Package org.exoplatform.portal.application

Source Code of org.exoplatform.portal.application.PortalLogoutLifecycle

/*
* Copyright (C) 2003-2009 eXo Platform SAS.
*
* 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.portal.application;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.exoplatform.container.ExoContainer;
import org.exoplatform.portal.mop.SiteType;
import org.exoplatform.portal.webui.util.Util;
import org.exoplatform.services.organization.OrganizationService;
import org.exoplatform.services.organization.User;
import org.exoplatform.services.organization.UserStatus;
import org.exoplatform.services.security.ConversationState;
import org.exoplatform.web.application.Application;
import org.exoplatform.web.application.ApplicationLifecycle;
import org.exoplatform.web.application.RequestFailure;
import org.exoplatform.web.login.LogoutControl;
import org.exoplatform.web.url.navigation.NavigationResource;
import org.exoplatform.web.url.navigation.NodeURL;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.gatein.wci.ServletContainerFactory;
import org.gatein.web.security.impersonation.ImpersonatedIdentity;

/**
* @author <a href="mailto:alain.defrance@exoplatform.com">Alain Defrance</a>
* @version $Revision$
*/
public class PortalLogoutLifecycle implements ApplicationLifecycle<WebuiRequestContext> {

    public void onInit(Application app) throws Exception {
    }

    public void onStartRequest(Application app, WebuiRequestContext context) throws Exception {
        LogoutControl.cancelLogout();

        String uid = context.getRemoteUser();
        User user = null;
        if (uid != null) {
            ExoContainer exoContainer = app.getApplicationServiceContainer();
            if (exoContainer != null) {
                OrganizationService organizationService = (OrganizationService) exoContainer
                        .getComponentInstanceOfType(OrganizationService.class);
                user = organizationService.getUserHandler().findUserByName(uid, UserStatus.ANY);
            }

            // If user is not existed OR disabled
            if (user == null || !user.isEnabled()) {
                // If we are in the middle of impersonation, we won't logout
                if (!(ConversationState.getCurrent().getIdentity() instanceof ImpersonatedIdentity)) {
                    logout(context);
                }
            }
        }
    }

    private void logout(WebuiRequestContext context) throws Exception {
        LogoutControl.wantLogout();
        PortalRequestContext prContext = (PortalRequestContext) context;
        NodeURL createURL = prContext.createURL(NodeURL.TYPE);
        createURL.setResource(new NavigationResource(SiteType.PORTAL, prContext.getPortalOwner(), null));
        prContext.sendRedirect(createURL.toString());
    }


    public void onFailRequest(Application app, WebuiRequestContext context, RequestFailure failureType) {
    }

    public void onEndRequest(Application app, WebuiRequestContext context) throws Exception {
        if (LogoutControl.isLogoutRequired()) {
            PortalRequestContext prContext = Util.getPortalRequestContext();
            HttpServletRequest request = prContext.getRequest();
            HttpServletResponse response = prContext.getResponse();

            if (request.getRemoteUser() != null) {
                ServletContainerFactory.getServletContainer().logout(request, response);
            }
        }
    }

    public void onDestroy(Application app) throws Exception {
    }
}
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