/classes/Upgrader.php
PHP | 292 lines | 200 code | 21 blank | 71 comment | 49 complexity | 813401793a737ce427f0b7443e0fca02 MD5 | raw file
- <?php
- /*
- * 2007-2012 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 2007-2012 PrestaShop SA
- * @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;
- public $rss_version_link = 'http://api.prestashop.com/xml/upgrader.xml';
- public $rss_md5file_link_dir = 'http://api.prestashop.com/xml/md5/';
- /**
- * @var boolean contains true if last version is not installed
- */
- protected $need_upgrade = false;
- protected $changed_files = array();
- protected $missing_files = array();
- public $version_name;
- public $version_num;
- public $version_is_modified = null;
- /**
- * @var string contains hte url where to download the file
- */
- public $link;
- public $autoupgrade;
- public $autoupgrade_module;
- public $autoupgrade_last_version;
- public $autoupgrade_module_link;
- public $changelog;
- public $md5;
- public function __construct($autoload = false)
- {
- if ($autoload)
- {
- $this->loadFromConfig();
- // checkPSVersion to get need_upgrade
- $this->checkPSVersion();
- }
- }
- public function __get($var)
- {
- if ($var == 'need_upgrade')
- return $this->isLastVersion();
- }
- /**
- * 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();
- $destPath = realpath($dest).DIRECTORY_SEPARATOR.$filename;
- if (@copy($this->link, $destPath))
- return true;
- else
- return false;
- }
- public function isLastVersion()
- {
- if (empty($this->link))
- $this->checkPSVersion();
- return $this->need_upgrade;
- }
- /**
- * checkPSVersion ask to prestashop.com if there is a new version. return an array if yes, false otherwise
- *
- * @return mixed
- */
- public function checkPSVersion($force = false)
- {
- if (class_exists('Configuration'))
- $last_check = Configuration::get('PS_LAST_VERSION_CHECK');
- else
- $last_check = 0;
- // if we use the autoupgrade process, we will never refresh it
- // except if no check has been done before
- if ($force || ($last_check < time() - (3600 * Upgrader::DEFAULT_CHECK_VERSION_DELAY_HOURS)))
- {
- libxml_set_streams_context(@stream_context_create(array('http' => array('timeout' => 3))));
- if ($feed = @simplexml_load_file($this->rss_version_link))
- {
- $this->version_name = (string)$feed->version->name;
- $this->version_num = (string)$feed->version->num;
- $this->link = (string)$feed->download->link;
- $this->md5 = (string)$feed->download->md5;
- $this->changelog = (string)$feed->download->changelog;
- $this->autoupgrade = (int)$feed->autoupgrade;
- $this->autoupgrade_module = (int)$feed->autoupgrade_module;
- $this->autoupgrade_last_version = (string)$feed->autoupgrade_last_version;
- $this->autoupgrade_module_link = (string)$feed->autoupgrade_module_link;
- $this->desc = (string)$feed->desc;
- $config_last_version = array(
- 'name' => $this->version_name,
- 'num' => $this->version_num,
- 'link' => $this->link,
- 'md5' => $this->md5,
- 'autoupgrade' => $this->autoupgrade,
- 'autoupgrade_module' => $this->autoupgrade_module,
- 'autoupgrade_last_version' => $this->autoupgrade_last_version,
- 'autoupgrade_module_link' => $this->autoupgrade_module_link,
- 'changelog' => $this->changelog,
- 'desc' => $this->desc
- );
- if (class_exists('Configuration'))
- {
- Configuration::updateValue('PS_LAST_VERSION', serialize($config_last_version));
- Configuration::updateValue('PS_LAST_VERSION_CHECK', time());
- }
- }
- }
- else
- $this->loadFromConfig();
- // 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->need_upgrade = true;
- return array('name' => $this->version_name, 'link' => $this->link);
- }
- else
- return false;
- }
- /**
- * load the last version informations stocked in base
- *
- * @return $this
- */
- public function loadFromConfig()
- {
- $last_version_check = Tools::unSerialize(Configuration::get('PS_LAST_VERSION'));
- if($last_version_check)
- {
- if (isset($last_version_check['name']))
