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<?php
/**
* Boot class
*
* Standard: PSR-2
* @link http://www.php-fig.org/psr/psr-2 Full Documentation
*
* @package SC\DUPX\Constants
*
*/
defined('ABSPATH') || defined('DUPXABSPATH') || exit;
/**
* This class manages all the initialization of the installer by performing security tests, log initialization and global variables.
*
*/
class DUPX_Boot
{
const ARCHIVE_PREFIX = 'dup-archive__';
const ARCHIVE_EXTENSION = '.txt';
const MINIMUM_PHP_VERSION = '5.2.17';
/**
* this variable becomes false after the installer is initialized by skipping the shutdown function defined in the boot class
*
* @var bool
*/
private static $shutdownFunctionEnabled = true;
/**
* inizialize all
*/
public static function init()
{
self::phpVersionCheck();
$GLOBALS['DUPX_ENFORCE_PHP_INI'] = false;
// INIT ERROR LOG FILE (called before evrithing)
if (function_exists('register_shutdown_function')) {
register_shutdown_function(array(__CLASS__, 'bootShutdown'));
}
if (self::initPhpErrorLog(false) === false) {
// Enable this only for debugging. Generate a log too alarmist.
error_log('DUPLICATOR CAN\'T CHANGE THE PATH OF PHP ERROR LOG FILE', E_USER_NOTICE);
}
// includes main files
self::includes();
// set log post-proccessor
DUPX_Log::setPostProcessCallback(array('DUPX_CTRL', 'renderPostProcessings'));
// set time for logging time
DUPX_Log::resetTime();
// set all PHP.INI settings
self::phpIni();
self::initParamsBase();
/*
* INIZIALIZE
*/
// init global values
DUPX_Constants::init();
// init ERR defines
DUPX_Constants::initErrDefines();
// init error handler after constant
DUPX_Handler::initErrorHandler();
self::initArchive();
$pathInfo = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '';
DUPX_Log::info("\n\n"
."==============================================\n"
."= BOOT INIT OK [".$pathInfo."]\n"
."==============================================\n", DUPX_Log::LV_DETAILED);
}
/**
* init ini_set and default constants
*
* @throws Exception
*/
public static function phpIni()
{
/** Absolute path to the Installer directory. - necessary for php protection */
if (!defined('KB_IN_BYTES')) {
define('KB_IN_BYTES', 1024);
}
if (!defined('MB_IN_BYTES')) {
define('MB_IN_BYTES', 1024 * KB_IN_BYTES);
}
if (!defined('GB_IN_BYTES')) {
define('GB_IN_BYTES', 1024 * MB_IN_BYTES);
}
if (!defined('DUPLICATOR_PHP_MAX_MEMORY')) {
define('DUPLICATOR_PHP_MAX_MEMORY', 4096 * MB_IN_BYTES);
}
date_default_timezone_set('UTC'); // Some machines don’t have this set so just do it here.
@ignore_user_abort(true);
@set_time_limit(3600);
$defaultCharset = ini_get("default_charset");
if (empty($defaultCharset) && DupLiteSnapLibUtil::wp_is_ini_value_changeable('default_charset')) {
@ini_set("default_charset", 'utf-8');
}
if (DupLiteSnapLibUtil::wp_is_ini_value_changeable('memory_limit')) {
@ini_set('memory_limit', DUPLICATOR_PHP_MAX_MEMORY);
}
if (DupLiteSnapLibUtil::wp_is_ini_value_changeable('max_input_time')) {
@ini_set('max_input_time', '-1');
}
if (DupLiteSnapLibUtil::wp_is_ini_value_changeable('pcre.backtrack_limit')) {
@ini_set('pcre.backtrack_limit', PHP_INT_MAX);
}
//PHP INI SETUP: all time in seconds
if (!isset($GLOBALS['DUPX_ENFORCE_PHP_INI']) || !$GLOBALS['DUPX_ENFORCE_PHP_INI']) {
if (DupLiteSnapLibUtil::wp_is_ini_value_changeable('mysql.connect_timeout')) {
@ini_set('mysql.connect_timeout', '5000');
}
if (DupLiteSnapLibUtil::wp_is_ini_value_changeable('max_execution_time')) {
@ini_set("max_execution_time", '5000');
}
if (DupLiteSnapLibUtil::wp_is_ini_value_changeable('max_input_time')) {
@ini_set("max_input_time", '5000');
}
if (DupLiteSnapLibUtil::wp_is_ini_value_changeable('default_socket_timeout')) {
@ini_set('default_socket_timeout', '5000');
}
@set_time_limit(0);
}
}
/**
* include default utils files and constants
*
* @throws Exception
*/
public static function includes()
{
require_once($GLOBALS['DUPX_INIT'].'/lib/snaplib/snaplib.all.php');
require_once($GLOBALS['DUPX_INIT'].'/classes/utilities/class.u.exceptions.php');
require_once($GLOBALS['DUPX_INIT'].'/classes/utilities/class.u.php');
require_once($GLOBALS['DUPX_INIT'].'/classes/utilities/class.u.notices.manager.php');
require_once($GLOBALS['DUPX_INIT'].'/classes/utilities/class.u.html.php');
require_once($GLOBALS['DUPX_INIT'].'/classes/config/class.constants.php');
require_once($GLOBALS['DUPX_INIT'].'/ctrls/ctrl.base.php');
require_once($GLOBALS['DUPX_INIT'].'/classes/config/class.archive.config.php');
require_once($GLOBALS['DUPX_INIT'].'/classes/class.logging.php');
}
/**
* init archive config
*
* @throws Exception
*/
public static function initArchive()
{
$GLOBALS['DUPX_AC'] = DUPX_ArchiveConfig::getInstance();
if (empty($GLOBALS['DUPX_AC'])) {
throw new Exception("Can't initialize config globals");
}
}
/**
* This function moves the error_log.php into the dup-installer directory.
