lowiro-bypass-getcountry.user.js

// ==UserScript==
// @name         lowiro bypass getCountry
// @namespace    http://tampermonkey.net/
// @version      2025-07-10
// @description  bypass chinese ip check
// @author       yojohanshinwataikei
// @match        https://arcaea.lowiro.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=arcaea.lowiro.com
// @grant        none
// ==/UserScript==

(function () {
  "use strict";
  (function (getAllResponseHeaders) {
    XMLHttpRequest.prototype.getAllResponseHeaders = function (...arg) {
      const result = getAllResponseHeaders.apply(this, arg);
      if (this.responseURL === "https://webapi.lowiro.com/country") {
        return result.replace("CN", "US");
      }
      return result;
    };
  })(XMLHttpRequest.prototype.getAllResponseHeaders);
})();