ActiveAuthenticationIdentityProviderImpl xref

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1   /*
2   * Licensed to the Apache Software Foundation (ASF) under one or more
3   * contributor license agreements.  See the NOTICE file distributed with
4   * this work for additional information regarding copyright ownership.
5   * The ASF licenses this file to You under the Apache License, Version 2.0
6   * (the "License"); you may not use this file except in compliance with
7   * the License.  You may obtain a copy of the License at
8   *
9   *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17  package org.apache.jetspeed.security.activeauthentication;
18  
19  import java.util.List;
20  
21  import org.apache.jetspeed.cache.CacheElement;
22  import org.apache.jetspeed.cache.JetspeedCache;
23  
24  /***
25   * <p>
26   * AuthenticationCacheBeanImpl
27   * </p>
28   * <p>
29   * Short-lived cache implementation to bridge deficiencies in Java Login Modules and general Active Authentication patterns
30   * based on Java login modules. Caches Authentication information across redirects, requests, and threads. The life-time
31   * of this cached authentication information is meant to be very short lived. 
32   * </p>
33   * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
34   * @version $Id: $
35   *
36   */
37  public class ActiveAuthenticationIdentityProviderImpl implements ActiveAuthenticationIdentityProvider
38  {
39      JetspeedCache cache;
40      List sessionAttributes;
41      
42      public ActiveAuthenticationIdentityProviderImpl(JetspeedCache cache, List sessionAttributes)
43      {
44          this.cache = cache;
45          this.sessionAttributes = sessionAttributes;
46      }
47      
48      public IdentityToken createIdentityToken(String seed)
49      {
50          String token = seed + "-" + String.valueOf(System.currentTimeMillis());
51          return createToken(token);        
52      }
53  
54      public IdentityToken createIdentityToken()
55      {
56          String token = String.valueOf(System.currentTimeMillis());
57          return createToken(token);
58      }
59  
60      private IdentityToken createToken(String token)
61      {
62          IdentityToken identityToken = new IdentityTokenImpl(token);
63          CacheElement element = cache.createElement(token, identityToken);        
64          cache.put(element);
65          return identityToken;        
66      }
67      
68      public void completeAuthenticationEvent(String token)
69      {
70          cache.remove(token);
71      }
72      
73      public List getSessionAttributeNames()
74      {
75          return this.sessionAttributes;
76      }
77      
78  }