OAuth2Grants.php

<?php

declare(strict_types=1);

namespace Trikoder\Bundle\OAuth2Bundle;

final class OAuth2Grants
{
    /**
     * @see https://tools.ietf.org/html/rfc6749#section-1.3.1
     *
     * @var string
     */
    public const AUTHORIZATION_CODE = 'authorization_code';

    /**
     * @see https://tools.ietf.org/html/rfc6749#section-1.3.4
     *
     * @var string
     */
    public const CLIENT_CREDENTIALS = 'client_credentials';

    /**
     * @see https://tools.ietf.org/html/rfc6749#section-1.3.2
     *
     * @var string
     */
    public const IMPLICIT = 'implicit';

    /**
     * @see https://tools.ietf.org/html/rfc6749#section-1.3.3
     *
     * @var string
     */
    public const PASSWORD = 'password';

    /**
     * @see https://tools.ietf.org/html/rfc6749#section-6
     *
     * @var string
     */
    public const REFRESH_TOKEN = 'refresh_token';

    public static function has(string $grant): bool
    {
        return \in_array($grant, [
            self::CLIENT_CREDENTIALS,
            self::PASSWORD,
            self::REFRESH_TOKEN,
            self::AUTHORIZATION_CODE,
            self::IMPLICIT,
        ]);
    }
}