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1   /**
2    *
3    * Copyright 2003-2004 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  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.geronimo.security.jaas;
18  
19  import java.util.Map;
20  import java.util.Set;
21  import javax.security.auth.spi.LoginModule;
22  import javax.security.auth.Subject;
23  import javax.security.auth.DestroyFailedException;
24  import javax.security.auth.login.LoginException;
25  import javax.security.auth.callback.CallbackHandler;
26  
27  /**
28   * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
29   */
30  public class ConfiguredIdentityNamedUsernamePasswordLoginModule implements LoginModule {
31      public static final String CREDENTIAL_NAME = "org.apache.geronimo.jaas.NamedUsernamePasswordCredential.Name";
32      public static final String USER_NAME = "org.apache.geronimo.jaas.NamedUsernamePasswordCredential.Username";
33      public static final String PASSWORD = "org.apache.geronimo.jaas.NamedUsernamePasswordCredential.Password";
34  
35      private Subject subject;
36      private NamedUsernamePasswordCredential namedUsernamePasswordCredential;
37  
38      public void initialize(Subject subject, CallbackHandler callbackHandler, Map sharedState, Map options) {
39          this.subject = subject;
40          String name = (String) options.get(CREDENTIAL_NAME);
41          String username = (String) options.get(USER_NAME);
42          String password = (String) options.get(PASSWORD);
43          namedUsernamePasswordCredential = new NamedUsernamePasswordCredential(username, password.toCharArray(), name);
44      }
45  
46      public boolean login() throws LoginException {
47          return true;
48      }
49  
50      public boolean commit() throws LoginException {
51          if (subject.isReadOnly()) {
52              throw new LoginException("Subject is ReadOnly");
53          }
54  
55          Set pvtCreds = subject.getPrivateCredentials();
56          if (namedUsernamePasswordCredential != null && !pvtCreds.contains(namedUsernamePasswordCredential)) {
57              pvtCreds.add(namedUsernamePasswordCredential);
58          }
59          return true;
60      }
61  
62      public boolean abort() throws LoginException {
63          return logout();
64      }
65  
66      public boolean logout() throws LoginException {
67          if (namedUsernamePasswordCredential == null) {
68              return true;
69          }
70  
71          Set pvtCreds = subject.getPrivateCredentials(UsernamePasswordCredential.class);
72          if (pvtCreds.contains(namedUsernamePasswordCredential)) {
73              pvtCreds.remove(namedUsernamePasswordCredential);
74          }
75  
76          try {
77              namedUsernamePasswordCredential.destroy();
78          } catch (DestroyFailedException e) {
79              // do nothing
80          }
81          namedUsernamePasswordCredential = null;
82  
83          return true;
84      }
85  }