forked from root/acme.js
begin node -> browser conversion
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@ -51,6 +51,7 @@
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<script src="./lib/ecdsa.js"></script>
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<script src="./lib/rsa.js"></script>
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<script src="./lib/keypairs.js"></script>
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<script src="./lib/acme.js"></script>
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<script src="./app.js"></script>
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</body>
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</html>
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935
lib/acme.js
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935
lib/acme.js
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@ -0,0 +1,935 @@
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// Copyright 2018-present AJ ONeal. All rights reserved
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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(function (exports) {
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'use strict';
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/* globals Promise */
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var ACME = exports.ACME = {};
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var Enc = exports.Enc || {};
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var Crypto = exports.Crypto || {};
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ACME.formatPemChain = function formatPemChain(str) {
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return str.trim().replace(/[\r\n]+/g, '\n').replace(/\-\n\-/g, '-\n\n-') + '\n';
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};
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ACME.splitPemChain = function splitPemChain(str) {
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return str.trim().split(/[\r\n]{2,}/g).map(function (str) {
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return str + '\n';
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});
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};
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// http-01: GET https://example.org/.well-known/acme-challenge/{{token}} => {{keyAuth}}
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// dns-01: TXT _acme-challenge.example.org. => "{{urlSafeBase64(sha256(keyAuth))}}"
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ACME.challengePrefixes = {
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'http-01': '/.well-known/acme-challenge'
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, 'dns-01': '_acme-challenge'
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};
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ACME.challengeTests = {
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'http-01': function (me, auth) {
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var url = 'http://' + auth.hostname + ACME.challengePrefixes['http-01'] + '/' + auth.token;
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return me._request({ method: 'GET', url: url }).then(function (resp) {
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var err;
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// TODO limit the number of bytes that are allowed to be downloaded
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if (auth.keyAuthorization === resp.body.toString('utf8').trim()) {
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return true;
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}
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err = new Error(
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"Error: Failed HTTP-01 Pre-Flight / Dry Run.\n"
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+ "curl '" + url + "'\n"
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+ "Expected: '" + auth.keyAuthorization + "'\n"
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+ "Got: '" + resp.body + "'\n"
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+ "See https://git.coolaj86.com/coolaj86/acme-v2.js/issues/4"
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);
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err.code = 'E_FAIL_DRY_CHALLENGE';
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return Promise.reject(err);
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});
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}
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, 'dns-01': function (me, auth) {
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// remove leading *. on wildcard domains
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return me.dig({
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type: 'TXT'
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, name: auth.dnsHost
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}).then(function (ans) {
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var err;
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if (ans.answer.some(function (txt) {
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return auth.dnsAuthorization === txt.data[0];
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})) {
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return true;
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}
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err = new Error(
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"Error: Failed DNS-01 Pre-Flight Dry Run.\n"
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+ "dig TXT '" + auth.dnsHost + "' does not return '" + auth.dnsAuthorization + "'\n"
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+ "See https://git.coolaj86.com/coolaj86/acme-v2.js/issues/4"
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);
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err.code = 'E_FAIL_DRY_CHALLENGE';
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return Promise.reject(err);
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});
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}
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};
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ACME._directory = function (me) {
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// GET-as-GET ok
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return me._request({ method: 'GET', url: me.directoryUrl, json: true });
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};
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ACME._getNonce = function (me) {
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// GET-as-GET, HEAD-as-HEAD ok
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if (me._nonce) { return new Promise(function (resolve) { resolve(me._nonce); return; }); }
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return me._request({ method: 'HEAD', url: me._directoryUrls.newNonce }).then(function (resp) {
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me._nonce = resp.toJSON().headers['replay-nonce'];
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return me._nonce;
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});
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};
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// ACME RFC Section 7.3 Account Creation
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/*
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{
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"protected": base64url({
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"alg": "ES256",
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"jwk": {...},
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"nonce": "6S8IqOGY7eL2lsGoTZYifg",
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"url": "https://example.com/acme/new-account"
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}),
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"payload": base64url({
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"termsOfServiceAgreed": true,
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"onlyReturnExisting": false,
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"contact": [
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"mailto:cert-admin@example.com",
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"mailto:admin@example.com"
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]
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}),
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"signature": "RZPOnYoPs1PhjszF...-nh6X1qtOFPB519I"
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}
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*/
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ACME._registerAccount = function (me, options) {
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if (me.debug) { console.debug('[acme-v2] accounts.create'); }
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return ACME._getNonce(me).then(function () {
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return new Promise(function (resolve, reject) {
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function agree(tosUrl) {
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var err;
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if (me._tos !== tosUrl) {
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err = new Error("You must agree to the ToS at '" + me._tos + "'");
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err.code = "E_AGREE_TOS";
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reject(err);
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return;
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}
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var jwk = me.RSA.exportPublicJwk(options.accountKeypair);
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var contact;
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if (options.contact) {
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contact = options.contact.slice(0);
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} else if (options.email) {
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contact = [ 'mailto:' + options.email ];
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}
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var body = {
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termsOfServiceAgreed: tosUrl === me._tos
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, onlyReturnExisting: false
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, contact: contact
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};
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if (options.externalAccount) {
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// TODO is this really done by HMAC or is it arbitrary?
