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<?php
declare(strict_types=1);
namespace Yiisoft\Yii\Web\Middleware;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Yiisoft\Http\Header;
final class JsonBodyParser implements MiddlewareInterface
{
private bool $throwException = true;
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
$contentType = $request->getHeaderLine(Header::CONTENT_TYPE);
if ($contentType && strpos(strtolower($contentType), 'application/json') !== false) {
$request = $request->withParsedBody(
$this->parse($request->getBody()->getContents())
);
}
return $handler->handle($request);
public function withThrowException(bool $value): self
$new = clone $this;
$new->throwException = $value;
return $new;
private function parse(string $body): array
try {
$result = json_decode($body, true, 512, JSON_THROW_ON_ERROR);
return is_array($result) ? $result : [];
} catch (\JsonException $e) {
if ($this->throwException) {
throw new \InvalidArgumentException('Invalid JSON data in request body: ' . $e->getMessage());
return [];
yiisoft /
yii-web
