Let's panda!

A login, view, download tool for exhentai

À data de 10/10/2017. Ver a versão mais recente.

Terá de instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

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

Terá de instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Terá de instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Terá de instalar uma extensão como Tampermonkey para instalar este script.

Terá de instalar uma extensão de gestão de scripts de utilizador para instalar este script.

(Já tenho um gestor de scripts de utilizador, deixe-me instalá-lo!)

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

(Já tenho um gestor de estilos de utilizador, deixe-me instalá-lo!)

// ==UserScript==
// @name         Let's panda!
// @namespace    Let-s-panda
// @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      0.0.3
// ==/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="${window.URL.createObjectURL(prevZip)}" download="${zipName}"> 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++;
                        getImageNext();
                        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(i == page -1){
                            getImage();
                        }
                        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();
    }
});