ComicoDownloader

Manga downloader for comico.jp, comico.kr and pocketcomics.com

Versione datata 21/06/2024. Vedi la nuova versione l'ultima versione.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

You will need to install an extension such as Tampermonkey to install this script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name         ComicoDownloader
// @namespace    https://github.com/Timesient/manga-download-scripts
// @version      0.6
// @license      GPL-3.0
// @author       Timesient
// @description  Manga downloader for comico.jp, comico.kr and pocketcomics.com
// @icon         https://www.comico.jp/favicon/comico/favicon-32x32.png
// @homepageURL  https://greasyfork.org/scripts/451865-comicodownloader
// @supportURL   https://github.com/Timesient/manga-download-scripts/issues
// @match        https://www.comico.jp/*
// @match        https://www.comico.kr/*
// @match        https://www.pocketcomics.com/*
// @require      https://unpkg.com/[email protected]/dist/axios.min.js
// @require      https://unpkg.com/[email protected]/dist/jszip.min.js
// @require      https://unpkg.com/[email protected]/dist/FileSaver.min.js
// @require      https://unpkg.com/[email protected]/crypto-js.js
// @require      https://update.greasyfork.org/scripts/451810/1398192/ImageDownloaderLib.js
// @grant        GM_info
// @grant        GM_xmlhttpRequest
// ==/UserScript==

(async function (axios, JSZip, saveAs, CryptoJS, ImageDownloader) {
  'use strict';

  // determine regexp according to the host
  const re = ({
    'www.comico.jp': /https:\/\/www\.comico\.jp\/comic\/\d+\/chapter\/\d+\/.*/,
    'www.comico.kr': /https:\/\/www\.comico\.kr\/comic\/\d+\/chapter\/\d+\/.*/,
    'www.pocketcomics.com': /https:\/\/www\.pocketcomics\.com\/comic\/\d+\/chapter\/\d+\/.*/
  })[window.location.host];

  // reload page when enter or leave chapter
  const oldHref = window.location.href;
  const timer = setInterval(() => {
    const newHref = window.location.href;
    if (newHref === oldHref) return;
    if (re.test(newHref) || re.test(oldHref)) {
      clearInterval(timer);
      window.location.reload();
    }
  }, 200);

  // return if not reading chapter now
  if (!re.test(oldHref)) return;

  // collect essential parameters
  const jsFilename = await axios.get(window.location.href).then(res => res.data.match(/<script src="\/js\/(?<filename>app\.[0-9a-zA-Z]{8}\.js)"><\/script>/).groups.filename);
  const webKey = await axios.get(`${window.location.origin}/js/${jsFilename}`).then(res => (res.data).match(/String\(t\),a="(?<key>[0-9a-z]*)"/).groups.key);
  const timestamp = Math.round(Date.now() / 1000);
  const checkSum = CryptoJS.SHA256(webKey + '0.0.0.0' + timestamp).toString(CryptoJS.enc.Hex);

  // get data of current episode
  const episodeData = await axios({
    method: 'GET',
    url: `${window.location.origin.replace('www', 'api')}${window.location.pathname}`,
    withCredentials: true,
    headers: {
      'X-comico-check-sum': checkSum,
      'X-comico-client-accept-mature': 'Y',
      'X-comico-client-immutable-uid': '0.0.0.0',
      'X-comico-client-os': 'other',
      'X-comico-client-platform': 'web',
      'X-comico-client-store': 'other',
      'X-comico-request-time': timestamp,
      'X-comico-timezone-id': 'Asia/Hong_Kong'
    }
  }).then(res => res.data.data.chapter);

  // not in episode page
  if (!episodeData) return;

  // get title and url of images
  const title = episodeData.name;
  const imageURLs = episodeData.images.map(image => `${AESDecoder(image.url)}?${image.parameter}`)

  // setup ImageDownloader
  ImageDownloader.init({
    maxImageAmount: imageURLs.length,
    getImagePromises,
    title
  });

  // collect promises of image
  function getImagePromises(startNum, endNum) {
    return imageURLs
      .slice(startNum - 1, endNum)
      .map(url => getImage(url)
        .then(ImageDownloader.fulfillHandler)
        .catch(ImageDownloader.rejectHandler)
      );
  }

  // get promise of image
  function getImage(url) {
    return new Promise(resolve => {
      GM_xmlhttpRequest({
        method: 'GET',
        url,
        responseType: 'arraybuffer',
        onload: res => resolve(res.response)
      });
    });
  }

  // use for decoding encrypted url of image
  function AESDecoder(text) {
    const key = 'a7fc9dc89f2c873d79397f8a0028a4cd';
    const iv = CryptoJS.enc.Utf8.parse(CryptoJS.enc.Hex.parse(''));
    const passPhrase = CryptoJS.enc.Utf8.parse(key);
    const decrypted = CryptoJS.AES.decrypt(text, passPhrase, {
      iv,
      mode: CryptoJS.mode.CBC
    });
    return CryptoJS.enc.Utf8.stringify(decrypted);
  }

})(axios, JSZip, saveAs, CryptoJS, ImageDownloader);