1673 lines
41 KiB
JavaScript
1673 lines
41 KiB
JavaScript
// 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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'use strict';
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/* globals Promise */
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require('@root/encoding/bytes');
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var Enc = require('@root/encoding/base64');
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var ACME = module.exports;
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//var Keypairs = exports.Keypairs || {};
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//var CSR = exports.CSR;
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var sha2 = require('./node/sha2.js');
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var http = require('./node/http.js');
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ACME.formatPemChain = function formatPemChain(str) {
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return (
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str
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.trim()
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.replace(/[\r\n]+/g, '\n')
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.replace(/\-\n\-/g, '-\n\n-') + '\n'
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);
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};
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ACME.splitPemChain = function splitPemChain(str) {
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return str
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.trim()
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.split(/[\r\n]{2,}/g)
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.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 ch = auth.challenge;
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return me.http01(ch).then(function(keyAuth) {
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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 (ch.keyAuthorization === (keyAuth || '').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 '" +
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ch.challengeUrl +
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"'\n" +
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"Expected: '" +
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ch.keyAuthorization +
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"'\n" +
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"Got: '" +
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keyAuth +
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"'\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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var ch = auth.challenge;
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return me.dns01(ch).then(function(ans) {
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var err;
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if (
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ans.answer.some(function(txt) {
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return ch.dnsAuthorization === txt.data[0];
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})
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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 '" +
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ch.dnsHost +
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"' does not return '" +
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ch.dnsAuthorization +
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"'\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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var nonce;
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while (true) {
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nonce = me._nonces.shift();
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if (!nonce) {
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break;
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}
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if (Date.now() - nonce.createdAt > 15 * 60 * 1000) {
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nonce = null;
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} else {
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break;
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}
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}
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if (nonce) {
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return Promise.resolve(nonce.nonce);
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}
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return me
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.request({ method: 'HEAD', url: me._directoryUrls.newNonce })
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.then(function(resp) {
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return resp.headers['replay-nonce'];
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});
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};
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ACME._setNonce = function(me, nonce) {
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me._nonces.unshift({ nonce: nonce, createdAt: Date.now() });
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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) {
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console.debug('[acme-v2] accounts.create');
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}
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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(
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"You must agree to the ToS at '" + me._tos + "'"
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);
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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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return ACME._importKeypair(me, options.accountKeypair).then(
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function(pair) {
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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.subscriberEmail || options.email) {
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contact = [
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'mailto:' +
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(options.subscriberEmail || options.email)
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];
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}
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var accountRequest = {
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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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var pExt;
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if (options.externalAccount) {
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pExt = me.Keypairs.signJws({
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// TODO is HMAC the standard, or is this arbitrary?
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secret: options.externalAccount.secret,
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protected: {
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alg: options.externalAccount.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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payload: Enc.strToBuf(JSON.stringify(pair.public))
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}).then(function(jws) {
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accountRequest.externalAccountBinding = jws;
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return accountRequest;
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});
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} else {
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pExt = Promise.resolve(accountRequest);
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}
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return pExt.then(function(accountRequest) {
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var payload = JSON.stringify(accountRequest);
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return ACME._jwsRequest(me, {
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options: options,
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url: me._directoryUrls.newAccount,
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protected: { kid: false, jwk: pair.public },
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payload: Enc.strToBuf(payload)
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})
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.then(function(resp) {
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var account = resp.body;
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if (
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resp.statusCode < 200 ||
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resp.statusCode >= 300
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) {
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if ('string' !== typeof account) {
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account = JSON.stringify(account);
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}
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throw new Error(
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'account error: ' +
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resp.statusCode +
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' ' +
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account +
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'\n' +
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JSON.stringify(accountRequest)
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);
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}
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var location = resp.headers.location;
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// the account id url
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options._kid = location;
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if (me.debug) {
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console.debug(
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'[DEBUG] new account location:'
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);
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}
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if (me.debug) {
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console.debug(location);
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}
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if (me.debug) {
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console.debug(resp);
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}
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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) {
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account = { _emptyResponse: true };
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}
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// https://git.coolaj86.com/coolaj86/acme-v2.js/issues/8
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if (!account.key) {
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account.key = {};
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}
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account.key.kid = options._kid;
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return account;
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})
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.then(resolve, reject);
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});
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}
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);
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}
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if (me.debug) {
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console.debug('[acme-v2] agreeToTerms');
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}
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if (1 === options.agreeToTerms.length) {
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// newer promise API
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return Promise.resolve(options.agreeToTerms(me._tos)).then(
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agree,
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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) {
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agree(tosUrl);
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return;
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}
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reject(err);
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});
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} else {
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reject(
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new Error(
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'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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/*
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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, authUrl) {
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if (me.debug) {
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console.debug('\n[DEBUG] getChallenges\n');
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}
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// TODO POST-as-GET
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return ACME._jwsRequest(me, {
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options: options,
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protected: {},
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payload: '',
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url: authUrl
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}).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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var CHECK_DELAY = 0;
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// memoized so that it doesn't run until it's first called
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var getThumbnail = function() {
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var thumbPromise = ACME._importKeypair(me, options.accountKeypair).then(
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function(pair) {
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return me.Keypairs.thumbprint({
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jwk: pair.public
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});
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}
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);
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getThumbnail = function() {
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return thumbPromise;
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};
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return thumbPromise;
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};
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return Promise.all(
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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) {
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return ch._wildcard;
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});
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}
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var challenge = ACME._chooseChallenge(options, {
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challenges: challenges
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});
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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 =
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challenges
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.map(function(r) {
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return r.type;
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})
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.join(', ') || 'none';
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return Promise.reject(
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new Error(
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"None of the challenge types that you've enabled ( " +
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enabled +
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' )' +
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" are suitable for validating the domain you've selected (" +
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identifierValue +
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').' +
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' You must enable one of ( ' +
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suitable +
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' ).'
