From 37d0091aa165372b3a690d71ac305213c1848b02 Mon Sep 17 00:00:00 2001
From: Peter Cai <peter@typeblog.net>
Date: Sun, 17 Jan 2021 10:36:27 +0800
Subject: [PATCH] forwarder: ignore Matrix events older than 2 minutes

---
 forwarder.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/forwarder.js b/forwarder.js
index d6a8296..c556972 100644
--- a/forwarder.js
+++ b/forwarder.js
@@ -125,6 +125,11 @@ module.exports = class Forwarder {
       return; // Prevent loop
     }
 
+    if (Date.now() - event.getTs() >= 2 * 60 * 1000) {
+      // Ignore events older than 2 minutes
+      return;
+    }
+
     let content = event.getContent();
 
     if (event.getType() == "m.room.message" && this.isMatrixCommand(content.body)) {