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<?php
namespace Asm89\Stack;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
class Cors implements HttpKernelInterface
{
/**
* @var \Symfony\Component\HttpKernel\HttpKernelInterface
*/
private $app;
/**
* @var \Asm89\Stack\CorsService
*/
private $cors;
private $defaultOptions = array(
'allowedHeaders' => array(),
'allowedMethods' => array(),
'allowedOrigins' => array(),
'exposedHeaders' => false,
'maxAge' => false,
'supportsCredentials' => false,
);
public function __construct(HttpKernelInterface $app, array $options = array())
{
$this->app = $app;
$this->cors = new CorsService(array_merge($this->defaultOptions, $options));
}
public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
{
if ( ! $this->cors->isCorsRequest($request)) {
return $this->app->handle($request, $type, $catch);
}
if ($this->cors->isPreflightRequest($request)) {
return $this->cors->handlePreflightRequest($request);
}
if ( ! $this->cors->isActualRequestAllowed($request)) {
return new Response('Not allowed.', 403);
}
$response = $this->app->handle($request, $type, $catch);
return $this->cors->addActualRequestHeaders($response, $request);
}
}