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<?php
/* ======================================================
 # Login as User for Joomla! - v3.5.9 (pro version)
 # -------------------------------------------------------
 # For Joomla! CMS (v3.x)
 # Author: Web357 (Yiannis Christodoulou)
 # Copyright (©) 2014-2022 Web357. All rights reserved.
 # License: GNU/GPLv3, http://www.gnu.org/licenses/gpl-3.0.html
 # Website: https:/www.web357.com
 # Demo: https://demo.web357.com/joomla/login-as-user
 # Support: support@web357.com
 # Last modified: Wednesday 07 December 2022, 11:05:26 AM
 ========================================================= */
/**
 * @package     Joomla.Administrator
 * @subpackage  com_users
 *
 * @copyright   Copyright (C) 2005 - 2015 Open Source Matters, Inc. All
rights reserved.
 * @license     GNU General Public License version 2 or later; see
LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * Users master display controller.
 *
 * @since  1.6
 */
class LoginasuserController extends JControllerLegacy
{
	/**
	 * Checks whether a user can see this view.
	 *
	 * @param   string  $view  The view name.
	 *
	 * @return  boolean
	 *
	 * @since   1.6
	 */
	protected function canView($view)
	{

		// Get Joomla! version
		$jversion = new JVersion;
		$short_version = explode('.', $jversion->getShortVersion());
// 3.8.10
		$mini_version = $short_version[0].'.'.$short_version[1]; // 3.8

		if (!version_compare( $mini_version, "2.5", "<="))
:
		// joomla 3.x
			$canDo = JHelperContent::getActions('com_users');
		else:
		// joomla 2.5.x
			$canDo	= LoginasuserHelper::getActions();
		endif;

		switch ($view)
		{
			// Special permissions.
			case 'groups':
			case 'group':
			case 'levels':
			case 'level':
				return $canDo->get('core.admin');
				break;

			// Default permissions.
			default:
				return true;
		}
	}

	/**
	 * Method to display a view.
	 *
	 * @param   boolean  $cachable   If true, the view output will be cached
	 * @param   array    $urlparams  An array of safe url parameters and their
variable types, for valid values see {@link JFilterInput::clean()}.
	 *
	 * @return  JController	 This object to support chaining.
	 *
	 * @since   1.5
	 */
	public function display($cachable = false, $urlparams = false)
	{
		// Get Joomla! version
		$jversion = new JVersion;
		$short_version = explode('.', $jversion->getShortVersion());
// 3.8.10
		$mini_version = $short_version[0].'.'.$short_version[1]; // 3.8

		if (!version_compare( $mini_version, "2.5", "<="))
:
		// joomla 3.x
			$view   = $this->input->get('view',
'loginasuser');
			$layout = $this->input->get('layout',
'default');
			$id     = $this->input->getInt('id');
		else:
		// joomla 2.5.x
			// Load the submenu.
			LoginasuserHelper::addSubmenu(JFactory::getApplication()->input->get('view',
'loginasuser', 'CMD'));
		
			$view		= JFactory::getApplication()->input->get('view',
'loginasuser', 'CMD');
			$layout 	=
JFactory::getApplication()->input->get('layout',
'', 'CMD');
			$id			= JFactory::getApplication()->input->get('id',
'', 'INT');
		endif;

		if (!$this->canView($view))
		{
			throw new Exception(JText::_('JERROR_ALERTNOAUTHOR'), 404);
		}

		// Check for edit form.
		if ($view == 'user' && $layout == 'edit'
&& !$this->checkEditId('com_users.edit.user', $id))
		{
			// Somehow the person just went to the form - we don't allow that.
			$this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID',
$id));
			$this->setMessage($this->getError(), 'error');
			$this->setRedirect(JRoute::_('index.php?option=com_users&view=loginasuser',
false));

			return false;
		}
		elseif ($view == 'group' && $layout == 'edit'
&& !$this->checkEditId('com_users.edit.group', $id))
		{
			// Somehow the person just went to the form - we don't allow that.
			$this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID',
$id));
			$this->setMessage($this->getError(), 'error');
			$this->setRedirect(JRoute::_('index.php?option=com_users&view=groups',
false));

			return false;
		}
		elseif ($view == 'level' && $layout == 'edit'
&& !$this->checkEditId('com_users.edit.level', $id))
		{
			// Somehow the person just went to the form - we don't allow that.
			$this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID',
$id));
			$this->setMessage($this->getError(), 'error');
			$this->setRedirect(JRoute::_('index.php?option=com_users&view=levels',
false));

			return false;
		}
		elseif ($view == 'note' && $layout == 'edit'
&& !$this->checkEditId('com_users.edit.note', $id))
		{
			// Somehow the person just went to the form - we don't allow that.
			$this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID',
$id));
			$this->setMessage($this->getError(), 'error');
			$this->setRedirect(JRoute::_('index.php?option=com_users&view=notes',
false));

			return false;
		}

		return parent::display();
	}
}