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88 lines
1.9 KiB
JavaScript
88 lines
1.9 KiB
JavaScript
//This worker will be used for cryptographic, long running and API calls
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//to keep the UI free
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import Api from './api.js'
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const name = 'main'
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function hexString(buffer) {
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const byteArray = new Uint8Array(buffer);
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const hexCodes = [...byteArray].map(value => {
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const hexCode = value.toString(16);
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const paddedHexCode = hexCode.padStart(2, '0');
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return paddedHexCode;
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});
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return hexCodes.join('');
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}
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async function getSHA256(file){
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// Read as array buffer
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let fileReader = new FileReaderSync();
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let buffer = fileReader.readAsArrayBuffer(file);
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// Return hex encoded sha256
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return crypto.subtle.digest('SHA-256', buffer)
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.then(v => { return hexString(v) })
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}
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async function newUpload(files){
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let filesMetadata = await Promise.all(files.map(async (f) => {
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return {
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lastModified: f.lastModified,
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type: f.type,
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name: f.name,
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size: f.size,
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sha256: await getSHA256(f)
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}
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}))
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// Get sha256
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//for (let file of files) {
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// let sha256 = getSHA256(file)
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// file.sha256 = sha256
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// console.log(files)
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//}
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let upload = new Api.Upload(filesMetadata, files)
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await upload.create()
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.then(data => {
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// Get the upload id
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let { result: { id: id } } = data
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// Notify the UI
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postMessage({msg: 'upload-id', id: id})
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// Send the files
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upload.send()
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})
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}
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self.onmessage = e => {
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switch (e.data.msg) {
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case 'init':
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console.log(`initialized ${name} worker`);
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break;
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case 'file-sha256':
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getSHA256(e.data.payload)
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break;
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case 'new-upload':
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newUpload(e.data.payload)
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break;
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default:
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console.log(`${name} worker: need {msg: "message type", ... }`)
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}
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}
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