545 lines
20 KiB
PHP
545 lines
20 KiB
PHP
<?php
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/**
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* 2007-2016 PrestaShop.
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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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* http://opensource.org/licenses/osl-3.0.php
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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 http://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 2007-2016 PrestaShop SA
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* @license http://opensource.org/licenses/osl-3.0.php 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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namespace PrestaShop\Module\AutoUpgrade;
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use Symfony\Component\Filesystem\Filesystem;
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use Symfony\Component\Filesystem\Exception\IOException;
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use Configuration;
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class Upgrader
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{
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const DEFAULT_CHECK_VERSION_DELAY_HOURS = 12;
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const DEFAULT_CHANNEL = 'minor';
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const DEFAULT_FILENAME = 'prestashop.zip';
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public $addons_api = 'api.addons.prestashop.com';
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public $rss_channel_link = 'https://api.prestashop.com/xml/channel.xml';
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public $rss_md5file_link_dir = 'https://api.prestashop.com/xml/md5/';
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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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private $need_upgrade = false;
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private $changed_files = array();
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private $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;
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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 $available;
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public $md5;
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public static $default_channel = 'minor';
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public $channel = '';
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public $branch = '';
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protected $currentPsVersion;
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public function __construct($version, $autoload = false)
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{
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$this->currentPsVersion = $version;
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if ($autoload) {
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$matches = array();
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preg_match('#([0-9]+\.[0-9]+)\.[0-9]+\.[0-9]+#', $this->currentPsVersion, $matches);
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$this->branch = $matches[1];
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if (empty($this->channel)) {
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$this->channel = self::$default_channel;
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}
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// checkPSVersion to get need_upgrade
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$this->checkPSVersion();
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}
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if (!extension_loaded('openssl')) {
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$this->rss_channel_link = str_replace('https://', 'http://', $this->rss_channel_link);
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$this->rss_md5file_link_dir = str_replace('https://', 'http://', $this->rss_md5file_link_dir);
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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 . $filename;
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try {
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$filesystem = new Filesystem();
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$filesystem->copy($this->link, $destPath);
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} catch (IOException $e) {
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// If the Symfony filesystem failed, we can try with
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// the legacy method which uses curl.
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Tools14::copy($this->link, $destPath);
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}
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return is_file($destPath);
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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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* @param bool $refresh if set to true, will force to download channel.xml
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* @param array $array_no_major array of channels which will return only the immediate next version number
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*
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* @return mixed
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*/
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public function checkPSVersion($refresh = false, $array_no_major = array('minor'))
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{
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// if we use the autoupgrade process, we will never refresh it
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// except if no check has been done before
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$feed = $this->getXmlChannel($refresh);
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$branch_name = '';
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$channel_name = '';
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// channel hierarchy :
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// if you follow private, you follow stable release
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// if you follow rc, you also follow stable
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// if you follow beta, you also follow rc
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// et caetera
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$followed_channels = array();
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$followed_channels[] = $this->channel;
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switch ($this->channel) {
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case 'alpha':
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$followed_channels[] = 'beta';
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// no break
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case 'beta':
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$followed_channels[] = 'rc';
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// no break
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case 'rc':
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$followed_channels[] = 'stable';
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// no break
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case 'minor':
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case 'major':
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case 'private':
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$followed_channels[] = 'stable';
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}
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if ($feed) {
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$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) $feed->autoupgrade->download->link;
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foreach ($feed->channel as $channel) {
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$channel_available = (string) $channel['available'];
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$channel_name = (string) $channel['name'];
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// stable means major and minor
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// boolean algebra
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// skip if one of theses props are true:
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// - "stable" in xml, "minor" or "major" in configuration
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// - channel in xml is not channel in configuration
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if (!(in_array($channel_name, $followed_channels))) {
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continue;
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}
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// now we are on the correct channel (minor, major, ...)
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foreach ($channel as $branch) {
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// branch name = which version
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$branch_name = (string) $branch['name'];
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// if channel is "minor" in configuration, do not allow something else than current branch
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// otherwise, allow superior or equal
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if (
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(in_array($this->channel, $followed_channels)
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&& version_compare($branch_name, $this->branch, '>='))
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) {
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// skip if $branch->num is inferior to a previous one, skip it
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if (version_compare((string) $branch->num, $this->version_num, '<')) {
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continue;
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}
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// also skip if previous loop found an available upgrade and current is not
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if ($this->available && !($channel_available && (string) $branch['available'])) {
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continue;
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}
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// also skip if chosen channel is minor, and xml branch name is superior to current
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if (in_array($this->channel, $array_no_major) && version_compare($branch_name, $this->branch, '>')) {
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continue;
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}
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$this->version_name = (string) $branch->name;
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$this->version_num = (string) $branch->num;
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$this->link = (string) $branch->download->link;
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$this->md5 = (string) $branch->download->md5;
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$this->changelog = (string) $branch->changelog;
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if (extension_loaded('openssl')) {
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$this->link = str_replace('http://', 'https://', $this->link);
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$this->changelog = str_replace('http://', 'https://', $this->changelog);
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}
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$this->available = $channel_available && (string) $branch['available'];
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}
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}
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}
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} else {
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return false;
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}
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// retro-compatibility :
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// return array(name,link) if you don't use the last version
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// false otherwise
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if (version_compare($this->currentPsVersion, $this->version_num, '<')) {
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$this->need_upgrade = true;
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return array('name' => $this->version_name, 'link' => $this->link);
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} else {
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return false;
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}
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}
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/**
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* delete the file /config/xml/$version.xml if exists.
