[Request] Support Scripting, Breakpoint and Others tools for Websocket protocol

[4nif]

Proxyman version? (Ex. Proxyman 2.15.1)

macOS Version? (Ex. mac 10.15.7)

Steps to reproduce

Expected behavior

• Support scripting, breakpoint and other tools such as map local, remote for Websocket protocol

Screenshots (optional)

[NghiaTranUIT]

Hi @4nif, I would like to collect more requests from other users in order to start implementing this feature since it’s quite challenging to support debugging tools with Websocket 🧐

Thank you for opening this ticket 👍

[NghiaTranUIT]

I might support Breakpoint for WS since it might be easier I believe.

Can you share with me what tasks you would like to achieve with WS?

[4nif]

@NghiaTranUIT for starter

• ability to breakpoint websocket tcp handshake (changes payload or header, etc)
• modify/update websocket messages after websocket connection established

additionally I want to be able to perform local mock and streaming websocket message payload from proxyman to the client app 💯

[NghiaTranUIT]

ability to breakpoint websocket tcp handshake (changes payload or header, etc)

This feature seems to be easy because, behind the scene, the WS/WSS will make an HTTP/HTTPS request (with Upgrade: websocket header), so I can modify the Breakpoint to capture it.

modify/update websocket messages after websocket connection established

It's a huge task as I estimate, let me collect more feature requests and consider soon 👍

[Floperoid]

Also map remote for websocket connection would be great feature. It's working in Charles now, might give you some ideas

[phaseOne]

I too would like to use map remote, so that when developing locally, I can redirect connections in my browser from our dev RabbitMQ instance wss://broker.dev.example.com to a local instance at ws://locahost:15675.

Can also confirm that this works in Charles today if you need it.

[zh-d-d]

This is a great feature

[helsonxiao]

I need scripting to add query params for ws. Hope this can be implemented soon.

[phaseOne]

If you need this feature right now, it’s possible with mitmproxy addons, though you will have to accept using an app other than Proxyman.

[NghiaTranUIT]

Thanks for all your requests. It seems it's reasonable to start implementing the Breakpoint for WS. I will checkout 👍

[mprice-banno]

Adding my vote for breakpoint, and if possible scripting, for Websockets. Currently using Burp when I have to play with Websockets and it's not up to Proxyman's standard! Scripting would be really nice, as in my use case I need to use the request in part of the response.

[4nif]

Hopefully this feature can be implemented soon @NghiaTranUIT

[rilham97]

I hope this feature can be add soon, so I just paid to your product only

Here their feature https://portswigger.net/burp/documentation/desktop/testing-workflow/websockets/manipulating-websocket-messages

[NghiaTranUIT]

Hey folks, thanks for all input here 👍

I suppose that I can implement the WebSocket Repeater like what Burp does at: https://portswigger.net/burp/documentation/desktop/testing-workflow/websockets/manipulating-websocket-messages

---

To @Floperoid and @phaseOne Map Remote for Websocket is already done: https://github.com/ProxymanApp/Proxyman/issues/1218