/**
* The contents of this file are subject to the license and copyright
* detailed in the LICENSE and NOTICE files at the root of the source
* tree and available online at
*
* http://www.dspace.org/license/
*/
package org.dspace.app.xmlui.aspect.eperson;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.acting.AbstractAction;
import org.apache.cocoon.environment.Redirector;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.cocoon.environment.http.HttpEnvironment;
import org.dspace.app.xmlui.utils.AuthenticationUtil;
import org.dspace.app.xmlui.utils.ContextUtil;
import org.dspace.core.ConfigurationManager;
import org.dspace.core.Context;
import org.dspace.eperson.EPerson;
/**
* Unauthenticate the current user. There is no way this action will fail,
* so any components inside the action will be executed.
*
* This action will always send an HTTP redirect to the DSpace homepage.
*
* Example:
*
* <map:action name="UnAuthenticateAction" src="org.dspace.app.xmlui.eperson.UnAuthenticateAction"/>
*
* <map:act type="UnAuthenticateAction">
* <map:serialize type="xml"/>
* </map:act>
*
* @author Scott Phillips
*/
public class UnAuthenticateAction extends AbstractAction
{
/**
* Logout the current user.
*
* @param redirector
* @param resolver
* @param objectModel
* Cocoon's object model
* @param source
* @param parameters
*/
public Map act(Redirector redirector, SourceResolver resolver, Map objectModel,
String source, Parameters parameters) throws Exception
{
Context context = ContextUtil.obtainContext(objectModel);
final HttpServletRequest httpRequest =
(HttpServletRequest) objectModel.get(HttpEnvironment.HTTP_REQUEST_OBJECT);
final HttpServletResponse httpResponse =
(HttpServletResponse) objectModel.get(HttpEnvironment.HTTP_RESPONSE_OBJECT);
EPerson eperson = context.getCurrentUser();
// Actually log the user out.
AuthenticationUtil.logOut(context,httpRequest);
// Set the user as logged in for the rest of this request so that the cache does not get spoiled.
context.setCurrentUser(eperson);
// Forward the user to the home page.
if((ConfigurationManager.getBooleanProperty("xmlui.public.logout")) && (httpRequest.isSecure())) {
StringBuffer location = new StringBuffer("http://");
location.append(ConfigurationManager.getProperty("dspace.hostname")).append(
httpRequest.getContextPath());
httpResponse.sendRedirect(location.toString());
}
else{
httpResponse.sendRedirect(httpRequest.getContextPath());
}
return new HashMap();
}
}