mirror of
https://github.com/freedombox/FreedomBox.git
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115 lines
4.2 KiB
Python
115 lines
4.2 KiB
Python
#
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# This file is part of Plinth.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Forms for basic system configuration
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"""
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from django import forms
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from django.utils.translation import ugettext as _, ugettext_lazy
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from django.core import validators
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from django.core.exceptions import ValidationError
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from django.conf import settings
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from django.utils import translation
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from plinth import cfg
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from plinth.utils import format_lazy
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import plinth
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import logging
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import os
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import re
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logger = logging.getLogger(__name__)
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HOSTNAME_REGEX = r'^[a-zA-Z0-9]([-a-zA-Z0-9]{,61}[a-zA-Z0-9])?$'
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class TrimmedCharField(forms.CharField):
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"""Trim the contents of a CharField"""
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def clean(self, value):
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"""Clean and validate the field value"""
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if value:
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value = value.strip()
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return super(TrimmedCharField, self).clean(value)
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def domain_label_validator(domainname):
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"""Validate domain name labels."""
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for label in domainname.split('.'):
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if not re.match(HOSTNAME_REGEX, label):
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raise ValidationError(_('Invalid domain name'))
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class ConfigurationForm(forms.Form):
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"""Main system configuration form"""
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# See:
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# https://tools.ietf.org/html/rfc952
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# https://tools.ietf.org/html/rfc1035#section-2.3.1
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# https://tools.ietf.org/html/rfc1123#section-2
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# https://tools.ietf.org/html/rfc2181#section-11
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hostname = TrimmedCharField(
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label=ugettext_lazy('Hostname'),
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help_text=format_lazy(ugettext_lazy(
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'Hostname is the local name by which other devices on the local '
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'network can reach your {box_name}. It must start and end with '
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'an alphabet or a digit and have as interior characters only '
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'alphabets, digits and hyphens. Total length must be 63 '
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'characters or less.'), box_name=ugettext_lazy(cfg.box_name)),
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validators=[
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validators.RegexValidator(
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HOSTNAME_REGEX,
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ugettext_lazy('Invalid hostname'))])
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domainname = TrimmedCharField(
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label=ugettext_lazy('Domain Name'),
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help_text=format_lazy(ugettext_lazy(
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'Domain name is the global name by which other devices on the '
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'Internet can reach your {box_name}. It must consist of labels '
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'separated by dots. Each label must start and end with an '
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'alphabet or a digit and have as interior characters only '
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'alphabets, digits and hyphens. Length of each label must be 63 '
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'characters or less. Total length of domain name must be 253 '
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'characters or less.'), box_name=ugettext_lazy(cfg.box_name)),
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required=False,
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validators=[
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validators.RegexValidator(
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r'^[a-zA-Z0-9]([-a-zA-Z0-9.]{,251}[a-zA-Z0-9])?$',
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ugettext_lazy('Invalid domain name')),
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domain_label_validator])
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language = forms.ChoiceField(
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label=ugettext_lazy('Language'),
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help_text=ugettext_lazy(
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'Language for this web administration interface'),
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required=False)
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def __init__(self, *args, **kwargs):
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"""Set limited language choices."""
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super().__init__(*args, **kwargs)
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languages = []
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for language_code, language_name in settings.LANGUAGES:
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locale_code = translation.to_locale(language_code)
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plinth_dir = os.path.dirname(plinth.__file__)
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if language_code == 'en' or os.path.exists(
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os.path.join(plinth_dir, 'locale', locale_code)):
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languages.append((language_code, language_name))
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self.fields['language'].choices = languages
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