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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\Http;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use TYPO3\CMS\Core\Core\ApplicationInterface;
/**
* @internal
*/
abstract class AbstractApplication implements ApplicationInterface, RequestHandlerInterface
{
private const MULTI_LINE_HEADERS = [
'set-cookie',
];
/**
* @var RequestHandlerInterface|null
*/
protected $requestHandler;
/**
* Outputs content
*/
protected function sendResponse(ResponseInterface $response)
{
if ($response instanceof NullResponse) {
return;
}
// @todo This requires some merge strategy or header callback handling
if (!headers_sent()) {
// If the response code was not changed by legacy code (still is 200)
// then allow the PSR-7 response object to explicitly set it.
// Otherwise let legacy code take precedence.
// This code path can be deprecated once we expose the response object to third party code
if (http_response_code() === 200) {
header('HTTP/' . $response->getProtocolVersion() . ' ' . $response->getStatusCode() . ' ' . $response->getReasonPhrase());
}
foreach ($response->getHeaders() as $name => $values) {
if (in_array(strtolower($name), self::MULTI_LINE_HEADERS, true)) {
foreach ($values as $value) {
header($name . ': ' . $value, false);
}
} else {
header($name . ': ' . implode(', ', $values));
}
}
}
$body = $response->getBody();
if ($body instanceof SelfEmittableStreamInterface) {
// Optimization for streams that use php functions like readfile() as fastpath for serving files.
$body->emit();
} else {
echo $body->__toString();
}
}
public function handle(ServerRequestInterface $request): ResponseInterface
{
try {
$response = $this->requestHandler->handle($request);
} catch (ImmediateResponseException $exception) {
$response = $exception->getResponse();
}
return $response;
}
/**
* Set up the application and shut it down afterwards
*/
final public function run()
{
$response = $this->handle(ServerRequestFactory::fromGlobals());
$this->sendResponse($response);
}
}