AdminVersionPage.php
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<?php
/*
* $Id:$
*
* KnowledgeTree Open Source Edition
* Document Management Made Simple
* Copyright (C) 2004 - 2008 The Jam Warehouse Software (Pty) Limited
*
* 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 The Jam Warehouse Software (Pty) Limited, Unit 1, Tramber Place,
* Blake Street, Observatory, 7925 South Africa. 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): ______________________________________
*
*/
require_once(KT_LIB_DIR . "/plugins/plugin.inc.php");
require_once(KT_LIB_DIR . "/plugins/pluginregistry.inc.php");
require_once(KT_LIB_DIR . "/dashboard/dashlet.inc.php");
define('KT_VERSION_URL', 'http://version.knowledgetree.com/kt_versions');
class AdminVersionPage extends KTStandardDispatcher {
function _checkCache() {
global $default;
$iLastCheck = KTUtil::getSystemSetting('ktadminversion_lastcheck');
if (empty($iLastCheck)) {
return;
}
$sLastValue = KTUtil::getSystemSetting('ktadminversion_lastvalue');
if (empty($sLastValue)) {
$now = time();
$diff = $now - $iLastCheck;
if ($diff > (24*60*60)) {
return;
}
}
$now = time();
$diff = $now - $iLastCheck;
if ($diff > (24*60*60)) {
return;
}
return $sLastValue;
}
function do_main() {
session_write_close();
$sCache = $this->_checkCache();
if (!is_null($sCache)) {
$sCachedVersion = $sCache;
$sVName = "";
$sVNum = "";
$sTrimmer = str_replace('{', '', str_replace('}', '', str_replace('\'', '', $sCachedVersion)));
$aCachedVersionsTemp = explode(',',$sTrimmer);
for($i=0;$i<count($aCachedVersionsTemp);$i++){
$aCachedVersionsTemp[$i] = explode(':', $aCachedVersionsTemp[$i]);
}
for($i=0;$i<count($aCachedVersionsTemp);$i++){
$key = trim($aCachedVersionsTemp[$i][0]);
$value = trim($aCachedVersionsTemp[$i][1]);
$aCachedVersions[$key] = $value;
}
$aVersions = KTUtil::getKTVersions();
/*
echo "<pre>";
print_r($aCachedVersions);
echo "</pre>";
echo "<pre>";
print_r($aVersions);
echo "</pre>";
exit;
*/
foreach ($aVersions as $k => $v) {
foreach($aCachedVersions as $j => $l) {
if (($k == $j) && (version_compare($aVersions[$k], $aCachedVersions[$j]) == -1))
{
//save new name and version
$sVName = $j;
$sVNum = $l;
}
}//end foreach
}//end foreach
if ($sVName != "")
{
return "<div id=\"AdminVersion\"><a href=\"http://www.knowledgetree.com/products/whats-new\" target=\"_blank\">".$sVName." version ".$sVNum."</a></div><br>";
}
else
{
return "";
}
}
$sUrl = KT_VERSION_URL;
$aVersions = KTUtil::getKTVersions();
foreach ($aVersions as $k => $v) {
$sUrl .= '?' . sprintf("%s=%s", $k, $v);
}
$sIdentifier = KTUtil::getSystemIdentifier();
$sUrl .= '&' . sprintf("system_identifier=%s", $sIdentifier);
if (!function_exists('curl_init')) {
if (OS_WINDOWS) {
return "";
}
$stuff = @file_get_contents($sUrl);
if ($stuff === false) {
$stuff = "";
}
} else {
$ch = @curl_init($sUrl);
if (!$ch) {
return "";
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
$stuff = curl_exec($ch);
curl_close($ch);
if (!$stuff) {
$stuff = "";
}
}
KTUtil::setSystemSetting('ktadminversion_lastcheck', time());
KTUtil::setSystemSetting('ktadminversion_lastvalue', (string)$stuff);
$sVName = "";
$sVNum = "";
$trim_stuff = str_replace('{', '', str_replace('}', '', str_replace('\'', '', $stuff)));
$aRemoteVersionstemp = explode(',',$trim_stuff);
for($i=0;$i<count($aRemoteVersionstemp);$i++){
$aRemoteVersionstemp[$i] = explode(':', $aRemoteVersionstemp[$i]);
}
for($i=0;$i<count($aRemoteVersionstemp);$i++){
$key = trim($aRemoteVersionstemp[$i][0]);
$value = trim($aRemoteVersionstemp[$i][1]);
$aRemoteVersions[$key] = $value;
}
/*
echo "<pre>";
print_r($aRemoteVersions);
echo "</pre>";
echo "<pre>";
print_r($aVersions);
echo "</pre>";
exit;
*/
foreach ($aVersions as $k => $v) {
foreach($aRemoteVersions as $j => $l) {
if (($k == $j) && (version_compare($aVersions[$k], $aRemoteVersions[$j]) == -1))
{
//save new name and version
$sVName = $j;
$sVNum = $l;
}
}
}
if ($sVName != "")
{
return "<div id=\"AdminVersion\"><a href=\"http://www.knowledgetree.com/products/whats-new\" target=\"_blank\">".$sVName." version ".$sVNum."</a></div><br>";
}
else
{
return "";
}
}
function handleOutput($sOutput) {
print $sOutput;
}
}
?>