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Bing URL Decoder

Decode the Bing URLs to get the direct result page URL

目前为 2023-05-21 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @name         Bing URL Decoder
  3. // @namespace    https://github.com/Alistair1231/my-userscripts/
  4. // @version      0.2.8
  5. // @description  Decode the Bing URLs to get the direct result page URL
  6. // @author       Alistair1231
  7. // @icon         https://icons.duckduckgo.com/ip2/bing.com.ico
  8. // @grant        none
  9. // @match        https://www.bing.com/*
  10. // @license MIT
  11. // ==/UserScript==
  12. // https://greasyfork.org/en/scripts/464094-bing-url-decoder
  13.  
  14. (function () {
  15.     'use strict';
  16.     // https://stackoverflow.com/a/70429872
  17.     function unicodeBase64Decode(text){
  18.         text = text.replace(/\s+/g, '').replace(/\-/g, '+').replace(/\_/g, '/');
  19.         return decodeURIComponent(Array.prototype.map.call(window.atob(text),function(c){return'%'+('00'+c.charCodeAt(0).toString(16)).slice(-2);}).join(''));
  20.     }
  21.     
  22.  
  23.     function decodeBingUrl(url) {
  24.         const remove_alink = (x) => {
  25.             if (!x.startsWith("https://bing.com/alink/")) {
  26.                 return x;
  27.             }
  28.             const urlStartIndex = x.indexOf("url=") + 4;
  29.             const urlEndIndex = x.indexOf("&", urlStartIndex);
  30.             if (urlEndIndex === -1) {
  31.                 return x.substring(urlStartIndex);
  32.             }
  33.             return x.substring(urlStartIndex, urlEndIndex);
  34.         };
  35.  
  36.         // check if has leading "a1" characters, then Remove the leading "a1" characters from the value of the "u" parameter
  37.         var uParamValue;
  38.         // check if url.searchParams.get('u') is null and skip
  39.         if (url.searchParams.get('u') === null) {
  40.             return;
  41.         }
  42.  
  43.         url.searchParams.get('u').startsWith('a1') ? uParamValue = url.searchParams.get('u').substring(2) : uParamValue = url.searchParams.get('u')
  44.  
  45.         // Decode the URL-safe Base64-encoded value
  46.         // console.log(url.searchParams.get('u'));
  47.         // console.log(unicodeBase64Decode(uParamValue));
  48.         var base64DecodedValue = unicodeBase64Decode(uParamValue.replace(/_/g, '/').replace(/-/g, '+'));
  49.  
  50.         try {
  51.             const decodedValue = decodeURIComponent(base64DecodedValue);
  52.             return remove_alink(decodedValue);
  53.         } catch (error) {
  54.             if (error instanceof URIError) {
  55.                 return remove_alink(base64DecodedValue);
  56.             }
  57.         }
  58.  
  59.     }
  60.  
  61.     function decodeBingUrls(links) {
  62.         links.forEach(link => {
  63.             // test link.href is not undefined
  64.             if (link.href === undefined) {
  65.                 return;
  66.             }
  67.  
  68.             const decodedUrl = decodeBingUrl(new URL(link.href));
  69.             link.href = decodedUrl;
  70.         });
  71.     }
  72.  
  73.     // Decode all "u" parameters in Bing URLs on the page
  74.     const links = document.querySelectorAll('a[href*="bing.com"][href*="&u="]');
  75.     decodeBingUrls(links);
  76.  
  77.     // Use MutationObserver to detect new links added to the page
  78.     const observer = new MutationObserver(mutations => {
  79.         mutations.forEach(mutation => {
  80.             if (mutation.type === 'childList') {
  81.                 const newLinks = mutation.addedNodes;
  82.                 decodeBingUrls(newLinks);
  83.             }
  84.         });
  85.     });
  86.  
  87.     var mainContent = null; 
  88.     // if mainContent is null, wait for 1 second and try again
  89.     const loadResults = () => {
  90.         mainContent = document.getElementById('b_content');
  91.         if (mainContent === null) {
  92.             setTimeout(loadResults, 1000);
  93.         }
  94.     }
  95.     observer.observe(mainContent, { childList: true, subtree: true });
  96.  
  97. })();