Download manga on nHentai.net
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// ==UserScript==
// @name nHentai Downloader
// @namespace http://devs.forumvi.com
// @description Download manga on nHentai.net
// @version 1.3.1
// @icon http://i.imgur.com/FAsQ4vZ.png
// @author Zzbaivong
// @license MIT
// @match http://nhentai.net/g/*
// @match https://nhentai.net/g/*
// @require https://code.jquery.com/jquery-3.1.1.min.js
// @require https://greasyfork.org/scripts/19855-jszip/code/jszip.js?version=164038
// @require https://greasyfork.org/scripts/18532-filesaver/code/FileSaver.js?version=164030
// @noframes
// @connect self
// @supportURL https://github.com/baivong/Userscript/issues
// @run-at document-idle
// @grant GM_xmlhttpRequest
// ==/UserScript==
jQuery(function($) {
'use strict';
function end() {
$win.off('beforeunload');
if (debug) console.timeEnd('nHentai');
}
function genZip() {
zip.generateAsync({
type: 'blob'
}).then(function(blob) {
var zipName = tit.split(' » ')[0]
.replace(/\s/g, '_') + '.' + comicId + '.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;
if (debug) console.log('COMPLETE');
end();
}, function(reason) {
$download.html('<i class="fa fa-exclamation"></i> Fail')
.css('backgroundColor', 'red');
doc.title = '[x] ' + tit;
if (debug) console.error(reason, 'ERROR');
end();
});
}
function dlImg(url, success, error) {
GM_xmlhttpRequest({
method: 'GET',
url: url,
responseType: 'arraybuffer',
onload: function(response) {
success(response);
},
onerror: function(err) {
error(err);
}
});
}
function next() {
current++;
$download.html('<i class="fa fa-cog fa-spin"></i> ' + current + '/' + total);
current < total ? addZip() : genZip();
}
function addZip() {
var url = images[current],
filename = url.replace(/.*\//g, '');
dlImg(url, function(response) {
zip.file(filename, response.response);
if (debug) console.log(url);
next();
}, function(err) {
zip.file(filename + '_' + comicId + '_error.gif', 'R0lGODdhBQAFAIACAAAAAP/eACwAAAAABQAFAAACCIwPkWerClIBADs=', { base64: true });
$download.css('backgroundColor', '#FF7F7F');
if (debug) console.error(err, url);
next();
});
}
var zip = new JSZip(),
prevZip = false,
current = 0,
total = 0,
images = [],
$images = $('#thumbnail-container img'),
$download = $('#download-torrent'),
doc = document,
tit = doc.title,
$win = $(window),
comicId = location.pathname.match(/\d+/)[0],
debug = true;
if (!$images.length || !$download.length) return;
window.URL = window.URL || window.webkitURL;
$download.css('backgroundColor', 'cornflowerblue')
.one('click', function(e) {
e.preventDefault();
if (debug) console.time('nHentai');
$win.on('beforeunload', function() {
return 'Progress is running...';
});
$download.attr('href', '#download')
.html('<i class="fa fa-cog fa-spin"></i> Waiting...')
.css('backgroundColor', 'orange');
$images.each(function(i, v) {
var src = $(v).data('src');
if (/^\/\/t\./i.test(src)) src = location.protocol + src;
src = src.replace('t.n', 'i.n')
.replace(/\/(\d+)t\./, '/$1.');
images[i] = src;
});
total = images.length;
addZip();
});
});