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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.shiro.cas;
20  
21  import org.apache.shiro.authc.AuthenticationToken;
22  import org.apache.shiro.subject.Subject;
23  import org.apache.shiro.subject.SubjectContext;
24  import org.apache.shiro.web.mgt.DefaultWebSubjectFactory;
25  
26  /**
27   * {@link org.apache.shiro.mgt.SubjectFactory Subject} implementation to be used in CAS-enabled applications.
28   *
29   * @since 1.2
30   */
31  public class CasSubjectFactory extends DefaultWebSubjectFactory {
32  
33      @Override
34      public Subject createSubject(SubjectContext context) {
35  
36          //the authenticated flag is only set by the SecurityManager after a successful authentication attempt.
37          boolean authenticated = context.isAuthenticated();
38  
39          //although the SecurityManager 'sees' the submission as a successful authentication, in reality, the
40          //login might have been just a CAS rememberMe login.  If so, set the authenticated flag appropriately:
41          if (authenticated) {
42  
43              AuthenticationToken token = context.getAuthenticationToken();
44  
45              if (token != null && token instanceof CasToken) {
46                  CasToken casToken = (CasToken) token;
47                  // set the authenticated flag of the context to true only if the CAS subject is not in a remember me mode
48                  if (casToken.isRememberMe()) {
49                      context.setAuthenticated(false);
50                  }
51              }
52          }
53  
54          return super.createSubject(context);
55      }
56  }