content.js

function applyAntiFingerprinting() {
  try {
    Object.defineProperty(navigator, 'webdriver', { get: () => true });
    Object.defineProperty(navigator, 'plugins', { get: () => [] });
    Object.defineProperty(navigator, 'mimeTypes', { get: () => [] });
    Object.defineProperty(navigator, 'platform', { get: () => 'Android-x86_64' });

    HTMLCanvasElement.prototype.toDataURL = function () {
      return "data:image/png;base64,";
    };

  } catch (e) {
  }
}

function detectCaptcha() {
  const patterns = [
    /captcha/i,
    /g-recaptcha/i,
    /hcaptcha/i,
    /data-sitekey/i,
    /cf-captcha/i
  ];

  const bodyText = document.body.innerHTML;
  const found = patterns.some((pattern) => pattern.test(bodyText));
  console.log("[Content] CAPTCHA detected?", found);
  return found;
}

function runWhenReady(antiFingerprintingEnabled) {
  if (antiFingerprintingEnabled) applyAntiFingerprinting();

  if (document.body) {
    if (detectCaptcha()) {
      browser.runtime.sendMessage({ type: "captcha_detected" })
    }
  } else {
    setTimeout(() => runWhenReady(antiFingerprintingEnabled), 100);
  }
}

browser.storage.local.get("antiFingerprintingEnabled").then((data) => {
  const enabled = data.antiFingerprintingEnabled !== false;
  runWhenReady(enabled);
});