Proyectos de Subversion Moodle

<?php

/**

 * Slim Framework (https://slimframework.com)

 *

 * @license https://github.com/slimphp/Slim/blob/4.x/LICENSE.md (MIT License)

 */

declare(strict_types=1);

namespace Slim\Middleware;

use Psr\Http\Message\ResponseInterface;

use Psr\Http\Message\ServerRequestInterface;

use Psr\Http\Server\MiddlewareInterface;

use Psr\Http\Server\RequestHandlerInterface;

class ContentLengthMiddleware implements MiddlewareInterface

{

    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface

    {

        $response = $handler->handle($request);

        // Add Content-Length header if not already added

        $size = $response->getBody()->getSize();

        if ($size !== null && !$response->hasHeader('Content-Length')) {

            $response = $response->withHeader('Content-Length', (string) $size);

        }

        return $response;

    }

}