Let's panda!

A login, view, download tool for exhentai

Verzia zo dňa 10.10.2017. Pozri najnovšiu verziu.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, Greasemonkey alebo Violentmonkey.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie, ako napríklad Tampermonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, % alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey alebo Userscripts.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie, ako napríklad Tampermonkey.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie správcu používateľských skriptov.

(Už mám správcu používateľských skriptov, nechajte ma ho nainštalovať!)

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

(Už mám správcu používateľských štýlov, nechajte ma ho nainštalovať!)

// ==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();
    }
});