From e298c3d10c9254b0677eb1f9618ca395b5e9ecc1 Mon Sep 17 00:00:00 2001
From: Haocen Xu <admin@haocen.me>
Date: Sat, 30 May 2020 05:57:27 -0400
Subject: [PATCH] Reload page when back button in browser pressed, avoid
 reading burn after read paste from cache

---
 js/privatebin.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/js/privatebin.js b/js/privatebin.js
index d80ae752..98d9c9a4 100644
--- a/js/privatebin.js
+++ b/js/privatebin.js
@@ -5386,6 +5386,10 @@ jQuery.PrivateBin = (function($, RawDeflate) {
             if (Model.hasDeleteToken()) {
                 return;
             }
+            // always reload on back button to invalidate cache(protect burn after read paste)
+            window.addEventListener('popstate', () => {
+                window.location.reload();
+            });
 
             // display an existing paste
             return me.showPaste();