From e1bc855da6b25a9c80465faf3bd99d017cb27fbe Mon Sep 17 00:00:00 2001
From: Finn Bacall <finn.bacall@manchester.ac.uk>
Date: Mon, 2 Nov 2026 10:19:33 +0000
Subject: [PATCH] Reload the page in the event of a Cloudflare challenge

It doesn't work with turbolinks
---
 app/assets/javascripts/application.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 28b2b1b5a..a2bf7f960 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -418,4 +418,12 @@ document.addEventListener('turbolinks:load', function () {
       logoImg?.classList.remove('scrolled');
     }
   });
-});
\ No newline at end of file
+});
+
+document.addEventListener('turbolinks:request-end', (event) => {
+    const xhr = event.data.xhr
+    if (xhr.getResponseHeader('cf-mitigated') === 'challenge') {
+        // Do a real navigation so the challenge page loads with its own headers
+        window.location.href = xhr.responseURL || window.location.href
+    }
+});