Ticket #52321: 52321-1.diff

src/wp-includes/rest-api/class-wp-rest-server.php

@@ -1229 +1229 @@
                 $response->add_link( 'help', 'https://developer.wordpress.org/rest-api/' );
                 $this->add_active_theme_link_to_index( $response );
                 $this->add_site_logo_to_index( $response );
+                $this->add_site_icon_to_index( $response );
 
                 /**
                  * Filters the REST API root index data.
@@ -1296 +1297 @@
                 }
         }
 
+        /**
+         * Exposes the site icon through the WordPress REST API.
+         * This is used for fetching this information when user has no rights
+         * to update settings.
+         *
+         * @since 5.9.0
+         *
+         * @param WP_REST_Response $response REST API response.
+         */
+        protected function add_site_icon_to_index( WP_REST_Response $response ) {
+                $site_icon_id                = get_option( 'site_icon' );
+                $response->data['site_icon'] = $site_icon_id;
+                if ( $site_icon_id ) {
+                        $response->add_link(
+                                'https://api.w.org/featuredmedia',
+                                rest_url( 'wp/v2/media/' . $site_icon_id ),
+                                array(
+                                        'embeddable' => true,
+                                )
+                        );
+                }
+        }
+
         /**
          * Retrieves the index for a namespace.
          *