495 lines
16 KiB
JavaScript
495 lines
16 KiB
JavaScript
(function () {
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'use strict';
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/*global URLSearchParams,Headers*/
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var VERSION = '2';
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// ACME recommends ECDSA P-256, but RSA 2048 is still required by some old servers (like what replicated.io uses )
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// ECDSA P-384, P-521, and RSA 3072, 4096 are NOT recommend standards (and not properly supported)
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var BROWSER_SUPPORTS_RSA;
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var ECDSA_OPTS = { kty: 'EC', namedCurve: 'P-256' };
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var RSA_OPTS = { kty: 'RSA', modulusLength: 2048 };
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var Promise = window.Promise;
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var Keypairs = window.Keypairs;
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var ACME = window.ACME;
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var CSR = window.CSR;
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var $qs = function (s) { return window.document.querySelector(s); };
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var $qsa = function (s) { return window.document.querySelectorAll(s); };
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var acme;
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var accountStuff;
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var info = {};
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var steps = {};
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var i = 1;
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var apiUrl = 'https://acme-{{env}}.api.letsencrypt.org/directory';
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function updateApiType() {
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console.log("type updated");
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/*jshint validthis: true */
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var input = this || Array.prototype.filter.call(
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$qsa('.js-acme-api-type'), function ($el) { return $el.checked; }
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)[0];
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console.log('ACME api type radio:', input.value);
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$qs('.js-acme-directory-url').value = apiUrl.replace(/{{env}}/g, input.value);
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}
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function hideForms() {
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$qsa('.js-acme-form').forEach(function (el) {
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el.hidden = true;
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});
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}
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function updateProgress(currentStep) {
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var progressSteps = $qs("#js-progress-bar").children;
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var j;
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for (j = 0; j < progressSteps.length; j += 1) {
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if (j < currentStep) {
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progressSteps[j].classList.add("js-progress-step-complete");
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progressSteps[j].classList.remove("js-progress-step-started");
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} else if (j === currentStep) {
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progressSteps[j].classList.remove("js-progress-step-complete");
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progressSteps[j].classList.add("js-progress-step-started");
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} else {
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progressSteps[j].classList.remove("js-progress-step-complete");
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progressSteps[j].classList.remove("js-progress-step-started");
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}
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}
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}
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function submitForm(ev) {
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var j = i;
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i += 1;
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return PromiseA.resolve(steps[j].submit(ev)).catch(function (err) {
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console.error(err);
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window.alert("Something went wrong. It's our fault not yours. Please email aj@rootprojects.org and let him know that 'step " + j + "' failed.");
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});
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}
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function testEcdsaSupport() {
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/*
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var opts = {
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kty: $('input[name="kty"]:checked').value
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, namedCurve: $('input[name="ec-crv"]:checked').value
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, modulusLength: $('input[name="rsa-len"]:checked').value
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};
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*/
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}
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function testRsaSupport() {
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return Keypairs.generate(RSA_OPTS);
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}
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function testKeypairSupport() {
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// fix previous browsers
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var isCurrent = (localStorage.getItem('version') === VERSION);
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if (!isCurrent) {
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localStorage.clear();
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localStorage.setItem('version', VERSION);
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}
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localStorage.setItem('version', VERSION);
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return testRsaSupport().then(function () {
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console.info("[crypto] RSA is supported");
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BROWSER_SUPPORTS_RSA = true;
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return BROWSER_SUPPORTS_RSA;
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}).catch(function () {
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console.warn("[crypto] RSA is NOT fully supported");
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BROWSER_SUPPORTS_RSA = false;
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return BROWSER_SUPPORTS_RSA;
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});
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}
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function getServerKeypair() {
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var sortedAltnames = info.identifiers.map(function (ident) { return ident.value; }).sort().join(',');
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var serverJwk = JSON.parse(localStorage.getItem('server:' + sortedAltnames) || 'null');
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if (serverJwk) {
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return PromiseA.resolve(serverJwk);
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}
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var keypairOpts;
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// TODO allow for user preference
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if (BROWSER_SUPPORTS_RSA) {
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keypairOpts = RSA_OPTS;
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} else {
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keypairOpts = ECDSA_OPTS;
