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MRM Downloader

Download video and bulk images from myreadingmanga manga/doujin page.

当前为 2024-11-27 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         MRM Downloader
  3. // @namespace    https://nyt92.eu.org
  4. // @version      2024-11-21
  5. // @description  Download video and bulk images from myreadingmanga manga/doujin page.
  6. // @author       nyt92
  7. // @match        https://myreadingmanga.info/*
  8. // @exclude      https://myreadingmanga.info/about/
  9. // @exclude      https://myreadingmanga.info/cats/*
  10. // @exclude      https://myreadingmanga.info/pairing/*
  11. // @exclude      https://myreadingmanga.info/group/*
  12. // @exclude      https://myreadingmanga.info/privacy-policy/
  13. // @exclude      https://myreadingmanga.info/dmca-notice/
  14. // @exclude      https://myreadingmanga.info/contact/
  15. // @exclude      https://myreadingmanga.info/terms-service/
  16. // @exclude      https://myreadingmanga.info/sitemap/
  17. // @exclude      https://myreadingmanga.info/my-bookmark/
  18. // @exclude      https://myreadingmanga.info/tag/*
  19. // @exclude      https://myreadingmanga.info/genre/*
  20. // @exclude      https://myreadingmanga.info/status/*
  21. // @exclude      https://myreadingmanga.info/lang/*
  22. // @exclude      https://myreadingmanga.info/yaoi-manga/*
  23. // @exclude      https://myreadingmanga.info/manhwa/*
  24. // @supportURL   https://gist.github.com/NYT92/1247c6421ad95bfc2a0b10d912fb56f0
  25. // @icon         https://www.google.com/s2/favicons?sz=64&domain=myreadingmanga.info
  26. // @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.7.1/jszip.min.js
  27. // @require      https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js
  28. // @grant        GM_cookie
  29. // @grant        GM_xmlhttpRequest
  30. // @license      GPLv3
  31. // ==/UserScript==
  32.  
  33. // THIS USERSCRIPT IS LICENSE UNDER THE GPLv3 License
  34.  
  35. (function() {
  36.     'use strict';
  37.     const title = document.querySelector('.entry-header h1.entry-title')?.textContent.trim() || 'Untitled';
  38.  
  39.     const imageDlBtn = document.createElement('button');
  40.     imageDlBtn.id = 'downloadImagesBtn';
  41.     imageDlBtn.textContent = 'Download Images (.zip)';
  42.     imageDlBtn.style.cssText = 'position: fixed; top: 10px; right: 10px; z-index: 9999;';
  43.  
  44.     const videoDlBtn = document.createElement('button');
  45.     videoDlBtn.id = 'downloadVideoBtn';
  46.     videoDlBtn.textContent = 'Download Video';
  47.     videoDlBtn.style.cssText = 'position: fixed; top: 10px; right: 10px; z-index: 9999;';
  48.  
  49.     const progressBar = document.createElement('div');
  50.     progressBar.id = 'downloadProgress';
  51.     progressBar.style.cssText = 'position: fixed; top:80px; right: 10px; width: 235px; right: 10px; height: 20px; background-color: #f0f0f0; display: none; z-index: 9999;';
  52.  
  53.     const progressInner = document.createElement('div');
  54.     progressInner.style.cssText = 'width: 0%; height: 100%; background-color: #4CAF50; transition: width 0.5s;';
  55.     progressBar.appendChild(progressInner);
  56.  
  57.     const progressText = document.createElement('div');
  58.     progressText.style.cssText = 'position: fixed; top: 105px; right: 10px; z-index: 9999; display: none;';
  59.     progressText.textContent = 'Preparing download...';
  60.  
  61.     const checkIfVid = document.querySelector(".entry-categories a");
  62.  
  63.     if (!checkIfVid) {
  64.         console.log("no media found!")
  65.     } else if (checkIfVid.textContent.includes("Video")) {
  66.         document.body.appendChild(videoDlBtn);
  67.     } else {
  68.         document.body.appendChild(imageDlBtn);
  69.     }
  70.     document.body.appendChild(progressBar);
  71.     document.body.appendChild(progressText);
  72.  
  73.     imageDlBtn.addEventListener('click', function() {
  74.         imageDlBtn.disabled = true;
  75.         imageDlBtn.textContent = 'Downloading...';
  76.  
  77.         const images = document.querySelectorAll('.img-myreadingmanga');
  78.  
  79.         let imageSources = [];
  80.  
  81.         imageSources = Array.from(images).map(img => img.dataset.src).filter(Boolean);
  82.  
  83.         if (imageSources.length === 0) {
  84.             imageSources = Array.from(images).map(img => img.src).filter(Boolean);
  85.         }
  86.  
  87.         if (imageSources.length === 0) {
  88.             const nestedImages = document.querySelectorAll('.img-myreadingmanga img');
  89.             imageSources = Array.from(nestedImages).map(img => img.src || img.dataset.src).filter(Boolean);
  90.         }
  91.  
  92.         if (imageSources.length === 0) {
  93.             alert("No images found on this page. Check the console for debugging information.");
  94.             imageDlBtn.disabled = false;
  95.             imageDlBtn.textContent = 'Download Images (.zip)';
  96.             return;
  97.         }
  98.  
  99.         const pageElement = document.querySelector('.post-page-numbers.current');
  100.         const page = pageElement ? pageElement.textContent.trim() : '1';
  101.  
  102.         const zip = new JSZip();
  103.  
  104.         progressBar.style.display = 'block';
  105.         progressText.style.display = 'block';
  106.         progressInner.style.width = '0%';
  107.  
