340 lines
12 KiB
PHP
340 lines
12 KiB
PHP
<?php
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/**
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* 2007-2019 PrestaShop and Contributors
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*
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* NOTICE OF LICENSE
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*
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* This source file is subject to the Open Software License (OSL 3.0)
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* that is bundled with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* https://opensource.org/licenses/OSL-3.0
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@prestashop.com so we can send you a copy immediately.
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*
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* DISCLAIMER
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*
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* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
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* versions in the future. If you wish to customize PrestaShop for your
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* needs please refer to https://www.prestashop.com for more information.
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*
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* @author PrestaShop SA <contact@prestashop.com>
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* @copyright 2007-2019 PrestaShop SA and Contributors
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* @license https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
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* International Registered Trademark & Property of PrestaShop SA
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*/
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/**
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* Class UpgraderCore.
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*/
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class UpgraderCore
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{
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const DEFAULT_CHECK_VERSION_DELAY_HOURS = 24;
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public $rss_version_link;
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public $rss_md5file_link_dir;
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/**
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* @var bool contains true if last version is not installed
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*/
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protected $need_upgrade = false;
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protected $changed_files = array();
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protected $missing_files = array();
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public $version_name;
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public $version_num;
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public $version_is_modified = null;
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/**
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* @var string contains hte url where to download the file
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*/
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public $link;
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public $autoupgrade;
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public $autoupgrade_module;
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public $autoupgrade_last_version;
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public $autoupgrade_module_link;
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public $changelog;
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public $md5;
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/**
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* UpgraderCore constructor.
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*
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* @param bool $autoload
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*/
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public function __construct($autoload = false)
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{
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$this->rss_version_link = _PS_API_URL_ . '/xml/upgrader.xml';
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$this->rss_md5file_link_dir = _PS_API_URL_ . '/xml/md5/';
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if ($autoload) {
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$this->loadFromConfig();
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// checkPSVersion to get need_upgrade
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$this->checkPSVersion();
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}
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}
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public function __get($var)
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{
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if ($var == 'need_upgrade') {
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return $this->isLastVersion();
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}
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}
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/**
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* downloadLast download the last version of PrestaShop and save it in $dest/$filename.
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*
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* @param string $dest directory where to save the file
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* @param string $filename new filename
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*
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* @return bool
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*
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* @TODO ftp if copy is not possible (safe_mode for example)
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*/
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public function downloadLast($dest, $filename = 'prestashop.zip')
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{
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if (empty($this->link)) {
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$this->checkPSVersion();
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}
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$destPath = realpath($dest) . DIRECTORY_SEPARATOR . $filename;
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if (@copy($this->link, $destPath)) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* @return bool
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*/
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public function isLastVersion()
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{
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if (empty($this->link)) {
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$this->checkPSVersion();
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}
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return $this->need_upgrade;
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}
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/**
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* checkPSVersion ask to prestashop.com if there is a new version. return an array if yes, false otherwise.
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*
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* @return mixed
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*/
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public function checkPSVersion($force = false)
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{
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if (class_exists('Configuration')) {
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$lastCheck = Configuration::get('PS_LAST_VERSION_CHECK');
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} else {
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$lastCheck = 0;
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}
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// if we use the autoupgrade process, we will never refresh it
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// except if no check has been done before
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if ($force || ($lastCheck < time() - (3600 * Upgrader::DEFAULT_CHECK_VERSION_DELAY_HOURS))) {
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libxml_set_streams_context(@stream_context_create(array('http' => array('timeout' => 3))));
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if ($feed = @simplexml_load_file($this->rss_version_link)) {
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$this->version_name = (string) $feed->version->name;
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$this->version_num = (string) $feed->version->num;
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$this->link = (string) $feed->download->link;
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$this->md5 = (string) $feed->download->md5;
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$this->changelog = (string) $feed->download->changelog;
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$this->autoupgrade = (int) $feed->autoupgrade;
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$this->autoupgrade_module = (int) $feed->autoupgrade_module;
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$this->autoupgrade_last_version = (string) $feed->autoupgrade_last_version;
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$this->autoupgrade_module_link = (string) $feed->autoupgrade_module_link;
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$this->desc = (string) $feed->desc;
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$configLastVersion = array(
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'name' => $this->version_name,
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'num' => $this->version_num,
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'link' => $this->link,
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'md5' => $this->md5,
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'autoupgrade' => $this->autoupgrade,
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'autoupgrade_module' => $this->autoupgrade_module,
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'autoupgrade_last_version' => $this->autoupgrade_last_version,
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'autoupgrade_module_link' => $this->autoupgrade_module_link,
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'changelog' => $this->changelog,
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'desc' => $this->desc,
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);
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if (class_exists('Configuration')) {
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Configuration::updateValue('PS_LAST_VERSION', serialize($configLastVersion));
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Configuration::updateValue('PS_LAST_VERSION_CHECK', time());
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}
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}
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} else {
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$this->loadFromConfig();
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}
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// retro-compatibility :
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// return array(name,link) if you don't use the last version
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// false otherwise
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if (version_compare(_PS_VERSION_, $this->version_num, '<')) {
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$this->need_upgrade = true;
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return array('name' => $this->version_name, 'link' => $this->link);
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} else {
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return false;
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}
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}
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/**
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* load the last version informations stocked in base.
