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本文导读

展开导读

JavaScript

更新时间:2024-10-24 GMT+08:00

分段上传JavaScript语言的示例代码,如下所示:

<!DOCTYPE html>
<html>
    <head>
        <script>
            // token认证
            var token = "";
            var projectId = "";
            const region = "cn-north-4";

            var urlList;

            function initUrl(projectId){
                let url = {
                    // 创建媒资接口
                    createAssetUrl : "https://vod."+region+".myhuaweicloud.com/v1.0/"+projectId+"/asset",
                    // 获取授权接口
                    initAuthUrl : "https://vod."+region+".myhuaweicloud.com/v1.0/"+projectId+"/asset/authority",
                    // 确认媒资上传接口
                    confirmUploadedUrl : "https://vod."+region+".myhuaweicloud.com/v1.0/"+projectId+"/asset/status/uploaded"
                }
                return url;
            }


            // 文件分段大小1Mb,根据用户实际情况自行调整
            const bufferSize = 1024 * 1024; 

            // 开始上传
            function startUpload(){
                token = document.getElementById("token").value;
                projectId = document.getElementById("projectId").value;

                urlList = initUrl(projectId);

                let files = document.getElementById("file").files;
                let file = files[0];

                // 此处仅以MP4文件示例,其他格式可参考官网说明
                let fileType = "MP4";
                let fileContentType = "video/mp4";

                // 1. 以token鉴权为例,设置请求头
                let headers = {
                    "X-Auth-Token": token,
                    "Content-Type": "application/json"
                }

                // 2.创建点播媒资
                let assetRsp = createAsset(file.name, file.name, fileType, headers);

                // 3.获取初始化上传任务授权
                let initAuthResponse = getInitAuth(assetRsp, fileContentType, headers);

                // 4.初始化分段上传任务
                let uploadId = initPartUpload(initAuthResponse, assetRsp, fileContentType);

                // 文件分段计数
                let partNumber = 1;
                // 文件读取位置
                let position = 0;

                let blobSlice = File.prototype.mozSlice || File.prototype.webkitSlice || File.prototype.slice;
                // 7.循环5-6上传分段
                readAndUpload(file, blobSlice, position, partNumber, assetRsp, fileContentType, uploadId, headers, 
                    function(assetRsp, uploadId, headers){
                        // 8.获取列举已上传段授权
                        let listAuthResp = listUploadedPartAuthority(assetRsp, uploadId, headers);
                        // 9.列举已上传段
                        let partInfo = listUploadedPart(listAuthResp.sign_str, assetRsp, uploadId);
                        // 10.获取合并段授权
                        let mergeAuthResp = mergeUploadedPartAuthority(assetRsp, uploadId, headers);
                        // 11.合并段
                        mergeUploadedPart(mergeAuthResp.sign_str, partInfo, assetRsp, uploadId);
                        // 12.确认上传
                        confirmUploaded(assetRsp.asset_id, headers);
                        alert("上传结束;assetId:" + assetRsp.asset_id);
                    }
                );
            }

            // 2. 创建点播媒资
            function createAsset(title, videoName, videoType, headers){
                let body = {
                    "title":title,
                    "video_name":videoName,
                    "video_type":videoType
                }
                let resp = sendRequest("POST", urlList.createAssetUrl, JSON.stringify(body), headers);
                return JSON.parse(resp);
            }

            // 3.获取上传初始化任务授权
            function getInitAuth(assetRsp, fileContentType, headers){
                let params = {
                    "http_verb"     : "POST",
                    "content_type"  : fileContentType,
                    "bucket"        : assetRsp.target.bucket,
                    "object_key"    : assetRsp.target.object
                }
                let temp = "?";
                for(let e in params){
                    temp += e + "=" + params[e] + "&";
                }
                let resp = sendRequest("GET", urlList.initAuthUrl + temp, null, headers);
                return JSON.parse(resp);
            }

            // 4.初始化分段上传, 返回uploadId
            function initPartUpload(signStr, assetRsp, contentType){
                let initUrl = "https://" + assetRsp.target.bucket + ".obs." + region + ".myhuaweicloud.com/"
                    + assetRsp.target.object + "?uploads&" + signStr.sign_str;
                let resp = sendRequest("POST", initUrl, null, {"Content-Type":contentType});
                let domParser = new DOMParser();
                let dom = domParser.parseFromString(resp, "text/xml");
                return dom.getElementsByTagName("UploadId")[0].firstChild.nodeValue;
            }

