<?php

/**
 * @package     Joomla.Site
 * @subpackage  com_privacy
 *
 * @copyright   (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Privacy\Site\Controller;

use Joomla\CMS\MVC\Controller\BaseController;
use Joomla\CMS\Router\Route;

// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects

/**
 * Privacy Controller
 *
 * @since  3.9.0
 */
class DisplayController extends BaseController
{
    /**
     * Method to display a view.
     *
     * @param   boolean  $cachable   If true, the view output will be cached
     * @param   array    $urlparams  An array of safe URL parameters and their variable types, for valid values see {@link JFilterInput::clean()}.
     *
     * @return  $this
     *
     * @since   3.9.0
     */
    public function display($cachable = false, $urlparams = [])
    {
        $view = $this->input->get('view', $this->default_view);

        // Submitting information requests and confirmation through the frontend is restricted to authenticated users at this time
        if (in_array($view, ['confirm', 'request']) && $this->app->getIdentity()->guest) {
            $this->setRedirect(
                Route::_('index.php?option=com_users&view=login&return=' . base64_encode('index.php?option=com_privacy&view=' . $view), false)
            );

            return $this;
        }

        // Set a Referrer-Policy header for views which require it
        if (in_array($view, ['confirm', 'remind'])) {
            $this->app->setHeader('Referrer-Policy', 'no-referrer', true);
        }

        return parent::display($cachable, $urlparams);
    }
}
