Dolibarr user's scripts

// ==UserScript==
// @name        Dolibarr Security code breaker
// @icon        https://www.dolibarr.org/medias/image/www.dolibarr.org/images/stories/dolibarr.png
// @namespace   Open-DSI
// @match       *://*/*
// @version     2.0
// @author      Florian Charlaix <fcharlaix@open-dsi.fr>
// @description Use OCR to auto complete the Dolibarr security code on login page
// @grant       GM.getValue
// @downloadURL https://git.open-dsi.fr/-/snippets/5/raw/master/security_code_breaker.user.js
// ==/UserScript==

const code_re = new RegExp("^[A-z0-9]{5}$", "g");

function log(msg) {
  console.log(`Dolibarr Security code breaker: ${msg}`);
}

log("loaded");

function sleep(ms) {
  return new Promise(resolve => setTimeout(resolve, ms));
}

function encodeQueryData(data) {
   const ret = [];
   for (let d in data)
     ret.push(encodeURIComponent(d) + '=' + encodeURIComponent(data[d]));
   return ret.join('&');
}

function retry() {
  log("Retry !")
  document.getElementById("captcha_refresh_img").click();
}

function input_code(code) {
  log(`Code ${code}`);
  if (!code_re.test(code)) {
    log("Invalide code");
    return false;
  }

  document.getElementById("securitycode").value = code;
  return true;
}

async function getImageData() {
  let canvas = document.createElement('canvas');
  let context = canvas.getContext('2d');
  let data = null;
  while (!data && data != "data:,") {
    await sleep(1000);
    img = document.getElementById('img_securitycode');
    canvas.height = img.naturalHeight;
    canvas.width = img.naturalWidth;
    context.drawImage(img, 0, 0, img.naturalWidth, img.naturalHeight);
    data = canvas.toDataURL();
  };
  return data;
}

async function image2code(data) {
  const http = new XMLHttpRequest();
  http.open("POST", "https://api.ocr.space/parse/image");
  http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');

  params = {
    apikey: await GM.getValue("apiKey"),
    isOverlayRequired: false,
    detectOrientation: false,
    isTable: false,
    OCREngine: 2,
    scale: true,
    base64Image: data
  }

  http.addEventListener("error", event => {log(`API error ! ${http.status}`)});

  let promise = new Promise((ok) => {
    http.addEventListener("readystatechange", event => {
      if (http.readyState === 4) {
        let parsedText = JSON.parse(http.responseText).ParsedResults[0].ParsedText;
        parsedText = parsedText.split("\n")[0];
        ok(parsedText);
      }
    })
  });

  http.send(encodeQueryData(params));

  return await promise;
}

async function breakCode() {
  let data = await getImageData();
  let code = await image2code(data);
  if (!input_code(code)) {
    retry();
  }
  log("Code craked °3°");
}

function main() {
  let author = document.querySelector("meta[name='author']");
  if (!(author && (author.content === "Dolibarr Development Team" || "Easya & Dolibarr Development Team"))) {
    return;
  }
  log("It's a Dolibarr !");

  if (!document.getElementById('login')) {
    return;
  }
  log("And we are at the login page OwO");

  if (!document.getElementById('img_securitycode')) {
    return;
  }
  log("And a security code is present \\o/");

  setTimeout(breakCode, 10);
}

main();