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Discord encryption

Encrypt and decrypt messages on Discord on the fly.

目前為 2019-02-21 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name         Discord encryption
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.2
  5. // @description  Encrypt and decrypt messages on Discord on the fly.
  6. // @author       You
  7. // @match        https://discordapp.com/channels/477776237964689432/*
  8. // @require      https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. var password = "adfaldskfjlkadsf";
  13.  
  14. // Replace any messages we manage to decrypt.
  15. function decryptDiscordMessages(password) {
  16.     var nodes = document.getElementsByClassName('markup-2BOw-j');
  17.     for (var i = nodes.length; i--;) {
  18.         var text = nodes[i].innerText;
  19.         var decrypted = CryptoJS.AES.decrypt(text, password);
  20.         try {
  21.             var message = decrypted.toString(CryptoJS.enc.Utf8);
  22.             if (message == "") continue;
  23.             nodes[i].innerHTML = '<div style="color:red">' + message + '</div>';
  24.         } catch (error) {}
  25.     }
  26. }
  27. function registerObserver() {
  28.     var targetNode = document.getElementsByClassName('messagesWrapper-3lZDfY')[0];
  29.     if (targetNode == undefined) {
  30.         setTimeout(registerObserver, 10);
  31.         return;
  32.     }
  33.  
  34.     var config = { childList: true, subtree: true };
  35.     var callback = function(mutationsList, observer) {
  36.         for(var mutation of mutationsList) {
  37.             if (mutation.type != 'childList') return;
  38.             decryptDiscordMessages(password);
  39.         }
  40.     };
  41.     var observer = new MutationObserver(callback);
  42.     observer.observe(targetNode, config);
  43. }
  44. registerObserver();
  45.  
  46. function registerMessageHook() {
  47.     setTimeout(registerMessageHook, 10);
  48.     var targetNode = document.getElementsByClassName('textArea-2Spzkt')[0];
  49.     if (targetNode == undefined) return;
  50.  
  51.     targetNode.onkeydown = function(e){
  52.         var message = targetNode.value;
  53.         if (message.endsWith('/') && e.keyCode == 191) {
  54.             message = message.slice(0, -1);
  55.             console.log(message);
  56.             var cypher = CryptoJS.AES.encrypt(message, password);
  57.             targetNode.value = cypher;
  58.         }
  59.     };
  60. }
  61. registerMessageHook();