<?php

declare(strict_types=1);

namespace SimpleSAML;

use SimpleSAML\Assert\Assert;

use SimpleSAML\Utils\System;

use Symfony\Bundle\FrameworkBundle\FrameworkBundle;

use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;

use Symfony\Component\Config\Exception\FileLocatorFileNotFoundException;

use Symfony\Component\Config\FileLocator;

use Symfony\Component\Config\Loader\LoaderInterface;

use Symfony\Component\DependencyInjection\ContainerBuilder;

use Symfony\Component\DependencyInjection\Definition;

use Symfony\Component\DependencyInjection\Loader\DirectoryLoader;

use Symfony\Component\HttpKernel\Kernel as BaseKernel;

use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;

use function getenv;

use function is_dir;

use function sys_get_temp_dir;

/**

* A class to create the container and handle a given request.

*/

class Kernel extends BaseKernel

{

use MicroKernelTrait;

public const string CONFIG_EXTS = '.{php,xml,yaml,yml}';

public function __construct()

{

$env = getenv('APP_ENV') ?: (getenv('SYMFONY_ENV') ?: 'prod');

parent::__construct($env, false);

}

/**

* @return string

*/

public function getCacheDir(): string

{

$configuration = Configuration::getInstance();

$temp = $configuration->getOptionalString('tempdir', null);

$cache = $configuration->getOptionalString('cachedir', null);

$cacheDir = $cache ?? $temp;

Assert::notNull($cacheDir, "Missing cachedir parameter in config.php");

$cachePath = $cacheDir . DIRECTORY_SEPARATOR . 'global';

$sysUtils = new System();

if ($sysUtils->isAbsolutePath($cachePath)) {

return $cachePath;

}

return $configuration->getBaseDir() . $cachePath;

}

/**

* @return string

*/

public function getLogDir(): string

{

$configuration = Configuration::getInstance();

$handler = $configuration->getString('logging.handler');

$loggingPath = $configuration->getOptionalString('loggingdir', sys_get_temp_dir());

$sysUtils = new System();

if ($sysUtils->isAbsolutePath($loggingPath)) {

return $loggingPath;

}

return $configuration->getBaseDir() . DIRECTORY_SEPARATOR . $loggingPath;

}

/**

* {@inheritdoc}

*/

public function registerBundles(): array

{

return [

new FrameworkBundle(),

];

}

/**

* Configures the container.

*

* @param \Symfony\Component\DependencyInjection\ContainerBuilder $container

* @param \Symfony\Component\Config\Loader\LoaderInterface $loader

*/

protected function configureContainer(ContainerBuilder $container, LoaderInterface $loader): void

{

$configuration = Configuration::getInstance();

$baseDir = $configuration->getBaseDir();

$loader->load($baseDir . '/routing/services/*' . self::CONFIG_EXTS, 'glob');

foreach ($this->getEnabledModules() as $module) {

$confDir = Module::getModuleDir($module) . '/routing/services';

if (is_dir($confDir)) {

$loader->load($confDir . '/**/*' . self::CONFIG_EXTS, 'glob');

}

}

$container->loadFromExtension('framework', [

'secret' => Configuration::getInstance()->getString('secretsalt'),

]);

$this->registerModuleControllers($container);

}

/**

* Import routes.

*

* @param \Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator $routes

*/

protected function configureRoutes(RoutingConfigurator $routes): void

{

$configuration = Configuration::getInstance();

$baseDir = $configuration->getBaseDir();

$routes->import($baseDir . '/routing/routes/*' . self::CONFIG_EXTS);

foreach ($this->getEnabledModules() as $module) {

$confDir = Module::getModuleDir($module) . '/routing/routes';

if (is_dir($confDir)) {

$routes->import($confDir . '/**/*' . self::CONFIG_EXTS)->prefix('/module/' . $module, false);

}

}

}

/**

* @param \Symfony\Component\DependencyInjection\ContainerBuilder $container

*/

private function registerModuleControllers(ContainerBuilder $container): void

{

foreach ($this->getEnabledModules() as $module) {

try {

$definition = new Definition();

$definition->setAutowired(true);

$definition->setPublic(true);

$controllerDir = Module::getModuleDir($module) . '/src/Controller';

if (!is_dir($controllerDir)) {

continue;

}

$loader = new DirectoryLoader(

$container,

new FileLocator($controllerDir . '/'),

);

$loader->registerClasses(

$definition,

'SimpleSAML\\Module\\' . $module . '\\Controller\\',

$controllerDir . '/*',

);

} catch (FileLocatorFileNotFoundException $e) {

}

}

}

/**

* @return string[]

*/

private function getEnabledModules(): array

{

$modules = [];

foreach (Module::getModules() as $module) {

if (Module::isModuleEnabled($module)) {

$modules[] = $module;

}

}

return $modules;

}

}