fix: #10491, don't leak deleted message in cleanedContent

src/messaging/index.js

@@ -48,6 +48,7 @@ Messaging.getMessages = async (params) => {
 		messageData.isOwner = messageData.fromuid === parseInt(params.uid, 10);
 		if (messageData.deleted && !messageData.isOwner) {
 			messageData.content = '[[modules:chat.message-deleted]]';
+			messageData.cleanedContent = messageData.content;
 		}
 	});
 

test/messaging.js

@@ -702,6 +702,7 @@ describe('Messaging Library', () => {
 					assert.ifError(err);
 					messages.forEach((msg) => {
 						assert(!msg.deleted || msg.content === '[[modules:chat.message-deleted]]', msg.content);
+						assert(!msg.deleted || msg.cleanedContent, '[[modules:chat.message-deleted]]', msg.content);
 					});
 					done();
 				}