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<?php
/**
* @author Björn Schießle <schiessle@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Federation;
use OC\HintException;
use OCP\IDBConnection;
use OCP\IL10N;
class DbHandler {
/** @var IDBConnection */
private $connection;
/** @var IL10N */
private $l;
/** @var string */
private $dbTable = 'trusted_servers';
/**
* @param IDBConnection $connection
* @param IL10N $il10n
*/
public function __construct(
IDBConnection $connection,
IL10N $il10n
) {
$this->connection = $connection;
$this->IL10N = $il10n;
}
/**
* add server to the list of trusted ownCloud servers
*
* @param $url
* @return int
* @throws HintException
*/
public function add($url) {
$hash = md5($url);
$query = $this->connection->getQueryBuilder();
$query->insert($this->dbTable)
->values(
[
'url' => $query->createParameter('url'),
'url_hash' => $query->createParameter('url_hash'),
]
)
->setParameter('url', $url)
->setParameter('url_hash', $hash);
$result = $query->execute();
if ($result) {
$id = $this->connection->lastInsertId();
// Fallback, if lastInterId() doesn't work we need to perform a select
// to get the ID (seems to happen sometimes on Oracle)
if (!$id) {
$server = $this->get($url);
$id = $server['id'];
}
return $id;
} else {
$message = 'Internal failure, Could not add ownCloud as trusted server: ' . $url;
$message_t = $this->l->t('Could not add server');
throw new HintException($message, $message_t);
}
}
/**
* remove server from the list of trusted ownCloud servers
*
* @param int $id
*/
public function remove($id) {
$query = $this->connection->getQueryBuilder();
$query->delete($this->dbTable)
->where($query->expr()->eq('id', $query->createParameter('id')))
->setParameter('id', $id);
$query->execute();
}
/**
* get trusted server from database
*
* @param $url
* @return mixed
*/
public function get($url) {
$query = $this->connection->getQueryBuilder();
$query->select('url', 'id')->from($this->dbTable)
->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
->setParameter('url_hash', md5($url));
return $query->execute()->fetch();
}
/**
* get all trusted servers
*
* @return array
*/
public function getAll() {
$query = $this->connection->getQueryBuilder();
$query->select('url', 'id')->from($this->dbTable);
$result = $query->execute()->fetchAll();
return $result;
}
/**
* check if server already exists in the database table
*
* @param string $url
* @return bool
*/
public function exists($url) {
$query = $this->connection->getQueryBuilder();
$query->select('url')->from($this->dbTable)
->where($query->expr()->eq('url_hash', $query->createParameter('url_hash')))
->setParameter('url_hash', md5($url));
$result = $query->execute()->fetchAll();
return !empty($result);
}
}
|
