tmo-dl

Script to download manga from TuMangaOnline

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         tmo-dl
// @namespace    https://gist.github.com/hiroshil
// @version      1.0
// @description  Script to download manga from TuMangaOnline
// @license      MIT
// @author       hiroshil
// @match        https://visortmo.com/library/manga/*/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=visortmo.com
// ==/UserScript==
/* jshint esversion: 8 */

//https://stackoverflow.com/questions/951021/what-is-the-javascript-version-of-sleep

function waitForElm(selector) {
    return new Promise(resolve => {
        if ($(selector).length) {
            return resolve($(selector));
        }
        const observer = new MutationObserver(mutations => {
            if ($(selector).length) {
                resolve($(selector));
                observer.disconnect();
            }
        });
        observer.observe(document.body, {
            childList: true,
            subtree: true
        });
    });
}
function waitForXHRRequest(url,method,responseType = undefined, getUrl = false) {
	return new Promise( (resolve, reject) => {
		var res = new XMLHttpRequest();
		res.responseType = responseType;
		res.open(method, url, true);
		res.send();
		res.onload = () => {
			if (res.status >= 200 && res.status < 400) { // If response is all good...
                if (getUrl) {
                    resolve(res.responseURL);
                }
				resolve(res.response);
			} else {
				reject(false);
			}
		}
	});

}
var sleepSetTimeout_ctrl;
function sleep(ms) {
    clearInterval(sleepSetTimeout_ctrl);
    return new Promise(resolve => sleepSetTimeout_ctrl = setTimeout(resolve, ms));
}
async function downloadChapter(url,filename, callback){
    const finalURL = await waitForXHRRequest(url, "GET", undefined, true);
    const regex = /viewer\/(.*?)(?:\/|$)/;
    const match = finalURL.match(regex);

    if (match) {
        const chapId = match[1];
        const res = await waitForXHRRequest(finalURL.split(chapId)[0] + chapId + "/cascade", "GET");
        if (res){
            const imgs = $(res).find("#main-container .viewer-img");
            const zipFileWriter = new zip.BlobWriter();
            const zipWriter = new zip.ZipWriter(zipFileWriter);
            for (let i = 0; i < imgs.length; i++) {
                const src = $(imgs[i]).attr("data-src");
                var blob;
                do {
                    blob = await waitForXHRRequest(src,'GET','blob');
                    await sleep(200);
                }
                while (!blob);
                if (blob.type.includes("image")){
                    const blobReader = new zip.BlobReader(blob);
                    await zipWriter.add(String(i) + "_" + src.split("/").pop(), blobReader);
                }
            }
            await zipWriter.close();
            const zipFileBlob = await zipFileWriter.getData();
            const anchor = document.createElement("a");
            const clickEvent = new MouseEvent("click");
            anchor.href = window.URL.createObjectURL(zipFileBlob);
            anchor.download = filename;
            anchor.dispatchEvent(clickEvent);
        }
        else {
            alert("Error!! Please try again!");
        }
    } else {
        alert("Error!! Please try again!");
    }
    callback();
}
function setupButton(jNode) {
      jNode.each(function() {
          const chapName = $(this).prev().find("div > div.col-10.text-truncate > a").text().trim();
          var viewBtn = $( "#" + $(this).attr("id") + " > div > ul > li > div > div.col-2.col-sm-1.text-right").first();
          var chapURL = viewBtn.find("a").attr('href');
          viewBtn.prev().remove();
          var dwnlBtn = viewBtn.clone();
          dwnlBtn.find("a").removeAttr("href").removeClass("btn-sm").addClass("btn-lg").find("span").removeAttr('class').addClass("fas fa-arrow-alt-circle-down dl-btn");
          dwnlBtn.click(function() {
              $(this).attr('disabled','disabled');
              $(this).find(".dl-btn").removeClass("fas").addClass("far");
              const output = $(".element-title.my-2").contents().first().text().trim() + " - " + chapName + ".zip";
              console.log(output);
              downloadChapter(chapURL, output, () => { $(".dl-btn").closest("[disabled]").removeAttr('disabled').find("span").removeClass("far").addClass("fas"); });
          });
          viewBtn.after(dwnlBtn);
      });
}
async function main(){
    var xhr = await waitForXHRRequest("https://raw.githubusercontent.com/gildas-lormeau/zip.js/v2.7.17/dist/zip.js","GET");
    eval(xhr);
    const jNode = await waitForElm('.upload-link > div');
    setupButton(jNode);
}
main();