totp: rename tfa to totp

passbook/totp/forms.py

@@ -0,0 +1,52 @@
+"""passbook TOTP 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 _
+
+TOTP_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 TOTPVerifyForm(forms.Form):
+    """Simple Form to verify TOTP Code"""
+    order = ['code']
+
+    code = forms.CharField(label=_('Code'), validators=[TOTP_CODE_VALIDATOR],
+                           widget=forms.TextInput(attrs={'autocomplete': 'off'}))
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # This is a little helper so the field is focused by default
+        self.fields['code'].widget.attrs.update({'autofocus': 'autofocus'})
+
+
+class TOTPSetupInitForm(forms.Form):
+    """Initial TOTP Setup form"""
+    title = _('Set up TOTP')
+    device = None
+    confirmed = False
+    qr_code = forms.CharField(widget=PictureWidget, disabled=True, required=False,
+                              label=_('Scan this Code with your TOTP App.'))
+    code = forms.CharField(label=_('Code'), validators=[TOTP_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(_("TOTP Code does not match"))
+        return self.cleaned_data.get('code')
+
+
+class TOTPSetupStaticForm(forms.Form):
+    """Static form to show generated static tokens"""
+    tokens = forms.MultipleChoiceField(disabled=True, required=False)