I have made the changes as above. Let me know how it goes!
Still no joy. Here's another version of websocketservice-debug.js that unmasks the data in multiple steps, so hopefully this'll work. If not, it'll log an error on the server side pinpointing exactly where the unmasking is failing.
https://tinyurl.com/yc2c86ys
---
■ Synchronet ■ fTelnet Demo Server - ftelnet.synchro.net
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)