[NEW] Whitelisting bad words (#17120)

Co-authored-by: pierre-lehnen-rc <55164754+pierre-lehnen-rc@users.noreply.github.com>

app/lib/server/methods/filterBadWords.js

@@ -6,6 +6,7 @@ import { callbacks } from '../../../callbacks';
 callbacks.add('beforeSaveMessage', function(message) {
 	if (settings.get('Message_AllowBadWordsFilter')) {
 		const badWordsList = settings.get('Message_BadWordsFilterList');
+		let whiteList = settings.get('Message_BadWordsWhitelist');
 		let options;
 
 		// Add words to the blacklist
@@ -15,6 +16,12 @@ callbacks.add('beforeSaveMessage', function(message) {
 			};
 		}
 		const filter = new Filter(options);
+
+		if (whiteList?.length) {
+			whiteList = whiteList.split(',').map((word) => word.trim());
+			filter.removeWords(...whiteList);
+		}
+
 		message.msg = filter.clean(message.msg);
 	}
 

app/lib/server/startup/settings.js

@@ -1046,6 +1046,10 @@ settings.addGroup('Message', function() {
 		type: 'string',
 		public: true,
 	});
+	this.add('Message_BadWordsWhitelist', '', {
+		type: 'string',
+		public: true,
+	});
 	this.add('Message_KeepHistory', false, {
 		type: 'boolean',
 		public: true,

packages/rocketchat-i18n/i18n/en.i18n.json

@@ -2476,6 +2476,8 @@
   "Message_AudioRecorderEnabled_Description": "Requires 'audio/mp3' files to be an accepted media type within 'File Upload' settings.",
   "Message_BadWordsFilterList": "Add Bad Words to the Blacklist",
   "Message_BadWordsFilterListDescription": "Add List of Comma-separated list of bad words to filter",
+  "Message_BadWordsWhitelist": "Remove words from the Blacklist",
+  "Message_BadWordsWhitelistDescription": "Add a comma-separated list of words to be removed from filter",
   "Message_Characther_Limit": "Message Characther Limit",
   "MessageBox_view_mode": "MessageBox View Mode",
   "message_counter": "__counter__ message",