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body.externalAccountBinding = me.RSA.signJws(
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options.externalAccount.secret
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, undefined
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, { alg: "HS256"
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, kid: options.externalAccount.id
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, url: me._directoryUrls.newAccount
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}
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, Buffer.from(JSON.stringify(jwk))
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);
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}
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var payload = JSON.stringify(body);
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var jws = me.RSA.signJws(
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options.accountKeypair
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, undefined
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, { nonce: me._nonce
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, alg: (me._alg || 'RS256')
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, url: me._directoryUrls.newAccount
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, jwk: jwk
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}
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, Buffer.from(payload)
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);
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delete jws.header;
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if (me.debug) { console.debug('[acme-v2] accounts.create JSON body:'); }
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if (me.debug) { console.debug(jws); }
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me._nonce = null;
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return me._request({
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method: 'POST'
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, url: me._directoryUrls.newAccount
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, headers: { 'Content-Type': 'application/jose+json' }
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, json: jws
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}).then(function (resp) {
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var account = resp.body;
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if (2 !== Math.floor(resp.statusCode / 100)) {
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throw new Error('account error: ' + JSON.stringify(body));
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}
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me._nonce = resp.toJSON().headers['replay-nonce'];
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var location = resp.toJSON().headers.location;
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// the account id url
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me._kid = location;
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if (me.debug) { console.debug('[DEBUG] new account location:'); }
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if (me.debug) { console.debug(location); }
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if (me.debug) { console.debug(resp.toJSON()); }
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/*
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{
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contact: ["mailto:jon@example.com"],
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orders: "https://some-url",
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status: 'valid'
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}
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*/
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if (!account) { account = { _emptyResponse: true, key: {} }; }
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// https://git.coolaj86.com/coolaj86/acme-v2.js/issues/8
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if (!account.key) { account.key = {}; }
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account.key.kid = me._kid;
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return account;
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}).then(resolve, reject);
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}
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if (me.debug) { console.debug('[acme-v2] agreeToTerms'); }
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if (1 === options.agreeToTerms.length) {
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// newer promise API
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return options.agreeToTerms(me._tos).then(agree, reject);
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}
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else if (2 === options.agreeToTerms.length) {
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// backwards compat cb API
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return options.agreeToTerms(me._tos, function (err, tosUrl) {
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if (!err) { agree(tosUrl); return; }
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reject(err);
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});
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}
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else {
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reject(new Error('agreeToTerms has incorrect function signature.'
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+ ' Should be fn(tos) { return Promise<tos>; }'));
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}
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});
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});
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};
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/*
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POST /acme/new-order HTTP/1.1
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Host: example.com
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Content-Type: application/jose+json
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{
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"protected": base64url({
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"alg": "ES256",
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"kid": "https://example.com/acme/acct/1",
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"nonce": "5XJ1L3lEkMG7tR6pA00clA",
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"url": "https://example.com/acme/new-order"
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}),
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"payload": base64url({
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"identifiers": [{"type:"dns","value":"example.com"}],
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"notBefore": "2016-01-01T00:00:00Z",
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"notAfter": "2016-01-08T00:00:00Z"
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}),
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"signature": "H6ZXtGjTZyUnPeKn...wEA4TklBdh3e454g"
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}
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*/
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ACME._getChallenges = function (me, options, auth) {
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if (me.debug) { console.debug('\n[DEBUG] getChallenges\n'); }
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// TODO POST-as-GET
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return me._request({ method: 'GET', url: auth, json: true }).then(function (resp) {
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return resp.body;
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});
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};
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ACME._wait = function wait(ms) {
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return new Promise(function (resolve) {
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setTimeout(resolve, (ms || 1100));
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});
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};
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ACME._testChallengeOptions = function () {
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var chToken = ACME._prnd(16);
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return [
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{
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"type": "http-01",
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"status": "pending",
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"url": "https://acme-staging-v02.example.com/0",
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"token": "test-" + chToken + "-0"
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}
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, {
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"type": "dns-01",
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"status": "pending",
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"url": "https://acme-staging-v02.example.com/1",
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"token": "test-" + chToken + "-1",
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"_wildcard": true
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}
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, {
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"type": "tls-sni-01",
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"status": "pending",
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"url": "https://acme-staging-v02.example.com/2",
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"token": "test-" + chToken + "-2"
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}
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, {
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"type": "tls-alpn-01",
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"status": "pending",
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"url": "https://acme-staging-v02.example.com/3",
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"token": "test-" + chToken + "-3"
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}
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];
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};
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ACME._testChallenges = function (me, options) {
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if (me.skipChallengeTest) {
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return Promise.resolve();
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}
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var CHECK_DELAY = 0;
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return Promise.all(options.domains.map(function (identifierValue) {
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// TODO we really only need one to pass, not all to pass
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var challenges = ACME._testChallengeOptions();
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if (identifierValue.includes("*")) {
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challenges = challenges.filter(function (ch) { return ch._wildcard; });
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}
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var challenge = ACME._chooseChallenge(options, { challenges: challenges });
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if (!challenge) {
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// For example, wildcards require dns-01 and, if we don't have that, we have to bail
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var enabled = options.challengeTypes.join(', ') || 'none';
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var suitable = challenges.map(function (r) { return r.type; }).join(', ') || 'none';
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return Promise.reject(new Error(
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"None of the challenge types that you've enabled ( " + enabled + " )"
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+ " are suitable for validating the domain you've selected (" + identifierValue + ")."
