2013-03-29 19:28:48 +04:00
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<?php
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2015-03-26 13:44:34 +03:00
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/**
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Michael Göhler <somebody.here@gmx.de>
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2016-01-12 17:02:16 +03:00
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* @author Roeland Jago Douma <rullzer@owncloud.com>
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2015-10-05 21:54:56 +03:00
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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2015-03-26 13:44:34 +03:00
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*
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2016-01-12 17:02:16 +03:00
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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2015-03-26 13:44:34 +03:00
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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2013-03-29 19:28:48 +04:00
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namespace OC\Setup;
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2015-07-29 19:09:23 +03:00
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use OC\DB\ConnectionFactory;
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2015-07-30 01:04:30 +03:00
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use OCP\IDBConnection;
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2015-07-29 19:09:23 +03:00
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2013-04-03 00:01:23 +04:00
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class MySQL extends AbstractDatabase {
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2014-02-07 19:09:31 +04:00
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public $dbprettyname = 'MySQL/MariaDB';
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2013-04-03 19:52:18 +04:00
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2013-04-03 00:01:23 +04:00
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public function setupDatabase($username) {
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2013-03-29 19:28:48 +04:00
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//check if the database user has admin right
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2015-07-29 19:09:23 +03:00
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$connection = $this->connect();
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2013-03-29 19:28:48 +04:00
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2015-07-30 01:04:30 +03:00
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$this->createSpecificUser($username, $connection);
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2013-03-29 19:28:48 +04:00
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2014-07-29 12:52:51 +04:00
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//create the database
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$this->createDatabase($connection);
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2013-03-29 19:28:48 +04:00
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//fill the database if needed
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2015-07-30 01:04:30 +03:00
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$query='select count(*) from information_schema.tables where table_schema=? AND table_name = ?';
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$result = $connection->executeQuery($query, [$this->dbName, $this->tablePrefix.'users']);
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2015-07-29 19:09:23 +03:00
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$row = $result->fetch();
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2013-03-29 19:28:48 +04:00
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if(!$result or $row[0]==0) {
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2013-06-27 22:19:51 +04:00
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\OC_DB::createDbFromStructure($this->dbDefinitionFile);
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2013-03-29 19:28:48 +04:00
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}
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}
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2015-07-29 19:09:23 +03:00
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/**
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* @param \OC\DB\Connection $connection
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*/
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2013-04-03 00:01:23 +04:00
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private function createDatabase($connection) {
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2015-07-30 01:04:30 +03:00
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try{
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$name = $this->dbName;
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$user = $this->dbUser;
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//we cant use OC_BD functions here because we need to connect as the administrative user.
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$query = "CREATE DATABASE IF NOT EXISTS `$name` CHARACTER SET utf8 COLLATE utf8_bin;";
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$connection->executeUpdate($query);
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//this query will fail if there aren't the right permissions, ignore the error
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$query="GRANT ALL PRIVILEGES ON `$name` . * TO '$user'";
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$connection->executeUpdate($query);
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} catch (\Exception $ex) {
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$this->logger->error('Database creation failed: {error}', [
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'app' => 'mysql.setup',
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'error' => $ex->getMessage()
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]);
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}
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2013-03-29 19:28:48 +04:00
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}
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2015-07-29 19:09:23 +03:00
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/**
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2015-07-30 01:04:30 +03:00
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* @param IDbConnection $connection
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2015-07-29 19:09:23 +03:00
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* @throws \OC\DatabaseSetupException
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*/
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2013-04-03 00:01:23 +04:00
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private function createDBUser($connection) {
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2015-07-29 19:09:23 +03:00
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$name = $this->dbUser;
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$password = $this->dbPassword;
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2013-03-29 19:28:48 +04:00
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// we need to create 2 accounts, one for global use and one for local user. if we don't specify the local one,
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// the anonymous user would take precedence when there is one.
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$query = "CREATE USER '$name'@'localhost' IDENTIFIED BY '$password'";
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2015-07-29 19:09:23 +03:00
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$connection->executeUpdate($query);
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2013-03-29 19:28:48 +04:00
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$query = "CREATE USER '$name'@'%' IDENTIFIED BY '$password'";
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2015-07-29 19:09:23 +03:00
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$connection->executeUpdate($query);
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}
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/**
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* @return \OC\DB\Connection
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* @throws \OC\DatabaseSetupException
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*/
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private function connect() {
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2015-12-07 14:00:31 +03:00
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2015-07-29 19:09:23 +03:00
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$connectionParams = array(
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2015-12-07 14:00:31 +03:00
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'host' => $this->dbHost,
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'user' => $this->dbUser,
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'password' => $this->dbPassword,
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'tablePrefix' => $this->tablePrefix,
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2015-07-29 19:09:23 +03:00
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);
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2015-12-07 14:00:31 +03:00
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// adding port support
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if (strpos($this->dbHost, ':')) {
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// Host variable may carry a port or socket.
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list($host, $portOrSocket) = explode(':', $this->dbHost, 2);
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if (ctype_digit($portOrSocket)) {
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$connectionParams['port'] = $portOrSocket;
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} else {
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$connectionParams['unix_socket'] = $portOrSocket;
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}
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$connectionParams['host'] = $host;
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}
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2015-07-29 19:09:23 +03:00
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$cf = new ConnectionFactory();
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2015-12-07 14:00:31 +03:00
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return $cf->getConnection('mysql', $connectionParams);
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2013-03-29 19:28:48 +04:00
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}
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2015-07-30 01:04:30 +03:00
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/**
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* @param $username
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* @param IDBConnection $connection
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* @return array
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*/
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private function createSpecificUser($username, $connection) {
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try {
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//user already specified in config
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$oldUser = $this->config->getSystemValue('dbuser', false);
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//we don't have a dbuser specified in config
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if ($this->dbUser !== $oldUser) {
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//add prefix to the admin username to prevent collisions
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$adminUser = substr('oc_' . $username, 0, 16);
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$i = 1;
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while (true) {
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//this should be enough to check for admin rights in mysql
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$query = 'SELECT user FROM mysql.user WHERE user=?';
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$result = $connection->executeQuery($query, [$adminUser]);
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//current dbuser has admin rights
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if ($result) {
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$data = $result->fetchAll();
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//new dbuser does not exist
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if (count($data) === 0) {
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//use the admin login data for the new database user
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$this->dbUser = $adminUser;
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//create a random password so we don't need to store the admin password in the config file
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2016-01-11 22:05:30 +03:00
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$this->dbPassword = $this->random->generate(30);
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2015-07-30 01:04:30 +03:00
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$this->createDBUser($connection);
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break;
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} else {
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//repeat with different username
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$length = strlen((string)$i);
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$adminUser = substr('oc_' . $username, 0, 16 - $length) . $i;
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$i++;
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}
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} else {
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break;
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}
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};
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}
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} catch (\Exception $ex) {
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$this->logger->error('Specific user creation failed: {error}', [
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'app' => 'mysql.setup',
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'error' => $ex->getMessage()
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]);
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}
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$this->config->setSystemValues([
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'dbuser' => $this->dbUser,
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'dbpassword' => $this->dbPassword,
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]);
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}
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2013-03-29 19:28:48 +04:00
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}
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