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Block Opener on Targeted Links

Add rel attribute values on mouseup to block window.opener in the linked site, also blocks referer (2016-09-01)

当前为 2016-09-01 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        Block Opener on Targeted Links
  3. // @namespace   JeffersonScher
  4. // @description Add rel attribute values on mouseup to block window.opener in the linked site, also blocks referer (2016-09-01)
  5. // @author      Jefferson "jscher2000" Scher
  6. // @copyright   Copyright 2016 Jefferson Scher
  7. // @license     BSD 3-clause
  8. // @include     *
  9. // @version     0.5
  10. // @grant       none
  11. // ==/UserScript==
  12.  
  13. // Check what was clicked and rel it up if needed
  14. function BOoTL_relfix(evt){
  15.   // is it always a link? are there other cases?
  16.   var tgt = evt.target;
  17.   if (tgt.nodeName != "A") return;
  18.   // did we already hack it?
  19.   if (tgt.hasAttribute("bootl")) return;
  20.   // is it different origin?
  21.   if (tgt.hostname == location.hostname) return;
  22.   // does it have a target not replacing the page?
  23.   var tgtatt = tgt.getAttribute("target") || "_self";
  24.   if ("_self|_parent|_top".indexOf(tgtatt) > -1) return;
  25.   // OKAY THEN add rel values + mark as modified
  26.   var oldrel = tgt.getAttribute("rel") || "";
  27.   tgt.setAttribute("rel", "noopener noreferrer "+oldrel);
  28.   tgt.setAttribute("bootl", tgt.getAttribute("rel"));
  29. }
  30. // Add click event listener to the body
  31. document.body.addEventListener("mouseup", BOoTL_relfix, false);