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<?php
/*********************************************************************
ajax.upgrader.php
AJAX interface for Upgrader
Peter Rotich <peter@osticket.com>
Copyright (c) 2006-2012 osTicket
http://www.osticket.com
Released under the GNU General Public License WITHOUT ANY WARRANTY.
See LICENSE.TXT for details.
vim: expandtab sw=4 ts=4 sts=4:
**********************************************************************/
if(!defined('INCLUDE_DIR')) die('403');
require_once INCLUDE_DIR.'class.upgrader.php';
class UpgraderAjaxAPI extends AjaxController {
function upgrade() {
global $thisstaff, $ost;
if(!$thisstaff or !$thisstaff->isAdmin() or !$ost)
Http::response(403, 'Access Denied');
$upgrader = new Upgrader($ost->getDBSignature(), TABLE_PREFIX, PATCH_DIR);
//Just report the next action on the first call.
if(!$_SESSION['ost_upgrader'] || !$_SESSION['ost_upgrader'][$upgrader->getShash()]['progress']) {
$_SESSION['ost_upgrader'][$upgrader->getShash()]['progress'] = $upgrader->getNextAction();
Http::response(200, $upgrader->getNextAction());
exit;
}
if($upgrader->getNumPendingTasks()) {
if($upgrader->doTasks() && !$upgrader->getNumPendingTasks() && $ost->isUpgradePending()) {
//Just reporting done...with tasks - break in between patches!
header("HTTP/1.1 304 Not Modified");
exit;
}
} elseif($ost->isUpgradePending() && $upgrader->isUpgradable()) {
$version = $upgrader->getNextVersion();
if($upgrader->upgrade()) {
//We're simply reporting progress here - call back will report next action'
Http::response(200, "Upgraded to $version ... post-upgrade checks!");
exit;
}
} elseif(!$ost->isUpgradePending()) {
$upgrader->setState('done');
session_write_close();
header("HTTP/1.1 304 Not Modified");
exit;
}
if($upgrader->isAborted() || $upgrader->getErrors()) {
Http::response(416, "We have a problem ... wait a sec.");
exit;
}
Http::response(200, $upgrader->getNextAction());
}
}
?>