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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpKernel;
use Symfony\Component\HttpClient\HttpClient;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\ResponseHeaderBag;
use Symfony\Component\Mime\Part\AbstractPart;
use Symfony\Component\Mime\Part\DataPart;
use Symfony\Component\Mime\Part\Multipart\FormDataPart;
use Symfony\Component\Mime\Part\TextPart;
use Symfony\Contracts\HttpClient\HttpClientInterface;
// Help opcache.preload discover always-needed symbols
class_exists(ResponseHeaderBag::class);
/**
* An implementation of a Symfony HTTP kernel using a "real" HTTP client.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
final class HttpClientKernel implements HttpKernelInterface
{
private $client;
public function __construct(HttpClientInterface $client = null)
{
if (null === $client && !class_exists(HttpClient::class)) {
throw new \LogicException(sprintf('You cannot use "%s" as the HttpClient component is not installed. Try running "composer require symfony/http-client".', __CLASS__));
}
$this->client = $client ?? HttpClient::create();
}
public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true): Response
{
$headers = $this->getHeaders($request);
$body = '';
if (null !== $part = $this->getBody($request)) {
$headers = array_merge($headers, $part->getPreparedHeaders()->toArray());
$body = $part->bodyToIterable();
}
$response = $this->client->request($request->getMethod(), $request->getUri(), [
'headers' => $headers,
'body' => $body,
] + $request->attributes->get('http_client_options', []));
$response = new Response($response->getContent(!$catch), $response->getStatusCode(), $response->getHeaders(!$catch));
$response->headers->remove('X-Body-File');
$response->headers->remove('X-Body-Eval');
$response->headers->remove('X-Content-Digest');
$response->headers = new class($response->headers->all()) extends ResponseHeaderBag {
protected function computeCacheControlValue(): string
{
return $this->getCacheControlHeader(); // preserve the original value
}
};
return $response;
}
private function getBody(Request $request): ?AbstractPart
{
if (\in_array($request->getMethod(), ['GET', 'HEAD'])) {
return null;
}
if (!class_exists(AbstractPart::class)) {
throw new \LogicException('You cannot pass non-empty bodies as the Mime component is not installed. Try running "composer require symfony/mime".');
}
if ($content = $request->getContent()) {
return new TextPart($content, 'utf-8', 'plain', '8bit');
}
$fields = $request->request->all();
foreach ($request->files->all() as $name => $file) {
$fields[$name] = DataPart::fromPath($file->getPathname(), $file->getClientOriginalName(), $file->getClientMimeType());
}
return new FormDataPart($fields);
}
private function getHeaders(Request $request): array
{
$headers = [];
foreach ($request->headers as $key => $value) {
$headers[$key] = $value;
}
$cookies = [];
foreach ($request->cookies->all() as $name => $value) {
$cookies[] = $name.'='.$value;
}
if ($cookies) {
$headers['cookie'] = implode('; ', $cookies);
}
return $headers;
}
}