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+ " You must enable one of ( " + suitable + " )."
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));
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}
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if ('dns-01' === challenge.type) {
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// Give the nameservers a moment to propagate
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CHECK_DELAY = 1.5 * 1000;
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}
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return Promise.resolve().then(function () {
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var results = {
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identifier: {
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type: "dns"
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, value: identifierValue.replace(/^\*\./, '')
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}
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, challenges: [ challenge ]
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, expires: new Date(Date.now() + (60 * 1000)).toISOString()
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, wildcard: identifierValue.includes('*.') || undefined
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};
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var dryrun = true;
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var auth = ACME._challengeToAuth(me, options, results, challenge, dryrun);
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return ACME._setChallenge(me, options, auth).then(function () {
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return auth;
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});
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});
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})).then(function (auths) {
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return ACME._wait(CHECK_DELAY).then(function () {
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return Promise.all(auths.map(function (auth) {
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return ACME.challengeTests[auth.type](me, auth);
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}));
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});
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});
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};
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ACME._chooseChallenge = function(options, results) {
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// For each of the challenge types that we support
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var challenge;
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options.challengeTypes.some(function (chType) {
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// And for each of the challenge types that are allowed
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return results.challenges.some(function (ch) {
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// Check to see if there are any matches
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if (ch.type === chType) {
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challenge = ch;
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return true;
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}
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});
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});
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return challenge;
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};
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ACME._challengeToAuth = function (me, options, request, challenge, dryrun) {
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// we don't poison the dns cache with our dummy request
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var dnsPrefix = ACME.challengePrefixes['dns-01'];
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if (dryrun) {
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dnsPrefix = dnsPrefix.replace('acme-challenge', 'greenlock-dryrun-' + ACME._prnd(4));
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}
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var auth = {};
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// straight copy from the new order response
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// { identifier, status, expires, challenges, wildcard }
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Object.keys(request).forEach(function (key) {
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auth[key] = request[key];
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});
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// copy from the challenge we've chosen
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// { type, status, url, token }
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// (note the duplicate status overwrites the one above, but they should be the same)
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Object.keys(challenge).forEach(function (key) {
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// don't confused devs with the id url
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auth[key] = challenge[key];
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});
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// batteries-included helpers
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auth.hostname = auth.identifier.value;
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// because I'm not 100% clear if the wildcard identifier does or doesn't have the leading *. in all cases
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auth.altname = ACME._untame(auth.identifier.value, auth.wildcard);
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auth.thumbprint = me.RSA.thumbprint(options.accountKeypair);
