acme.js-ARCHIVED/node.js

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/*!
* acme-v2.js
* Copyright(c) 2018 AJ ONeal <aj@ppl.family> https://ppl.family
* Apache-2.0 OR MIT (and hence also MPL 2.0)
*/
'use strict';
var defaults = {
productionServerUrl: 'https://acme-v02.api.letsencrypt.org/directory'
, stagingServerUrl: 'https://acme-staging-v02.api.letsencrypt.org/directory'
, acmeChallengePrefix: '/.well-known/acme-challenge/'
, knownEndpoints: [ 'keyChange', 'meta', 'newAccount', 'newNonce', 'newOrder', 'revokeCert' ]
, challengeType: 'http-01' // dns-01
, keyType: 'rsa' // ecdsa
, keySize: 2048 // 256
};
function create(deps) {
if (!deps) { deps = {}; }
deps.LeCore = {};
deps.pkg = deps.pkg || require('./package.json');
deps.os = deps.os || require('os');
deps.process = deps.process || require('process');
var uaDefaults = {
pkg: "Greenlock/" + deps.pkg.version
, os: " (" + deps.os.type() + "; " + deps.process.arch + " " + deps.os.platform() + " " + deps.os.release() + ")"
, node: " Node.js/" + deps.process.version
, user: ''
};
//var currentUAProps;
function getUaString() {
var userAgent = '';
//Object.keys(currentUAProps)
Object.keys(uaDefaults).forEach(function (key) {
userAgent += uaDefaults[key];
//userAgent += currentUAProps[key];
});
return userAgent.trim();
}
function getRequest(opts) {
if (!opts) { opts = {}; }
return deps.request.defaults({
headers: {
'User-Agent': opts.userAgent || getUaString()
}
});
}
deps.request = deps.request || require('request');
deps.promisify = deps.promisify || require('util').promisify;
var directoryUrl = deps.directoryUrl || defaults.stagingServerUrl;
var request = deps.promisify(getRequest({}));
var crypto = require('crypto');
RSA.signJws = RSA.generateJws = RSA.generateSignatureJws = RSA.generateSignatureJwk =
function (keypair, payload, nonce) {
var prot = {};
if (nonce) {
if ('string' === typeof nonce) {
prot.nonce = nonce;
} else {
prot = nonce;
}
}
keypair = RSA._internal.import(keypair);
keypair = RSA._internal.importForge(keypair);
keypair.publicKeyJwk = RSA.exportPublicJwk(keypair);
// Compute JWS signature
var protectedHeader = "";
if (Object.keys(prot).length) {
protectedHeader = JSON.stringify(prot); // { alg: prot.alg, nonce: prot.nonce, url: prot.url });
}
var protected64 = RSA.utils.toWebsafeBase64(new Buffer(protectedHeader).toString('base64'));
var payload64 = RSA.utils.toWebsafeBase64(payload.toString('base64'));
var raw = protected64 + "." + payload64;
var sha256Buf = crypto.createHash('sha256').update(raw).digest();
var sig64;
if (RSA._URSA) {
sig64 = RSA._ursaGenerateSig(keypair, sha256Buf);
} else {
sig64 = RSA._forgeGenerateSig(keypair, sha256Buf);
}
return {
/*
header: {
alg: "RS256"
, jwk: keypair.publicKeyJwk
}
*/
protected: protected64
, payload: payload64
, signature: sig64
};
};
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var acme2 = {
getAcmeUrls: function () {
var me = this;
return request({ url: directoryUrl }).then(function (resp) {
me._directoryUrls = JSON.parse(resp.body);
me._tos = me._directoryUrls.meta.termsOfService;
return me._directoryUrls;
});
}
, getNonce: function () {
var me = this;
return request({ method: 'HEAD', url: me._directoryUrls.newNonce }).then(function (resp) {
me._nonce = resp.toJSON().headers['replay-nonce'];
return me._nonce;
});
}
// ACME RFC Section 7.3 Account Creation
/*
{
"protected": base64url({
"alg": "ES256",
"jwk": {...},
"nonce": "6S8IqOGY7eL2lsGoTZYifg",
"url": "https://example.com/acme/new-account"
}),
"payload": base64url({
"termsOfServiceAgreed": true,
"onlyReturnExisting": false,
"contact": [
"mailto:cert-admin@example.com",
"mailto:admin@example.com"
]
}),
"signature": "RZPOnYoPs1PhjszF...-nh6X1qtOFPB519I"
}
*/
, registerNewAccount: function (options) {
var me = this;
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var body = {
termsOfServiceAgreed: true
, onlyReturnExisting: false
, contact: [ 'mailto:' + options.email ]
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/*
"externalAccountBinding": {
"protected": base64url({
"alg": "HS256",
"kid": /* key identifier from CA *//*,
"url": "https://example.com/acme/new-account"
}),
"payload": base64url(/* same as in "jwk" above *//*),
"signature": /* MAC using MAC key from CA *//*
}
*/
