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<?php
/**
* @version admin/classes/auditprocess.php 2024-03-27 zanardigit
* @package Watchful Client
* @author Watchful
* @authorUrl https://watchful.net
* @copyright Copyright (c) 2012-2025 Watchful
* @license GNU/GPL v3 or later
*/
defined('_JEXEC') or die;
defined('WATCHFULLI_PATH') or die;
abstract class WatchfulliAuditProcess
{
// do not allow connections to surpass this limit
// see https://support.cloudflare.com/hc/en-us/articles/200171926-Error-524-A-timeout-occurred
// CloudFlare will only allow a max of 100 seconds
const _DEFAULT_TIMEEXECUTION_LIMIT = 90;
private $max_execution_time;
private $start_time;
protected $step_time = 1;
protected $cache;
private $db;
/**
* @throws Exception
*/
public function __construct()
{
$this->start_time = $this->microtimeFloat();
$this->cache = WatchfulliFactory::getCacheController();
$this->cache->cache->setCaching(1);
$this->cache->cache->setLifeTime(3600);
$this->cache->cache->setLifeTime(3600);
$this->db = WatchfulliFactory::getDbo();
$this->max_execution_time = $this->calculateMaxExecutionTime();
}
/**
* Get the maximum execution time from the system
*
* @return int
* @throws Exception
*/
private function calculateMaxExecutionTime(): int
{
$max_executiontime_set_by_master = WatchfulliFactory::getInput()->get('max_execution_time', 0);
if ($max_executiontime_set_by_master)
{
return min(self::_DEFAULT_TIMEEXECUTION_LIMIT, $max_executiontime_set_by_master);
}
$php_execution_time = (int) ini_get("max_execution_time");
if (!$php_execution_time)
{
return self::_DEFAULT_TIMEEXECUTION_LIMIT;
}
if ($php_execution_time > self::_DEFAULT_TIMEEXECUTION_LIMIT)
{
return self::_DEFAULT_TIMEEXECUTION_LIMIT;
}
return $php_execution_time - 2; //extra security;
}
public function getMaxExecutionTime(): int
{
return $this->max_execution_time;
}
/**
* Calculate if we have X second(s) left
*/
public function haveTime(): bool
{
$availableTime = $this->max_execution_time - $this->haveRun();
return $availableTime > $this->step_time;
}
/**
* Nomber of second from the start of the script
*/
private function haveRun(): float
{
return $this->microtimeFloat() - $this->start_time;
}
/**
* Simple function to replicate PHP 5 behaviour
*/
private function microtimeFloat(): float
{
list ($usec, $sec) = explode(" ", microtime());
return ((float) $usec + (float) $sec);
}
}