01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * 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,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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: 57186 $
32: */
33: public final class SecurityClientInterceptor implements
34: org.jboss.aop.advice.Interceptor, java.io.Serializable {
35: private static final long serialVersionUID = -6366165968174741107L;
36:
37: public static final SecurityClientInterceptor singleton = new SecurityClientInterceptor();
38:
39: public String getName() {
40: return "SecurityClientInterceptor";
41: }
42:
43: /**
44: * Authenticates the caller using the principal and credentials in the
45: * Infocation if thre is a security manager and an invcocation method.
46: */
47: public Object invoke(org.jboss.aop.joinpoint.Invocation invocation)
48: throws Throwable {
49: // Get Principal and credentials
50: Principal principal = SecurityActions.getPrincipal();
51: if (principal != null)
52: invocation.getMetaData().addMetaData("security",
53: "principal", principal);
54:
55: Object credential = SecurityActions.getCredential();
56: if (credential != null)
57: invocation.getMetaData().addMetaData("security",
58: "credential", credential);
59:
60: return invocation.invokeNext();
61: }
62:
63: Object readResolve() throws ObjectStreamException {
64: return singleton;
65: }
66: }
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