Michael Pimmer 7da361bbca
Backup module: Implemented uploading files
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2018-10-01 07:00:57 -04:00

110 lines
4.0 KiB
Python

#
# This file is part of FreedomBox.
#
# 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/>.
#
"""
Forms for backups module.
"""
import os
from django import forms
from django.core import validators
from django.core.validators import FileExtensionValidator
from django.utils.translation import ugettext_lazy as _
from . import backups as backups_api
from . import get_export_locations, get_archive_path
class CreateArchiveForm(forms.Form):
name = forms.CharField(
label=_('Archive name'), strip=True,
help_text=_('Name for new backup archive.'), validators=[
validators.RegexValidator(r'^[^/]+$', _('Invalid archive name'))
])
selected_apps = forms.MultipleChoiceField(
label=_('Included apps'),
help_text=_('Apps to include in the backup'),
widget=forms.CheckboxSelectMultiple)
def __init__(self, *args, **kwargs):
"""Initialize the form with selectable apps."""
super().__init__(*args, **kwargs)
apps = backups_api.get_all_apps_for_backup()
self.fields['selected_apps'].choices = [
(app[0], app[1].name) for app in apps]
self.fields['selected_apps'].initial = [app[0] for app in apps]
class ExportArchiveForm(forms.Form):
disk = forms.ChoiceField(
label=_('Disk'), widget=forms.RadioSelect(),
help_text=_('Disk or removable storage where the backup archive will '
'be saved.'))
def __init__(self, *args, **kwargs):
"""Initialize the form with disk choices."""
super().__init__(*args, **kwargs)
self.fields['disk'].choices = get_export_locations()
class RestoreForm(forms.Form):
selected_apps = forms.MultipleChoiceField(
label=_('Restore apps'),
help_text=_('Apps data to restore from the backup'),
widget=forms.CheckboxSelectMultiple)
def __init__(self, *args, **kwargs):
"""Initialize the form with selectable apps."""
apps = kwargs.pop('apps')
super().__init__(*args, **kwargs)
self.fields['selected_apps'].choices = [
(app[0], app[1].name) for app in apps]
self.fields['selected_apps'].initial = [app[0] for app in apps]
class UploadForm(forms.Form):
location = forms.ChoiceField(
choices=(),
label=_('Location'),
initial='',
widget=forms.Select(),
required=True,
help_text=_('Location to upload the archive to'))
file = forms.FileField(label=_('Upload File'), required=True,
validators=[FileExtensionValidator(['gz'],
'Backup files have to be in .tar.gz format')],
help_text=_('Select the backup file you want to upload'))
def __init__(self, *args, **kwargs):
"""Initialize the form with location choices."""
super().__init__(*args, **kwargs)
# TODO: write a test that assures the format of get_export_locations
self.fields['location'].choices = get_export_locations()
def clean(self):
"""Check that the uploaded file does not exist"""
cleaned_data = super().clean()
file = cleaned_data.get('file')
location = cleaned_data.get('location')
if (file and file.name):
filepath = get_archive_path(location, file.name)
if os.path.exists(filepath):
raise forms.ValidationError("File %s already exists" % file.name)
else:
self.cleaned_data.update({'filepath': filepath})