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Java > Open Source Codes > org > jboss > web > tomcat > security > CustomPrincipalValve


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
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,
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.web.tomcat.security;
23
24 import java.io.IOException JavaDoc;
25 import java.security.Principal JavaDoc;
26 import javax.servlet.ServletException JavaDoc;
27
28 import org.apache.catalina.connector.Request;
29 import org.apache.catalina.connector.Response;
30 import org.apache.catalina.valves.ValveBase;
31
32 /** A valve that associates the Principal as obtained from the authentication
33  * layer with the request. This allows any custom principal established by
34  * the authentication layer to be seen by the web app.
35  *
36  * @deprecated this should be removed now that the tomcat GenericPrincipal
37  * supports a custom user principal.
38  *
39  * @author Scott.Stark@jboss.org
40  * @version $Revision: 43335 $
41  */
42 public class CustomPrincipalValve
43    extends ValveBase
44 {
45    public void invoke(Request request, Response response)
46       throws IOException JavaDoc, ServletException JavaDoc
47    {
48       Principal JavaDoc user = request.getUserPrincipal();
49       if( user instanceof JBossGenericPrincipal )
50       {
51          // Restore the actual principal to the request
52 JBossGenericPrincipal guser = (JBossGenericPrincipal) user;
53          Principal JavaDoc realUser = guser.getCallerPrincipal();
54          request.setUserPrincipal(realUser);
55       }
56
57       getNext().invoke(request, response);
58    }
59 }
60
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