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using new acme

This commit is contained in:
AJ ONeal 2019-05-22 02:45:19 -06:00
parent 49d5346615
commit 0405a7db90
7 changed files with 25 additions and 1383 deletions
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7
app/index.html
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@ -153,9 +153,10 @@
-->
<button class="button-next" type="submit">Next</button>
<div class="email-usage">
Why do we need your email? We link your SSL certificates to the
email you use so you can manage your certificates in the future,
and get important email updates about them.
Why do we need your email?
We link your SSL certificates to the email you use so that you'll
be notified before the certificate expires and so you can manage
your certificates in the future.
</div>
</form>

670
app/js/app.js
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@ -1,670 +0,0 @@
(function () {
'use strict';
/*global URLSearchParams,Headers*/
var BROWSER_SUPPORTS_ECDSA;
var $qs = function (s) { return window.document.querySelector(s); };
var $qsa = function (s) { return window.document.querySelectorAll(s); };
var info = {};
var steps = {};
var nonce;
var kid;
var i = 1;
var BACME = window.BACME;
var PromiseA = window.Promise;
var crypto = window.crypto;
function testEcdsaSupport() {
var opts = {
type: 'ECDSA'
, bitlength: '256'
};
return BACME.accounts.generateKeypair(opts).then(function (jwk) {
return crypto.subtle.importKey(
"jwk"
, jwk
, { name: "ECDSA", namedCurve: "P-256" }
, true
, ["sign"]
).then(function (privateKey) {
return window.crypto.subtle.exportKey("pkcs8", privateKey);
});
});
}
function testRsaSupport() {
var opts = {
type: 'RSA'
, bitlength: '2048'
};
return BACME.accounts.generateKeypair(opts).then(function (jwk) {
return crypto.subtle.importKey(
"jwk"
, jwk
, { name: "RSASSA-PKCS1-v1_5", hash: { name: "SHA-256" } }
, true
, ["sign"]
).then(function (privateKey) {
return window.crypto.subtle.exportKey("pkcs8", privateKey);
});
});
}
function testKeypairSupport() {
return testEcdsaSupport().then(function () {
console.info("[crypto] ECDSA is supported");
BROWSER_SUPPORTS_ECDSA = true;
localStorage.setItem('version', '1');
return true;
}).catch(function () {
console.warn("[crypto] ECDSA is NOT fully supported");
BROWSER_SUPPORTS_ECDSA = false;
// fix previous firefox browsers
if (!localStorage.getItem('version')) {
localStorage.clear();
localStorage.setItem('version', '1');
}
return false;
});
}
testKeypairSupport().then(function (ecdsaSupport) {
if (ecdsaSupport) {
return true;
}
return testRsaSupport().then(function () {
console.info('[crypto] RSA is supported');
}).catch(function (err) {
console.error('[crypto] could not use either EC nor RSA.');
console.error(err);
window.alert("Your browser is cryptography support (neither RSA or EC is usable). Please use Chrome, Firefox, or Safari.");
});
});
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);
}
$qsa('.js-acme-api-type').forEach(function ($el) {
$el.addEventListener('change', updateApiType);
});
updateApiType();
function hideForms() {
$qsa('.js-acme-form').forEach(function (el) {
el.hidden = true;
});
}
function updateProgress(currentStep) {
var progressSteps = $qs("#js-progress-bar").children;
for(var j = 0; j < progressSteps.length; j++) {
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.");
});
}
$qsa('.js-acme-form').forEach(function ($el) {
$el.addEventListener('submit', function (ev) {
ev.preventDefault();
submitForm(ev);
});
});
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;
}
}
$qsa('.js-acme-challenge-type').forEach(function ($el) {
$el.addEventListener('change', updateChallengeType);
