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WIP: moving to bluecrypt

live-site
AJ ONeal 2 years ago
parent
commit
7484ffcd11
  1. 494
      app/js/greenlock.js

494
app/js/greenlock.js

@ -0,0 +1,494 @@
(function () {
'use strict';
/*global URLSearchParams,Headers*/
var VERSION = '2';
// ACME recommends ECDSA P-256, but RSA 2048 is still required by some old servers (like what replicated.io uses )
// ECDSA P-384, P-521, and RSA 3072, 4096 are NOT recommend standards (and not properly supported)
var BROWSER_SUPPORTS_RSA;
var ECDSA_OPTS = { kty: 'EC', namedCurve: 'P-256' };
var RSA_OPTS = { kty: 'RSA', modulusLength: 2048 };
var Promise = window.Promise;
var Keypairs = window.Keypairs;
var ACME = window.ACME;
var CSR = window.CSR;
var $qs = function (s) { return window.document.querySelector(s); };
var $qsa = function (s) { return window.document.querySelectorAll(s); };
var acme;
var accountStuff;
var info = {};
var steps = {};
var i = 1;
var apiUrl = 'https://acme-{{env}}.api.letsencrypt.org/directory';
function updateApiType() {
console.log("type updated");
/*jshint validthis: true */
var input = this || Array.prototype.filter.call(
$qsa('.js-acme-api-type'), function ($el) { return $el.checked; }
)[0];
console.log('ACME api type radio:', input.value);
$qs('.js-acme-directory-url').value = apiUrl.replace(/{{env}}/g, input.value);
}
function hideForms() {
$qsa('.js-acme-form').forEach(function (el) {
el.hidden = true;
});
}
function updateProgress(currentStep) {
var progressSteps = $qs("#js-progress-bar").children;
var j;
for (j = 0; j < progressSteps.length; j += 1) {
if (j < currentStep) {
progressSteps[j].classList.add("js-progress-step-complete");
progressSteps[j].classList.remove("js-progress-step-started");
} else if (j === currentStep) {
progressSteps[j].classList.remove("js-progress-step-complete");
progressSteps[j].classList.add("js-progress-step-started");
} else {
progressSteps[j].classList.remove("js-progress-step-complete");
progressSteps[j].classList.remove("js-progress-step-started");
}
}
}
function submitForm(ev) {
var j = i;
i += 1;
return PromiseA.resolve(steps[j].submit(ev)).catch(function (err) {
console.error(err);
window.alert("Something went wrong. It's our fault not yours. Please email aj@rootprojects.org and let him know that 'step " + j + "' failed.");
});
}
function testEcdsaSupport() {
/*
var opts = {
kty: $('input[name="kty"]:checked').value
, namedCurve: $('input[name="ec-crv"]:checked').value
, modulusLength: $('input[name="rsa-len"]:checked').value
};
*/
}
function testRsaSupport() {
return Keypairs.generate(RSA_OPTS);
}
function testKeypairSupport() {
// fix previous browsers
var isCurrent = (localStorage.getItem('version') === VERSION);
if (!isCurrent) {
localStorage.clear();
localStorage.setItem('version', VERSION);
}
localStorage.setItem('version', VERSION);
return testRsaSupport().then(function () {
console.info("[crypto] RSA is supported");
BROWSER_SUPPORTS_RSA = true;
return BROWSER_SUPPORTS_RSA;
}).catch(function () {
console.warn("[crypto] RSA is NOT fully supported");
BROWSER_SUPPORTS_RSA = false;
return BROWSER_SUPPORTS_RSA;
});
}
function getServerKeypair() {
var sortedAltnames = info.identifiers.map(function (ident) { return ident.value; }).sort().join(',');
var serverJwk = JSON.parse(localStorage.getItem('server:' + sortedAltnames) || 'null');
if (serverJwk) {
return PromiseA.resolve(serverJwk);
}
var keypairOpts;
// TODO allow for user preference
if (BROWSER_SUPPORTS_RSA) {
