<?php
/*----------------------------------------------------------------------------------|  www.vdm.io  |----/
				Agence Agerix 
/-------------------------------------------------------------------------------------------------------/

	@version		1.x.x
	@build			2nd June, 2022
	@created		12th December, 2020
	@package		Extension Distributor
	@subpackage		package.php
	@author			Emmanuel Danan <https://agerix.fr>	
	@copyright		Copyright (C) 2021. All Rights Reserved.
	@license		GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
  ____  _____  _____  __  __  __      __       ___  _____  __  __  ____  _____  _  _  ____  _  _  ____ 
 (_  _)(  _  )(  _  )(  \/  )(  )    /__\     / __)(  _  )(  \/  )(  _ \(  _  )( \( )( ___)( \( )(_  _)
.-_)(   )(_)(  )(_)(  )    (  )(__  /(__)\   ( (__  )(_)(  )    (  )___/ )(_)(  )  (  )__)  )  (   )(  
\____) (_____)(_____)(_/\/\_)(____)(__)(__)   \___)(_____)(_/\/\_)(__)  (_____)(_)\_)(____)(_)\_) (__) 

/------------------------------------------------------------------------------------------------------*/

// No direct access to this file
defined('_JEXEC') or die('Restricted access');

use Joomla\CMS\MVC\Controller\FormController;
use Joomla\Utilities\ArrayHelper;

/**
 * Extensiondistributor Package Form Controller
 */
class ExtensiondistributorControllerPackage extends FormController
{
	/**
	 * Current or most recently performed task.
	 *
	 * @var    string
	 * @since  12.2
	 * @note   Replaces _task.
	 */
	protected $task;

	public function __construct($config = array())
	{
		$this->view_list = 'keys'; // safeguard for setting the return view listing to the default site view.
		parent::__construct($config);
	}

	public function update()
	{
		$app = JFactory::getApplication();
      	$cparams = JComponentHelper::getParams('com_extensiondistributor');
		$releaseId = $app->input->get('release', null, 'int');
		$key = $app->input->get('key');
		$domain = $app->input->get('domain', null, 'base64');
		$domain = base64_decode($domain);
		$ip = $app->input->get('ip', null, 'base64');
		$ip = base64_decode($ip);

		$this->setRedirect(
			JRoute::_(
				JUri::root(), false
			)
		);

		// We check if a release ID was provided or we get the latest one
      	if ($releaseId) {
      		// We need to identify which type of release it is extension or package
      		$release = ExtensiondistributorHelper::getReleaseFile($releaseId, $key);
      		if ($release['file'] === false) {
      			echo $release['msg'];
	        	return false;
	        } else {
      			$filename = $release['msg'];
	        }
        } else {
	        $app->enqueueMessage('We could not identify your request','error');
	        return false;
        }

      	$folder = $cparams->get('releases_directory');
      	$folder = JPath::clean(JPATH_SITE . '/' . $folder . '/');

		$file = $folder . $filename;
		if (!JFile::exists($file)) {
			$app->enqueueMessage(sprintf('The file %s is not available', $filename),'error');
			return false;
		}
		$size = filesize($file);

      	// All checks has been done we log the download 
      	$db = JFactory::getDbo();
		$log = new stdClass();
		$log->transaction = 'Joomla';
		$log->package = ExtensiondistributorHelper::getVar('release',$releaseId,'id','package');
		$log->user = ExtensiondistributorHelper::getVar('key',$key,'key','user');
		$log->domain = $domain;
		$log->ip = $ip;
      	$log->key = $key;
		$log->created = JFactory::getDate()->toSql();
		$log->created_by = $log->user;
		$db->insertObject('#__extensiondistributor_download',$log);

		header('Content-Description: File Transfer');
		header('Content-Type: application/octet-stream');
		header("Content-Transfer-Encoding: Binary");
		header('Content-Disposition: attachment; filename="'.$filename.'"');
		header('Expires: 0');
		header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
		header('Pragma: public');
		header('Content-Length: ' . $size);
		ob_clean();
		flush();
		readfile($file);

		jexit();
	}

	public function check()
	{
		$app = JFactory::getApplication();
      	$cparams = JComponentHelper::getParams('com_extensiondistributor');
		$releaseId = $app->input->get('release', null, 'int');
		$key = $app->input->get('key');

		$release = ExtensiondistributorHelper::getReleaseFile($releaseId, $key);

		header('Content-Type: application/json');
      	echo json_encode($release);
		$app->close();
		jexit();
	}


	/**
	 * Method to check if you can edit an existing record.
	 *
	 * Extended classes can override this if necessary.
	 *
	 * @param   array   $data  An array of input data.
	 * @param   string  $key   The name of the key for the primary key; default is id.
	 *
	 * @return  boolean
	 *
	 * @since   12.2
	 */
	protected function allowEdit($data = array(), $key = 'id')
	{
		// to insure no other tampering
		return false;
	}

        /**
	 * Method override to check if you can add a new record.
	 *
	 * @param   array  $data  An array of input data.
	 *
	 * @return  boolean
	 *
	 * @since   1.6
	 */
	protected function allowAdd($data = array())
	{
		// to insure no other tampering
		return false;
	}

	/**
	 * Method to check if you can save a new or existing record.
	 *
	 * Extended classes can override this if necessary.
	 *
	 * @param   array   $data  An array of input data.
	 * @param   string  $key   The name of the key for the primary key.
	 *
	 * @return  boolean
	 *
	 * @since   12.2
	 */
	protected function allowSave($data, $key = 'id')
	{
		// to insure no other tampering
		return false;
	}

	/**
	 * Function that allows child controller access to model data
	 * after the data has been saved.
	 *
	 * @param   JModelLegacy  $model      The data model object.
	 * @param   array         $validData  The validated data.
	 *
	 * @return  void
	 *
	 * @since   12.2
	 */
	protected function postSaveHook(JModelLegacy $model, $validData = array())
	{
	}
}