});
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'
, 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; }
});
return BACME.directory({ directoryUrl: $qs('.js-acme-directory-url').value }).then(function (directory) {
$qs('.js-acme-tos-url').href = directory.meta.termsOfService;
return BACME.nonce().then(function (_nonce) {
nonce = _nonce;
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
// options for
// * regenerate key
// * ECDSA / RSA / bitlength
// TODO ping with version and account creation
setTimeout(saveContact, 100, email, info.identifiers.map(function (ident) { return ident.value; }));
var jwk = JSON.parse(localStorage.getItem('account:' + email) || 'null');
var p;
function createKeypair() {
var opts;
if(BROWSER_SUPPORTS_ECDSA) {
opts = {
type: 'ECDSA'
, bitlength: '256'
};
} else {
opts = {
type: 'RSA'
, bitlength: '2048'
};
}
return BACME.accounts.generateKeypair(opts).then(function (jwk) {
localStorage.setItem('account:' + email, JSON.stringify(jwk));
return jwk;
});
}
if (jwk) {
p = PromiseA.resolve(jwk);
} else {
p = testKeypairSupport().then(createKeypair);
}
function createAccount(jwk) {
console.log('account jwk:');
console.log(jwk);
delete jwk.key_ops;
info.jwk = jwk;
return BACME.accounts.sign({
jwk: jwk
, contacts: [ 'mailto:' + email ]
, agree: info.agree
, nonce: nonce
, kid: kid
}).then(function (signedAccount) {
return BACME.accounts.set({
signedAccount: signedAccount
}).then(function (account) {
console.log('account:');
console.log(account);
kid = account.kid;
return kid;
});
});
}
return p.then(function (_jwk) {
jwk = _jwk;
kid = JSON.parse(localStorage.getItem('account-kid:' + email) || 'null');
var p2;
// TODO save account id rather than always retrieving it
if (kid) {
p2 = PromiseA.resolve(kid);
} else {
p2 = createAccount(jwk);
}
return p2.then(function (_kid) {
kid = _kid;
info.kid = kid;
return BACME.orders.sign({
jwk: jwk
, identifiers: info.identifiers
, kid: kid
}).then(function (signedOrder) {
return BACME.orders.create({
signedOrder: signedOrder
}).then(function (order) {
info.finalizeUrl = order.finalize;
info.orderUrl = order.url; // from header Location ???
return BACME.thumbprint({ jwk: jwk }).then(function (thumbprint) {
return BACME.challenges.all().then(function (claims) {
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'
};
/*
var tpls = {};
Object.keys(map).forEach(function (k) {
var sel = map[k] + ' tbody';
console.log(sel);
tpls[k] = $qs(sel).innerHTML;
$qs(map[k] + ' tbody').innerHTML = '';
});
*/
// 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();
$qs('.js-acme-form-challenges').hidden = false;
};
steps[3].submit = function () {
var chType;
Array.prototype.some.call($qsa('.js-acme-challenge-type'), function ($el) {
if ($el.checked) {
chType = $el.value;
return true;
}
});
console.log('chType is:', chType);
var chs = [];
// do each wildcard, if any
// do each challenge, by selected type only
[ 'wildcard', chType].forEach(function (typ) {
info.challenges[typ].forEach(function (ch) {
// { jwk, challengeUrl, accountId (kid) }
chs.push({
jwk: info.jwk
, challengeUrl: ch.url
, accountId: info.kid
});
});
});
console.log("INFO.challenges !!!!!", info.challenges);
var results = [];
function nextChallenge() {
var ch = chs.pop();
if (!ch) { return results; }
return BACME.challenges.accept(ch).then(function (result) {
results.push(result);
return nextChallenge();
});
}
// for now just show the next page immediately (its a spinner)
steps[i]();
return nextChallenge().then(function (results) {
console.log('challenge status:', results);
var polls = results.slice(0);
var allsWell = true;
function checkPolls() {
