2011-06-22 09:47:45 -07:00

49 lines
1.5 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
from django.contrib import messages
from django import shortcuts
import openstackx
import openstack
class User(object):
def __init__(self, token, user, tenant, admin):
self.token = token
self.username = user
self.tenant = tenant
self.admin = admin
def is_authenticated(self):
# TODO: deal with token expiration
return self.token
def is_admin(self):
return self.admin
def get_user_from_request(request):
if 'user' not in request.session:
return User(None,None,None,None)
return User(request.session['token'],
request.session['user'],
request.session['tenant'],
request.session['admin'])
class LazyUser(object):
def __get__(self, request, obj_type=None):
if not hasattr(request, '_cached_user'):
request._cached_user = get_user_from_request(request)
return request._cached_user
class AuthenticationMiddleware(object):
def process_request(self, request):
request.__class__.user = LazyUser()
def process_exception(self, request, exception):
if type(exception) in [openstack.compute.exceptions.Forbidden,
openstackx.api.exceptions.Forbidden]:
messages.error(request, 'Your token has expired.\
Please log in again')
return shortcuts.redirect('/auth/logout')