☰

Kahoot AntiBot

Remove all bots from the player join screen. Simply start a kahoot game and watch as all bots get killed. Does not work on leaderboards currently.

当前为 2018-11-08 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Kahoot AntiBot
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.1
  5. // @description  Remove all bots from the player join screen. Simply start a kahoot game and watch as all bots get killed. Does not work on leaderboards currently.
  6. // @author       theusaf
  7. // @match        *://play.kahoot.it/*
  8. // @grant        none
  9. // ==/UserScript==
  10.  
  11. window.similarity = function (s1, s2) {
  12.   if(!isNaN(s2) && !isNaN(s1)){
  13.     return 1;
  14.   }
  15.   var longer = s1;
  16.   var shorter = s2;
  17.   if (s1.length < s2.length) {
  18.     longer = s2;
  19.     shorter = s1;
  20.   }
  21.   var longerLength = longer.length;
  22.   if (longerLength == 0) {
  23.     return 1.0;
  24.   }
  25.   return (longerLength - editDistance(longer, shorter)) / parseFloat(longerLength);
  26. }
  27.  
  28. window.editDistance = function (s1, s2) {
  29.   s1 = s1.toLowerCase();
  30.   s2 = s2.toLowerCase();
  31.  
  32.   var costs = new Array();
  33.   for (var i = 0; i <= s1.length; i++) {
  34.     var lastValue = i;
  35.     for (var j = 0; j <= s2.length; j++) {
  36.       if (i == 0){
  37.         costs[j] = j;
  38.       }
  39.       else {
  40.         if (j > 0) {
  41.           var newValue = costs[j - 1];
  42.           if (s1.charAt(i - 1) != s2.charAt(j - 1)){
  43.             newValue = Math.min(Math.min(newValue, lastValue),costs[j]) + 1;
  44.           }
  45.           costs[j - 1] = lastValue;
  46.           lastValue = newValue;
  47.         }
  48.       }
  49.     }
  50.     if (i > 0){
  51.       costs[s2.length] = lastValue;
  52.     }
  53.   }
  54.   return costs[s2.length];
  55. }
  56.  
  57. window.setup1 = function (){
  58.   var launch_button = document.querySelectorAll("[data-functional-selector=\"launch-button\"]")[0];
  59.   if(launch_button){
  60.     console.warn("launch button found!");
  61.     launch_button.addEventListener("click",setup2);
  62.   }else{
  63.     setTimeout(setup1,1000);
  64.   }
  65. }
  66.  
  67. window.setup2 = function (){
  68.   var start_button = document.querySelectorAll("[data-functional-selector=\"start-button\"]")[0];
  69.   if(start_button){
  70.     console.warn("start button found!");
  71.     setup3();
  72.   }else{
  73.     setTimeout(setup2,1000);
  74.   }
  75. }
  76.  
  77. window.setup3 = function (){
  78.   let playerList = document.getElementsByClassName("player-list")[0];
  79.   let conf = {
  80.     childList: true,
  81.     subtree: true
  82.   };
  83.   let observer = new MutationObserver(kill_bots);
  84.   observer.observe(playerList,conf);
  85. }
  86.  
  87. window.onload = setup1;
  88.  
  89. window.cachedUsernames = [];
  90.  
  91. window.kill_bots = function (e,observer){
  92.   console.warn("determining evil now. be warned.");
  93.   if(document.getElementsByClassName("player-list").length == 0){
  94.     observer.disconnect();
  95.     return;
  96.   }
  97.   let players = document.querySelectorAll("[data-functional-selector=\"player\"]");
  98.   for(let i in players){
  99.     if(cachedUsernames.length == 0){
  100.       cachedUsernames.push({element:players[i],text:players[i].innerText,clicked:false});
  101.       continue;
  102.     }
  103.     for(let k in cachedUsernames){
  104.       if(cachedUsernames[k].element == players[i]){
  105.         continue;
  106.       }
  107.       if(similarity(cachedUsernames[k].text,players[i].innerText) >= 0.60){
  108.         players[i].click();
  109.         if(!cachedUsernames[k].clicked){
  110.           cachedUsernames[k].element.click();
  111.           cachedUsernames[k].clicked = true;
  112.         }
  113.         break;
  114.       }
  115.     }
  116.     cachedUsernames.push({element:players[i],text:players[i].innerText,clicked:false});
  117.   }
  118. };