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// keyAuthorization = token || '.' || base64url(JWK_Thumbprint(accountKey))
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auth.keyAuthorization = challenge.token + '.' + auth.thumbprint;
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// conflicts with ACME challenge id url is already in use, so we call this challengeUrl instead
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auth.challengeUrl = 'http://' + auth.identifier.value + ACME.challengePrefixes['http-01'] + '/' + auth.token;
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auth.dnsHost = dnsPrefix + '.' + auth.hostname.replace('*.', '');
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return Crypto._sha('sha256', auth.keyAuthorization).then(function (hash) {
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auth.dnsAuthorization = hash;
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return auth;
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});
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};
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ACME._untame = function (name, wild) {
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if (wild) { name = '*.' + name.replace('*.', ''); }
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return name;
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};
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// https://tools.ietf.org/html/draft-ietf-acme-acme-10#section-7.5.1
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ACME._postChallenge = function (me, options, auth) {
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var RETRY_INTERVAL = me.retryInterval || 1000;
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var DEAUTH_INTERVAL = me.deauthWait || 10 * 1000;
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var MAX_POLL = me.retryPoll || 8;
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var MAX_PEND = me.retryPending || 4;
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var count = 0;
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var altname = ACME._untame(auth.identifier.value, auth.wildcard);
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/*
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POST /acme/authz/1234 HTTP/1.1
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Host: example.com
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Content-Type: application/jose+json
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{
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"protected": base64url({
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"alg": "ES256",
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"kid": "https://example.com/acme/acct/1",
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"nonce": "xWCM9lGbIyCgue8di6ueWQ",
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"url": "https://example.com/acme/authz/1234"
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}),
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"payload": base64url({
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"status": "deactivated"
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}),
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"signature": "srX9Ji7Le9bjszhu...WTFdtujObzMtZcx4"
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}
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*/
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function deactivate() {
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var jws = me.RSA.signJws(
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options.accountKeypair
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, undefined
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, { nonce: me._nonce, alg: (me._alg || 'RS256'), url: auth.url, kid: me._kid }
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, Buffer.from(JSON.stringify({ "status": "deactivated" }))
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);
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me._nonce = null;
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return me._request({
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method: 'POST'
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, url: auth.url
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, headers: { 'Content-Type': 'application/jose+json' }
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, json: jws
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}).then(function (resp) {
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if (me.debug) { console.debug('[acme-v2.js] deactivate:'); }
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if (me.debug) { console.debug(resp.headers); }
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if (me.debug) { console.debug(resp.body); }
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if (me.debug) { console.debug(); }
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|
||||
me._nonce = resp.toJSON().headers['replay-nonce'];
|
||||
if (me.debug) { console.debug('deactivate challenge: resp.body:'); }
|
||||
if (me.debug) { console.debug(resp.body); }
|
||||
return ACME._wait(DEAUTH_INTERVAL);
|
||||
});
|
||||
}
|
||||
|
||||
function pollStatus() {
|
||||
if (count >= MAX_POLL) {
|
||||
return Promise.reject(new Error(
|
||||
"[acme-v2] stuck in bad pending/processing state for '" + altname + "'"
|
||||
));
|
||||
}
|
||||
|
||||
count += 1;
|
||||
|
||||
if (me.debug) { console.debug('\n[DEBUG] statusChallenge\n'); }
|
||||
// TODO POST-as-GET
|
||||
return me._request({ method: 'GET', url: auth.url, json: true }).then(function (resp) {
|
||||
if ('processing' === resp.body.status) {
|
||||
if (me.debug) { console.debug('poll: again'); }
|
||||
return ACME._wait(RETRY_INTERVAL).then(pollStatus);
|
||||
}
|
||||
|
||||
// This state should never occur
