// ==UserScript==
// @name         [Demo]曾照彩云归
// @name:en      demo@caiyunFakeupload
// @description  A useless Demo for study purposes (scriptcat only),simple and stupid.
// @author       ae86_qiu
// @namespace    [Demo]caiyunFakeupload@bbs.tampermonkey.net.cn
// @version      001.2022.0830.1

// @match        https://yun.139.com/w/#/index
// @match        https://yun.139.com/w//index

// @icon         https://www.google.com/s2/favicons?sz=64&domain=yun.139.com

// @grant        GM_xmlhttpRequest
// @grant        GM_cookie

// @connect      yun.139.com

// @require      https://z.chaoxing.com/js/jquery-3.5.0.min.js

// ==/UserScript==

// 【Demo演示，请勿日常使用】
'use strict';
var $ = $ || window.$
var DebugMODE = false // whether to console.log all xhrs
//The GM_caiyun constructor
function GM_caiyunStruct(){
    GM_caiyunInit(this, arguments) // init caiyun
}
const DEFAULT_ROOT_ID = '00019700101000000001'
// THis is the initializer function
function GM_caiyunInit(config,arguments){// config means 'this' of GM_caiyunStruct
    config.userInfo = JSON.parse(localStorage.getItem('userInfo')) // login info
    config.account = atob(config.userInfo.encryptAccount) // phone number
    config.phoneNumber = atob(config.userInfo.encryptAccount) // phone number
    config.userId = config.userInfo.userId
    config.token = config.userInfo.token // seems useless
    config.RootparentCatalogID = DEFAULT_ROOT_ID // root Folder
    config.myCollectionParentCatalogID = config.userInfo.userId + DEFAULT_ROOT_ID // 'MyAppCollection' 1011ZTlv31Qh00019700101000000071  userId + DEFAULT_ROOT_ID
}

