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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;
use yii\filters\auth\CompositeAuth;
use yii\filters\ContentNegotiator;
use yii\filters\RateLimiter;
use yii\web\Response;
use yii\filters\VerbFilter;
/**
* Controller is the base class for RESTful API controller classes.
*
* Controller implements the following steps in a RESTful API request handling cycle:
*
* 1. Resolving response format (see [[ContentNegotiator]]);
* 2. Validating request method (see [[verbs()]]).
* 3. Authenticating user (see [[\yii\filters\auth\AuthInterface]]);
* 4. Rate limiting (see [[RateLimiter]]);
* 5. Formatting response data (see [[serializeData()]]).
*
* For more details and usage information on Controller, see the [guide article on rest controllers](guide:rest-controllers).
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class Controller extends \yii\web\Controller
{
/**
* @var string|array the configuration for creating the serializer that formats the response data.
*/
public $serializer = 'yii\rest\Serializer';
/**
* @inheritdoc
*/
public $enableCsrfValidation = false;
/**
* @inheritdoc
*/
public function behaviors()
{
return [
'contentNegotiator' => [
'class' => ContentNegotiator::className(),
'formats' => [
'application/json' => Response::FORMAT_JSON,
'application/xml' => Response::FORMAT_XML,
],
],
'verbFilter' => [
'class' => VerbFilter::className(),
'actions' => $this->verbs(),
],
'authenticator' => [
'class' => CompositeAuth::className(),
],
'rateLimiter' => [
'class' => RateLimiter::className(),
],
];
}
/**
* @inheritdoc
*/
public function afterAction($action, $result)
{
$result = parent::afterAction($action, $result);
return $this->serializeData($result);
}
/**
* Declares the allowed HTTP verbs.
* Please refer to [[VerbFilter::actions]] on how to declare the allowed verbs.
* @return array the allowed HTTP verbs.
*/
protected function verbs()
{
return [];
}
/**
* Serializes the specified data.
* The default implementation will create a serializer based on the configuration given by [[serializer]].
* It then uses the serializer to serialize the given data.
* @param mixed $data the data to be serialized
* @return mixed the serialized data.
*/
protected function serializeData($data)
{
return Yii::createObject($this->serializer)->serialize($data);
}
}
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