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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* For collecting WebAuthn authenticator details on factor setup
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*
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* @module factor_webauthn/register
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* @copyright Catalyst IT
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* @author Alex Morris <alex.morris@catalyst.net.nz>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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define([
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'factor_webauthn/utils',
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'core/prefetch',
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'core/str',
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'core/toast',
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], function(
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utils,
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Prefetch,
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Str,
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Toast,
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) {
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/**
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* Register the security key.
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*
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* @param {*} createArgs
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*/
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async function registerSecurityKey(createArgs) {
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try {
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if (!navigator.credentials || !navigator.credentials.create) {
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throw new Error('Browser not supported.');
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}
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if (createArgs.success === false) {
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throw new Error(createArgs.msg || 'unknown error occurred');
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}
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utils.recursiveBase64StrToArrayBuffer(createArgs);
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const cred = await navigator.credentials.create(createArgs);
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const authenticatorResponse = {
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transports: cred.response.getTransports ? cred.response.getTransports() : null,
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clientDataJSON: cred.response.clientDataJSON ?
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utils.arrayBufferToBase64(cred.response.clientDataJSON) : null,
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attestationObject: cred.response.attestationObject ?
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utils.arrayBufferToBase64(cred.response.attestationObject) : null,
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};
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const registerSuccess = await Str.getString('registersuccess', 'factor_webauthn');
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await Toast.add(registerSuccess, {type: 'success'});
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document.getElementById('id_response_input').value = JSON.stringify(authenticatorResponse);
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// Enable the submit button so that we can proceed.
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document.getElementById('id_submitbutton').disabled = false;
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} catch (e) {
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const registerError = await Str.getString('registererror', 'factor_webauthn', e.message);
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await Toast.add(registerError, {type: 'warning'});
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}
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}
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return {
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init: function(createArgs) {
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// Disable the submit button until we have registered a security key.
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document.getElementById('id_submitbutton').disabled = true;
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Prefetch.prefetchStrings('factor_webauthn', [
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'registersuccess',
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'registererror',
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]);
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// Register event listeners.
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createArgs = JSON.parse(createArgs);
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document.getElementById('factor_webauthn-register').addEventListener('click', function() {
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registerSecurityKey(createArgs);
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});
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document.getElementById('factor_webauthn-register').addEventListener('keypress', function() {
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registerSecurityKey(createArgs);
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});
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}
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};
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});
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