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<?php /** * @package akeebabackup * @copyright Copyright 2006-2026 Nicholas K. Dionysopoulos / Akeeba Ltd * @license GNU General Public License version 3, or later / namespace Akeeba\Component\AkeebaBackup\Site\Controller; defined('_JEXEC') \|\| die; use Akeeba\Component\AkeebaBackup\Administrator\Mixin\ControllerEventsTrait; use Akeeba\Component\AkeebaBackup\Administrator\Mixin\ControllerRegisterTasksTrait; use Akeeba\Component\AkeebaBackup\Administrator\Mixin\ControllerReusableModelsTrait; use Akeeba\Component\AkeebaBackup\Site\Model\OAuth2\OAuth2Exception; use Akeeba\Component\AkeebaBackup\Site\Model\OAuth2\OAuth2UriException; use Akeeba\Component\AkeebaBackup\Site\Model\OAuth2\ProviderInterface; use Akeeba\Component\AkeebaBackup\Site\Model\Oauth2Model; use Akeeba\Component\AkeebaBackup\Site\View\Oauth2\RawView; use Joomla\CMS\Application\CMSApplication; use Joomla\CMS\Language\Text; use Joomla\CMS\MVC\Controller\BaseController; use Joomla\CMS\MVC\Factory\MVCFactoryInterface; use Joomla\Input\Input; /* * Custom OAuth2 Helper controller * * @since 9.9.1 / class Oauth2Controller extends BaseController { use ControllerEventsTrait; use ControllerRegisterTasksTrait; use ControllerReusableModelsTrait; /* @inheritDoc / public function __construct( $config = [], ?MVCFactoryInterface $factory = null, ?CMSApplication $app = null, ?Input $input = null ) { parent::__construct($config, $factory, $app, $input); $this->registerControllerTasks('step1'); } /* * Handle the first step of authentication: open the consent page * * @return void * @since 9.9.1 / public function step1(): void { $document = $this->app->getDocument(); $viewType = $document->getType(); $viewName = $this->input->get('view', $this->default_view); $viewLayout = $this->input->get('layout', 'default', 'string'); /* @var RawView $view / $view = $this->getView($viewName, $viewType, '', ['base_path' => $this->basePath, 'layout' => $viewLayout]); $view->setLayout('step1'); $view->provider = $this->getProvider(); $view->step1url = $view->provider->getAuthenticationUrl(); $this->display(); } /* * Handle the second step of authentication: exchange the code for a set of tokens * * @return void * @since 9.9.1 / public function step2(): void { $document = $this->app->getDocument(); $viewType = $document->getType(); $viewName = $this->input->get('view', $this->default_view); $viewLayout = $this->input->get('layout', 'default', 'string'); /* @var RawView $view / $view = $this->getView($viewName, $viewType, '', ['base_path' => $this->basePath, 'layout' => $viewLayout]); $provider = $this->getProvider(); $view->provider = $provider; try { $view->tokens = $provider->handleResponse($this->input); $view->setLayout('default'); } catch (OAuth2Exception $e) { $view->exception = $e; $view->setLayout('error'); } catch (OAuth2UriException $e) { $this->app->redirect($e->getUrl()); } $this->display(false); } /* * Handle exchanging a refresh token for a new set of tokens * * @return void * @since 9.9.1 / public function refresh(): void { $provider = $this->getProvider(); try { $tokens = $provider->handleRefresh($this->input); $ret = [ 'access_token' => $tokens['accessToken'], 'refresh_token' => $tokens['refreshToken'], 'error' => null, 'error_description' => null, 'error_url' => null, ]; } catch (OAuth2Exception $e) { $ret = [ 'access_token' => null, 'refresh_token' => null, 'error' => 'error', 'error_description' => $e->getMessage(), 'error_url' => null, ]; } catch (OAuth2UriException $e) { $ret = [ 'access_token' => null, 'refresh_token' => null, 'error' => 'error', 'error_description' => $e->getMessage(), 'error_url' => $e->getUrl(), ]; } @ob_end_clean(); header("Pragma: public"); header("Expires: 0"); header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); header("Cache-Control: public", false); header('Content-type: application/json'); header('Connection: close'); echo json_encode($ret); $this->app->close(200); } /* * Returns the OAuth2 helper provider for the requested engine * * @return ProviderInterface * @since 9.9.1 / protected function getProvider(): ProviderInterface { $engine = $this->input->get->getCmd('engine'); if (empty($engine)) { throw new \RuntimeException(Text::_('JERROR_ALERTNOAUTHOR'), 403); } /* @var Oauth2Model $model */ $model = $this->getModel(); if (!$model->isEnabled($engine)) { throw new \RuntimeException(Text::_('JERROR_ALERTNOAUTHOR'), 403); } try { return $model->getProvider($engine); } catch (\InvalidArgumentException $e) { throw new \RuntimeException(Text::_('JERROR_ALERTNOAUTHOR'), 403); } } }

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