fixes

src/index.js

@@ -35,16 +35,22 @@ wss.on('connection', (client) => {
         let parsed = JSON.parse(message);
         let token = parsed.token;
         let currentGroup = parsed.currentGroup;
+        try {
+            if (!jwt.verify(token, config.secret)) {
+                client.send("Invalid token");
+                return;
+            }
 
-        if (!jwt.verify(token, config.secret)) {
-            client.send("Invalid token");
+            if (!await UserService.isInGroup(jwt.decode(token, config.secret).login.id, currentGroup)) {
+                client.send("Not a member of specified group");
+                return;
+            }
+        } catch (e) {
+            log.error("Error during connection through websocket.")
+            client.send("Error")
             return;
         }
 
-        if (!await UserService.isInGroup(jwt.decode(token, config.secret).login.id, currentGroup)) {
-            client.send("Not a member of specified group");
-            return;
-        }
 
         clients.push({
             socket: client,
@@ -69,7 +75,7 @@ const server = app.listen(config.port, () => {
 
 server.on('upgrade', (req, res, head) => {
     wss.handleUpgrade(req, res, head, socket => {
-        wss.emit('connection', socket, request);
+        wss.emit('connection', socket, req);
     });
 });