|
||||
if ('pending' === resp.body.status) {
|
||||
if (count >= MAX_PEND) {
|
||||
return ACME._wait(RETRY_INTERVAL).then(deactivate).then(respondToChallenge);
|
||||
}
|
||||
if (me.debug) { console.debug('poll: again'); }
|
||||
return ACME._wait(RETRY_INTERVAL).then(respondToChallenge);
|
||||
}
|
||||
|
||||
if ('valid' === resp.body.status) {
|
||||
if (me.debug) { console.debug('poll: valid'); }
|
||||
|
||||
try {
|
||||
if (1 === options.removeChallenge.length) {
|
||||
options.removeChallenge(auth).then(function () {}, function () {});
|
||||
} else if (2 === options.removeChallenge.length) {
|
||||
options.removeChallenge(auth, function (err) { return err; });
|
||||
} else {
|
||||
if (!ACME._removeChallengeWarn) {
|
||||
console.warn("Please update to acme-v2 removeChallenge(options) <Promise> or removeChallenge(options, cb).");
|
||||
console.warn("The API has been changed for compatibility with all ACME / Let's Encrypt challenge types.");
|
||||
ACME._removeChallengeWarn = true;
|
||||
}
|
||||
options.removeChallenge(auth.request.identifier, auth.token, function () {});
|
||||
}
|
||||
} catch(e) {}
|
||||
return resp.body;
|
||||
}
|
||||
|
||||
var errmsg;
|
||||
if (!resp.body.status) {
|
||||
errmsg = "[acme-v2] (E_STATE_EMPTY) empty challenge state for '" + altname + "':";
|
||||
}
|
||||
else if ('invalid' === resp.body.status) {
|
||||
errmsg = "[acme-v2] (E_STATE_INVALID) challenge state for '" + altname + "': '" + resp.body.status + "'";
|
||||
}
|
||||
else {
|
||||
errmsg = "[acme-v2] (E_STATE_UKN) challenge state for '" + altname + "': '" + resp.body.status + "'";
|
||||
}
|
||||
|
||||
return Promise.reject(new Error(errmsg));
|
||||
});
|
||||
}
|
||||
|
||||
function respondToChallenge() {
|
||||
var jws = me.RSA.signJws(
|
||||
options.accountKeypair
|
||||
, undefined
|
||||
, { nonce: me._nonce, alg: (me._alg || 'RS256'), url: auth.url, kid: me._kid }
|
||||
, Buffer.from(JSON.stringify({ }))
|
||||
);
|
||||
me._nonce = null;
|
||||
return me._request({
|
||||
method: 'POST'
|
||||
, url: auth.url
|
||||
, headers: { 'Content-Type': 'application/jose+json' }
|
||||
, json: jws
|
||||
}).then(function (resp) {
|
||||
if (me.debug) { console.debug('[acme-v2.js] challenge accepted!'); }
|
||||
if (me.debug) { console.debug(resp.headers); }
|
||||
if (me.debug) { console.debug(resp.body); }
|
||||
if (me.debug) { console.debug(); }
|
||||
|
||||
me._nonce = resp.toJSON().headers['replay-nonce'];
|
||||
if (me.debug) { console.debug('respond to challenge: resp.body:'); }
|
||||
if (me.debug) { console.debug(resp.body); }
|
||||
return ACME._wait(RETRY_INTERVAL).then(pollStatus);
|
||||
});
|
||||
}
|
||||
|
||||
return respondToChallenge();
|
||||
};
|
||||
ACME._setChallenge = function (me, options, auth) {
|
||||
return new Promise(function (resolve, reject) {
|
||||
try {
|
||||
if (1 === options.setChallenge.length) {
|
||||
options.setChallenge(auth).then(resolve).catch(reject);
|
||||
} else if (2 === options.setChallenge.length) {
|
||||
options.setChallenge(auth, function (err) {
|
||||
if(err) { reject(err); } else { resolve(); }
|
||||
});
|
||||
} else {
|
||||
var challengeCb = function(err) {
|
||||
if(err) { reject(err); } else { resolve(); }
|
||||
};
|
||||
// for backwards compat adding extra keys without changing params length
|
||||
Object.keys(auth).forEach(function (key) {
|
||||
challengeCb[key] = auth[key];
|
||||
});
|
||||
if (!ACME._setChallengeWarn) {
|
||||
console.warn("Please update to acme-v2 setChallenge(options) <Promise> or setChallenge(options, cb).");
|
||||
console.warn("The API has been changed for compatibility with all ACME / Let's Encrypt challenge types.");
|
||||
ACME._setChallengeWarn = true;
|
||||
}
|
||||
options.setChallenge(auth.identifier.value, auth.token, auth.keyAuthorization, challengeCb);
|
||||
}
|
||||
} catch(e) {
|
||||
reject(e);
|
||||
}
|
||||
}).then(function () {
|
||||
// TODO: Do we still need this delay? Or shall we leave it to plugins to account for themselves?
|
||||
var DELAY = me.setChallengeWait || 500;
|
||||
if (me.debug) { console.debug('\n[DEBUG] waitChallengeDelay %s\n', DELAY); }
|
||||
return ACME._wait(DELAY);
|
||||
});
|
||||
};
|
||||
ACME._finalizeOrder = function (me, options, validatedDomains) {
|
||||
if (me.debug) { console.debug('finalizeOrder:'); }
|
||||
var csr = me.RSA.generateCsrWeb64(options.domainKeypair, validatedDomains);
|
||||
var body = { csr: csr };
|
||||
var payload = JSON.stringify(body);
|
||||
|
||||
function pollCert() {
|
||||
var jws = me.RSA.signJws(
|
||||
options.accountKeypair
|
||||
, undefined
|
||||
, { nonce: me._nonce, alg: (me._alg || 'RS256'), url: me._finalize, kid: me._kid }
|
||||
, Buffer.from(payload)
|
||||
);
|
||||
|
||||
if (me.debug) { console.debug('finalize:', me._finalize); }
|
||||
me._nonce = null;
|
||||
return me._request({
|
||||
method: 'POST'
|
||||
, url: me._finalize
|
||||
, headers: { 'Content-Type': 'application/jose+json' }
|
||||
, json: jws
|
||||
}).then(function (resp) {
|
||||
// https://tools.ietf.org/html/draft-ietf-acme-acme-12#section-7.1.3
|
||||
// Possible values are: "pending" => ("invalid" || "ready") => "processing" => "valid"
|
||||
me._nonce = resp.toJSON().headers['replay-nonce'];
|
||||
|
||||
if (me.debug) { console.debug('order finalized: resp.body:'); }
|
||||
if (me.debug) { console.debug(resp.body); }
|
||||
|
||||
if ('valid' === resp.body.status) {
|
||||
me._expires = resp.body.expires;
|
||||
me._certificate = resp.body.certificate;
|
||||
|
||||
return resp.body; // return order
|
||||
}
|
||||
|
||||
if ('processing' === resp.body.status) {
|
||||
return ACME._wait().then(pollCert);
|
||||
}
|
||||
|
||||
if (me.debug) { console.debug("Error: bad status:\n" + JSON.stringify(resp.body, null, 2)); }
|
||||
|
||||
if ('pending' === resp.body.status) {
|
||||
return Promise.reject(new Error(
|
||||
"Did not finalize order: status 'pending'."
