function UpdateStep4()
{
global $clang, $scriptname, $homedir, $buildnumber, $updatebuild, $debug, $rootdir, $publicdir, $tempdir, $database_exists, $databasetype, $action, $demoModeOnly;
echo '<div class="header ui-widget-header">'.sprintf($clang->gT('ComfortUpdate step %s'),'4').'</div><div class="updater-background"><br />';
if (!isset( $_SESSION['updateinfo']))
{
echo $clang->gT('On requesting the update information from limesurvey.org there has been an error:').'<br />';
if ($updateinfo['error']==1)
{
setGlobalSetting('updatekey','');
echo $clang->gT('Your update key is invalid and was removed. ').'<br />';
}
else
echo $clang->gT('On requesting the update information from limesurvey.org there has been an error:').'<br />';
}
else
{
$updateinfo=$_SESSION['updateinfo'];
}
// this is the last step - Download the zip file, unpack it and replace files accordingly
// Create DB and file backups now
require_once("classes/pclzip/pclzip.lib.php");
// require_once('classes/pclzip/pcltrace.lib.php');
// require_once('classes/pclzip/pclzip-trace.lib.php');
// PclTraceOn(2);
require_once($homedir."/classes/http/http.php");
$downloaderror=false;
$http=new http_class;
// Allow redirects
$http->follow_redirect=1;
/* Connection timeout */
$http->timeout=0;
/* Data transfer timeout */
$http->data_timeout=0;
$http->user_agent="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
$http->GetRequestArguments("http://update.limesurvey.org/updates/download/{$updateinfo['downloadid']}",$arguments);
$http->RestoreCookies($_SESSION['updatesession']);
$error=$http->Open($arguments);
$error=$http->SendRequest($arguments);
$http->ReadReplyHeaders($headers);
if ($headers['content-type']=='text/html')
{
@unlink($tempdir.'/update.zip');
}
elseif($error=='') {
$body='';
$pFile = fopen($tempdir.'/update.zip', 'w');
for(;;){
$error = $http->ReadReplyBody($body,100000);
if($error != "" || strlen($body)==0) break;
fwrite($pFile, $body);
}
fclose($pFile);
}
else
{
print( $error );
}
// Now remove all files that are to be deleted according to update process
foreach ($updateinfo['files'] as $afile)
{
if ($afile['type']=='D' && file_exists($rootdir.$afile['file']))
{
if (is_file($rootdir.$afile['file']))
{
unlink($rootdir.$afile['file']);
}
else{
rmdirr($rootdir.$afile['file']);
}
echo sprintf($clang->gT('File deleted: %s'),$afile['file']).'<br />';
}
}
//Now unzip the new files over the existing ones.
if (file_exists($tempdir.'/update.zip')){
$archive = new PclZip($tempdir.'/update.zip');
if ($archive->extract(PCLZIP_OPT_PATH, $rootdir.'/', PCLZIP_OPT_REPLACE_NEWER)== 0) {
die("Error : ".$archive->errorInfo(true));
}
else
{
echo $clang->gT('New files were successfully installed.').'<br />';
unlink($tempdir.'/update.zip');
}
}
else
{
echo $clang->gT('There was a problem downloading the update file. Please try to restart the update process.').'<br />';
$downloaderror=true;
}
// PclTraceDisplay();
// Now we have to update version.php
if (!$downloaderror)
{
@ini_set('auto_detect_line_endings', true);
$versionlines=file($rootdir.'/version.php');
$handle = fopen($rootdir.'/version.php', "w");
foreach ($versionlines as $line)
{
if(strpos($line,'$buildnumber')!==false)
{
$line='$buildnumber'." = '{$_SESSION['updateinfo']['toversion']}';\r\n";
}
fwrite($handle,$line);
}
fclose($handle);
echo sprintf($clang->gT('Buildnumber was successfully updated to %s.'),$_SESSION['updateinfo']['toversion']).'<br />';
echo $clang->gT('Please check any problems above - update was done.').'<br />';
}
echo "<p><button onclick=\"window.open('$scriptname?action=globalsettings&subaction=updatecheck', '_top')\" >".$clang->gT('Back to main menu')."</button></p>";
echo '</div>';
setGlobalSetting('updatelastcheck','1980-01-01 00:00');
setGlobalSetting('updateavailable','0');
}
for (;;) {
$error = $http->ReadReplyBody($body, 1000);
if ($error != "" || strlen($body) == 0) {
break;
}
}
flush();
}
}
$http->Close();
}
if (strlen($error) == 0) {
echo "<H2><LI>Test saving and restoring cookies...</LI</H2>\n";
flush();
$http->SaveCookies($site_cookies);
if (strlen($error = $http->RestoreCookies($site_cookies, 1)) == 0) {
$http->SaveCookies($saved_cookies);
if (strcmp(serialize($saved_cookies), serialize($site_cookies))) {
echo "<H2>FAILED: the saved cookies do not match the restored cookies.</H2>\n";
} else {
echo "<H2>OK: the saved cookies match the restored cookies.</H2>\n";
}
}
}
if (strlen($error)) {
echo "<CENTER><H2>Error: ", $error, "</H2><CENTER>\n";
}
?>
</UL>
<HR>
</BODY>