            // 5.获取分段上传授权
            function getPartUploadAuthority(assetRsp, fileContentType, uploadId, contentMd5, partNumber, headers){
                let params = {
                    "http_verb"     : "PUT",
                    "content_type"  : fileContentType,
                    "bucket"        : assetRsp.target.bucket,
                    "object_key"    : assetRsp.target.object,
                    "content_md5"   : encodeURIComponent(contentMd5),// 有特殊符号,此处加转义
                    "upload_id"     : uploadId,
                    "part_number"   : partNumber
                }
                let temp = "?";
                for(let e in params){
                    temp += e + "=" + params[e] + "&";
                }
                let resp = sendRequest("GET", urlList.initAuthUrl + temp, null, headers);
                return JSON.parse(resp);
            }

            // 6.上传分段
            function uploadPartFile(uploadAuth, assetRsp, contentMd5, partNumber, uploadId, content){                
                let url = "https://" + assetRsp.target.bucket + ".obs." + region + ".myhuaweicloud.com/"
                    + assetRsp.target.object + "?partNumber="+partNumber+"&uploadId=" + uploadId + "&" + uploadAuth.sign_str;
                let headers = {
                    "Content-Type"  : "application/octet-stream",
                    "Content-MD5"   : contentMd5
                }
                let resp = sendRequest("PUT", url, content, headers);
            }

            // 7.循环5-6上传分段
            function readAndUpload(file, blobSlice, position, partNum, assetRsp, fileContentType, uploadId, headers, afterUpload){
                let fileReader = new FileReader();
                fileReader.onload = function(e) {
                    // 先文件分段md5
                    let md5 = md5_min(e.target.result);
                    // md5转字节数组
                    let bmd5 = Str2Bytes(md5);
                    // base64 encode md5字节数组
                    let content_md5 = base64js_min.fromByteArray(bmd5);

                    // 5.获取分段上传授权
                    let uploadAuth = getPartUploadAuthority(assetRsp, fileContentType, uploadId, content_md5, partNum, headers);
                    // 6.上传分段
                    uploadPartFile(uploadAuth, assetRsp, content_md5, partNum, uploadId, e.target.result);

                    partNum++;

                    // 判断是否读完,未读完继续上传
                    if(position + bufferSize < file.size){
                        readAndUpload(file, blobSlice, position + bufferSize, partNum, assetRsp, fileContentType, uploadId, headers, afterUpload);
                    } else {
                        // 全部上传完成后执行后续步骤
                        afterUpload(assetRsp, uploadId, headers);
                    }
                }
                fileReader.readAsArrayBuffer(blobSlice.call(file, position, position + bufferSize));
            }

            // 8.获取列举分段上传授权
            function listUploadedPartAuthority(assetRsp, uploadId, headers){
                let params = {
                    "http_verb"     : "GET",
                    "bucket"        : assetRsp.target.bucket,
                    "object_key"    : assetRsp.target.object,
                    "upload_id"     : uploadId
                }
                let temp = "?";
                for(let e in params){
                    temp += e + "=" + params[e] + "&";
                }
                let resp = sendRequest("GET", urlList.initAuthUrl + temp, null, headers);
                return JSON.parse(resp);
            }

            // 9.查询已上传的分段
            function listUploadedPart(signStr, assetRsp, uploadId){
                let url = "https://" + assetRsp.target.bucket + ".obs." + region + ".myhuaweicloud.com/"
                    + assetRsp.target.object + "?" + signStr + "&uploadId=" + uploadId;
                let nextPartNumberMarker = 0;

                let result = "<CompleteMultipartUpload>";
                let domParser = new DOMParser();
                while(true) {
                    let resp = sendRequest("GET" , url + "&part-number-marker=" + nextPartNumberMarker, null, {});
                    let dom = domParser.parseFromString(resp, "text/xml");
                    let part = dom.getElementsByTagName("Part");

