259 lines
8.1 KiB
PHP
259 lines
8.1 KiB
PHP
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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 Andreas Fischer <bantu@owncloud.com>
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Daniel Kesselberg <mail@danielkesselberg.de>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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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\DB;
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use Doctrine\Common\EventManager;
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use Doctrine\DBAL\Configuration;
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use Doctrine\DBAL\DriverManager;
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use Doctrine\DBAL\Event\Listeners\OracleSessionInit;
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use Doctrine\DBAL\Event\Listeners\SQLSessionInit;
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use OC\SystemConfig;
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/**
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* Takes care of creating and configuring Doctrine connections.
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*/
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class ConnectionFactory {
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/** @var string default database name */
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public const DEFAULT_DBNAME = 'owncloud';
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/** @var string default database table prefix */
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public const DEFAULT_DBTABLEPREFIX = 'oc_';
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/**
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* @var array
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*
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* Array mapping DBMS type to default connection parameters passed to
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* \Doctrine\DBAL\DriverManager::getConnection().
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*/
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protected $defaultConnectionParams = [
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'mysql' => [
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'adapter' => AdapterMySQL::class,
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'charset' => 'UTF8',
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'driver' => 'pdo_mysql',
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'wrapperClass' => Connection::class,
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],
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'oci' => [
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'adapter' => AdapterOCI8::class,
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'charset' => 'AL32UTF8',
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'driver' => 'oci8',
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'wrapperClass' => OracleConnection::class,
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],
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'pgsql' => [
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'adapter' => AdapterPgSql::class,
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'driver' => 'pdo_pgsql',
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'wrapperClass' => Connection::class,
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],
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'sqlite3' => [
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'adapter' => AdapterSqlite::class,
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'driver' => 'pdo_sqlite',
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'wrapperClass' => Connection::class,
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],
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];
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/** @var SystemConfig */
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private $config;
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/**
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* ConnectionFactory constructor.
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*
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* @param SystemConfig $systemConfig
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*/
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public function __construct(SystemConfig $systemConfig) {
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$this->config = $systemConfig;
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if ($this->config->getValue('mysql.utf8mb4', false)) {
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$this->defaultConnectionParams['mysql']['charset'] = 'utf8mb4';
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}
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}
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/**
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* @brief Get default connection parameters for a given DBMS.
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* @param string $type DBMS type
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* @throws \InvalidArgumentException If $type is invalid
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* @return array Default connection parameters.
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*/
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public function getDefaultConnectionParams($type) {
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$normalizedType = $this->normalizeType($type);
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if (!isset($this->defaultConnectionParams[$normalizedType])) {
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throw new \InvalidArgumentException("Unsupported type: $type");
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}
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$result = $this->defaultConnectionParams[$normalizedType];
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// \PDO::MYSQL_ATTR_FOUND_ROWS may not be defined, e.g. when the MySQL
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// driver is missing. In this case, we won't be able to connect anyway.
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if ($normalizedType === 'mysql' && defined('\PDO::MYSQL_ATTR_FOUND_ROWS')) {
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$result['driverOptions'] = [
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\PDO::MYSQL_ATTR_FOUND_ROWS => true,
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];
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}
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return $result;
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}
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/**
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* @brief Get default connection parameters for a given DBMS.
