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Telegram 受限图片视频下载器 (批量支持)

批量下载禁止保存的Telegram频道内容

当前为 2025-04-03 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Telegram Media Downloader (Batch Support)
  3. // @name:en      Telegram Media Downloader (Batch Support)
  4. // @name:zh-CN   Telegram 受限图片视频下载器 (批量支持)
  5. // @name:zh-TW   Telegram 受限圖片影片下載器 (批次支援)
  6. // @name:ru      Telegram: загрузчик медиафайлов (пакетная загрузка)
  7. // @version      1.207
  8. // @namespace    https://github.com/Neet-Nestor/Telegram-Media-Downloader
  9. // @description  Enhanced version with batch download support for restricted Telegram content
  10. // @description:en  Download multiple images/videos at once from restricted Telegram channels
  11. // @description:ru Пакетная загрузка медиафайлов из закрытых Telegram-каналов
  12. // @description:zh-CN 批量下载禁止保存的Telegram频道内容
  13. // @description:zh-TW 批次下載禁止儲存的 Telegram 頻道內容
  14. // @author       Nestor Qin + Modifications
  15. // @license      GNU GPLv3
  16. // @website      https://github.com/Neet-Nestor/Telegram-Media-Downloader
  17. // @match        https://web.telegram.org/*
  18. // @match        https://webk.telegram.org/*
  19. // @match        https://webz.telegram.org/*
  20. // @icon         https://img.icons8.com/color/452/telegram-app--v5.png
  21. // @grant        GM_download
  22. // @grant        GM_xmlhttpRequest
  23. // ==/UserScript==
  24.  
  25. (function() {
  26.     'use strict';
  27.     
  28.     // Existing logger and constants remain unchanged
  29.     const logger = { /* ... original logger code ... */ };
  30.     const contentRangeRegex = /^bytes (\d+)-(\d+)\/(\d+)$/;
  31.     const REFRESH_DELAY = 500;
  32.     const hashCode = s => { /* ... original hash code ... */ };
  33.  
  34.     // Batch Download System
  35.     const batchManager = {
  36.         queue: new Map(),
  37.         isProcessing: false,
  38.         
  39.         addToQueue: function(url, type, element) {
  40.             this.queue.set(url, { type, element });
  41.             element.classList.add('tel-batch-selected');
  42.         },
  43.         
  44.         removeFromQueue: function(url) {
  45.             this.queue.delete(url);
  46.         },
  47.         
  48.         processQueue: async function() {
  49.             this.isProcessing = true;
  50.             const batchSize = this.queue.size;
  51.             
  52.             for (const [url, {type, element}] of this.queue) {
  53.                 try {
  54.                     await new Promise((resolve, reject) => {
  55.                         setTimeout(() => {
  56.                             try {
  57.                                 switch(type) {
  58.                                     case 'video': tel_download_video(url); break;
  59.                                     case 'audio': tel_download_audio(url); break;
  60.                                     case 'image': tel_download_image(url); break;
  61.                                 }
  62.                                 resolve();
  63.                             } catch(e) {
  64.                                 reject(e);
  65.                             }
  66.                         }, 1000);
  67.                     });
  68.                     element.classList.remove('tel-batch-selected');
  69.                 } catch(e) {
  70.                     logger.error(`Batch failed for ${url}: ${e.message}`);
  71.                 }
  72.             }
  73.             
  74.             this.queue.clear();
  75.             this.isProcessing = false;
  76.         }
  77.     };
  78.  
  79.     // Batch UI Elements
  80.     const createBatchUI = () => {
  81.         const existingButton = document.getElementById('tel-batch-download');
  82.         if (!existingButton) {
  83.             const batchButton = document.createElement('button');
  84.             batchButton.id = 'tel-batch-download';
  85.             batchButton.textContent = `Batch Download (${batchManager.queue.size})`;
  86.             Object.assign(batchButton.style, {
  87.                 position: 'fixed',
  88.                 bottom: '20px',
  89.                 right: '20px',
  90.                 zIndex: '99999',
  91.                 padding: '10px 20px',
  92.                 backgroundColor: '#0088cc',
  93.                 color: 'white',
  94.                 border: 'none',
  95.                 borderRadius: '5px',
  96.                 cursor: 'pointer'
  97.             });
  98.             
  99.             batchButton.addEventListener('click', () => {
  100.                 if (!batchManager.isProcessing && batchManager.queue.size > 0) {
  101.                     batchButton.textContent = 'Processing...';
  102.                     batchManager.processQueue().finally(() => {
  103.                         batchButton.textContent = 'Batch Download (0)';
  104.                     });
  105.                 }
  106.             });
  107.             
  108.             document.body.appendChild(batchButton);
  109.         }
  110.     };
  111.  
  112.     // Modified media injection with checkboxes
  113.     const injectMediaElements = (mediaElements, mediaType) => {
  114.         mediaElements.forEach(element => {
  115.             if (element.querySelector('.tel-batch-checkbox')) return;
  116.             
  117.             const url = element.querySelector('video,img,audio')?.src;
  118.             if (!url) return;
  119.  
  120.             const checkbox = document.createElement('input');
  121.             checkbox.type = 'checkbox';
  122.             checkbox.className = 'tel-batch-checkbox';
  123.             Object.assign(checkbox.style, {
  124.                 position: 'absolute',
  125.                 top: '5px',
  126.                 left: '5px',
  127.                 zIndex: '1000',
  128.                 width: '18px',
  129.                 height: '18px'
  130.             });
  131.  
  132.             checkbox.addEventListener('change', (e) => {
  133.                 if (e.target.checked) {
  134.                     batchManager.addToQueue(url, mediaType, element);
  135.                 } else {
  136.                     batchManager.removeFromQueue(url);
  137.                 }
  138.                 document.getElementById('tel-batch-download').textContent = 
  139.                     `Batch Download (${batchManager.queue.size})`;
  140.             });
  141.  
  142.             element.style.position = 'relative';
  143.             element.appendChild(checkbox);
  144.         });
  145.     };
  146.  
  147.     // Modified interval handlers
  148.     const createMediaHandlers = () => {
  149.         // Original media detection code modified to include batch checkboxes
  150.         setInterval(() => {
  151.             // Video elements
  152.             const videoElements = document.querySelectorAll('.VideoPlayer, video');
  153.             injectMediaElements(videoElements, 'video');
  154.  
  155.             // Image elements
  156.             const imageElements = document.querySelectorAll('img.PVZ8TOWS, img.media-photo');
  157.             injectMediaElements(imageElements, 'image');
  158.  
  159.             // Audio elements
  160.             const audioElements = document.querySelectorAll('audio-element, audio');
  161.             injectMediaElements(audioElements, 'audio');
  162.  
  163.             createBatchUI();
  164.         }, REFRESH_DELAY);
  165.     };
  166.  
  167.     // Existing progress bar setup remains unchanged
  168.     const setupProgressBar = () => { /* ... original progress bar code ... */ };
  169.  
  170.     // Original download functions remain unchanged
  171.     const tel_download_video = url => { /* ... original video download ... */ };
  172.     const tel_download_audio = url => { /* ... original audio download ... */ };
  173.     const tel_download_image = url => { /* ... original image download ... */ };
  174.  
  175.     // Initialization
  176.     (function init() {
  177.         setupProgressBar();
  178.         createMediaHandlers();
  179.         logger.info('Batch download system initialized');
  180.     })();
  181.  
  182. })();