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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        1.0.5
  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.             document.title = e.caretStart + 'x' + e.caretEnd;
  42.         }
  43.     }
  44.  
  45.     function toPassword(e) {
  46.         e = e.target;
  47.  
  48.         if (e.tagName === 'INPUT' && e.oldType === 'password') {
  49.             // save the cursor position
  50.             e.caretStart = e.selectionStart;
  51.             e.caretEnd = e.selectionEnd;
  52.  
  53.             // switch it to a password field
  54.             e.type = 'password';
  55.  
  56.             // the selection range gets reset when we switch its type, so let's fix it
  57.             e.setSelectionRange(e.caretStart, e.caretEnd);
  58.             e.setSelectionRange(e.caretStart, e.caretEnd);
  59.  
  60.             // let's clean up our now-unused properties
  61.             delete e.caretStart;
  62.             delete e.caretEnd;
  63.             delete e.oldType;
  64.         }
  65.     }
  66.  
  67.     function addHandlers() {
  68.         var fields = document.querySelectorAll('input[type="password"]'), i, field;
  69.  
  70.         for (i = 0; field = fields[i]; i += 1) {
  71.             if (handlers.indexOf(field) === -1) {
  72.                 field.addEventListener('focus', toText, false);
  73.                 field.addEventListener('blur', toPassword, false);
  74.                 handlers.push(field);
  75.             }
  76.         }
  77.     }
  78.  
  79.     if (show_only_on_click === false) {
  80.         window.addEventListener('mouseover', toText, false);
  81.         window.addEventListener('mouseout', toPassword, false);
  82.     } else {
  83.         window.setInterval(addHandlers, 1000);
  84.     }
  85.  
  86. }());