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* @param string $type DBMS type
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* @param array $additionalConnectionParams Additional connection parameters
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* @return \OC\DB\Connection
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*/
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public function getConnection($type, $additionalConnectionParams) {
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$normalizedType = $this->normalizeType($type);
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$eventManager = new EventManager();
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$eventManager->addEventSubscriber(new SetTransactionIsolationLevel());
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switch ($normalizedType) {
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case 'mysql':
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$eventManager->addEventSubscriber(
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new SQLSessionInit("SET SESSION AUTOCOMMIT=1"));
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break;
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case 'oci':
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$eventManager->addEventSubscriber(new OracleSessionInit);
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// the driverOptions are unused in dbal and need to be mapped to the parameters
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if (isset($additionalConnectionParams['driverOptions'])) {
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$additionalConnectionParams = array_merge($additionalConnectionParams, $additionalConnectionParams['driverOptions']);
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}
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$host = $additionalConnectionParams['host'];
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$port = isset($additionalConnectionParams['port']) ? $additionalConnectionParams['port'] : null;
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$dbName = $additionalConnectionParams['dbname'];
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// we set the connect string as dbname and unset the host to coerce doctrine into using it as connect string
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if ($host === '') {
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$additionalConnectionParams['dbname'] = $dbName; // use dbname as easy connect name
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} else {
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$additionalConnectionParams['dbname'] = '//' . $host . (!empty($port) ? ":{$port}" : "") . '/' . $dbName;
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}
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unset($additionalConnectionParams['host']);
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break;
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case 'sqlite3':
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$journalMode = $additionalConnectionParams['sqlite.journal_mode'];
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$additionalConnectionParams['platform'] = new OCSqlitePlatform();
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$eventManager->addEventSubscriber(new SQLiteSessionInit(true, $journalMode));
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break;
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}
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/** @var Connection $connection */
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$connection = DriverManager::getConnection(
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array_merge($this->getDefaultConnectionParams($type), $additionalConnectionParams),
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new Configuration(),
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$eventManager
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);
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return $connection;
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}
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/**
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* @brief Normalize DBMS type
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* @param string $type DBMS type
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* @return string Normalized DBMS type
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*/
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public function normalizeType($type) {
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return $type === 'sqlite' ? 'sqlite3' : $type;
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}
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/**
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* Checks whether the specified DBMS type is valid.
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*
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* @param string $type
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* @return bool
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*/
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public function isValidType($type) {
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$normalizedType = $this->normalizeType($type);
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return isset($this->defaultConnectionParams[$normalizedType]);
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}
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/**
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* Create the connection parameters for the config
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*
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* @return array
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*/
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public function createConnectionParams() {
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$type = $this->config->getValue('dbtype', 'sqlite');
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$connectionParams = [
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'user' => $this->config->getValue('dbuser', ''),
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'password' => $this->config->getValue('dbpassword', ''),
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];
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$name = $this->config->getValue('dbname', self::DEFAULT_DBNAME);
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if ($this->normalizeType($type) === 'sqlite3') {
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$dataDir = $this->config->getValue("datadirectory", \OC::$SERVERROOT . '/data');
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$connectionParams['path'] = $dataDir . '/' . $name . '.db';
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} else {
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$host = $this->config->getValue('dbhost', '');
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$connectionParams = array_merge($connectionParams, $this->splitHostFromPortAndSocket($host));
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$connectionParams['dbname'] = $name;
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}
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$connectionParams['tablePrefix'] = $this->config->getValue('dbtableprefix', self::DEFAULT_DBTABLEPREFIX);
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$connectionParams['sqlite.journal_mode'] = $this->config->getValue('sqlite.journal_mode', 'WAL');
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//additional driver options, eg. for mysql ssl
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$driverOptions = $this->config->getValue('dbdriveroptions', null);
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if ($driverOptions) {
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$connectionParams['driverOptions'] = $driverOptions;
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}
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// set default table creation options
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$connectionParams['defaultTableOptions'] = [
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'collate' => 'utf8_bin',
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'tablePrefix' => $connectionParams['tablePrefix']
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];
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if ($this->config->getValue('mysql.utf8mb4', false)) {
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$connectionParams['defaultTableOptions'] = [
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'collate' => 'utf8mb4_bin',
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'charset' => 'utf8mb4',
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'row_format' => 'compressed',
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'tablePrefix' => $connectionParams['tablePrefix']
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];
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}
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return $connectionParams;
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}
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/**
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* @param string $host
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* @return array
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*/
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protected function splitHostFromPortAndSocket($host): array {
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$params = [
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'host' => $host,
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];
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$matches = [];
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if (preg_match('/^(.*):([^\]:]+)$/', $host, $matches)) {
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// Host variable carries a port or socket.
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$params['host'] = $matches[1];
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if (is_numeric($matches[2])) {
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$params['port'] = (int) $matches[2];
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} else {
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$params['unix_socket'] = $matches[2];
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}
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}
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return $params;
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}
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}
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