greenlock.html/js/app.js

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JavaScript
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(function () {
'use strict';
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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;
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var i = 1;
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var apiUrl = 'https://acme-{{env}}.api.letsencrypt.org/directory';
function updateApiType() {
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();
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function hideForms() {
$qsa('.js-acme-form').forEach(function (el) {
el.hidden = true;
});
}
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function submitForm(ev) {
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var j = i;
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i += 1;
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steps[j].submit(ev);
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}
$qsa('.js-acme-form').forEach(function ($el) {
$el.addEventListener('submit', function (ev) {
ev.preventDefault();
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submitForm(ev);
});
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});
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function updateChallengeType() {
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var input = this || Array.prototype.filter.call(
$qsa('.js-acme-challenge-type'), function ($el) { return $el.checked; }
)[0];
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console.log('ch type radio:', input.value);
$qs('.js-acme-table-wildcard').hidden = true;
$qs('.js-acme-table-http-01').hidden = true;
$qs('.js-acme-table-dns-01').hidden = true;
if (info.challenges.wildcard) {
$qs('.js-acme-table-wildcard').hidden = false;
}
if (info.challenges[input.value]) {
$qs('.js-acme-table-' + input.value).hidden = false;
}
}
$qsa('.js-acme-challenge-type').forEach(function ($el) {
$el.addEventListener('change', updateChallengeType);
});
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steps[1] = function () {
hideForms();
$qs('.js-acme-form-domains').hidden = false;
};
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steps[1].submit = function () {
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() };
});
info.identifiers.sort(function (a, b) {
if (a === b) { return 0; }
if (a < b) { return 1; }
if (a > b) { return -1; }
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});
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return BACME.directory({ directoryUrl: $qs('.js-acme-directory-url').value }).then(function (directory) {
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$qs('.js-acme-tos-url').href = directory.meta.termsOfService;
return BACME.nonce().then(function (_nonce) {
nonce = _nonce;
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console.log("MAGIC STEP NUMBER in 1 is:", i);
steps[i]();
});
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});
};
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steps[2] = function () {
hideForms();
$qs('.js-acme-form-account').hidden = false;
};
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steps[2].submit = function () {
var email = $qs('.js-acme-account-email').value.toLowerCase().trim();
info.contact = [ 'mailto:' + email ];
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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
var jwk = JSON.parse(localStorage.getItem('account:' + email) || 'null');
var p;
function createKeypair() {
return BACME.accounts.generateKeypair({
type: 'ECDSA'
, bitlength: '256'
}).then(function (jwk) {
localStorage.setItem('account:' + email, JSON.stringify(jwk));
return jwk;
})
}
if (jwk) {
p = Promise.resolve(jwk);
} else {
p = createKeypair();
}
function createAccount(jwk) {
console.log('account jwk:');
console.log(jwk);
delete jwk.key_ops;
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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 = Promise.resolve(kid);
} else {
p2 = createAccount(jwk);
}
return p2.then(function (_kid) {
kid = _kid;
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info.kid = kid;
return BACME.orders.sign({
jwk: jwk
, identifiers: info.identifiers
, kid: kid
}).then(function (signedOrder) {
return BACME.orders.create({
signedOrder: signedOrder
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}).then(function (order) {
info.finalizeUrl = order.finalize;
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info.orderUrl = order.url; // from header Location ???
