From e0714405a3b0cb34fd8236665a99f9e58164d8ad Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Tue, 15 May 2018 14:00:38 +0200
Subject: [PATCH] Drop invisible characters from downloads filename.

---
 toolkit/content/contentAreaUtils.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/toolkit/content/contentAreaUtils.js b/toolkit/content/contentAreaUtils.js
index 2b7af30dec..736fb7dfc5 100644
--- a/toolkit/content/contentAreaUtils.js
+++ b/toolkit/content/contentAreaUtils.js
@@ -1108,6 +1108,7 @@ function getDefaultFileName(aDefaultFileName, aURI, aDocument,
 
 function validateFileName(aFileName)
 {
+  aFileName = aFileName.replace(/[\u200e\u200f\u202a-\u202e]/g, "");
   var re = /[\/]+/g;
   if (navigator.appVersion.indexOf("Windows") != -1) {
     re = /[\\\/\|]+/g;