                    // 构建合并段的参数
                    for(let i = 0;i < part.length;i++){
                        let ele = part[i];
                        let num = ele.getElementsByTagName("PartNumber")[0].firstChild.nodeValue;
                        let tag = ele.getElementsByTagName("ETag")[0].firstChild.nodeValue;
                        result += "<Part>" +
                                    "<PartNumber>" + num + "</PartNumber>" +
                                    "<ETag>" + tag + "</ETag>" +
                                "</Part>"
                            ;
                    }

                    nextPartNumberMarker = Number(dom.getElementsByTagName("NextPartNumberMarker")[0].firstChild.nodeValue);

                    if(nextPartNumberMarker % 1000 != 0) {
                        break;   
                    }
                }
                result += "</CompleteMultipartUpload>";
                return result;
            }

            // 10.获取合并段授权
            function mergeUploadedPartAuthority(assetRsp, uploadId, headers){
                let params = {
                    "http_verb"     : "POST",
                    "bucket"        : assetRsp.target.bucket,
                    "object_key"    : assetRsp.target.object,
                    "upload_id"     : uploadId
                }
                let temp = "?";
                for(let e in params){
                    temp += e + "=" + params[e] + "&";
                }
                let resp = sendRequest("GET", urlList.initAuthUrl + temp, null, headers);
                return JSON.parse(resp);
            }

            // 11.合并段
            function mergeUploadedPart(signStr, partInfo, assetRsp, uploadId){
                let url = "https://" + assetRsp.target.bucket + ".obs." + region + ".myhuaweicloud.com/"
                    + assetRsp.target.object + "?" + signStr + "&uploadId=" + uploadId;
                let resp = sendRequest("POST" , url, partInfo, {"Content-Type":"application/xml"});
            }

            // 12.确认上传
            function confirmUploaded(assetId, headers){
                let body = {
                    "asset_id": assetId,
                    "status":"CREATED" 
                };
                let resp = sendRequest("POST", urlList.confirmUploadedUrl, JSON.stringify(body), headers);
                return console.log(resp);
            }

            // 发送请求并返回结果,可以实际框架情况进行替换
            function sendRequest(method, url, data, headers){
                var xhr = new XMLHttpRequest();
                xhr.open(method, url, false);
                for(let i in headers){
                    xhr.setRequestHeader(i, headers[i]);
                }
                xhr.send(data);
                return xhr.responseText;
            }

