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<?php
namespace Bitrix\Main\Engine\ActionFilter;
use Bitrix\Main\Engine\Controller;
use Bitrix\Main\Error;
use Bitrix\Main\Event;
use Bitrix\Main\EventResult;
final class HttpMethod extends Base
{
public const METHOD_GET = 'GET';
public const METHOD_POST = 'POST';
public const METHOD_PUT = 'PUT';
public const METHOD_PATCH = 'PATCH';
public const METHOD_DELETE = 'DELETE';
public const METHOD_CONNECT = 'CONNECT';
public const METHOD_OPTIONS = 'OPTIONS';
public const METHOD_TRACE = 'TRACE';
const ERROR_INVALID_HTTP_METHOD = 'invalid_http_method';
/**
* @var array
*/
private $allowedMethods;
/**
* HttpMethodFilter constructor.
* @param array $allowedMethods
*/
public function __construct(array $allowedMethods = array(self::METHOD_GET))
{
$this->allowedMethods = $allowedMethods;
parent::__construct();
}
/**
* List allowed values of scopes where the filter should work.
* @return array
*/
public function listAllowedScopes()
{
return array(
Controller::SCOPE_AJAX,
Controller::SCOPE_REST,
);
}
/**
* @return bool
*/
public function containsPostMethod()
{
return in_array(self::METHOD_POST, $this->allowedMethods, true);
}
public function onBeforeAction(Event $event)
{
$requestMethod = $this->action->getController()->getRequest()->getRequestMethod();
if (!in_array($requestMethod, $this->allowedMethods, true))
{
$this->addError(new Error(
'Wrong method for current action',
self::ERROR_INVALID_HTTP_METHOD
));
return new EventResult(EventResult::ERROR, null, null, $this);
}
return null;
}
}