nHentai Downloader

Download manga on nHentai.net

2016-04-10 يوللانغان نەشرى. ئەڭ يېڭى نەشرىنى كۆرۈش.

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==
// @id           [email protected]
// @name         nHentai Downloader
// @namespace    http://devs.forumvi.com
// @description  Download manga on nHentai.net
// @version      1.1.5
// @icon         http://i.imgur.com/FAsQ4vZ.png
// @author       Zzbaivong
// @license      MIT
// @match        http://nhentai.net/g/*
// @require      https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.3/jquery.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/2.6.0/jszip.min.js
// @require      https://greasyfork.org/scripts/18532-filesaver/code/FileSaver.js?version=117790
// @noframes
// @connect      nhentai.net
// @supportURL   https://github.com/baivong/Userscript/issues
// @run-at       document-idle
// @grant        GM_xmlhttpRequest
// ==/UserScript==

jQuery(function($) {
    'use strict';

    function deferredAddZip(i, filename) {
        var deferred = $.Deferred();

        GM_xmlhttpRequest({
            method: 'GET',
            url: images[i],
            responseType: 'arraybuffer',
            onload: function(response) {
                zip.file(filename, response.response);
                $download.html('<i class="fa fa-cog fa-spin"></i> ' + (++current) + '/' + total);
                deferred.resolve(response);
            },
            onerror: function(err) {
                console.error(err);
                deferred.reject(err);
            }
        });

        return deferred;
    }

    var zip = new JSZip(),
        prevZip = false,
        deferreds = [],
        current = 0,
        total = 0,
        images = [],
        $download = $('#download'),
        doc = document,
        tit = doc.title;

    window.URL = window.URL || window.webkitURL;

    $download.one('click', function(e) {
        e.preventDefault();

        $download.attr('href', '#download');

        $(window).on('beforeunload', function() {
            return 'Progress is running...';
        });

        $download.html('<i class="fa fa-cog fa-spin"></i> Waiting...').css('backgroundColor', 'orange');

        $('.lazyload').each(function(i, v) {
            images[i] = 'http:' + $(v).attr('data-src').replace('t.n', 'i.n').replace(/\/(\d+)t\./, '/$1.');
        });

        total = images.length;

        $.each(images, function(i, v) {
            var filename = v.replace(/.*\//g, '');

            deferreds.push(deferredAddZip(i, filename));
        });

        $.when.apply($, deferreds).done(function() {
            var blob = zip.generate({
                    type: 'blob'
                }),
                zipName = tit.split(' » ')[0].replace(/\s/g, '_') + '.zip';

            if (prevZip) {
                window.URL.revokeObjectURL(prevZip);
            }
            prevZip = blob;

            $download.html('<i class="fa fa-check"></i> Complete').css('backgroundColor', 'green').attr({
                href: window.URL.createObjectURL(prevZip),
                download: zipName
            });

            saveAs(blob, zipName);

            doc.title = '[⇓] ' + tit;

        }).fail(function(err) {
            $download.html('<i class="fa fa-exclamation"></i> Fail').css('backgroundColor', 'red');
            console.error(err);
        }).always(function() {
            $(window).off('beforeunload');
        });

    });

});