            // base64,可以根据实际使用的前端框架进行替换
            var base64js_min = createCommonjsModule(function(e, t) {
                e.exports = function o(n, i, a) {
                    function s(t, e) {
                        if (!i[t]) {
                            if (!n[t]) {
                                var r = "function" == typeof commonjsRequire && commonjsRequire;
                                if (!e && r)
                                    return r(t, !0);
                                if (l)
                                    return l(t, !0);
                                throw (e = new Error("Cannot find module '" + t + "'")).code = "MODULE_NOT_FOUND",
                                e
                            }
                            r = i[t] = {
                                exports: {}
                            },
                            n[t][0].call(r.exports, function(e) {
                                return s(n[t][1][e] || e)
                            }, r, r.exports, o, n, i, a)
                        }
                        return i[t].exports
                    }
                    for (var l = "function" == typeof commonjsRequire && commonjsRequire, e = 0; e < a.length; e++)
                        s(a[e]);
                    return s
                }({
                    "/": [function(e, t, r) {
                        r.byteLength = function(e) {
                            var e = d(e)
                            , t = e[0]
                            , e = e[1];
                            return 3 * (t + e) / 4 - e
                        }
                        ,
                        r.toByteArray = function(e) {
                            for (var t, r = d(e), o = r[0], r = r[1], n = new u(function(e, t) {
                                return 3 * (e + t) / 4 - t
                            }(o, r)), i = 0, a = 0 < r ? o - 4 : o, s = 0; s < a; s += 4)
                                t = l[e.charCodeAt(s)] << 18 | l[e.charCodeAt(s + 1)] << 12 | l[e.charCodeAt(s + 2)] << 6 | l[e.charCodeAt(s + 3)],
                                n[i++] = t >> 16 & 255,
                                n[i++] = t >> 8 & 255,
                                n[i++] = 255 & t;
                            2 === r && (t = l[e.charCodeAt(s)] << 2 | l[e.charCodeAt(s + 1)] >> 4,
                            n[i++] = 255 & t);
                            1 === r && (t = l[e.charCodeAt(s)] << 10 | l[e.charCodeAt(s + 1)] << 4 | l[e.charCodeAt(s + 2)] >> 2,
                            n[i++] = t >> 8 & 255,
                            n[i++] = 255 & t);
                            return n
                        }
                        ,
                        r.fromByteArray = function(e) {
                            for (var t, r = e.length, o = r % 3, n = [], i = 0, a = r - o; i < a; i += 16383)
                                n.push(function(e, t, r) {
                                    for (var o, n = [], i = t; i < r; i += 3)
                                        o = (e[i] << 16 & 16711680) + (e[i + 1] << 8 & 65280) + (255 & e[i + 2]),
                                        n.push(function(e) {
                                            return s[e >> 18 & 63] + s[e >> 12 & 63] + s[e >> 6 & 63] + s[63 & e]
                                        }(o));
                                    return n.join("")
                                }(e, i, a < i + 16383 ? a : i + 16383));
                            1 == o ? (t = e[r - 1],
                            n.push(s[t >> 2] + s[t << 4 & 63] + "==")) : 2 == o && (t = (e[r - 2] << 8) + e[r - 1],
                            n.push(s[t >> 10] + s[t >> 4 & 63] + s[t << 2 & 63] + "="));
                            return n.join("")
                        }
                        ;
                        for (var s = [], l = [], u = "undefined" != typeof Uint8Array ? Uint8Array : Array, o = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/", n = 0, i = o.length; n < i; ++n)
                            s[n] = o[n],
                            l[o.charCodeAt(n)] = n;
                        function d(e) {
                            var t = e.length;
                            if (0 < t % 4)
                                throw new Error("Invalid string. Length must be a multiple of 4");
                            e = e.indexOf("="),
                            t = (e = -1 === e ? t : e) === t ? 0 : 4 - e % 4;
                            return [e, t]
                        }