GM_caiyunStruct.prototype = {// #GM_caiyunStruct.prototype region start
    /**
     * this obfuscated getNewSign function comes from official app.9dd75283.js
     * @param {undefined} e 
     * @param {body} t 
     * @param {timestamp} a 
     * @param {randStr16} n 
     * @returns 
     */
    getNewSign: function(e, t, a, n) {
        var r = "",
            i = "";
        if (t) {
            var s = Object.assign({}, t);
            i = JSON.stringify(s),
            i = i.replace(/\s*/g, ""),
            i = encodeURIComponent(i);
            var c = i.split(""),
            u = c.sort();
            i = u.join("")
        }
        // the declaration of md5 function is at the bottom of this page
        var A = md5(this.btoa(this.utob(i))) // var A = md5(btoa(utob(i))),
        // utils.GetMD5Encode(ts+":"+randStr)
        var l = md5(a + ":" + n)             //     l = md5(a + ":" + n); 
        return md5(A + l).toUpperCase()
    },
    getRandomSring: function(t) {// the employees of China Mobile misspelled the word 'string'
        for (var e = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", 
            a = "", n = 0; n < t; n++) {
                var o = Math.floor(Math.random() * e.length);
                a += e.substring(o, o + 1)
        }
        return a
    },
    getRandomString16: function(){// length = 16, random string
        return this.getRandomSring(16)
    },
    Lt: function() {// 20220830122815 https://yun.139.com/w/static/js/app.9dd75283.js #L10769
        var t = new Date
            , e = t.getFullYear()
            , a = t.getMonth() + 1 < 10 ? "0".concat(t.getMonth() + 1) : t.getMonth() + 1
            , n = t.getDate() < 10 ? "0".concat(t.getDate()) : t.getDate()
            , o = t.getHours() < 10 ? "0".concat(t.getHours()) : t.getHours()
            , i = t.getMinutes() < 10 ? "0".concat(t.getMinutes()) : t.getMinutes()
            , s = t.getSeconds() < 10 ? "0".concat(t.getSeconds()) : t.getSeconds();
        return "".concat(e).concat(a).concat(n).concat(o).concat(i).concat(s)
    },
    moment: function(a, expr = 'yyyy-MM-dd hh:mm:ss') {// '2022-08-30 09:29:29'
        let y = a.getFullYear(),
            M = a.getMonth() + 1,
            d = a.getDate(),
            D = a.getDay(),
            h = a.getHours(),
            m = a.getMinutes(),
            s = a.getSeconds(),
            w = a.getDay()
        const zeroize = v => `${v > 9 ? '' : '0'}${v}`
        return expr.replace(/(?:s{1,2}|w{1,2}|m{1,2}|h{1,2}|d{1,2}|M{1,4}|y{1,4})/g, function (str) {
            switch (str) {
            case 's':
                return s;
            case 'ss':
                return zeroize(s);
            case 'm':
                return m;
            case 'mm':
                return zeroize(m);
            case 'h':
                return h;
            case 'hh':
                return zeroize(h);
            case 'd':
                return d;
            case 'w':
                return w;
            case 'ww':
                return w == 0 ? 7 : w;
            case 'dd':
                return zeroize(d);
            case 'M':
                return M;
            case 'MM':
                return zeroize(M);
            case 'MMMM':
                return ['十二', '一', '二', '三', '四', '五', '六', '七', '八', '九', '十', '十一'][m] + '月';
            case 'yy':
                return String(y).substr(2);
            case 'yyyy':
                return y;
            default:
                return str.substr(1, str.length - 2);
            }
        })
    },
    btoa: function(v){ // base64 encode
        return btoa(v) // return Buffer.from(v).toString('base64')
    },
    utob: function(str) {
        const u = String.fromCharCode
        return str.replace(/[\uD800-\uDBFF][\uDC00-\uDFFFF]|[^\x00-\x7F]/g, (t) => {
            if (t.length < 2) {
            var e = t.charCodeAt(0);
            return e < 128 ? t : e < 2048 ? u(192 | e >>> 6) + u(128 | 63 & e) : u(224 | e >>> 12 & 15) + u(128 | e >>> 6 & 63) + u(128 | 63 & e)
            }
            e = 65536 + 1024 * (t.charCodeAt(0) - 55296) + (t.charCodeAt(1) - 56320);
            return u(240 | e >>> 18 & 7) + u(128 | e >>> 12 & 63) + u(128 | e >>> 6 & 63) + u(128 | 63 & e)
        })
    },
    createHeaders: function(body) {
        // let timestamp = Date.now()
        // let key = getRandomSring(16)
        timestamp = this.moment(new Date()) // let timestamp = moment(new Date())
        let key = this.getRandomString16() // let key = getRandomSring(16)
        // let sign = getNewSign(undefined, body, timestamp, key)
        let sign = this.getNewSign(undefined, body, timestamp, key)
        let headers = {
            'x-huawei-channelSrc': '10000034',
            'x-inner-ntwk': '2',
            'mcloud-channel': '1000101',
            'mcloud-client': '10701',
            'mcloud-sign': timestamp + "," + key + "," + sign,
            // 'mcloud-skey': null,
            'content-type': "application/json;charset=UTF-8",
            'caller': 'web',
            'CMS-DEVICE': 'default',
            'x-DeviceInfo': '||9|85.0.4183.83|chrome|85.0.4183.83|||windows 10||zh-CN|||',
            'x-SvcType': '1',
            'referer': 'https://yun.139.com/w/',
        }
        // usage:
        //     headers: {
        //         ...caiyun.createHeaders(params),
        //         'Cookie':caiyun.cookie
        //     },
        return headers
    },
    userInfo,// login info
    account,// phone number
    phoneNumber,// phone number
    userId,// userId
    token,// token from localStorage userInfo
    cookie,
    requestCookie:async function (){
        return new Promise((resolve,reject) => {
            GM_cookie('list',{
                domain: window.location.host
            },(list) => {
                let t = ''
                for(let c of list){
                    t += c.name
                    t += '='
                    t += c.value
                }
                resolve(t) // cookie
            });
        })
    },
    fetchCookie: async function(){
        let r = await this.requestCookie()
        this.cookie = r // set caiyun.cookie
        // setTimeout(() => {}, 1000)
    },
    RootparentCatalogID,
}; // #GM_caiyunStruct.prototype region end

