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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Plugin
   5   * @subpackage  System.Webauthn
   6   *
   7   * @copyright   (C) 2022 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  defined('_JEXEC') || die;
  12  
  13  use Joomla\Application\ApplicationInterface;
  14  use Joomla\Application\SessionAwareWebApplicationInterface;
  15  use Joomla\CMS\Extension\PluginInterface;
  16  use Joomla\CMS\Factory;
  17  use Joomla\CMS\Plugin\PluginHelper;
  18  use Joomla\DI\Container;
  19  use Joomla\DI\ServiceProviderInterface;
  20  use Joomla\Event\DispatcherInterface;
  21  use Joomla\Plugin\System\Webauthn\Authentication;
  22  use Joomla\Plugin\System\Webauthn\CredentialRepository;
  23  use Joomla\Plugin\System\Webauthn\Extension\Webauthn;
  24  use Joomla\Plugin\System\Webauthn\MetadataRepository;
  25  use Webauthn\MetadataService\MetadataStatementRepository;
  26  use Webauthn\PublicKeyCredentialSourceRepository;
  27  
  28  return new class implements ServiceProviderInterface
  29  {
  30      /**
  31       * Registers the service provider with a DI container.
  32       *
  33       * @param   Container  $container  The DI container.
  34       *
  35       * @return  void
  36       *
  37       * @since   4.2.0
  38       */
  39      public function register(Container $container)
  40      {
  41          $container->set(
  42              PluginInterface::class,
  43              function (Container $container) {
  44                  $config  = (array) PluginHelper::getPlugin('system', 'webauthn');
  45                  $subject = $container->get(DispatcherInterface::class);
  46  
  47                  $app     = Factory::getApplication();
  48                  $session = $container->has('session') ? $container->get('session') : $this->getSession($app);
  49  
  50                  $db                    = $container->get('DatabaseDriver');
  51                  $credentialsRepository = $container->has(PublicKeyCredentialSourceRepository::class)
  52                      ? $container->get(PublicKeyCredentialSourceRepository::class)
  53                      : new CredentialRepository($db);
  54  
  55                  $metadataRepository = null;
  56                  $params             = new Joomla\Registry\Registry($config['params'] ?? '{}');
  57  
  58                  if ($params->get('attestationSupport', 0) == 1) {
  59                      $metadataRepository    = $container->has(MetadataStatementRepository::class)
  60                          ? $container->get(MetadataStatementRepository::class)
  61                          : new MetadataRepository();
  62                  }
  63  
  64                  $authenticationHelper  = $container->has(Authentication::class)
  65                      ? $container->get(Authentication::class)
  66                      : new Authentication($app, $session, $credentialsRepository, $metadataRepository);
  67  
  68                  $plugin = new Webauthn($subject, $config, $authenticationHelper);
  69                  $plugin->setApplication($app);
  70  
  71                  return $plugin;
  72              }
  73          );
  74      }
  75  
  76      /**
  77       * Get the current application session object
  78       *
  79       * @param   ApplicationInterface  $app  The application we are running in
  80       *
  81       * @return \Joomla\Session\SessionInterface|null
  82       *
  83       * @since  4.2.0
  84       */
  85      private function getSession(ApplicationInterface $app)
  86      {
  87          return $app instanceof SessionAwareWebApplicationInterface ? $app->getSession() : null;
  88      }
  89  };