JezK
Edit File: admin-ajax.php
<?php /** * WordPress Ajax Process Execution * * @package WordPress * @subpackage Administration * * @link https://codex.wordpress.org/AJAX_in_Plugins */ /** * Executing Ajax process. * * @since 2.1.0 */ define( 'DOING_AJAX', true ); if ( ! defined( 'WP_ADMIN' ) ) { define( 'WP_ADMIN', true ); } /** Load WordPress Bootstrap */ require_once dirname( __DIR__ ) . '/wp-load.php'; /** Allow for cross-domain requests (from the front end). */ send_origin_headers(); header( 'Content-Type: text/html; charset=' . get_option( 'blog_charset' ) ); header( 'X-Robots-Tag: noindex' ); // Require an action parameter. if ( empty( $_REQUEST['action'] ) ) { wp_die( '0', 400 ); } /** Load WordPress Administration APIs */ require_once ABSPATH . 'wp-admin/includes/admin.php'; /** Load Ajax Handlers for WordPress Core */ require_once ABSPATH . 'wp-admin/includes/ajax-actions.php'; send_nosniff_header(); nocache_headers(); /** This action is documented in wp-admin/admin.php */ do_action( 'admin_init' ); $core_actions_get = array( 'fetch-list', 'ajax-tag-search', 'wp-compression-test', 'imgedit-preview', 'oembed-cache', 'autocomplete-user', 'dashboard-widgets', 'logged-in', 'rest-nonce', ); $core_actions_post = 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', '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', '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', 'media-create-image-subsizes', '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', 'crop-image', 'generate-password', 'save-wporg-username', 'delete-plugin', 'search-plugins', 'search-install-plugins', 'activate-plugin', 'update-theme', 'delete-theme', 'install-theme', 'get-post-thumbnail-html', 'get-community-events', 'edit-theme-plugin-file', 'wp-privacy-export-personal-data', 'wp-privacy-erase-personal-data', 'health-check-site-status-result', 'health-check-dotorg-communication', 'health-check-is-in-debug-mode', 'health-check-background-updates', 'health-check-loopback-requests', 'health-check-get-sizes', 'toggle-auto-updates', ); // Deprecated. $core_actions_post_deprecated = array( 'wp-fullscreen-save-post', 'press-this-save-post', 'press-this-add-category', 'health-check-dotorg-communication', 'health-check-is-in-debug-mode', 'health-check-background-updates', 'health-check-loopback-requests', ); $core_actions_post = array_merge( $core_actions_post, $core_actions_post_deprecated ); // Register core Ajax calls. if ( ! empty( $_GET['action'] ) && in_array( $_GET['action'], $core_actions_get, true ) ) { add_action( 'wp_ajax_' . $_GET['action'], 'wp_ajax_' . str_replace( '-', '_', $_GET['action'] ), 1 ); } if ( ! empty( $_POST['action'] ) && in_array( $_POST['action'], $core_actions_post, true ) ) { add_action( 'wp_ajax_' . $_POST['action'], 'wp_ajax_' . str_replace( '-', '_', $_POST['action'] ), 1 ); } add_action( 'wp_ajax_nopriv_heartbeat', 'wp_ajax_nopriv_heartbeat', 1 ); $action = ( isset( $_REQUEST['action'] ) ) ? $_REQUEST['action'] : ''; if ( is_user_logged_in() ) { // If no action is registered, return a Bad Request response. if ( ! has_action( "wp_ajax_{$action}" ) ) { wp_die( '0', 400 ); } /** * Fires authenticated Ajax actions for logged-in users. * * The dynamic portion of the hook name, `$action`, refers * to the name of the Ajax action callback being fired. * * @since 2.1.0 */ do_action( "wp_ajax_{$action}" ); } else { // If no action is registered, return a Bad Request response. if ( ! has_action( "wp_ajax_nopriv_{$action}" ) ) { wp_die( '0', 400 ); } /** * Fires non-authenticated Ajax actions for logged-out users. * * The dynamic portion of the hook name, `$action`, refers * to the name of the Ajax action callback being fired. * * @since 2.8.0 */ do_action( "wp_ajax_nopriv_{$action}" ); } // Default status. wp_die( '0' );