bit4sat/web/src/worker.js

134 lines
3.2 KiB
JavaScript
Raw Normal View History

2019-03-23 17:01:49 +00:00
//This worker will be used for cryptographic, long running and API calls
//to keep the UI free
import Api from './api.js'
const name = 'main'
2019-03-30 18:42:41 +00:00
// TODO
//if (window.isSecureContext) {
//// Page is a secure context so service workers are now available
//navigator.serviceWorker.register("/offline-worker.js").then(function () {
//...
//});
//}
2019-03-23 17:01:49 +00:00
function hexString(buffer) {
const byteArray = new Uint8Array(buffer);
const hexCodes = [...byteArray].map(value => {
const hexCode = value.toString(16);
const paddedHexCode = hexCode.padStart(2, '0');
return paddedHexCode;
});
return hexCodes.join('');
}
async function getSHA256(file){
// Read as array buffer
let fileReader = new FileReaderSync();
let buffer = fileReader.readAsArrayBuffer(file);
// Return hex encoded sha256
return crypto.subtle.digest('SHA-256', buffer)
.then(v => { return hexString(v) })
}
async function newUpload(files){
let filesMetadata = await Promise.all(files.map(async (f) => {
return {
lastModified: f.lastModified,
type: f.type,
name: f.name,
size: f.size,
sha256: await getSHA256(f)
}
}))
// Get sha256
//for (let file of files) {
// let sha256 = getSHA256(file)
// file.sha256 = sha256
// console.log(files)
//}
let upload = new Api.Upload(filesMetadata, files)
2019-03-30 18:42:41 +00:00
// Ask permission to send a new upload
2019-03-23 17:01:49 +00:00
await upload.create()
.then(data => {
// Get the upload id
2019-04-02 13:53:00 +00:00
//let { result: {
//upload_id: id,
//invoice: invoice ,
//status: status
//} } = data;
2019-03-23 17:01:49 +00:00
// Notify the UI
2019-04-02 13:53:00 +00:00
console.log('notifying')
console.log(Object.assign({msg: 'upload-invoice'}, data) )
postMessage( Object.assign({msg: 'upload-invoice'}, data) )
return data
2019-03-30 18:42:41 +00:00
2019-04-02 13:53:00 +00:00
})
.catch((e)=>{console.error('could not start upload ', e)})
2019-03-30 18:42:41 +00:00
2019-04-02 13:53:00 +00:00
// send the files
await upload.send()
.then(resp =>{
console.log('storage done')
console.log(resp);
})
.catch(err =>{
console.error(err)
})
2019-03-30 18:42:41 +00:00
2019-04-02 13:53:00 +00:00
// Poll upload state
await upload.checkstatus()
.then(data =>{
postMessage(Object.assign({msg: 'payment-received'}, data));
2019-03-23 17:01:49 +00:00
})
2019-04-02 13:53:00 +00:00
.catch((e)=>{console.error(e)})
2019-03-23 17:01:49 +00:00
}
self.onmessage = e => {
switch (e.data.msg) {
case 'init':
console.log(`initialized ${name} worker`);
break;
case 'file-sha256':
getSHA256(e.data.payload)
break;
case 'new-upload':
newUpload(e.data.payload)
break;
2019-04-02 13:53:00 +00:00
case 'watch-payment':
console.log('worker watching payment ' + e.data.uploadId);
Api.checkUploadStatus(e.data.uploadId)
.then((data)=>{
self.postMessage(Object.assign({msg: 'payment-received'}, data))
console.log('payment status update !')
console.log(data)
})
break;
2019-03-23 17:01:49 +00:00
default:
console.log(`${name} worker: need {msg: "message type", ... }`)
2019-04-02 13:53:00 +00:00
break;
2019-03-23 17:01:49 +00:00
}
}