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Userscript Console (For developers)

Simple script that provides window.GM_Exec that can access GM_*functions

  1. // ==UserScript==
  2. // @name         Userscript Console (For developers)
  3. // @namespace    Userscript Console
  4. // @version      0.1
  5. // @description  Simple script that provides window.GM_Exec that can access GM_*functions
  6. // @author       PY-DNG
  7. // @include      *
  8. // @connect      *
  9. // @grant        unsafeWindow
  10. // @grant        GM_setValue
  11. // @grant        GM_getValue
  12. // @grant        GM_deleteValue
  13. // @grant        GM_listValues
  14. // @grant        GM_xmlhttpRequest
  15. // @grant        GM_addStyle
  16. // @grant        GM_addElement
  17. // @grant        GM_addValueChangeListener
  18. // @grant        GM_removeValueChangeListener
  19. // @grant        GM_log
  20. // @grant        GM_getResourceText
  21. // @grant        GM_getResourceURL
  22. // @grant        GM_registerMenuCommand
  23. // @grant        GM_unregisterMenuCommand
  24. // @grant        GM_openInTab
  25. // @grant        GM_download
  26. // @grant        GM_getTab
  27. // @grant        GM_saveTab
  28. // @grant        GM_getTabs
  29. // @grant        GM_notification
  30. // @grant        GM_setClipboard
  31. // @grant        GM_info
  32. // ==/UserScript==
  33.  
  34. (function() {
  35.     'use strict';
  36.  
  37.     // Set a password and you will get access to use GM_Exec in browser's console
  38.     // password should be a random string that is impossible to be guessed by anyone else, and should be longer than 4 characters.
  39.     // This aims to prevent the fucking crackers attacking you from their website.
  40.     let password = 'pswd';
  41.  
  42.     /* Usage:
  43.     **     window.GM_Exec(code, pswd): the same as GM_Exec
  44.     **     GM_Exec(code, pswd):
  45.     **       - code: The code you want to execute in Tempermonkey Sandbox
  46.     **       - pswd: The password you set above
  47.     ** Remember:
  48.     **     Calling GM_Exec with wrong password has no effect but to increase the number variable <triedCount>, your code will not be executed.
  49.     **     For safety, you have to wait at least 1 second before you call GM_Exec again after you called it with a wrong password
  50.     **     GM_Exec will be deleted if triedCount has reached a big number
  51.     **     All these above is for safety, protecting your password from being tested out or guessed from the fucking crackers attacking you from their website
  52.     */
  53.  
  54.  
  55.  
  56.     // Code
  57.     let lastTry;
  58.     let triedCount = 0;
  59.     unsafeWindow.GM_Exec = function(code, pswd) {
  60.         // Password verify
  61.         if (typeof(password) !== 'string') {
  62.             GM_log('Password should be a string!');
  63.             return;
  64.         }
  65.         if (password.length === 0) {
  66.             GM_log('You should set a password first!');
  67.             return;
  68.         }
  69.         if (password.length < 4) {
  70.             GM_log('Password should be equal or longer than 4 characters!');
  71.             return;
  72.         }
  73.         if (!pswd) {
  74.             GM_log('You should call GM_Exec with your password as the second argument!');
  75.             return;
  76.         }
  77.         if ((((new Date()).getTime() - lastTry) / 1000) < 1) {
  78.             GM_log('You should wait at least 1 second before you call GM_Exec again after you called it with a wrong password.');
  79.             lastTry = (new Date()).getTime();
  80.             triedCount++;
  81.             return;
  82.         }
  83. 		if (triedCount >= 10 ** (password.length-2)) {
  84. 			if (unsafeWindow.GM_Exec) {
  85. 				delete unsafeWindow.GM_Exec;
  86. 				GM_log('You have tried too many times with wrong passwords, and GM_Exec is now deleted. Please reload.');
  87. 			}
  88.             return;
  89.         }
  90.         if (pswd !== password) {
  91.             lastTry = (new Date()).getTime();
  92.             triedCount++;
  93.             GM_log('Wrong password! Your code will not be executed. Try again after 1 second. You has input wrong passwords for {T} time(s). '.replace('{T}', triedCount));
  94.             return;
  95.         };
  96.         triedCount = 0;
  97.         eval(code);
  98.     };
  99.  
  100.     // Run in Tempermonkey's MenuCommand is safe and needs no verification
  101.     GM_registerMenuCommand('Execute javascript in Tempermonkey Sandbox', function() {
  102.         const code = prompt('Your code：', 'GM_log(GM_Exec);');
  103.         eval(code);
  104.     });
  105. })();