|
||||
+ " Best guess: You have not accepted at least one challenge for each domain:\n"
|
||||
+ "Requested: '" + options.domains.join(', ') + "'\n"
|
||||
+ "Validated: '" + validatedDomains.join(', ') + "'\n"
|
||||
+ JSON.stringify(resp.body, null, 2)
|
||||
));
|
||||
}
|
||||
|
||||
if ('invalid' === resp.body.status) {
|
||||
return Promise.reject(new Error(
|
||||
"Did not finalize order: status 'invalid'."
|
||||
+ " Best guess: One or more of the domain challenges could not be verified"
|
||||
+ " (or the order was canceled).\n"
|
||||
+ "Requested: '" + options.domains.join(', ') + "'\n"
|
||||
+ "Validated: '" + validatedDomains.join(', ') + "'\n"
|
||||
+ JSON.stringify(resp.body, null, 2)
|
||||
));
|
||||
}
|
||||
|
||||
if ('ready' === resp.body.status) {
|
||||
return Promise.reject(new Error(
|
||||
"Did not finalize order: status 'ready'."
|
||||
+ " Hmmm... this state shouldn't be possible here. That was the last state."
|
||||
+ " This one should at least be 'processing'.\n"
|
||||
+ "Requested: '" + options.domains.join(', ') + "'\n"
|
||||
+ "Validated: '" + validatedDomains.join(', ') + "'\n"
|
||||
+ JSON.stringify(resp.body, null, 2) + "\n\n"
|
||||
+ "Please open an issue at https://git.coolaj86.com/coolaj86/acme-v2.js"
|
||||
));
|
||||
}
|
||||
|
||||
return Promise.reject(new Error(
|
||||
"Didn't finalize order: Unhandled status '" + resp.body.status + "'."
|
||||
+ " This is not one of the known statuses...\n"
|
||||
+ "Requested: '" + options.domains.join(', ') + "'\n"
|
||||
+ "Validated: '" + validatedDomains.join(', ') + "'\n"
|
||||
+ JSON.stringify(resp.body, null, 2) + "\n\n"
|
||||
+ "Please open an issue at https://git.coolaj86.com/coolaj86/acme-v2.js"
|
||||
));
|
||||
});
|
||||
}
|
||||
|
||||
return pollCert();
|
||||
};
|
||||
ACME._getCertificate = function (me, options) {
|
||||
if (me.debug) { console.debug('[acme-v2] DEBUG get cert 1'); }
|
||||
|
||||
// Lot's of error checking to inform the user of mistakes
|
||||
if (!(options.challengeTypes||[]).length) {
|
||||
options.challengeTypes = Object.keys(options.challenges||{});
|
||||
}
|
||||
if (!options.challengeTypes.length) {
|
||||
options.challengeTypes = [ options.challengeType ].filter(Boolean);
|
||||
}
|
||||
if (options.challengeType) {
|
||||
options.challengeTypes.sort(function (a, b) {
|
||||
if (a === options.challengeType) { return -1; }
|
||||
if (b === options.challengeType) { return 1; }
|
||||
return 0;
|
||||
});
|
||||
if (options.challengeType !== options.challengeTypes[0]) {
|
||||
return Promise.reject(new Error("options.challengeType is '" + options.challengeType + "',"
|
||||
+ " which does not exist in the supplied types '" + options.challengeTypes.join(',') + "'"));
|
||||
}
|
||||
}
|
||||
// TODO check that all challengeTypes are represented in challenges
|
||||
if (!options.challengeTypes.length) {
|
||||
return Promise.reject(new Error("options.challengeTypes (string array) must be specified"
|
||||
+ " (and in order of preferential priority)."));
|
||||
}
|
||||
if (!(options.domains && options.domains.length)) {
|
||||
return Promise.reject(new Error("options.domains must be a list of string domain names,"
|
||||
+ " with the first being the subject of the domain (or options.subject must specified)."));
|
||||
}
|
||||
|
||||
// It's just fine if there's no account, we'll go get the key id we need via the public key
|
||||
if (!me._kid) {
|
||||
if (options.accountKid || options.account && options.account.kid) {
|
||||
me._kid = options.accountKid || options.account.kid;
|
||||
} else {
|
||||
//return Promise.reject(new Error("must include KeyID"));
|
||||
// This is an idempotent request. It'll return the same account for the same public key.
