function step4()
{
$clang = $this->getController()->lang;
$buildnumber = Yii::app()->getConfig("buildnumber");
$tempdir = Yii::app()->getConfig("tempdir");
$updatebuild = getGlobalSetting("updatebuild");
$rootdir = Yii::app()->getConfig("rootdir");
$publicdir = Yii::app()->getConfig("publicdir");
$tempdir = Yii::app()->getConfig("tempdir");
$aDatabasetype = Yii::app()->db->getDriverName();
// Request the list with changed files from the server
$aData = array();
if (!isset(Yii::app()->session['updateinfo'])) {
if ($updateinfo['error'] == 1) {
}
} else {
$updateinfo = Yii::app()->session['updateinfo'];
}
// this is the last step - Download the zip file, unpack it and replace files accordingly
// Create DB and file backups now
$downloaderror = false;
Yii::import('application.libraries.admin.http.httpRequestIt');
$http = new httpRequestIt();
$http->proxy_host_name = Yii::app()->getConfig("proxy_host_name", "");
$http->proxy_host_port = Yii::app()->getConfig("proxy_host_port", 80);
// 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)";
$http->GetRequestArguments($this->getProtocol() . "update.limesurvey.org/updates/download/{$updateinfo['downloadid']}", $arguments);
$http->RestoreCookies(Yii::app()->session['updatesession']);
$error = $http->Open($arguments);
$error = $http->SendRequest($arguments);
$http->ReadReplyHeaders($headers);
if ($headers['content-type'] == 'text/html') {
@unlink($tempdir . '/update.zip');
} else {
if ($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 unzip the new files over the existing ones.
$new_files = false;
if (file_exists($tempdir . '/update.zip')) {
Yii::app()->loadLibrary("admin/pclzip");
$archive = new PclZip($tempdir . '/update.zip');
if ($archive->extract(PCLZIP_OPT_PATH, $rootdir . '/', PCLZIP_OPT_REPLACE_NEWER) == 0) {
die("Error : " . $archive->errorInfo(true));
} else {
$new_files = true;
unlink($tempdir . '/update.zip');
}
} else {
$downloaderror = true;
}
// Now remove all files that are to be deleted according to update process
// This happens after unzipping
foreach ($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']);
}
}
}
$aData['new_files'] = $new_files;
$aData['downloaderror'] = $downloaderror;
// PclTraceDisplay();
// Now we have to update version.php
if (!$downloaderror) {
@ini_set('auto_detect_line_endings', true);
$versionlines = file($rootdir . '/application/config/version.php');
$handle = fopen($rootdir . '/application/config/version.php', "w");
foreach ($versionlines as $line) {
if (strpos($line, 'buildnumber') !== false) {
$line = '$config[\'buildnumber\'] = ' . Yii::app()->session['updateinfo']['toversion'] . ';' . "\r\n";
}
fwrite($handle, $line);
}
fclose($handle);
}
setGlobalSetting('updateavailable', '0');
setGlobalSetting('updatebuild', '');
setGlobalSetting('updateversions', '');
// We redirect here because the files might have been overwritten earlier
// and classes may have been changed that would be needed in the view
Yii::app()->session['installlstep4b'] = $aData;
Yii::app()->getController()->redirect(array('/admin/update/sa/step4b'));
}
