网站视频培训自动验证

宁波市专业监理工程师网络培训平台

document.querySelector('#videoVerifyContent').remove();
async function validator() {
  const ocr = async url => {
    const { default: Tesseract } = await import(
      "https://dev.jspm.io/tesseract.js"
    );
    const data = await Tesseract.recognize(
      url ||
        "https://ware.cdeledu.com/cdel_ware/common/makeArithmeticCode.shtm?random=0.6212206602916508"
    );
    const str = data.text
      .trim()
      .replace("l", "1")
      .replace(/o|O/, "0")
      .replace(/:|=/, "")
      .replace(/x|X/, "*");
    console.log(str, eval(str));
    return eval(str);
  };

  /**
   * @type HTMLImageElement
   */
  const img = document.querySelector("#verificationCode");
  const canvas = document.createElement("canvas");
  canvas.width = img.naturalWidth;
  canvas.height = img.naturalHeight;
  canvas.getContext("2d").drawImage(img, 0, 0);
  const url = canvas.toDataURL();
  let result;
  try {
    result = await ocr(url);
  } catch (err) {
    img.click();
    setTimeout(validator, 1000);
    throw new Error("validator fail");
  }

  /**
   * @type HTMLInputElement
   */
  const input = document.querySelector("#userAnswer");
  input.value = result;
  /**
   * @type HTMLButtonElement
   */
  const btn = document.querySelector("button.jbox-button");
  btn.click();
}

new MutationObserver(() => {
  if (document.querySelector('#jbox')) validator().catch(() => location.reload());
}).observe(document.body, {
  attributes: true,
  childList: true,
  subtree: true
});