139 lines
4.1 KiB
PHP
139 lines
4.1 KiB
PHP
<?php
|
|
/*
|
|
* 2007-2011 PrestaShop
|
|
*
|
|
* NOTICE OF LICENSE
|
|
*
|
|
* This source file is subject to the Open Software License (OSL 3.0)
|
|
* that is bundled with this package in the file LICENSE.txt.
|
|
* It is also available through the world-wide-web at this URL:
|
|
* http://opensource.org/licenses/osl-3.0.php
|
|
* If you did not receive a copy of the license and are unable to
|
|
* obtain it through the world-wide-web, please send an email
|
|
* to license@prestashop.com so we can send you a copy immediately.
|
|
*
|
|
* DISCLAIMER
|
|
*
|
|
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
|
|
* versions in the future. If you wish to customize PrestaShop for your
|
|
* needs please refer to http://www.prestashop.com for more information.
|
|
*
|
|
* @author PrestaShop SA <contact@prestashop.com>
|
|
* @copyright 2007-2011 PrestaShop SA
|
|
* @version Release: $Revision$
|
|
* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
|
|
* International Registered Trademark & Property of PrestaShop SA
|
|
*/
|
|
|
|
class UpgraderCore{
|
|
const DEFAULT_CHECK_VERSION_DELAY_HOURS = 24;
|
|
/**
|
|
* link contains hte url where to download the file
|
|
*
|
|
* @var string
|
|
*/
|
|
private $needUpgrade = false;
|
|
private $noRefresh = false;
|
|
|
|
public $version_name;
|
|
public $version_num;
|
|
public $link;
|
|
public $autoupgrade;
|
|
|
|
public function __get($var)
|
|
{
|
|
if($var == 'needUpgrade')
|
|
return $this->isLastVersion();
|
|
}
|
|
/**
|
|
* we need to checkPSVersion when we use that class
|
|
* @param boolean noRefresh if true, checkPSVersion will not refresh its information
|
|
* @return object Upgrader
|
|
*/
|
|
public function __construct($noRefresh = false)
|
|
{
|
|
$this->noRefresh = (bool)$noRefresh;
|
|
}
|
|
|
|
/**
|
|
* downloadLast download the last version of PrestaShop and save it in $dest/$filename
|
|
*
|
|
* @param string $dest directory where to save the file
|
|
* @param string $filename new filename
|
|
* @return boolean
|
|
*
|
|
* @TODO ftp if copy is not possible (safe_mode for example)
|
|
*/
|
|
public function downloadLast($dest, $filename = 'prestashop.zip')
|
|
{
|
|
if (empty($this->link))
|
|
$this->checkPSVersion();
|
|
|
|
if (@copy($this->link, realpath($dest).DIRECTORY_SEPARATOR.$filename))
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
public function isLastVersion()
|
|
{
|
|
if (empty($this->link))
|
|
$this->checkPSVersion();
|
|
|
|
return $this->needUpgrade;
|
|
|
|
}
|
|
|
|
/**
|
|
* checkPSVersion ask to prestashop.com if there is a new version. return an array if yes, false otherwise
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public function checkPSVersion($force = false)
|
|
{
|
|
if (empty($this->link))
|
|
{
|
|
$lastCheck = Configuration::get('PS_LAST_VERSION_CHECK');
|
|
// if we use the autoupgrade process, we will never refresh it
|
|
// except if no check has been done before
|
|
if (!($this->autoUpgrade AND $lastCheck) AND ($force OR ($lastCheck < time() - (3600 * Upgrader::DEFAULT_CHECK_VERSION_DELAY_HOURS))) )
|
|
{
|
|
libxml_set_streams_context(stream_context_create(array('http' => array('timeout' => 3))));
|
|
if ($feed = @simplexml_load_file('http://www.prestashop.com/xml/version.xml'))
|
|
{
|
|
$this->version_name = (string)$feed->version->name;
|
|
$this->version_num = (string)$feed->version->num;
|
|
$this->link = (string)$feed->download->link;
|
|
$this->autoupgrade = (int)$feed->autoupgrade;
|
|
$configLastVersion = array(
|
|
'name' => $this->version_name,
|
|
'num' => $this->version_num,
|
|
'link' => $this->link,
|
|
'autoupgrade' => $this->autoupgrade
|
|
);
|
|
Configuration::updateValue('PS_LAST_VERSION',serialize($configLastVersion));
|
|
Configuration::updateValue('PS_LAST_VERSION_CHECK',time());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$lastVersionCheck = unserialize(Configuration::get('PS_LAST_VERSION'));
|
|
$this->version_name = $lastVersionCheck['name'];
|
|
$this->version_num = $lastVersionCheck['num'];
|
|
$this->link = $lastVersionCheck['link'];
|
|
$this->autoupgrade = $lastVersionCheck['autoupgrade'];
|
|
}
|
|
}
|
|
// retro-compatibility :
|
|
// return array(name,link) if you don't use the last version
|
|
// false otherwise
|
|
if (version_compare(_PS_VERSION_, $this->version_num, '<'))
|
|
{
|
|
$this->needUpgrade = true;
|
|
return array('name' => $this->version_name, 'link' => $this->link);
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
}
|