keypairOpts = RSA_OPTS;
} else {
keypairOpts = ECDSA_OPTS;
}
return Keypairs.generate(RSA_OPTS).catch(function (err) {
console.error("[Error] Keypairs.generate(" + JSON.stringify(RSA_OPTS) + "):");
throw err;
}).then(function (pair) {
localStorage.setItem('server:'+sortedAltnames, JSON.stringify(pair.private));
return pair.private;
});
}
function getAccountKeypair(email) {
var json = localStorage.getItem('account:'+email);
if (json) {
return Promise.resolve(JSON.parse(json));
}
return Keypairs.generate(ECDSA_OPTS).catch(function (err) {
console.warn("[Error] Keypairs.generate(" + JSON.stringify(ECDSA_OPTS) + "):\n", err);
return Keypairs.generate(RSA_OPTS).catch(function (err) {
console.error("[Error] Keypairs.generate(" + JSON.stringify(RSA_OPTS) + "):");
throw err;
});
}).then(function (pair) {
localStorage.setItem('account:'+email, JSON.stringify(pair.private));
return pair.private;
});
}
function updateChallengeType() {
/*jshint validthis: true*/
var input = this || Array.prototype.filter.call(
$qsa('.js-acme-challenge-type'), function ($el) { return $el.checked; }
)[0];
console.log('ch type radio:', input.value);
$qs('.js-acme-verification-wildcard').hidden = true;
$qs('.js-acme-verification-http-01').hidden = true;
$qs('.js-acme-verification-dns-01').hidden = true;
if (info.challenges.wildcard) {
$qs('.js-acme-verification-wildcard').hidden = false;
}
if (info.challenges[input.value]) {
$qs('.js-acme-verification-' + input.value).hidden = false;
}
}
function saveContact(email, domains) {
// to be used for good, not evil
return window.fetch('https://api.rootprojects.org/api/rootprojects.org/public/community', {
method: 'POST'
, cors: true
, headers: new Headers({ 'Content-Type': 'application/json' })
, body: JSON.stringify({
address: email
, project: 'greenlock-domains@rootprojects.org'
, timezone: new Intl.DateTimeFormat().resolvedOptions().timeZone
, domain: domains.join(',')
})
}).catch(function (err) {
console.error(err);
});
}
steps[1] = function () {
updateProgress(0);
hideForms();
$qs('.js-acme-form-domains').hidden = false;
};
steps[1].submit = function () {
info.identifiers = $qs('.js-acme-domains').value.split(/\s*,\s*/g).map(function (hostname) {
return { type: 'dns', value: hostname.toLowerCase().trim() };
}).slice(0,1); //Disable multiple values for now. We'll just take the first and work with it.
info.identifiers.sort(function (a, b) {
if (a === b) { return 0; }
if (a < b) { return 1; }
if (a > b) { return -1; }
});
var acmeDirectoryUrl = $qs('.js-acme-directory-url').value;
acme = ACME.create({ Keypairs: Keypairs, CSR: CSR });
return acme.init(acmeDirectoryUrl).then(function (directory) {
$qs('.js-acme-tos-url').href = directory.meta.termsOfService;
console.log("MAGIC STEP NUMBER in 1 is:", i);
steps[i]();
});
};
steps[2] = function () {
updateProgress(0);
hideForms();
$qs('.js-acme-form-account').hidden = false;
};
steps[2].submit = function () {
var email = $qs('.js-acme-account-email').value.toLowerCase().trim();
info.contact = [ 'mailto:' + email ];
info.agree = $qs('.js-acme-account-tos').checked;
//info.greenlockAgree = $qs('.js-gl-tos').checked;
// TODO ping with version and account creation
setTimeout(saveContact, 100, email, info.identifiers.map(function (ident) { return ident.value; }));
function checkTos(tos) {
if (info.agree) {
return tos;
} else {
return '';
}
}
return getAccountKeypair(email).then(function (jwk) {
// TODO save account id rather than always retrieving it?
