debian-mirror-gitlab/app/assets/javascripts/authentication/webauthn/authenticate.js

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import WebAuthnError from './error';
import WebAuthnFlow from './flow';
import { supported, convertGetParams, convertGetResponse } from './util';
// Authenticate WebAuthn devices for users to authenticate with.
//
// State Flow #1: setup -> in_progress -> authenticated -> POST to server
// State Flow #2: setup -> in_progress -> error -> setup
export default class WebAuthnAuthenticate {
constructor(container, form, webauthnParams, fallbackButton, fallbackUI) {
this.container = container;
this.webauthnParams = convertGetParams(JSON.parse(webauthnParams.options));
this.renderInProgress = this.renderInProgress.bind(this);
this.form = form;
this.fallbackButton = fallbackButton;
this.fallbackUI = fallbackUI;
if (this.fallbackButton) {
this.fallbackButton.addEventListener('click', this.switchToFallbackUI.bind(this));
}
this.flow = new WebAuthnFlow(container, {
inProgress: '#js-authenticate-token-2fa-in-progress',
error: '#js-authenticate-token-2fa-error',
authenticated: '#js-authenticate-token-2fa-authenticated',
});
this.container.on('click', '#js-token-2fa-try-again', this.renderInProgress);
}
start() {
if (!supported()) {
this.switchToFallbackUI();
} else {
this.renderInProgress();
}
}
authenticate() {
navigator.credentials
.get({ publicKey: this.webauthnParams })
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.then((resp) => {
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const convertedResponse = convertGetResponse(resp);
this.renderAuthenticated(JSON.stringify(convertedResponse));
})
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.catch((err) => {
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this.flow.renderError(new WebAuthnError(err, 'authenticate'));
});
}
renderInProgress() {
this.flow.renderTemplate('inProgress');
this.authenticate();
}
renderAuthenticated(deviceResponse) {
this.flow.renderTemplate('authenticated');
const container = this.container[0];
container.querySelector('#js-device-response').value = deviceResponse;
container.querySelector(this.form).submit();
this.fallbackButton.classList.add('hidden');
}
switchToFallbackUI() {
this.fallbackButton.classList.add('hidden');
this.container[0].classList.add('hidden');
this.fallbackUI.classList.remove('hidden');
}
}