fix: don't crash on objects with toString property

src/socket.io/index.js

@@ -112,16 +112,18 @@ async function onMessage(socket, payload) {
 		return winston.warn('[socket.io] Empty payload');
 	}
 
-	const eventName = payload.data[0];
+	let eventName = payload.data[0];
 	const params = typeof payload.data[1] === 'function' ? {} : payload.data[1];
 	const callback = typeof payload.data[payload.data.length - 1] === 'function' ? payload.data[payload.data.length - 1] : function () {};
 
+	try {
 		if (!eventName) {
 			return winston.warn('[socket.io] Empty method name');
 		}
 
 		if (typeof eventName !== 'string') {
-		const escapedName = validator.escape(String(eventName));
+			eventName = typeof eventName;
+			const escapedName = validator.escape(eventName);
 			return callback({ message: `[[error:invalid-event, ${escapedName}]]` });
 		}
 
@@ -153,7 +155,6 @@ async function onMessage(socket, payload) {
 			return socket.disconnect();
 		}
 
-	try {
 		await checkMaintenance(socket);
 		await validateSession(socket, '[[error:revalidate-failure]]');