Rarbg automatic captcha solver

rarbg-captcha-solver.user.js

// ==UserScript==
// @name Rarbg captcha solver
// @version 1.2
// @grant none
// @match https://*/threat_defence.php?defence=2*
// @require https://unpkg.com/tesseract.js@v2.1.0/dist/tesseract.min.js
// @run-at document-idle
// @author Klaster_1
// @icon https://rarbgenter.org/favicon.ico
// @downloadURL https://gist.github.com/Klaster1/dd7991d59fc8e6a7ec2544b47a12e4e9/raw/rarbg-captcha-solver.user.js
// @updateURL   https://gist.github.com/Klaster1/dd7991d59fc8e6a7ec2544b47a12e4e9/raw/rarbg-captcha-solver.user.js
// ==/UserScript==

/**
 * @param {HTMLImageElement} img
 */
const waitForImage = async (img) => {
  if (img.complete) return
  await new Promise(resolve => img.addEventListener('load', resolve))
}

/**
 * @param {HTMLImageElement} img
 */
const imageToDataURL = async (img) => {
  const canvas = document.createElement('canvas') 
  canvas.width = img.width 
  canvas.height = img.height 
  const ctx = canvas.getContext('2d')
  ctx.drawImage(img, 0, 0)
  return canvas.toDataURL()
}

/**
 * @param {string} url
 * @returns Promise<string>
 */
const solveImageAtURL = async (url) => {
  const worker = Tesseract.createWorker();
  await worker.load();
  await worker.loadLanguage('eng');
  await worker.initialize('eng');
  const { data: { text } } = await worker.recognize(url);
  await worker.terminate();
  return text
}

(async () => {
  /**
   * @type {HTMLImageElement}
   */
  const img = document.querySelector('img[src*="captcha"]')
  await waitForImage(img)
  document.querySelector('#solve_string').value = await solveImageAtURL(await imageToDataURL(img))
  document.querySelector('form').submit()
})()