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URL 자동 디코딩

base64로 인코딩된 URL를 자동으로 디코딩하여 링크로 연결해줍니다. (구글, 네이버, 다음 지원)

  1. // ==UserScript==
  2. // @name         URL 자동 디코딩
  3. // @namespace    http://tampermonkey.net/
  4. // @version      0.1
  5. // @description  base64로 인코딩된 URL를 자동으로 디코딩하여 링크로 연결해줍니다. (구글, 네이버, 다음 지원)
  6. // @author       You
  7. // @match        https://www.google.com/search*
  8. // @match        https://search.naver.com/search*
  9. // @match        https://search.daum.net/search*
  10. // @grant        none
  11. // @noframes
  12. // @run-at       document-end
  13. // ==/UserScript==
  14.  
  15. (function () {
  16.     'use strict';
  17.  
  18.     if (window.hasRun) return;
  19.     window.hasRun = true;
  20.  
  21.     const searchParamMap = {
  22.         'google.com': 'q',
  23.         'naver.com': 'query',
  24.         'daum.net': 'q',
  25.     };
  26.  
  27.     function getSearchQuery() {
  28.         try {
  29.             const urlParams = new URLSearchParams(window.location.search);
  30.             const hostname = window.location.hostname;
  31.  
  32.             let paramKey = null;
  33.             for (const [domain, param] of Object.entries(searchParamMap)) {
  34.                 if (hostname.includes(domain)) {
  35.                     paramKey = param;
  36.                     break;
  37.                 }
  38.             }
  39.  
  40.             if (!paramKey) return null;
  41.  
  42.             let query = urlParams.get(paramKey);
  43.             if (!query) return null;
  44.  
  45.             return query;
  46.         } catch (error) {
  47.             console.log('Error in getSearchQuery:', error);
  48.             return null;
  49.         }
  50.     }
  51.  
  52.     function main() {
  53.         const searchQuery = getSearchQuery();
  54.         if (!searchQuery || searchQuery.startsWith('.')) return;
  55.  
  56.         let normalizedQuery = searchQuery
  57.             .replace(/-/g, '+')
  58.             .replace(/_/g, '/')
  59.             .replace(/[^A-Za-z0-9+/=]/g, '');
  60.  
  61.         while (normalizedQuery.length % 4) {
  62.             normalizedQuery += '=';
  63.         }
  64.  
  65.         try {
  66.             const decoded = atob(normalizedQuery);
  67.             if (!decoded) return;
  68.  
  69.             try {
  70.                 const url = new URL(decoded);
  71.                 if (url.protocol === 'http:' || url.protocol === 'https:') {
  72.                     console.log('Redirecting to:', url.href);
  73.                     setTimeout(() => {
  74.                         window.location.href = url.href;
  75.                     }, 100);
  76.                 }
  77.             } catch (e) {
  78.                 console.log('Invalid URL:', decoded);
  79.             }
  80.         } catch (error) {
  81.             console.log('Base64 디코딩 실패:', error);
  82.         }
  83.     }
  84.  
  85.     setTimeout(main, 500);
  86. })();