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#!/usr/bin/env python
#
# Copyright 2007 Google 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 os
import sys
sys.path.append(os.path.dirname(__file__))
from beaker.middleware import SessionMiddleware
from google.appengine.ext import webapp
from aeoid import handlers
from aeoid import users
class _MiddlewareImpl(object):
def __init__(self, application, debug=False):
self.application = application
self.oid_app = webapp.WSGIApplication(handlers.handler_map, debug=debug)
def __call__(self, environ, start_response):
session = environ['aeoid.beaker.session']
if 'aeoid.user' in session:
os.environ['aeoid.user'] = environ['aeoid.user'] = session['aeoid.user']
try:
if environ['PATH_INFO'].startswith(users.OPENID_PATH_PREFIX):
return self.oid_app(environ, start_response)
else:
return self.application(environ, start_response)
finally:
users._current_user = None
def AeoidMiddleware(application, session_opts=None, debug=False):
"""WSGI middleware that adds support for OpenID user authentication."""
beaker_opts = {
'session.type': 'ext:google',
'session.key': 'aeoid.beaker.session.id',
}
if session_opts:
beaker_opts.update(session_opts)
application = _MiddlewareImpl(application, debug)
application = SessionMiddleware(wrap_app=application, config=beaker_opts, environ_key='aeoid.beaker.session')
return application