Files
Froxlor/lib/classes/aps/class.ApsUpdater.php
2010-02-23 07:54:02 +00:00

296 lines
7.9 KiB
PHP

<?php
/**
* Implementation of the Application Packaging Standard from SwSoft/Parallels
* http://apsstandard.com
*
* This file is part of the Froxlor project.
* Copyright (c) 2003-2009 the SysCP Team (see authors).
* Copyright (c) 2010 the Froxlor Team (see authors).
*
* For the full copyright and license information, please view the COPYING
* file that was distributed with this source code. You can also view the
* COPYING file online at http://files.froxlor.org/misc/COPYING.txt
*
* @copyright (c) the authors
* @author Florian Lippert <flo@syscp.org> (2003-2009)
* @author Froxlor team <team@froxlor.org> (2010-)
* @license GPLv2 http://files.froxlor.org/misc/COPYING.txt
* @package APS
* @version $Id$
* @todo logging
* install specific packages by name
* other solution than using url_fopen
* move url for distributionserver into panel
*/
class ApsUpdater extends ApsParser
{
private $settings = array();
private $db = false;
private $RequestDomain = '';
private $RootUrl = '';
private $RootDir = '';
/**
* FroxlorLogger
* @var FroxlorLogger
*/
private $_cronlog = null;
/**
* constructor of class. setup some basic variables needed by class
*
* @param db instance of the database class
* @param cronlog instance of the froxlor logger
*/
public function __construct($db, $cronlog)
{
$this->db = $db;
$this->RequestDomain = 'apscatalog.com';
$this->RootUrl = '/1/';
$this->RootDir = dirname(dirname(dirname(dirname(__FILE__)))) . '/';
$this->_cronlog = $cronlog;
}
/**
* Main function of class which handles all around the update mechanism
*/
public function UpdateHandler()
{
$this->_cronlog->logAction(CRON_ACTION, LOG_NOTICE, "Changing directory to '" . $this->RootDir . "'");
chdir($this->RootDir);
//return if allow_url_fopen is disabled
if(!ini_get('allow_url_fopen'))
{
$this->_cronlog->logAction(CRON_ACTION, LOG_ERROR, "The APS updater cronjob requires that allow_url_fopen is enabled for the PHP CLI binary!");
echo "The APS updater cronjob requires that allow_url_fopen is enabled for the PHP CLI binary!\n";
return;
}
//return if no task exists
$Result = $this->db->query('SELECT * FROM `' . TABLE_APS_TASKS . '` WHERE `Task` IN (' . TASK_SYSTEM_UPDATE . ', ' . TASK_SYSTEM_DOWNLOAD . ')');
if($this->db->num_rows($Result) == 0)
{
$this->_cronlog->logAction(CRON_ACTION, LOG_NOTICE, "No tasks for ApsUpdater");
return;
}
//query first task -> updater can only do one job within a run
$Task = $this->db->fetch_array($Result);
$this->db->query('DELETE FROM `' . TABLE_APS_TASKS . '` WHERE `Task` = ' . $Task['Task']);
//fetch all vendors
$this->_cronlog->logAction(CRON_ACTION, LOG_NOTICE, "Fetching all Vendors from '" . $this->RootUrl . "'");
$Vendors = self::FetchSubUrls($this->RootUrl);
if($Vendors !== false)
{
foreach($Vendors as $Vendor)
{
//fetch all applications from vendors
$this->_cronlog->logAction(CRON_ACTION, LOG_NOTICE, "Fetching all from Vendor '" . $Vendor. "'");
$Applications = self::FetchSubUrls($this->RootUrl . $Vendor);
if($Applications !== false)
{
foreach($Applications as $Application)
{
//get newest version of package which is already installed
$this->_cronlog->logAction(CRON_ACTION, LOG_NOTICE, "Checking application '" . substr($Application, 0, -1) . "'");
$CurrentVersion = '';
$Result = $this->db->query('SELECT * FROM `' . TABLE_APS_PACKAGES . '` WHERE `Name` = "' . $this->db->escape(substr($Application, 0, -1)) . '"');
while($Row = $this->db->fetch_array($Result))
{
if(version_compare($Row['Version'] . '-' . $Row['Release'], $CurrentVersion) == 1)
{
$CurrentVersion = $Row['Version'] . '-' . $Row['Release'];
}
}
if($this->db->num_rows($Result) != 0)
{
//package already installed in system, search for newer version
if($Task['Task'] != TASK_SYSTEM_UPDATE)continue;
//fetch different versions of application from distribution server
$NewerVersion = '';
$Versions = self::FetchSubUrls($this->RootUrl . $Vendor . $Application);
if($Versions !== false)
{
foreach($Versions as $Version)
{
$OnlineVersion = substr($Version, 0, -1);
//is package newer than current version?