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}
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return Keypairs.generate(RSA_OPTS).catch(function (err) {
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console.error("[Error] Keypairs.generate(" + JSON.stringify(RSA_OPTS) + "):");
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throw err;
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}).then(function (pair) {
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localStorage.setItem('server:'+sortedAltnames, JSON.stringify(pair.private));
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return pair.private;
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});
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}
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function getAccountKeypair(email) {
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var json = localStorage.getItem('account:'+email);
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if (json) {
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return Promise.resolve(JSON.parse(json));
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}
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return Keypairs.generate(ECDSA_OPTS).catch(function (err) {
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console.warn("[Error] Keypairs.generate(" + JSON.stringify(ECDSA_OPTS) + "):\n", err);
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return Keypairs.generate(RSA_OPTS).catch(function (err) {
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console.error("[Error] Keypairs.generate(" + JSON.stringify(RSA_OPTS) + "):");
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throw err;
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});
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}).then(function (pair) {
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localStorage.setItem('account:'+email, JSON.stringify(pair.private));
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return pair.private;
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});
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}
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function updateChallengeType() {
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/*jshint validthis: true*/
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var input = this || Array.prototype.filter.call(
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$qsa('.js-acme-challenge-type'), function ($el) { return $el.checked; }
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)[0];
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console.log('ch type radio:', input.value);
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$qs('.js-acme-verification-wildcard').hidden = true;
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$qs('.js-acme-verification-http-01').hidden = true;
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$qs('.js-acme-verification-dns-01').hidden = true;
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if (info.challenges.wildcard) {
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$qs('.js-acme-verification-wildcard').hidden = false;
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}
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if (info.challenges[input.value]) {
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$qs('.js-acme-verification-' + input.value).hidden = false;
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}
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}
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function saveContact(email, domains) {
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// to be used for good, not evil
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return window.fetch('https://api.rootprojects.org/api/rootprojects.org/public/community', {
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method: 'POST'
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, cors: true
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, headers: new Headers({ 'Content-Type': 'application/json' })
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, body: JSON.stringify({
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address: email
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, project: 'greenlock-domains@rootprojects.org'
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, timezone: new Intl.DateTimeFormat().resolvedOptions().timeZone
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, domain: domains.join(',')
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})
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}).catch(function (err) {
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console.error(err);
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});
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}
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steps[1] = function () {
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updateProgress(0);
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hideForms();
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$qs('.js-acme-form-domains').hidden = false;
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};
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steps[1].submit = function () {
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info.identifiers = $qs('.js-acme-domains').value.split(/\s*,\s*/g).map(function (hostname) {
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return { type: 'dns', value: hostname.toLowerCase().trim() };
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}).slice(0,1); //Disable multiple values for now. We'll just take the first and work with it.
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info.identifiers.sort(function (a, b) {
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if (a === b) { return 0; }
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if (a < b) { return 1; }
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if (a > b) { return -1; }
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});
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var acmeDirectoryUrl = $qs('.js-acme-directory-url').value;
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acme = ACME.create({ Keypairs: Keypairs, CSR: CSR });
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return acme.init(acmeDirectoryUrl).then(function (directory) {
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$qs('.js-acme-tos-url').href = directory.meta.termsOfService;
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console.log("MAGIC STEP NUMBER in 1 is:", i);
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steps[i]();
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});
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};
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steps[2] = function () {
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updateProgress(0);
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hideForms();
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$qs('.js-acme-form-account').hidden = false;
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};
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steps[2].submit = function () {
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var email = $qs('.js-acme-account-email').value.toLowerCase().trim();
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info.contact = [ 'mailto:' + email ];
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info.agree = $qs('.js-acme-account-tos').checked;
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//info.greenlockAgree = $qs('.js-gl-tos').checked;
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// TODO ping with version and account creation
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setTimeout(saveContact, 100, email, info.identifiers.map(function (ident) { return ident.value; }));
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function checkTos(tos) {
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if (info.agree) {
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return tos;
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} else {
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return '';
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}
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}
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return getAccountKeypair(email).then(function (jwk) {
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// TODO save account id rather than always retrieving it?
