Let's panda!

A login, view, download tool for exhentai

Versión del día 10/10/2017. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

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

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         Let's panda!
// @namespace    *
// @author       sean2525, strong-Ting
// @description  A login, view, download tool for exhentai
// @license      MIT
// @require      https://code.jquery.com/jquery-3.2.1.slim.min.js
// @include      https://exhentai.org/
// @include      https://exhentai.org/g/*
// @include      https://e-hentai.org/g/*
// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.4/jszip.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.3/FileSaver.min.js
// @grant        GM_xmlhttpRequest
// @connect      *
// @run-at       document-end
// @version      0.0.1
// ==/UserScript==

jQuery(function($) {
    /**
     * Output extension
     * @type {String} zip
     *                cbz
     *
     * Tips: Convert .zip to .cbz
     * Windows
     * $ ren *.zip *.cbz
     * Linux
     * $ rename 's/\.zip$/\.cbz/' *.zip
     */
    var outputExt = 'cbz'; // or 'zip'

    /**
     * Multithreading
     * @type {Number} [1 -> 32]
     */
    var threading = 8;

    /**
     * Logging
     * @type {Boolean}
     */
    var debug = false;

    const loginPage = () => {
        let div = document.createElement('div');
        div.className = "main";
        let username = document.createElement('input');
        let style = document.createElement('style');
        style.innerHTML = `
.main {
display: -webkit-flex;
display: flex;
-webkit-flex-direction: column;
flex-direction: column;
-webkit-align-items: center;
align-items: center;
-webkit-justify-content: center;
justify-content: center;
height: ${window.innerHeight}px;
}
form {
display: -webkit-flex;
display: flex;
-webkit-flex-direction: column;
flex-direction: column;
-webkit-align-items: center;
align-items: center;
-webkit-justify-content: center;
justify-content: center;
}
.image {
position: relative;
margin: 0;
}
.input {
margin-top: 10px;
display: block;
height: 34px;
padding: 6px 12px;
font-size: 14px;
line-height: 1.42857143;
color: #555;
background-color: #fff;
background-image: none;
border: 1px solid #ccc;
border-radius: 4px;
-webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
-webkit-transition: border-color ease-in-out .15s,-webkit-box-shadow ease-in-out .15s;
-o-transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s;
transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s;
}
.btn {
color: #fff;
background-color: #5cb85c;
border-color: #4cae4c;
margin-top: 10px;
display: inline-block;
font-weight: 400;
line-height: 1.25;
text-align: center;
white-space: nowrap;
vertical-align: middle;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
border: 1px solid transparent;
padding: .5rem 1rem;
font-size: 1rem;
border-radius: .25rem;
-webkit-transition: all .2s ease-in-out;
-o-transition: all .2s ease-in-out;
transition: all .2s ease-in-out;
}
`;
        $('head').append(style);
        const clearCookie = ()  => {
            document.cookie = "yay=; expires=Thu, 01 Jan 1970 00:00:00 UTC; domain=.exhentai.org; path=/;";
            window.location.reload();
        };
        let form = document.createElement('form');
        let login = document.createElement('button');
        let password = document.createElement('input');
        let error = document.createElement('p');
        error.innerHTML = `
if you can not login , go to <a target="_blank" href="https://forums.e-hentai.org/index.php?act=Login&CODE=00" style="color:red">here</a> login <br >
make sure login success, then click <button class="clearCookie">here</button>
`;
        error.style.color = "white";
        error.hidden = true;
        $('img')[0].className = "image";
        username.type = "text";
        username.className = "input";
        password.type = "password";
        password.className = "input";
        login.addEventListener('click', () => {
            GM_xmlhttpRequest({
                method: "POST",
                url: "https://forums.e-hentai.org/index.php?act=Login&CODE=01",
                data: `referer=https://forums.e-hentai.org/index.php?&b=&bt=&UserName=${username.value}&PassWord=${password.value}&CookieDate=1"}`,
                headers: {
                    "Content-Type": "application/x-www-form-urlencoded"
                },
                onload: function(response) {
                    if(/You are now logged/.exec(response.responseText)){
                        clearCookie();
                    } else {
                        error.hidden = false;
                    }

