passerelle/passerelle/utils/forms.py

49 lines
1.8 KiB
Python

# passerelle - uniform access to multiple data sources and services
# Copyright (C) 2022 Entr'ouvert
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from django import forms
from django.core import exceptions, validators
from django.template import Template, TemplateSyntaxError
from django.utils.translation import gettext_lazy as _
class LDAPURLField(forms.URLField):
default_validators = [validators.URLValidator(schemes=['ldap', 'ldaps'])]
def validate_condition_template(condition_template):
real_template = f'{{% if {condition_template} %}}OK{{% endif %}}'
try:
Template(real_template)
except (TemplateSyntaxError, OverflowError) as e:
raise exceptions.ValidationError(_('syntax error: %s') % e, code='syntax-error')
class ConditionField(forms.CharField):
default_validators = [validate_condition_template]
def validate_template(template):
try:
Template(template)
except (TemplateSyntaxError, OverflowError) as e:
raise exceptions.ValidationError(_('syntax error: %s') % e, code='syntax-error')
class TemplateField(forms.CharField):
default_validators = [validate_template]
widget = forms.Textarea