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<?php
/**
* @version $Id:fx.upgrade.class.php 97 2009-01-23 21:58:23Z fxstein $
* Kunena Component
* @package Kunena
*
* @Copyright (C) 2008 - 2009 Kunena Team All rights reserved
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link http://www.kunena.com
*
* Based on comUpgrade class
* @copyright (C) 2005 - 2007 Samuel Suter / All Rights Reserved
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @author Samuel Suter
**/
// ensure this file is being included by a parent file
defined( '_JEXEC' ) or die('Restricted access');
// Kunena wide defines
require_once (JPATH_ROOT .DS. 'components' .DS. 'com_kunena' .DS. 'lib' .DS. 'kunena.defines.php');
include_once (KUNENA_PATH_LIB .DS. 'kunena.debug.php');
class fx_Upgrade {
var $component=null;
var $xmlFileName=null;
var $subdir=null;
var $versionTable=null;
var $silent=null;
var $_error=null;
var $_return=true;
var $_upgradeDir=null;
// helper function to create version table
function fx_Upgrade( $component, $xmlFileName = "fx_upgrade.xml", $versionTablePrefix = "fx_", $subdir = "", $silent = false ) {
$db =& JFactory::getDBO();
$this->component = $component;
$this->xmlFileName = $xmlFileName;
$this->subdir = $subdir;
$this->versionTable = $db->getPrefix() . $versionTablePrefix . "version";
$this->silent = $silent;
}
// helper function to create new version table
function createVersionTable()
{
$kunena_db =& JFactory::getDBO();
$kunena_db->setQuery( "CREATE TABLE IF NOT EXISTS `$this->versionTable`
(`id` INTEGER NOT NULL AUTO_INCREMENT,
`version` VARCHAR(20) NOT NULL,
`versiondate` DATE NOT NULL,
`installdate` DATE NOT NULL,
`build` VARCHAR(20) NOT NULL,
`versionname` VARCHAR(40) NULL,
PRIMARY KEY(`id`)) DEFAULT CHARSET=utf8;" );
// Let the install handle the error
return $kunena_db->query();
check_dberror("Version table creation failed.");
}
// helper function to drop existing version table
function dropVersionTable()
{
$kunena_db =& JFactory::getDBO();
$kunena_db->setQuery("DROP TABLE IF EXISTS `$this->versionTable`;");
$kunena_db->query();
check_dbwarning('Unable to drop version table.');
}
// helper function retrieve latest version from version table
function getLatestVersion($versionTable)
{
$kunena_db =& JFactory::getDBO();
$query = "SELECT
`version`,
`versiondate`,
`installdate`,
`build`,
`versionname`
FROM `$versionTable`
ORDER BY `id` DESC";
$kunena_db->setQuery($query,0,1);// LIMIT 1
$currentVersion = $kunena_db->loadObject();
check_dberror('Could not load latest Version record.');
return $currentVersion;
}
function insertVersionData( $version, $versiondate, $build, $versionname)
{
$kunena_db =& JFactory::getDBO();
$kunena_db->setQuery( "INSERT INTO `$this->versionTable`
SET `version` = '".$version."',
`versiondate` = '".$versiondate."',
`installdate` = CURDATE(),
`build` = '".$build."',
`versionname` = '".$versionname."';"
);
$kunena_db->query();
check_dberror('Unable to insert version record.');
}
function insertDummyVersion()
{
$this->insertVersionData('0.0.1','2007-01-01',0,'Placeholder for unknown prior version');
}
function backupVersionTable()
{
$kunena_db =& JFactory::getDBO();
$kunena_db->setQuery("DROP TABLE IF EXISTS `".$this->versionTable."_backup`;");
$kunena_db->query();
check_dberror('Unable to drop previous backup version table.');
$kunena_db->setQuery("CREATE TABLE `".$this->versionTable."_backup` SELECT * FROM `".$this->versionTable."`;");
$kunena_db->query();
check_dberror('Unable to backup version table.');
}
/**
* Main upgrade function. Processes XML file
*/
function doUpgrade() {
