mirror of
https://github.com/thegecko/web-bluetooth-dfu.git
synced 2025-12-14 13:08:14 +08:00
Added secure web example
This commit is contained in:
Rob Moran
261
examples/secure_dfu_web.html
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261
examples/secure_dfu_web.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>Web Bluetooth Secure DFU</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
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<link href="https://fonts.googleapis.com/css?family=Raleway:400,600" rel="stylesheet">
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<style>
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body {
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font-family: 'Raleway', sans-serif;
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color: #d7ecfb;
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background-color: #072b44;
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text-align: center;
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}
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h1 {
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font-weight: 400;
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}
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strong {
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font-weight: 600;
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}
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#drop {
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margin: 40px auto;
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max-width: 640px;
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background-color: rgba(255, 255, 255, 0.10);
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position: relative;
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padding: 100px 0px 70px;
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outline: 2px dashed #072b44;
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outline-offset: -10px;
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}
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#drop.hover {
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outline-offset: -10px;
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background-color: rgba(255, 255, 255, 0.15);
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}
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#icon {
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width: 100%;
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height: 40px;
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fill: #d7ecfb;
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display: block;
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margin-bottom: 40px;
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}
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#file {
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width: 0.1px;
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height: 0.1px;
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opacity: 0;
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overflow: hidden;
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position: absolute;
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z-index: -1;
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}
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#label {
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cursor: pointer;
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display: block;
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}
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#label:hover strong {
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color: #8bb5ba;
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}
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#update {
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position: absolute;
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width: 100%;
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z-index: 1;
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visibility: hidden;
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}
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#button {
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font-size: 12px;
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color: #d5e8f1;
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margin: 20px auto;
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border: 0px;
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background-color: #1b679c;
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outline: none;
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height: 30px;
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padding: 0 30px;
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border-radius: 4px;
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text-transform: uppercase;
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cursor: pointer;
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}
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#button:hover {
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background: #2674ab;
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}
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#status {
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position: relative;
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margin: 20px auto;
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border: 1px solid #d7ecfb;
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width: 400px;
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height: 24px;
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visibility: hidden;
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}
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#bar {
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background: #2674ab;
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width: 0%;
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height: 100%;
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}
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#transfer {
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position: absolute;
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line-height: 24px;
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width: 100%;
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}
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</style>
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</head>
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<body>
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<h1>Web Bluetooth Secure Device Firmware Update</h1>
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<div id="drop">
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<svg id="icon" xmlns="http://www.w3.org/2000/svg" width="50" height="43" viewBox="0 0 50 43">
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<path d="M48.4 26.5c-.9 0-1.7.7-1.7 1.7v11.6h-43.3v-11.6c0-.9-.7-1.7-1.7-1.7s-1.7.7-1.7 1.7v13.2c0 .9.7 1.7 1.7 1.7h46.7c.9 0 1.7-.7 1.7-1.7v-13.2c0-1-.7-1.7-1.7-1.7zm-24.5 6.1c.3.3.8.5 1.2.5.4 0 .9-.2 1.2-.5l10-11.6c.7-.7.7-1.7 0-2.4s-1.7-.7-2.4 0l-7.1 8.3v-25.3c0-.9-.7-1.7-1.7-1.7s-1.7.7-1.7 1.7v25.3l-7.1-8.3c-.7-.7-1.7-.7-2.4 0s-.7 1.7 0 2.4l10 11.6z"/>
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</svg>
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<input id="file" type="file" />
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<label id="label" for="file">
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<strong>Choose a firmware package</strong>
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<span>or drag it here</span>
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</label>
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<div id="update">
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<button id="button">Update</button>
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</div>
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<div id="status">
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<div id="bar" />
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<div id="transfer" />
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</div>
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</div>
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<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/crc-32/1.0.2/crc32.min.js"></script>
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<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.3/jszip.min.js"></script>
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<script src="/dist/secure-dfu.js"></script>
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<script>
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let dropEl = document.getElementById("drop");
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let fileEl = document.getElementById("file");
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let updateEl = document.getElementById("update");
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let labelEl = document.getElementById("label");
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let statusEl = document.getElementById("status");
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let transferEl = document.getElementById("transfer");
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let barEl = document.getElementById("bar");
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let package = null;
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let manifest = null;
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function updateStatus(state) {
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labelEl.textContent = state;
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}
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function updateTransfer(state) {
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if (!state) {
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statusEl.style.visibility = "hidden";
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return;
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}
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updateEl.style.visibility = "hidden";
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statusEl.style.visibility = "visible";
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barEl.style.width = state.currentBytes / state.totalBytes * 100 + '%';
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transferEl.textContent = `${state.currentBytes}/${state.totalBytes} bytes written`;
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}
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function updatePackage(file) {
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if (!file) return;
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JSZip.loadAsync(file)
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.then(zipFile => {
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try {
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package = zipFile;
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return zipFile.file("manifest.json").async("string");
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} catch(e) {
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throw new Error("Unable to find manifest, is this a proper DFU package?");
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}
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})
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.then(content => {
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manifest = JSON.parse(content).manifest;
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updateStatus(`Package: ${file.name}`);
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updateEl.style.visibility = "visible";
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})
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.catch(error => {
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updateEl.style.visibility = "hidden";
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statusEl.style.visibility = "hidden";
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updateStatus(error);
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});
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}
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function transfer() {
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if (!package) return;
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updateStatus(`Selecting device...`);
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updateTransfer();
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const dfu = new SecureDfu(CRC32.buf);
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dfu.addEventListener("log", event => {
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console.log(event.message);
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});
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dfu.addEventListener("progress", event => {
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updateTransfer(event);
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});
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dfu.requestDevice()
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.then(device => {
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return dfu.connect(device);
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})
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.then(() => {
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for (type of ["softdevice", "bootloader", "softdevice_bootloader"]) {
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if (manifest[type]) {
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return transferImage(dfu, manifest[type]);
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}
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}
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})
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.then(() => {
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if (manifest.application) {
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return transferImage(dfu, manifest.application);
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}
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})
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.then(() => {
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updateStatus("Update complete!");
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updateTransfer();
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})
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.catch(error => {
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statusEl.style.visibility = "hidden";
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updateStatus(error);
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});
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}
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function transferImage(dfu, manifest) {
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return package.file(manifest.dat_file).async("arraybuffer")
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.then(data => {
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updateStatus(`Transferring init: ${manifest.dat_file}...`);
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return dfu.transferInit(data);
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})
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.then(() => {
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return package.file(manifest.bin_file).async("arraybuffer");
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})
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.then(data => {
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updateStatus(`Transferring firmware: ${manifest.bin_file}...`);
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return dfu.transferFirmware(data);
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});
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}
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fileEl.addEventListener("change", event => {
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updatePackage(event.target.files[0]);
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});
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dropEl.addEventListener("drop", event => {
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updatePackage(event.dataTransfer.files[0]);
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});
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updateEl.addEventListener("click", transfer);
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["drag", "dragstart", "dragend", "dragover", "dragenter", "dragleave", "drop"].forEach(eventName => {
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dropEl.addEventListener(eventName, event => {
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event.preventDefault();
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event.stopPropagation();
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});
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});
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["dragover", "dragenter"].forEach(eventName => {
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dropEl.addEventListener(eventName, event => {
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dropEl.classList.add("hover");
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});
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});
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["dragleave", "dragend", "drop"].forEach(eventName => {
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dropEl.addEventListener(eventName, event => {
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dropEl.classList.remove("hover");
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});
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});
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</script>
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</body>
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</html>
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