# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from django.core.urlresolvers import reverse
from django.core import validators
from django.utils.encoding import force_text
from django.utils.translation import pgettext_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from openstack_dashboard import api
from openstack_dashboard.dashboards.project.containers import utils
no_slash_validator = validators.RegexValidator(r'^(?u)[^/]+$',
_("Slash is not an allowed "
"character."),
code="noslash")
no_begin_or_end_slash = validators.RegexValidator(r'^[^\/](?u).+[^\/]$',
_("Slash is not allowed at "
"the beginning or end of "
"your string."),
code="nobeginorendslash")
[docs]class CreateContainer(forms.SelfHandlingForm):
ACCESS_CHOICES = (
("private", _("Private")),
("public", _("Public")),
)
parent = forms.CharField(max_length=255,
required=False,
widget=forms.HiddenInput)
name = forms.CharField(max_length=255,
label=_("Container Name"),
validators=[no_slash_validator])
access = forms.ChoiceField(label=_("Container Access"),
choices=ACCESS_CHOICES)
[docs] def handle(self, request, data):
try:
if not data['parent']:
is_public = data["access"] == "public"
metadata = ({'is_public': is_public})
# Create a container
api.swift.swift_create_container(request,
data["name"],
metadata=metadata)
messages.success(request, _("Container created successfully."))
else:
# Create a pseudo-folder
container, slash, remainder = data['parent'].partition("/")
remainder = remainder.rstrip("/")
subfolder_name = "/".join([bit for bit
in (remainder, data['name'])
if bit])
api.swift.swift_create_subfolder(request,
container,
subfolder_name)
messages.success(request, _("Folder created successfully."))
return True
except Exception:
exceptions.handle(request, _('Unable to create container.'))
[docs]class UploadObject(forms.SelfHandlingForm):
path = forms.CharField(max_length=255,
required=False,
widget=forms.HiddenInput)
object_file = forms.FileField(label=_("File"),
required=False,
allow_empty_file=True)
name = forms.CharField(max_length=255,
label=_("Object Name"),
help_text=_("Slashes are allowed, and are treated "
"as pseudo-folders by the Object "
"Store."),
widget=forms.TextInput(
attrs={"ng-model": "name",
"not-blank": ""}
))
container_name = forms.CharField(widget=forms.HiddenInput())
def _set_object_path(self, data):
if data['path']:
object_path = "/".join([data['path'].rstrip("/"), data['name']])
else:
object_path = data['name']
return object_path
[docs] def clean(self):
data = super(UploadObject, self).clean()
if 'object_file' not in self.files:
self.files['object_file'] = None
return data
[docs] def handle(self, request, data):
object_file = self.files['object_file']
object_path = self._set_object_path(data)
try:
obj = api.swift.swift_upload_object(request,
data['container_name'],
object_path,
object_file)
msg = force_text(_("Object was successfully uploaded."))
messages.success(request, msg)
return obj
except Exception:
exceptions.handle(request, _("Unable to upload object."))
[docs]class UpdateObject(UploadObject):
def __init__(self, *args, **kwargs):
super(UpdateObject, self).__init__(*args, **kwargs)
self.fields['name'].widget = forms.TextInput(
attrs={"readonly": "readonly"})
self.fields['name'].help_text = None
[docs] def handle(self, request, data):
object_file = self.files.get('object_file')
if object_file:
object_path = self._set_object_path(data)
try:
obj = api.swift.swift_upload_object(request,
data['container_name'],
object_path,
object_file)
messages.success(
request, _("Object was successfully updated."))
return obj
except Exception:
exceptions.handle(request, _("Unable to update object."))
return False
else:
# If object file is not provided, then a POST method is needed
# to update ONLY metadata. This must be implemented when
# object metadata can be updated from this panel.
return True
[docs]class CreatePseudoFolder(forms.SelfHandlingForm):
path = forms.CharField(max_length=255,
required=False,
widget=forms.HiddenInput)
name = forms.CharField(max_length=255,
label=_("Pseudo-folder Name"),
validators=[no_begin_or_end_slash])
container_name = forms.CharField(widget=forms.HiddenInput())
def _set_pseudo_folder_path(self, data):
if data['path']:
pseudo_folder_path = "/".join([data['path'].rstrip("/"),
data['name']]) + "/"
else:
pseudo_folder_path = data['name'] + "/"
return pseudo_folder_path
[docs] def handle(self, request, data):
pseudo_folder_path = self._set_pseudo_folder_path(data)
try:
obj = api.swift.swift_create_pseudo_folder(request,
data['container_name'],
pseudo_folder_path)
messages.success(request,
_("Pseudo-folder was successfully created."))
return obj
except Exception:
exceptions.handle(request, _("Unable to create pseudo-folder."))
[docs]class CopyObject(forms.SelfHandlingForm):
new_container_name = forms.ChoiceField(label=_("Destination container"),
validators=[no_slash_validator])
path = forms.CharField(
label=pgettext_lazy("Swift pseudo folder path", u"Path"),
max_length=255, required=False)
new_object_name = forms.CharField(max_length=255,
label=_("Destination object name"),
validators=[no_slash_validator])
orig_container_name = forms.CharField(widget=forms.HiddenInput())
orig_object_name = forms.CharField(widget=forms.HiddenInput())
def __init__(self, *args, **kwargs):
containers = kwargs.pop('containers')
super(CopyObject, self).__init__(*args, **kwargs)
self.fields['new_container_name'].choices = containers
[docs] def handle(self, request, data):
index = "horizon:project:containers:index"
orig_container = data['orig_container_name']
orig_object = data['orig_object_name']
new_container = data['new_container_name']
new_object = data['new_object_name']
path = data['path']
if path and not path.endswith("/"):
path = path + "/"
new_path = "%s%s" % (path, new_object)
# Now copy the object itself.
try:
api.swift.swift_copy_object(request,
orig_container,
orig_object,
new_container,
new_path)
dest = "%s/%s" % (new_container, path)
vals = {"dest": dest.rstrip("/"),
"orig": orig_object.split("/")[-1],
"new": new_object}
messages.success(request,
_('Copied "%(orig)s" to "%(dest)s" as "%(new)s".')
% vals)
return True
except exceptions.HorizonException as exc:
messages.error(request, exc)
raise exceptions.Http302(
reverse(index, args=[utils.wrap_delimiter(orig_container)]))
except Exception:
redirect = reverse(index,
args=[utils.wrap_delimiter(orig_container)])
exceptions.handle(request,
_("Unable to copy object."),
redirect=redirect)