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<?php
/**
* Database class to create backups
*
* This file is part of Zoph.
*
* Zoph is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Zoph 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Zoph; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @package Zoph
* @author Jeroen Roos
*/
namespace db;
use db\exception\backup as databaseBackupException;
/**
* Create a backup of the database
*
* @package Zoph
* @author Jeroen Roos
*/
class backup {
private $host;
private $dbname;
private $user;
private $pass;
public function __construct(string $rootpwd = null) {
$db=db::getLoginDetails();
$this->host = escapeshellarg($db["host"]);
$this->dbname = escapeshellarg($db["dbname"]);
if ($rootpwd) {
$this->user = escapeshellarg("root");
$this->pass = escapeshellarg($rootpwd);
} else {
$this->user = escapeshellarg($db["user"]);
$this->pass = escapeshellarg($db["pass"]);
}
}
public function execute() {
$mysqldumpDescSpec = array(
1 => array("pipe", "w"),
2 => array("pipe", "w")
);
$mysqldump = proc_open("mysqldump" .
" -h " . $this->host .
" -u " . $this->user .
" -p" . $this->pass .
" " . $this->dbname, $mysqldumpDescSpec, $mysqlPipes);
$backup = stream_get_contents($mysqlPipes[1]);
$mysqlError = stream_get_contents($mysqlPipes[2]);
if (proc_close($mysqldump) !== 0) {
throw new databaseBackupException("MySQL: " . $mysqlError);
}
return gzencode($backup, 9);
}
}
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