diff --git a/src/libpoketube/ptutils/ie-blocker.js b/src/libpoketube/ptutils/ie-blocker.js
new file mode 100644
index 00000000..e98e9d89
--- /dev/null
+++ b/src/libpoketube/ptutils/ie-blocker.js
@@ -0,0 +1,52 @@
+// ie-blocker.js
+function isIE(ua) {
+ if (!ua) return false;
+ // Matches old IE (MSIE) and IE 11 (Trident with rv)
+ return /MSIE \d|Trident\/.*rv:\d+/i.test(ua);
+}
+
+function ieBlockHtml() {
+ return (
+ '' +
+ '' +
+ '' +
+ ' ' +
+ ' ' +
+ ' ' +
+ ' Browser is not supported :p' +
+ ' ' +
+ '' +
+ '' +
+ ' Heyo :3
' +
+ ' hoi — poke does and will not work on Internet Explorer :p
' +
+ ' if u wanna use poke try using Firefox (firefox.com) or Chromium :3
' +
+ ' love u :3
' +
+ '' +
+ ''
+ );
+}
+
+// Global middleware that blocks IE everywhere.
+
+function ieBlockMiddleware(req, res, next) {
+ const ua = req.get('user-agent') || (req.useragent && req.useragent.source) || '';
+ if (isIE(ua)) {
+ // Send ONLY the minimal page; no templates, no extras.
+ res
+ .status(200)
+ .type('html')
+ .set('Cache-Control', 'no-store, max-age=0')
+ .send(ieBlockHtml());
+ return;
+ }
+ next();
+}
+
+module.exports = { isIE, ieBlockMiddleware, ieBlockHtml };