|
||||
return ACME._registerAccount(me, options).then(function () {
|
||||
// start back from the top
|
||||
return ACME._getCertificate(me, options);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// Do a little dry-run / self-test
|
||||
return ACME._testChallenges(me, options).then(function () {
|
||||
if (me.debug) { console.debug('[acme-v2] certificates.create'); }
|
||||
return ACME._getNonce(me).then(function () {
|
||||
var body = {
|
||||
// raw wildcard syntax MUST be used here
|
||||
identifiers: options.domains.sort(function (a, b) {
|
||||
// the first in the list will be the subject of the certificate, I believe (and hope)
|
||||
if (!options.subject) { return 0; }
|
||||
if (options.subject === a) { return -1; }
|
||||
if (options.subject === b) { return 1; }
|
||||
return 0;
|
||||
}).map(function (hostname) {
|
||||
return { type: "dns", value: hostname };
|
||||
})
|
||||
//, "notBefore": "2016-01-01T00:00:00Z"
|
||||
//, "notAfter": "2016-01-08T00:00:00Z"
|
||||
};
|
||||
|
||||
var payload = JSON.stringify(body);
|
||||
// determine the signing algorithm to use in protected header // TODO isn't that handled by the signer?
|
||||
me._kty = (options.accountKeypair.privateKeyJwk && options.accountKeypair.privateKeyJwk.kty || 'RSA');
|
||||
me._alg = ('EC' === me._kty) ? 'ES256' : 'RS256'; // TODO vary with bitwidth of key (if not handled)
|
||||
var jws = me.RSA.signJws(
|
||||
options.accountKeypair
|
||||
, undefined
|
||||
, { nonce: me._nonce, alg: me._alg, url: me._directoryUrls.newOrder, kid: me._kid }
|
||||
, Buffer.from(payload, 'utf8')
|
||||
);
|
||||
|
||||
if (me.debug) { console.debug('\n[DEBUG] newOrder\n'); }
|
||||
me._nonce = null;
|
||||
return me._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;
|
||||
var setAuths;
|
||||
var auths = [];
|
||||
if (me.debug) { console.debug(location); } // the account id url
|
||||
if (me.debug) { console.debug(resp.toJSON()); }
|
||||
me._authorizations = resp.body.authorizations;
|
||||
me._order = location;
|
||||
me._finalize = resp.body.finalize;
|
||||
//if (me.debug) console.debug('[DEBUG] finalize:', me._finalize); return;
|
||||
|
||||
if (!me._authorizations) {
|
||||
return Promise.reject(new Error(
|
||||
"[acme-v2.js] authorizations were not fetched for '" + options.domains.join() + "':\n"
|
||||
+ JSON.stringify(resp.body)
|
||||
));
|
||||
}
|
||||
if (me.debug) { console.debug("[acme-v2] POST newOrder has authorizations"); }
|
||||
setAuths = me._authorizations.slice(0);
|
||||
|
||||
function setNext() {
|
||||
var authUrl = setAuths.shift();
|
||||
if (!authUrl) { return; }
|
||||
|
||||
return ACME._getChallenges(me, options, authUrl).then(function (results) {
|
||||
// var domain = options.domains[i]; // results.identifier.value
|
||||
|
||||
// If it's already valid, we're golden it regardless
|
||||
if (results.challenges.some(function (ch) { return 'valid' === ch.status; })) {
|
||||
return setNext();
|
||||
}
|
||||
|
||||
var challenge = ACME._chooseChallenge(options, results);
|
||||
if (!challenge) {
|
||||
// For example, wildcards require dns-01 and, if we don't have that, we have to bail
|
||||
return Promise.reject(new Error(
|
||||
"Server didn't offer any challenge we can handle for '" + options.domains.join() + "'."
|
||||
));
|
||||
}
|
||||
|
||||
return ACME._challengeToAuth(me, options, results, challenge, false).then(function (auth) {
|
||||
auths.push(auth);
|
||||
return ACME._setChallenge(me, options, auth).then(setNext);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function challengeNext() {
|
||||
var auth = auths.shift();
|
||||
if (!auth) { return; }
|
||||
return ACME._postChallenge(me, options, auth).then(challengeNext);
|
||||
}
|
||||
|
||||
// First we set every challenge
|
||||
// Then we ask for each challenge to be checked
|
||||
// Doing otherwise would potentially cause us to poison our own DNS cache with misses
|
||||
return setNext().then(challengeNext).then(function () {
|
||||
if (me.debug) { console.debug("[getCertificate] next.then"); }
|
||||
var validatedDomains = body.identifiers.map(function (ident) {
|
||||
return ident.value;
|
||||
});
|
||||
|
||||
return ACME._finalizeOrder(me, options, validatedDomains);
|
||||
}).then(function (order) {
|
||||
