php-auth/src/Controllers/AccessTokenController.php

<?php

declare(strict_types=1);

namespace Siteworxpro\App\Controllers;

use Defuse\Crypto\Exception\BadFormatException;
use Defuse\Crypto\Exception\EnvironmentIsBrokenException;
use League\OAuth2\Server\Exception\OAuthServerException;
use Nyholm\Psr7\Response;
use Nyholm\Psr7\ServerRequest;
use Psr\Http\Message\ResponseInterface;
use Siteworxpro\App\Events\AccessToken\Issued;
use Siteworxpro\App\Http\JsonResponseFactory;
use Siteworxpro\App\Http\Responses\GenericResponse;
use Siteworxpro\App\OAuth\Entities\Client;
use Siteworxpro\App\Services\Facades\Dispatcher;
use Siteworxpro\HttpStatus\CodesEnum;

final class AccessTokenController extends Controller
{
    /**
     * @param ServerRequest $request
     * @return ResponseInterface
     * @throws BadFormatException
     * @throws EnvironmentIsBrokenException
     * @throws \JsonException
     */
    public function post(ServerRequest $request): ResponseInterface
    {
        try {
            $client = Client::byClientId($request->getParsedBody()['client_id'] ?? '');
            if ($client === null) {
                return JsonResponseFactory::createJsonResponse(
                    new GenericResponse('Invalid client'),
                    CodesEnum::BAD_REQUEST,
                );
            }

            /** @var Response $response */
            $response = $client
                ->getAuthorizationServer()
                ->respondToAccessTokenRequest(
                    $request,
                    JsonResponseFactory::createJsonResponse([])
                );

            Dispatcher::push(new Issued($client, $response));

            return $response;
        } catch (OAuthServerException $e) {
            return JsonResponseFactory::createJsonResponse(
                $e->getPayload(),
                CodesEnum::fromCode($e->getHttpStatusCode()),
            );
        }
    }
}