SecurityClientInterceptor


1   /*
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3     * Copyright 2005, JBoss Inc., and individual contributors as indicated
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5     * full listing of individual contributors.
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7     * This is free software; you can redistribute it and/or modify it
8     * under the terms of the GNU Lesser General Public License as
9     * published by the Free Software Foundation; either version 2.1 of
10    * the License, or (at your option) any later version.
11    *
12    * This software is distributed in the hope that it will be useful,
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14    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15    * Lesser General Public License for more details.
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21    */
22  package org.jboss.aspects.security;
23  
24  import java.security.Principal  ;
25  import java.io.ObjectStreamException  ;
26  
27  /** 
28   * The AuthenticationInterceptor authenticates the caller.
29   *
30   * @author <a HREF="bill@jboss.org">Bill Burke</a>
31   * @version $Revision: 46061 $
32   */
33  public final class SecurityClientInterceptor implements org.jboss.aop.advice.Interceptor, java.io.Serializable  
34  {
35     private static final long serialVersionUID = -6366165968174741107L;
36  
37     public static final SecurityClientInterceptor singleton = new SecurityClientInterceptor();
38     public String   getName() { return "SecurityClientInterceptor"; }
39  
40     /**
41      * Authenticates the caller using the principal and credentials in the 
42      * Infocation if thre is a security manager and an invcocation method.
43      */
44     public Object   invoke(org.jboss.aop.joinpoint.Invocation invocation) throws Throwable  
45     {
46        // Get Principal and credentials 
47        Principal   principal = SecurityActions.getPrincipal();
48        if (principal != null) invocation.getMetaData().addMetaData("security", "principal", principal);
49  
50        Object   credential = SecurityActions.getCredential();
51        if (credential != null) invocation.getMetaData().addMetaData("security", "credential", credential);
52        
53        return invocation.invokeNext();
54     }
55  
56     Object   readResolve() throws ObjectStreamException   {
57        return singleton;
58     }
59  }
60
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