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};
var payload = JSON.stringify(body, null, 2);
var jws = RSA.signJws(
options.keypair
, new Buffer(payload)
, { nonce: me._nonce, alg: 'RS256', url: me._directoryUrls.newAccount, jwk: RSA.exportPublicJwk(options.keypair) }
);
console.log('jws:');
console.log(jws);
return request({
method: 'POST'
, url: me._directoryUrls.newAccount
, headers: { 'Content-Type': 'application/jose+json' }
, json: jws
}).then(function (resp) {
me._nonce = resp.toJSON().headers['replay-nonce'];
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var location = resp.toJSON().headers['location'];
console.log(location); // the account id url
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console.log(resp.toJSON());
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me._kid = location;
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return resp.body;
});
}
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/*
POST /acme/new-order HTTP/1.1
Host: example.com
Content-Type: application/jose+json
{
"protected": base64url({
"alg": "ES256",
"kid": "https://example.com/acme/acct/1",
"nonce": "5XJ1L3lEkMG7tR6pA00clA",
"url": "https://example.com/acme/new-order"
}),
"payload": base64url({
"identifiers": [{"type:"dns","value":"example.com"}],
"notBefore": "2016-01-01T00:00:00Z",
"notAfter": "2016-01-08T00:00:00Z"
}),
"signature": "H6ZXtGjTZyUnPeKn...wEA4TklBdh3e454g"
}
*/
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, _getChallenges: function (options, auth) {
console.log('\n[DEBUG] getChallenges\n');
return request({ method: 'GET', url: auth, json: true }).then(function (resp) {
console.log('Authorization:');
console.log(resp.body.challenges);
return resp.body.challenges;
});
}
// https://tools.ietf.org/html/draft-ietf-acme-acme-10#section-7.5.1
, _postChallenge: function (options, ch) {
var me = this;
var body = { };
var payload = JSON.stringify(body);
//var payload = JSON.stringify(body, null, 2);
var jws = RSA.signJws(
options.keypair
, new Buffer(payload)
, { nonce: me._nonce, alg: 'RS256', url: ch.url, kid: me._kid }
);
var thumbprint = RSA.thumbprint(options.keypair);
var keyAuthorization = ch.token + '.' + thumbprint;
// keyAuthorization = token || '.' || base64url(JWK_Thumbprint(accountKey))
// /.well-known/acme-challenge/:token
console.log('type:');
console.log(ch.type);
console.log('ch.token:');
console.log(ch.token);
console.log('thumbprint:');
console.log(thumbprint);
console.log('keyAuthorization:');
console.log(keyAuthorization);
/*
options.setChallenge(ch.token, thumbprint, keyAuthorization, function (err) {
});
*/
function wait(ms) {
return new Promise(function (resolve) {
setTimeout(resolve, (ms || 1100));
});
}
function pollStatus() {
console.log('\n[DEBUG] statusChallenge\n');
return request({ method: 'GET', url: ch.url, json: true }).then(function (resp) {
console.error('poll: resp.body:');
console.error(resp.body);
if ('pending' === resp.body.status) {
console.log('poll: again');
return wait().then(pollStatus);
}
if ('valid' === resp.body.status) {
console.log('poll: valid');
return resp.body;
}
if (!resp.body.status) {
console.error("[acme-v2] (y) bad challenge state:");
}
else if ('invalid' === resp.body.status) {
console.error("[acme-v2] (x) invalid challenge state:");
}
else {
console.error("[acme-v2] (z) bad challenge state:");
}
});
}
console.log('\n[DEBUG] postChallenge\n');
//console.log('\n[DEBUG] stop to fix things\n'); return;
function post() {
return request({
method: 'POST'
, url: ch.url
, headers: { 'Content-Type': 'application/jose+json' }
, json: jws
}).then(function (resp) {
me._nonce = resp.toJSON().headers['replay-nonce'];
console.log('respond to challenge: resp.body:');
console.log(resp.body);
return wait().then(pollStatus);
});
}
return wait(20 * 1000).then(post);
}
, _finalizeOrder: function (options, validatedDomains) {
console.log('finalizeOrder:');
var me = this;
var csr = RSA.generateCsrWeb64(options.certificateKeypair, validatedDomains);
var body = { csr: csr };
var payload = JSON.stringify(body);
function wait(ms) {
return new Promise(function (resolve) {
setTimeout(resolve, (ms || 1100));
});
}
function pollCert() {
//var payload = JSON.stringify(body, null, 2);
var jws = RSA.signJws(
options.keypair
, new Buffer(payload)
