☰

SSL Accelerator

Speculatively performs SSL/TLS handshakes for hovered links to speed up browsing.

当前为 2014-08-22 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name           SSL Accelerator
  3. // @description    Speculatively performs SSL/TLS handshakes for hovered links to speed up browsing.
  4. // @author         Anon
  5. // @version        0.1.0
  6. // @license        Public domain
  7. // @include        *
  8. // @require        https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js
  9. // @require        https://cdnjs.cloudflare.com/ajax/libs/URI.js/1.11.2/URI.min.js
  10. // @grant          GM_xmlhttpRequest
  11. // @grant          GM_log
  12. // @namespace      https://greasyfork.org/users/4614
  13. // ==/UserScript==
  14.  
  15. var alreadyHandshakedWith = {};
  16.  
  17. var handshakeStartDelayTimerID = 0;
  18. var currentRequest = null;
  19.  
  20. var currentHostname = (new URI(window.location.href)).hostname();
  21.  
  22. $("body").on("mouseenter", "a", function (e)
  23. {
  24. 	var targetURI = new URI(e.target.href);
  25. 	var targetProtocol = targetURI.protocol();
  26. 	var targetHostname = targetURI.hostname();
  27. 	
  28. 	if (targetProtocol != "https" ||  
  29. 		targetHostname == currentHostname)
  30. 	{
  31. 		return;
  32. 	}
  33. 	
  34. 	if (alreadyHandshakedWith[targetHostname])
  35. 	{
  36. 		GM_log("Already handshaked with " + targetHostname);
  37. 		return;
  38. 	}
  39.  
  40. 	clearTimeout(handshakeStartDelayTimerID);
  41. 	
  42. 	handshakeStartDelayTimerID = setTimeout(function ()
  43. 	{
  44. 		GM_log("Handshaking with \"" + targetHostname + "\"..");
  45. 		
  46. 		currentRequest = GM_xmlhttpRequest({
  47. 		
  48. 			method: "HEAD", 
  49. 			
  50. 			url: "https://" + targetHostname, 
  51. 			
  52. 			onload: function() 
  53. 			{
  54. 				GM_log("Successfuly handshaked with \"" + targetHostname + "\".");
  55. 				
  56. 				currentRequest = null;
  57. 			},
  58. 			});
  59. 		
  60. 		alreadyHandshakedWith[targetHostname] = true;
  61. 	}, 100);
  62. });
  63.  
  64. $("body").on("mouseout", "a", function (e)
  65. {
  66. 	clearTimeout(handshakeStartDelayTimerID);
  67. });