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Redirect old Nexus Mods links

Redirects old and broken links from Nexus Mods to the new links

  1. // ==UserScript==
  2. // @name Redirect old Nexus Mods links
  3. // @description Redirects old and broken links from Nexus Mods to the new links
  4. // @version 0.2.2
  5. // @namespace Violentmonkey Scripts
  6. // @match https://*.nexusmods.com/*
  7. // @grant none
  8. // @run-at document-start
  9. // ==/UserScript==
  10.  
  11. (function() {
  12.     var href = document.location.href;
  13.     var oldhref = href;
  14.     
  15.     function replacelink(href) {
  16.         var match;
  17.         // http://www.newvegasnexus.com/downloads/file.php?id=36902
  18.         match = href.match(/:\/\/(?:www\.)?([a-z0-9]+)nexus\.com\//);
  19.         if (match) {
  20.             href = href.replace(/:\/\/[^/]*\//, "://" + match[1] + ".nexusmods.com/");
  21.         }
  22.  
  23.         match = href.match(/:\/\/([a-z0-9]+)\.nexusmods\.com\/mods\//);
  24.         if (match) {
  25.             // https://staticdelivery.nexusmods.com/mods/110/images/98548/98548-1562953001-1271923712.jpeg
  26.             if (match[1].startsWith("static"))
  27.                 return href;
  28.             href = href.replace(/:\/\/[^/]*\/mods\//, "://www.nexusmods.com/" + match[1] + "/mods/");
  29.         }
  30.         match = href.match(/:\/\/([a-z0-9]+)\.nexusmods\.com\/downloads\/+file\.php.*?[?^]id=([0-9]+)/);
  31.         if (match) {
  32.             href = href.replace(/:\/\/[^/]*\/.*/, "://www.nexusmods.com/" + match[1] + "/mods/" + match[2]);
  33.         }
  34.         match = href.match(/(:\/\/(?:www\.)?nexusmods\.com\/[^/]*)\/+downloads\/+file\.php.*?[?^]id=([0-9]+)/);
  35.         if (match) {
  36.             href = href.replace(/:\/\/[^/]*\/.*/, match[1] + "/mods/" + match[2] + "?tab=files");
  37.         }
  38.         
  39.         return href;
  40.     }
  41.     
  42.     href = replacelink(href);
  43.     if (href !== oldhref) {
  44.         document.location = href;
  45.         return;
  46.     }
  47.     
  48.     function onload(cb) {
  49.         if (document.readyState === "complete") {
  50.             cb();
  51.         } else {
  52.             var state_cb = function() {
  53.                 if (document.readyState === "complete") {
  54.                     cb();
  55.  
  56.                     document.removeEventListener("readystatechange", state_cb);
  57.                 }
  58.             };
  59.  
  60.             document.addEventListener("readystatechange", state_cb);
  61.         }
  62.     }
  63.     
  64.     onload(function() {
  65.         // Replace all links too (newvegasnexus etc. is auto-redirected, so the links themselves have to be modified)
  66.         function replaceel(el) {
  67.             if (!el)
  68.                 return;
  69.             
  70.             if (el.href && typeof el.href === "string") {
  71.                 var href = replacelink(el.href);
  72.                 if (href !== el.href)
  73.                     el.href = href;
  74.             }
  75.  
  76.             if (!el.childNodes || el.childNodes.length === 0) {
  77.                 var html;
  78.                 if ("innerHTML" in el) {
  79.                     html = el.innerHTML;
  80.                 } else if ("data" in el) {
  81.                     html = el.nodeValue;
  82.                 } else {
  83.                     return;
  84.                 }
  85.  
  86.                 var changed = false;
  87.                 var match = html.match(/(https?:\/\/[^\s"'<>]*)/g);
  88.                 if (!match)
  89.                     return;
  90.                 for (var i = 0; i < match.length; i++) {
  91.                     var newhref = replacelink(match[i]);
  92.                     if (newhref !== match[i]) {
  93.                         html = html.split(match[i]).join(newhref);
  94.                         changed = true;
  95.                     }
  96.                 }
  97.                 
  98.                 if (changed) {
  99.                     if ("innerHTML" in el) {
  100.                         el.innerHTML = html;
  101.                     } else if ("data" in el) {
  102.                         el.nodeValue = html;
  103.                     }
  104.                 }
  105.             } else if (el.childNodes && el.childNodes.length > 0) {
  106.                 for (var i = 0; i < el.childNodes.length; i++) {
  107.                     if (el.childNodes[i].nodeName === "#text") {
  108.                         replaceel(el.childNodes[i]);
  109.                     }
  110.                 }
  111.             }
  112.         }
  113.         
  114.         var els = document.querySelectorAll("*");
  115.         for (var i = 0; i < els.length; i++) {
  116.             replaceel(els[i]);
  117.         }
  118.         
  119.         var observer = new MutationObserver(function(mutations, observer) {
  120.             for (var i = 0; i < mutations.length; i++) {
  121.                 if (mutations[i].addedNodes) {
  122.                     for (var x = 0; x < mutations[i].addedNodes.length; x++) {
  123.                         replaceel(mutations[i].addedNodes[x]);
  124.                     }
  125.                 }
  126.             }
  127.         });
  128.         observer.observe(document, {childList: true, subtree: true});
  129.     });
  130. })();

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