Spiral\Http\Middlewares\JsonParser

Complexity

Total Complexity

4

Size/Duplication

Total Lines	33
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	3

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	__invoke()	0	14	3

<?php
/**
 * Spiral Framework.
 *
 * @license   MIT
 * @author    Anton Titov (Wolfy-J)
 */

namespace Spiral\Http\Middlewares;

use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Spiral\Http\MiddlewareInterface;

/**
 * Populates parsedBody data of request with decoded json content if appropriate request header
 * set. Check alternative from ps7-middlewares to find alternative solution with more format
 * options.
 *
 * Incoming JSON parsed into array!
 */
class JsonParser implements MiddlewareInterface
{
    /**
     * @var bool
     */
    private $asArray;

    /**
     * @param bool $asArray
     */
    public function __construct(bool $asArray = true)
    {
        $this->asArray = $asArray;
    }

    /**
     * {@inheritdoc}
     */
    public function __invoke(Request $request, Response $response, callable $next)
    {
        if (strpos($request->getHeaderLine('Content-Type'), 'application/json') !== false) {
            $data = json_decode($request->getBody()->__toString(), $this->asArray);
            if (!empty(json_last_error())) {
                //Mailformed request
                return $response->withStatus(400);
            }

            $request = $request->withParsedBody($data);
        }

        return $next($request);
    }
}