From 25920be1dbde0ef22bc045843679ea5b391370c7 Mon Sep 17 00:00:00 2001
From: SpaceDump <github.com@spacedump.pp.se>
Date: Sun, 26 Jan 2020 15:05:49 +0100
Subject: [PATCH] Added fix for escaping underscore while using Markdown
 (#11070)

* Added fix for escaping underscore while using Markdown

* Corrected indentation
---
 LibreNMS/Alert/Transport/Telegram.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/LibreNMS/Alert/Transport/Telegram.php b/LibreNMS/Alert/Transport/Telegram.php
index 19375e434a..d1e77bb5bf 100644
--- a/LibreNMS/Alert/Transport/Telegram.php
+++ b/LibreNMS/Alert/Transport/Telegram.php
@@ -44,6 +44,9 @@ class Telegram extends Transport
         $format="";
         if ($data['format']) {
                 $format="&parse_mode=" . $data['format'];
+            if ($data['format'] == 'Markdown') {
+                $text = urlencode(preg_replace("/([a-z0-9]+)_([a-z0-9]+)/", "$1\_$2", $obj['msg']));
+            }
         }
         curl_setopt($curl, CURLOPT_URL, ("https://api.telegram.org/bot{$data['token']}/sendMessage?chat_id={$data['chat_id']}&text=$text{$format}"));
         curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);