// create default instance of GM_caiyun
var caiyun = new GM_caiyunStruct();

(function () {
    'use strict'
    function PostData(dict) {
        var k, tmp, v;
        tmp = [];
        for (k in dict) {
            v = dict[k];
            tmp.push(k + "=" + v);
        }
        return tmp.join('&');
    }
    const byteSize = str => new Blob([str]).size // https://dev.to/rajnishkatharotiya/get-byte-size-of-the-string-in-javascript-20jm
    function delay(ms) {
        if (ms == 0) {
            ms = 1000 * (Math.floor(Math.random() * (11 - 4)) + 4);
        }
        return new Promise(resolve => setTimeout(resolve, ms))
    }
    function shitcode_getRsaPublicKey(){
        async function requestRsaPublicKeyValue(){
            const r = new Promise((resolve,reject) => {
                GM_xmlhttpRequest({
                    method: 'POST',
                    url: 'https://yun.139.com/caiyun/openapi/authentication/key/getRsaPublicKey',
                    data: PostData({
                        clientCode:'10701',
                        type:1
                    }),
                    onload: function (r) {
                        if(Math.floor(r.status / 100) === 2){
                            resolve({
                                state: true,
                                error: '',
                                text:r.response
                            });
                        }else{
                            resolve({
                                state: false,
                                error: `response.status:${r.status}`,
                                text: ''
                            });                       
                        }
                    }
                })
            });
            return r;
        }
        async function requestRsaPublicKeyValueByAjax(){
            const r = await $.ajax({
                url: 'https://yun.139.com/caiyun/openapi/authentication/key/getRsaPublicKey',
                dataType: 'json',
                data:PostData({
                        clientCode:'10701',
                        type:1
                })
            });
            return r
        }
        async function fetchRsaPublicKeyValue(){
            let r = await requestRsaPublicKeyValue()
            let pubkeydata = JSON.parse(r.text).data
            return pubkeydata // 'MIGfMA....DAQAB'
        }
        function getRsaPublicKey(){// 20220830 caiyun publicKey
        // @require      http://www-cs-students.stanford.edu/~tjw/jsbn/rsa.js
            let punlicKeyValue = 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGS22ZQd0Gmbpi29j2o3SqC8Kexd/53uQw3JI0J1fsRFzAKYh05XJB9OtB/eKb7UKHg6kI1wcdQCouSOZyA+cgp+zY5SAP6wYZaVKhIv0mK1vK9TLnLnYc1sIMOwjP2FX1pSOe8GVWvb77Q/3DrVh1d5NpeVEHtA0PY4aqI2hebwIDAQAB'
            let publicKey = '-----BEGIN PUBLIC KEY-----\n' + punlicKeyValue + '\n-----END PUBLIC KEY-----'
            return publicKey
        }
        return getRsaPublicKey()
    }
    function fooPayload(){
        const payload = {
            'manualRename': 2,
            'operation': 0,// upload
            'fileCount':1,// only support one file
            'totalSize':2,
            'uploadContentList':[{// uploadContentList:List of content to be uploaded.
                'contentName': 'a.txt',
                'contentSize': 2,// size 'a\n'
                'digest':'60b725f10c9c85c70d97880dfe8191b3'// 'digest':文件md5的值 md5('a\n')
            }],// Currently, only one file can be uploaded.(caiyun official)
            'parentCatalogID': caiyun.RootparentCatalogID,// '00019700101000000071'
            'newCatalogName': '',// mkdir (official)
            'commonAccountInfo':{
                'account':caiyun.phoneNumber,
                'accountType':1
            }
        }
        return payload        