* It is called before including any other file so it uses only native PHP functions.
*
* !!! Don't use any Duplicator function within this function. !!!
*
* @param bool $reset
* @return boolean
*/
public static function initPhpErrorLog($reset = false)
{
if (!function_exists('ini_set')) {
return false;
}
$logFile = $GLOBALS['DUPX_INIT'].'/php_error__'.self::getPackageHash().'.log';
if (file_exists($logFile) && !is_writable($logFile)) {
if (!is_writable($logFile)) {
return false;
} else if ($reset && function_exists('unlink')) {
@unlink($logFile);
}
}
if (function_exists('error_reporting')) {
error_reporting(E_ALL | E_STRICT); // E_STRICT for PHP 5.3
}
@ini_set("log_errors", 1);
if (@ini_set("error_log", $logFile) === false) {
return false;
}
if (!file_exists($logFile)) {
error_log("PHP ERROR LOG INIT");
}
return true;
}
/**
* It is called before including any other file so it uses only native PHP functions.
*
* !!! Don't use any Duplicator function within this function. !!!
*
* @staticvar bool|string $packageHash
* @return bool|string // package hash or false if fail
*/
public static function getPackageHash()
{
static $packageHash = null;
if (is_null($packageHash)) {
$searchStr = $GLOBALS['DUPX_INIT'].'/'.self::ARCHIVE_PREFIX.'*'.self::ARCHIVE_EXTENSION;
$config_files = glob($searchStr);
if (empty($config_files)) {
$packageHash = false;
} else {
$config_file_absolute_path = array_pop($config_files);
$config_file_name = basename($config_file_absolute_path, self::ARCHIVE_EXTENSION);
$packageHash = substr($config_file_name, strlen(self::ARCHIVE_PREFIX));
}
}
return $packageHash;
}
/**
* This function init all params before read from request
*
*/
protected static function initParamsBase()
{
DUPX_Log::setLogLevel();
$GLOBALS['DUPX_DEBUG'] = isset($_POST['logging']) ? $_POST['logging'] : DUPX_Log::LV_DEFAULT;
}
/**
* this function disables the shutdown function defined in the boot class
*/
public static function disableBootShutdownFunction()
{
self::$shutdownFunctionEnabled = false;
}
/**
* This function sets the shutdown function before the installer is initialized.
* Prevents blank pages.
*
* After the plugin is initialized it will be set as a shudwon function DUPX_Handler::shutdown
*
* !!! Don't use any Duplicator function within this function. !!!
*
*/
public static function bootShutdown()
{
if (!self::$shutdownFunctionEnabled) {
return;
}
if (($error = error_get_last())) {
?>
<h1>BOOT SHUTDOWN FATAL ERROR</H1>
<pre><?php
echo 'Error: '.htmlspecialchars($error['message'])."\n\n\n".
'Type: '.htmlspecialchars($error['type'])."\n".
'File: '.htmlspecialchars($error['file'])."\n".
'Line: '.htmlspecialchars($error['line'])."\n";
?>
</pre>
<?php
}
}
/**
* this function is called before anything else. do not use duplicator functions because nothing is included at this level.
*
* @return boolean
*/
public static function phpVersionCheck()
{
if (version_compare(PHP_VERSION, self::MINIMUM_PHP_VERSION, '>=')) {
return true;
}
$match = null;
if (preg_match("#^\d+(\.\d+)*#", PHP_VERSION, $match)) {
$phpVersion = $match[0];
} else {
$phpVersion = PHP_VERSION;
}
// no html
echo 'This server is running PHP: '.$phpVersion.'. A minimum of PHP '.self::MINIMUM_PHP_VERSION.' is required to run the installer.'
.' Contact your hosting provider or server administrator and let them know you would like to upgrade your PHP version.';
die();
}
}