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)
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);
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}
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// TODO remove skipChallengeTest
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if (me.skipDryRun || me.skipChallengeTest) {
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return null;
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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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// TODO get this value from the plugin
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CHECK_DELAY = 7 * 1000;
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}
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return getThumbnail().then(function(accountKeyThumb) {
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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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// The dry-run comes first in the spirit of "fail fast"
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// (and protecting against challenge failure rate limits)
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var dryrun = true;
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return ACME._challengeToAuth(
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me,
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options,
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accountKeyThumb,
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results,
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challenge,
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dryrun
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).then(function(auth) {
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if (!me._canUse[auth.type]) {
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return;
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}
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return ACME._setChallenge(me, options, auth).then(
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function() {
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return auth;
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}
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);
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});
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});
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})
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).then(function(auths) {
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auths = auths.filter(Boolean);
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if (!auths.length) {
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/*skip actual test*/ return;
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}
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return ACME._wait(CHECK_DELAY).then(function() {
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return Promise.all(
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auths.map(function(auth) {
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return ACME.challengeTests[auth.type](me, auth)
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.then(function(result) {
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// not a blocker
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ACME._removeChallenge(me, options, auth);
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return result;
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})
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.catch(function(err) {
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ACME._removeChallenge(me, options, auth);
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throw err;
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});
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})
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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(
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me,
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options,
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accountKeyThumb,
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request,
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challenge,
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dryrun
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) {
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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(
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'acme-challenge',
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'greenlock-dryrun-' + ACME._prnd(4)
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);
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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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var zone = pluckZone(options.zonenames || [], auth.identifier.value);
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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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// we must accept JWKs that we didn't generate and we can't guarantee
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// that they properly set kid to thumbnail (especially since ACME doesn't do this)
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// so we have to regenerate it every time we need it, which is quite often
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auth.thumbprint = accountKeyThumb;
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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
|
|
// TODO auth.http01Url ?
|
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auth.challengeUrl =
|
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'http://' +
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auth.identifier.value +
|
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ACME.challengePrefixes['http-01'] +
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'/' +
|
|
auth.token;
|
|
auth.dnsHost = dnsPrefix + '.' + auth.hostname.replace('*.', '');
|
|
|
|
// Always calculate dnsAuthorization because we
|
|
// may need to present to the user for confirmation / instruction
|
|
// _as part of_ the decision making process
|
|
return sha2
|
|
.sum(256, auth.keyAuthorization)
|
|
.then(function(hash) {
|
|
return Enc.bufToUrlBase64(new Uint8Array(hash));
|
|
})
|
|
.then(function(hash64) {
|
|
auth.dnsAuthorization = hash64;
|
|
if (zone) {
|
|
auth.dnsZone = zone;
|
|
auth.dnsPrefix = auth.dnsHost
|
|
.replace(newZoneRegExp(zone), '')
|
|
.replace(/\.$/, '');
|
|
}
|
|
|
|
// For backwards compat with the v2.7 plugins
|
|
auth.challenge = auth;
|
|
// TODO can we use just { challenge: auth }?
|
|
// auth.request = ;
|
|
|
|
// TODO get rid of no-challenge backwards compat challenge
|
|
return {
|
|
challenge: auth,
|
|
request: function() {
|
|
// TODO see https://git.rootprojects.org/root/acme.js/issues/###
|
|
console.warn(
|
|
"[warn] deprecated use of request on '" +
|
|
auth.type +
|
|
"' challenge object. Receive from challenger.init() instead."