require_once( KUNENA_ROOT_PATH .DS. 'includes/domit/xml_domit_lite_include.php' );
if(!$this->silent) {
?>
<script language=JavaScript>
function showDetail(srcElement) {
var targetID, srcElement, targetElement, imgElementID, imgElement;
targetID = srcElement.id + "_details";
imgElementID = srcElement.id + "_img";
targetElement = document.getElementById(targetID);
imgElement = document.getElementById(imgElementID);
if (targetElement.style.display == "none") {
targetElement.style.display = "";
imgElement.src = "images/collapseall.png";
} else {
targetElement.style.display = "none";
imgElement.src = "images/expandall.png";
}
}
</script>
<style>
.details {
font-family: courier;
background-color: #EEEEEE;
border: 1px dashed #BBBBBB;
padding-left: 10px;
margin-left: 20px;
margin-top: 5px;
</style>
<?php
}
$componentBaseDir = KUNENA_ROOT_PATH_ADMIN .DS. 'components/';
$this->_upgradeDir = $componentBaseDir . $this->component .DS . $this->subdir;
//get current version, check if version table exists
$createVersionTable = 1;
$upgrade=null;
// Legacy enabler
// Versions prior to 1.0.5 did not came with a version table inside the database
// this would make the installer believe this is a fresh install. We need to perform
// a 'manual' check if this is going to be an upgrade and if so create that table
// and write a dummy version entry to force an upgrade.
$kunena_db =& JFactory::getDBO();
$kunena_db->setQuery( "SHOW TABLES LIKE ".$kunena_db->quote($kunena_db->getPrefix().'fb_messages') );
$kunena_db->query();
check_dberror("Unable to search for messages table.");
if($kunena_db->getNumRows()) {
// fb tables exist, now lets see if we have a version table
$kunena_db->setQuery( "SHOW TABLES LIKE ".$kunena_db->quote($this->versionTable) );
$createVersionTable = $kunena_db->loadResult();
$createVersionTable = empty($createVersionTable);
check_dberror("Unable to search for version table.");
if($createVersionTable) {
//version table does not exist - this is a pre 1.0.5 install - lets create
$this->createVersionTable();
// insert dummy version entry to force upgrade
$this->insertDummyVersion();
$createVersionTable = 0;
}
}
if(!$createVersionTable) {
// lets see if we need to update the version table layout from it original
$currentVersion = $this->getLatestVersion($this->versionTable);
if(!is_object($currentVersion))
{
// version table exisits, but we cannot retrieve the latest version
// in this case we assume the table layout might have changed
// backup old table and create new version table
$this->backupVersionTable();
$this->dropVersionTable();
$this->createVersionTable();
// insert dummy version info to start with
$this->insertDummyVersion();
}
//check for latest version and date entry
$currentVersion = $this->getLatestVersion($this->versionTable);
if(!$currentVersion->version && !$currentVersion->versiondate) {
//there was an error in retrieving the version and date, goto install mode
$upgrade = 0;
} else {
//OK, no error, there is a version table and it also contains version and date information, switching to upgrade mode
$upgrade = 1;
}
}
//Create version table
if($createVersionTable == 1)
{
if (!$this->createVersionTable())
{
$this->_error = "DB function failed with error number <b>" . $kunena_db->_errorNum . "</b><br/>";
$this->_error .= $kunena_db->getErrorMsg();
$img = "publish_x.png";
$this->_return = false;
} else
{
$img = "tick.png";
}
if(!$this->silent) {
?>
<table class="adminlist">
<tr>
<td>Creating version table</td>
<td width="20"><a href="#" onMouseOver="return overlib('<?php echo $this->_error?>', BELOW, RIGHT,WIDTH,300);" onmouseout="return nd();" ><img src="images/<?php echo $img;?>" border="0"></a></td>
