upgradeWizard.php
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<?php
/**
* Upgrader Index.
*
* KnowledgeTree Community Edition
* Document Management Made Simple
* Copyright (C) 2008, 2009, 2010 KnowledgeTree Inc.
*
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
* California 94120-7775, or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*/
/**
*
* @copyright 2008-2010, KnowledgeTree Inc.
* @license GNU General Public License version 3
* @author KnowledgeTree Team
* @package Upgrader
* @version Version 0.1
*/
require_once("../wizard/share/wizardBase.php");
class UpgradeWizard extends WizardBase {
/**
* Constructs upgradeation wizard object
*
* @author KnowledgeTree Team
* @access public
*/
public function __construct(){}
/**
* Display the wizard
*
* @author KnowledgeTree Team
* @access private
* @param string
* @return void
*/
public function display($response = null) {
if($response) {
$ins = new Upgrader(); // Instantiate the upgrader
$ins->resolveErrors($response); // Run step
} else {
$ins = new Upgrader(new session()); // Instantiate the upgrader and pass the session class
$ins->step(); // Run step
}
}
/**
* Remove upgrade file
*
* @author KnowledgeTree Team
* @access private
* @param none
* @return void
*/
private function removeUpgradeFile() {
unlink(SYSTEM_DIR.'var'.DS.'bin'.DS."upgrade.lock");
}
/**
* Load default values
*
* @author KnowledgeTree Team
* @access private
* @param none
* @return void
*/
function load() {
$this->setIUtil(new UpgradeUtil());
}
/**
* Run pre-upgradeation system checks
*
* @author KnowledgeTree Team
* @access public
* @param none
* @return mixed
*/
public function systemChecks() {
$res = $this->util->checkStructurePermissions();
if($res === true) return $res;
switch ($res) {
case "wizard":
$this->util->error("Upgrader directory is not writable (KT_Installation_Directory/setup/upgrade/)");
return 'Upgrader directory is not writable (KT_Installation_Directory/setup/upgrade/)';
break;
case "/":
$this->util->error("System root is not writable (KT_Installation_Directory/)");
return "System root is not writable (KT_Installation_Directory/)";
break;
default:
return true;
break;
}
return $res;
}
/**
* Control all requests to wizard
*
* @author KnowledgeTree Team
* @access public
* @param none
* @return void
*/
public function dispatch() {
$this->load();
$response = $this->systemChecks();
if($this->util->installationSpecified()) { // Check if the migrator needs to be accessed
$this->util->redirect('../wizard/index.php?step_name=install_type');
} elseif ($this->util->finishInstall()) { // Check if the installer has completed
$this->util->redirect('../../login.php');
}
if($response === true) {
$this->display();
} else {
exit();
}
}
}
$ic = new UpgradeWizard();
$ic->dispatch();
?>