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 /*
  * JBoss, a division of Red Hat
  * Copyright 2010, Red Hat Middleware, 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.exoplatform.web.login;
import  org.jboss.web.tomcat.security.login.WebAuthentication;

Deprecated:
This filter is no longer needed. Cluster SSO is handled by JBoss AS ClusteredValve and PortalClusteredSSOSupportValve Filter class should be removed in the future together with PortalLoginModule
Author(s):
Boleslaw Dawidowicz
public class ClusteredSSOFilter extends AbstractFilter {
    public void doFilter(ServletRequest requestServletResponse responseFilterChain chainthrows IOException,
            ServletException {
        if (ExoContainer.getProfiles().contains("cluster")) {
            HttpServletRequest httpRequest = (HttpServletRequestrequest;
            Credentials credentials = (CredentialshttpRequest.getSession().getAttribute(
                    .);
            // Make programatic login if authenticated credentials are present in session - they were set in another cluster
            // node
            if (credentials != null && httpRequest.getRemoteUser() == null) {
                WebAuthentication pwl = new WebAuthentication();
                pwl.login(credentials.getUsername(), credentials.getPassword());
            }
            chain.doFilter(requestresponse);
            // TODO:
            // This is a workaround... without this code this attr will vanish from session after first request - don't ask...
            if (credentials != null && httpRequest.getSession(false) != null) {
                httpRequest.getSession(false).setAttribute(.credentials);
            }
        } else {
            chain.doFilter(requestresponse);
        }
    }
    public void destroy() {
    }
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