</tr>
</table>
<?php
}
}
//initiate XML doc
$xmlDoc = new DOMIT_Lite_Document();
$xmlDoc->loadXML( $this->_upgradeDir .DS. $this->xmlFileName, false, true );
//load root element and check XML version (for future use)
$root = &$xmlDoc->documentElement;
$comUpgradeVersion = $root->getAttribute( "version" );
//here comes the real stuff
if($upgrade == 0) {
$installElement =& $root->firstChild;
$version = $installElement->getAttribute( "version" );
$versiondate = $installElement->getAttribute( "versiondate" );
$build = $installElement->getAttribute( "build" );
$versionname = $installElement->getAttribute( "versionname" );
if(!$this->silent)
{
?>
<div id="overDiv" style="position:absolute; visibility:hidden; z-index:10000;"></div>
<script type="text/javascript" src="<?php echo JURI::root();?>/includes/js/overlib_mini.js"></script>
<table class="adminlist">
<tr>
<th colspan="2">Installing "<?php echo $this->component?>" (Version: <?php echo $version;?> / Date: <?php echo $versiondate;?> / Build: <?php echo $build;?> / VersionName: <?php echo $versionname;?> )</th>
</tr>
<?php
}
//install mode, run install queries
$installElement = $root->getElementsByPath('install', 1);
if (!is_null($installElement)) {
$this->processNode($installElement,1);
}
if(!$this->silent) {
?>
</table>
<?php
}
//Store version info and date in database
$this->insertVersionData( $version, $versiondate, $build, $versionname);
} else {
if(!$this->silent) {
?>
<div id="overDiv" style="position:absolute; visibility:hidden; z-index:10000;"></div>
<script type="text/javascript" src="<?php echo JURI::root();?>/includes/js/overlib_mini.js"></script>
<table class="adminlist">
<tr>
<th colspan="2">Upgrading "<?php echo $this->component?>" (Version: <?php echo @$currentVersion->version; ?> / Version Date: <?php echo @$currentVersion->versiondate;?> / Install Date: <?php echo @$currentVersion->installdate;?> / Build: <?php echo @$currentVersion->build;?> / Version Name: <?php echo @$currentVersion->versionname;?>)</th>
</tr>
<?php
}
//upgrade mode
$upgradeElement = $root->getElementsByPath('upgrade', 1);
if (!is_null($upgradeElement)) {
//walk through the versions
$numChildrenMain =& $upgradeElement->childCount;
$childNodesMain =& $upgradeElement->childNodes;
for($k = 0; $k < $numChildrenMain; $k++) {
$versionElement =& $childNodesMain[$k];
$version = $versionElement->getAttribute( "version" );
$versiondate = $versionElement->getAttribute( "versiondate" );
$build = $versionElement->getAttribute( "build" );
$versionname = $versionElement->getAttribute( "versionname" );
//when legacy version exists, just compare version, if date exists as well, compare date
if(($currentVersion->versiondate && $versiondate > $currentVersion->versiondate) OR (version_compare($version, $currentVersion->version, '>')) OR (version_compare($version, $currentVersion->version, '==') && $build > $currentVersion->build)) {
//these instructions are for a newer version than the currently installed version
if(!$this->silent) {
?>
<tr>
<td colspan="2"> </td>
</tr>
<tr>
<th colspan="2">Version: <?php echo $version;?> (Version Date: <?php echo $versiondate;?>, Build: <?php echo $build;?>, Version Name: <?php echo $versionname;?>)</th>
</tr>
<?php
}
//Store version info and date in database
$this->insertVersionData( $version, $versiondate, $build, $versionname);
$added_version=1;
$this->processNode($versionElement,$k);
} //end if version newer check
} //end version element loop
if (!isset($added_version)) $this->insertVersionData( $version, $versiondate, $build, $versionname);
