myaac/system/database.php

<?php
/**
 * Database connection
 *
 * @package   MyAAC
 * @author    Slawkens <slawkens@gmail.com>
 * @copyright 2019 MyAAC
 * @link      https://my-aac.org
 */
defined('MYAAC') or die('Direct access not allowed!');

if (!isset($config['database_overwrite'])) {
	$config['database_overwrite'] = false;
}

if(!$config['database_overwrite'] && !isset($config['database_user'][0], $config['database_password'][0], $config['database_name'][0]))
{
	if(isset($config['lua']['sqlType'])) {// tfs 0.3
		if(isset($config['lua']['mysqlHost'])) {// tfs 0.2
			$config['otserv_version'] = TFS_02;
			$config['database_type'] = 'mysql';
			$config['database_host'] = $config['lua']['mysqlHost'];
			$config['database_port'] = $config['lua']['mysqlPort'];
			$config['database_user'] = $config['lua']['mysqlUser'];
			$config['database_password'] = $config['lua']['mysqlPass'];
			$config['database_name'] = $config['lua']['mysqlDatabase'];
			$config['database_encryption'] = $config['lua']['passwordType'];
		}
		else {
			$config['otserv_version'] = TFS_03;
			$config['database_type'] = $config['lua']['sqlType'];
			$config['database_host'] = $config['lua']['sqlHost'];
			$config['database_port'] = $config['lua']['sqlPort'];
			$config['database_user'] = $config['lua']['sqlUser'];
			$config['database_password'] = $config['lua']['sqlPass'];
			$config['database_name'] = $config['lua']['sqlDatabase'];

			$config['database_encryption'] = $config['lua']['encryptionType'];
			if(!isset($config['database_encryption']) || empty($config['database_encryption'])) // before 0.3.6
				$config['database_encryption'] = $config['lua']['passwordType'];
		}
	}
	else if(isset($config['lua']['mysqlHost'])) // tfs 1.0
	{
		$config['otserv_version'] = TFS_02;
		$config['database_type'] = 'mysql';
		$config['database_host'] = $config['lua']['mysqlHost'];
		$config['database_port'] = $config['lua']['mysqlPort'];
		$config['database_user'] = $config['lua']['mysqlUser'];
		$config['database_password'] = $config['lua']['mysqlPass'];
		$config['database_name'] = $config['lua']['mysqlDatabase'];
		if(!isset($config['database_socket'][0])) {
			$config['database_socket'] = isset($config['lua']['mysqlSock']) ? trim($config['lua']['mysqlSock']) : '';
		}
		$config['database_encryption'] = 'sha1';
	}
	else if(isset($config['lua']['database_type'])) // otserv
	{
		$config['otserv_version'] = OTSERV;
		$config['database_type'] = $config['lua']['database_type'];
		$config['database_host'] = $config['lua']['database_host'];
		$config['database_port'] = $config['lua']['database_port'];
		$config['database_user'] = $config['lua']['database_username'];
		$config['database_password'] = $config['lua']['database_password'];
		$config['database_name'] = $config['lua']['database_schema'];
		$config['database_encryption'] = isset($config['lua']['passwordtype']) ? $config['lua']['passwordtype'] : $config['lua']['password_type'];
		$config['database_salt'] = isset($config['lua']['passwordsalt']) ? $config['lua']['passwordsalt'] : $config['lua']['password_salt'];
	}
	else if(isset($config['lua']['sql_host'])) // otserv 0.6.3 / 0.6.4
	{
		$config['otserv_version'] = OTSERV_06;
		$config['database_type'] = $config['lua']['sql_type'];
		$config['database_host'] = $config['lua']['sql_host'];
		$config['database_port'] = $config['lua']['sql_port'];
		$config['database_user'] = $config['lua']['sql_user'];
		$config['database_password'] = $config['lua']['sql_pass'];
		$config['database_name'] = $config['lua']['sql_db'];
		$config['database_encryption'] = isset($config['lua']['passwordtype']) ? $config['lua']['passwordtype'] : $config['lua']['password_type'];
		$config['database_salt'] = isset($config['lua']['passwordsalt']) ? $config['lua']['passwordsalt'] : $config['lua']['password_salt'];
	}
}

if(isset($config['lua']['useMD5Passwords']) && getBoolean($config['lua']['useMD5Passwords']))
	$config['database_encryption'] = 'md5';

if(!isset($config['database_log'])) {
	$config['database_log'] = false;
}

if(!isset($config['database_socket'])) {
	$config['database_socket'] = '';
}

try {
	$ots->connect(array(
			'host' => $config['database_host'],
			'user' => $config['database_user'],
			'password' => $config['database_password'],
			'database' => $config['database_name'],
			'log' => $config['database_log'],
			'socket' => @$config['database_socket'],
			'persistent' => @$config['database_persistent']
		)
	);

	$db = POT::getInstance()->getDBHandle();
}
catch(PDOException $error) {
	if(isset($cache) && $cache->enabled()) {
		$cache->delete('config_lua');
	}

	if(defined('MYAAC_INSTALL')) {
		return; // installer will take care of this
	}

	throw new RuntimeException('ERROR: Cannot connect to MySQL database.<br/>' .
		'Possible reasons:' .
		'<ul>' .
			'<li>MySQL is not configured propertly in <i>config.lua</i>.</li>' .
			'<li>MySQL server is not running.</li>' .
		'</ul>' . $error->getMessage());
}