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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Arthur Schiwon <[email protected]> |
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* @author Bart Visscher <[email protected]> |
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* @author Christoph Wurst <[email protected]> |
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* @author Hemanth Kumar Veeranki <[email protected]> |
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* @author Joas Schilling <[email protected]> |
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* @author Michael Göhler <[email protected]> |
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* @author Morris Jobke <[email protected]> |
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* @author Roeland Jago Douma <[email protected]> |
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* @author Thomas Müller <[email protected]> |
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* @author Vincent Petry <[email protected]> |
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* |
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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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namespace OC\Setup; |
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use OC\DB\ConnectionAdapter; |
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use OC\DB\MySqlTools; |
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use OCP\IDBConnection; |
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use OCP\ILogger; |
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use Doctrine\DBAL\Platforms\MySQL80Platform; |
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class MySQL extends AbstractDatabase { |
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public $dbprettyname = 'MySQL/MariaDB'; |
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public function setupDatabase($username) { |
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//check if the database user has admin right |
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$connection = $this->connect(['dbname' => null]); |
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// detect mb4 |
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$tools = new MySqlTools(); |
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if ($tools->supports4ByteCharset(new ConnectionAdapter($connection))) { |
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$this->config->setValue('mysql.utf8mb4', true); |
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$connection = $this->connect(['dbname' => null]); |
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} |
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$this->createSpecificUser($username, new ConnectionAdapter($connection)); |
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//create the database |
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$this->createDatabase($connection); |
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//fill the database if needed |
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$query = 'select count(*) from information_schema.tables where table_schema=? AND table_name = ?'; |
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$connection->executeQuery($query, [$this->dbName, $this->tablePrefix.'users']); |
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$connection->close(); |
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$connection = $this->connect(); |
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try { |
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$connection->connect(); |
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} catch (\Exception $e) { |
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$this->logger->logException($e); |
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throw new \OC\DatabaseSetupException($this->trans->t('MySQL username and/or password not valid'), |
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$this->trans->t('You need to enter details of an existing account.'), 0, $e); |
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} |
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} |
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/** |
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* @param \OC\DB\Connection $connection |
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*/ |
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private function createDatabase($connection) { |
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try { |
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$name = $this->dbName; |
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$user = $this->dbUser; |
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//we can't use OC_DB functions here because we need to connect as the administrative user. |
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$characterSet = $this->config->getValue('mysql.utf8mb4', false) ? 'utf8mb4' : 'utf8'; |
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$query = "CREATE DATABASE IF NOT EXISTS `$name` CHARACTER SET $characterSet COLLATE ${characterSet}_bin;"; |
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$connection->executeUpdate($query); |
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} catch (\Exception $ex) { |
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$this->logger->logException($ex, [ |
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'message' => 'Database creation failed.', |
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'level' => ILogger::ERROR, |
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'app' => 'mysql.setup', |
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]); |
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return; |
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} |
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try { |
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//this query will fail if there aren't the right permissions, ignore the error |
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$query = "GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, EVENT, TRIGGER ON `$name` . * TO '$user'"; |
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$connection->executeUpdate($query); |
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} catch (\Exception $ex) { |
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$this->logger->logException($ex, [ |
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'message' => 'Could not automatically grant privileges, this can be ignored if database user already had privileges.', |
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'level' => ILogger::DEBUG, |
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'app' => 'mysql.setup', |
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]); |
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} |
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} |
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/** |
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* @param IDBConnection $connection |
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* @throws \OC\DatabaseSetupException |
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*/ |
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private function createDBUser($connection) { |
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try { |
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$name = $this->dbUser; |
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$password = $this->dbPassword; |
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// we need to create 2 accounts, one for global use and one for local user. if we don't specify the local one, |
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// the anonymous user would take precedence when there is one. |
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if ($connection->getDatabasePlatform() instanceof Mysql80Platform) { |
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$query = "CREATE USER '$name'@'localhost' IDENTIFIED WITH mysql_native_password BY '$password'"; |
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$connection->executeUpdate($query); |
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$query = "CREATE USER '$name'@'%' IDENTIFIED WITH mysql_native_password BY '$password'"; |
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$connection->executeUpdate($query); |
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} else { |
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$query = "CREATE USER '$name'@'localhost' IDENTIFIED BY '$password'"; |
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$connection->executeUpdate($query); |
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$query = "CREATE USER '$name'@'%' IDENTIFIED BY '$password'"; |
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$connection->executeUpdate($query); |
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} |
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} catch (\Exception $ex) { |
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$this->logger->logException($ex, [ |
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'message' => 'Database user creation failed.', |
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'level' => ILogger::ERROR, |
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'app' => 'mysql.setup', |
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]); |
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} |
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} |
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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 = $this->config->getValue('dbuser', false); |
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//we don't have a dbuser specified in config |
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if ($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, [$adminUser]); |
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//current dbuser has admin rights |
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$data = $result->fetchAll(); |
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$result->closeCursor(); |
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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 = $adminUser; |
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//create a random password so we don't need to store the admin password in the config file |
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$this->dbPassword = $this->random->generate(30); |
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$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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} |
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} |
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} catch (\Exception $ex) { |
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$this->logger->logException($ex, [ |
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'message' => 'Can not create a new MySQL user, will continue with the provided user.', |
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'level' => ILogger::INFO, |
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'app' => 'mysql.setup', |
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]); |
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} |
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$this->config->setValues([ |
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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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} |
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nextcloud /
server
Loading history...
This class constant has been deprecated. The supplier of the class has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the constant will be removed from the class and what other constant to use instead.