- $this->version_name = $last_version_check['name'];
- if (isset($last_version_check['num']))
- $this->version_num = $last_version_check['num'];
- if (isset($last_version_check['link']))
- $this->link = $last_version_check['link'];
- if (isset($last_version_check['autoupgrade']))
- $this->autoupgrade = $last_version_check['autoupgrade'];
- if (isset($last_version_check['autoupgrade_module']))
- $this->autoupgrade_module = $last_version_check['autoupgrade_module'];
- if (isset($last_version_check['autoupgrade_last_version']))
- $this->autoupgrade_last_version = $last_version_check['autoupgrade_last_version'];
- if (isset($last_version_check['autoupgrade_module_link']))
- $this->autoupgrade_module_link = $last_version_check['autoupgrade_module_link'];
- if (isset($last_version_check['md5']))
- $this->md5 = $last_version_check['md5'];
- if (isset($last_version_check['desc']))
- $this->desc = $last_version_check['desc'];
- if (isset($last_version_check['changelog']))
- $this->changelog = $last_version_check['changelog'];
- }
- return $this;
- }
- /**
- * return an array of files
- * that the md5file does not match to the original md5file (provided by $rss_md5file_link_dir )
- * @return void
- */
- public function getChangedFilesList()
- {
- if (is_array($this->changed_files) && count($this->changed_files) == 0)
- {
- libxml_set_streams_context(@stream_context_create(array('http' => array('timeout' => 3))));
- $checksum = @simplexml_load_file($this->rss_md5file_link_dir._PS_VERSION_.'.xml');
- if ($checksum == false)
- {
- $this->changed_files = false;
- }
- else
- $this->browseXmlAndCompare($checksum->ps_root_dir[0]);
- }
- return $this->changed_files;
- }
- /** populate $this->changed_files with $path
- * in sub arrays mail, translation and core items
- * @param string $path filepath to add, relative to _PS_ROOT_DIR_
- */
- protected function addChangedFile($path)
- {
- $this->version_is_modified = true;
- if (strpos($path, 'mails/') !== false)
- $this->changed_files['mail'][] = $path;
- else if (
- strpos($path, '/en.php') !== false
- || strpos($path, '/fr.php') !== false
- || strpos($path, '/es.php') !== false
- || strpos($path, '/it.php') !== false
- || strpos($path, '/de.php') !== false
- || strpos($path, 'translations/') !== false
- )
- $this->changed_files['translation'][] = $path;
- else
- $this->changed_files['core'][] = $path;
- }
- /** populate $this->missing_files with $path
- * @param string $path filepath to add, relative to _PS_ROOT_DIR_
- */
- protected function addMissingFile($path)
- {
- $this->version_is_modified = true;
- $this->missing_files[] = $path;
- }
- protected function browseXmlAndCompare($node, &$current_path = array(), $level = 1)
- {
- foreach ($node as $key => $child)
- {
- if (is_object($child) && $child->getName() == 'dir')
- {
- $current_path[$level] = (string)$child['name'];
- $this->browseXmlAndCompare($child, $current_path, $level + 1);
- }
- else if (is_object($child) && $child->getName() == 'md5file')
- {
- // We will store only relative path.
- // absolute path is only used for file_exists and compare
- $relative_path = '';
- for ($i = 1; $i < $level; $i++)
- $relative_path .= $current_path[$i].'/';
- $relative_path .= (string)$child['name'];
- $fullpath = _PS_ROOT_DIR_.DIRECTORY_SEPARATOR . $relative_path;
- $fullpath = str_replace('ps_root_dir', _PS_ROOT_DIR_, $fullpath);
- // replace default admin dir by current one
- $fullpath = str_replace(_PS_ROOT_DIR_.'/admin', _PS_ADMIN_DIR_, $fullpath);
- if (!file_exists($fullpath))
- $this->addMissingFile($relative_path);
- else if (!$this->compareChecksum($fullpath, (string)$child))
- $this->addChangedFile($relative_path);
- // else, file is original (and ok)
- }
- }
- }
- protected function compareChecksum($path, $original_sum)
- {
- if (md5_file($path) == $original_sum)
- return true;
- return false;
- }
- public function isAuthenticPrestashopVersion()
- {
- $this->getChangedFilesList();
- return !$this->version_is_modified;
- }
- }