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<?php
/**
* Project: 4SEO
*
* @package 4SEO
* @copyright Copyright Weeblr llc - 2020-2024
* @author Yannick Gaultier - Weeblr llc
* @license GNU General Public License version 3; see LICENSE.md
* @version 6.2.0.2478
* @date 2024-10-03
*/
namespace Weeblr\Forseo\Controller;
use Weeblr\Forseo\Platform\Helpers as PlatformHelpers;
use Weeblr\Wblib\Forseo\Wb;
use Weeblr\Wblib\Forseo\System;
use Weeblr\Wblib\Forseo\Base;
use Weeblr\Wblib\Forseo\Customerror;
// Security check to ensure this file is being included by a parent file.
defined('_JEXEC') || defined('WBLIB_EXEC') || die;
class Error extends Base\Base
{
/**
* List of PHP error codes that will be recorded as errors
* through our fatal error handler.
*/
const HANDLED_FATAL_ERRORS_TYPES = [
E_ERROR,
E_PARSE,
E_CORE_ERROR,
E_COMPILE_ERROR,
E_USER_ERROR,
];
/**
* Initialize error interception on platform.
*/
public function init()
{
try
{
if (!$this->platform->isFrontend())
{
return;
}
$platformVersion = $this->platform->majorVersion();
$classVersion = $platformVersion > 3
? 'default'
: $platformVersion;
$platformHandlerClassName = '\Weeblr\Forseo\Platform\\Errorhandlerj' . $classVersion;
$platformHandler = $this->factory->getA($platformHandlerClassName);
$platformHandler->init(
[
$this,
'errorHandler'
]
);
// Install a global handler to catch fatal errors
register_shutdown_function(
[
$this,
'fatalErrorHandler'
]
);
}
catch (\Throwable $e)
{
$this->factory->getThe('forseo.logger')->error('Error initializing platform error interception: %s:%d %d:%s - %s', $e->getFile(), $e->getLine(), $e->getCode(), $e->getMessage(), $e->getTraceAsString());
}
}
/**
* A shutdown function to process fatal error that cannot be caught otherwise.
*/
public function fatalErrorHandler()
{
$error = error_get_last();
if ($error !== null)
{
$errorType = Wb\arrayGet($error, 'type', 0);
if (!in_array($errorType, self::HANDLED_FATAL_ERRORS_TYPES))
{
return;
}
$errorObject = new Customerror\Fatal(
Wb\arrayGet($error, 'message', 'Unknown'),
0,
null,
[
'line' => Wb\arrayGet($error, 'line', 0),
'file' => Wb\arrayGet($error, 'file', ''),
'type' => $errorType
]
);
$this->factory
->getThe('forseo.pageDataCollector')
->onError(
$errorObject
);
}
}
/**
* Handle platforms errors.
*
* @param \Exception $error
*/
public function errorHandler($error)
{
$errorCode = (int)$error->getCode();
$this->factory
->getThe('forseo.requestInfo')
->set('page_status', $errorCode);
// apply user rules, some redirects or URL blocking may apply on errors.
$rulesController = $this->factory
->getA(Rules::class)
->filterExecutableRules();
$rulesController->executeRedirects();
$this->factory->getThe('forseo.aliasesController')
->execute();
$rulesController->executeWaf();
// are we in Debug mode: if so, do let the platform handle the error
if (!empty($this->platform->getConfig()->get('debug', 0)))
{
return;
}
switch ($errorCode)
{
case 404:
$this->factory->getA(
PlatformHelpers\Urls::class
)->enforceLowerCaseUrls();
// Possibly check platform redirects before actually
// rendering the 404.
$this->checkComRedirects();
/**
* Run hook with the 404 error to allow actions by other parties.
*
* @api forseo
* @package 4SEO\action\error
* @var forseo_on_404_error
* @since 1.0.0
*
* @param \Exception $error
*
* @return void
*
*/
$this->factory->getThe('hook')->run(
'forseo_on_404_error',
$error
);
break;
case 500:
// possibly log 500 and other errors in the future
default:
// returning to the platform handlers will cause them
// to pass the error to normal error processing chain.
/**
* Run hook with the error to allow actions by other parties.
*
* @api forseo
* @package 4SEO\action\error
* @var forseo_on_error
* @since 1.0.0
*
* @param \Exception $error
*
* @return void
*
*/
$this->factory->getThe('hook')->run(
'forseo_on_error',
$error
);
break;
}
}
/**
* Check com_redirects for user defined redirects. Should only be called in case a 404 happened.
*
* @return void
*/
private function checkComRedirects()
{
/**
* Whether to check Joomla user-defined redirects on 404s. The check happens
* before searching any applicable 4SEO error rule, so that we can have
* error rules and also check redirects.
* However, this does not work on J3 as the redirect plugin triggers a 404
* if no redirect is found. So we disable com_redirect check on J3, with
* this filter allowing user to enable it back if needed.
*
* @api forseo
* @package 4SEO\filter\error
* @var forseo_on_404_error_check_com_redirect
* @since 4.5.0
*
* @param \bool $checkComRedirects
*
* @return void
*
*/
$checkComRedirects = $this->factory->getThe('hook')->filter(
'forseo_on_404_error_check_com_redirect',
version_compare(
$this->platform->majorVersion(),
'3',
'>'
)
);
if ($checkComRedirects)
{
$this->factory->getA(PlatformHelpers\Comredirect::class)
->checkRedirects();
}
}
}