return new PromiseA(function (resolve) {
setTimeout(resolve, 1000);
}).then(function () {
return PromiseA.all(polls.map(function (poll) {
return BACME.challenges.check({ challengePollUrl: poll.url });
})).then(function (polls) {
console.log(polls);
polls = polls.filter(function (poll) {
//return 'valid' !== poll.status && 'invalid' !== poll.status;
if ('pending' === poll.status) {
return true;
}
if ('invalid' === poll.status) {
allsWell = false;
window.alert("verification failed:" + poll.error.detail);
return;
}
if (poll.error) {
window.alert("verification failed:" + poll.error.detail);
return;
}
if ('valid' !== poll.status) {
allsWell = false;
console.warn('BAD POLL STATUS', poll);
window.alert("unknown error: " + JSON.stringify(poll, null, 2));
}
// TODO show status in HTML
});
if (polls.length) {
return checkPolls();
}
return true;
});
});
}
return checkPolls().then(function () {
if (allsWell) {
return submitForm();
}
});
});
};
// https://stackoverflow.com/questions/40314257/export-webcrypto-key-to-pem-format
function spkiToPEM(keydata, pemName){
var keydataS = arrayBufferToString(keydata);
var keydataB64 = window.btoa(keydataS);
var keydataB64Pem = formatAsPem(keydataB64, pemName);
return keydataB64Pem;
}
function arrayBufferToString( buffer ) {
var binary = '';
var bytes = new Uint8Array( buffer );
var len = bytes.byteLength;
for (var i = 0; i < len; i++) {
binary += String.fromCharCode( bytes[ i ] );
}
return binary;
}
function formatAsPem(str, pemName) {
var finalString = '-----BEGIN ' + pemName + ' PRIVATE KEY-----\n';
while(str.length > 0) {
finalString += str.substring(0, 64) + '\n';
str = str.substring(64);
}
finalString = finalString + '-----END ' + pemName + ' PRIVATE KEY-----';
return finalString;
}
// spinner
steps[4] = function () {
updateProgress(1);
hideForms();
$qs('.js-acme-form-poll').hidden = false;
};
steps[4].submit = function () {
console.log('Congrats! Auto advancing...');
var key = info.identifiers.map(function (ident) { return ident.value; }).join(',');
var serverJwk = JSON.parse(localStorage.getItem('server:' + key) || 'null');
var p;
function createKeypair() {
var opts;
if (BROWSER_SUPPORTS_ECDSA) {
opts = { type: 'ECDSA', bitlength: '256' };
} else {
opts = { type: 'RSA', bitlength: '2048' };
}
return BACME.domains.generateKeypair(opts).then(function (serverJwk) {
localStorage.setItem('server:' + key, JSON.stringify(serverJwk));
return serverJwk;
});
}
if (serverJwk) {
p = PromiseA.resolve(serverJwk);
} else {
p = createKeypair();
}
return p.then(function (_serverJwk) {
serverJwk = _serverJwk;
info.serverJwk = serverJwk;
// { serverJwk, domains }
return BACME.orders.generateCsr({
serverJwk: serverJwk
, domains: info.identifiers.map(function (ident) {
return ident.value;
})
}).then(function (csrweb64) {
return BACME.orders.finalize({
csr: csrweb64
, jwk: info.jwk
, finalizeUrl: info.finalizeUrl
, accountId: info.kid
});
}).then(function () {
function checkCert() {
return new PromiseA(function (resolve) {
setTimeout(resolve, 1000);
}).then(function () {
return BACME.orders.check({ orderUrl: info.orderUrl });
}).then(function (reply) {
if ('processing' === reply) {
return checkCert();
}
return reply;
});
}
return checkCert();
}).then(function (reply) {
return BACME.orders.receive({ certificateUrl: reply.certificate });
}).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]();
});
});
}).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";
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;
}());

699
app/js/bacme.js
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@ -1,699 +0,0 @@
/*global CSR*/
// CSR takes a while to load after the page load
(function (exports) {
