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FFXU ASCII Art Captcha Solver

A script to automatically solve ASCII art captchas on Fairfax Underground

  1. // ==UserScript==
  2. // @name         FFXU ASCII Art Captcha Solver
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.1
  5. // @description  A script to automatically solve ASCII art captchas on Fairfax Underground
  6. // @author       Chuck Hoffmann
  7. // @match        http://www.*
  8. // @match        https*
  9. // @match        http*
  10. // @match        *
  11. // @grant        none
  12. // ==/UserScript==
  13.  
  14. (function() {
  15.     'use strict';
  16.     let letters = {
  17.         D34D107D73D73D73D73D73D127D54:"3",
  18.         D124D124D4D4D4D4D63D63D4:"4",
  19.         D62D127D73D73D73D73D73D111D38:"6",
  20.         D96D96D71D79D88D80D96D96:"7",
  21.         D50D123D73D73D73D73D73D127D62:"9",
  22.         D127D127D73D73D73D73D73D127D54:"B",
  23.         D62D127D65D65D65D65D99D34:"C",
  24.         D127D127D65D65D65D65D65D127D62:"D",
  25.         D127D127D73D73D73D73D65D65:"E",
  26.         D127D127D72D72D72D72D64D64:"F",
  27.         D62D127D65D65D65D73D111D46D8:"G",
  28.         D127D127D8D8D8D8D8D127D127:"H",
  29.         D6D7D1D1D1D1D127D126:"J",
  30.         D127D127D8D8D28D54D99D65:"K",
  31.         D127D127D1D1D1D1D1D1:"L",
  32.         D127D127D48D24D8D24D48D127D127:"M",
  33.         D127D127D48D24D12D6D127D127:"N",
  34.         D127D127D72D72D72D72D72D120D48:"P",
  35.         D64D64D64D127D127D64D64D64:"T",
  36.         D126D127D1D1D1D1D1D127D126:"U",
  37.         D120D124D6D3D1D3D6D124D120:"V",
  38.         D126D127D1D1D62D62D1D1D127D126:"W",
  39.         D65D99D54D28D8D28D54D99D65:"X",
  40.         D64D96D48D31D31D48D96D64:"Y"
  41.     };
  42.     let captcha = document.getElementById("spamhurdles_captcha_asciiart");
  43.     let captchaString = captcha.textContent;
  44.     //console.log("\"" + captchaString + "\"");
  45.     let captchaArray = captchaString.split("\n");
  46.     let max = captchaArray[0].length;
  47.     let key = "";
  48.     let solution = "";
  49.     for(let ctr=0; ctr< max; ctr++){
  50.         let columnVal = 0;
  51.         for(let x in captchaArray){
  52.             columnVal = columnVal << 1;
  53.             if(captchaArray[x][ctr] !== " "){
  54.                 columnVal = columnVal + 1;
  55.             }
  56.         }
  57.         //console.log("Column " + ctr + " value is : " + columnVal);
  58.         if(columnVal === 0){
  59.             //console.log(key);
  60.             if (letters.hasOwnProperty(key)){
  61.                 //console.log(letters[key]);
  62.                 solution = solution + letters[key];
  63.             }
  64.             key = "";
  65.         } else {
  66.             key = key + "D" + columnVal;
  67.         }
  68.     } 
  69.     let qz = document.getElementById("spamhurdles_captcha_answer_input");
  70.     qz.value = solution;
  71.     //console.log(solution);
  72. })();