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import { __ } from '~/locale';
import WebAuthnError from './error';
import WebAuthnFlow from './flow';
import { supported, isHTTPS, convertCreateParams, convertCreateResponse } from './util';
// Register WebAuthn devices for users to authenticate with.
//
// State Flow #1: setup -> in_progress -> registered -> POST to server
// State Flow #2: setup -> in_progress -> error -> setup
export default class WebAuthnRegister {
constructor(container, webauthnParams) {
this.container = container;
this.renderInProgress = this.renderInProgress.bind(this);
this.webauthnOptions = convertCreateParams(webauthnParams.options);
this.flow = new WebAuthnFlow(container, {
message: '#js-register-2fa-message',
setup: '#js-register-token-2fa-setup',
error: '#js-register-token-2fa-error',
registered: '#js-register-token-2fa-registered',
});
this.container.on('click', '#js-token-2fa-try-again', this.renderInProgress);
}
start() {
if (!supported()) {
// we show a special error message when the user visits the site
// using a non-ssl connection as this makes WebAuthn unavailable in
// any case, regardless of the used browser
this.renderNotSupported(!isHTTPS());
} else {
this.renderSetup();
}
}
register() {
navigator.credentials
.create({
publicKey: this.webauthnOptions,
})
.then(cred => this.renderRegistered(JSON.stringify(convertCreateResponse(cred))))
.catch(err => this.flow.renderError(new WebAuthnError(err, 'register')));
}
renderSetup() {
this.flow.renderTemplate('setup');
this.container.find('#js-setup-token-2fa-device').on('click', this.renderInProgress);
}
renderInProgress() {
this.flow.renderTemplate('message', {
message: __(
'Trying to communicate with your device. Plug it in (if needed) and press the button on the device now.',
),
});
return this.register();
}
renderRegistered(deviceResponse) {
this.flow.renderTemplate('registered');
// Prefer to do this instead of interpolating using Underscore templates
// because of JSON escaping issues.
this.container.find('#js-device-response').val(deviceResponse);
}
renderNotSupported(noHttps) {
const message = noHttps
? __(
'WebAuthn only works with HTTPS-enabled websites. Contact your administrator for more details.',
)
: __(
"Your browser doesn't support WebAuthn. Please use a supported browser, e.g. Chrome (67+) or Firefox (60+).",
);
this.flow.renderTemplate('message', { message });
}
}
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