68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2011 Fourth Paradigm Development, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from django.contrib import messages
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from django import shortcuts
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import openstackx
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import openstack
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class User(object):
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def __init__(self, token, user, tenant, admin):
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self.token = token
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self.username = user
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self.tenant = tenant
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self.admin = admin
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def is_authenticated(self):
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# TODO: deal with token expiration
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return self.token
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def is_admin(self):
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return self.admin
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def get_user_from_request(request):
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if 'user' not in request.session:
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return User(None,None,None,None)
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return User(request.session['token'],
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request.session['user'],
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request.session['tenant'],
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request.session['admin'])
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class LazyUser(object):
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def __get__(self, request, obj_type=None):
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if not hasattr(request, '_cached_user'):
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request._cached_user = get_user_from_request(request)
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return request._cached_user
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class AuthenticationMiddleware(object):
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def process_request(self, request):
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request.__class__.user = LazyUser()
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def process_exception(self, request, exception):
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if type(exception) in [openstack.compute.exceptions.Forbidden,
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openstackx.api.exceptions.Forbidden]:
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messages.error(request, 'Your token has expired.\
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Please log in again')
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return shortcuts.redirect('/auth/logout')
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