    }
    // let params = fakeFilePayload({name:'a.txt',size:10,digest:'e4f58a805a6e1fd0f6bef58c86f9ceb3'})
    function createFileFromLine(line){
        let numbersignCount = line.replace(/[^#]/g, "").length
        if(numbersignCount == 3){
            let arr = line.split('#')
            let digest = arr[0]
            let size = arr[2]
            let name = arr[3]
            // params = fakeFilePayload(createFileFromLine(line))
            return {
                name: name,
                size: size,
                digest: digest
            }
        }
        return null
    }
    function shitcode_EasterEgg(){
        let sing = 'OTc1Y2FlZTRkNmRiZjQ5NTM0MTNmNmIyNjJjYzJjNWIjNDFlN2Q1YjFjOTE1ZmRhYzM1NzE3ODRjNjJhNjNiNmMjMzU0ODQwNDcjQWxsIFRoZSBXYXkgTm9ydGggW0luaXRpYWwgUV0ubXAz'
        let jump = 'NjQwNWZjMzQyOWM0ZjgwNmI4NGJkMGIyZDM0ZmFiZmEjNWM4YzIzZjllYmUyYjFkNjc4MGMzZmI5OWM4Y2UxNTMjNTcwOTU4I2xlbmEuanBn'
        let rape = 'ZTRmNThhODA1YTZlMWZkMGY2YmVmNThjODZmOWNlYjMjZTRmNThhODA1YTZlMWZkMGY2YmVmNThjODZmOWNlYjMjMTAjbHV2IGxldHRlci50eHQ='
        let cxk = {egg1: sing,egg2: jump,egg3: rape}
        return cxk
    }
    function fakeFilePayload(config){
        // foo config {name:'a.txt',size:2,digest:'60b725f10c9c85c70d97880dfe8191b3',parentCatalogID:''}
        console.log(config)
        let config_uploadContent = {
            'contentName': config.name,
            'contentSize': parseInt(config.size),// [Must be a Number]
            'digest':config.digest
        }
        let otherPayload = {//
            'parentCatalogID':  config.parentCatalogID || caiyun.RootparentCatalogID, // default parent:root folder 
        }
        let payload = {
            'manualRename': 2,// [Must be a Number]
            'operation': 0,// upload [Must be a Number]
            'fileCount': 1,// only support one file [Must be a Number]
            'totalSize':parseInt(config.size),// [Must be a Number]
            // 'uploadContentList':[config_uploadContent], type UploadContentInfo[]
            'uploadContentList':[config_uploadContent],	
            // 'parentCatalogID'
            'newCatalogName': '',
            'commonAccountInfo':{
                'account':caiyun.phoneNumber,
                'accountType':1
            }
        }
        return {...payload,...otherPayload}        
    }
    async function fakeUpload(fileinfoDict){
        let params = fakeFilePayload(fileinfoDict)
        if(DebugMODE){
                console.log("POSTing")
        }
        const r = new Promise((resolve,reject)=>{
            GM_xmlhttpRequest({
                method: "POST",
                url: 'https://yun.139.com/orchestration/personalCloud/uploadAndDownload/v1.0/pcUploadFileRequest',
                headers:{
                    // 'Content-Type':'application/json;charset=UTF-8',
                    ...caiyun.createHeaders(params),
                    'Cookie':caiyun.cookie
                },
                data:JSON.stringify(params),
                responseType: 'json',
                onload: function(response){
                    if(response.status === 200){
                        console.log('caiyun FakeUpload:' 
                            + JSON.stringify(response.response.data.uploadResult.newContentIDList[0].contentName) 
                            + '\n' + JSON.stringify(response.response));
                    }
                }
            });
        })
        return r
    }
    GM_caiyunStruct.prototype.execMainTask = async function(){
        await this.fetchCookie() // set config.cookie
        if(DebugMODE){
            console.log(this.cookie);
        }
        fakeUpload(createFileFromLine(atob(shitcode_EasterEgg().egg1)))
        fakeUpload(createFileFromLine(atob(shitcode_EasterEgg().egg3)))
    };
    caiyun.execMainTask();
})();