                }
            });
        });
        login.className = "btn";
        login.innerHTML = "Login";
        form.append(username);
        form.append(password);
        form.append(login);
        form.addEventListener('submit', e => {
            e.preventDefault();
        });
        div.append($('img')[0]);
        div.append(form);
        div.append(error);
        $('body').append(div);
        $('.clearCookie').on('click', clearCookie);
    };
    const downloadPage = () => {
        var zip = new JSZip(),
            doc = document,
            tit = doc.title,
            $win = $(window),
            loc = /.*\//.exec(doc.location.href)[0],
            prevZip = false,
            current = 0,
            images = [],
            total = 0,
            final = 0,
            hrefs = [],
            comicId = location.pathname.match(/\d+/)[0],
            download = document.createElement('p');

        const dlImg = ({index, url}, success, error) => {
            var filename = url.replace(/.*\//g, '');
            var extension = filename.split('.').pop();
            filename = ('0000' + index).slice(-4) + '.' + extension;
            if (debug) console.log(filename, 'progress');
            GM_xmlhttpRequest({
                method: 'GET',
                url: url,
                responseType: 'arraybuffer',
                onload: function (response) {
                    final++;
                    success(response, filename);
                },
                onerror: function (err) {
                    final++;
                    error(err, filename);
                }
            });
        };
        const next = () => {
            download.innerHTML = `<img src="https://exhentai.org/img/mr.gif"> <a href="#"> Downloading ${final}/${total}</a>`;
            if (debug) console.log(final, current);
            if (final < current) return;
            (final < total) ? addZip() : genZip();
        };
        const end = () => {
           $win.off('beforeunload');
           if (debug) console.timeEnd('eHentai');
        }
        const genZip = () => {
            zip.generateAsync({
                type: 'blob'
            }).then(function (blob) {
                var zipName = tit
                .replace(/\s/g, '_') + '.' + comicId + '.' + outputExt;

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


                saveAs(blob, zipName);
                if (debug) console.log('COMPLETE');
                download.innerHTML = `<img src="https://exhentai.org/img/mr.gif"> <a href="#"> Download completed!</a>`;
                end();
            });
        };
        const addZip = () => {
            total = images.length;
            var max = current + threading;
            if(max > total) max = total;
            for(current; current < max ; current++){
                dlImg(images[current], function (response, filename) {
                    zip.file(filename, response.response);
                    if (debug) console.log(filename, 'success');
                    next();
                }, function (err, filename) {
                    zip.file(filename + '_' + comicId + '_error.gif', 'R0lGODdhBQAFAIACAAAAAP/eACwAAAAABQAFAAACCIwPkWerClIBADs=', {
                        base64: true
                    });
                    if (debug) console.log(filename, 'error');
                    next();
                });
            }
        };
        const getImageNext = () => {
            download.innerHTML = `<img src="https://exhentai.org/img/mr.gif"> <a href="#">Getting images ${final}/${hrefs.length}</a>`;
            if (debug) console.log(final, current);
            if (final < current) return;
            (final < hrefs.length) ? getImage() :(() => {
                current = 0;
                final = 0;
                addZip();
            })();
        };
        const getImage = () => {
            let max = current + threading;
            if(max > hrefs.length) max = hrefs.length;
            for(current; current < max ; current++){
                if(debug) console.log(hrefs[current]);
                GM_xmlhttpRequest({
                    method: "GET",
                    url: hrefs[current],
                    onload: function(response) {
                        let imgNo = parseInt(response.responseText.match("startpage=(\\d+)").pop());
                        let img = (new DOMParser()).parseFromString(response.responseText, "text/html").querySelector("#img");
                        if (debug) console.log(imgNo, 'success');
                        images.push({ index: imgNo ,url:img.src});
                        final++;
                        getImageNext();
                    },
                    onerror: function(err) {
                        final++;
                        if(debug) console.log(err);
                    }
                });
            }
        };
        const getHref = () => {
            let page = document.querySelector('table[class=ptt] tbody tr').childNodes.length-2;
            for(let i = 0 ; i < page; i++){
                GM_xmlhttpRequest({
                    method: "GET",
                    url: `${loc}?p=${i}`,
                    onload: function(response) {
                        let imgs = [...(new DOMParser()).parseFromString(response.responseText, "text/html").querySelectorAll(".gdtm a")];
                        imgs.forEach((v) => {
                            hrefs.push(v.href);
                        });
                        if(i == page -1){
                            getImage();
                        }
                    },
                    onerror: function(err) {
                        download.innerHTML = '<img src="https://exhentai.org/img/mr.gif"> <a href="#">Get href failed</a>';
                        if(debug) console.log(err);
                    }
                });
            }
        };
        download.className = "g3 gsp";
        download.innerHTML = `<img src="https://exhentai.org/img/mr.gif"> <a class="panda_download" href="#">Download</a>`;
        $('#gd5').append(download);
        $('.panda_download').on('click', () => {
            if(threading < 1) threading = 1;
            if(threading > 32) threading = 32;
            if (debug) console.time('eHentai');
            $win.on('beforeunload', function () {
                return 'Progress is running...';
            });
            download.innerHTML = `<img src="https://exhentai.org/img/mr.gif"> <a href="#">Start Download</a>`;
            getHref();
        });
    };
    if((e = $('img')).length === 1 && e[0].src === window.location.href){
        loginPage();
    } else {
        downloadPage();
    }
});