1 /**
2 * This file Copyright (c) 2003-2011 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.cms.security.auth.login;
35
36 import info.magnolia.cms.filters.AbstractMgnlFilter;
37 import info.magnolia.context.MgnlContext;
38 import info.magnolia.logging.AuditLoggingUtil;
39
40 import java.io.IOException;
41 import java.util.ArrayList;
42 import java.util.Collection;
43
44 import javax.servlet.FilterChain;
45 import javax.servlet.ServletException;
46 import javax.servlet.http.HttpServletRequest;
47 import javax.servlet.http.HttpServletResponse;
48
49 import org.slf4j.Logger;
50 import org.slf4j.LoggerFactory;
51
52 /**
53 * Performs a login operation. Calls all {@link LoginHandler login handlers} until one can handle the request.
54 * $Id: LoginFilter.java 45195 2011-05-18 09:20:53Z had $
55 */
56 public class LoginFilter extends AbstractMgnlFilter {
57
58 private static final Logger log = LoggerFactory.getLogger(LoginFilter.class);
59
60 private Collection<LoginHandler> loginHandlers = new ArrayList<LoginHandler>();
61
62 public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException {
63 for (LoginHandler handler : this.getLoginHandlers()) {
64 LoginResult loginResult = handler.handle(request, response);
65 LoginResult.setCurrentLoginResult(loginResult);
66 if (loginResult.getStatus() == LoginResult.STATUS_IN_PROCESS) {
67 // special handling to support multi step login mechanisms like ntlm
68 // do not continue with the filter chain
69 return;
70 } else if (loginResult.getStatus() == LoginResult.STATUS_SUCCEEDED) {
71 if(request.getSession(false) != null){
72 request.getSession().invalidate();
73 }
74 MgnlContext.login(loginResult.getUser());
75 // do not continue after successful login ... otherwise previous success will be invalidated by above session wipeout
76 break;
77 }
78 AuditLoggingUtil.log(loginResult, request);
79
80 }
81 // continue even if all login handlers failed
82 chain.doFilter(request, response);
83 }
84
85 public Collection<LoginHandler> getLoginHandlers() {
86 return loginHandlers;
87 }
88
89 public void setLoginHandlers(Collection<LoginHandler> loginHandlers) {
90 this.loginHandlers = loginHandlers;
91 }
92
93 public void addLoginHandlers(LoginHandler handler) {
94 this.loginHandlers.add(handler);
95 }
96
97
98
99 }