Is it possible to rewrite a status code with Charles Proxy?

Question

I\'m using Charles Proxy to rewrite a response from an API for testing purpose.

If I set a breakpoint, I am allowed to completely rewrite the raw response as I wish.

Answer 1

This is not a direct answer to your question, but as noted in my comment above I was in the same situation and I found a solution using a different tool that works well for me.

Instead of Charles, I run mitmproxy, specifically mitmdump, with this short Python rewriting script:

#!/usr/bin/env python

def response(context, flow):
    if '/somePath' not in flow.request.path:
        return

    flow.response.status_code = 404

To hook it into the proxy, I run mitmdump like this:

mitmdump -s /path/to/rewriting-script.py

and it works great.

I'm on OS X and I configured the network interface's web proxy to 127.0.0.1 port 8080.