'use strict';
var BACME = exports.BACME = {};
var webFetch = exports.fetch;
var webCrypto = exports.crypto;
var Promise = exports.Promise;
var directoryUrl = 'https://acme-staging-v02.api.letsencrypt.org/directory';
var directory;
var nonceUrl;
var nonce;
var accountKeypair;
var accountJwk;
var accountUrl;
BACME.challengePrefixes = {
'http-01': '/.well-known/acme-challenge'
, 'dns-01': '_acme-challenge'
};
BACME._logHeaders = function (resp) {
console.log('Headers:');
Array.from(resp.headers.entries()).forEach(function (h) { console.log(h[0] + ': ' + h[1]); });
};
BACME._logBody = function (body) {
console.log('Body:');
console.log(JSON.stringify(body, null, 2));
console.log('');
};
BACME.directory = function (opts) {
return webFetch(opts.directoryUrl || directoryUrl, { mode: 'cors' }).then(function (resp) {
BACME._logHeaders(resp);
return resp.json().then(function (reply) {
if (/error/.test(reply.type)) {
return Promise.reject(new Error(reply.detail || reply.type));
}
directory = reply;
nonceUrl = directory.newNonce || 'https://acme-staging-v02.api.letsencrypt.org/acme/new-nonce';
accountUrl = directory.newAccount || 'https://acme-staging-v02.api.letsencrypt.org/acme/new-account';
orderUrl = directory.newOrder || "https://acme-staging-v02.api.letsencrypt.org/acme/new-order";
BACME._logBody(reply);
return reply;
});
});
};
BACME.nonce = function () {
return webFetch(nonceUrl, { mode: 'cors' }).then(function (resp) {
BACME._logHeaders(resp);
nonce = resp.headers.get('replay-nonce');
console.log('Nonce:', nonce);
// resp.body is empty
return resp.headers.get('replay-nonce');
});
};
BACME.accounts = {};
// type = ECDSA
// bitlength = 256
BACME.accounts.generateKeypair = function (opts) {
return BACME.generateKeypair(opts).then(function (result) {
accountKeypair = result;
return webCrypto.subtle.exportKey(
"jwk"
, result.privateKey
).then(function (privJwk) {
accountJwk = privJwk;
console.log('private jwk:');
console.log(JSON.stringify(privJwk, null, 2));
return privJwk;
/*
return webCrypto.subtle.exportKey(
"pkcs8"
, result.privateKey
).then(function (keydata) {
console.log('pkcs8:');
console.log(Array.from(new Uint8Array(keydata)));
return privJwk;
//return accountKeypair;
});
*/
});
});
};
// json to url-safe base64
BACME._jsto64 = function (json) {
return btoa(JSON.stringify(json)).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/g, '');
};
var textEncoder = new TextEncoder();
BACME._importKey = function (jwk) {
var alg; // I think the 256 refers to the hash
var wcOpts = {};
var extractable = true; // TODO make optionally false?
var priv = jwk;
var pub;
// ECDSA
if (/^EC/i.test(jwk.kty)) {
wcOpts.name = 'ECDSA';
wcOpts.namedCurve = jwk.crv;
alg = 'ES256';
pub = {
crv: priv.crv
, kty: priv.kty
, x: priv.x
, y: priv.y
};
if (!priv.d) {
priv = null;
}
}
// RSA
if (/^RS/i.test(jwk.kty)) {
wcOpts.name = 'RSASSA-PKCS1-v1_5';
wcOpts.hash = { name: "SHA-256" };
alg = 'RS256';
pub = {
e: priv.e
, kty: priv.kty
, n: priv.n
};
if (!priv.p) {
priv = null;
}
}
return window.crypto.subtle.importKey(
"jwk"
, pub
, wcOpts
, extractable
, [ "verify" ]
).then(function (publicKey) {
function give(privateKey) {
return {
wcPub: publicKey
, wcKey: privateKey
, wcKeypair: { publicKey: publicKey, privateKey: privateKey }
, meta: {
alg: alg
, name: wcOpts.name
, hash: wcOpts.hash
}
, jwk: jwk
};
}
if (!priv) {
return give();
}
return window.crypto.subtle.importKey(
"jwk"
, priv
, wcOpts
, extractable
, [ "sign"/*, "verify"*/ ]
).then(give);
});
};
BACME._sign = function (opts) {
var wcPrivKey = opts.abstractKey.wcKeypair.privateKey;
var wcOpts = opts.abstractKey.meta;
var alg = opts.abstractKey.meta.alg; // I think the 256 refers to the hash
