☰

MRM Downloader

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

当前为 2025-01-27 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      2025-1-27
  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. // @connect      myreadingmanga.info
  25. // @connect      i1.myreadingmanga.info
  26. // @connect      i2.myreadingmanga.info
  27. // @connect      i3.myreadingmanga.info
  28. // @connect      i4.myreadingmanga.info
  29. // @connect      i5.myreadingmanga.info
  30. // @connect      i6.myreadingmanga.info
  31. // @supportURL   https://github.com/NYT92/mrm-downloader
  32. // @icon         https://www.google.com/s2/favicons?sz=64&domain=myreadingmanga.info
  33. // @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.7.1/jszip.min.js
  34. // @require      https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js
  35. // @grant        GM_xmlhttpRequest
  36. // @license      GPLv3
  37. // ==/UserScript==
  38.  
  39. // THIS USERSCRIPT IS LICENSE UNDER THE GPLv3 License
  40. (function () {
  41.   ("use strict");
  42.  
  43.   function saveCookies() {
  44.     const cookies = prompt("Please paste your cookies here:");
  45.     if (cookies) {
  46.       localStorage.setItem("mrm_cookies", cookies);
  47.       alert("Cookies saved!");
  48.       window.location.reload();
  49.     }
  50.   }
  51.  
  52.   const cookiesBtn = document.createElement("button");
  53.   cookiesBtn.id = "saveCookiesBtn";
  54.   cookiesBtn.textContent = "Load 🍪";
  55.   cookiesBtn.style.cssText =
  56.     "position: fixed; bottom: 10px; right: 10px; z-index: 9999;";
  57.   document.body.appendChild(cookiesBtn);
  58.  
  59.   cookiesBtn.addEventListener("click", saveCookies);
  60.  
  61.   const title =
  62.     document
  63.       .querySelector(".entry-header h1.entry-title")
  64.       ?.textContent.trim() || "Untitled";
  65.  
  66.   const imageDlBtn = document.createElement("button");
  67.   imageDlBtn.id = "downloadImagesBtn";
  68.   imageDlBtn.textContent = "Download Images (.zip)";
  69.   imageDlBtn.style.cssText =
  70.     "position: fixed; top: 10px; right: 10px; z-index: 9999;";
  71.  
  72.   const videoDlBtn = document.createElement("button");
  73.   videoDlBtn.id = "downloadVideoBtn";
  74.   videoDlBtn.textContent = "Download Video";
  75.   videoDlBtn.style.cssText =
  76.     "position: fixed; top: 10px; right: 10px; z-index: 9999;";
  77.  
  78.   const progressBar = document.createElement("div");
  79.   progressBar.id = "downloadProgress";
  80.   progressBar.style.cssText =
  81.     "position: fixed; top:120px; right: 10px; width: 235px; right: 10px; height: 20px; background-color: #f0f0f0; display: none; z-index: 9999;";
  82.  
  83.   const progressInner = document.createElement("div");
  84.   progressInner.style.cssText =
  85.     "width: 0%; height: 100%; background-color: #4CAF50; transition: width 0.5s;";
  86.   progressBar.appendChild(progressInner);
  87.  
  88.   const progressText = document.createElement("div");
  89.   progressText.style.cssText =
  90.     "position: fixed; top: 145px; right: 10px; z-index: 9999; display: none;";
  91.   progressText.textContent = "Preparing download...";
  92.  
  93.   const checkIfVid = document.querySelectorAll(".entry-categories a");
  94.  
  95.   if (!checkIfVid) {
  96.     console.log("no media found!");
  97.   } else if (document.querySelector("#MRM_video") !== null) {
  98.     document.body.appendChild(videoDlBtn);
  99.   } else if (document.querySelector(".img-myreadingmanga") !== null) {
  100.     document.body.appendChild(imageDlBtn);
  101.   }
  102.   document.body.appendChild(progressBar);
  103.   document.body.appendChild(progressText);
  104.  
  105.   console.log(
  106.     "Info: Cookies are required for this script to work due to browser limitations and Cloudflare protection. See https://github.com/NYT92/mrm-downloader/tree/main?tab=readme-ov-file#using-the-script for more information."
  107.   );
  108.  
  109.   const savedCookies = localStorage.getItem("mrm_cookies");
  110.  
  111.   const lastAlertTime = localStorage.getItem("mrm_last_alert");
  112.   const ONE_WEEK = 7 * 24 * 60 * 60 * 1000;
  113.  
