namespace = 'wp/v2'; $this->rest_base = 'sidebars'; } /** * Registers the controllers routes. * * @since 5.8.0 */ public function register_routes() { register_rest_route( $this->namespace, '/' . $this->rest_base, array( array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_items' ), 'permission_callback' => array( $this, 'get_items_permissions_check' ), 'args' => array( 'context' => $this->get_context_param( array( 'default' => 'view' ) ), ), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P[\w-]+)', array( array( 'methods' => WP_REST_Server::READABLE, 'callback' => array( $this, 'get_item' ), 'permission_callback' => array( $this, 'get_item_permissions_check' ), 'args' => array( 'id' => array( 'description' => __( 'The id of a registered sidebar' ), 'type' => 'string', ), 'context' => $this->get_context_param( array( 'default' => 'view' ) ), ), ), array( 'methods' => WP_REST_Server::EDITABLE, 'callback' => array( $this, 'update_item' ), 'permission_callback' => array( $this, 'update_item_permissions_check' ), 'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ), ), 'schema' => array( $this, 'get_public_item_schema' ), ) ); } /** * Checks if a given request has access to get sidebars. * * @since 5.8.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public function get_items_permissions_check( $request ) { $this->retrieve_widgets(); foreach ( wp_get_sidebars_widgets() as $id => $widgets ) { $sidebar = $this->get_sidebar( $id ); if ( ! $sidebar ) { continue; } if ( $this->check_read_permission( $sidebar ) ) { return true; } } return $this->do_permissions_check(); } /** * Retrieves the list of sidebars (active or inactive). * * @since 5.8.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response Response object on success. */ public function get_items( $request ) { $this->retrieve_widgets(); $data = array(); $permissions_check = $this->do_permissions_check(); foreach ( wp_get_sidebars_widgets() as $id => $widgets ) { $sidebar = $this->get_sidebar( $id ); if ( ! $sidebar ) { continue; } if ( is_wp_error( $permissions_check ) && ! $this->check_read_permission( $sidebar ) ) { continue; } $data[] = $this->prepare_response_for_collection( $this->prepare_item_for_response( $sidebar, $request ) ); } return rest_ensure_response( $data ); } /** * Checks if a given request has access to get a single sidebar. * * @since 5.8.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public function get_item_permissions_check( $request ) { $this->retrieve_widgets(); $sidebar = $this->get_sidebar( $request['id'] ); if ( $sidebar && $this->check_read_permission( $sidebar ) ) { return true; } return $this->do_permissions_check(); } /** * Checks if a sidebar can be read publicly. * * @since 5.9.0 * * @param array $sidebar The registered sidebar configuration. * @return bool Whether the side can be read. */ protected function check_read_permission( $sidebar ) { return ! empty( $sidebar['show_in_rest'] ); } /** * Retrieves one sidebar from the collection. * * @since 5.8.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. */ public function get_item( $request ) { $this->retrieve_widgets(); $sidebar = $this->get_sidebar( $request['id'] ); if ( ! $sidebar ) { return new WP_Error( 'rest_sidebar_not_found', __( 'No sidebar exists with that id.' ), array( 'status' => 404 ) ); } return $this->prepare_item_for_response( $sidebar, $request ); } /** * Checks if a given request has access to update sidebars. * * @since 5.8.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public function update_item_permissions_check( $request ) { return $this->do_permissions_check(); } /** * Updates a sidebar. * * @since 5.8.0 * * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response Response object on success, or WP_Error object on failure. */ public function update_item( $request ) { if ( isset( $request['widgets'] ) ) { $sidebars = wp_get_sidebars_widgets(); foreach ( $sidebars as $sidebar_id => $widgets ) { foreach ( $widgets as $i => $widget_id ) { // This automatically removes the passed widget IDs from any other sidebars in use. if ( $sidebar_id !