                        l["-".charCodeAt(0)] = 62,
                        l["_".charCodeAt(0)] = 63
                    }
                    , {}]
                }, {}, [])("/")
            })
            // md5,可以根据实际使用的前端框架进行替换
            , md5_min = createCommonjsModule(function(module) {
                !function() {
                    function t(e) {
                        e ? (d[0] = d[16] = d[1] = d[2] = d[3] = d[4] = d[5] = d[6] = d[7] = d[8] = d[9] = d[10] = d[11] = d[12] = d[13] = d[14] = d[15] = 0,
                        this.blocks = d,
                        this.buffer8 = l) : a ? (e = new ArrayBuffer(68),
                        this.buffer8 = new Uint8Array(e),
                        this.blocks = new Uint32Array(e)) : this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
                        this.h0 = this.h1 = this.h2 = this.h3 = this.start = this.bytes = this.hBytes = 0,
                        this.finalized = this.hashed = !1,
                        this.first = !0
                    }
                    var r = "input is invalid type", e = "object" == ("undefined" == typeof window ? "undefined" : _typeof(window)), i = e ? window : {}, s = (i.JS_MD5_NO_WINDOW && (e = !1),
                    !e && "object" == ("undefined" == typeof self ? "undefined" : _typeof(self))), h = !i.JS_MD5_NO_NODE_JS && "object" == ("undefined" == typeof process ? "undefined" : _typeof(process)) && process.versions && process.versions.node, f = (h ? i = commonjsGlobal : s && (i = self),
                    !i.JS_MD5_NO_COMMON_JS && module.exports), o = !1, a = !i.JS_MD5_NO_ARRAY_BUFFER && "undefined" != typeof ArrayBuffer, n = "0123456789abcdef".split(""), u = [128, 32768, 8388608, -2147483648], y = [0, 8, 16, 24], c = ["hex", "array", "digest", "buffer", "arrayBuffer", "base64"], p = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split(""), d = [], l, A, l, d, b = (a && (A = new ArrayBuffer(68),
                    l = new Uint8Array(A),
                    d = new Uint32Array(A)),
                    !i.JS_MD5_NO_NODE_JS && Array.isArray || (Array.isArray = function(e) {
                        return "[object Array]" === Object.prototype.toString.call(e)
                    }
                    ),
                    !a || !i.JS_MD5_NO_ARRAY_BUFFER_IS_VIEW && ArrayBuffer.isView || (ArrayBuffer.isView = function(e) {
                        return "object" == _typeof(e) && e.buffer && e.buffer.constructor === ArrayBuffer
                    }
                    ),
                    function(r) {
                        return function(e) {
                            return new t(!0).update(e)[r]()
                        }
                    }
                    ), v = function() {
                        var r = b("hex");
                        (r = h ? w(r) : r).create = function() {
                            return new t
                        }
                        ,
                        r.update = function(e) {
                            return r.create().update(e)
                        }
                        ;
                        for (var e = 0; e < c.length; ++e) {
                            var o = c[e];
                            r[o] = b(o)
                        }
                        return r
                    }, w = function w(t) {
                        var e = eval("require('crypto')")
                        , i = eval("require('buffer').Buffer")
                        , s = function(o) {
                            if ("string" == typeof o)
                                return e.createHash("md5").update(o, "utf8").digest("hex");
                            if (null == o)
                                throw r;
                            return o.constructor === ArrayBuffer && (o = new Uint8Array(o)),
                            Array.isArray(o) || ArrayBuffer.isView(o) || o.constructor === i ? e.createHash("md5").update(new i(o)).digest("hex") : t(o)
                        };
                        return s
                    }, _ = (t.prototype.update = function(e) {
                        if (!this.finalized) {
                            var t, o = _typeof(e);
                            if ("string" !== o) {
                                if ("object" !== o)
                                    throw r;
                                if (null === e)
                                    throw r;
                                if (a && e.constructor === ArrayBuffer)