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*
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* @param string $version
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*
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* @return bool true if succeed
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*/
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public function clearXmlMd5File($version)
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{
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if (file_exists(_PS_ROOT_DIR_ . '/config/xml/' . $version . '.xml')) {
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return unlink(_PS_ROOT_DIR_ . '/config/xml/' . $version . '.xml');
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}
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return true;
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}
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/**
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* use the addons api to get xml files.
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*
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* @param mixed $xml_localfile
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* @param mixed $postData
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* @param mixed $refresh
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*/
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public function getApiAddons($xml_localfile, $postData, $refresh = false)
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{
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if (!is_dir(_PS_ROOT_DIR_ . '/config/xml')) {
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if (is_file(_PS_ROOT_DIR_ . '/config/xml')) {
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unlink(_PS_ROOT_DIR_ . '/config/xml');
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}
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mkdir(_PS_ROOT_DIR_ . '/config/xml', 0777);
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}
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if ($refresh || !file_exists($xml_localfile) || @filemtime($xml_localfile) < (time() - (3600 * self::DEFAULT_CHECK_VERSION_DELAY_HOURS))) {
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$protocolsList = array('https://' => 443, 'http://' => 80);
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if (!extension_loaded('openssl')) {
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unset($protocolsList['https://']);
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}
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// Make the request
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$opts = array(
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'http' => array(
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'method' => 'POST',
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'content' => $postData,
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'header' => 'Content-type: application/x-www-form-urlencoded',
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'timeout' => 10,
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), );
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$context = stream_context_create($opts);
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$xml = false;
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foreach ($protocolsList as $protocol => $port) {
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$xml_string = Tools14::file_get_contents($protocol . $this->addons_api, false, $context);
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if ($xml_string) {
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$xml = @simplexml_load_string($xml_string);
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break;
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}
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}
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if ($xml !== false) {
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file_put_contents($xml_localfile, $xml_string);
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}
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} else {
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$xml = @simplexml_load_file($xml_localfile);
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}
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return $xml;
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}
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public function getXmlFile($xml_localfile, $xml_remotefile, $refresh = false)
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{
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// @TODO : this has to be moved in autoupgrade.php > install method
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if (!is_dir(_PS_ROOT_DIR_ . '/config/xml')) {
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if (is_file(_PS_ROOT_DIR_ . '/config/xml')) {
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unlink(_PS_ROOT_DIR_ . '/config/xml');
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}
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mkdir(_PS_ROOT_DIR_ . '/config/xml', 0777);
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}
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if ($refresh || !file_exists($xml_localfile) || @filemtime($xml_localfile) < (time() - (3600 * self::DEFAULT_CHECK_VERSION_DELAY_HOURS))) {
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$xml_string = Tools14::file_get_contents($xml_remotefile, false, stream_context_create(array('http' => array('timeout' => 10))));
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$xml = @simplexml_load_string($xml_string);
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if ($xml !== false) {
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file_put_contents($xml_localfile, $xml_string);
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}
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} else {
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$xml = @simplexml_load_file($xml_localfile);
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}
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return $xml;
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}
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public function getXmlChannel($refresh = false)
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{
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$xml = $this->getXmlFile(
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_PS_ROOT_DIR_ . '/config/xml/' . pathinfo($this->rss_channel_link, PATHINFO_BASENAME),
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$this->rss_channel_link,
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$refresh
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);
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if ($refresh) {
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if (class_exists('Configuration', false)) {
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Configuration::updateValue('PS_LAST_VERSION_CHECK', time());
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}
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}
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return $xml;
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}
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/**
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* return xml containing the list of all default PrestaShop files for version $version,
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* and their respective md5sum.
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*
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* @param string $version
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*
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* @return \SimpleXMLElement|false if error
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*/
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public function getXmlMd5File($version, $refresh = false)
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{
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return $this->getXmlFIle(_PS_ROOT_DIR_ . '/config/xml/' . $version . '.xml', $this->rss_md5file_link_dir . $version . '.xml', $refresh);
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}
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/**
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* returns an array of files which are present in PrestaShop version $version and has been modified
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* in the current filesystem.
