Index: upload_formatter.php
===================================================================
--- upload_formatter.php	(revision 14590)
+++ upload_formatter.php	(working copy)
@@ -41,9 +41,10 @@
 	 * @param mixed $value
 	 * @param string $field_name
 	 * @param kDBItem $object
-	 * @return string
+	 * @return mixed
+	 * @access public
 	 */
-	function Parse($value, $field_name, &$object)
+	public function Parse($value, $field_name, &$object)
 	{
 		$ret = !is_array($value) ? $value : '';
 		$options = $object->GetFieldOptions($field_name);
@@ -123,8 +124,17 @@
 			if (is_array($value) && $value['error'] === UPLOAD_ERR_OK) {
 				$max_filesize = isset($options['max_size']) ? $options['max_size'] : MAX_UPLOAD_SIZE;
 
-				if (getArrayValue($options, 'allowed_types') && !in_array($value['type'], $options['allowed_types'])) {
+				if ( getArrayValue($options, 'file_types') && !$this->extensionMatch($value['name'], $options['file_types']) ) {
+					// match by file extensions
 					$error_params = Array (
+						'file_name' => $value['name'],
+						'file_types' => $options['file_types'],
+					);
+					$object->SetError($field_name, 'bad_file_format', 'la_error_InvalidFileFormat', $error_params);
+				}
+				elseif (getArrayValue($options, 'allowed_types') && !in_array($value['type'], $options['allowed_types'])) {
+					// match by mime type provided by web-browser
+					$error_params = Array (
 						'file_type' => $value['type'],
 						'allowed_types' => $options['allowed_types'],
 					);
@@ -175,6 +185,26 @@
 		return $ret;
 	}
 
+	/**
+	 * Checks, that given file name has on of provided file extensions
+	 *
+	 * @param string $filename
+	 * @param string $file_types
+	 * @return bool
+	 * @access protected
+	 */
+	protected function extensionMatch($filename, $file_types)
+	{
+		if ( preg_match_all('/\*\.(.*?)(;|$)/', $file_types, $regs) ) {
+			$file_extension = mb_strtolower( pathinfo($filename, PATHINFO_EXTENSION) );
+			$file_extensions = array_map('mb_strtolower', $regs[1]);
+
+			return in_array($file_extension, $file_extensions);
+		}
+
+		return true;
+	}
+
 	function getSingleFormat($format)
 	{
 		$single_mapping = Array (
@@ -194,7 +224,7 @@
 	 *
 	 * @param string $value
 	 * @param string $field_name
-	 * @param kDBItem $object
+	 * @param kDBItem|kDBList $object
 	 * @param string $format
 	 * @return string
 	 */