return acme.accounts.create({
email: email
, agreeToTerms: checkTos
, accountKeypair: { privateKeyJwk: jwk }
}).then(function (account) {
console.log("account created result:", account);
accountStuff.account = account;
accountStuff.privateJwk = jwk;
accountStuff.email = email;
accountStuff.acme = acme; // TODO XXX remove
}).catch(function (err) {
console.error("A bad thing happened:");
console.error(err);
window.alert(err.message || JSON.stringify(err, null, 2));
return new Promise(function () {
// stop the process cold
console.warn('TODO: resume at ask email?');
});
});
}).then(function () {
var jwk = accountStuff.privateJwk;
var account = accountStuff.account;
return acme.orders.create({
account: account
, accountKeypair: { privateKeyJwk: jwk }
, identifiers: info.identifiers
}).then(function (order) {
return acme.orders.create({
signedOrder: signedOrder
}).then(function (order) {
accountStuff.order = order;
var claims = order.challenges;
console.log('claims:');
console.log(claims);
var obj = { 'dns-01': [], 'http-01': [], 'wildcard': [] };
info.challenges = obj;
var map = {
'http-01': '.js-acme-verification-http-01'
, 'dns-01': '.js-acme-verification-dns-01'
, 'wildcard': '.js-acme-verification-wildcard'
};
options.challengePriority = [ 'http-01', 'dns-01' ];
// TODO make Promise-friendly
return PromiseA.all(claims.map(function (claim) {
var hostname = claim.identifier.value;
return PromiseA.all(claim.challenges.map(function (c) {
var keyAuth = BACME.challenges['http-01']({
token: c.token
, thumbprint: thumbprint
, challengeDomain: hostname
});
return BACME.challenges['dns-01']({
keyAuth: keyAuth.value
, challengeDomain: hostname
}).then(function (dnsAuth) {
var data = {
type: c.type
, hostname: hostname
, url: c.url
, token: c.token
, keyAuthorization: keyAuth
, httpPath: keyAuth.path
, httpAuth: keyAuth.value
, dnsType: dnsAuth.type
, dnsHost: dnsAuth.host
, dnsAnswer: dnsAuth.answer
};
console.log('');
console.log('CHALLENGE');
console.log(claim);
console.log(c);
console.log(data);
console.log('');
if (claim.wildcard) {
obj.wildcard.push(data);
let verification = $qs(".js-acme-verification-wildcard");
verification.querySelector(".js-acme-ver-hostname").innerHTML = data.hostname;
verification.querySelector(".js-acme-ver-txt-host").innerHTML = data.dnsHost;
verification.querySelector(".js-acme-ver-txt-value").innerHTML = data.dnsAnswer;
} else if(obj[data.type]) {
obj[data.type].push(data);
if ('dns-01' === data.type) {
let verification = $qs(".js-acme-verification-dns-01");
verification.querySelector(".js-acme-ver-hostname").innerHTML = data.hostname;
verification.querySelector(".js-acme-ver-txt-host").innerHTML = data.dnsHost;
verification.querySelector(".js-acme-ver-txt-value").innerHTML = data.dnsAnswer;
} else if ('http-01' === data.type) {
$qs(".js-acme-ver-file-location").innerHTML = data.httpPath.split("/").slice(-1);
$qs(".js-acme-ver-content").innerHTML = data.httpAuth;
$qs(".js-acme-ver-uri").innerHTML = data.httpPath;
$qs(".js-download-verify-link").href =
"data:text/octet-stream;base64," + window.btoa(data.httpAuth);
$qs(".js-download-verify-link").download = data.httpPath.split("/").slice(-1);
}
}
});
}));
})).then(function () {
// hide wildcard if no wildcard
// hide http-01 and dns-01 if only wildcard
if (!obj.wildcard.length) {
$qs('.js-acme-wildcard-challenges').hidden = true;
}
if (!obj['http-01'].length) {
$qs('.js-acme-challenges').hidden = true;
}
updateChallengeType();
console.log("MAGIC STEP NUMBER in 2 is:", i);
steps[i]();
});
});
});
}).catch(function (err) {
console.error('Step \'\' Error:');
console.error(err, err.stack);
