mirror of
https://github.com/freedombox/FreedomBox.git
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b18a80f0f2
- Introduce a BackupApp class to store all information about application being backed up. This cleans up apps lists vs. manifest lists spread out in the code. - Introduce ServiceHandler to abstract dealing with services and web configuration. - Add enable and disable actions in apache action. Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
125 lines
4.7 KiB
Python
125 lines
4.7 KiB
Python
#
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# This file is part of FreedomBox.
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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 backups module.
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"""
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import os
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from django import forms
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from django.core import validators
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from django.core.validators import FileExtensionValidator
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from django.utils.translation import ugettext, ugettext_lazy as _
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from . import api
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from . import get_export_locations, get_archive_path, get_location_path
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def _get_app_choices(apps):
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"""Return a list of check box multiple choices from list of apps."""
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choices = []
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for app in apps:
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name = app.app.name
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if not app.has_data:
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name = ugettext('{app} (No data to backup)').format(
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app=app.app.name)
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choices.append((app.name, name))
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return choices
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class CreateArchiveForm(forms.Form):
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name = forms.CharField(
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label=_('Archive name'), strip=True,
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help_text=_('Name for new backup archive.'), validators=[
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validators.RegexValidator(r'^[^/]+$', _('Invalid archive name'))
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])
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selected_apps = forms.MultipleChoiceField(
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label=_('Included apps'), help_text=_('Apps to include in the backup'),
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widget=forms.CheckboxSelectMultiple)
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def __init__(self, *args, **kwargs):
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"""Initialize the form with selectable apps."""
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super().__init__(*args, **kwargs)
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apps = api.get_all_apps_for_backup()
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self.fields['selected_apps'].choices = _get_app_choices(apps)
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self.fields['selected_apps'].initial = [app.name for app in apps]
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class ExportArchiveForm(forms.Form):
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disk = forms.ChoiceField(
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label=_('Disk'), widget=forms.RadioSelect(),
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help_text=_('Disk or removable storage where the backup archive will '
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'be saved.'))
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def __init__(self, *args, **kwargs):
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"""Initialize the form with disk choices."""
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super().__init__(*args, **kwargs)
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self.fields['disk'].choices = get_export_locations()
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class RestoreForm(forms.Form):
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selected_apps = forms.MultipleChoiceField(
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label=_('Restore apps'),
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help_text=_('Apps data to restore from the backup'),
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widget=forms.CheckboxSelectMultiple)
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def __init__(self, *args, **kwargs):
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"""Initialize the form with selectable apps."""
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apps = kwargs.pop('apps')
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super().__init__(*args, **kwargs)
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self.fields['selected_apps'].choices = _get_app_choices(apps)
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self.fields['selected_apps'].initial = [app.name for app in apps]
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class UploadForm(forms.Form):
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location = forms.ChoiceField(
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choices=(), label=_('Location'), initial='', widget=forms.Select(),
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required=True, help_text=_('Location to upload the archive to'))
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file = forms.FileField(
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label=_('Upload File'), required=True, validators=[
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FileExtensionValidator(['gz'],
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'Backup files have to be in .tar.gz format')
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], help_text=_('Select the backup file you want to upload'))
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def __init__(self, *args, **kwargs):
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"""Initialize the form with location choices."""
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super().__init__(*args, **kwargs)
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locations = get_export_locations()
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# users should only be able to select a location name -- don't
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# provide paths as a form input for security reasons
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location_labels = [(location[1], location[1])
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for location in locations]
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self.fields['location'].choices = location_labels
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def clean(self):
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"""Check that the uploaded file does not yet exist."""
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cleaned_data = super().clean()
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file = cleaned_data.get('file')
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location_label = cleaned_data.get('location')
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location_path = get_location_path(location_label)
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# if other errors occured before, 'file' won't be in cleaned_data
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if (file and file.name):
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filepath = get_archive_path(location_path, file.name)
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if os.path.exists(filepath):
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raise forms.ValidationError(
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"File %s already exists" % file.name)
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else:
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self.cleaned_data.update({'filepath': filepath})
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