Index: branches/5.2.x/core/install.php
===================================================================
diff -u -N -r14574 -r14585
--- branches/5.2.x/core/install.php	(.../install.php)	(revision 14574)
+++ branches/5.2.x/core/install.php	(.../install.php)	(revision 14585)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: install.php 14574 2011-09-20 16:37:03Z alex $
+* @version	$Id: install.php 14585 2011-09-24 12:04:17Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -99,6 +99,7 @@
 		 */
 		var $writeableFolders = Array (
 			'$1',
+			'$1/.restricted',
 			'$1/images',
 			'$1/images/pending',
 			'$1/images/emoticons', // for "In-Bulletin"
@@ -168,12 +169,17 @@
 				$this->writeableFolders[] = $this->toolkit->defaultWritablePath . '/config.php';
 			}
 
-			if (!$this->toolkit->getSystemConfig('Misc', 'WriteablePath')) {
+			if ( !$this->toolkit->getSystemConfig('Misc', 'WriteablePath') ) {
 				// set global writable folder when such setting is missing
 				$this->toolkit->setSystemConfig('Misc', 'WriteablePath', $this->toolkit->defaultWritablePath);
 				$this->toolkit->SaveConfig(true); // immediately save, because this path will be used in Application later
 			}
 
+			if ( !$this->toolkit->getSystemConfig('Misc', 'RestrictedPath') ) {
+				$this->toolkit->setSystemConfig('Misc', 'RestrictedPath', $this->toolkit->getSystemConfig('Misc', 'WriteablePath') . DIRECTORY_SEPARATOR . '.restricted');
+				$this->toolkit->SaveConfig(true);
+			}
+
 			$this->currentStep = $this->GetVar('step');
 
 			// can't check login on steps where no application present anyways :)
@@ -369,7 +375,10 @@
 							$curl_helper->SetRequestData($url_params);
 							$file_data = $curl_helper->Send(GET_LICENSE_URL);
 
-							if (substr($file_data, 0, 5) == 'Error') {
+							if ( !$curl_helper->isGoodResponceCode() ) {
+								$this->errorMessage = 'In-Portal servers temporarily unavailable. Please contact <a href="mailto:support@in-portal.com">In-Portal support</a> personnel directly.';
+							}
+							elseif (substr($file_data, 0, 5) == 'Error') {
 								$this->errorMessage = substr($file_data, 6) . ' If you don\'t know your username or password, contact Intechnic Support';
 							}
 
@@ -1074,7 +1083,7 @@
 
 					// don't upgrade same version twice
 					$start_pos = $match[0][1] + strlen($match[0][0]);
-					$end_pos = array_key_exists($index + 1, $matches) ? $matches[$index + 1][0][1] : mb_strlen($sqls);
+					$end_pos = array_key_exists($index + 1, $matches) ? $matches[$index + 1][0][1] : strlen($sqls);
 					$version_sqls = substr($sqls, $start_pos, $end_pos - $start_pos);
 
 					if ($start_from_query == 0) {