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Wayback Machine Favicon Fixer

Attempts to add a favicon to a site crawled by the Wayback Machine in the event one does not come up normally

  1. // ==UserScript==
  2. // @name          Wayback Machine Favicon Fixer
  3. // @namespace     DoomTay
  4. // @description   Attempts to add a favicon to a site crawled by the Wayback Machine in the event one does not come up normally
  5. // @version       1.3.0
  6. // @include       http://web.archive.org/web/*
  7. // @include       http://wayback.archive.org/web/*
  8. // @include       https://web.archive.org/web/*
  9. // @include       https://wayback.archive.org/web/*
  10. // @exclude       /\*/
  11. // @grant         GM_addElement
  12. // @noframes
  13.  
  14. // ==/UserScript==
  15.  
  16. var timestamp = /web\/(\d{1,14})/.exec(window.location.href)[1];
  17.  
  18. var originalDomain = /.+web\/\d+(?:[a-z][a-z]_)?\/((?:https?:\/\/)?[^\/]+)/.exec(window.location.href)[1];
  19.  
  20. if(!originalDomain.endsWith("/")) originalDomain = originalDomain + "/";
  21.  
  22. if(!document.querySelector("link[rel~='icon']") && document.contentType == "text/html") retrieveFavicon();
  23.  
  24. function retrieveFavicon()
  25. {
  26. 	fetch("https://archive.org/wayback/available?url=" + encodeURIComponent(originalDomain + "favicon.ico") + "&timestamp=" + timestamp).then(result => result.json()).then(function(data)
  27. 	{
  28. 		if(data.archived_snapshots && data.archived_snapshots.closest && data.archived_snapshots.closest.available)
  29. 		{
  30. 			GM_addElement("link",
  31. 						  {type: "image/x-icon",
  32. 						  rel: "shortcut icon",
  33. 						  href: data.archived_snapshots.closest.url.replace("http:","https:").replace("/ht","mp_/ht")
  34. 			});
  35. 		}
  36. 	})
  37. }