From 284ca9659b4d6cefd20bdae5d891accd5de30055 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juhani=20Krekel=C3=A4?= <juhani.haverinen@gmail.com>
Date: Mon, 22 Oct 2018 10:51:07 +0300
Subject: [PATCH] Ignore messages with zwsp, ^O, or ^B^B in the beginning

---
 botcmd.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/botcmd.py b/botcmd.py
index ea7c68d..9192b91 100644
--- a/botcmd.py
+++ b/botcmd.py
@@ -115,6 +115,11 @@ def sanitize(title):
 # irc is the IRC API object
 # All strings are bytestrings
 def handle_message(*, prefix, message, nick, channel, irc):
+	# Ignore messages with a zwsp, ^O, or ^B^B in the beginning
+	for ignored in (b'\xe2\x80\x8b', b'\x0f', b'\x02\x02'):
+		if message[:len(ignored)] == ignored:
+			return
+
 	urls = find_urls(message.decode('utf-8'))
 
 	# Don't titlebot >3 urls