Let's panda!

A login, view, download tool for exhentai

Versão de: 10/10/2017. Veja: a última versão.

Você precisará instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

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

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Você precisará instalar uma extensão como o Tampermonkey para instalar este script.

Você precisará instalar um gerenciador de scripts de usuário para instalar este script.

(Eu já tenho um gerenciador de scripts de usuário, me deixe instalá-lo!)

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

(Eu já possuo um gerenciador de estilos de usuário, me deixar fazer a instalação!)

// ==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();
    }
});