JaasLoginModuleConfiguration


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.io.Externalizable  ;
20  import java.io.Serializable  ;
21  import java.rmi.Remote  ;
22  import java.util.HashMap  ;
23  import java.util.Iterator  ;
24  import java.util.Map  ;
25  import javax.security.auth.spi.LoginModule  ;
26  
27  import org.apache.geronimo.common.GeronimoSecurityException;
28  
29  /**
30   * Describes the configuration of a LoginModule -- its name, class, control
31   * flag, options, and the Geronimo extension for whether it should run on
32   * the client side or server side.
33   *
34   * @version $Rev: 46019 $ $Date: 2004-09-14 05:56:06 -0400 (Tue, 14 Sep 2004) $
35   */
36  public class JaasLoginModuleConfiguration implements Serializable   {
37      private boolean serverSide;
38      private String   loginDomainName;
39      private LoginModuleControlFlag flag;
40      private String   loginModuleName;
41      private Map   options;
42      private transient LoginModule   loginModule;
43  
44      public JaasLoginModuleConfiguration(String   loginModuleName, LoginModuleControlFlag flag, Map   options, boolean serverSide, String   loginDomainName) {
45          this.serverSide = serverSide;
46          this.flag = flag;
47          this.loginModuleName = loginModuleName;
48          this.options = options;
49          this.loginDomainName = loginDomainName;
50      }
51      public JaasLoginModuleConfiguration(String   loginModuleName, LoginModuleControlFlag flag, Map   options, boolean serverSide) {
52          this(loginModuleName, flag, options, serverSide, null);
53      }
54  
55      public String   getLoginModuleClassName() {
56          return loginModuleName;
57      }
58  
59      public LoginModule   getLoginModule(ClassLoader   loader) throws GeronimoSecurityException {
60          if(loginModule == null) {
61              try {
62                  loginModule = (LoginModule  ) loader.loadClass(loginModuleName).newInstance();
63              } catch (Exception   e) {
64                  throw new GeronimoSecurityException("Unable to instantiate login module", e);
65              }
66          }
67          return loginModule;
68      }
69  
70      public boolean isServerSide() {
71          return serverSide;
72      }
73  
74      public LoginModuleControlFlag getFlag() {
75          return flag;
76      }
77  
78      public Map   getOptions() {
79          return options;
80      }
81  
82      public String   getLoginDomainName() {
83          return loginDomainName;
84      }
85  
86      /**
87       * Strips out stuff that isn't serializable so this can be safely passed to
88       * a remote server.
89       */
90      public JaasLoginModuleConfiguration getSerializableCopy() {
91          Map   other = new HashMap  ();
92          for (Iterator   it = options.keySet().iterator(); it.hasNext();) {
93              String   key = (String  ) it.next();
94              Object   value = options.get(key);
95              if(value instanceof Serializable   || value instanceof Externalizable   || value instanceof Remote  ) {
96                  other.put(key, value);
97              }
98          }
99  
100         return new JaasLoginModuleConfiguration(loginModuleName, flag, other, serverSide, loginDomainName);
101     }
102 }
103
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