Source code for horizon.views.auth

# 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.conf import settings
from django.contrib.auth import REDIRECT_FIELD_NAME
from django.utils.translation import ugettext as _

import horizon
from horizon import api
from horizon import exceptions
from horizon import forms
from horizon import users
from horizon.base import Horizon
from horizon.views.auth_forms import Login, LoginWithTenant, _set_session_data


LOG = logging.getLogger(__name__)


def user_home(request):
    """ Reversible named view to direct a user to the appropriate homepage. """
[docs] return shortcuts.redirect(horizon.get_user_home(request.user)) class LoginView(forms.ModalFormView): """
[docs] Logs in a user and redirects them to the URL specified by :func:`horizon.get_user_home`. """ form_class = Login template_name = "horizon/auth/login.html" def get_context_data(self, **kwargs): context = super(LoginView, self).get_context_data(**kwargs)
[docs] redirect_to = self.request.REQUEST.get(REDIRECT_FIELD_NAME, "") context["redirect_field_name"] = REDIRECT_FIELD_NAME context["next"] = redirect_to return context def get_initial(self): initial = super(LoginView, self).get_initial()
[docs] current_region = self.request.session.get('region_endpoint', None) requested_region = self.request.GET.get('region', None) regions = dict(getattr(settings, "AVAILABLE_REGIONS", [])) if requested_region in regions and requested_region != current_region: initial.update({'region': requested_region}) return initial def switch_tenants(request, tenant_id): """
[docs] Swaps a user from one tenant to another using the unscoped token from Keystone to exchange scoped tokens for the new tenant. """ form, handled = LoginWithTenant.maybe_handle( request, initial={'tenant': tenant_id, 'username': request.user.username}) if handled: return handled unscoped_token = request.session.get('unscoped_token', None) if unscoped_token: try: token = api.token_create_scoped(request, tenant_id, unscoped_token) _set_session_data(request, token) user = users.User(users.get_user_from_request(request)) return shortcuts.redirect(Horizon.get_user_home(user)) except: exceptions.handle(request, _("You are not authorized for that tenant.")) return shortcuts.redirect("horizon:auth_login") def logout(request): """ Clears the session and logs the current user out. """
[docs] request.user_logout() # FIXME(gabriel): we don't ship a view named splash return shortcuts.redirect('splash')