                                    e = new Uint8Array(e);
                                else if (!(Array.isArray(e) || a && ArrayBuffer.isView(e)))
                                    throw r;
                                t = !0
                            }
                            for (var n, i, s = 0, l = e.length, u = this.blocks, d = this.buffer8; s < l; ) {
                                if (this.hashed && (this.hashed = !1,
                                u[0] = u[16],
                                u[16] = u[1] = u[2] = u[3] = u[4] = u[5] = u[6] = u[7] = u[8] = u[9] = u[10] = u[11] = u[12] = u[13] = u[14] = u[15] = 0),
                                t)
                                    if (a)
                                        for (i = this.start; s < l && i < 64; ++s)
                                            d[i++] = e[s];
                                    else
                                        for (i = this.start; s < l && i < 64; ++s)
                                            u[i >> 2] |= e[s] << y[3 & i++];
                                else if (a)
                                    for (i = this.start; s < l && i < 64; ++s)
                                        (n = e.charCodeAt(s)) < 128 ? d[i++] = n : (n < 2048 ? d[i++] = 192 | n >> 6 : (n < 55296 || 57344 <= n ? d[i++] = 224 | n >> 12 : (n = 65536 + ((1023 & n) << 10 | 1023 & e.charCodeAt(++s)),
                                        d[i++] = 240 | n >> 18,
                                        d[i++] = 128 | n >> 12 & 63),
                                        d[i++] = 128 | n >> 6 & 63),
                                        d[i++] = 128 | 63 & n);
                                else
                                    for (i = this.start; s < l && i < 64; ++s)
                                        (n = e.charCodeAt(s)) < 128 ? u[i >> 2] |= n << y[3 & i++] : (n < 2048 ? u[i >> 2] |= (192 | n >> 6) << y[3 & i++] : (n < 55296 || 57344 <= n ? u[i >> 2] |= (224 | n >> 12) << y[3 & i++] : (n = 65536 + ((1023 & n) << 10 | 1023 & e.charCodeAt(++s)),
                                        u[i >> 2] |= (240 | n >> 18) << y[3 & i++],
                                        u[i >> 2] |= (128 | n >> 12 & 63) << y[3 & i++]),
                                        u[i >> 2] |= (128 | n >> 6 & 63) << y[3 & i++]),
                                        u[i >> 2] |= (128 | 63 & n) << y[3 & i++]);
                                this.lastByteIndex = i,
                                this.bytes += i - this.start,
                                64 <= i ? (this.start = i - 64,
                                this.hash(),
                                this.hashed = !0) : this.start = i
                            }
                            return 4294967295 < this.bytes && (this.hBytes += this.bytes / 4294967296 << 0,
                            this.bytes = this.bytes % 4294967296),
                            this
                        }
                    }
                    ,
                    t.prototype.finalize = function() {
                        var e, t;
                        this.finalized || (this.finalized = !0,
                        (e = this.blocks)[(t = this.lastByteIndex) >> 2] |= u[3 & t],
                        56 <= t && (this.hashed || this.hash(),
                        e[0] = e[16],
                        e[16] = e[1] = e[2] = e[3] = e[4] = e[5] = e[6] = e[7] = e[8] = e[9] = e[10] = e[11] = e[12] = e[13] = e[14] = e[15] = 0),
                        e[14] = this.bytes << 3,
                        e[15] = this.hBytes << 3 | this.bytes >>> 29,
                        this.hash())
                    }
                    ,
                    t.prototype.hash = function() {
                        var e, t, r, o, n, i = this.blocks, a = this.first ? ((a = ((e = ((e = i[0] - 680876937) << 7 | e >>> 25) - 271733879 << 0) ^ (t = ((t = (-271733879 ^ (r = ((r = (-1732584194 ^ 2004318071 & e) + i[1] - 117830708) << 12 | r >>> 20) + e << 0) & (-271733879 ^ e)) + i[2] - 1126478375) << 17 | t >>> 15) + r << 0) & (r ^ e)) + i[3] - 1316259209) << 22 | a >>> 10) + t << 0 : (e = this.h0,
                        a = this.h1,
                        t = this.h2,
                        ((a += ((e = ((e += ((r = this.h3) ^ a & (t ^ r)) + i[0] - 680876936) << 7 | e >>> 25) + a << 0) ^ (t = ((t += (a ^ (r = ((r += (t ^ e & (a ^ t)) + i[1] - 389564586) << 12 | r >>> 20) + e << 0) & (e ^ a)) + i[2] + 606105819) << 17 | t >>> 15) + r << 0) & (r ^ e)) + i[3] - 1044525330) << 22 | a >>> 10) + t << 0);