  114.   if (!savedCookies) {
  115.     const currentTime = Date.now();
  116.     if (!lastAlertTime || currentTime - parseInt(lastAlertTime) > ONE_WEEK) {
  117.       alert(
  118.         "Please set the cookies first before downloading images. See https://github.com/NYT92/mrm-downloader/tree/main?tab=readme-ov-file#using-the-script for more information. This alert will only shown once per week"
  119.       );
  120.       localStorage.setItem("mrm_last_alert", currentTime.toString());
  121.     }
  122.     imageDlBtn.style.display = "none";
  123.     videoDlBtn.style.display = "none";
  124.     return;
  125.   }
  126.   const cookiesValue = savedCookies || "";
  127.  
  128.   imageDlBtn.addEventListener("click", function () {
  129.     imageDlBtn.disabled = true;
  130.     imageDlBtn.textContent = "Downloading...";
  131.  
  132.     const images = document.querySelectorAll(".img-myreadingmanga");
  133.  
  134.     let imageSources = [];
  135.  
  136.     imageSources = Array.from(images)
  137.       .map((img) => img.dataset.src)
  138.       .filter(Boolean);
  139.  
  140.     if (imageSources.length === 0) {
  141.       imageSources = Array.from(images)
  142.         .map((img) => img.src)
  143.         .filter(Boolean);
  144.     }
  145.  
  146.     if (imageSources.length === 0) {
  147.       const nestedImages = document.querySelectorAll(".img-myreadingmanga img");
  148.       imageSources = Array.from(nestedImages)
  149.         .map((img) => img.src || img.dataset.src)
  150.         .filter(Boolean);
  151.     }
  152.  
  153.     if (imageSources.length === 0) {
  154.       alert(
  155.         "No images found on this page. Check the console for debugging information."
  156.       );
  157.       imageDlBtn.disabled = false;
  158.       imageDlBtn.textContent = "Download Images (.zip)";
  159.       return;
  160.     }
  161.  
  162.     const pageElement = document.querySelector(".post-page-numbers.current");
  163.     const page = pageElement ? pageElement.textContent.trim() : "1";
  164.  
  165.     const zip = new JSZip();
  166.  
  167.     progressBar.style.display = "block";
  168.     progressText.style.display = "block";
  169.     progressInner.style.width = "0%";
  170.  
  171.     function getExtensionFromMimeType(mimeType) {
  172.       const mimeToExt = {
  173.         "image/jpeg": "jpg",
  174.         "image/png": "png",
  175.         "image/gif": "gif",
  176.         "image/webp": "webp",
  177.         "image/jpg": "jpg",
  178.         "text/html": "html",
  179.       };
  180.       return mimeToExt[mimeType.toLowerCase()];
  181.     }
  182.  
  183.     function addImageToZip(src, index) {
  184.       return new Promise((resolve, reject) => {
  185.         progressText.textContent = `Downloading image ${index + 1} of ${
  186.           imageSources.length
  187.         }...`;
  188.  
  189.         GM_xmlhttpRequest({
  190.           method: "GET",
  191.           url: src,
  192.           headers: {
  193.             Cookie: cookiesValue,
  194.           },
  195.           responseType: "arraybuffer",
  196.           onload: function (response) {
  197.             try {
  198.               const arrayBuffer = response.response;
  199.               const byteArray = new Uint8Array(arrayBuffer);
  200.               let mimeType = "image/jpeg";
  201.               try {
  202.                 const contentTypeMatch = response.responseHeaders.match(
  203.                   /Content-Type:\s*(\S+)/i
  204.                 );
  205.                 if (contentTypeMatch && contentTypeMatch[1]) {
  206.                   mimeType = contentTypeMatch[1];
  207.                 }
  208.               } catch (headerError) {
  209.                 console.warn(
  210.                   `Could not parse Content-Type header for ${src}:`,
  211.                   headerError
  212.                 );
  213.               }
  214.  
  215.               const blob = new Blob([byteArray], { type: mimeType });
  216.  
  217.               if (blob.type.includes("text/html")) {
  218.                 alert(
  219.                   "The script have detected the Cloudflare is blocking the page. You need to re-enter the cookies info due to Cloudflare resetting the cookies or the cookies is expired. See https://github.com/NYT92/mrm-downloader/tree/main?tab=readme-ov-file#using-the-script for more information."
  220.                 );
  221.                 reject(new Error("Invalid cookies"));
  222.                 window.location.reload();
  223.               } else {
  224.                 const ext = getExtensionFromMimeType(blob.type);
  225.                 const fileName = `image_${index + 1}.${ext}`;
  226.                 zip.file(fileName, blob, { binary: true });
  227.                 console.log(
  228.                   `Added ${fileName} to ZIP (${blob.size} bytes, type: ${blob.type})`
  229.                 );
  230.  
