Manga downloader for comico.jp, comico.kr and pocketcomics.com
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// ==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);