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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': [] };
var map = {
'http-01': '.js-acme-table-http-01'
, 'dns-01': '.js-acme-table-dns-01'
, 'wildcard': '.js-acme-table-wildcard'
}
var tpls = {};
info.challenges = obj;
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 Promise.all(claims.map(function (claim) {
var hostname = claim.identifier.value;
return Promise.all(claim.challenges.map(function (c) {
var keyAuth = BACME.challenges['http-01']({
token: c.token
, thumbprint: thumbprint
, challengeDomain: hostname
});
return BACME.challenges['dns-01']({
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keyAuth: keyAuth.value
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, 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);
$qs(map.wildcard).innerHTML += '<tr><td>' + data.hostname + '</td><td>' + data.dnsHost + '</td><td>' + data.dnsAnswer + '</td></tr>';
} else {
obj[data.type].push(data);
if ('dns-01' === data.type) {
$qs(map[data.type]).innerHTML += '<tr><td>' + data.hostname + '</td><td>' + data.dnsHost + '</td><td>' + data.dnsAnswer + '</td></tr>';
} else if ('http-01' === data.type) {
$qs(map[data.type]).innerHTML += '<tr><td>' + data.hostname + '</td><td>' + data.httpPath + '</td><td>' + data.httpAuth + '</td></tr>';
} else {
throw new Error('Unexpected type: ' + data.type);
}
}
});
}));
})).then(function () {
// hide wildcard if no wildcard
// hide http-01 and dns-01 if only wildcard
if (!obj.wildcard.length) {
$qs('.js-acme-wildcard').hidden = true;
}
if (!obj['http-01'].length) {
$qs('.js-acme-challenges').hidden = true;
}
updateChallengeType();
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console.log("MAGIC STEP NUMBER in 2 is:", i);
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steps[i]();
});
});
});
});
});
});
}).catch(function (err) {
console.error('Step \'' + i + '\' Error:');
console.error(err);
});
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};
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steps[3] = function () {
hideForms();
$qs('.js-acme-form-challenges').hidden = false;
};
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steps[3].submit = function () {
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var chType;
Array.prototype.some.call($qsa('.js-acme-challenge-type'), function ($el) {
if ($el.checked) {
chType = $el.value;
return true;
}
});
console.log('chType is:', chType);
var chs = [];
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// 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) }
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chs.push({
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jwk: info.jwk
, challengeUrl: ch.url
, accountId: info.kid
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});
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});
});
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console.log("INFO.challenges !!!!!", info.challenges);
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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();
});
}
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// for now just show the next page immediately (its a spinner)
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steps[i]();
return nextChallenge().then(function (results) {
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console.log('challenge status:', results);
var polls = results.slice(0);
var allsWell = true;
function checkPolls() {
return new Promise(function (resolve) {
setTimeout(resolve, 1000);
}).then(function () {
return Promise.all(polls.map(function (poll) {
return BACME.challenges.check({ challengePollUrl: poll.url });
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})).then(function (polls) {
console.log(polls);
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polls = polls.filter(function (poll) {
//return 'valid' !== poll.status && 'invalid' !== poll.status;
if ('pending' === poll.status) {
return true;
}
if ('valid' !== poll.status) {
allsWell = false;
console.warn('BAD POLL STATUS', poll);
}
// TODO show status in HTML
});
if (polls.length) {
return checkPolls();
}
return true;
});
});
}
return checkPolls().then(function () {
if (allsWell) {
return submitForm();
}
});
});
};
// spinner
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steps[4] = function () {
hideForms();
$qs('.js-acme-form-poll').hidden = false;
}
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steps[4].submit = function () {
console.log('Congrats! Auto advancing...');
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var key = info.identifiers.map(function (ident) { return ident.value; }).join(',');
var serverJwk = JSON.parse(localStorage.getItem('server:' + key) || 'null');
var p;
function createKeypair() {
return BACME.accounts.generateKeypair({
type: 'ECDSA'
, bitlength: '256'
}).then(function (serverJwk) {
localStorage.setItem('server:' + key, JSON.stringify(serverJwk));
return serverJwk;
})
}
if (serverJwk) {
p = Promise.resolve(serverJwk);
} else {
p = createKeypair();
}
return p.then(function (_serverJwk) {
serverJwk = _serverJwk;
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info.serverJwk = serverJwk;
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// { serverJwk, domains }
return BACME.orders.generateCsr({
serverJwk: serverJwk
, domains: info.identifiers.map(function (ident) {
return ident.value;
})
}).then(function (csrweb64) {
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return BACME.orders.finalize({
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csr: csrweb64
, jwk: info.jwk
, finalizeUrl: info.finalizeUrl
, accountId: info.kid
});
}).then(function () {
function checkCert() {
return new Promise(function (resolve) {
setTimeout(resolve, 1000);
}).then(function () {
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return BACME.orders.check({ orderUrl: info.orderUrl });
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}).then(function (reply) {
if ('processing' === reply) {
return checkCert();
}
return reply;
});
}
return checkCert();
}).then(function (reply) {
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return BACME.orders.receive({ certificateUrl: reply.certificate });
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}).then(function (certs) {
console.log('WINNING!');
console.log(certs);
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$qs('.js-fullchain').value = certs;
// https://stackoverflow.com/questions/40314257/export-webcrypto-key-to-pem-format
function spkiToPEM(keydata){
var keydataS = arrayBufferToString(keydata);
var keydataB64 = window.btoa(keydataS);
var keydataB64Pem = formatAsPem(keydataB64);
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) {
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;
}
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);
$qs('.js-privkey').value = pem;
steps[i]();
}).catch(function(err){
console.error(err);
});
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});
});
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};
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steps[5] = function () {
hideForms();
$qs('.js-acme-form-download').hidden = false;
}
steps[1]();
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$qs('body').hidden = false;
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}());