From ab3980cd38575f310730c5871f25589d060ba0b3 Mon Sep 17 00:00:00 2001
From: Omar Roth <omarroth@protonmail.com>
Date: Fri, 7 Jun 2019 11:28:58 -0500
Subject: [PATCH] Enforce maximum email length

---
 src/invidious.cr | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/invidious.cr b/src/invidious.cr
index c60e5537..1882c4ff 100644
--- a/src/invidious.cr
+++ b/src/invidious.cr
@@ -897,7 +897,8 @@ post "/login" do |env|
     next templated "error"
   end
 
-  email = env.params.body["email"]?.try &.downcase
+  # https://stackoverflow.com/a/574698
+  email = env.params.body["email"]?.try &.downcase.byte_slice(0, 254)
   password = env.params.body["password"]?
 
   account_type = env.params.query["type"]?