var signHash;
console.log('kty', opts.abstractKey.jwk.kty);
signHash = { name: "SHA-" + alg.replace(/[a-z]+/ig, '') };
var msg = textEncoder.encode(opts.protected64 + '.' + opts.payload64);
console.log('msg:', msg);
return window.crypto.subtle.sign(
{ name: wcOpts.name, hash: signHash }
, wcPrivKey
, msg
).then(function (signature) {
//console.log('sig1:', signature);
//console.log('sig2:', new Uint8Array(signature));
//console.log('sig3:', Array.prototype.slice.call(new Uint8Array(signature)));
// convert buffer to urlsafe base64
var sig64 = btoa(Array.prototype.map.call(new Uint8Array(signature), function (ch) {
return String.fromCharCode(ch);
}).join('')).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/g, '');
console.log('[1] URL-safe Base64 Signature:');
console.log(sig64);
var signedMsg = {
protected: opts.protected64
, payload: opts.payload64
, signature: sig64
};
console.log('Signed Base64 Msg:');
console.log(JSON.stringify(signedMsg, null, 2));
return signedMsg;
});
};
// email = john.doe@gmail.com
// jwk = { ... }
// agree = true
BACME.accounts.sign = function (opts) {
return BACME._importKey(opts.jwk).then(function (abstractKey) {
var payloadJson =
{ termsOfServiceAgreed: opts.agree
, onlyReturnExisting: false
, contact: opts.contacts || [ 'mailto:' + opts.email ]
};
console.log('payload:');
console.log(payloadJson);
var payload64 = BACME._jsto64(
payloadJson
);
var protectedJson =
{ nonce: opts.nonce
, url: accountUrl
, alg: abstractKey.meta.alg
, jwk: null
};
if (/EC/i.test(opts.jwk.kty)) {
protectedJson.jwk = {
crv: opts.jwk.crv
, kty: opts.jwk.kty
, x: opts.jwk.x
, y: opts.jwk.y
};
} else if (/RS/i.test(opts.jwk.kty)) {
protectedJson.jwk = {
e: opts.jwk.e
, kty: opts.jwk.kty
, n: opts.jwk.n
};
} else {
return Promise.reject(new Error("[acme.accounts.sign] unsupported key type '" + opts.jwk.kty + "'"));
}
console.log('protected:');
console.log(protectedJson);
var protected64 = BACME._jsto64(
protectedJson
);
// Note: this function hashes before signing so send data, not the hash
return BACME._sign({
abstractKey: abstractKey
, payload64: payload64
, protected64: protected64
});
});
};
var accountId;
BACME.accounts.set = function (opts) {
nonce = null;
return window.fetch(accountUrl, {
mode: 'cors'
, method: 'POST'
, headers: { 'Content-Type': 'application/jose+json' }
, body: JSON.stringify(opts.signedAccount)
}).then(function (resp) {
BACME._logHeaders(resp);
nonce = resp.headers.get('replay-nonce');
accountId = resp.headers.get('location');
console.log('Next nonce:', nonce);
console.log('Location/kid:', accountId);
if (!resp.headers.get('content-type')) {
console.log('Body: <none>');
return { kid: accountId };
}
return resp.json().then(function (result) {
if (/^Error/i.test(result.detail)) {
return Promise.reject(new Error(result.detail));
}
result.kid = accountId;
BACME._logBody(result);
return result;
});
});
};
var orderUrl;
BACME.orders = {};
// identifiers = [ { type: 'dns', value: 'example.com' }, { type: 'dns', value: '*.example.com' } ]
// signedAccount
BACME.orders.sign = function (opts) {
var payload64 = BACME._jsto64({ identifiers: opts.identifiers });
return BACME._importKey(opts.jwk).then(function (abstractKey) {
var protected64 = BACME._jsto64(
{ nonce: nonce, alg: abstractKey.meta.alg/*'ES256'*/, url: orderUrl, kid: opts.kid }
);
console.log('abstractKey:');
console.log(abstractKey);
return BACME._sign({
abstractKey: abstractKey
, payload64: payload64
, protected64: protected64
}).then(function (sig) {
if (!sig) {
throw new Error('sig is undefined... nonsense!');
}
console.log('newsig', sig);
return sig;
});
});
};
