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