From c43d73c6b63693d9dd72cd91a4934a8fc78f0ca4 Mon Sep 17 00:00:00 2001
From: Diep Pham <me@favadi.com>
Date: Mon, 5 Feb 2024 19:47:28 +0700
Subject: [PATCH] Fix wrong target origin warning when certain browser
 extensions are installed

---
 app/views/account/rpiframe.html.erb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/views/account/rpiframe.html.erb b/app/views/account/rpiframe.html.erb
index 5ecd9e0..9df36ea 100644
--- a/app/views/account/rpiframe.html.erb
+++ b/app/views/account/rpiframe.html.erb
@@ -21,6 +21,11 @@
 
     window.addEventListener("message", receiveMessage, false);
     function receiveMessage(e) {
+      // other scripts might use postMessage method, filter out events
+      // not originated from opiframe.
+      var opiframe = window.parent.document.getElementById("opiframe").contentWindow;
+      if (e.source !== opiframe) { return };
+
       if (e.origin !== target_origin) { return alert('Wrong target origin: ' + target_origin); }
       stat = e.data;