  108.         function getExtensionFromMimeType(mimeType) {
  109.             const mimeToExt = {
  110.                 'image/jpeg': 'jpg',
  111.                 'image/png': 'png',
  112.                 'image/gif': 'gif',
  113.                 'image/webp': 'webp'
  114.             };
  115.             return mimeToExt[mimeType] || 'jpg';
  116.         }
  117.  
  118.         function addImageToZip(src, index) {
  119.             return new Promise((resolve, reject) => {
  120.                 progressText.textContent = `Downloading image ${index + 1} of ${imageSources.length}...`;
  121.                 GM_xmlhttpRequest({
  122.                     method: "GET",
  123.                     url: src,
  124.                     responseType: "arraybuffer",
  125.                     onload: function(response) {
  126.                         try {
  127.                             const arrayBuffer = response.response;
  128.                             const byteArray = new Uint8Array(arrayBuffer);
  129.                             const blob = new Blob([byteArray], {type: response.responseHeaders.match(/Content-Type: (.*)/i)[1]});
  130.                             const ext = getExtensionFromMimeType(blob.type);
  131.                             const fileName = `image_${index + 1}.${ext}`;
  132.                             zip.file(fileName, blob, {binary: true});
  133.                             console.log(`Added ${fileName} to ZIP (${blob.size} bytes, type: ${blob.type})`);
  134.                             const progress = ((index + 1) / imageSources.length) * 100;
  135.                             progressInner.style.width = `${progress}%`;
  136.                             resolve();
  137.                         } catch (error) {
  138.                             console.error(`Error processing ${src}:`, error);
  139.                             reject(error);
  140.                         }
  141.                     },
  142.                     onerror: function(error) {
  143.                         console.error(`Error fetching ${src}:`, error);
  144.                         reject(error);
  145.                     }
  146.                 });
  147.             });
  148.         }
  149.  
  150.         Promise.all(imageSources.map(addImageToZip))
  151.             .then(() => {
  152.             progressText.textContent = 'Creating ZIP file...';
  153.             return zip.generateAsync({type: "blob"});
  154.         })
  155.             .then(function(content) {
  156.             const safeTitle = title.replace(/[^a-z0-9]/gi, '_').toLowerCase();
  157.             const fileName = `${safeTitle}_ch${page}.zip`;
  158.             saveAs(content, fileName);
  159.             console.log("ZIP file saved successfully");
  160.             progressBar.style.display = 'none';
  161.             progressText.style.display = 'none';
  162.             imageDlBtn.disabled = false;
  163.             imageDlBtn.textContent = 'Download Images (.zip)';
  164.         })
  165.             .catch(error => {
  166.             console.error("Error creating ZIP file:", error);
  167.             alert("An error occurred while creating the ZIP file. Please check the console for details.");
  168.             progressBar.style.display = 'none';
  169.             progressText.style.display = 'none';
  170.             imageDlBtn.disabled = false;
  171.             imageDlBtn.textContent = 'Download Images (.zip)';
  172.         });
  173.     });
  174.     videoDlBtn.addEventListener('click', function() {
  175.         videoDlBtn.disabled = true;
  176.         videoDlBtn.textContent = 'Downloading...';
  177.  
  178.         const videoElement = document.querySelector("#MRM_video > video > source");
  179.         if (!videoElement) {
  180.             alert("No video found on this page.");
  181.             videoDlBtn.disabled = false;
  182.             videoDlBtn.textContent = 'Download Video';
  183.             return;
  184.         }
  185.  
  186.         const videoSrc = videoElement.src;
  187.         if (!videoSrc) {
  188.             alert("Unable to find video source.");
  189.             videoDlBtn.disabled = false;
  190.             videoDlBtn.textContent = 'Download Video';
  191.             return;
  192.         }
  193.  
  194.         progressBar.style.display = 'block';
  195.         progressText.style.display = 'block';
  196.         progressText.textContent = 'Starting video download...';
  197.         progressInner.style.width = '0%';
  198.  
  199.         GM_xmlhttpRequest({
  200.             method: "GET",
  201.             url: videoSrc,
  202.             responseType: "arraybuffer",
  203.             onprogress: function(progress) {
  204.                 if (progress.lengthComputable) {
  205.                     const percentComplete = (progress.loaded / progress.total) * 100;
  206.                     progressInner.style.width = percentComplete + '%';
  207.                     const downloadedMB = (progress.loaded / (1024 * 1024)).toFixed(2);
  208.                     const totalMB = (progress.total / (1024 * 1024)).toFixed(2);
  209.                     progressText.textContent = `Downloaded: ${downloadedMB}MB / ${totalMB}MB`;
  210.                 }
  211.             },
  212.             onload: function(response) {
  213.                 const blob = new Blob([response.response], {type: 'video/mp4'});
  214.                 const safeTitle = title.replace(/[^a-z0-9]/gi, '_').toLowerCase();
  215.                 const fileName = `${safeTitle}.mp4`;
  216.                 saveAs(blob, fileName);
  217.                 console.log("Video downloaded successfully");
  218.                 progressBar.style.display = 'none';
  219.                 progressText.style.display = 'none';
  220.                 videoDlBtn.disabled = false;
  221.                 videoDlBtn.textContent = 'Download Video';
  222.             },
  223.             onerror: function(error) {
  224.                 console.error("Error downloading video:", error);
  225.                 alert("An error occurred while downloading the video. Please check the console for details.");
  226.                 progressBar.style.display = 'none';
  227.                 progressText.style.display = 'none';
  228.                 videoDlBtn.disabled = false;
  229.                 videoDlBtn.textContent = 'Download Video';
  230.             }
  231.         });
  232.     })
  233. })();