/**
 * XmlhttpRequest Hook
 * https://scriptcat.org/script-show-page/47/code
 */
function addXMLRequestCallback(callback){
    var oldSend, i;
    if( XMLHttpRequest.callbacks ) {
        // we've already overridden send() so just add the callback
        XMLHttpRequest.callbacks.push( callback );
    } else {
        // create a callback queue
        XMLHttpRequest.callbacks = [callback];
        // store the native send()
        oldSend = XMLHttpRequest.prototype.send;
        // override the native send()
        XMLHttpRequest.prototype.send = function(){
            // process the callback queue
            // the xhr instance is passed into each callback but seems pretty useless
            // you can't tell what its destination is or call abort() without an error
            // so only really good for logging that a request has happened
            // I could be wrong, I hope so...
            // EDIT: I suppose you could override the onreadystatechange handler though
            for( i = 0; i < XMLHttpRequest.callbacks.length; i++ ) {
                XMLHttpRequest.callbacks[i]( this );
            }
            if(DebugMODE){
                console.log(arguments[0])// 劫持所有xhr后打印，方便debug
            }
            // call the native send()
            oldSend.apply(this, arguments);
        }
    }
}

// e.g.
if(DebugMODE){// print all xhrs
    addXMLRequestCallback( function( xhr ) {
            xhr.addEventListener("load", function(){
            if ( xhr.readyState == 4 && xhr.status == 200 ) {
                console.log( xhr.responseURL);
                // if( xhr.responseURL != 'https://yun.139.com/orchestration/personalCloud/catalog/v1.0/getDisk')
                console.log( xhr.responseText)
            }
        });
    });
}
// $ echo 'a'| md5sum |  cut -d " " -f1
// 60b725f10c9c85c70d97880dfe8191b3
// $ echo -n 'a'| md5sum |  cut -d " " -f1
// 0cc175b9c0f1b6a831c399e269772661
// $ wc -c < filename
// https://stackoverflow.com/questions/1815329/portable-way-to-get-file-size-in-bytes-in-the-shell
// let params = fakeFilePayload({name:'EasterEgg.txt',size:10,digest:'e4f58a805a6e1fd0f6bef58c86f9ceb3'})


/* 针对网络问题，将不稳定的依赖库(md5)放置于此 */

/**
 * // @require      http://www.myersdaily.org/joseph/javascript/md5.js
 * To avoid @require joseph's md5.js, I put the md5 function here
 */
function md5(str){// md5 function start
    function GM_JosephMD5(s){// GM_JosephMD5 function start
        function md5cycle(x, k) {
        var a = x[0], b = x[1], c = x[2], d = x[3];

        a = ff(a, b, c, d, k[0], 7, -680876936);
        d = ff(d, a, b, c, k[1], 12, -389564586);
        c = ff(c, d, a, b, k[2], 17,  606105819);
        b = ff(b, c, d, a, k[3], 22, -1044525330);
        a = ff(a, b, c, d, k[4], 7, -176418897);
        d = ff(d, a, b, c, k[5], 12,  1200080426);
        c = ff(c, d, a, b, k[6], 17, -1473231341);
        b = ff(b, c, d, a, k[7], 22, -45705983);
        a = ff(a, b, c, d, k[8], 7,  1770035416);
        d = ff(d, a, b, c, k[9], 12, -1958414417);
        c = ff(c, d, a, b, k[10], 17, -42063);
        b = ff(b, c, d, a, k[11], 22, -1990404162);
        a = ff(a, b, c, d, k[12], 7,  1804603682);
        d = ff(d, a, b, c, k[13], 12, -40341101);
        c = ff(c, d, a, b, k[14], 17, -1502002290);
        b = ff(b, c, d, a, k[15], 22,  1236535329);