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return acme.accounts.create({
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email: email
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, agreeToTerms: checkTos
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, accountKeypair: { privateKeyJwk: jwk }
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}).then(function (account) {
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console.log("account created result:", account);
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accountStuff.account = account;
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accountStuff.privateJwk = jwk;
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accountStuff.email = email;
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accountStuff.acme = acme; // TODO XXX remove
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}).catch(function (err) {
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console.error("A bad thing happened:");
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console.error(err);
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window.alert(err.message || JSON.stringify(err, null, 2));
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return new Promise(function () {
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// stop the process cold
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console.warn('TODO: resume at ask email?');
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});
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});
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}).then(function () {
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var jwk = accountStuff.privateJwk;
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var account = accountStuff.account;
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return acme.orders.create({
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account: account
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, accountKeypair: { privateKeyJwk: jwk }
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, identifiers: info.identifiers
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}).then(function (order) {
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return acme.orders.create({
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signedOrder: signedOrder
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}).then(function (order) {
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accountStuff.order = order;
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var claims = order.challenges;
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console.log('claims:');
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console.log(claims);
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var obj = { 'dns-01': [], 'http-01': [], 'wildcard': [] };
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info.challenges = obj;
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var map = {
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'http-01': '.js-acme-verification-http-01'
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, 'dns-01': '.js-acme-verification-dns-01'
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, 'wildcard': '.js-acme-verification-wildcard'
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};
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options.challengePriority = [ 'http-01', 'dns-01' ];
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// TODO make Promise-friendly
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return PromiseA.all(claims.map(function (claim) {
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var hostname = claim.identifier.value;
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return PromiseA.all(claim.challenges.map(function (c) {
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var keyAuth = BACME.challenges['http-01']({
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token: c.token
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, thumbprint: thumbprint
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, challengeDomain: hostname
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});
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return BACME.challenges['dns-01']({
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keyAuth: keyAuth.value
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, challengeDomain: hostname
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}).then(function (dnsAuth) {
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var data = {
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type: c.type
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, hostname: hostname
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, url: c.url
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, token: c.token
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, keyAuthorization: keyAuth
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, httpPath: keyAuth.path
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, httpAuth: keyAuth.value
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, dnsType: dnsAuth.type
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, dnsHost: dnsAuth.host
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, dnsAnswer: dnsAuth.answer
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};
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console.log('');
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console.log('CHALLENGE');
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console.log(claim);
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console.log(c);
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console.log(data);
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console.log('');
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if (claim.wildcard) {
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obj.wildcard.push(data);
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let verification = $qs(".js-acme-verification-wildcard");
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verification.querySelector(".js-acme-ver-hostname").innerHTML = data.hostname;
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verification.querySelector(".js-acme-ver-txt-host").innerHTML = data.dnsHost;
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verification.querySelector(".js-acme-ver-txt-value").innerHTML = data.dnsAnswer;
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} else if(obj[data.type]) {
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obj[data.type].push(data);
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if ('dns-01' === data.type) {
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let verification = $qs(".js-acme-verification-dns-01");
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verification.querySelector(".js-acme-ver-hostname").innerHTML = data.hostname;
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verification.querySelector(".js-acme-ver-txt-host").innerHTML = data.dnsHost;
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verification.querySelector(".js-acme-ver-txt-value").innerHTML = data.dnsAnswer;
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} else if ('http-01' === data.type) {
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$qs(".js-acme-ver-file-location").innerHTML = data.httpPath.split("/").slice(-1);
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$qs(".js-acme-ver-content").innerHTML = data.httpAuth;
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$qs(".js-acme-ver-uri").innerHTML = data.httpPath;
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$qs(".js-download-verify-link").href =
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"data:text/octet-stream;base64," + window.btoa(data.httpAuth);
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$qs(".js-download-verify-link").download = data.httpPath.split("/").slice(-1);
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}
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}
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});
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}));
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})).then(function () {
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// hide wildcard if no wildcard
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// hide http-01 and dns-01 if only wildcard
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if (!obj.wildcard.length) {
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$qs('.js-acme-wildcard-challenges').hidden = true;
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}
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if (!obj['http-01'].length) {
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$qs('.js-acme-challenges').hidden = true;
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}
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updateChallengeType();
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console.log("MAGIC STEP NUMBER in 2 is:", i);
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steps[i]();
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});
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});
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});
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}).catch(function (err) {
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console.error('Step \'\' Error:');
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console.error(err, err.stack);
