<?php

declare(strict_types=1);

/**

* This file registers an autoloader for SimpleSAMLphp modules.

*

* @author Boy Baukema, SURFnet

* @author Jaime Perez <jaime.perez@uninett.no>, UNINETT

* @package SimpleSAMLphp

*/

/**

* Autoload function for SimpleSAMLphp modules following PSR-4.

*

* @param string $className Name of the class.

*/

function sspmodAutoloadPSR4(string $className): void

{

$elements = explode('\\', $className);

if ($elements[0] === '') {

// class name starting with /, ignore

array_shift($elements);

}

if (count($elements) < 4) {

return; // it can't be a module

}

if (array_shift($elements) !== 'SimpleSAML') {

return; // the first element is not "SimpleSAML"

}

if (array_shift($elements) !== 'Module') {

return; // the second element is not "module"

}

// this is a SimpleSAMLphp module following PSR-4

$module = array_shift($elements);

if (!\SimpleSAML\Module::isModuleEnabled($module)) {

return; // module not enabled, avoid giving out any information at all

}

$file = \SimpleSAML\Module::getModuleDir($module) . '/src/' . implode('/', $elements) . '.php';

if (file_exists($file)) {

require_once($file);

}

}

spl_autoload_register('sspmodAutoloadPSR4');