File::configureActions

public function configureActions()
{
	$configureActions = parent::configureActions();

	$configureActions['showImage'] =
	$configureActions['showPreview'] = [
		'-prefilters' => [
			MainEngineActionFilterCsrf::class,
			Authentication::class,
		],
		'+prefilters' => [
			new Authentication(true),
			new EngineActionFilterCheckImageSignature(),
			new MainEngineActionFilterCloseSession(),
		]
	];

	$configureActions['download'] = [
		'-prefilters' => [
			MainEngineActionFilterCsrf::class,
			Authentication::class,
		],
		'+prefilters' => [
			new Authentication(true),
			new MainEngineActionFilterCloseSession(),
		]
	];

	return $configureActions;
}