, { nonce: me._nonce, alg: 'RS256', url: me._finalize, kid: me._kid }
);
console.log('finalize:', me._finalize);
return request({
method: 'POST'
, url: me._finalize
, headers: { 'Content-Type': 'application/jose+json' }
, json: jws
}).then(function (resp) {
me._nonce = resp.toJSON().headers['replay-nonce'];
console.log('order finalized: resp.body:');
console.log(resp.body);
if ('processing' === resp.body.status) {
return wait().then(pollCert);
}
if ('valid' === resp.body.status) {
me._expires = resp.body.expires;
me._certificate = resp.body.certificate;
return resp.body;
}
if ('invalid' === resp.body.status) {
console.error('cannot finalize: badness');
return;
}
console.error('(x) cannot finalize: badness');
return;
});
}
return pollCert();
}
, _getCertificate: function (auth) {
var me = this;
return request({ method: 'GET', url: me._certificate, json: true }).then(function (resp) {
console.log('Certificate:');
console.log(resp.body);
return resp.body;
});
}
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, getCertificate: function (options, cb) {
var me = this;
var body = {
identifiers: [
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{ type: "dns" , value: "test.ppl.family" }
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/*
, { type: "dns" , value: "example.net" }
*/
]
//, "notBefore": "2016-01-01T00:00:00Z"
//, "notAfter": "2016-01-08T00:00:00Z"
};
var payload = JSON.stringify(body);
//var payload = JSON.stringify(body, null, 2);
var jws = RSA.signJws(
options.keypair
, new Buffer(payload)
, { nonce: me._nonce, alg: 'RS256', url: me._directoryUrls.newOrder, kid: me._kid }
);
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console.log('\n[DEBUG] newOrder\n');
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return request({
method: 'POST'
, url: me._directoryUrls.newOrder
, headers: { 'Content-Type': 'application/jose+json' }
, json: jws
}).then(function (resp) {
me._nonce = resp.toJSON().headers['replay-nonce'];
var location = resp.toJSON().headers['location'];
console.log(location); // the account id url
console.log(resp.toJSON());
//var body = JSON.parse(resp.body);
me._authorizations = resp.body.authorizations;
me._order = location;
me._finalize = resp.body.finalize;
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//console.log('[DEBUG] finalize:', me._finalize); return;
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//return resp.body;
return Promise.all(me._authorizations.map(function (auth) {
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console.log('authz', auth);
return me._getChallenges(options, auth).then(function (challenges) {
var chp;
challenges.forEach(function (ch) {
if ('http-01' !== ch.type) {
return;
}
chp = me._postChallenge(options, ch);
});
return chp;
});
})).then(function () {
var validatedDomains = body.identifiers.map(function (ident) {
return ident.value;
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});
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return me._finalizeOrder(options, validatedDomains);
}).then(function () {
return me._getCertificate();
});
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});
}
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};
return acme2;
}
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var RSA = require('rsa-compat').RSA;
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var acme2 = create();
acme2.getAcmeUrls().then(function (body) {
console.log(body);
acme2.getNonce().then(function (nonce) {
console.log(nonce);
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var options = {
email: 'coolaj86@gmail.com'
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, keypair: RSA.import({ privateKeyPem: require('fs').readFileSync(__dirname + '/account.privkey.pem') })
, certificateKeypair: RSA.import({ privateKeyPem: require('fs').readFileSync(__dirname + '/privkey.pem') })
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};
acme2.registerNewAccount(options).then(function (account) {
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console.log(account);
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acme2.getCertificate(options, function () {
console.log('got cert');
});
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});
});
});