Added functionality which prevents direct access to the plugin folder

Author: Eugene Manuilov

index.php

@@ -31,6 +31,12 @@
 // | Author: Eugene Manuilov <[email protected]>                        |
 // +----------------------------------------------------------------------+
 
+// prevent direct access to the plugin folder
+if ( !defined( 'ABSPATH' ) ) {
+	header( 'HTTP/1.0 404 Not Found', true, 404 );
+	exit;
+}
+
 // don't load the plugin, if it has been already loaded
 if ( class_exists( 'Visualizer_Plugin', false ) ) {
    return;

readme.txt

@@ -60,6 +60,7 @@ Pay attention that to turn your shortcodes into graphs, your theme has to have `
 
 = 1.4.2.1 =
 * Fixed issue with download_url function which not exists at front end
+* Added functionality which prevents direct access to the plugin folder
 
 = 1.4.2 =
 * Fixed remote CSV uploading issue when allow_url_fopen option is disabled in php.ini