== $request['id'] && in_array( $widget_id, $request['widgets'], true ) ) { unset( $sidebars[ $sidebar_id ][ $i ] ); } // This automatically removes omitted widget IDs to the inactive sidebar. if ( $sidebar_id === $request['id'] && ! in_array( $widget_id, $request['widgets'], true ) ) { $sidebars['wp_inactive_widgets'][] = $widget_id; } } } $sidebars[ $request['id'] ] = $request['widgets']; wp_set_sidebars_widgets( $sidebars ); } $request['context'] = 'edit'; $sidebar = $this->get_sidebar( $request['id'] ); /** * Fires after a sidebar is updated via the REST API. * * @since 5.8.0 * * @param array $sidebar The updated sidebar. * @param WP_REST_Request $request Request object. */ do_action( 'rest_save_sidebar', $sidebar, $request ); return $this->prepare_item_for_response( $sidebar, $request ); } /** * Checks if the user has permissions to make the request. * * @since 5.8.0 * * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ protected function do_permissions_check() { /* * Verify if the current user has edit_theme_options capability. * This capability is required to access the widgets screen. */ if ( ! current_user_can( 'edit_theme_options' ) ) { return new WP_Error( 'rest_cannot_manage_widgets', __( 'Sorry, you are not allowed to manage widgets on this site.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; } /** * Retrieves the registered sidebar with the given id. * * @since 5.8.0 * * @param string|int $id ID of the sidebar. * @return array|null The discovered sidebar, or null if it is not registered. */ protected function get_sidebar( $id ) { return wp_get_sidebar( $id ); } /** * Looks for "lost" widgets once per request. * * @since 5.9.0 * * @see retrieve_widgets() */ protected function retrieve_widgets() { if ( ! $this->widgets_retrieved ) { retrieve_widgets(); $this->widgets_retrieved = true; } } /** * Prepares a single sidebar output for response. * * @since 5.8.0 * @since 5.9.0 Renamed `$raw_sidebar` to `$item` to match parent class for PHP 8 named parameter support. * * @global array $wp_registered_sidebars The registered sidebars. * @global array $wp_registered_widgets The registered widgets. * * @param array $item Sidebar instance. * @param WP_REST_Request $request Full details about the request. * @return WP_REST_Response Prepared response object. */ public function prepare_item_for_response( $item, $request ) { global $wp_registered_sidebars, $wp_registered_widgets; // Restores the more descriptive, specific name for use within this method. $raw_sidebar = $item; $id = $raw_sidebar['id']; $sidebar = array( 'id' => $id ); if ( isset( $wp_registered_sidebars[ $id ] ) ) { $registered_sidebar = $wp_registered_sidebars[ $id ]; $sidebar['status'] = 'active'; $sidebar['name'] = isset( $registered_sidebar['name'] ) ? $registered_sidebar['name'] : ''; $sidebar['description'] = isset( $registered_sidebar['description'] ) ? wp_sidebar_description( $id ) : ''; $sidebar['class'] = isset( $registered_sidebar['class'] ) ? $registered_sidebar['class'] : ''; $sidebar['before_widget'] = isset( $registered_sidebar['before_widget'] ) ? $registered_sidebar['before_widget'] : ''; $sidebar['after_widget'] = isset( $registered_sidebar['after_widget'] ) ? $registered_sidebar['after_widget'] : ''; $sidebar['before_title'] = isset( $registered_sidebar['before_title'] ) ? $registered_sidebar['before_title'] : ''; $sidebar['after_title'] = isset( $registered_sidebar['after_title'] ) ? $registered_sidebar['after_title'] : ''; } else { $sidebar['status'] = 'inactive'; $sidebar['name'] = $raw_sidebar['name']; $sidebar['description'] = ''; $sidebar['class'] = ''; } if ( wp_is_block_theme() ) { $sidebar['status'] = 'inactive'; } $fields = $this->get_fields_for_response( $request ); if ( rest_is_field_included( 'widgets', $fields ) ) { $sidebars = wp_get_sidebars_widgets(); $widgets = array_filter( isset( $sidebars[ $sidebar['id'] ] ) ? $sidebars[ $sidebar['id'] ] : array(), static function ( $widget_id ) use ( $wp_registered_widgets ) { return isset( $wp_registered_widgets[ $widget_id ] ); } ); $sidebar['widgets'] = array_values( $widgets ); } $schema = $this->get_item_schema(); $data = array(); foreach ( $schema['properties'] as $property_id => $property ) { if ( isset( $sidebar[ $property_id ] ) && true === rest_validate_value_from_schema( $sidebar[ $property_id ], $property ) ) { $data[ $property_id ] = $sidebar[ $property_id ]; } elseif ( isset( $property['default'] ) ) { $data[ $property_id ] = $property['default']; } } $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; $data = $this->add_additional_fields_to_object( $data, $request ); $data = $this->filter_response_by_context( $data, $context ); $response = rest_ensure_response( $data ); if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) { $response->add_links( $this->prepare_links( $sidebar ) ); } /** * Filters the REST API response for a sidebar. * * @since 5.8.0 * * @param WP_REST_Response $response The response object. * @param array $raw_sidebar The raw sidebar data. * @param WP_REST_Request $request The request object. */ return apply_filters( 'rest_prepare_sidebar', $response, $raw_sidebar, $request ); } /** * Prepares links for the sidebar. * * @since 5.8.0 * * @param array $sidebar Sidebar. * @return array Links for the given widget. */ protected function prepare_links( $sidebar ) { return array( 'collection' => array( 'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ), ), 'self' => array( 'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $sidebar['id'] ) ), ), 'https://api.w.org/widget' => array( 'href' => add_query_arg( 'sidebar', $sidebar['id'], rest_url( '/wp/v2/widgets' ) ), 'embeddable' => true, ), ); } /** * Retrieves the block type' schema, conforming to JSON Schema. * * @since 5.8.0 * * @return array Item schema data. */ public function get_item_schema() { if ( $this->schema ) { return $this->add_additional_fields_schema( $this->schema ); } $schema = array( '$schema' => 'http://json-schema.org/draft-04/schema#', 'title' => 'sidebar', 'type' => 'object', 'properties' => array( 'id' => array( 'description' => __( 'ID of sidebar.' ), 'type' => 'string', 'context' => array( 'embed', 'view', 'edit' ), 'readonly' => true, ), 'name' => array( 'description' => __( 'Unique name identifying the sidebar.' ), 'type' => 'string', 'context' => array( 'embed', 'view', 'edit' ), 'readonly' => true, ), 'description' => array( 'description' => __( 'Description of sidebar.' ), 'type' => 'string', 'context' => array( 'embed', 'view', 'edit' ), 'readonly' => true, ), 'class' => array( 'description' => __( 'Extra CSS class to assign to the sidebar in the Widgets interface.' ), 'type' => 'string', 'context' => array( 'embed', 'view', 'edit' ), 'readonly' => true, ), 'before_widget' => array( 'description' => __( 'HTML content to prepend to each widget\'s HTML output when assigned to this sidebar. Default is an opening list item element.' ), 'type' => 'string', 'default' => '', 'context' => array( 'embed', 'view', 'edit' ), 'readonly' => true, ), 'after_widget' => array( 'description' => __( 'HTML content to append to each widget\'s HTML output when assigned to this sidebar. Default is a closing list item element.' ), 'type' => 'string', 'default' => '', 'context' => array( 'embed', 'view', 'edit' ), 'readonly' => true, ), 'before_title' => array( 'description' => __( 'HTML content to prepend to the sidebar title when displayed. Default is an opening h2 element.' ), 'type' => 'string', 'default' => '', 'context' => array( 'embed', 'view', 'edit' ), 'readonly' => true, ), 'after_title' => array( 'description' => __( 'HTML content to append to the sidebar title when displayed. Default is a closing h2 element.' ), 'type' => 'string', 'default' => '', 'context' => array( 'embed', 'view', 'edit' ), 'readonly' => true, ), 'status' => array( 'description' => __( 'Status of sidebar.' ), 'type' => 'string', 'enum' => array( 'active', 'inactive' ), 'context' => array( 'embed', 'view', 'edit' ), 'readonly' => true, ), 'widgets' => array( 'description' => __( 'Nested widgets.' ), 'type' => 'array', 'items' => array( 'type' => array( 'object', 'string' ), ), 'default' => array(), 'context' => array( 'embed', 'view', 'edit' ), ), ), ); $this->schema = $schema; return $this->add_additional_fields_schema( $this->schema ); } }