From 9dd674e1d20440564a3d25f33cd8785695e110f6 Mon Sep 17 00:00:00 2001
From: Remita Amine <remitamine@gmail.com>
Date: Wed, 30 Dec 2020 09:22:30 +0100
Subject: [utils] accept only supported protocols in url_or_none

---
 youtube_dl/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'youtube_dl/utils.py')

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 8cefafd79..d5fb6fd24 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -3640,7 +3640,7 @@ def url_or_none(url):
     if not url or not isinstance(url, compat_str):
         return None
     url = url.strip()
-    return url if re.match(r'^(?:[a-zA-Z][\da-zA-Z.+-]*:)?//', url) else None
+    return url if re.match(r'^(?:(?:https?|rt(?:m(?:pt?[es]?|fp)|sp[su]?)|mms|ftps?):)?//', url) else None
 
 
 def parse_duration(s):
-- 
cgit 1.4.1