Updated on 2024-12-04 GMT+08:00
JavaScript
Sample code of multipart upload using JavaScript:
<!DOCTYPE html>
<html>
<head>
<script>
// Token authentication
var token = "";
var projectId = "";
const region = "cn-north-4";
var urlList;
function initUrl(projectId){
let url = {
// API for creating a media asset.
createAssetUrl : "https://vod."+region+".myhuaweicloud.com/v1.0/"+projectId+"/asset",
// API for obtaining authorization.
initAuthUrl : "https://vod."+region+".myhuaweicloud.com/v1.0/"+projectId+"/asset/authority",
// API for confirming media asset upload.
confirmUploadedUrl : "https://vod."+region+".myhuaweicloud.com/v1.0/"+projectId+"/asset/status/uploaded"
}
return url;
}
// The file part size is 1 MB (adjustable).
const bufferSize = 1024 * 1024;
// Start upload.
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];
// An MP4 file is used as an example. For details about other formats, see the official website.
let fileType = "MP4";
let fileContentType = "video/mp4";
// 1. Set the request header. Token authentication is used as an example.
let headers = {
"X-Auth-Token": token,
"Content-Type": "application/json"
}
// 2. Create a VOD media asset.
let assetRsp = createAsset(file.name, file.name, fileType, headers);
// 3. Obtain authorization for initializing an upload task.
let initAuthResponse = getInitAuth(assetRsp, fileContentType, headers);
// 4. Initialize the multipart upload task.
let uploadId = initPartUpload(initAuthResponse, assetRsp, fileContentType);
// 5. Count the number of file parts.
let partNumber = 1;
// 6. Specify the location where file data is read.
let position = 0;
let blobSlice = File.prototype.mozSlice || File.prototype.webkitSlice || File.prototype.slice;
// 7. Repeat steps 5 to 6 to upload parts.
readAndUpload(file, blobSlice, position, partNumber, assetRsp, fileContentType, uploadId, headers,
function(assetRsp, uploadId, headers){
// 8. Obtain authorization for listing uploaded parts.
let listAuthResp = listUploadedPartAuthority(assetRsp, uploadId, headers);
// 9. List uploaded parts.
let partInfo = listUploadedPart(listAuthResp.sign_str, assetRsp, uploadId);
// 10. Obtain authorization for merging parts.
let mergeAuthResp = mergeUploadedPartAuthority(assetRsp, uploadId, headers);
// 11. Merge parts.
mergeUploadedPart(mergeAuthResp.sign_str, partInfo, assetRsp, uploadId);
// 12. Confirm the upload.
confirmUploaded(assetRsp.asset_id, headers);
alert("Uploaded;assetId:" + assetRsp.asset_id);
}
);
}
// 2. Create a VOD media asset.
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. Obtain authorization for initializing an upload task.
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. Initialize the multipart upload and upload ID is returned.
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. Obtain authorization for multipart upload.
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),// There are special characters, which should be escaped.
"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. Upload parts.
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. Repeat steps 5 to 6 to upload parts.
function readAndUpload(file, blobSlice, position, partNum, assetRsp, fileContentType, uploadId, headers, afterUpload){
let fileReader = new FileReader();
fileReader.onload = function(e) {
// Obtain the MD5 value of a file part.
let md5 = md5_min(e.target.result);
// Convert the MD5 value to a byte array.
let bmd5 = Str2Bytes(md5);
// Encode the MD5 byte array using Base64.
let content_md5 = base64js_min.fromByteArray(bmd5);
// 5. Obtain authorization for multipart upload.
let uploadAuth = getPartUploadAuthority(assetRsp, fileContentType, uploadId, content_md5, partNum, headers);
// 6. Upload parts.
uploadPartFile(uploadAuth, assetRsp, content_md5, partNum, uploadId, e.target.result);
partNum++;
// Check whether the data read is complete. If not, continue the upload.
if(position + bufferSize < file.size){
readAndUpload(file, blobSlice, position + bufferSize, partNum, assetRsp, fileContentType, uploadId, headers, afterUpload);
} else {
// After the upload is complete, perform the subsequent steps.
afterUpload(assetRsp, uploadId, headers);
}
}
fileReader.readAsArrayBuffer(blobSlice.call(file, position, position + bufferSize));
}
// 8. Obtain authorization for listing uploaded parts.
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. Query uploaded parts.
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");
// Construct parameters for merging parts.
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. Obtain authorization for merging parts.
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. Merge parts.
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. Confirm the upload.
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);
}
// Send a request and wait for result return. Change the content based on the actual framework.
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, which can be replaced based on the actual frontend framework.
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, which can be replaced based on the actual frontend framework.
, 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>
<body>
<p>projectId: <input type="input" id="projectId"></input></p>
<p>token: <input type="input" id="token"></input></p>
<p><input type="file" id="file"></input></p>
<button onclick="startUpload()">Upload</button>
</body>
</html>
Parent topic: Sample Code for Multipart Upload
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