        a = gg(a, b, c, d, k[1], 5, -165796510);
        d = gg(d, a, b, c, k[6], 9, -1069501632);
        c = gg(c, d, a, b, k[11], 14,  643717713);
        b = gg(b, c, d, a, k[0], 20, -373897302);
        a = gg(a, b, c, d, k[5], 5, -701558691);
        d = gg(d, a, b, c, k[10], 9,  38016083);
        c = gg(c, d, a, b, k[15], 14, -660478335);
        b = gg(b, c, d, a, k[4], 20, -405537848);
        a = gg(a, b, c, d, k[9], 5,  568446438);
        d = gg(d, a, b, c, k[14], 9, -1019803690);
        c = gg(c, d, a, b, k[3], 14, -187363961);
        b = gg(b, c, d, a, k[8], 20,  1163531501);
        a = gg(a, b, c, d, k[13], 5, -1444681467);
        d = gg(d, a, b, c, k[2], 9, -51403784);
        c = gg(c, d, a, b, k[7], 14,  1735328473);
        b = gg(b, c, d, a, k[12], 20, -1926607734);

        a = hh(a, b, c, d, k[5], 4, -378558);
        d = hh(d, a, b, c, k[8], 11, -2022574463);
        c = hh(c, d, a, b, k[11], 16,  1839030562);
        b = hh(b, c, d, a, k[14], 23, -35309556);
        a = hh(a, b, c, d, k[1], 4, -1530992060);
        d = hh(d, a, b, c, k[4], 11,  1272893353);
        c = hh(c, d, a, b, k[7], 16, -155497632);
        b = hh(b, c, d, a, k[10], 23, -1094730640);
        a = hh(a, b, c, d, k[13], 4,  681279174);
        d = hh(d, a, b, c, k[0], 11, -358537222);
        c = hh(c, d, a, b, k[3], 16, -722521979);
        b = hh(b, c, d, a, k[6], 23,  76029189);
        a = hh(a, b, c, d, k[9], 4, -640364487);
        d = hh(d, a, b, c, k[12], 11, -421815835);
        c = hh(c, d, a, b, k[15], 16,  530742520);
        b = hh(b, c, d, a, k[2], 23, -995338651);

        a = ii(a, b, c, d, k[0], 6, -198630844);
        d = ii(d, a, b, c, k[7], 10,  1126891415);
        c = ii(c, d, a, b, k[14], 15, -1416354905);
        b = ii(b, c, d, a, k[5], 21, -57434055);
        a = ii(a, b, c, d, k[12], 6,  1700485571);
        d = ii(d, a, b, c, k[3], 10, -1894986606);
        c = ii(c, d, a, b, k[10], 15, -1051523);
        b = ii(b, c, d, a, k[1], 21, -2054922799);
        a = ii(a, b, c, d, k[8], 6,  1873313359);
        d = ii(d, a, b, c, k[15], 10, -30611744);
        c = ii(c, d, a, b, k[6], 15, -1560198380);
        b = ii(b, c, d, a, k[13], 21,  1309151649);
        a = ii(a, b, c, d, k[4], 6, -145523070);
        d = ii(d, a, b, c, k[11], 10, -1120210379);
        c = ii(c, d, a, b, k[2], 15,  718787259);
        b = ii(b, c, d, a, k[9], 21, -343485551);

        x[0] = add32(a, x[0]);
        x[1] = add32(b, x[1]);
        x[2] = add32(c, x[2]);
        x[3] = add32(d, x[3]);