                        a = ((a += ((e = ((e += (r ^ a & (t ^ r)) + i[4] - 176418897) << 7 | e >>> 25) + a << 0) ^ (t = ((t += (a ^ (r = ((r += (t ^ e & (a ^ t)) + i[5] + 1200080426) << 12 | r >>> 20) + e << 0) & (e ^ a)) + i[6] - 1473231341) << 17 | t >>> 15) + r << 0) & (r ^ e)) + i[7] - 45705983) << 22 | a >>> 10) + t << 0,
                        a = ((a += ((e = ((e += (r ^ a & (t ^ r)) + i[8] + 1770035416) << 7 | e >>> 25) + a << 0) ^ (t = ((t += (a ^ (r = ((r += (t ^ e & (a ^ t)) + i[9] - 1958414417) << 12 | r >>> 20) + e << 0) & (e ^ a)) + i[10] - 42063) << 17 | t >>> 15) + r << 0) & (r ^ e)) + i[11] - 1990404162) << 22 | a >>> 10) + t << 0,
                        a = ((a += ((e = ((e += (r ^ a & (t ^ r)) + i[12] + 1804603682) << 7 | e >>> 25) + a << 0) ^ (t = ((t += (a ^ (r = ((r += (t ^ e & (a ^ t)) + i[13] - 40341101) << 12 | r >>> 20) + e << 0) & (e ^ a)) + i[14] - 1502002290) << 17 | t >>> 15) + r << 0) & (r ^ e)) + i[15] + 1236535329) << 22 | a >>> 10) + t << 0,
                        a = ((a += ((r = ((r += (a ^ t & ((e = ((e += (t ^ r & (a ^ t)) + i[1] - 165796510) << 5 | e >>> 27) + a << 0) ^ a)) + i[6] - 1069501632) << 9 | r >>> 23) + e << 0) ^ e & ((t = ((t += (e ^ a & (r ^ e)) + i[11] + 643717713) << 14 | t >>> 18) + r << 0) ^ r)) + i[0] - 373897302) << 20 | a >>> 12) + t << 0,
                        a = ((a += ((r = ((r += (a ^ t & ((e = ((e += (t ^ r & (a ^ t)) + i[5] - 701558691) << 5 | e >>> 27) + a << 0) ^ a)) + i[10] + 38016083) << 9 | r >>> 23) + e << 0) ^ e & ((t = ((t += (e ^ a & (r ^ e)) + i[15] - 660478335) << 14 | t >>> 18) + r << 0) ^ r)) + i[4] - 405537848) << 20 | a >>> 12) + t << 0,
                        a = ((a += ((r = ((r += (a ^ t & ((e = ((e += (t ^ r & (a ^ t)) + i[9] + 568446438) << 5 | e >>> 27) + a << 0) ^ a)) + i[14] - 1019803690) << 9 | r >>> 23) + e << 0) ^ e & ((t = ((t += (e ^ a & (r ^ e)) + i[3] - 187363961) << 14 | t >>> 18) + r << 0) ^ r)) + i[8] + 1163531501) << 20 | a >>> 12) + t << 0,
                        a = ((a += ((r = ((r += (a ^ t & ((e = ((e += (t ^ r & (a ^ t)) + i[13] - 1444681467) << 5 | e >>> 27) + a << 0) ^ a)) + i[2] - 51403784) << 9 | r >>> 23) + e << 0) ^ e & ((t = ((t += (e ^ a & (r ^ e)) + i[7] + 1735328473) << 14 | t >>> 18) + r << 0) ^ r)) + i[12] - 1926607734) << 20 | a >>> 12) + t << 0,
                        a = ((a += ((n = (r = ((r += ((o = a ^ t) ^ (e = ((e += (o ^ r) + i[5] - 378558) << 4 | e >>> 28) + a << 0)) + i[8] - 2022574463) << 11 | r >>> 21) + e << 0) ^ e) ^ (t = ((t += (n ^ a) + i[11] + 1839030562) << 16 | t >>> 16) + r << 0)) + i[14] - 35309556) << 23 | a >>> 9) + t << 0,
                        a = ((a += ((n = (r = ((r += ((o = a ^ t) ^ (e = ((e += (o ^ r) + i[1] - 1530992060) << 4 | e >>> 28) + a << 0)) + i[4] + 1272893353) << 11 | r >>> 21) + e << 0) ^ e) ^ (t = ((t += (n ^ a) + i[7] - 155497632) << 16 | t >>> 16) + r << 0)) + i[10] - 1094730640) << 23 | a >>> 9) + t << 0,
                        a = ((a += ((n = (r = ((r += ((o = a ^ t) ^ (e = ((e += (o ^ r) + i[13] + 681279174) << 4 | e >>> 28) + a << 0)) + i[0] - 358537222) << 11 | r >>> 21) + e << 0) ^ e) ^ (t = ((t += (n ^ a) + i[3] - 722521979) << 16 | t >>> 16) + r << 0)) + i[6] + 76029189) << 23 | a >>> 9) + t << 0,
                        a = ((a += ((n = (r = ((r += ((o = a ^ t) ^ (e = ((e += (o ^ r) + i[9] - 640364487) << 4 | e >>> 28) + a << 0)) + i[12] - 421815835) << 11 | r >>> 21) + e << 0) ^ e) ^ (t = ((t += (n ^ a) + i[15] + 530742520) << 16 | t >>> 16) + r << 0)) + i[2] - 995338651) << 23 | a >>> 9) + t << 0,
                        a = ((a += ((r = ((r += (a ^ ((e = ((e += (t ^ (a | ~r)) + i[0] - 198630844) << 6 | e >>> 26) + a << 0) | ~t)) + i[7] + 1126891415) << 10 | r >>> 22) + e << 0) ^ ((t = ((t += (e ^ (r | ~a)) + i[14] - 1416354905) << 15 | t >>> 17) + r << 0) | ~e)) + i[5] - 57434055) << 21 | a >>> 11) + t << 0,
                        a = ((a += ((r = ((r += (a ^ ((e = ((e += (t ^ (a | ~r)) + i[12] + 1700485571) << 6 | e >>> 26) + a << 0) | ~t)) + i[3] - 1894986606) << 10 | r >>> 22) + e << 0) ^ ((t = ((t += (e ^ (r | ~a)) + i[10] - 1051523) << 15 | t >>> 17) + r << 0) | ~e)) + i[1] - 2054922799) << 21 | a >>> 11) + t << 0,
                        a = ((a += ((r = ((r += (a ^ ((e = ((e += (t ^ (a | ~r)) + i[8] + 1873313359) << 6 | e >>> 26) + a << 0) | ~t)) + i[15] - 30611744) << 10 | r >>> 22) + e << 0) ^ ((t = ((t += (e ^ (r | ~a)) + i[6] - 1560198380) << 15 | t >>> 17) + r << 0) | ~e)) + i[13] + 1309151649) << 21 | a >>> 11) + t << 0,
