused by default
self.fields['code'].widget.attrs.update({'autofocus': 'autofocus'})
class TFASetupInitForm(forms.Form):
"""Initial 2FA Setup form"""
title = _('Set up 2FA')
device = None
confirmed = False
qr_code = forms.CharField(widget=PictureWidget, disabled=True, required=False,
label=_('Scan this Code with your 2FA App.'))
code = forms.CharField(label=_('Code'), validators=[TFA_CODE_VALIDATOR])
def clean_code(self):
"""Check code with new totp device"""
if self.device is not None:
if not self.device.verify_token(int(self.cleaned_data.get('code'))) \
and not self.confirmed:
raise forms.ValidationError(_("2FA Code does not match"))
return self.cleaned_data.get('code')
class TFASetupStaticForm(forms.Form):
"""Static form to show generated static tokens"""
tokens = forms.MultipleChoiceField(disabled=True, required=False)