debian-mirror-gitlab/app/assets/javascripts/authentication/u2f/register.js

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import $ from 'jquery';
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import { template as lodashTemplate } from 'lodash';
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import { __ } from '~/locale';
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import importU2FLibrary from './util';
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import U2FError from './error';
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// Register U2F (universal 2nd factor) devices for users to authenticate with.
//
// State Flow #1: setup -> in_progress -> registered -> POST to server
// State Flow #2: setup -> in_progress -> error -> setup
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export default class U2FRegister {
constructor(container, u2fParams) {
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this.u2fUtils = null;
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this.container = container;
this.renderNotSupported = this.renderNotSupported.bind(this);
this.renderRegistered = this.renderRegistered.bind(this);
this.renderError = this.renderError.bind(this);
this.renderInProgress = this.renderInProgress.bind(this);
this.renderSetup = this.renderSetup.bind(this);
this.renderTemplate = this.renderTemplate.bind(this);
this.register = this.register.bind(this);
this.start = this.start.bind(this);
this.appId = u2fParams.app_id;
this.registerRequests = u2fParams.register_requests;
this.signRequests = u2fParams.sign_requests;
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this.templates = {
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message: '#js-register-2fa-message',
setup: '#js-register-token-2fa-setup',
error: '#js-register-token-2fa-error',
registered: '#js-register-token-2fa-registered',
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};
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}
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start() {
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return importU2FLibrary()
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.then(utils => {
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this.u2fUtils = utils;
this.renderSetup();
})
.catch(() => this.renderNotSupported());
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}
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register() {
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return this.u2fUtils.register(
this.appId,
this.registerRequests,
this.signRequests,
response => {
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if (response.errorCode) {
const error = new U2FError(response.errorCode, 'register');
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return this.renderError(error);
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}
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return this.renderRegistered(JSON.stringify(response));
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},
10,
);
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}
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renderTemplate(name, params) {
const templateString = $(this.templates[name]).html();
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const template = lodashTemplate(templateString);
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return this.container.html(template(params));
}
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renderSetup() {
this.renderTemplate('setup');
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return this.container.find('#js-setup-token-2fa-device').on('click', this.renderInProgress);
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}
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renderInProgress() {
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this.renderTemplate('message', {
message: __(
'Trying to communicate with your device. Plug it in (if needed) and press the button on the device now.',
),
});
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return this.register();
}
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renderError(error) {
this.renderTemplate('error', {
error_message: error.message(),
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error_name: error.errorCode,
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});
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return this.container.find('#js-token-2fa-try-again').on('click', this.renderSetup);
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}
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renderRegistered(deviceResponse) {
this.renderTemplate('registered');
// Prefer to do this instead of interpolating using Underscore templates
// because of JSON escaping issues.
return this.container.find('#js-device-response').val(deviceResponse);
}
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renderNotSupported() {
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return this.renderTemplate('message', {
message: __(
"Your browser doesn't support U2F. Please use Google Chrome desktop (version 41 or newer).",
),
});
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}
}