AbstractPlatform.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Install\SystemEnvironment\DatabaseCheck\Platform;
 
use ‪TYPO3\CMS\Core\Database\Connection;
use ‪TYPO3\CMS\Core\Messaging\FlashMessage;
use ‪TYPO3\CMS\Core\Messaging\FlashMessageQueue;
use ‪TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
 
abstract class ‪AbstractPlatform implements ‪PlatformCheckInterface
{
    protected ‪$messageQueue;
 
    protected const ‪SCHEMA_NAME_MAX_LENGTH = 64;
 
    public function ‪__construct()
    {
        $this->messageQueue = new ‪FlashMessageQueue('install-database-check-platform');
    }
 
    public function ‪getMessageQueue(): ‪FlashMessageQueue
    {
        return ‪$this->messageQueue;
    }
 
    public function ‪getStatus(): ‪FlashMessageQueue
    {
        return ‪$this->messageQueue;
    }
 
    public static function ‪isValidDatabaseName(string $databaseName): bool
    {
        return strlen($databaseName) <= static::SCHEMA_NAME_MAX_LENGTH && preg_match('/^[a-zA-Z0-9\$_]*$/', $databaseName);
    }
 
    protected function ‪checkDatabaseName(‪Connection $connection): void
    {
        if (static::isValidDatabaseName((string)$connection->getDatabase())) {
            return;
        }
 
        $this->messageQueue->enqueue(
            new ‪FlashMessage(
                'The given database name must not be longer than ' . static::SCHEMA_NAME_MAX_LENGTH . ' characters'
                . ' and consist solely of basic latin letters (a-z), digits (0-9), dollar signs ($)'
                . ' and underscores (_).',
                'Database name not valid',
                ContextualFeedbackSeverity::ERROR
            )
        );
    }
}