if (me.debug) { console.debug('acme-v2: order was finalized'); }
|
||||
// TODO POST-as-GET
|
||||
return me._request({ method: 'GET', url: me._certificate, json: true }).then(function (resp) {
|
||||
if (me.debug) { console.debug('acme-v2: csr submitted and cert received:'); }
|
||||
// https://github.com/certbot/certbot/issues/5721
|
||||
var certsarr = ACME.splitPemChain(ACME.formatPemChain((resp.body||'')));
|
||||
// cert, chain, fullchain, privkey, /*TODO, subject, altnames, issuedAt, expiresAt */
|
||||
var certs = {
|
||||
expires: order.expires
|
||||
, identifiers: order.identifiers
|
||||
//, authorizations: order.authorizations
|
||||
, cert: certsarr.shift()
|
||||
//, privkey: privkeyPem
|
||||
, chain: certsarr.join('\n')
|
||||
};
|
||||
if (me.debug) { console.debug(certs); }
|
||||
return certs;
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
ACME.create = function create(me) {
|
||||
if (!me) { me = {}; }
|
||||
// me.debug = true;
|
||||
me.challengePrefixes = ACME.challengePrefixes;
|
||||
me.RSA = me.RSA || require('rsa-compat').RSA;
|
||||
//me.Keypairs = me.Keypairs || require('keypairs');
|
||||
me.request = me.request || require('@coolaj86/urequest');
|
||||
if (!me.dig) {
|
||||
me.dig = function (query) {
|
||||
// TODO use digd.js
|
||||
return new Promise(function (resolve, reject) {
|
||||
var dns = require('dns');
|
||||
dns.resolveTxt(query.name, function (err, records) {
|
||||
if (err) { reject(err); return; }
|
||||
|
||||
resolve({
|
||||
answer: records.map(function (rr) {
|
||||
return {
|
||||
data: rr
|
||||
};
|
||||
})
|
||||
});
|
||||
});
|
||||
});
|
||||
};
|
||||
}
|
||||
me.promisify = me.promisify || require('util').promisify /*node v8+*/ || require('bluebird').promisify /*node v6*/;
|
||||
|
||||
|
||||
if ('function' !== typeof me._request) {
|
||||
// MUST have a User-Agent string (see node.js version)
|
||||
me._request = function (opts) {
|
||||
return window.fetch(opts.url, opts).then(function (resp) {
|
||||
return resp.json().then(function (json) {
|
||||
var headers = {};
|
||||
Array.from(resp.headers.entries()).forEach(function (h) { headers[h[0]] = h[1]; });
|
||||
return { headers: headers , body: json };
|
||||
});
|
||||
});
|
||||
};
|
||||
}
|
||||
|
||||
me.init = function (_directoryUrl) {
|
||||
me.directoryUrl = me.directoryUrl || _directoryUrl;
|
||||
return ACME._directory(me).then(function (resp) {
|
||||
me._directoryUrls = resp.body;
|
||||
me._tos = me._directoryUrls.meta.termsOfService;
|
||||
return me._directoryUrls;
|
||||
});
|
||||
};
|
||||
me.accounts = {
|
||||
create: function (options) {
|
||||
return ACME._registerAccount(me, options);
|
||||
}
|
||||
};
|
||||
me.certificates = {
|
||||
create: function (options) {
|
||||
return ACME._getCertificate(me, options);
|
||||
}
|
||||
};
|
||||
return me;
|
||||
};
|
||||
|
||||
ACME._toWebsafeBase64 = function (b64) {
|
||||
return b64.replace(/\+/g, "-").replace(/\//g, "_").replace(/=/g,"");
|
||||
};
|
||||
|
||||
// In v8 this is crypto random, but we're just using it for pseudorandom
|
||||
ACME._prnd = function (n) {
|
||||
var rnd = '';
|
||||
while (rnd.length / 2 < n) {
|
||||
var num = Math.random().toString().substr(2);
|
||||
if (num.length % 2) {
|
||||
num = '0' + num;
|
||||
}
|
||||
var pairs = num.match(/(..?)/g);
|
||||
rnd += pairs.map(ACME._toHex).join('');
|
||||
}
|
||||
return rnd.substr(0, n*2);
|
||||
};
|
||||
ACME._toHex = function (pair) {
|
||||
return parseInt(pair, 10).toString(16);
|
||||
};
|
||||
|
||||
Enc.bufToUrlBase64 = function (u8) {
|
||||
return Enc.bufToBase64(u8)
|
||||
.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
|
||||
};
|
||||
Enc.bufToBase64 = function (u8) {
|
||||
var bin = '';
|
||||
u8.forEach(function (i) {
|
||||
bin += String.fromCharCode(i);
|
||||
});
|
||||
return btoa(bin);
|
||||
};
|
||||
|
||||
Crypto._sha = function (sha, str) {
|
||||
var encoder = new TextEncoder();
|
||||
var data = encoder.encode(str);
|
||||
sha = 'SHA-' + sha.replace(/^sha-?/i, '');
|
||||
return window.crypto.subtle.digest(sha, data).then(function (hash) {
|
||||
return Enc.bufToUrlBase64(new Uint8Array(hash));
|
||||
});
|
||||
};
|
||||
|
||||
}('undefined' === typeof window ? module.exports : window));
|
||||
Loading…
x
Reference in New Issue
Block a user