From d2d5de55c158f52c8bc71fc5f2db055c3b86e66c Mon Sep 17 00:00:00 2001
From: Omar Roth <omarroth@hotmail.com>
Date: Mon, 6 Aug 2018 19:51:37 -0500
Subject: [PATCH] Fix infinite redirect for 'subscription_ajax'

---
 src/invidious.cr | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/invidious.cr b/src/invidious.cr
index defd3254..8a3b8ae3 100644
--- a/src/invidious.cr
+++ b/src/invidious.cr
@@ -1051,7 +1051,10 @@ end
 get "/subscription_ajax" do |env|
   user = env.get? "user"
   referer = env.request.headers["referer"]?
-  referer ||= "/"
+
+  if !referer || URI.parse(referer).path.try &.== "/subscription_ajax"
+    referer = "/"
+  end
 
   if user
     user = user.as(User)