Current File : //proc/1857783/root/var/www/k-creatives/wp-content/plugins/duplicator-pro/classes/class.db.php
<?php
defined("ABSPATH") or die("");
if (!defined('DUPLICATOR_PRO_VERSION')) exit; // Exit if accessed directly
/**
* Lightweight abstraction layer for common simple database routines
*
* Standard: PSR-2
*
* @package SC\DupPro\DB
*
*/
class DUP_PRO_DB extends wpdb
{
public static $remove_placeholder_escape_exists = null;
public static $use_mysqli = false;
public static function init()
{
global $wpdb;
self::$remove_placeholder_escape_exists = method_exists($wpdb, 'remove_placeholder_escape');
}
/**
* Get the requested MySQL system variable
*
* @param string $variable The database variable name to lookup
*
* @return string the server variable to query for
*/
public static function getVariable($variable)
{
global $wpdb;
$row = $wpdb->get_row("SHOW VARIABLES LIKE '{$variable}'", ARRAY_N);
return isset($row[1]) ? $row[1] : null;
}
/**
* Gets the MySQL database version number
*
* @param bool $full True: Gets the full version if available (i.e 10.2.3-MariaDB)
* False: Gets only the numeric portion i.e. (5.5.6 -or- 10.1.2)
*
* @return false|string 0 on failure, version number on success
*/
public static function getVersion($full = false)
{
global $wpdb;
if ($full) {
$version = self::getVariable('version');
} else {
$version = preg_replace('/[^0-9.].*/', '', self::getVariable('version'));
}
//Fall-back for servers that have restricted SQL for SHOW statement
//Note: For MariaDB this will report something like 5.5.5 when it is really 10.2.1.
//This mainly is due to mysqli_get_server_info method which gets the version comment
//and uses a regex vs getting just the int version of the value. So while the former
//code above is much more accurate it may fail in rare situations
if (empty($version)) {
$version = $wpdb->db_version();
}
return empty($version) ? 0 : $version;
}
/**
* Try to return the mysqldump path on Windows servers
*
* @return boolean|string
*/
public static function getWindowsMySqlDumpRealPath() {
if(function_exists('php_ini_loaded_file'))
{
$get_php_ini_path = php_ini_loaded_file();
if(@file_exists($get_php_ini_path))
{
$search = array(
dirname(dirname($get_php_ini_path)).'/mysql/bin/mysqldump.exe',
dirname(dirname(dirname($get_php_ini_path))).'/mysql/bin/mysqldump.exe',
dirname(dirname($get_php_ini_path)).'/mysql/bin/mysqldump',
dirname(dirname(dirname($get_php_ini_path))).'/mysql/bin/mysqldump',
);
foreach($search as $mysqldump)
{
if(@file_exists($mysqldump))
{
return str_replace("\\","/",$mysqldump);
}
}
}
}
unset($search);
unset($get_php_ini_path);
return false;
}
/**
* Returns the mysqldump path if the server is enabled to execute it
*
* @return boolean|string
*/
public static function getMySqlDumpPath($is_executeble = true)
{
$global = DUP_PRO_Global_Entity::get_instance();
//Is shell_exec possible
if (!DUP_PRO_Shell_U::isShellExecEnabled()) {
return false;
}
$custom_mysqldump_path = (strlen($global->package_mysqldump_path)) ? $global->package_mysqldump_path : '';
//Common Windows Paths
if (DupProSnapLibOSU::isWindows()) {
$paths = array(
$custom_mysqldump_path,
DUP_PRO_DB::getWindowsMySqlDumpRealPath(),
'C:/xampp/mysql/bin/mysqldump.exe',
'C:/Program Files/xampp/mysql/bin/mysqldump',
'C:/Program Files/MySQL/MySQL Server 6.0/bin/mysqldump',
'C:/Program Files/MySQL/MySQL Server 5.5/bin/mysqldump',
'C:/Program Files/MySQL/MySQL Server 5.4/bin/mysqldump',
'C:/Program Files/MySQL/MySQL Server 5.1/bin/mysqldump',
'C:/Program Files/MySQL/MySQL Server 5.0/bin/mysqldump',
);
}
//Common Linux Paths
else {
$paths = array(
$custom_mysqldump_path,
'/usr/local/bin/mysqldump',
'/usr/local/mysql/bin/mysqldump',
'/usr/mysql/bin/mysqldump',
'/usr/bin/mysqldump',
'/opt/local/lib/mysql6/bin/mysqldump',
'/opt/local/lib/mysql5/bin/mysqldump',
'/opt/local/lib/mysql4/bin/mysqldump',
'/usr/bin/mysqldump',
);
//add possible executeable path if that exists instead of empty string
$mysqldump = `which mysqldump`;
if (DUP_PRO_U::isExecutable($mysqldump)) {
$paths[] = (!empty($mysqldump)) ? $mysqldump : '';
}
$mysqldump = dirname(`which mysql`)."/mysqldump";
if (DUP_PRO_U::isExecutable($mysqldump)) {
$paths[] = (!empty($mysqldump)) ? $mysqldump : '';
}
}
$exec_available = function_exists('exec');
foreach ($paths as $path) {
if(@file_exists($path)) {
if (DUP_PRO_U::isExecutable($path)) {
return $path;
}
} elseif ($exec_available) {
$out = array();
$rc = -1;
$cmd = $path . ' --help';
@exec($cmd, $out, $rc);
if ($rc === 0) {
return $path;
}
}
}
unset($paths);
return false;
}
/**
* Get Sql query to create table which is given.
