friendica/src/Factory/DBFactory.php

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<?php
namespace Friendica\Factory;
use Friendica\Core\Config\Cache;
use Friendica\Database;
use Friendica\Util\Profiler;
class DBFactory
{
/**
* Initialize the DBA connection
*
* @param string $basePath The basepath of the application
* @param Cache\IConfigCache $configCache The configuration cache
* @param Profiler $profiler The profiler
* @param array $server The $_SERVER variables
*
* @throws \Exception if connection went bad
*
* @todo refactor basedir during https://github.com/friendica/friendica/issues/6720
*/
public static function init($basePath, Cache\IConfigCache $configCache, Profiler $profiler, array $server)
{
if (Database\DBA::connected()) {
return;
}
$db_host = $configCache->get('database', 'hostname');
$db_user = $configCache->get('database', 'username');
$db_pass = $configCache->get('database', 'password');
$db_data = $configCache->get('database', 'database');
$charset = $configCache->get('database', 'charset');
// Use environment variables for mysql if they are set beforehand
if (!empty($server['MYSQL_HOST'])
&& !empty($server['MYSQL_USERNAME'] || !empty($server['MYSQL_USER']))
&& $server['MYSQL_PASSWORD'] !== false
&& !empty($server['MYSQL_DATABASE']))
{
$db_host = $server['MYSQL_HOST'];
if (!empty($server['MYSQL_PORT'])) {
$db_host .= ':' . $server['MYSQL_PORT'];
}
if (!empty($server['MYSQL_USERNAME'])) {
$db_user = $server['MYSQL_USERNAME'];
} else {
$db_user = $server['MYSQL_USER'];
}
$db_pass = (string) $server['MYSQL_PASSWORD'];
$db_data = $server['MYSQL_DATABASE'];
}
if (Database\DBA::connect($basePath, $configCache, $profiler, $db_host, $db_user, $db_pass, $db_data, $charset)) {
// Loads DB_UPDATE_VERSION constant
Database\DBStructure::definition($basePath, false);
}
unset($db_host, $db_user, $db_pass, $db_data, $charset);
}
}