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<?php
/**
* Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Repair;
use Doctrine\DBAL\Platforms\MySqlPlatform;
use OC\Hooks\BasicEmitter;
class Collation extends BasicEmitter implements \OC\RepairStep {
/**
* @var \OCP\IConfig
*/
protected $config;
/**
* @var \OC\DB\Connection
*/
protected $connection;
/**
* @param \OCP\IConfig $config
* @param \OC\DB\Connection $connection
*/
public function __construct($config, $connection) {
$this->connection = $connection;
$this->config = $config;
}
public function getName() {
return 'Repair MySQL collation';
}
/**
* Fix mime types
*/
public function run() {
if (!$this->connection->getDatabasePlatform() instanceof MySqlPlatform) {
$this->emit('\OC\Repair', 'info', array('Not a mysql database -> nothing to no'));
return;
}
$tables = $this->getAllNonUTF8BinTables($this->connection);
foreach ($tables as $table) {
$query = $this->connection->prepare('ALTER TABLE `' . $table . '` CONVERT TO CHARACTER SET utf8 COLLATE utf8_bin;');
$query->execute();
}
}
/**
* @param \Doctrine\DBAL\Connection $connection
* @return string[]
*/
protected function getAllNonUTF8BinTables($connection) {
$dbName = $this->config->getSystemValue("dbname");
$rows = $connection->fetchAll(
"SELECT DISTINCT(TABLE_NAME) AS `table`" .
" FROM INFORMATION_SCHEMA . COLUMNS" .
" WHERE TABLE_SCHEMA = ?" .
" AND (COLLATION_NAME <> 'utf8_bin' OR CHARACTER_SET_NAME <> 'utf8')" .
" AND TABLE_NAME LIKE \"*PREFIX*%\"",
array($dbName)
);
$result = array();
foreach ($rows as $row) {
$result[] = $row['table'];
}
return $result;
}
}
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