* @package WordPress
* @subpackage Administration
*
- * @link http://codex.wordpress.org/AJAX_in_Plugins
+ * @link https://codex.wordpress.org/AJAX_in_Plugins
*/
/**
* @since 2.1.0
*/
define( 'DOING_AJAX', true );
-define( 'WP_ADMIN', true );
+if ( ! defined( 'WP_ADMIN' ) ) {
+ define( 'WP_ADMIN', true );
+}
+
+/** Load WordPress Bootstrap */
+require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
+
+/** Allow for cross-domain requests (from the frontend). */
+send_origin_headers();
// Require an action parameter
if ( empty( $_REQUEST['action'] ) )
die( '0' );
-/** Load WordPress Bootstrap */
-require_once( dirname( dirname( __FILE__ ) ) . '/wp-load.php' );
-
/** Load WordPress Administration APIs */
require_once( ABSPATH . 'wp-admin/includes/admin.php' );
@header( 'X-Robots-Tag: noindex' );
send_nosniff_header();
+nocache_headers();
+/** This action is documented in wp-admin/admin.php */
do_action( 'admin_init' );
$core_actions_get = array(
'oembed-cache', 'image-editor', 'delete-comment', 'delete-tag', 'delete-link',
'delete-meta', 'delete-post', 'trash-post', 'untrash-post', 'delete-page', 'dim-comment',
'add-link-category', 'add-tag', 'get-tagcloud', 'get-comments', 'replyto-comment',
- 'edit-comment', 'add-menu-item', 'add-meta', 'add-user', 'autosave', 'closed-postboxes',
+ 'edit-comment', 'add-menu-item', 'add-meta', 'add-user', 'closed-postboxes',
'hidden-columns', 'update-welcome-panel', 'menu-get-metabox', 'wp-link-ajax',
'menu-locations-save', 'menu-quick-search', 'meta-box-order', 'get-permalink',
'sample-permalink', 'inline-save', 'inline-save-tax', 'find_posts', 'widgets-order',
- 'save-widget', 'set-post-thumbnail', 'date_format', 'time_format', 'wp-fullscreen-save-post',
- 'wp-remove-post-lock', 'dismiss-wp-pointer', 'upload-attachment',
+ 'save-widget', 'delete-inactive-widgets', 'set-post-thumbnail', 'date_format', 'time_format',
+ 'wp-remove-post-lock', 'dismiss-wp-pointer', 'upload-attachment', 'get-attachment',
+ 'query-attachments', 'save-attachment', 'save-attachment-compat', 'send-link-to-editor',
+ 'send-attachment-to-editor', 'save-attachment-order', 'heartbeat', 'get-revision-diffs',
+ 'save-user-color-scheme', 'update-widget', 'query-themes', 'parse-embed', 'set-attachment-thumbnail',
+ 'parse-media-shortcode', 'destroy-sessions', 'install-plugin', 'update-plugin', 'press-this-save-post',
+ 'press-this-add-category', 'crop-image', 'generate-password', 'save-wporg-username',
);
+// Deprecated
+$core_actions_post[] = 'wp-fullscreen-save-post';
+
// Register core Ajax calls.
if ( ! empty( $_GET['action'] ) && in_array( $_GET['action'], $core_actions_get ) )
add_action( 'wp_ajax_' . $_GET['action'], 'wp_ajax_' . str_replace( '-', '_', $_GET['action'] ), 1 );
if ( ! empty( $_POST['action'] ) && in_array( $_POST['action'], $core_actions_post ) )
add_action( 'wp_ajax_' . $_POST['action'], 'wp_ajax_' . str_replace( '-', '_', $_POST['action'] ), 1 );
-add_action( 'wp_ajax_nopriv_autosave', 'wp_ajax_nopriv_autosave', 1 );
-
-if ( is_user_logged_in() )
- do_action( 'wp_ajax_' . $_REQUEST['action'] ); // Authenticated actions
-else
- do_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] ); // Non-admin actions
+add_action( 'wp_ajax_nopriv_heartbeat', 'wp_ajax_nopriv_heartbeat', 1 );
+if ( is_user_logged_in() ) {
+ /**
+ * Fires authenticated AJAX actions for logged-in users.
+ *
+ * The dynamic portion of the hook name, `$_REQUEST['action']`,
+ * refers to the name of the AJAX action callback being fired.
+ *
+ * @since 2.1.0
+ */
+ do_action( 'wp_ajax_' . $_REQUEST['action'] );
+} else {
+ /**
+ * Fires non-authenticated AJAX actions for logged-out users.
+ *
+ * The dynamic portion of the hook name, `$_REQUEST['action']`,
+ * refers to the name of the AJAX action callback being fired.
+ *
+ * @since 2.8.0
+ */
+ do_action( 'wp_ajax_nopriv_' . $_REQUEST['action'] );
+}
// Default status
die( '0' );