var currentOrderUrl;
var authorizationUrls;
var finalizeUrl;
BACME.orders.create = function (opts) {
nonce = null;
return window.fetch(orderUrl, {
mode: 'cors'
, method: 'POST'
, headers: { 'Content-Type': 'application/jose+json' }
, body: JSON.stringify(opts.signedOrder)
}).then(function (resp) {
BACME._logHeaders(resp);
currentOrderUrl = resp.headers.get('location');
nonce = resp.headers.get('replay-nonce');
console.log('Next nonce:', nonce);
return resp.json().then(function (result) {
if (/^Error/i.test(result.detail)) {
return Promise.reject(new Error(result.detail));
}
authorizationUrls = result.authorizations;
finalizeUrl = result.finalize;
BACME._logBody(result);
result.url = currentOrderUrl;
return result;
});
});
};
BACME.challenges = {};
BACME.challenges.all = function () {
var challenges = [];
function next() {
if (!authorizationUrls.length) {
return challenges;
}
return BACME.challenges.view().then(function (challenge) {
challenges.push(challenge);
return next();
});
}
return next();
};
BACME.challenges.view = function () {
var authzUrl = authorizationUrls.pop();
var token;
var challengeDomain;
var challengeUrl;
return window.fetch(authzUrl, {
mode: 'cors'
}).then(function (resp) {
BACME._logHeaders(resp);
return resp.json().then(function (result) {
// Note: select the challenge you wish to use
var challenge = result.challenges.slice(0).pop();
token = challenge.token;
challengeUrl = challenge.url;
challengeDomain = result.identifier.value;
BACME._logBody(result);
return {
challenges: result.challenges
, expires: result.expires
, identifier: result.identifier
, status: result.status
, wildcard: result.wildcard
//, token: challenge.token
//, url: challenge.url
//, domain: result.identifier.value,
};
});
});
};
var thumbprint;
var keyAuth;
var httpPath;
var dnsAuth;
var dnsRecord;
BACME.thumbprint = function (opts) {
// https://stackoverflow.com/questions/42588786/how-to-fingerprint-a-jwk
var accountJwk = opts.jwk;
var keys;
if (/^EC/i.test(opts.jwk.kty)) {
keys = [ 'crv', 'kty', 'x', 'y' ];
} else if (/^RS/i.test(opts.jwk.kty)) {
keys = [ 'e', 'kty', 'n' ];
}
var accountPublicStr = '{' + keys.map(function (key) {
return '"' + key + '":"' + accountJwk[key] + '"';
}).join(',') + '}';
return window.crypto.subtle.digest(
{ name: "SHA-256" } // SHA-256 is spec'd, non-optional
, textEncoder.encode(accountPublicStr)
).then(function (hash) {
thumbprint = btoa(Array.prototype.map.call(new Uint8Array(hash), function (ch) {
return String.fromCharCode(ch);
}).join('')).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/g, '');
console.log('Thumbprint:');
console.log(opts);
console.log(accountPublicStr);
console.log(thumbprint);
return thumbprint;
});
};
// { token, thumbprint, challengeDomain }
BACME.challenges['http-01'] = function (opts) {
// The contents of the key authorization file
keyAuth = opts.token + '.' + opts.thumbprint;
// Where the key authorization file goes
httpPath = 'http://' + opts.challengeDomain + '/.well-known/acme-challenge/' + opts.token;
console.log("echo '" + keyAuth + "' > '" + httpPath + "'");
return {
path: httpPath
, value: keyAuth
};
};
// { keyAuth }
BACME.challenges['dns-01'] = function (opts) {
console.log('opts.keyAuth for DNS:');
console.log(opts.keyAuth);
return window.crypto.subtle.digest(
{ name: "SHA-256", }
, textEncoder.encode(opts.keyAuth)
).then(function (hash) {
dnsAuth = btoa(Array.prototype.map.call(new Uint8Array(hash), function (ch) {
return String.fromCharCode(ch);
}).join('')).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/g, '');
dnsRecord = '_acme-challenge.' + opts.challengeDomain;
console.log('DNS TXT Auth:');
// The name of the record
