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<?php
/**
* @version admin/classes/watchfulli.php 2020-05-27 zanardigit
* @package Watchful Client
* @author Watchful
* @authorUrl https://watchful.net
* @copyright Copyright (c) 2012-2023 Watchful
* @license GNU/GPL v3 or later
*/
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\Version;
defined('_JEXEC') or die();
defined('WATCHFULLI_PATH') or die();
abstract class Watchfulli
{
/**
* gets a static copy of JVersion for use in determining what platform we're in
*
* @return Version
*/
static public function joomla()
{
static $version;
if (is_null($version))
{
$version = new Version;
}
return $version;
}
/**
* @return string
*/
static public function getJoomlaVersion()
{
return implode(
".",
[
Version::MAJOR_VERSION,
Version::MINOR_VERSION,
Version::PATCH_VERSION,
]
);
}
/**
* @return bool
*/
static public function canUpdate()
{
Watchfulli::debug("We are on a Joomla version that allows remote updates");
return true;
}
/**
* @return string
*/
static public function getToken()
{
static $token;
if (empty($token))
{
$params = ComponentHelper::getParams('com_watchfulli');
$token = $params->get('secret_key');
}
return $token;
}
/**
* checks request to ensure it is from a valid source
*
* @return bool
*/
static public function checkToken()
{
$private_key = Watchfulli::getToken();
Watchfulli::debug("Local secret key: $private_key");
$authentication = new WatchfulliAuthentication($private_key);
return $authentication->checkAuthentication();
}
/**
* Register error & exception catchers
*/
static public function registerErrorsCatchers()
{
//Remove php error reporting
error_reporting(0);
ini_set('error_reporting', 0);
// Catch PHP errors
register_shutdown_function(['Watchfulli', 'errorShutdown']);
// Catch PHP exception
set_exception_handler(['Watchfulli', 'exceptionHandler']);
}
/**
* Catch errors and return infos in a JSON object
*
*/
static public function errorShutdown()
{
$lastError = error_get_last();
$catchedErrors = [E_ERROR, E_PARSE];
if (isset($_GET['debug']))
{
$catchedErrors = array_merge($catchedErrors, [E_WARNING, E_NOTICE]);
}
if ($lastError == null || !in_array($lastError['type'], $catchedErrors))
{
return true;
}
$error = new stdClass();
$error->status = 'error';
$error->type = $lastError['type'];
$error->message = $lastError['message'];
$error->file = $lastError['file'];
$error->line = $lastError['line'];
echo json_encode($error);
return true;
}
/**
* Catch Joomla exceptions and return informations in a JSON object
*
* @param mixed<Exception|Error> $e
*/
static public function exceptionHandler($e)
{
$error = new stdClass();
$error->status = 'error';
$error->type = 'exception';
if ($e instanceof Exception || (class_exists('Error') && $e instanceof Error))
{
$error->message = $e->getMessage();
$error->file = $e->getFile();
$error->line = $e->getLine();
}
else
{
$error->message = Text::_('COM_WATCHFULLI_UNKNOWN_ERROR');
$error->file = __FILE__;
$error->line = __LINE__;
}
echo json_encode($error);
exit();
}
/**
* Write additional debug informations
*
* @param string $message
*/
static public function debug($message)
{
if (!defined('WATCHFULLI_DEBUG'))
{
return;
}
Log::addLogger(["text_file" => "watchfulli.log.php"], Log::DEBUG, 'watchfulli');
Log::add($message, Log::DEBUG, 'watchfulli');
}
}