/**
    * This file Copyright (c) 2007-2010 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    * 
    * 
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License. 
    * You may elect to use one or the other of these licenses.
    * 
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   * 
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   * 
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   * 
   * Any modifications to this file must keep this entire header
   * intact.
   * 
   */
  package info.magnolia.setup.for3_5;
  
  import info.magnolia.cms.beans.config.ContentRepository;
  import info.magnolia.cms.core.Content;
  import info.magnolia.cms.security.UserManager;
  import info.magnolia.cms.util.NodeDataUtil;
  import info.magnolia.module.InstallContext;
  import info.magnolia.module.delta.AddURIPermissionTask;
  import info.magnolia.module.delta.AllChildrenNodesOperation;
  import info.magnolia.module.delta.ArrayDelegateTask;
  import info.magnolia.module.delta.Task;
  import info.magnolia.module.delta.TaskExecutionException;
  
  import java.util.LinkedHashMap;
  
  import javax.jcr.RepositoryException;
  
  
  /**
   * Checks for modifications between current secureURI configuration and the 3.0 default configuration.
   * Modified secureURIs are added as URI permissions to the anonymous user URI ACLs. <strong>If the default
   * secured URIs ("root" and "admininterface") had been removed, they are re-added (by means of the default
   * anonymous role's new permissions)
   * 
   * @author vsteller
   * @version $Id: CheckAndUpdateSecureURIs.java 32667 2010-03-13 00:37:06Z gjoseph $
   */
  public class CheckAndUpdateSecureURIs extends AllChildrenNodesOperation implements Task {
  
      private static final String PROPERTY_URI = "URI";
      private final LinkedHashMap secureURIs30 = new LinkedHashMap();
      private final ArrayDelegateTask subtasks;
      
      public CheckAndUpdateSecureURIs(String existingSecureURIs) {
          super("Secure URIs", "Backs up and removes secure ", ContentRepository.CONFIG, existingSecureURIs);
          subtasks = new ArrayDelegateTask("Secure URI transformations");
          
          // setup secureURIs from latest Magnolia 3.0.x installation
          secureURIs30.put("root", "/*");
          secureURIs30.put("admininterface", "/.magnolia*");
      }
      
      public void execute(InstallContext installContext) throws TaskExecutionException {
          super.execute(installContext);
          subtasks.execute(installContext);
      }
  
      protected void operateOnChildNode(Content node, InstallContext ctx) throws RepositoryException,
          TaskExecutionException {
          final String secureURIName = node.getName();
          final String secureURI = NodeDataUtil.getString(node, PROPERTY_URI);
  
          // ignore secureURIs from the secureURIs30 map
          if (!secureURIs30.containsKey(secureURIName) || !((String) secureURIs30.get(secureURIName)).equals(secureURI)) {
              subtasks.addTask(new AddURIPermissionTask("Permissions", "Transform secure URI " + secureURI + " to permission of anonymous role", UserManager.ANONYMOUS_USER, secureURI, AddURIPermissionTask.DENY));
              ctx.info("Existing configuration of secureURIList was modified. Magnolia put a backup in " + node.getHandle() + " and will add an URI restriction for the URI '" + secureURI + "' to the anonymous role.");
          }
      }
  }