Ticket #31294: 31294.4.diff

src/wp-admin/js/customize-controls.js

@@ -2358 +2358 @@
 
                         messenger.targetWindow( iframe[0].contentWindow );
 
-                        messenger.bind( 'login', function() {
-                                iframe.remove();
-                                messenger.destroy();
-                                delete previewer._login;
-                                deferred.resolve();
+                        messenger.bind( 'login', function () {
+                                previewer.refreshNonces().done( function() {
+                                        iframe.remove();
+                                        messenger.destroy();
+                                        delete previewer._login;
+                                        deferred.resolve();
+                                });
                         });
 
                         return this._login;
@@ -2370 +2372 @@
 
                 cheatin: function() {
                         $( document.body ).empty().addClass('cheatin').append( '<p>' + api.l10n.cheatin + '</p>' );
+                },
+
+                refreshNonces: function() {
+                        var self = this, request, deferred = $.Deferred();
+
+                        deferred.promise();
+
+                        request = wp.ajax.post( 'customize_refresh_nonces', {
+                                wp_customize: 'on',
+                                theme: api.settings.theme.stylesheet
+                        } );
+
+                        request.fail( function() {
+                                self.cheatin();
+                                deferred.reject();
+                        } );
+
+                        request.done( function( response ) {
+                                api.trigger( 'nonce-refresh', response );
+                                deferred.resolve();
+                        } );
+
+                        return deferred;
                 }
         });
 
@@ -2538 +2563 @@
                         $.extend( this.nonce, nonce );
                 });
 
+                // Refresh the nonces if login sends updated nonces over.
+                api.bind( 'nonce-refresh', function( nonce ) {
+                        $.extend( api.settings.nonce, nonce );
+                        $.extend( api.previewer.nonce, nonce );
+                });
+
                 // Create Settings
                 $.each( api.settings.settings, function( id, data ) {
                         api.create( id, id, data.value, {

src/wp-admin/js/customize-widgets.js

@@ -1898 +1898 @@
                 sidebar_widgets: api.Widgets.SidebarControl
         });
 
+        // Refresh the nonces if login sends updated nonces over.
+        api.bind( 'nonce-refresh', function( nonce ) {
+                api.Widgets.data.nonce = nonce['update-widget'];
+        });
+
         /**
          * Init Customizer for widgets.
          */

src/wp-includes/class-wp-customize-manager.php

@@ -106 +106 @@
                 remove_action( 'admin_init', '_maybe_update_themes' );
 
                 add_action( 'wp_ajax_customize_save', array( $this, 'save' ) );
+                add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) );
 
                 add_action( 'customize_register',                 array( $this, 'register_controls' ) );
                 add_action( 'customize_register',                 array( $this, 'register_dynamic_settings' ), 11 ); // allow code to create settings first
@@ -778 +779 @@
         }
 
         /**
+         * Refresh nonces for the current preview.
+         *
+         * @since 4.2.0
+         */
+        public function refresh_nonces() {
+                if ( ! $this->is_preview() ) {
+                        wp_send_json_error( 'not_preview' );
+                }
+
+                $nonces = array(
+                        'save'    => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ),
+                        'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() ),
+                );
+
+                /**
+                 * Filter response data for a successful customize_refresh_nonces Ajax request.
+                 *
+                 * @since 4.2.0
+                 *
+                 * @param array                $nonces Array of new nonces for save an preview actions.
+                 * @param WP_Customize_Manager $this   WP_Customize_Manager instance.
+                 */
+                $nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this );
+                wp_send_json_success( $nonces );
+        }
+
+        /**
          * Add a customize setting.
          *
          * @since 3.4.0

src/wp-includes/class-wp-customize-widgets.php

@@ -95 +95 @@
                 add_action( 'customize_controls_print_footer_scripts', array( $this, 'print_footer_scripts' ) );
                 add_action( 'customize_controls_print_footer_scripts', array( $this, 'output_widget_control_templates' ) );
                 add_action( 'customize_preview_init',                  array( $this, 'customize_preview_init' ) );
+                add_filter( 'customize_refresh_nonces',                array( $this, 'refresh_nonces' ) );
 
                 add_action( 'dynamic_sidebar',                         array( $this, 'tally_rendered_widgets' ) );
                 add_filter( 'is_active_sidebar',                       array( $this, 'tally_sidebars_via_is_active_sidebar_calls' ), 10, 2 );
@@ -887 +888 @@
         }
 
         /**
+         * Refresh nonce for widget updates.
+         *
+         * @since 4.2.0
+         * @access public
+         *
+         * @param  array $nonces Array of nonces.
+         * @return array $nonces Array of nonces.
+         */
+        public function refresh_nonces( $nonces ) {
+                $nonces['update-widget'] = wp_create_nonce( 'update-widget' );
+                return $nonces;
+        }
+
+        /**
          * When previewing, make sure the proper previewing widgets are used.
          *
          * Because wp_get_sidebars_widgets() gets called early at init