Grasscutter_Fiddler.js

import System;
import Fiddler;

class Handlers
{
    static const SERVER_HOST: String = "localhost"; // WSL2 must use exact local IP (ip addr list eth0)
    static const DISPATCH_SERVER_PORT: Int32 = 42069;
    static const UPSTREAM: Array = [
        ".yuanshen.com",
        ".hoyoverse.com",
        ".mihoyo.com"
    ];

    static function OnBeforeRequest(oSession: Session) {
        for (var i = 0; i < UPSTREAM.length; i++) {
            if (oSession.host.ToLower().Contains(UPSTREAM[i])) {
                // oSession.oRequest.headers.Add("X-Full-URL", oSession.fullUrl);
                oSession.host = SERVER_HOST;
                if (DISPATCH_SERVER_PORT) {
                    oSession.port = DISPATCH_SERVER_PORT;
                }
                return;
            }
        }
    }
}