From 1bc45d2869dcd8622053bf883ce8313a65a78745 Mon Sep 17 00:00:00 2001
From: Cohee <18619528+Cohee1207@users.noreply.github.com>
Date: Mon, 27 May 2024 13:43:59 +0300
Subject: [PATCH] Improve external media removal in style blocks

---
 public/scripts/chats.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/public/scripts/chats.js b/public/scripts/chats.js
index 4bea9ed58..84f316e63 100644
--- a/public/scripts/chats.js
+++ b/public/scripts/chats.js
@@ -463,6 +463,7 @@ export function encodeStyleTags(text) {
  */
 export function decodeStyleTags(text) {
     const styleDecodeRegex = /<custom-style>(.+?)<\/custom-style>/gms;
+    const mediaAllowed = isExternalMediaAllowed();
 
     return text.replaceAll(styleDecodeRegex, (_, style) => {
         try {
@@ -491,6 +492,13 @@ export function decodeStyleTags(text) {
                                 }
                             }
                         }
+                        if (!mediaAllowed && Array.isArray(rule.declarations) && rule.declarations.length > 0) {
+                            for (const declaration of rule.declarations) {
+                                if (declaration.value.includes('://')) {
+                                    rule.declarations.splice(rule.declarations.indexOf(declaration), 1);
+                                }
+                            }
+                        }
                     }
                 }
             }