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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\rest;
use Yii;
/**
* OptionsAction responds to the OPTIONS request by sending back an `Allow` header.
*
* For more details and usage information on OptionsAction, see the [guide article on rest controllers](guide:rest-controllers).
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class OptionsAction extends \yii\base\Action
{
/**
* @var array the HTTP verbs that are supported by the collection URL
*/
public $collectionOptions = ['GET', 'POST', 'HEAD', 'OPTIONS'];
/**
* @var array the HTTP verbs that are supported by the resource URL
*/
public $resourceOptions = ['GET', 'PUT', 'PATCH', 'DELETE', 'HEAD', 'OPTIONS'];
/**
* Responds to the OPTIONS request.
* @param string $id
*/
public function run($id = null)
{
if (Yii::$app->getRequest()->getMethod() !== 'OPTIONS') {
Yii::$app->getResponse()->setStatusCode(405);
}
$options = $id === null ? $this->collectionOptions : $this->resourceOptions;
$headers = Yii::$app->getResponse()->getHeaders();
$headers->set('Allow', implode(', ', $options));
$headers->set('Access-Control-Allow-Methods', implode(', ', $options));
}
}