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*
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* @return array of string> array of filepath
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*/
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public function getChangedFilesList($version = null, $refresh = false)
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{
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if (empty($version)) {
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$version = $this->currentPsVersion;
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}
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if (is_array($this->changed_files) && count($this->changed_files) == 0) {
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$checksum = $this->getXmlMd5File($version, $refresh);
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if ($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'][] = $path;
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} elseif (strpos($path, '/en.php') !== false || strpos($path, '/fr.php') !== false
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|| strpos($path, '/es.php') !== false || strpos($path, '/it.php') !== false
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|| strpos($path, '/de.php') !== false || strpos($path, 'translations/') !== false) {
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$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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* @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[] = $path;
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}
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public function md5FileAsArray($node, $dir = '/')
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{
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$array = array();
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foreach ($node as $key => $child) {
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if (is_object($child) && $child->getName() == 'dir') {
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$dir = (string) $child['name'];
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/**
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* $current_path = $dir.(string)$child['name'];.
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*
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* @todo : something else than array pop ?
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*/
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$dir_content = $this->md5FileAsArray($child, $dir);
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$array[$dir] = $dir_content;
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} elseif (is_object($child) && $child->getName() == 'md5file') {
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$array[(string) $child['name']] = (string) $child;
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}
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}
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return $array;
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}
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/**
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* getDiffFilesList.
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*
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* @param string $version1
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* @param string $version2
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* @param bool $show_modif
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*
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* @return array|false array('modified'=>array(...), 'deleted'=>array(...))
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*/
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public function getDiffFilesList($version1, $version2, $show_modif = true, $refresh = false)
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{
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$checksum1 = $this->getXmlMd5File($version1, $refresh);
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$checksum2 = $this->getXmlMd5File($version2, $refresh);
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if ($checksum1) {
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$v1 = $this->md5FileAsArray($checksum1->ps_root_dir[0]);
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}
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if ($checksum2) {
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$v2 = $this->md5FileAsArray($checksum2->ps_root_dir[0]);
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}
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if (empty($v1) || empty($v2)) {
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return false;
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}
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$filesList = $this->compareReleases($v1, $v2, $show_modif);
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if (!$show_modif) {
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return $filesList['deleted'];
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}
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return $filesList;
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}
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/**
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* returns an array of files which.
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*
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* @param array $v1 result of method $this->md5FileAsArray()
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* @param array $v2 result of method $this->md5FileAsArray()
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* @param bool $show_modif if set to false, the method will only
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* list deleted files
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* @param string $path
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* deleted files in version $v2. Otherwise, only deleted.
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*
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* @return array('modified' => array(files..), 'deleted' => array(files..)
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*/
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public function compareReleases($v1, $v2, $show_modif = true, $path = '/')
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{
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// in that array the list of files present in v1 deleted in v2
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static $deletedFiles = array();
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// in that array the list of files present in v1 modified in v2
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static $modifiedFiles = array();
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foreach ($v1 as $file => $md5) {
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if (is_array($md5)) {
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$subpath = $path . $file;
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if (isset($v2[$file]) && is_array($v2[$file])) {
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$this->compareReleases($md5, $v2[$file], $show_modif, $path . $file . '/');
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} else { // also remove old dir
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$deletedFiles[] = $subpath;
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}
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} else {
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if (in_array($file, array_keys($v2))) {
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if ($show_modif && ($v1[$file] != $v2[$file])) {
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$modifiedFiles[] = $path . $file;
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}
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$exists = true;
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} else {
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$deletedFiles[] = $path . $file;
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}
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}
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}
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return array('deleted' => $deletedFiles, 'modified' => $modifiedFiles);
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}
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/**
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* Compare the md5sum of the current files with the md5sum of the original.
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*
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* @param mixed $node
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* @param array $current_path
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* @param int $level
|
|
*/
|
|
protected function browseXmlAndCompare($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, $level + 1);
|
|
} elseif (is_object($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);
|
|
$fullpath = str_replace(_PS_ROOT_DIR_ . DIRECTORY_SEPARATOR . 'admin', _PS_ADMIN_DIR_, $fullpath);
|
|
if (!file_exists($fullpath)) {
|
|
$this->addMissingFile($relative_path);
|
|
} elseif (!$this->compareChecksum($fullpath, (string) $child) && substr(str_replace(DIRECTORY_SEPARATOR, '-', $relative_path), 0, 19) != 'modules/autoupgrade') {
|
|
$this->addChangedFile($relative_path);
|
|
}
|
|
// else, file is original (and ok)
|
|
}
|
|
}
|
|
}
|
|
|
|
protected function compareChecksum($filepath, $md5sum)
|
|
{
|
|
return md5_file($filepath) == $md5sum;
|
|
}
|
|
|
|
public function isAuthenticPrestashopVersion($version = null, $refresh = false)
|
|
{
|
|
$this->getChangedFilesList($version, $refresh);
|
|
|
|
return !$this->version_is_modified;
|
|
}
|
|
}
|