if(version_compare($OnlineVersion, $CurrentVersion) == 1)
{
//is new package newer than another one found before?
if(version_compare($OnlineVersion, $NewerVersion) == 1)
{
$NewerVersion = $OnlineVersion;
}
}
}
if($NewerVersion != '')
{
//download package as an update
self::DownloadPackage($this->RootUrl . $Vendor . $Application . $NewerVersion, substr($Application, 0, -1), $NewerVersion);
continue;
}
}
}
else
{
if($Task['Task'] != TASK_SYSTEM_DOWNLOAD)continue;
//new packages
$NewVersion = '';
$Versions = self::FetchSubUrls($this->RootUrl . $Vendor . $Application);
foreach($Versions as $Version)
{
$OnlineVersion = substr($Version, 0, -1);
//is package newer than another one found before?
if(version_compare($OnlineVersion, $NewVersion) == 1)
{
$NewVersion = $OnlineVersion;
}
}
if($NewVersion != '')
{
//download package as a new one
self::DownloadPackage($this->RootUrl . $Vendor . $Application . $NewVersion, substr($Application, 0, -1), $NewVersion);
continue;
}
}
}
}
}
}
}
/**
* download a package from the distribution server and move the downloaded file in the temporary directory
*
* @param url url to download
* @param application string identifying the application name
* @param version string identifying the application version
* @return success true/error false
*/
private function DownloadPackage($Url, $Application, $Version)
{
$Downloads = self::FetchSubUrls($Url . '/');
//make url valid
$path = dirname($Url);
$file = urlencode(basename($Url));
$file_url = 'http://' . $this->RequestDomain . $path . '/' . $file . '.aps' . $Downloads[0];
//get content from website url
$this->_cronlog->logAction(CRON_ACTION, LOG_NOTICE, "Downloading '" . $file_url . "'");
$Content = @file_get_contents($file_url);
if($Content != false)
{
//open file to write contents on disk
$FileHandle = fopen($this->RootDir . 'temp/' . $Application . '-' . $Version . '.app.zip', 'wb');
if($FileHandle == true)
{
//write results to disk
fwrite($FileHandle, $Content);
fclose($FileHandle);
//set right permissions
chmod($this->RootDir . 'temp/' . $Application . '-' . $Version . '.app.zip', 0664);
return true;
}
else
{
return false;
}
}
else
{
return false;
}
}
/**
* fetch html content of distribution server and parse all information
*
* @param requestdomain domain to aps-/mirrorserver with package api
* @param url url to fetch sub links from
* @return error false/success array with relative sub links
*/
private function FetchSubUrls($Url)
{
$Return = array();
//make url valid
$Url = str_replace(' ', '%20', $Url);
$file_url = 'http://' . $this->RequestDomain . $Url;
//get content from website url
$Content = @file($file_url);
if($Content !== false)
{
foreach($Content as $Temp)
{
//skip empty lines
if($Temp != "\r\n"
&& $Temp != "\r"
&& $Temp != "\n"
&& $Temp != "")
{
//remove unwanted characters
$Temp = trim($Temp);
//grep URLs which match defined format
if(preg_match("/^<a href=\"(.+)\".+class=\"(vendor|application|version|packager)\"/", $Temp, $Matches))
{
if(!in_array(urldecode($Matches[1]), $Return))$Return[] = urldecode($Matches[1]);
}
}
}
return $Return;
}
else
{
return false;
}
}
}
?>