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*
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* @return Upgrader
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*/
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public function loadFromConfig()
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{
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$lastVersionCheck = Tools::unSerialize(Configuration::get('PS_LAST_VERSION'));
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if ($lastVersionCheck) {
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if (isset($lastVersionCheck['name'])) {
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$this->version_name = $lastVersionCheck['name'];
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}
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if (isset($lastVersionCheck['num'])) {
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$this->version_num = $lastVersionCheck['num'];
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}
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if (isset($lastVersionCheck['link'])) {
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$this->link = $lastVersionCheck['link'];
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}
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if (isset($lastVersionCheck['autoupgrade'])) {
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$this->autoupgrade = $lastVersionCheck['autoupgrade'];
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}
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if (isset($lastVersionCheck['autoupgrade_module'])) {
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$this->autoupgrade_module = $lastVersionCheck['autoupgrade_module'];
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}
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if (isset($lastVersionCheck['autoupgrade_last_version'])) {
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$this->autoupgrade_last_version = $lastVersionCheck['autoupgrade_last_version'];
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}
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if (isset($lastVersionCheck['autoupgrade_module_link'])) {
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$this->autoupgrade_module_link = $lastVersionCheck['autoupgrade_module_link'];
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}
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if (isset($lastVersionCheck['md5'])) {
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$this->md5 = $lastVersionCheck['md5'];
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}
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if (isset($lastVersionCheck['desc'])) {
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$this->desc = $lastVersionCheck['desc'];
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}
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if (isset($lastVersionCheck['changelog'])) {
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$this->changelog = $lastVersionCheck['changelog'];
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}
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}
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return $this;
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}
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/**
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* return an array of files
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* that the md5file does not match to the original md5file (provided by $rss_md5file_link_dir ).
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*
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* @return array
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*/
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public function getChangedFilesList()
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{
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if (is_array($this->changed_files) && count($this->changed_files) == 0) {
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libxml_set_streams_context(@stream_context_create(array('http' => array('timeout' => 3))));
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$checksum = @simplexml_load_file($this->rss_md5file_link_dir . _PS_VERSION_ . '.xml');
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if ($checksum == false) {
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$this->changed_files = false;
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} else {
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$this->browseXmlAndCompare($checksum->ps_root_dir[0]);
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}
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}
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return $this->changed_files;
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}
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/** populate $this->changed_files with $path
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* in sub arrays mail, translation and core items.
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*
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* @param string $path filepath to add, relative to _PS_ROOT_DIR_
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*/
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protected function addChangedFile($path)
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{
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$this->version_is_modified = true;
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if (strpos($path, 'mails/') !== false) {
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$this->changed_files['mail'][] = $path;
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} elseif (
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strpos($path, '/en.php') !== false
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|| strpos($path, '/fr.php') !== false
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|| strpos($path, '/es.php') !== false
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|| strpos($path, '/it.php') !== false
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|| strpos($path, '/de.php') !== false
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|| strpos($path, 'translations/') !== false
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) {
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$this->changed_files['translation'][] = $path;
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} else {
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$this->changed_files['core'][] = $path;
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}
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}
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/** populate $this->missing_files with $path
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*
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* @param string $path filepath to add, relative to _PS_ROOT_DIR_
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*/
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protected function addMissingFile($path)
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{
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$this->version_is_modified = true;
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$this->missing_files[] = $path;
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}
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/**
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* @param $node
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* @param array $currentPath
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* @param int $level
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*/
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protected function browseXmlAndCompare($node, &$currentPath = array(), $level = 1)
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{
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foreach ($node as $key => $child) {
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/** @var SimpleXMLElement $child */
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if (is_object($child) && $child->getName() == 'dir') {
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$currentPath[$level] = (string) $child['name'];
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$this->browseXmlAndCompare($child, $currentPath, $level + 1);
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} elseif (is_object($child) && $child->getName() == 'md5file') {
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// We will store only relative path.
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// absolute path is only used for file_exists and compare
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$relativePath = '';
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for ($i = 1; $i < $level; ++$i) {
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$relativePath .= $currentPath[$i] . '/';
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}
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$relativePath .= (string) $child['name'];
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$fullpath = _PS_ROOT_DIR_ . DIRECTORY_SEPARATOR . $relativePath;
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$fullpath = str_replace('ps_root_dir', _PS_ROOT_DIR_, $fullpath);
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// replace default admin dir by current one
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$fullpath = str_replace(_PS_ROOT_DIR_ . '/admin', _PS_ADMIN_DIR_, $fullpath);
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if (!file_exists($fullpath)) {
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$this->addMissingFile($relativePath);
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} elseif (!$this->compareChecksum($fullpath, (string) $child)) {
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$this->addChangedFile($relativePath);
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}
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// else, file is original (and ok)
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}
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}
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}
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/**
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* Compare checksum.
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*
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* @param string $path
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* @param string $originalSum
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*
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* @return bool
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*/
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protected function compareChecksum($path, $originalSum)
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{
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if (md5_file($path) == $originalSum) {
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return true;
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}
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return false;
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}
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/**
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* Is this an authentic PrestaShop version?
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*
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* @return bool
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*/
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public function isAuthenticPrestashopVersion()
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{
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$this->getChangedFilesList();
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return !$this->version_is_modified;
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}
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}
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