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Java > Open Source Codes > org > riotfamily > riot > security > session > AccessControlFilterPlugin


1 /* ***** BEGIN LICENSE BLOCK *****
2  * Version: MPL 1.1
3  * The contents of this file are subject to the Mozilla Public License Version
4  * 1.1 (the "License"); you may not use this file except in compliance with
5  * the License. You may obtain a copy of the License at
6  * http://www.mozilla.org/MPL/
7  *
8  * Software distributed under the License is distributed on an "AS IS" basis,
9  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10  * for the specific language governing rights and limitations under the
11  * License.
12  *
13  * The Original Code is Riot.
14  *
15  * The Initial Developer of the Original Code is
16  * Neteye GmbH.
17  * Portions created by the Initial Developer are Copyright (C) 2006
18  * the Initial Developer. All Rights Reserved.
19  *
20  * Contributor(s):
21  * Felix Gnass [fgnass at neteye dot de]
22  *
23  * ***** END LICENSE BLOCK ***** */
24 package org.riotfamily.riot.security.session;
25
26 import java.io.IOException JavaDoc;
27
28 import javax.servlet.ServletException JavaDoc;
29 import javax.servlet.http.HttpServletRequest JavaDoc;
30 import javax.servlet.http.HttpServletResponse JavaDoc;
31
32 import org.riotfamily.common.web.filter.FilterPlugin;
33 import org.riotfamily.common.web.filter.PluginChain;
34 import org.riotfamily.riot.security.auth.RiotUser;
35
36 /**
37  * Servlet filter that binds the authenticated user (if present) to the
38  * current thread.
39  *
40  * @see AccessController
41  */
42 public final class AccessControlFilterPlugin extends FilterPlugin {
43     public static final int ORDER = 0;
44     
45     public int getOrder() {
46         return ORDER;
47     }
48
49     public void setOrder(int order) {
50         throw new UnsupportedOperationException JavaDoc();
51     }
52
53     public void doFilter(HttpServletRequest JavaDoc request,
54         HttpServletResponse JavaDoc response, PluginChain pluginChain)
55         throws IOException JavaDoc, ServletException JavaDoc {
56         
57         try {
58             RiotUser user = LoginManager.getUser(request);
59             SecurityContext.bindUserToCurrentThread(user);
60             pluginChain.doFilter(request, response);
61         }
62         finally {
63             SecurityContext.resetUser();
64         }
65     }
66 }
67
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