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Decloak links and open directly

Open redirected/cloaked links directly

当前为 2021-03-27 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name          Decloak links and open directly
  3. // @description   Open redirected/cloaked links directly
  4. // @version       2.2.0
  5. // @author        wOxxOm
  6. // @namespace     wOxxOm.scripts
  7. // @icon          https://i.imgur.com/cfmXJHv.png
  8. // @resource      icon https://i.imgur.com/cfmXJHv.png
  9. // @license       MIT License
  10. // @run-at        document-start
  11. // @grant         GM_getResourceURL
  12. // @match         *://*/*
  13. // ==/UserScript==
  14.  
  15. 'use strict';
  16.  
  17. const POPUP = document.createElement('a');
  18. POPUP.id = GM_info.script.name;
  19. POPUP.title = 'Original link';
  20. let isPopupStyled;
  21. let lastLink;
  22. let hoverTimer;
  23. let hoverStopTimer;
  24.  
  25. addEventListener('keypress', e => e.which === 13 && decloakLink(e), true);
  26. addEventListener('mousedown', decloakLink, true);
  27. addEventListener('mouseover', onHover, true);
  28.  
  29. function onHover(event) {
  30.   const a = decloakLink(event);
  31.   if (a) {
  32.     if (lastLink)
  33.       lastLink.removeEventListener('mouseout', cancelHover);
  34.     clearTimeout(hoverTimer);
  35.     hoverTimer = setTimeout(showPopup, 500, a);
  36.     a.addEventListener('mouseout', cancelHover);
  37.   }
  38.   lastLink = a;
  39. }
  40.  
  41. function cancelHover(e) {
  42.   this.removeEventListener('mouseout', cancelHover);
  43.   clearTimeout(hoverStopTimer);
  44.   hoverStopTimer = setTimeout(hidePopup, 500, this);
  45. }
  46.  
  47. function showPopup(a) {
  48.   if (!a.matches(':hover'))
  49.     return;
  50.   if (!isPopupStyled) {
  51.     isPopupStyled = true;
  52.     POPUP.style.cssText = //'all: unset;' +
  53.       'width: 18px;' +
  54.       'height: 18px;' +
  55.       'background: url("' + GM_getResourceURL('icon') + '") center no-repeat, white;' +
  56.       'background-size: 16px;' +
  57.       'opacity: 0;' +
  58.       'transition: opacity .5s;' +
  59.       'border: 1px solid #888;' +
  60.       'border-radius: 11px;' +
  61.       'z-index: 2147483647;' +
  62.       'margin-left: 0;' +
  63.       'cursor: pointer;' +
  64.       'position: absolute;'
  65.         .replace(/;/g, '!important;');
  66.   }
  67.   const linkStyle = getComputedStyle(a);
  68.   POPUP.href = a.hrefUndecloaked;
  69.   POPUP.style.opacity = '0';
  70.   POPUP.style.marginLeft = -(
  71.     (parseFloat(linkStyle.paddingRight) || 0) +
  72.     (parseFloat(linkStyle.marginRight) || 0) +
  73.     (parseFloat(linkStyle.borderRightWidth) || 0) +
  74.     Math.max(0, a.getBoundingClientRect().right + 32 - innerWidth)
  75.   ) + 'px';
  76.   setTimeout(() => (POPUP.style.opacity = '1'));
  77.   a.parentElement.insertBefore(POPUP, a.nextSibling);
  78.   POPUP.addEventListener('click', openOriginal);
  79. }
  80.  
  81. function hidePopup(a) {
  82.   if (POPUP.matches(':hover') || lastLink && lastLink.matches(':hover')) {
  83.     cancelHover.call(a);
  84.   } else if (POPUP.style.opacity === '1') {
  85.     POPUP.style.opacity = '0';
  86.     cancelHover.call(a);
  87.   } else {
  88.     lastLink = null;
  89.     POPUP.remove();
  90.   }
  91. }
  92.  
  93. function openOriginal(e) {
  94.   POPUP.href = '';
  95.   e.preventDefault();
  96.   e.stopPropagation();
  97.   e.stopImmediatePropagation();
  98.   setTimeout(() => {
  99.     lastLink.href = lastLink.hrefUndecloaked;
  100.     lastLink.dispatchEvent(new MouseEvent('click', {bubbles: true}));
  101.   });
  102. }
  103.  
  104. function decloakLink(event) {
  105.   const a = getClosestLink(event);
  106.   if (!a || a === POPUP)
  107.     return;
  108.   if (a.hrefUndecloaked)
  109.     return a;
  110.  
  111.   if (/\bthis\.href\s*=[^=]/.test(a.getAttribute('onmousedown')))
  112.     a.onmousedown = null;
  113.   if (/\bthis\.href\s*=[^=]/.test(a.getAttribute('onclick')))
  114.     a.onclick = null;
  115.  
  116.   const href = a.href.baseVal || a.href;
  117.   const m = href.match(/[=?/]((ftps?|https?)((:|%3[Aa])\/\/[^+&]+|%3[Aa]%2[Ff]%2[Ff][^+&/]+))/);
  118.   if (!m ||
  119.       a.hostname === 'disqus.com' && a.pathname.startsWith('/embed/comments/')) {
  120.     return;
  121.   }
  122.  
  123.   let realUrl = decodeURIComponent(m[1]);
  124.   if (a.hostname === 'disq.us' &&
  125.       realUrl.lastIndexOf(':') !== realUrl.indexOf(':')) {
  126.     realUrl = realUrl.substr(0, realUrl.lastIndexOf(':'));
  127.   }
  128.  
  129.   if (new URL(realUrl).hostname === a.hostname ||
  130.       href.match(/[?&=/]\w*([Ss]ign|[Ll]og)[io]n/)) {
  131.     console.debug('Decloak skipped: assumed a login redirection.');
  132.     return;
  133.   }
  134.  
  135.   a.hrefUndecloaked = href;
  136.   a.setAttribute('href', realUrl);
  137.   a.rel = 'external noreferrer nofollow noopener';
  138.   return a;
  139. }
  140.  
  141. function getClosestLink(event) {
  142.   const a = event.composedPath
  143.     ? event.composedPath().find(el => el.tagName === 'A')
  144.     : event.target.closest('a');
  145.   return a && /^(f|ht)tps?:/.test(a.getAttribute('href')) && a;
  146. }