/*
* 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.exoplatform.container.ExoContainer;
import org.exoplatform.container.web.AbstractFilter;
import org.exoplatform.web.security.Credentials;
import org.exoplatform.web.security.PortalLoginModule;
import org.jboss.web.tomcat.security.login.WebAuthentication;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
/*
* @author <a href="mailto:boleslaw.dawidowicz at redhat.com">Boleslaw Dawidowicz</a>
*/
public class ClusteredSSOFilter extends AbstractFilter
{
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException
{
if (ExoContainer.getProfiles().contains("cluster"))
{
HttpServletRequest httpRequest = (HttpServletRequest)request;
Credentials credentials = (Credentials)httpRequest.getSession().getAttribute(PortalLoginModule.AUTHENTICATED_CREDENTIALS);
// 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(request, response);
// 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(PortalLoginModule.AUTHENTICATED_CREDENTIALS, credentials);
}
}
else
{
chain.doFilter(request, response);
}
}
public void destroy()
{
}
}