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* @package WPSEO\Admin\Services
* Represents the file size service.
class WPSEO_File_Size_Service {
* Retrieves an indexable.
* @param WP_REST_Request $request The request object.
* @return WP_REST_Response The response.
public function get( WP_REST_Request $request ) {
$file_url = $this->get_file_url( $request );
return new WP_REST_Response(
'size_in_bytes' => $this->get_file_size( $file_url ),
catch ( WPSEO_File_Size_Exception $exception ) {
return new WP_REST_Response(
'response' => $exception->getMessage(),
* Retrieves the file url.
* @param WP_REST_Request $request The request to retrieve file url from.
* @return string The file url.
* @throws WPSEO_File_Size_Exception The file is hosted externally.
protected function get_file_url( WP_REST_Request $request ) {
$file_url = rawurldecode( $request->get_param( 'url' ) );
if ( ! $this->is_externally_hosted( $file_url ) ) {
throw WPSEO_File_Size_Exception::externally_hosted( $file_url );
* Checks if the file is hosted externally.
* @param string $file_url The file url.
* @return bool True if it is hosted externally.
protected function is_externally_hosted( $file_url ) {
return wp_parse_url( home_url(), PHP_URL_HOST ) !== wp_parse_url( $file_url, PHP_URL_HOST );
* @param string $file_url The file url to get the size for.
* @return int The file size.
* @throws WPSEO_File_Size_Exception Retrieval of file size went wrong for unknown reasons.
protected function get_file_size( $file_url ) {
$file_config = wp_upload_dir();
$file_url = str_replace( $file_config['baseurl'], '', $file_url );
$file_size = $this->calculate_file_size( $file_url );
throw WPSEO_File_Size_Exception::unknown_error( $file_url );
* Calculates the file size using the Utils class.
* @param string $file_url The file to retrieve the size for.
* @return int|bool The file size or False if it could not be retrieved.
protected function calculate_file_size( $file_url ) {
return WPSEO_Image_Utils::get_file_size(