console.log(dnsRecord);
// The TXT record value
console.log(dnsAuth);
return {
type: 'TXT'
, host: dnsRecord
, answer: dnsAuth
};
});
};
var challengePollUrl;
// { jwk, challengeUrl, accountId (kid) }
BACME.challenges.accept = function (opts) {
var payload64 = BACME._jsto64({});
return BACME._importKey(opts.jwk).then(function (abstractKey) {
var protected64 = BACME._jsto64(
{ nonce: nonce, alg: abstractKey.meta.alg/*'ES256'*/, url: opts.challengeUrl, kid: opts.accountId }
);
return BACME._sign({
abstractKey: abstractKey
, payload64: payload64
, protected64: protected64
});
}).then(function (signedAccept) {
nonce = null;
return window.fetch(
opts.challengeUrl
, { mode: 'cors'
, method: 'POST'
, headers: { 'Content-Type': 'application/jose+json' }
, body: JSON.stringify(signedAccept)
}
).then(function (resp) {
BACME._logHeaders(resp);
nonce = resp.headers.get('replay-nonce');
console.log("ACCEPT NONCE:", nonce);
return resp.json().then(function (reply) {
challengePollUrl = reply.url;
console.log('Challenge ACK:');
console.log(JSON.stringify(reply));
return reply;
});
});
});
};
BACME.challenges.check = function (opts) {
return window.fetch(opts.challengePollUrl, { mode: 'cors' }).then(function (resp) {
BACME._logHeaders(resp);
return resp.json().then(function (reply) {
if (/error/.test(reply.type)) {
return Promise.reject(new Error(reply.detail || reply.type));
}
challengePollUrl = reply.url;
BACME._logBody(reply);
return reply;
});
});
};
var domainKeypair;
var domainJwk;
BACME.generateKeypair = function (opts) {
var wcOpts = {};
// ECDSA has only the P curves and an associated bitlength
if (/^EC/i.test(opts.type)) {
wcOpts.name = 'ECDSA';
if (/256/.test(opts.bitlength)) {
wcOpts.namedCurve = 'P-256';
}
}
// RSA-PSS is another option, but I don't think it's used for Let's Encrypt
// I think the hash is only necessary for signing, not generation or import
if (/^RS/i.test(opts.type)) {
wcOpts.name = 'RSASSA-PKCS1-v1_5';
wcOpts.modulusLength = opts.bitlength;
if (opts.bitlength < 2048) {
wcOpts.modulusLength = opts.bitlength * 8;
}
wcOpts.publicExponent = new Uint8Array([0x01, 0x00, 0x01]);
wcOpts.hash = { name: "SHA-256" };
}
var extractable = true;
return window.crypto.subtle.generateKey(
wcOpts
, extractable
, [ 'sign', 'verify' ]
);
};
BACME.domains = {};
// TODO factor out from BACME.accounts.generateKeypair even more
BACME.domains.generateKeypair = function (opts) {
return BACME.generateKeypair(opts).then(function (result) {
domainKeypair = result;
return window.crypto.subtle.exportKey(
"jwk"
, result.privateKey
).then(function (privJwk) {
domainJwk = privJwk;
console.log('private jwk:');
console.log(JSON.stringify(privJwk, null, 2));
return privJwk;
});
});
};
// { serverJwk, domains }
BACME.orders.generateCsr = function (opts) {
return BACME._importKey(opts.serverJwk).then(function (abstractKey) {
return Promise.resolve(CSR.generate({ keypair: abstractKey.wcKeypair, domains: opts.domains }));
});
};
var certificateUrl;
// { csr, jwk, finalizeUrl, accountId }
BACME.orders.finalize = function (opts) {
var payload64 = BACME._jsto64(
{ csr: opts.csr }
);
return BACME._importKey(opts.jwk).then(function (abstractKey) {
var protected64 = BACME._jsto64(
{ nonce: nonce, alg: abstractKey.meta.alg/*'ES256'*/, url: opts.finalizeUrl, kid: opts.accountId }
);
return BACME._sign({
abstractKey: abstractKey
, payload64: payload64
, protected64: protected64
});
}).then(function (signedFinal) {
nonce = null;
return window.fetch(
opts.finalizeUrl
, { mode: 'cors'
, method: 'POST'
, headers: { 'Content-Type': 'application/jose+json' }
, body: JSON.stringify(signedFinal)
}
).then(function (resp) {
BACME._logHeaders(resp);