        }

        function cmn(q, a, b, x, s, t) {
        a = add32(add32(a, q), add32(x, t));
        return add32((a << s) | (a >>> (32 - s)), b);
        }

        function ff(a, b, c, d, x, s, t) {
        return cmn((b & c) | ((~b) & d), a, b, x, s, t);
        }

        function gg(a, b, c, d, x, s, t) {
        return cmn((b & d) | (c & (~d)), a, b, x, s, t);
        }

        function hh(a, b, c, d, x, s, t) {
        return cmn(b ^ c ^ d, a, b, x, s, t);
        }

        function ii(a, b, c, d, x, s, t) {
        return cmn(c ^ (b | (~d)), a, b, x, s, t);
        }

        function md51(s) {
        txt = '';
        var n = s.length,
        state = [1732584193, -271733879, -1732584194, 271733878], i;
        for (i=64; i<=s.length; i+=64) {
        md5cycle(state, md5blk(s.substring(i-64, i)));
        }
        s = s.substring(i-64);
        var tail = [0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0];
        for (i=0; i<s.length; i++)
        tail[i>>2] |= s.charCodeAt(i) << ((i%4) << 3);
        tail[i>>2] |= 0x80 << ((i%4) << 3);
        if (i > 55) {
        md5cycle(state, tail);
        for (i=0; i<16; i++) tail[i] = 0;
        }
        tail[14] = n*8;
        md5cycle(state, tail);
        return state;
        }

        /* there needs to be support for Unicode here,
        * unless we pretend that we can redefine the MD-5
        * algorithm for multi-byte characters (perhaps
        * by adding every four 16-bit characters and
        * shortening the sum to 32 bits). Otherwise
        * I suggest performing MD-5 as if every character
        * was two bytes--e.g., 0040 0025 = @%--but then
        * how will an ordinary MD-5 sum be matched?
        * There is no way to standardize text to something
        * like UTF-8 before transformation; speed cost is
        * utterly prohibitive. The JavaScript standard
        * itself needs to look at this: it should start
        * providing access to strings as preformed UTF-8
        * 8-bit unsigned value arrays.
        */
        function md5blk(s) { /* I figured global was faster.   */
        var md5blks = [], i; /* Andy King said do it this way. */
        for (i=0; i<64; i+=4) {
        md5blks[i>>2] = s.charCodeAt(i)
        + (s.charCodeAt(i+1) << 8)
        + (s.charCodeAt(i+2) << 16)
        + (s.charCodeAt(i+3) << 24);
        }
        return md5blks;
        }

        var hex_chr = '0123456789abcdef'.split('');

        function rhex(n)
        {
        var s='', j=0;
        for(; j<4; j++)
        s += hex_chr[(n >> (j * 8 + 4)) & 0x0F]
        + hex_chr[(n >> (j * 8)) & 0x0F];
        return s;
        }

        function hex(x) {
        for (var i=0; i<x.length; i++)
        x[i] = rhex(x[i]);
        return x.join('');
        }

        function md5(s) {
        return hex(md51(s));
        }

        /* this function is much faster,
        so if possible we use it. Some IEs
        are the only ones I know of that
        need the idiotic second function,
        generated by an if clause.  */

        function add32(a, b) {
        return (a + b) & 0xFFFFFFFF;
        }

        if (md5('hello') != '5d41402abc4b2a76b9719d911017c592') {
        function add32(x, y) {
        var lsw = (x & 0xFFFF) + (y & 0xFFFF),
        msw = (x >> 16) + (y >> 16) + (lsw >> 16);
        return (msw << 16) | (lsw & 0xFFFF);
        }
        }
        // the functions above are all inside GM_JosephMD5's closure
        return md5(str)// inner md5 function inside GM_JosephMD5 closure
    }// GM_JosephMD5 function end
    return GM_JosephMD5(str)// return value of the outer md5 function
}// md5 function end
// 宁想要星星，没问题! 我为宁抓；宁想要月亮，没关系！我用纸叠给宁