  231.                 const progress = ((index + 1) / imageSources.length) * 100;
  232.                 progressInner.style.width = `${progress}%`;
  233.                 resolve();
  234.               }
  235.             } catch (error) {
  236.               console.error(`Error processing ${src}:`, error);
  237.               reject(error);
  238.             }
  239.           },
  240.           onerror: function (error) {
  241.             console.error(`Error fetching ${src}:`, error);
  242.             reject(error);
  243.           },
  244.         });
  245.       });
  246.     }
  247.  
  248.     Promise.all(imageSources.map(addImageToZip))
  249.       .then(() => {
  250.         progressText.textContent = "Creating ZIP file...";
  251.         return zip.generateAsync({ type: "blob" });
  252.       })
  253.       .then(function (content) {
  254.         const safeTitle = title.replace(/[^a-z0-9]/gi, "_").toLowerCase();
  255.         const fileName = `${safeTitle}_ch${page}.zip`;
  256.         saveAs(content, fileName);
  257.         console.log("ZIP file saved successfully");
  258.         progressBar.style.display = "none";
  259.         progressText.style.display = "none";
  260.         imageDlBtn.disabled = false;
  261.         imageDlBtn.textContent = "Download Images (.zip)";
  262.       })
  263.       .catch((error) => {
  264.         console.error("Error creating ZIP file:", error);
  265.         alert(
  266.           "An error occurred while creating the ZIP file. Please check the console for details."
  267.         );
  268.         progressBar.style.display = "none";
  269.         progressText.style.display = "none";
  270.         imageDlBtn.disabled = false;
  271.         imageDlBtn.textContent = "Download Images (.zip)";
  272.       });
  273.   });
  274.  
  275.   videoDlBtn.addEventListener("click", function () {
  276.     videoDlBtn.disabled = true;
  277.     videoDlBtn.textContent = "Downloading...";
  278.  
  279.     const videoElement = document.querySelector("#MRM_video > video > source");
  280.     if (!videoElement) {
  281.       alert("No video found on this page.");
  282.       videoDlBtn.disabled = false;
  283.       videoDlBtn.textContent = "Download Video";
  284.       return;
  285.     }
  286.  
  287.     const videoSrc = videoElement.src;
  288.     if (!videoSrc) {
  289.       alert("Unable to find video source.");
  290.       videoDlBtn.disabled = false;
  291.       videoDlBtn.textContent = "Download Video";
  292.       return;
  293.     }
  294.  
  295.     progressBar.style.display = "block";
  296.     progressText.style.display = "block";
  297.     progressText.textContent = "Starting video download...";
  298.     progressInner.style.width = "0%";
  299.  
  300.     GM_xmlhttpRequest({
  301.       method: "GET",
  302.       url: videoSrc,
  303.       headers: {
  304.         Cookie: cookiesValue,
  305.       },
  306.       responseType: "arraybuffer",
  307.       onprogress: function (progress) {
  308.         if (progress.lengthComputable) {
  309.           const percentComplete = (progress.loaded / progress.total) * 100;
  310.           progressInner.style.width = percentComplete + "%";
  311.           const downloadedMB = (progress.loaded / (1024 * 1024)).toFixed(2);
  312.           const totalMB = (progress.total / (1024 * 1024)).toFixed(2);
  313.           console.log(`Downloaded: ${downloadedMB}MB / ${totalMB}MB`);
  314.           progressText.textContent = `Downloaded: ${downloadedMB}MB / ${totalMB}MB`;
  315.         }
  316.       },
  317.       onload: function (response) {
  318.         const blob = new Blob([response.response], { type: "video/mp4" });
  319.         if (new Blob([response.response]).type.includes("text/html")) {
  320.           alert(
  321.             "The script have detected the Cloudflare is blocking the page. You need to re-enter the cookies info due to Cloudflare resetting the cookies or the cookies is expired. See https://github.com/NYT92/mrm-downloader/tree/main?tab=readme-ov-file#using-the-script for more information."
  322.           );
  323.           window.location.reload();
  324.         } else {
  325.           const safeTitle = title.replace(/[^a-z0-9]/gi, "_").toLowerCase();
  326.           const fileName = `${safeTitle}.mp4`;
  327.           saveAs(blob, fileName);
  328.           console.log("Video downloaded successfully");
  329.           progressBar.style.display = "none";
  330.           progressText.style.display = "none";
  331.           videoDlBtn.disabled = false;
  332.           videoDlBtn.textContent = "Download Video";
  333.         }
  334.       },
  335.       onerror: function (error) {
  336.         console.error("Error downloading video:", error);
  337.         alert(
  338.           "An error occurred while downloading the video. Please check the console for details."
  339.         );
  340.         progressBar.style.display = "none";
  341.         progressText.style.display = "none";
  342.         videoDlBtn.disabled = false;
  343.         videoDlBtn.textContent = "Download Video";
  344.       },
  345.     });
  346.   });
  347. })();