} //end if !is_null($upgradeElement)
if(!$this->silent) {
?>
</table>
<?php
}
} //end main if upgrade or not
return $this->_return;
} //end doUpgrade function
/**
* Processes "phpfile", "query" and "phpcode" child-nodes of the node provided
*/
function processNode(&$startNode,$batch = 0) {
$numChildren =& $startNode->childCount;
$childNodes =& $startNode->childNodes;
for($i = 0; $i < $numChildren; $i++) {
$currentNode =& $childNodes[$i];
$nodeName =& $currentNode->nodeName;
$nodemode = strtolower($currentNode->getAttribute( "mode" ));
switch($nodeName) {
case "phpfile":
//include file
$fileName = $currentNode->getAttribute( "name" );
$include = $this->_upgradeDir .DS . $fileName;
$fileCheck = file_exists($include);
if($fileCheck) {
ob_start();
require( $include );
$img = "tick.png";
$this->_error = ob_get_contents();
ob_end_clean();
}
else {
$this->_error = "<font color=\"red\">File not found!</font>";
}
if (!$fileCheck || $this->_error) {
$img = "publish_x.png";
$this->_return = false;
}
if(!$this->silent) {
?>
<tr>
<td>
<div id="id<?php echo $i;?>_<?php echo $batch;?>" onClick="javascript:showDetail(this);" style="cursor:pointer;">
<img id="id<?php echo $i;?>_<?php echo $batch;?>_img" src="images/expandall.png" border="0">
Including file
</div>
<div id="id<?php echo $i;?>_<?php echo $batch;?>_details" style="display:None;" class="details"><?php echo $this->_error;?><pre><?php echo $include;?></pre></div>
</td>
<td width="20" valign="top"><img src="images/<?php echo $img;?>"></td>
</tr>
<?php
}
break;
case "query":
$query = $currentNode->getText();
$kunena_db =& JFactory::getDBO();
$kunena_db->setQuery($query);
$kunena_db->query();
if ($kunena_db->getErrorNum() != 0)
{
$this->_error = "DB function failed with error number ".$kunena_db->getErrorNum()."<br /><font color=\"red\">";
$this->_error .= $kunena_db->stderr(true);
$this->_error .= "</font>";
$img = "publish_x.png";
$this->_return = false;
}
else
{
$this->_error = "";
$img = "tick.png";
}
$kunena_db->setQuery($currentNode->getText());
if(!$this->silent)
{
if (!($nodemode=='silenterror' AND $this->_error != ""))
{
?>
<tr>
<td>
<div id="id<?php echo $i;?>_<?php echo $batch;?>" onClick="javascript:showDetail(this);" style="cursor:pointer;">
<img id="id<?php echo $i;?>_<?php echo $batch;?>_img" src="images/expandall.png" border="0">
Running SQL Query
</div>
<div id="id<?php echo $i;?>_<?php echo $batch;?>_details" style="display:None;" class="details"><?php echo $this->_error;?><pre><?php echo $kunena_db->_sql;?></pre></div>
</td>
<td width="20" valign="top"><img src="images/<?php echo $img;?>" border="0"></td>
</tr>
<?php
}
}
break;
case "phpcode":
$code = $currentNode->getText();
ini_set ("track_errors", 1);
if(@eval($code) === FALSE) {
$img = "publish_x.png";
$this->_error = "<font color=\"red\">".$php_errormsg."</font><br /><br />";
} else {
$img = "tick.png";
$this->_error = "";
}
if(!$this->silent) {
?>
<tr>
<td>
<div id="id<?php echo $i;?>_<?php echo $batch;?>" onClick="javascript:showDetail(this);" style="cursor:pointer;">
<img id="id<?php echo $i;?>_<?php echo $batch;?>_img" src="images/expandall.png" border="0">
Executing PHP Code
</div>
<div id="id<?php echo $i;?>_<?php echo $batch;?>_details" style="display:None;" class="details"><?php echo $this->_error;?><?php highlight_string( "<?php\n".$code."\n?>" );?></div>
</td>
<td width="20" valign="top"><img src="images/<?php echo $img;?>" border="0"></td>
</tr>
<?php
}
break;
} //end switch()
} //end children loop
}
};
?>
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