From 4a2ca815fd1788b6e4852d8324035b88f9276454 Mon Sep 17 00:00:00 2001
From: noobpk <ltp.noobpk@gmail.com>
Date: Fri, 19 Nov 2021 15:24:40 +0700
Subject: [PATCH] update pattern fix issue multi-line in text can be bypass

---
 helpdesk/models.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/helpdesk/models.py b/helpdesk/models.py
index a2d7f901..d2dcaae2 100644
--- a/helpdesk/models.py
+++ b/helpdesk/models.py
@@ -57,8 +57,8 @@ def get_markdown(text):
         return ""
 
     schemes = '|'.join(helpdesk_settings.ALLOWED_URL_SCHEMES)
-    pattern = fr'\[(.+)\]\((?!({schemes})).*:(.+)\)'
-    text = re.sub(pattern, '[\\1](\\3)', text, flags=re.IGNORECASE)
+    pattern = fr'([\[\s\S\]]*?)\((?!({schemes})).*:(.+)\)'
+    text = re.sub(pattern, '\\1(\\3)', text, flags=re.IGNORECASE)
 
     return mark_safe(
         markdown(