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feat: add support for WebUSB (#36289)

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* feat: add support for WebUSB

* fixup for gn check

* fixup gn check on Windows

* Apply review feedback

Co-authored-by: Charles Kerr <charles@charleskerr.com>

* chore: address review feedback

* chore: removed unneeded code

* Migrate non-default ScopedObservation<> instantiations to ScopedObservationTraits<> in chrome/browser/

4016595

Co-authored-by: Charles Kerr <charles@charleskerr.com>
This commit is contained in:
John Kleinschmidt 2022-11-22 16:50:32 -05:00 • committed by GitHub
parent 2751c2b07f
commit 629c54ba36
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29 changed files with 1772 additions and 23 deletions
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161
spec/chromium-spec.ts
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@ -2857,3 +2857,164 @@ describe('navigator.hid', () => {
}
});
});
describe('navigator.usb', () => {
let w: BrowserWindow;
let server: http.Server;
let serverUrl: string;
before(async () => {
w = new BrowserWindow({
show: false
});
await w.loadFile(path.join(fixturesPath, 'pages', 'blank.html'));
server = http.createServer((req, res) => {
res.setHeader('Content-Type', 'text/html');
res.end('<body>');
});
await new Promise<void>(resolve => server.listen(0, '127.0.0.1', resolve));
serverUrl = `http://localhost:${(server.address() as any).port}`;
});
const requestDevices: any = () => {
return w.webContents.executeJavaScript(`
navigator.usb.requestDevice({filters: []}).then(device => device.toString()).catch(err => err.toString());
`, true);
};
const notFoundError = 'NotFoundError: Failed to execute \'requestDevice\' on \'USB\': No device selected.';
after(() => {
server.close();
closeAllWindows();
});
afterEach(() => {
session.defaultSession.setPermissionCheckHandler(null);
session.defaultSession.setDevicePermissionHandler(null);
session.defaultSession.removeAllListeners('select-usb-device');
});
it('does not return a device if select-usb-device event is not defined', async () => {
w.loadFile(path.join(fixturesPath, 'pages', 'blank.html'));
const device = await requestDevices();
expect(device).to.equal(notFoundError);
});
it('does not return a device when permission denied', async () => {
let selectFired = false;
w.webContents.session.on('select-usb-device', (event, details, callback) => {
selectFired = true;
callback();
});
session.defaultSession.setPermissionCheckHandler(() => false);
const device = await requestDevices();
expect(selectFired).to.be.false();
expect(device).to.equal(notFoundError);
});
it('returns a device when select-usb-device event is defined', async () => {
let haveDevices = false;
let selectFired = false;
w.webContents.session.on('select-usb-device', (event, details, callback) => {
expect(details.frame).to.have.ownProperty('frameTreeNodeId').that.is.a('number');
selectFired = true;
if (details.deviceList.length > 0) {
haveDevices = true;
callback(details.deviceList[0].deviceId);
} else {
callback();
}
});
const device = await requestDevices();
expect(selectFired).to.be.true();
if (haveDevices) {
expect(device).to.contain('[object USBDevice]');
} else {
expect(device).to.equal(notFoundError);
}
if (haveDevices) {
// Verify that navigation will clear device permissions
const grantedDevices = await w.webContents.executeJavaScript('navigator.usb.getDevices()');
expect(grantedDevices).to.not.be.empty();
w.loadURL(serverUrl);
const [,,,,, frameProcessId, frameRoutingId] = await emittedOnce(w.webContents, 'did-frame-navigate');
const frame = webFrameMain.fromId(frameProcessId, frameRoutingId);
expect(frame).to.not.be.empty();
if (frame) {
const grantedDevicesOnNewPage = await frame.executeJavaScript('navigator.usb.getDevices()');
expect(grantedDevicesOnNewPage).to.be.empty();
}
}
});
it('returns a device when DevicePermissionHandler is defined', async () => {
let haveDevices = false;
let selectFired = false;
let gotDevicePerms = false;
w.webContents.session.on('select-usb-device', (event, details, callback) => {
selectFired = true;
if (details.deviceList.length > 0) {
const foundDevice = details.deviceList.find((device) => {
if (device.productName && device.productName !== '' && device.serialNumber && device.serialNumber !== '') {
haveDevices = true;
return true;
}
});
if (foundDevice) {
callback(foundDevice.deviceId);
return;
}
}
callback();
});
session.defaultSession.setDevicePermissionHandler(() => {
gotDevicePerms = true;
return true;
});
await w.webContents.executeJavaScript('navigator.usb.getDevices();', true);
const device = await requestDevices();
expect(selectFired).to.be.true();
if (haveDevices) {
expect(device).to.contain('[object USBDevice]');
expect(gotDevicePerms).to.be.true();
} else {
expect(device).to.equal(notFoundError);
}
});
it('supports device.forget()', async () => {
let deletedDeviceFromEvent;
let haveDevices = false;
w.webContents.session.on('select-usb-device', (event, details, callback) => {
if (details.deviceList.length > 0) {
haveDevices = true;
callback(details.deviceList[0].deviceId);
} else {
callback();
}
});
w.webContents.session.on('usb-device-revoked', (event, details) => {
deletedDeviceFromEvent = details.device;
});
await requestDevices();
if (haveDevices) {
const grantedDevices = await w.webContents.executeJavaScript('navigator.usb.getDevices()');
if (grantedDevices.length > 0) {
const deletedDevice = await w.webContents.executeJavaScript(`
navigator.usb.getDevices().then(devices => {
devices[0].forget();
return {
vendorId: devices[0].vendorId,
productId: devices[0].productId,
productName: devices[0].productName
}
})
`);
const grantedDevices2 = await w.webContents.executeJavaScript('navigator.usb.getDevices()');
expect(grantedDevices2.length).to.be.lessThan(grantedDevices.length);
if (deletedDevice.name !== '' && deletedDevice.productId && deletedDevice.vendorId) {
expect(deletedDeviceFromEvent).to.include(deletedDevice);
}
}
}
});
});