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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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.
import logging
from django import shortcuts
from django.contrib import messages
from django.core import validators
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext_lazy as _
from horizon import api
from horizon import exceptions
from horizon import forms
LOG = logging.getLogger(__name__)
no_slash_validator = validators.RegexValidator(r'^(?u)[^/]+$',
_("Slash is not an allowed "
"character."),
code="noslash")
class CreateContainer(forms.SelfHandlingForm):
parent = forms.CharField(max_length=255,
required=False,
widget=forms.HiddenInput)
name = forms.CharField(max_length=255,
label=_("Container Name"),
validators=[no_slash_validator])
def handle(self, request, data):
try:
if not data['parent']:
# Create a container
api.swift_create_container(request, data["name"])
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_create_subfolder(request,
container,
subfolder_name)
messages.success(request, _("Folder created successfully."))
url = "horizon:nova:containers:object_index"
if remainder:
remainder = remainder.rstrip("/")
remainder += "/"
return shortcuts.redirect(url, container, remainder)
except:
exceptions.handle(request, _('Unable to create container.'))
return shortcuts.redirect("horizon:nova:containers:index")
class UploadObject(forms.SelfHandlingForm):
path = forms.CharField(max_length=255,
required=False,
widget=forms.HiddenInput)
name = forms.CharField(max_length=255,
label=_("Object Name"),
validators=[no_slash_validator])
object_file = forms.FileField(label=_("File"))
container_name = forms.CharField(widget=forms.HiddenInput())
def handle(self, request, data):
object_file = self.files['object_file']
if data['path']:
object_path = "/".join([data['path'].rstrip("/"), data['name']])
else:
object_path = data['name']
try:
obj = api.swift_upload_object(request,
data['container_name'],
object_path,
object_file)
obj.metadata['orig-filename'] = object_file.name
obj.sync_metadata()
messages.success(request, _("Object was successfully uploaded."))
except:
exceptions.handle(request, _("Unable to upload object."))
return shortcuts.redirect("horizon:nova:containers:object_index",
data['container_name'], data['path'])
class CopyObject(forms.SelfHandlingForm):
new_container_name = forms.ChoiceField(label=_("Destination container"),
validators=[no_slash_validator])
path = forms.CharField(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
def handle(self, request, data):
object_index = "horizon:nova:containers:object_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']
new_path = "%s%s" % (data['path'], new_object)
# Iteratively make sure all the directory markers exist.
if data['path']:
path_component = ""
for bit in data['path'].split("/"):
path_component += bit
try:
api.swift.swift_create_subfolder(request,
new_container,
path_component)
except:
redirect = reverse(object_index, args=(orig_container,))
exceptions.handle(request,
_("Unable to copy object."),
redirect=redirect)
path_component += "/"
# Now copy the object itself.
try:
api.swift_copy_object(request,
orig_container,
orig_object,
new_container,
new_path)
dest = "%s/%s" % (new_container, data['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)
except exceptions.HorizonException, exc:
messages.error(request, exc)
return shortcuts.redirect(object_index, orig_container)
except:
redirect = reverse(object_index, args=(orig_container,))
exceptions.handle(request,
_("Unable to copy object."),
redirect=redirect)
return shortcuts.redirect(object_index, new_container, data['path'])
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