From 1dcbc7ebfcd82667240bfad44d5be158757350e0 Mon Sep 17 00:00:00 2001
From: hackademix
Date: Sat, 17 Nov 2018 22:56:30 +0100
Subject: Fixed meta refresh inside <NOSCRIPT> emulation breaking Firefox's
 built-in refresh blocking.

---
 src/content/onScriptDisabled.js | 31 +++++++++++++------------------
 1 file changed, 13 insertions(+), 18 deletions(-)

(limited to 'src/content/onScriptDisabled.js')

diff --git a/src/content/onScriptDisabled.js b/src/content/onScriptDisabled.js
index 3606ede..c0d5899 100644
--- a/src/content/onScriptDisabled.js
+++ b/src/content/onScriptDisabled.js
@@ -1,31 +1,26 @@
 function onScriptDisabled() {
+  let refresh = false;
   for (let noscript of document.querySelectorAll("noscript")) {
     // force show NOSCRIPT elements content
     let replacement = createHTMLElement("span");
     replacement.innerHTML = noscript.innerHTML;
     noscript.parentNode.replaceChild(replacement, noscript);
     // emulate meta-refresh
-    let meta = replacement.querySelector('meta[http-equiv="refresh"]');
+    let meta =  replacement.querySelector('meta[http-equiv="refresh"]');
     if (meta) {
-      let content = meta.getAttribute("content");
-      if (content) {
-        let [secs, url] = content.split(/\s*;\s*url\s*=\s*/i);
-        let urlObj;
-        if (url) {
-          try {
-            urlObj = new URL(url.replace(/^(['"]?)(.+?)\1$/, '$2'), document.URL);
-            if (!/^https?:/.test(urlObj.protocol)) {
-              continue;
-            }
-          } catch (e) {
-            continue;
-          }
-          window.setTimeout(() => location.href = urlObj, (parseInt(secs) || 0) * 1000);
-        }
-      }
+      refresh = true;
+      document.head.appendChild(meta);
     }
   }
-
+  if (refresh) {
+    let html = document.documentElement.outerHTML;
+    window.addEventListener("load", e => {
+      let document = window.wrappedJSObject.document;
+      document.open();
+      document.write(html);
+      document.close();
+    });
+  }
   {
     let eraser = {
       tapped: null,
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