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   1  <?php
   2  /**
   3   * WordPress AJAX Process Execution.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   *
   8   * @link http://codex.wordpress.org/AJAX_in_Plugins
   9   */
  10  
  11  /**
  12   * Executing AJAX process.
  13   *
  14   * @since 2.1.0
  15   */
  16  define( 'DOING_AJAX', true );
  17  define( 'WP_ADMIN', true );
  18  
  19  // Require an action parameter
  20  if ( empty( $_REQUEST['action'] ) )
  21      die( '0' );
  22  
  23  /** Load WordPress Bootstrap */
  24  require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
  25  
  26  /** Load WordPress Administration APIs */
  27  require_once ( ABSPATH . 'wp-admin/includes/admin.php' );
  28  
  29  /** Load Ajax Handlers for WordPress Core */
  30  require_once ( ABSPATH . 'wp-admin/includes/ajax-actions.php' );
  31  
  32  @header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) );
  33  @header( 'X-Robots-Tag: noindex' );
  34  
  35  send_nosniff_header();
  36  
  37  do_action( 'admin_init' );
  38  
  39  $core_actions_get = array(
  40      'fetch-list', 'ajax-tag-search', 'wp-compression-test', 'imgedit-preview', 'oembed-cache',
  41      'autocomplete-user', 'autocomplete-site', 'dashboard-widgets',
  42  );
  43  
  44  $core_actions_post = array(
  45      'oembed-cache', 'image-editor', 'delete-comment', 'delete-tag', 'delete-link',
  46      'delete-meta', 'delete-post', 'trash-post', 'untrash-post', 'delete-page', 'dim-comment',
  47      'add-link-category', 'add-tag', 'get-tagcloud', 'get-comments', 'replyto-comment',
  48      'edit-comment', 'add-menu-item', 'add-meta', 'add-user', 'autosave', 'closed-postboxes',
  49      'hidden-columns', 'update-welcome-panel', 'menu-get-metabox', 'wp-link-ajax',
  50      'menu-locations-save', 'menu-quick-search', 'meta-box-order', 'get-permalink',
  51      'sample-permalink', 'inline-save', 'inline-save-tax', 'find_posts', 'widgets-order',
  52      'save-widget', 'set-post-thumbnail', 'date_format', 'time_format', 'wp-fullscreen-save-post',
  53      'wp-remove-post-lock', 'dismiss-wp-pointer', 'upload-attachment',
  54  );
  55  
  56  // Register core Ajax calls.
  57  if ( ! empty( $_GET['action'] ) && in_array( $_GET['action'], $core_actions_get ) )
  58      add_action( 'wp_ajax_' . $_GET['action'], 'wp_ajax_' . str_replace( '-', '_', $_GET['action'] ), 1 );
  59  
  60  if ( ! empty( $_POST['action'] ) && in_array( $_POST['action'], $core_actions_post ) )
  61      add_action( 'wp_ajax_' . $_POST['action'], 'wp_ajax_' . str_replace( '-', '_', $_POST['action'] ), 1 );
  62  
  63  add_action( 'wp_ajax_nopriv_autosave', 'wp_ajax_nopriv_autosave', 1 );
  64  
  65  if ( is_user_logged_in() )
  66      do_action( 'wp_ajax_' . $_REQUEST['action'] ); // Authenticated actions
  67  else
  68      do_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] ); // Non-admin actions
  69  
  70  // Default status
  71  die( '0' );