Driver.php

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<?php
declare(strict_types = 1);
 
namespace ‪TYPO3\CMS\Core\Database\Driver\PDOPgSql;
 
/*
 * 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!
 */
 
use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\Driver\PDOPgSql\Driver as DoctrineDbalPDOPgSqlDriver;
use PDO;
use PDOException;
use ‪TYPO3\CMS\Core\Database\Driver\PDOConnection;
 
class ‪Driver extends DoctrineDbalPDOPgSqlDriver
{
    public function ‪connect(array $params, $username = null, $password = null, array $driverOptions = [])
    {
        try {
            $pdo = new ‪PDOConnection(
                $this->‪_constructPdoDsn($params),
                $username,
                $password,
                $driverOptions
            );
 
            if (defined('PDO::PGSQL_ATTR_DISABLE_PREPARES')
                && (
                    ! isset($driverOptions[PDO::PGSQL_ATTR_DISABLE_PREPARES])
                    || $driverOptions[PDO::PGSQL_ATTR_DISABLE_PREPARES] === true
                )
            ) {
                $pdo->setAttribute(PDO::PGSQL_ATTR_DISABLE_PREPARES, true);
            }
 
            /* defining client_encoding via SET NAMES to avoid inconsistent DSN support
             * - the 'client_encoding' connection param only works with postgres >= 9.1
             * - passing client_encoding via the 'options' param breaks pgbouncer support
             */
            if (isset($params['charset'])) {
                $pdo->exec('SET NAMES \'' . $params['charset'] . '\'');
            }
 
            return $pdo;
        } catch (PDOException $e) {
            throw DBALException::driverException($this, $e);
        }
    }
 
    private function ‪_constructPdoDsn(array $params)
    {
        $dsn = 'pgsql:';
 
        if (isset($params['host']) && $params['host'] !== '') {
            $dsn .= 'host=' . $params['host'] . ';';
        }
 
        if (isset($params['port']) && $params['port'] !== '') {
            $dsn .= 'port=' . $params['port'] . ';';
        }
 
        if (isset($params['dbname'])) {
            $dsn .= 'dbname=' . $params['dbname'] . ';';
        } elseif (isset($params['default_dbname'])) {
            $dsn .= 'dbname=' . $params['default_dbname'] . ';';
        } else {
            // Used for temporary connections to allow operations like dropping the database currently connected to.
            // Connecting without an explicit database does not work, therefore "postgres" database is used
            // as it is mostly present in every server setup.
            $dsn .= 'dbname=postgres;';
        }
 
        if (isset($params['sslmode'])) {
            $dsn .= 'sslmode=' . $params['sslmode'] . ';';
        }
 
        if (isset($params['sslrootcert'])) {
            $dsn .= 'sslrootcert=' . $params['sslrootcert'] . ';';
        }
 
        if (isset($params['sslcert'])) {
            $dsn .= 'sslcert=' . $params['sslcert'] . ';';
        }
 
        if (isset($params['sslkey'])) {
            $dsn .= 'sslkey=' . $params['sslkey'] . ';';
        }
 
        if (isset($params['sslcrl'])) {
            $dsn .= 'sslcrl=' . $params['sslcrl'] . ';';
        }
 
        if (isset($params['application_name'])) {
            $dsn .= 'application_name=' . $params['application_name'] . ';';
        }
 
        return $dsn;
    }
}