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upload.js
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upload.js
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var fileQueue = [], addQueue = [];
var totalTracks = 0, uploadedTracks = 0;
function addFiles(files){
revealQueue();
for(var i = 0; i < files.length; i++){
addQueue.push(files[i])
};
}
function makeObjectURL(f){
var url;
if(window.createObjectURL){
url = window.createObjectURL(f)
}else if(window.createBlobURL){
url = window.createBlobURL(f)
}else if(window.URL && window.URL.createObjectURL){
url = window.URL.createObjectURL(f)
}else if(window.webkitURL && window.webkitURL.createObjectURL){
url = window.webkitURL.createObjectURL(f)
}
return url;
}
function measureDuration(file, callback){
var url = makeObjectURL(file);
var audio = new Audio(url);
audio.addEventListener('loadedmetadata', function(){
var durationMilliseconds = Math.floor(audio.duration * 1000);
callback(durationMilliseconds);
}, false)
}
function processAddQueue(){
setTimeout(processAddQueue, 1000);
var file = addQueue.shift();
if(!file || file.name == "." || !/\.mp3$/i.test(file.name)){
return;
}
ID3v2.parseFile2(file, function(meta){
measureDuration(file, function(e){
meta.durationMilliseconds = e;
file.meta = meta;
meta.html = addToList(meta);
fileQueue.push(file);
totalTracks++;
})
})
}
processAddQueue();
function processUploadQueue(){
var file = fileQueue.shift();
if(!file) return setTimeout(processUploadQueue, 1000);
var meta = file.meta;
meta.html.className = 'current';
if(meta.html.scrollIntoViewIfNeeded){
meta.html.scrollIntoViewIfNeeded()
}
Metadata(file);
}
processUploadQueue();
function finalizeUpload(file){
updateProgress(1);
setTimeout(function(){
polar_state = !polar_state;
uploadedTracks++;
polar_p2.reset();
renderPolar();
file.meta.html.className = 'finished';
processUploadQueue()
}, 1000);
}
function updateProgress(current){
updatePolar((current + uploadedTracks) / totalTracks, current)
}
function protopost(path, proto, resp, callback){
var xhr = new XMLHttpRequest();
xhr.open('POST', 'https://music-alpha.appspot.com/'+path);
xhr.responseType = 'arraybuffer'
xhr.setRequestHeader('X-Cookie', 'SID='+SID);
//console.log(proto.SerializeToArray())
var array = new Uint8Array(proto.SerializeToArray());
xhr.send(array.buffer);
xhr.onload = function(){
//console.log(xhr.response)
var array = new Uint8Array(xhr.response);
if(array.length > 140){
var str = [].slice.call(array,0).map(function(e){
return String.fromCharCode(e)
}).join('');
if(/Error 403/.test(str) && /^\<\!DOCTYPE/i.test(str)){
callback(null);
return;
}
}
//console.log(array);
resp.ParseFromArray([].slice.call(array,0));
callback(resp);
}
}
function UploadAuth(callback){
var uauth = new SkyJam.UploadAuth();
uauth.hostname = HostName;
uauth.address = MAC;
protopost('upauth', uauth, new SkyJam.UploadAuthResponse(), function(e){
//console.log(e);
callback(e);
})
}
function ClientState(callback){
var cstate = new SkyJam.ClientState();
cstate.address = MAC;
protopost('clientstate', cstate, new SkyJam.ClientStateResponse(), function(e){
if(!e){
alert("Error retrieving current client state.");
}
var quota = e.quota;
console.log(quota.totalTracks, quota.maximumTracks);
callback(quota)
})
}
function Metadata(file){
var metadata = new SkyJam.MetadataRequest();
metadata.address = MAC;
var track = metadata.tracks.push();
var id = Math.random().toString(36).slice(2);
track.clientId = id;
var meta = file.meta;
meta.clientId = id;
track.fileSize = file.fileSize;
track.bitrate = 192; //TODO: actually know this
track.durationMilliseconds = meta.durationMilliseconds;
track.album = meta.Album;
track.artist = meta.Artist;
track.genre = meta.Genre;
track.year = parseInt(meta.Year);
track.title = meta.Title;
track.composer = meta.Composer;
