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<?php
declare( strict_types = 1 );
namespace WMDE\BannerServer\Controller;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
/**
* This controller allows to set the cookie lifetime dynamically with the "d" (="duration") query parameter.
*/
class AlreadyDonatedController extends AbstractCookieController {
public const MAX_INTERVAL_LENGTH = 'P28D';
private \DateInterval $cookieLifetime;
public function __construct() {
$this->cookieLifetime = new \DateInterval( self::MAX_INTERVAL_LENGTH );
}
public function index( Request $request ): Response {
if ( $request->query->has( 'd' ) ) {
$potentialLifetime = $this->getDurationHours( $request->query->get( 'd' ) );
$now = new \DateTimeImmutable();
if ( $now->add( $potentialLifetime ) < $now->add( new \DateInterval( self::MAX_INTERVAL_LENGTH ) ) ) {
$this->cookieLifetime = $potentialLifetime;
return parent::index( $request );
protected function getCookieLifetime(): \DateInterval {
return $this->cookieLifetime;
private function getDurationHours( float|bool|int|string|null $durationInHours ): \DateInterval {
$durationInHours = filter_var( $durationInHours, FILTER_VALIDATE_INT );
if ( $durationInHours === false ) {
return new \DateInterval( self::MAX_INTERVAL_LENGTH );
return new \DateInterval( 'PT' . $durationInHours . 'H' );
wmde /
banner-server