nonce = resp.headers.get('replay-nonce');
return resp.json().then(function (reply) {
if (/error/.test(reply.type)) {
return Promise.reject(new Error(reply.detail || reply.type));
}
certificateUrl = reply.certificate;
BACME._logBody(reply);
return reply;
});
});
});
};
BACME.orders.receive = function (opts) {
return window.fetch(
opts.certificateUrl
, { mode: 'cors'
, method: 'GET'
}
).then(function (resp) {
BACME._logHeaders(resp);
nonce = resp.headers.get('replay-nonce');
return resp.text().then(function (reply) {
BACME._logBody(reply);
return reply;
});
});
};
BACME.orders.check = function (opts) {
return window.fetch(
opts.orderUrl
, { mode: 'cors'
, method: 'GET'
}
).then(function (resp) {
BACME._logHeaders(resp);
return resp.json().then(function (reply) {
if (/error/.test(reply.type)) {
return Promise.reject(new Error(reply.detail || reply.type));
}
BACME._logBody(reply);
return reply;
});
});
};
}(window));

18
app/js/greenlock.js
View File

@ -20,6 +20,15 @@
var steps = {};
var i = 1;
var apiUrl = 'https://acme-{{env}}.api.letsencrypt.org/directory';
// fix previous browsers
var isCurrent = (localStorage.getItem('version') === VERSION);
if (!isCurrent) {
localStorage.clear();
localStorage.setItem('version', VERSION);
}
localStorage.setItem('version', VERSION);
var challenges = {
'http-01': {
set: function (auth) {
@ -120,13 +129,6 @@
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");
@ -221,7 +223,7 @@
$qs('.js-acme-form-domains').hidden = false;
};
steps[1].submit = function () {
info.domains = $qs('.js-acme-domains').value.replace(/https?:\/\//g, ' ').replace(/,/g, ' ').trim().split(/\s+/g);
info.domains = $qs('.js-acme-domains').value.replace(/https?:\/\//g, ' ').replace(/[,+]/g, ' ').trim().split(/\s+/g);
info.identifiers = info.domains.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.

2
index.html
View File

@ -45,7 +45,7 @@
Greenlock will process the CSR in the browser and request the certificates directly from letsencrypt.org.
Please enable Javascript before continuing.
</div>
<form id="js-acme-form" action="./app/" method=>
<form id="js-acme-form" action="./app/" method="GET">
<div class="domain-psuedo-input">
<span class="secure-green">Secure</span> | <span class="secure-green">https:</span>//<input aria-label="domains to secure" id="acme-domains" type="text" name="acme-domains" placeholder="Your domain name" required>
</div>

6
install.sh
View File

@ -1,5 +1,11 @@
#!/bin/bash
mkdir -p app/js/
pushd app/js/
wget -c https://rootprojects.org/acme/bluecrypt-acme.js
wget -c https://rootprojects.org/acme/bluecrypt-acme.min.js
popd
mkdir -p app/js/pkijs.org/v1.3.33/
pushd app/js/pkijs.org/v1.3.33/
wget -c https://raw.githubusercontent.com/PeculiarVentures/PKI.js/41b63af760cacb565dd850fb3466ada4ca163eff/org/pkijs/common.js

6
js/app.js
View File

@ -2,11 +2,11 @@
'use strict';
var $qs = function (s) { return window.document.querySelector(s); };
var $qsa = function (s) { return window.document.querySelectorAll(s); };
$qs('.js-javascript-warning').hidden = true;
var apiUrl = 'https://acme-{{env}}.api.letsencrypt.org/directory';
function updateApiType() {
var formData = new FormData($qs("#js-acme-form"));
@ -15,13 +15,15 @@
var value = formData.get("acme-api-type");
$qs('#js-acme-api-url').value = apiUrl.replace(/{{env}}/g, value);
}
$qs('#js-acme-form').addEventListener('change', updateApiType);
//$qs('#js-acme-form').addEventListener('submit', prettyRedirect);
updateApiType();
try {
document.fonts.load().then(function() {
$qs('body').classList.add("js-app-ready");
}).catch(function(error) {
}).catch(function(e) {
$qs('body').classList.add("js-app-ready");
});
} catch(e) {