Author: sohil.shah(a)jboss.com Date: 2010-04-04 16:02:57 -0400 (Sun, 04 Apr 2010) New Revision: 2471 Added: components/sso/trunk/agent/src/main/java/org/gatein/sso/agent/filter/JOSSOLogoutFilter.java Log: Adding support for JOSSO Logout Added: components/sso/trunk/agent/src/main/java/org/gatein/sso/agent/filter/JOSSOLogoutFilter.java =================================================================== --- components/sso/trunk/agent/src/main/java/org/gatein/sso/agent/filter/JOSSOLogoutFilter.java (rev 0) +++ components/sso/trunk/agent/src/main/java/org/gatein/sso/agent/filter/JOSSOLogoutFilter.java 2010-04-04 20:02:57 UTC (rev 2471) @@ -0,0 +1,118 @@ +/* +* JBoss, a division of Red Hat +* Copyright 2006, Red Hat Middleware, LLC, and individual contributors as indicated +* by the @authors tag. See the copyright.txt in the distribution for a +* full listing of individual contributors. +* +* This is free software; you can redistribute it and/or modify it +* under the terms of the GNU Lesser General Public License as +* published by the Free Software Foundation; either version 2.1 of +* the License, or (at your option) any later version. +* +* This software is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this software; if not, write to the Free +* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +* 02110-1301 USA, or see the FSF site: http://www.fsf.org. +*/ +package org.gatein.sso.agent.filter; + +import java.io.IOException; +import java.net.URLEncoder; + +import javax.servlet.Filter; +import javax.servlet.FilterChain; +import javax.servlet.FilterConfig; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +//Works for GateIn Portal Logout URL = {AnyURL}?portal:componentId=UIPortal&portal:action=Logout + +/** + * Usage: + * + * Add the following to portal.war/WEB-INF/web.xml + * + * <filter> + * <filter-name>JOSSOLogoutFilter</filter-name> + * <filter-class>org.gatein.sso.agent.filter.SSOLogoutFilter</filter-class> + * <init-param> + * <!-- This should point to your JOSSO authentication server --> + * <param-name>JOSSO_LOGOUT_URL</param-name> + * <param-value>http://localhost:8888/josso/signon/logout.do</param-value> + * </init-param> + * </filter> + * + * <filter-mapping> + * <filter-name>JOSSOLogoutFilter</filter-name> + * <url-pattern>/*</url-pattern> + * </filter-mapping> + * + * + * + */ + + +/** + * @author <a href="mailto:sshah@redhat.com">Sohil Shah</a> + */ +public class JOSSOLogoutFilter implements Filter +{ + private String jossoLogoutUrl; + + public void init(FilterConfig config) throws ServletException + { + this.jossoLogoutUrl = config.getInitParameter("JOSSO_LOGOUT_URL"); + } + + public void destroy() + { + } + + public void doFilter(ServletRequest request, ServletResponse response, + FilterChain chain) throws IOException, ServletException + { + HttpServletRequest httpRequest = (HttpServletRequest)request; + HttpServletResponse httpResponse = (HttpServletResponse)response; + + boolean isLogoutInProgress = this.isLogoutInProgress(httpRequest); + + if(isLogoutInProgress) + { + + if(httpRequest.getSession().getAttribute("SSO_LOGOUT_FLAG") == null) + { + httpRequest.getSession().setAttribute("SSO_LOGOUT_FLAG", Boolean.TRUE); + String parameters = URLEncoder.encode("portal:componentId=UIPortal&portal:action=Logout", "UTF-8"); + httpResponse.sendRedirect(jossoLogoutUrl+"?josso_back_to="+httpRequest.getRequestURL()+"?"+parameters); + return; + } + else + { + //clear the LOGOUT flag + httpRequest.getSession().removeAttribute("SSO_LOGOUT_FLAG"); + } + } + + chain.doFilter(request, response); + } + + private boolean isLogoutInProgress(HttpServletRequest request) + { + String action = request.getParameter("portal:action"); + + if(action != null && action.equals("Logout")) + { + return true; + } + + return false; + } +}