mirror of
https://github.com/espocrm/espocrm.git
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301 lines
8.5 KiB
PHP
301 lines
8.5 KiB
PHP
<?php
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/************************************************************************
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* This file is part of EspoCRM.
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*
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* EspoCRM - Open Source CRM application.
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* Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
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* Website: https://www.espocrm.com
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*
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* EspoCRM is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* EspoCRM 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
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************************************************************************/
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namespace Espo\Core\Utils\Database;
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use Espo\Core\Utils\Util;
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use Espo\ORM\Entity;
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class Helper
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{
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private $config;
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private $connection;
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protected $drivers = array(
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'mysqli' => '\Espo\Core\Utils\Database\DBAL\Driver\Mysqli\Driver',
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'pdo_mysql' => '\Espo\Core\Utils\Database\DBAL\Driver\PDOMySql\Driver',
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);
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public function __construct(\Espo\Core\Utils\Config $config = null)
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{
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$this->config = $config;
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}
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protected function getConfig()
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{
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return $this->config;
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}
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public function getDbalConnection()
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{
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if (!isset($this->connection)) {
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$this->connection = $this->createDbalConnection();
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}
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return $this->connection;
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}
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public function setDbalConnection($dbalConnection)
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{
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$this->connection = $dbalConnection;
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}
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public function createDbalConnection(array $params = null)
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{
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if (!isset($params)) {
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$config = $this->getConfig();
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if ($config) {
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$params = $config->get('database');
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}
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}
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$params['driver'] = isset($params['driver']) ? $params['driver'] : 'pdo_mysql';
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if (empty($params['dbname']) || empty($params['user'])) {
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return null;
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}
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$params['driverClass'] = $this->drivers[ $params['driver'] ];
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unset($params['driver']);
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$dbalConfig = new \Doctrine\DBAL\Configuration();
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return \Doctrine\DBAL\DriverManager::getConnection($params, $dbalConfig);
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}
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/**
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* Create PDO connection
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* @param array $params
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* @return \Pdo| \PDOException
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*/
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public function createPdoConnection(array $params = null)
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{
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if (!isset($params)) {
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$params = $this->getConfig()->get('database');
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}
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$platform = !empty($params['platform']) ? strtolower($params['platform']) : 'mysql';
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$port = empty($params['port']) ? '' : ';port=' . $params['port'];
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$dbname = empty($params['dbname']) ? '' : ';dbname=' . $params['dbname'];
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$options = array();
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if (isset($params['sslCA'])) {
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$options[PDO::MYSQL_ATTR_SSL_CA] = $params['sslCA'];
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}
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if (isset($params['sslCert'])) {
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$options[PDO::MYSQL_ATTR_SSL_CERT] = $params['sslCert'];
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}
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if (isset($params['sslKey'])) {
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$options[PDO::MYSQL_ATTR_SSL_KEY] = $params['sslKey'];
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}
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if (isset($params['sslCAPath'])) {
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$options[PDO::MYSQL_ATTR_SSL_CAPATH] = $params['sslCAPath'];
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}
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if (isset($params['sslCipher'])) {
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$options[PDO::MYSQL_ATTR_SSL_CIPHER] = $params['sslCipher'];
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}
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$dsn = $platform . ':host='.$params['host'].$port.$dbname;
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$dbh = new \PDO($dsn, $params['user'], $params['password'], $options);
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return $dbh;
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}
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/**
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* Get maximum index length. If $tableName is empty get a value for all database tables
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*
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* @param string|null $tableName
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*
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* @return int
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*/
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public function getMaxIndexLength($tableName = null, $default = 1000)
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{
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$tableEngine = $this->getTableEngine($tableName);
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if (!$tableEngine) {
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return $default;
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}
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switch ($tableEngine) {
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case 'InnoDB':
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$databaseType = $this->getDatabaseType();
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$version = $this->getDatabaseVersion();
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switch ($databaseType) {
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case 'MariaDB':
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if (version_compare($version, '10.2.2') >= 0) {
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return 3072; //InnoDB, MariaDB 10.2.2+
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}
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break;
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case 'MySQL':
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if (version_compare($version, '5.7.0') >= 0) {
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return 3072; //InnoDB, MySQL 5.7+
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}
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break;
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}
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return 767; //InnoDB
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break;
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}
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return 1000; //MyISAM
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}
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public function getTableMaxIndexLength($tableName, $default = 1000)
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{
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return $this->getMaxIndexLength($tableName, $default);
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}
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/**
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* Get database type (MySQL, MariaDB)
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* @return string
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*/
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public function getDatabaseType($default = 'MySQL')
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{
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$connection = $this->getDbalConnection();
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if (!$connection) {
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return $default;
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}
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$version = $this->getFullDatabaseVersion();
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if (preg_match('/mariadb/i', $version)) {
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return 'MariaDB';
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}
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return $default;
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}
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protected function getFullDatabaseVersion()
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{
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$connection = $this->getDbalConnection();
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if (!$connection) {
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return null;
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}
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return $connection->fetchColumn("select version()");
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}
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/**
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* Get Database version
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* @return string|null
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*/
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public function getDatabaseVersion()
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{
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$fullVersion = $this->getFullDatabaseVersion();
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if (preg_match('/[0-9]+\.[0-9]+\.[0-9]+/', $fullVersion, $match)) {
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return $match[0];
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}
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}
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/**
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* Get table/database tables engine. If $tableName is empty get a value for all database tables
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*
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* @param string|null $tableName
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*
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* @return string
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*/
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protected function getTableEngine($tableName = null, $default = null)
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{
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$connection = $this->getDbalConnection();
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if (!$connection) {
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return $default;
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}
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$query = "SHOW TABLE STATUS WHERE Engine = 'MyISAM'";
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if (!empty($tableName)) {
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$query = "SHOW TABLE STATUS WHERE Engine = 'MyISAM' AND Name = '" . $tableName . "'";
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}
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$result = $connection->fetchColumn($query);
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if (!empty($result)) {
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return 'MyISAM';
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}
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return 'InnoDB';
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}
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/**
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* Check if full text supports. If $tableName is empty get a value for all database tables
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*
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* @param string $tableName
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*
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* @return boolean
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*/
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public function isSupportsFulltext($tableName = null, $default = false)
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{
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$tableEngine = $this->getTableEngine($tableName);
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if (!$tableEngine) {
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return $default;
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}
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switch ($tableEngine) {
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case 'InnoDB':
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$version = $this->getFullDatabaseVersion();
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if (version_compare($version, '5.6.4') >= 0) {
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return true; //InnoDB, MySQL 5.6.4+
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}
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return false; //InnoDB
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break;
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}
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return true; //MyISAM
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}
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public function isTableSupportsFulltext($tableName, $default = false)
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{
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return $this->isSupportsFulltext($tableName, $default);
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}
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public function getPdoDatabaseParam($name, \PDO $pdoConnection)
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{
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if (!method_exists($pdoConnection, 'prepare')) {
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return null;
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}
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$sth = $pdoConnection->prepare("SHOW VARIABLES LIKE '" . $name . "'");
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$sth->execute();
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$res = $sth->fetch(\PDO::FETCH_NUM);
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$version = empty($res[1]) ? null : $res[1];
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return $version;
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}
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public function getPdoDatabaseVersion(\PDO $pdoConnection)
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{
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return $this->getPdoDatabaseParam('version', $pdoConnection);
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}
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}
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