Revert "Properly sanitizes loaded messages in tgui chat"

This reverts commit 4c32a7094a.

tgui/packages/tgui-panel/chat/middleware.js

@@ -4,7 +4,6 @@
  * @license MIT
  */
 
-import DOMPurify from 'dompurify';
 import { storage } from 'common/storage';
 import {
   loadSettings,
@@ -30,9 +29,7 @@ import { MAX_PERSISTED_MESSAGES, MESSAGE_SAVE_INTERVAL } from './constants';
 import { createMessage, serializeMessage } from './model';
 import { chatRenderer } from './renderer';
 import { selectChat, selectCurrentChatPage } from './selectors';
-
-// List of blacklisted tags
-const FORBID_TAGS = ['a', 'iframe', 'link', 'video'];
+import { logger } from 'tgui/logging';
 
 const saveChatToStorage = async (store) => {
   const state = selectChat(store.getState());
@@ -58,13 +55,6 @@ const loadChatFromStorage = async (store) => {
     return;
   }
   if (messages) {
-    for (let message of messages) {
-      if (message.html) {
-        message.html = DOMPurify.sanitize(message.html, {
-          FORBID_TAGS,
-        });
-      }
-    }
     const batch = [
       ...messages,
       createMessage({

tgui/packages/tgui/sanitize.js

@@ -1,49 +0,0 @@
-/**
- * Uses DOMPurify to purify/sanitise HTML.
- */
-
-import DOMPurify from 'dompurify';
-
-// Default values
-let defTag = [
-  'b',
-  'br',
-  'center',
-  'code',
-  'div',
-  'font',
-  'hr',
-  'i',
-  'li',
-  'menu',
-  'ol',
-  'p',
-  'pre',
-  'span',
-  'table',
-  'td',
-  'th',
-  'tr',
-  'u',
-  'ul',
-];
-let defAttr = ['class', 'style'];
-
-/**
- * Feed it a string and it should spit out a sanitized version.
- *
- * @param {string} input
- * @param {array} tags
- * @param {array} forbidAttr
- */
-export const sanitizeText = (input, tags = defTag, forbidAttr = defAttr) => {
-  // This is VERY important to think first if you NEED
-  // the tag you put in here.  We are pushing all this
-  // though dangerouslySetInnerHTML and even though
-  // the default DOMPurify kills javascript, it dosn't
-  // kill href links or such
-  return DOMPurify.sanitize(input, {
-    ALLOWED_TAGS: tags,
-    FORBID_ATTR: forbidAttr,
-  });
-};