Index: branches/5.2.x/core/units/helpers/curl_helper.php
===================================================================
diff -u -N -r15856 -r15939
--- branches/5.2.x/core/units/helpers/curl_helper.php	(.../curl_helper.php)	(revision 15856)
+++ branches/5.2.x/core/units/helpers/curl_helper.php	(.../curl_helper.php)	(revision 15939)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: curl_helper.php 15856 2013-07-02 14:56:00Z alex $
+* @version	$Id: curl_helper.php 15939 2013-08-16 10:45:12Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -166,6 +166,19 @@
 		}
 
 		/**
+		 * Resets information in last* properties.
+		 *
+		 * @return void
+		 */
+		protected function resetLastInfo()
+		{
+			$this->lastErrorCode = 0;
+			$this->lastErrorMsg = '';
+			$this->lastHTTPCode = 0;
+			$this->lastRedirectCount = 0;
+		}
+
+		/**
 		 * Sets CURL options (adds to options set before)
 		 *
 		 * @param Array $options_hash
@@ -190,6 +203,7 @@
 				// hardcoded options
 				CURLOPT_RETURNTRANSFER => 1,
 				CURLOPT_REFERER => PROTOCOL.SERVER_NAME,
+				CURLOPT_MAXREDIRS => 5,
 
 				// don't verify SSL certificates
 				CURLOPT_SSL_VERIFYPEER => false,
@@ -283,11 +297,13 @@
 		 * Sets request method to be used in next request
 		 *
 		 * @param int $request_method
+		 *
+		 * @throws InvalidArgumentException When invalid request method given.
 		 */
 		public function SetRequestMethod($request_method)
 		{
 			if ($request_method != self::REQUEST_METHOD_GET || $request_method != self::REQUEST_METHOD_POST) {
-				throw new Exception('Method "' . __METHOD__ . '": Invalid $request_method parameter value');
+				throw new InvalidArgumentException('Method "' . __METHOD__ . '": Invalid $request_method parameter value');
 
 				return ;
 			}
@@ -399,6 +415,7 @@
 		 */
 		protected function _sendRequest()
 		{
+			$this->resetLastInfo();
 			curl_setopt($this->connectionID, CURLOPT_RETURNTRANSFER, true);
 
 			if ( $this->followLocation ) {
@@ -434,6 +451,10 @@
 				$url = trim(array_pop($regs));
 				$url_parsed = parse_url($url);
 
+				if ( $this->lastRedirectCount == $this->options[CURLOPT_MAXREDIRS] ) {
+					return $this->setError(CURLE_TOO_MANY_REDIRECTS, 'Maximum (' . $this->options[CURLOPT_MAXREDIRS] . ') redirects followed');
+				}
+
 				if ( isset($url_parsed) ) {
 					curl_setopt($this->connectionID, CURLOPT_URL, $url);
 					$this->lastRedirectCount++;
@@ -448,6 +469,22 @@
 		}
 
 		/**
+		 * Sets error manually.
+		 *
+		 * @param integer $code    Code.
+		 * @param string  $message Message.
+		 *
+		 * @return boolean
+		 */
+		protected function setError($code, $message)
+		{
+			$this->lastErrorCode = $code;
+			$this->lastErrorMsg = $message;
+
+			return false;
+		}
+
+		/**
 		 * Returns various info about request made
 		 *
 		 * @param int $info_type
@@ -485,8 +522,12 @@
 		 */
 		public function Finalize($close_connection = true)
 		{
-			$this->lastErrorCode = curl_errno($this->connectionID);
-			$this->lastErrorMsg = curl_error($this->connectionID);
+			if ( $this->lastErrorCode == 0 ) {
+				// error not set manually -> get it from curl
+				$this->lastErrorCode = curl_errno($this->connectionID);
+				$this->lastErrorMsg = curl_error($this->connectionID);
+			}
+
 			$this->lastHTTPCode = $this->getInfo(CURLINFO_HTTP_CODE);
 
 			if ( $close_connection ) {