gnugat/ripozi - SubmitJsonListener

SubmitJsonListener.php

<?php

namespace Gnugat\Ripozi\EventListener;

use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\HttpKernelInterface;

/**
 * PHP does not populate $_POST with the data submitted via a JSON Request,
 * causing an empty $request->request.
 *
 * This listener fixes this.
 */
class SubmitJsonListener
{
    /**
     * @param GetResponseEvent $event
     */
    public function onKernelRequest(GetResponseEvent $event)
    {
        if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) {
            return;
        }
        $request = $event->getRequest();
        $contentType = $request->headers->get('Content-Type');
        if ('POST' !== $request->getMethod() && 'application/json' !== $contentType) {
            return;
        }
        $content = $request->getContent();
        $data = json_decode($content, true);
        if (JSON_ERROR_NONE !== json_last_error()) {
            $data = array('message' => 'Invalid or malformed JSON');
            $response = new JsonResponse($data, 400);
            $event->setResponse($this->render);
        }
        $request->request->add($data ?: array());
    }
}