gnu-social/plugins/ActivityPub/Util/Validator/contentLangModelValidator.php

<?php

declare(strict_types=1);

// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
// }}}

/**
 * ActivityPub implementation for GNU social
 *
 * @package   GNUsocial
 * @category  ActivityPub
 * @author    Diogo Peralta Cordeiro <@diogo.site>
 * @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 */

namespace Plugin\ActivityPub\Util\Validator;

use ActivityPhp\Type;
use ActivityPhp\Type\Util;
use Exception;
use Plugin\ActivityPub\Util\ModelValidator;

/**
 * contentLangModelValidator is a dedicated
 * validator for manuallyApprovesFollowers attribute.
 *
 * @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 */
class contentLangModelValidator extends ModelValidator
{
    /**
     * Validate manuallyApprovesFollowers value
     *
     * @param string $value
     * @param mixed $container A Note
     * @return bool
     * @throws Exception
     */
    public function validate($value, $container): bool
    {
        // Validate that container is a Person
        Util::subclassOf($container, Type\Extended\Object\Note::class, true);

        return $this->validateString($value);
    }
}