attempt to make streams handler more watertight

src/index.js

@@ -48,11 +48,11 @@ server.on('upgrade', (req, socket, head) => {
             wss1.emit('connection', socket, req)
         })
     } else if (pathname[1] === 'stream') {
-        wss2.handleUpgrade(req, socket, head, (socket) => {
-            if (req.id != null || req.id != '') {
-                req.id = token
-                wss2.emit('connection', socket, req)
-            }
-        })
+        if (token != null || token != '' || token != "") {
+            wss2.handleUpgrade(req, socket, head, (socket) => {
+                    req.id = token
+                    wss2.emit('connection', socket, req)
+            })
+        }
     }
 })