From b0e10d15b5c5dba7927be2bf5f180183bfdcf79f Mon Sep 17 00:00:00 2001
From: Fabian Jakobs <fabian@c9.io>
Date: Wed, 14 Oct 2015 14:53:53 +0000
Subject: [PATCH] secure redirect

---
 node_modules/c9/string.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/node_modules/c9/string.js b/node_modules/c9/string.js
index 5e3714ce..2a28f65c 100644
--- a/node_modules/c9/string.js
+++ b/node_modules/c9/string.js
@@ -43,5 +43,14 @@ exports.repeat = function(str, times) {
 exports.count = function(str, substr){
     return str.split(substr).length - 1;
 };
+
+exports.endsWith = function(subjectString, searchString, position) {
+    if (typeof position !== 'number' || !isFinite(position) || Math.floor(position) !== position || position > subjectString.length) {
+        position = subjectString.length;
+    }
+    position -= searchString.length;
+    var lastIndex = subjectString.indexOf(searchString, position);
+    return lastIndex !== -1 && lastIndex === position;
+};
  
 });
\ No newline at end of file