var tr = (meta['Track number']||'').split('/');
track.track = parseInt(tr[0], 10);
track.totalTracks = parseInt(tr[1], 10)
var ds = (meta['Part of a set']||'').split('/')
track.discnumber = parseInt(ds[0], 10);
track.totalDiscs = parseInt(ds[1], 10);
console.log(file);
protopost('metadata?version=1', metadata, new SkyJam.MetadataResponse(), function(e){
var uploads = e.response.uploads;
updateProgress(0.05);
//WARNING: this runs under the assumption that this loop only has one element
//sure it's useless, but whatever, mabye it'll get better one day
for(var i = 0; i < uploads.length; i++){
var upload = uploads[i];
//file.meta.clientId = upload.clientId;
file.meta.serverId = upload.serverId;
}
BeginUpload(file);
//console.log(e)
})
}
function BeginUpload(file){
var meta = file.meta;
var inlined = {
"title": "jumper-uploader-title-42",
"ClientId": meta.clientId,
"ClientTotalSongCount": "1",
"CurrentTotalUploadedCount": "0",
"CurrentUploadingTrack": meta.Title,
"ServerId": meta.serverId,
"SyncNow": "true",
"TrackBitRate": "192",
"TrackDoNotRematch": "false",
"UploaderId": MAC
};
var payload = {
"clientId": "Jumper Uploader",
"createSessionRequest": {
"fields": [
{
"external": {
"filename": file.fileName,
"name": file.webkitRelativePath,
"put": {},
"size": file.size
}
}
]
},
"protocolVersion": "0.8"
};
for(var key in inlined){
payload.createSessionRequest.fields.push({inlined: {
content: inlined[key],
name: key
}})
}
var attempts = 0;
function tryUpload(){
attempts++;
var xhr = new XMLHttpRequest();
xhr.open('POST', 'http://uploadsj.clients.google.com/uploadsj/rupio', true);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.send(JSON.stringify(payload));
xhr.onload = function(){
var json = JSON.parse(xhr.responseText);
if(json.errorMessage){
setTimeout(tryUpload, 500)
updateProgress(Math.min(1, attempts/7) * 0.10 + 0.05)
}else{
var upload = json.sessionStatus.externalFieldTransfers[0];
updateProgress(0.25);
UploadFile(file, upload);
}
}
}
tryUpload();
}
//6679,7588,6668,6595,7364,6201,6600,5646,7805,8799,6142
function UploadFile(file, params){
var xhr = new XMLHttpRequest();
xhr.open('PUT', params.putInfo.url, true);
xhr.setRequestHeader('Content-Type', params.content_type);
xhr.upload.addEventListener('progress', function(evt){
var up = (evt.loaded/evt.total);
updateProgress(0.15 + up * 0.60);
}, false);
var uploaded = 0;
xhr.upload.addEventListener('load', function(evt){
var n = 0.01, c = 0;
uploaded = +new Date;
function update(){
c += (n+=0.02);
if(xhr.readyState != 4 && c < 1){
updateProgress(0.75 + 0.24 * c);
setTimeout(update, 800)
}
}
update();
}, false);
xhr.onload = function(){
updateProgress(1);
//console.log(new Date - uploaded)
var json = JSON.parse(xhr.responseText);
finalizeUpload(file);
}
xhr.send(file)
}
var SID = '';
if(!localStorage.uuid){
var d = new Date();
localStorage.uuid = "MusicAlpha-"+Math.floor(1000000000*Math.random());
}
var HostName = localStorage.uuid;
var MAC = '13:32:42:'+SHA1(localStorage.uuid).replace(/(..)/g,'$1:').slice(0, 8); //pseudo-MAC;
function checkLogin(){
if(SID) return;
chrome.cookies.get({
url: 'http://play.google.com/music',
name:'SID'
}, function(info){
if(!info){
document.getElementById('login').style.display = ''
document.getElementById('uploader').style.display = 'none'
document.addEventListener("webkitvisibilitychange", checkLogin, false);
}else{
SID = info.value;
document.getElementById('uploader').style.display = '';
document.getElementById('login').style.display = 'none';
UploadAuth(function(e){
if(e){
document.getElementById('uploader').style.opacity = '1';
ClientState(function(quota){
updatePolar((quota.totalTracks + quota.availableTracks) / quota.maximumTracks, 1)
})
}else{
alert("Error trying to authenticate uploader.")
}
})
}
})
}
checkLogin();