/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.

  */

 package org.apache.shiro.cas;

 import org.apache.shiro.authc.AuthenticationToken;

 import org.apache.shiro.subject.Subject;

 import org.apache.shiro.subject.SubjectContext;

 import org.apache.shiro.web.mgt.DefaultWebSubjectFactory;

 /**

  * {@link org.apache.shiro.mgt.SubjectFactory Subject} implementation to be used in CAS-enabled applications.

  *

  * @since 1.2

  */

 public class CasSubjectFactory extends DefaultWebSubjectFactory {

     @Override

     public Subject createSubject(SubjectContext context) {

         //the authenticated flag is only set by the SecurityManager after a successful authentication attempt.

         boolean authenticated = context.isAuthenticated();

         //although the SecurityManager 'sees' the submission as a successful authentication, in reality, the

         //login might have been just a CAS rememberMe login.  If so, set the authenticated flag appropriately:

         if (authenticated) {

             AuthenticationToken token = context.getAuthenticationToken();

             if (token != null && token instanceof CasToken) {

                 CasToken casToken = (CasToken) token;

                 // set the authenticated flag of the context to true only if the CAS subject is not in a remember me mode

                 if (casToken.isRememberMe()) {

                     context.setAuthenticated(false);

                 }

             }

         }

         return super.createSubject(context);

     }

 }