/**
    * This file Copyright (c) 2003-2018 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.initial;
  
  import info.magnolia.cms.core.Content;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.module.InstallContext;
  import info.magnolia.module.delta.AllChildrenNodesOperation;
  import info.magnolia.module.delta.TaskExecutionException;
  import info.magnolia.repository.RepositoryConstants;
  
  import javax.jcr.RepositoryException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Adds URI permissions to all roles.
   */
  public class AddURIPermissionsToAllRoles extends AllChildrenNodesOperation {
      private static final int ALLOW_ALL = 63;
      private static final int DENY = 0;
  
      private final boolean isAuthorInstance;
  
      private static Logger log = LoggerFactory.getLogger(AllChildrenNodesOperation.class);
  
      public AddURIPermissionsToAllRoles(boolean isAuthorInstance) {
          super("URI permissions", "Introduction of URI-based security. All existing roles will have GET/POST permissions on /*.", RepositoryConstants.USER_ROLES, "/", new Content.ContentFilter() {
              @Override
              public boolean accept(Content content) {
                  try {
                      final String itemType = content.getItemType().getSystemName();
                      // TODO reconsider after 3.5 final: is ItemType.ROLE enough here?
                      return itemType.startsWith("mgnl:") && !itemType.equals(NodeTypes.MetaData.NAME);
                  } catch (RepositoryException e) {
                      log.error("Unable to read itemtype for node {}", content.getHandle());
                      return false;
                  }
              }
  
          });
          this.isAuthorInstance = isAuthorInstance;
      }
  
      @Override
      protected void operateOnChildNode(Content node, InstallContext ctx) throws RepositoryException, TaskExecutionException {
          final Content uriPermissionsNode = node.createContent("acl_uri", NodeTypes.ContentNode.NAME);
          if ("anonymous".equals(node.getName())) {
              if (isAuthorInstance) {
                  addPermission(uriPermissionsNode, "0", "/*", DENY);
              } else {
                  addPermission(uriPermissionsNode, "0", "/*", ALLOW_ALL);
                  addPermission(uriPermissionsNode, "00", "/.magnolia", DENY);
                  addPermission(uriPermissionsNode, "01", "/.magnolia/*", DENY);
              }
          } else {
              addPermission(uriPermissionsNode, "0", "/*", ALLOW_ALL);
          }
      }
  
      private void addPermission(Content uriRepoNode, String permNodeName, String path, long value) throws RepositoryException {
          final Content permNode = uriRepoNode.createContent(permNodeName, NodeTypes.ContentNode.NAME);
          permNode.createNodeData("path", path);
          permNode.createNodeData("permissions", Long.valueOf(value));
      }
  }