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Password Revealer

Shows passwords on mouse hover or focus

目前为 2014-10-25 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name           Password Revealer
  3. // @namespace      http://userscripts.org/users/23652
  4. // @description    Shows passwords on mouse hover or focus
  5. // @include        http://*
  6. // @include        https://*
  7. // @include        file:///*
  8. // @exclude        file:///*/perf.html*
  9. // @copyright      JoeSimmons
  10. // @version        1.0.51
  11. // @license        GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
  12. // ==/UserScript==
  13. (function() {
  14.  
  15.  
  16.  
  17.  
  18.     var show_only_on_click = false; // only show passwords when you click on the field
  19.  
  20.  
  21.  
  22.  
  23.  
  24.     var handlers = [];
  25.  
  26.     function toText(e) {
  27.         e = e.target;
  28.  
  29.         if (e.tagName === 'INPUT' && e.type === 'password') {
  30.             // save the cursor position
  31.             e.caretStart = e.selectionStart;
  32.             e.caretEnd = e.selectionEnd;
  33.  
  34.             // switch it to text, but make it remember it was a password type
  35.             e.type = 'text';
  36.             e.oldType = 'password';
  37.  
  38.             // the selection range gets reset when we switch its type, so let's fix it
  39.             e.setSelectionRange(e.caretStart, e.caretEnd);
  40.         }
  41.     }
  42.  
  43.     function toPassword(e) {
  44.         e = e.target;
  45.  
  46.         if (e.tagName === 'INPUT' && e.oldType === 'password') {
  47.             // save the cursor position
  48.             e.caretStart = e.selectionStart;
  49.             e.caretEnd = e.selectionEnd;
  50.  
  51.             // switch it to a password field
  52.             e.type = 'password';
  53.  
  54.             // the selection range gets reset when we switch its type, so let's fix it
  55.             e.setSelectionRange(e.caretStart, e.caretEnd);
  56.             e.setSelectionRange(e.caretStart, e.caretEnd);
  57.  
  58.             // let's clean up our now-unused properties
  59.             delete e.caretStart;
  60.             delete e.caretEnd;
  61.             delete e.oldType;
  62.         }
  63.     }
  64.  
  65.     function addHandlers() {
  66.         var fields = document.querySelectorAll('input[type="password"]'), i, field;
  67.  
  68.         for (i = 0; field = fields[i]; i += 1) {
  69.             if (handlers.indexOf(field) === -1) {
  70.                 field.addEventListener('focus', toText, false);
  71.                 field.addEventListener('blur', toPassword, false);
  72.                 handlers.push(field);
  73.             }
  74.         }
  75.     }
  76.  
  77.     if (show_only_on_click === false) {
  78.         window.addEventListener('mouseover', toText, false);
  79.         window.addEventListener('mouseout', toPassword, false);
  80.     } else {
  81.         window.setInterval(addHandlers, 1000);
  82.     }
  83.  
  84. }());