window.alert("An error happened at Step " + i + ", but it's not your fault. Email aj@rootprojects.org and let him know.");
});
};
steps[3] = function () {
updateProgress(1);
hideForms();
$qs('.js-acme-form-challenges').hidden = false;
};
steps[3].submit = function () {
options.challengeTypes = [ 'dns-01' ];
if ('http-01' === $qs('.js-acme-challenge-type:checked').value) {
options.challengeTypes.unshift('http-01');
}
console.log('primary challenge type is:', options.challengeTypes[0]);
return getAccountKeypair(email).then(function (jwk) {
// for now just show the next page immediately (its a spinner)
// TODO put a test challenge in the list
// TODO warn about wait-time if DNS
steps[i]();
return getServerKeypair().then(function () {
return acme.orders.finalize({
account: accountStuff.account
, accountKeypair: { privateKeyJwk: jwk }
, order: accountStuff.order
, domainKeypair: 'TODO'
});
}).then(function (certs) {
console.log('WINNING!');
console.log(certs);
$qs('#js-fullchain').innerHTML = certs;
$qs("#js-download-fullchain-link").href =
"data:text/octet-stream;base64," + window.btoa(certs);
var wcOpts;
var pemName;
if (/^R/.test(info.serverJwk.kty)) {
pemName = 'RSA';
wcOpts = { name: "RSASSA-PKCS1-v1_5", hash: { name: "SHA-256" } };
} else {
pemName = 'EC';
wcOpts = { name: "ECDSA", namedCurve: "P-256" };
}
return crypto.subtle.importKey(
"jwk"
, info.serverJwk
, wcOpts
, true
, ["sign"]
).then(function (privateKey) {
return window.crypto.subtle.exportKey("pkcs8", privateKey);
}).then (function (keydata) {
var pem = spkiToPEM(keydata, pemName);
$qs('#js-privkey').innerHTML = pem;
$qs("#js-download-privkey-link").href =
"data:text/octet-stream;base64," + window.btoa(pem);
steps[i]();
});
});
}).then(function () {
return submitForm();
});
};
// spinner
steps[4] = function () {
updateProgress(1);
hideForms();
$qs('.js-acme-form-poll').hidden = false;
};
steps[4].submit = function () {
console.log('Congrats! Auto advancing...');
}).catch(function (err) {
console.error(err.toString());
window.alert("An error happened in the final step, but it's not your fault. Email aj@rootprojects.org and let him know.");
});
};
steps[5] = function () {
updateProgress(2);
hideForms();
$qs('.js-acme-form-download').hidden = false;
};
steps[1]();
var params = new URLSearchParams(window.location.search);
var apiType = params.get('acme-api-type') || "staging-v02";
$qsa('.js-acme-api-type').forEach(function ($el) {
$el.addEventListener('change', updateApiType);
});
updateApiType();
$qsa('.js-acme-form').forEach(function ($el) {
$el.addEventListener('submit', function (ev) {
ev.preventDefault();
submitForm(ev);
});
});
$qsa('.js-acme-challenge-type').forEach(function ($el) {
$el.addEventListener('change', updateChallengeType);
});
if(params.has('acme-domains')) {
console.log("acme-domains param: ", params.get('acme-domains'));
$qs('.js-acme-domains').value = params.get('acme-domains');
$qsa('.js-acme-api-type').forEach(function(ele) {
if(ele.value === apiType) {
ele.checked = true;
}
});
updateApiType();
steps[2]();
submitForm();
}
$qs('body').hidden = false;
return testKeypairSupport().then(function (rsaSupport) {
if (rsaSupport) {
return true;
}
return testRsaSupport().then(function () {
console.info('[crypto] RSA is supported');
}).catch(function (err) {
console.error('[crypto] could not use either RSA nor EC.');
console.error(err);
window.alert("Generating secure certificates requires a browser with cryptography support."
+ "Please consider a recent version of Chrome, Firefox, or Safari.");
throw err;
});
});
}());
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