WeCodeIn\Http\Server\Middleware\ResponseSenderMiddleware

Complexity

Total Complexity

8

Size/Duplication

Total Lines	42
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	3

Test Coverage

Coverage

100%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	process()	0	9	1
A	sendHeaders()	0	18	4
A	sendOutput()	0	10	3

<?php
/**
 * This file is part of the response-sender-middleware package.
 *
 * Copyright (c) Dusan Vejin
 *
 * For full copyright and license information, please refer to the LICENSE file,
 * located at the package root folder.
 */

declare(strict_types=1);

namespace WeCodeIn\Http\Server\Middleware;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;

class ResponseSenderMiddleware implements MiddlewareInterface
{
    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
    {
        $response = $handler->handle($request);

        $this->sendHeaders($response);
        $this->sendOutput($response->getBody());

        return $response;
    }

    protected function sendHeaders(ResponseInterface $response)
    {
        if (headers_sent()) {
            return;
        }

        $protocolVersion = $response->getProtocolVersion();
        $statusCode = $response->getStatusCode();
        $reasonPhrase = $response->getReasonPhrase();

        header("HTTP/$protocolVersion $statusCode $reasonPhrase", true, $statusCode);

        foreach ($response->getHeaders() as $name => $values) {
            foreach ($values as $value) {
                header("$name: $value", false);
            }
        }
    }

    protected function sendOutput(StreamInterface $stream)
    {
        if ($stream->isSeekable()) {
            $stream->rewind();
        }

        while (false === $stream->eof()) {
            echo $stream->read(1024 * 8);
        }
    }
}