chrome_stealth.js

// Chrome Stealth Patch - Additional evasion for Cloudflare and other bot detection
// Based on https://github.com/jonfriesen/playwright-go-stealth/issues/2
(() => {
  const windowsPatch = (w) => {
    w.chrome = {
      app: {
        isInstalled: false,
        InstallState: {
          DISABLED: "disabled",
          INSTALLED: "installed",
          NOT_INSTALLED: "not_installed",
        },
        RunningState: {
          CANNOT_RUN: "cannot_run",
          READY_TO_RUN: "ready_to_run",
          RUNNING: "running",
        },
      },
      loadTimes: () => {},
      csi: () => {},
    };
    w.console.debug = () => {};
    w.console.log = () => {};
    w.console.context = () => {};
    w.navigator.permissions.query = new Proxy(navigator.permissions.query, {
      apply: async function (target, thisArg, args) {
        try {
          const result = await Reflect.apply(target, thisArg, args);
          if (result?.state === "prompt") {
            Object.defineProperty(result, "state", { value: "denied" });
          }
          return Promise.resolve(result);
        } catch (error) {
          return Promise.reject(error);
        }
      },
    });
    Element.prototype._addEventListener = Element.prototype.addEventListener;
    Element.prototype.addEventListener = function () {
      let args = [...arguments];
      let temp = args[1];
      args[1] = function () {
        let args2 = [...arguments];
        args2[0] = Object.assign({}, args2[0]);
        args2[0].isTrusted = true;
        return temp(...args2);
      };
      return this._addEventListener(...args);
    };
  };
  const cloudflareClicker = (w) => {
    if (w?.document && w.location.host === "challenges.cloudflare.com") {
      const targetSelector = "input[type=checkbox]";
      const observer = new MutationObserver((mutationsList) => {
        for (const mutation of mutationsList) {
          if (mutation.type === "childList") {
            const addedNodes = Array.from(mutation.addedNodes);
            for (const addedNode of addedNodes) {
              if (addedNode.nodeType === addedNode.ELEMENT_NODE) {
                const node = addedNode?.querySelector(targetSelector);
                if (node) {
                  node.parentElement.click();
                }
              }
            }
          }
        }
      });

      const observerOptions = {
        childList: true,
        subtree: true,
      };
      observer.observe(
        w.document.documentElement || w.document,
        observerOptions
      );
    }
  };
  windowsPatch(window);
  cloudflareClicker(window);
})();