Ticket #52584: nonces.diff

src/wp-admin/includes/admin-filters.php

@@ -68 +68 @@
 add_filter( 'heartbeat_received', 'heartbeat_autosave', 500, 2 );
 
 add_filter( 'wp_refresh_nonces', 'wp_refresh_post_nonces', 10, 3 );
+add_filter( 'wp_refresh_nonces', 'wp_refresh_metabox_loader_nonces', 10, 2 );
 add_filter( 'wp_refresh_nonces', 'wp_refresh_heartbeat_nonces' );
 
 add_filter( 'heartbeat_settings', 'wp_heartbeat_set_suspension' );

src/wp-admin/includes/misc.php

@@ -1185 +1185 @@
         return $response;
 }
 
+/**
+ * Refresh nonces used with meta boxes in the block editor.
+ *
+ * @since 5.x.x
+ *
+ * @param array  $response  The Heartbeat response.
+ * @param array  $data      The $_POST data sent.
+ * @return array The Heartbeat response.
+ */
+function wp_refresh_metabox_loader_nonces( $response, $data ) {
+        if ( empty( $data['wp-refresh-metabox-loader-nonces'] ) ) {
+                return $response;
+        }
+
+        $received = $data['wp-refresh-metabox-loader-nonces'];
+        $post_id  = (int) $received['post_id'];
+
+        if ( ! $post_id ) {
+                return $response;
+        }
+
+        if ( ! current_user_can( 'edit_post', $post_id ) ) {
+                return $response;
+        }
+
+        $response['wp-refresh-metabox-loader-nonces'] = array(
+                'replace' => array(
+                        'metabox_loader_nonce' => wp_create_nonce( 'meta-box-loader' ),
+                        '_wpnonce'             => wp_create_nonce( 'update-post_' . $post_id ),
+                ),
+        );
+
+        return $response;
+}
+
 /**
  * Add the latest Heartbeat and REST-API nonce to the Heartbeat response.
  *

src/wp-admin/includes/post.php

@@ -2400 +2400 @@
                 wp_add_inline_script( 'wp-lists', $script );
         }
 
+        /*
+         * Refresh nonces used by the meta box loader.
+         *
+         * The logic is very similar to that provided by post.js for the classic editor.
+         */
+        $script = "( function( $ ) {
+                var check, timeout;
+
+                function schedule() {
+                        check = false;
+                        window.clearTimeout( timeout );
+                        timeout = window.setTimeout( function() { check = true; }, 300000 );
+                }
+
+                $( document ).on( 'heartbeat-send.wp-refresh-nonces', function( e, data ) {
+                        var post_id, \$authCheck = $( '#wp-auth-check-wrap' );
+
+                        if ( check || ( \$authCheck.length && ! \$authCheck.hasClass( 'hidden' ) ) ) {
+                                if ( ( post_id = $( '#post_ID' ).val() ) && $( '#_wpnonce' ).val() ) {
+                                        data['wp-refresh-metabox-loader-nonces'] = {
+                                                post_id: post_id
+                                        };
+                                }
+                        }
+                }).on( 'heartbeat-tick.wp-refresh-nonces', function( e, data ) {
+                        var nonces = data['wp-refresh-metabox-loader-nonces'];
+
+                        if ( nonces ) {
+                                if ( nonces.replace ) {
+                                        if ( nonces.replace.metabox_loader_nonce && window._wpMetaBoxUrl && wp.url ) {
+                                                window._wpMetaBoxUrl= wp.url.addQueryArgs( window._wpMetaBoxUrl, { 'meta-box-loader-nonce': nonces.replace.metabox_loader_nonce } );
+                                        }
+
+                                        if ( nonces.replace._wpnonce ) {
+                                                $( '#_wpnonce' ).val( nonces.replace._wpnonce );
+                                        }
+                                }
+                        }
+                }).ready( function() {
+                        schedule();
+                });
+        } )( jQuery );";
+        wp_add_inline_script( 'heartbeat', $script );
+
         // Reset meta box data.
         $wp_meta_boxes = $_original_meta_boxes;
 }