                        a = ((a += ((r = ((r += (a ^ ((e = ((e += (t ^ (a | ~r)) + i[4] - 145523070) << 6 | e >>> 26) + a << 0) | ~t)) + i[11] - 1120210379) << 10 | r >>> 22) + e << 0) ^ ((t = ((t += (e ^ (r | ~a)) + i[2] + 718787259) << 15 | t >>> 17) + r << 0) | ~e)) + i[9] - 343485551) << 21 | a >>> 11) + t << 0,
                        this.first ? (this.h0 = e + 1732584193 << 0,
                        this.h1 = a - 271733879 << 0,
                        this.h2 = t - 1732584194 << 0,
                        this.h3 = r + 271733878 << 0,
                        this.first = !1) : (this.h0 = this.h0 + e << 0,
                        this.h1 = this.h1 + a << 0,
                        this.h2 = this.h2 + t << 0,
                        this.h3 = this.h3 + r << 0)
                    }
                    ,
                    t.prototype.hex = function() {
                        this.finalize();
                        var e = this.h0
                        , t = this.h1
                        , r = this.h2
                        , o = this.h3;
                        return n[e >> 4 & 15] + n[15 & e] + n[e >> 12 & 15] + n[e >> 8 & 15] + n[e >> 20 & 15] + n[e >> 16 & 15] + n[e >> 28 & 15] + n[e >> 24 & 15] + n[t >> 4 & 15] + n[15 & t] + n[t >> 12 & 15] + n[t >> 8 & 15] + n[t >> 20 & 15] + n[t >> 16 & 15] + n[t >> 28 & 15] + n[t >> 24 & 15] + n[r >> 4 & 15] + n[15 & r] + n[r >> 12 & 15] + n[r >> 8 & 15] + n[r >> 20 & 15] + n[r >> 16 & 15] + n[r >> 28 & 15] + n[r >> 24 & 15] + n[o >> 4 & 15] + n[15 & o] + n[o >> 12 & 15] + n[o >> 8 & 15] + n[o >> 20 & 15] + n[o >> 16 & 15] + n[o >> 28 & 15] + n[o >> 24 & 15]
                    }
                    ,
                    t.prototype.toString = t.prototype.hex,
                    t.prototype.digest = function() {
                        this.finalize();
                        var e = this.h0
                        , t = this.h1
                        , r = this.h2
                        , o = this.h3;
                        return [255 & e, e >> 8 & 255, e >> 16 & 255, e >> 24 & 255, 255 & t, t >> 8 & 255, t >> 16 & 255, t >> 24 & 255, 255 & r, r >> 8 & 255, r >> 16 & 255, r >> 24 & 255, 255 & o, o >> 8 & 255, o >> 16 & 255, o >> 24 & 255]
                    }
                    ,
                    t.prototype.array = t.prototype.digest,
                    t.prototype.arrayBuffer = function() {
                        this.finalize();
                        var e = new ArrayBuffer(16)
                        , t = new Uint32Array(e);
                        return t[0] = this.h0,
                        t[1] = this.h1,
                        t[2] = this.h2,
                        t[3] = this.h3,
                        e
                    }
                    ,
                    t.prototype.buffer = t.prototype.arrayBuffer,
                    t.prototype.base64 = function() {
                        for (var e, t, r, o = "", n = this.array(), i = 0; i < 15; )
                            e = n[i++],
                            t = n[i++],
                            r = n[i++],
                            o += p[e >>> 2] + p[63 & (e << 4 | t >>> 4)] + p[63 & (t << 2 | r >>> 6)] + p[63 & r];
                        return e = n[i],
                        o + (p[e >>> 2] + p[e << 4 & 63] + "==")
                    }
                    ,
                    v());
                    f ? module.exports = _ : i.md5 = _
                }()
            });

            function _typeof(e) {
                return (_typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function(e) {
                    return typeof e
                }
                : function(e) {
                    return e && "function" == typeof Symbol && e.constructor === Symbol && e !== Symbol.prototype ? "symbol" : typeof e
                }
                )(e)
            }

            function createCommonjsModule(e, t) {
                return e(t = {
                    exports: {}
                }, t.exports),
                t.exports
            }

            function Str2Bytes(e) {
                var t = 0
                , r = e.length;
                if (r % 2 != 0)
                    return null;
                r /= 2;
                for (var o = new Array, n = 0; n < r; n++) {
                    var i = e.substr(t, 2)
                    , i = parseInt(i, 16);
                    o.push(i),
                    t += 2
                }
                return o
            }

        </script>
    </head>

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