*
* @param string $table Table name
* @return string mysql query create table
*/
private static function getCreateTableQuery($table)
{
$row = $GLOBALS['wpdb']->get_row('SHOW CREATE TABLE `'.esc_sql($table).'`', ARRAY_N);
return $row[1];
}
/**
* Returns all collation types that are assigned to the tables in
* the current database. Each element in the array is unique
*
* @param array $tables A list of tables to include from the search
*
* @return array Returns an array with all the character set being used
*/
public static function getTableCharSetList($tables)
{
$charSets = array();
try {
foreach ($tables as $table) {
$createTableQuery = self::getCreateTableQuery($table);
if (preg_match('/ CHARSET=([^\s;]+)/i', $createTableQuery, $charsetMatch)) {
if (!in_array($charsetMatch[1], $charSets)) {
$charSets[] = $charsetMatch[1];
}
}
}
return $charSets;
} catch (Exception $ex) {
return $charSets;
}
}
/**
* Returns all collation types that are assigned to the tables in
* the current database. Each element in the array is unique
*
* @param array $excludeTables A list of tables to exclude from the search
*
* @return array Returns an array with all the collation types being used
*/
public static function getTableCollationList($excludeTables)
{
global $wpdb;
$collations = array();
try {
$query = $wpdb->get_results("SHOW TABLE STATUS FROM `{$wpdb->dbname}`");
foreach($query as $key => $row) {
if (! in_array($row->Name, $excludeTables)) {
if (! empty($row->Collation))
$collations[] = $row->Collation;
}
}
$collations = array_unique($collations, SORT_STRING);
$collations = array_values($collations);
return $collations;
} catch (Exception $ex) {
return $collations;
}
}
/**
* Returns the correct database build mode PHP, MYSQLDUMP, PHPCHUNKING
*
* @return string Returns a string with one of theses three values PHP, MYSQLDUMP, PHPCHUNKING
*/
public static function getBuildMode()
{
$global = DUP_PRO_Global_Entity::get_instance();
$mysqlDumpPath = DUP_PRO_DB::getMySqlDumpPath();
if (($mysqlDumpPath === false) && ($global->package_mysqldump)) {
DUP_PRO_LOG::trace("Forcing into PHP mode - the mysqldump executable wasn't found!");
$global->package_mysqldump = false;
$global->save();
}
if ($global->package_mysqldump) {
return 'MYSQLDUMP';
} else if($global->package_phpdump_mode == DUP_PRO_PHPDump_Mode::Multithreaded) {
return 'PHPCHUNKING';
} else {
return 'PHP';
}
}
/**
* Returns an escaped sql string
*
* @param string $sql The sql to escape
* @param bool $removePlaceholderEscape Patch for how the default WP function works.
*
* @return boolean|string
* @also see: https://make.wordpress.org/core/2017/10/31/changed-behaviour-of-esc_sql-in-wordpress-4-8-3/
*/
public static function escSQL($sql, $removePlaceholderEscape = false)
{
global $wpdb;
$removePlaceholderEscape = $removePlaceholderEscape && self::$remove_placeholder_escape_exists;
if ($removePlaceholderEscape) {
return $wpdb->remove_placeholder_escape(@esc_sql($sql));
} else {
return @esc_sql($sql);
}
}
/**
* this function escape sql string without add and remove remove_placeholder_escape
* don't work on array
*
* @global type $wpdb
* @param mixed $sql
* @return string
*/
public static function escValueToQueryString($value)
{
global $wpdb;
if (is_null($value)) {
return 'NULL';
}
if ($wpdb->use_mysqli) {
return '"'.mysqli_real_escape_string($wpdb->dbh, $value).'"';
} else {
return '"'.mysql_real_escape_string($value, $wpdb->dbh).'"';
}
}
}
Mini Shell