☰

Desu Image Downloader

Download images with original filenames on desuarchive.org, archive.palanq.win, and add download button to direct image pages

当前为 2024-08-11 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Desu Image Downloader
  3. // @version      1.20
  4. // @description  Download images with original filenames on desuarchive.org, archive.palanq.win, and add download button to direct image pages
  5. // @author       Anonimas
  6. // @match        https://desuarchive.org/*
  7. // @match        https://desu-usergeneratedcontent.xyz/*
  8. // @match        https://archive.palanq.win/*
  9. // @match        https://archive-media.palanq.win/*
  10. // @grant        GM_download
  11. // @grant        GM_addStyle
  12. // @namespace https://greasyfork.org/users/1342214
  13. // ==/UserScript==
  14.  
  15. (function() {
  16.     'use strict';
  17.  
  18.     GM_addStyle(`
  19.         #download-button {
  20.             position: fixed;
  21.             bottom: 20px;
  22.             right: 20px;
  23.             background-color: rgba(0, 0, 0, 0.5);
  24.             color: white;
  25.             border: none;
  26.             border-radius: 5px;
  27.             padding: 10px 20px;
  28.             cursor: pointer;
  29.             font-size: 16px;
  30.             transition: background-color 0.3s;
  31.             text-decoration: none;
  32.             font-family: Arial, sans-serif;
  33.         }
  34.         #download-button:hover {
  35.             background-color: rgba(0, 0, 0, 0.7);
  36.         }
  37.     `);
  38.  
  39.     function getFullFilename(element) {
  40.         return element.getAttribute('title') || element.textContent.trim();
  41.     }
  42.  
  43.     function appendFilenameToUrl(url, filename) {
  44.         return `${url}?filename=${encodeURIComponent(filename)}`;
  45.     }
  46.  
  47.     function downloadImage(imageUrl, originalFilename) {
  48.         if (imageUrl && originalFilename) {
  49.             GM_download({
  50.                 url: imageUrl,
  51.                 name: originalFilename,
  52.                 onload: () => {},
  53.                 onerror: (error) => console.error('Download error:', error)
  54.             });
  55.         }
  56.     }
  57.  
  58.     function handleImageClick(event) {
  59.         event.preventDefault();
  60.         const imageLink = event.target.closest('a[href*="//desu-usergeneratedcontent.xyz/"], a[href*="//archive-media.palanq.win/"]');
  61.         if (!imageLink) return;
  62.  
  63.         const imageUrl = imageLink.href;
  64.         let filenameElement = imageLink.closest('div.post_file, article.thread, article.post')?.querySelector('a.post_file_filename');
  65.         if (!filenameElement) return;
  66.  
  67.         const originalFilename = getFullFilename(filenameElement);
  68.  
  69.         const newUrl = appendFilenameToUrl(imageUrl, originalFilename);
  70.         window.open(newUrl, '_blank');
  71.     }
  72.  
  73.     function addDownloadButtonToImagePage() {
  74.         if (window.location.hostname === 'desu-usergeneratedcontent.xyz' || window.location.hostname === 'archive-media.palanq.win') {
  75.             const button = document.createElement('a');
  76.             button.id = 'download-button';
  77.             button.textContent = 'Download';
  78.  
  79.             const imageUrl = window.location.href;
  80.  
  81.             const urlParams = new URLSearchParams(window.location.search);
  82.             const originalFilename = urlParams.get('filename') || extractFilenameFromUrl(imageUrl);
  83.  
  84.             button.href = imageUrl;
  85.             button.download = originalFilename;
  86.  
  87.             document.body.appendChild(button);
  88.         }
  89.     }
  90.  
  91.     function extractFilenameFromUrl(url) {
  92.         return url.substring(url.lastIndexOf('/') + 1);
  93.     }
  94.  
  95.     if (window.location.hostname === 'desuarchive.org' || window.location.hostname === 'archive.palanq.win') {
  96.         document.querySelectorAll('a.post_file_filename').forEach(link => {
  97.             link.addEventListener('click', event => {
  98.                 event.preventDefault();
  99.                 const imageUrl = link.closest('a').href;
  100.                 const originalFilename = getFullFilename(link);
  101.                 downloadImage(imageUrl, originalFilename);
  102.             });
  103.         });
  104.  
  105.         document.querySelectorAll('a[href*="//desu-usergeneratedcontent.xyz/"] i.icon-download-alt, a[href*="//archive-media.palanq.win/"] i.icon-download-alt').forEach(button => {
  106.             button.closest('a').addEventListener('click', event => {
  107.                 event.preventDefault();
  108.                 const imageUrl = button.closest('a').href;
  109.                 let filenameElement = button.closest('div.post_file, article.thread, article.post')?.querySelector('a.post_file_filename');
  110.                 if (!filenameElement) return;
  111.  
  112.                 const originalFilename = getFullFilename(filenameElement);
  113.                 downloadImage(imageUrl, originalFilename);
  114.             });
  115.         });
  116.  
  117.         document.querySelectorAll('a[href*="//desu-usergeneratedcontent.xyz/"] img, a[href*="//archive-media.palanq.win/"] img').forEach(image => {
  118.             image.closest('a').addEventListener('click', handleImageClick);
  119.         });
  120.     }
  121.  
  122.     addDownloadButtonToImagePage();
  123. })();