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window.alert("An error happened at Step " + i + ", but it's not your fault. Email aj@rootprojects.org and let him know.");
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});
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};
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steps[3] = function () {
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updateProgress(1);
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hideForms();
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$qs('.js-acme-form-challenges').hidden = false;
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};
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steps[3].submit = function () {
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options.challengeTypes = [ 'dns-01' ];
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if ('http-01' === $qs('.js-acme-challenge-type:checked').value) {
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options.challengeTypes.unshift('http-01');
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}
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console.log('primary challenge type is:', options.challengeTypes[0]);
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return getAccountKeypair(email).then(function (jwk) {
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// for now just show the next page immediately (its a spinner)
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// TODO put a test challenge in the list
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// TODO warn about wait-time if DNS
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steps[i]();
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return getServerKeypair().then(function () {
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return acme.orders.finalize({
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account: accountStuff.account
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, accountKeypair: { privateKeyJwk: jwk }
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, order: accountStuff.order
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, domainKeypair: 'TODO'
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});
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}).then(function (certs) {
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console.log('WINNING!');
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console.log(certs);
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$qs('#js-fullchain').innerHTML = certs;
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$qs("#js-download-fullchain-link").href =
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"data:text/octet-stream;base64," + window.btoa(certs);
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var wcOpts;
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var pemName;
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if (/^R/.test(info.serverJwk.kty)) {
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pemName = 'RSA';
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wcOpts = { name: "RSASSA-PKCS1-v1_5", hash: { name: "SHA-256" } };
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} else {
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pemName = 'EC';
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wcOpts = { name: "ECDSA", namedCurve: "P-256" };
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}
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return crypto.subtle.importKey(
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"jwk"
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, info.serverJwk
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, wcOpts
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, true
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, ["sign"]
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).then(function (privateKey) {
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return window.crypto.subtle.exportKey("pkcs8", privateKey);
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}).then (function (keydata) {
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var pem = spkiToPEM(keydata, pemName);
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$qs('#js-privkey').innerHTML = pem;
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$qs("#js-download-privkey-link").href =
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"data:text/octet-stream;base64," + window.btoa(pem);
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steps[i]();
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});
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});
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}).then(function () {
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return submitForm();
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});
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};
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// spinner
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steps[4] = function () {
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updateProgress(1);
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hideForms();
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$qs('.js-acme-form-poll').hidden = false;
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};
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steps[4].submit = function () {
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console.log('Congrats! Auto advancing...');
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}).catch(function (err) {
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console.error(err.toString());
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window.alert("An error happened in the final step, but it's not your fault. Email aj@rootprojects.org and let him know.");
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});
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};
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steps[5] = function () {
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updateProgress(2);
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hideForms();
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$qs('.js-acme-form-download').hidden = false;
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};
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steps[1]();
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var params = new URLSearchParams(window.location.search);
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var apiType = params.get('acme-api-type') || "staging-v02";
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$qsa('.js-acme-api-type').forEach(function ($el) {
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$el.addEventListener('change', updateApiType);
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});
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updateApiType();
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$qsa('.js-acme-form').forEach(function ($el) {
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$el.addEventListener('submit', function (ev) {
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ev.preventDefault();
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submitForm(ev);
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});
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});
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$qsa('.js-acme-challenge-type').forEach(function ($el) {
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$el.addEventListener('change', updateChallengeType);
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});
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if(params.has('acme-domains')) {
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console.log("acme-domains param: ", params.get('acme-domains'));
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$qs('.js-acme-domains').value = params.get('acme-domains');
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$qsa('.js-acme-api-type').forEach(function(ele) {
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if(ele.value === apiType) {
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ele.checked = true;
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}
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});
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updateApiType();
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steps[2]();
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submitForm();
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}
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$qs('body').hidden = false;
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return testKeypairSupport().then(function (rsaSupport) {
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if (rsaSupport) {
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return true;
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}
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return testRsaSupport().then(function () {
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console.info('[crypto] RSA is supported');
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}).catch(function (err) {
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console.error('[crypto] could not use either RSA nor EC.');
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console.error(err);
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window.alert("Generating secure certificates requires a browser with cryptography support."
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+ "Please consider a recent version of Chrome, Firefox, or Safari.");
|
|
throw err;
|
|
});
|
|
});
|
|
}());
|