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Disable Site Restriction On Page Operations

Disable site restrictions which prevent users on performing clipboard operations, text selection, page printing (experimental), and opening the Right-Click context menu. To open the Right-Click context menu use SHIFT+RightClick (the default; configurable in the script code).

当前为 2019-10-03 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Disable Site Restriction On Page Operations
  3. // @namespace    https://greasyfork.org/en/users/85671-jcunews
  4. // @version      1.0.2
  5. // @license      AGPLv3
  6. // @author       jcunews
  7. // @description  Disable site restrictions which prevent users on performing clipboard operations, text selection, page printing (experimental), and opening the Right-Click context menu. To open the Right-Click context menu use SHIFT+RightClick (the default; configurable in the script code).
  8. // @match        *://*/*
  9. // @grant        none
  10. // @run-at       document-start
  11. // ==/UserScript==
  12.  
  13. (() => {
  14.   //=== CONFIGURATION BEGIN ===
  15.  
  16.   //Setting for Right-Click. At least either SHIFT or CTRL should be set to true. 
  17.   let useShift = true;
  18.   let useCtrl  = false;
  19.  
  20.   //=== CONFIGURATION END ===
  21.  
  22.   let epd = Event.prototype.preventDefault;
  23.   Event.prototype.preventDefault = function() {
  24.     let a;
  25.     switch (this.type) {
  26.       case "cut":
  27.       case "copy":
  28.       case "selectstart":
  29.         return;
  30.       case "paste":
  31.         if (a = document.activeElement) {
  32.           while (a && a.classList && !a.classList.contains("CodeMirror")) a = a.parentNode;
  33.           if (a) break;
  34.         }
  35.         return;
  36.       case "contextmenu":
  37.         if ((this.shiftKey === useShift) && (this.ctrlKey === useCtrl)) return;
  38.     }
  39.     return epd.apply(this, arguments);
  40.   };
  41.   addEventListener("load", () => {
  42.     document.body.appendChild(document.createElement("STYLE")).innerHTML = `
  43. @media print {
  44.   html, body { opacity: 1 !important; visibility: visible !important }
  45.   html { display: ${getComputedStyle(document.documentElement).display} !important }
  46.   body { display: ${getComputedStyle(document.body).display} !important }
  47. }
  48. * {
  49.   user-select: auto !important; -moz-user-select: auto !important; -webkit-user-select: auto !important; -ms-user-select: auto !important;
  50. }
  51. `;
  52.   });
  53. })();