horizon/openstack_dashboard/views.py
2018-02-17 01:36:54 +09:00

134 lines
4.5 KiB
Python

# 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 importlib import import_module
import logging
from django.conf import settings
from django import http
from django import shortcuts
from django import urls
from django.utils.translation import ugettext as _
import django.views.decorators.vary
from django.views.generic import TemplateView
from six.moves import urllib
import horizon
from horizon import base
from horizon import exceptions
from horizon import notifications
LOG = logging.getLogger(__name__)
MESSAGES_PATH = getattr(settings, 'MESSAGES_PATH', None)
def get_user_home(user):
try:
token = user.token
except AttributeError:
raise exceptions.NotAuthenticated()
# Domain Admin, Project Admin will default to identity
dashboard = None
if token.project.get('id') is None or user.is_superuser:
try:
dashboard = horizon.get_dashboard('identity')
except base.NotRegistered:
pass
if dashboard is None:
dashboard = horizon.get_default_dashboard()
return dashboard.get_absolute_url()
@django.views.decorators.vary.vary_on_cookie
def splash(request):
if not request.user.is_authenticated:
raise exceptions.NotAuthenticated()
response = shortcuts.redirect(horizon.get_user_home(request.user))
if 'logout_reason' in request.COOKIES:
response.delete_cookie('logout_reason')
if 'logout_status' in request.COOKIES:
response.delete_cookie('logout_status')
# Display Message of the Day message from the message files
# located in MESSAGES_PATH
if MESSAGES_PATH:
notifications.process_message_notification(request, MESSAGES_PATH)
return response
def get_url_with_pagination(request, marker_name, prev_marker_name, url_string,
object_id=None):
if object_id:
url = urls.reverse(url_string, args=(object_id,))
else:
url = urls.reverse(url_string)
marker = request.GET.get(marker_name, None)
if marker:
return "{}?{}".format(url,
urllib.parse.urlencode({marker_name: marker}))
prev_marker = request.GET.get(prev_marker_name, None)
if prev_marker:
return "{}?{}".format(url,
urllib.parse.urlencode({prev_marker_name:
prev_marker}))
return url
class ExtensibleHeaderView(TemplateView):
template_name = 'header/_header_sections.html'
def get_context_data(self, **kwargs):
context = super(ExtensibleHeaderView, self).get_context_data(**kwargs)
header_sections = []
config = getattr(settings, 'HORIZON_CONFIG', {})
for view_path in config.get("header_sections", []):
mod_path, view_cls = view_path.rsplit(".", 1)
try:
mod = import_module(mod_path)
except ImportError:
LOG.warning("Could not load header view: %s", mod_path)
continue
try:
view = getattr(mod, view_cls)(request=self.request)
response = view.get(self.request)
rendered_response = response.render()
packed_response = [view_path.replace('.', '-'),
rendered_response.content]
header_sections.append(packed_response)
except Exception as e:
LOG.warning("Could not render header %(path)s, exception: "
"%(exc)s", {'path': view_path, 'exc': e})
continue
context['header_sections'] = header_sections
return context
def csrf_failure(request, reason=""):
if reason:
reason += " "
reason += _("Cookies may be turned off. "
"Make sure cookies are enabled and try again.")
url = settings.LOGIN_URL + "?csrf_failure=%s" % urllib.parse.quote(reason)
response = http.HttpResponseRedirect(url)
return response