Let's panda!

A login, view, download tool for exhentai

当前为 2017-10-10 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==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();
    }
});