libreccm/ccm-cms/src/main/java/org/librecms/pages/PagesServlet.java

97 lines
3.3 KiB
Java

/*
* Copyright (C) 2017 LibreCCM Foundation.
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
package org.librecms.pages;
import com.arsdigita.cms.ui.pages.PagesAdminPage;
import com.arsdigita.templating.PresentationManager;
import com.arsdigita.templating.Templating;
import com.arsdigita.web.BaseApplicationServlet;
import com.arsdigita.web.LoginSignal;
import com.arsdigita.xml.Document;
import org.apache.shiro.authz.AuthorizationException;
import org.libreccm.security.PermissionChecker;
import org.libreccm.security.Shiro;
import org.libreccm.web.ApplicationRepository;
import org.libreccm.web.CcmApplication;
import java.io.IOException;
import javax.inject.Inject;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet for the Admin UI for pages a {@link /ccm/{primaryUrl}}. The admin UI
* itself is implemented by {@link PagesAdminPage}.
*
* @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
*/
@WebServlet(urlPatterns = {"/templates/servlet/pages/*"})
public class PagesServlet extends BaseApplicationServlet {
private static final long serialVersionUID = -303317198251922697L;
@Inject
private ApplicationRepository applicationRepo;
@Inject
private PagesRepository pagesRepo;
@Inject
private PermissionChecker permissionChecker;
@Inject
private Shiro shiro;
@Override
protected void doService(final HttpServletRequest request,
final HttpServletResponse response,
final CcmApplication application)
throws ServletException, IOException {
if (!shiro.getSubject().isAuthenticated()) {
throw new LoginSignal(request);
}
if (!permissionChecker.isPermitted(PagesPrivileges.ADMINISTER_PAGES)) {
throw new AuthorizationException("The current user is not "
+ "permitted to administer pages.");
}
final PagesAdminPage page = new PagesAdminPage();
if (!(application instanceof Pages)) {
throw new ServletException(
"Provided application is not an instance of Pages");
}
page.setPagesInstance((Pages) application);
final Document document = page.buildDocument(request, response);
final PresentationManager presentationManager = Templating
.getPresentationManager();
presentationManager.servePage(document, request, response);
}
}