|
|
);
|
|
me.request.apply(null, arguments);
|
|
}
|
|
};
|
|
});
|
|
};
|
|
|
|
ACME._untame = function(name, wild) {
|
|
if (wild) {
|
|
name = '*.' + name.replace('*.', '');
|
|
}
|
|
return name;
|
|
};
|
|
|
|
// https://tools.ietf.org/html/draft-ietf-acme-acme-10#section-7.5.1
|
|
ACME._postChallenge = function(me, options, auth) {
|
|
var RETRY_INTERVAL = me.retryInterval || 1000;
|
|
var DEAUTH_INTERVAL = me.deauthWait || 10 * 1000;
|
|
var MAX_POLL = me.retryPoll || 8;
|
|
var MAX_PEND = me.retryPending || 4;
|
|
var count = 0;
|
|
var ch = auth.challenge;
|
|
|
|
var altname = ACME._untame(ch.identifier.value, ch.wildcard);
|
|
|
|
/*
|
|
POST /acme/authz/1234 HTTP/1.1
|
|
Host: example.com
|
|
Content-Type: application/jose+json
|
|
|
|
{
|
|
"protected": base64url({
|
|
"alg": "ES256",
|
|
"kid": "https://example.com/acme/acct/1",
|
|
"nonce": "xWCM9lGbIyCgue8di6ueWQ",
|
|
"url": "https://example.com/acme/authz/1234"
|
|
}),
|
|
"payload": base64url({
|
|
"status": "deactivated"
|
|
}),
|
|
"signature": "srX9Ji7Le9bjszhu...WTFdtujObzMtZcx4"
|
|
}
|
|
*/
|
|
function deactivate() {
|
|
if (me.debug) {
|
|
console.debug('[acme-v2.js] deactivate:');
|
|
}
|
|
return ACME._jwsRequest(me, {
|
|
options: options,
|
|
url: ch.url,
|
|
protected: { kid: options._kid },
|
|
payload: Enc.strToBuf(JSON.stringify({ status: 'deactivated' }))
|
|
}).then(function(resp) {
|
|
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: ch.url, json: true })
|
|
.then(function(resp) {
|
|
if ('processing' === resp.body.status) {
|
|
if (me.debug) {
|
|
console.debug('poll: again', ch.url);
|
|
}
|
|
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', ch.url);
|
|
}
|
|
return ACME._wait(RETRY_INTERVAL).then(respondToChallenge);
|
|
}
|
|
|
|
// REMOVE DNS records as soon as the state is non-processing
|
|
try {
|
|
ACME._removeChallenge(me, options, auth);
|
|
} catch (e) {}
|
|
|
|
if ('valid' === resp.body.status) {
|
|
if (me.debug) {
|
|
console.debug('poll: valid');
|
|
}
|
|
|
|
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 +
|
|
JSON.stringify(resp.body) +
|
|
"'";
|
|
} else {
|
|
errmsg =
|
|
"[acme-v2] (E_STATE_UKN) challenge state for '" +
|
|
altname +
|
|
"': '" +
|
|
resp.body.status +
|
|
"'";
|
|
}
|
|
|
|
return Promise.reject(new Error(errmsg));
|
|
});
|
|
}
|
|
|
|
function respondToChallenge() {
|
|
if (me.debug) {
|
|
console.debug('[acme-v2.js] responding to accept challenge:');
|
|
}
|
|
return ACME._jwsRequest(me, {
|
|
options: options,
|
|
url: ch.url,
|
|
protected: { kid: options._kid },
|
|
payload: Enc.strToBuf(JSON.stringify({}))
|
|
}).then(function(resp) {
|
|
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) {
|
|
var ch = auth.challenge;
|
|
return Promise.resolve().then(function() {
|
|
var challengers = options.challenges || {};
|
|
var challenger = challengers[ch.type] && challengers[ch.type].set;
|
|
if (!challenger) {
|
|
throw new Error(
|
|
"options.challenges did not have a valid entry for '" +
|
|
ch.type +
|
|
"'"
|
|
);
|
|
}
|
|
if (1 === challenger.length) {
|
|
return Promise.resolve(challenger(auth));
|
|
} else if (2 === challenger.length) {
|
|
return new Promise(function(resolve, reject) {
|
|
challenger(auth, function(err) {
|
|
if (err) {
|
|
reject(err);
|
|
} else {
|
|
resolve();
|
|
}
|
|
});
|
|
});
|
|
} else {
|
|
throw new Error(
|
|
"Bad function signature for '" + ch.type + "' challenge.set()"
|
|
);
|
|
}
|
|
});
|
|
};
|
|
ACME._finalizeOrder = function(me, options, validatedDomains) {
|
|
if (me.debug) {
|
|
console.debug('finalizeOrder:');
|
|
}
|
|
return ACME._generateCsrWeb64(me, options, validatedDomains).then(function(
|
|
csr
|
|
) {
|
|
var body = { csr: csr };
|
|
var payload = JSON.stringify(body);
|
|
|
|
function pollCert() {
|
|
if (me.debug) {
|
|
console.debug('[acme-v2.js] pollCert:');
|
|
}
|
|
return ACME._jwsRequest(me, {
|
|
options: options,
|
|
url: options._finalize,
|
|
protected: { kid: options._kid },
|
|
payload: Enc.strToBuf(payload)
|
|
}).then(function(resp) {
|
|
if (me.debug) {
|
|
console.debug('order finalized: resp.body:');
|
|
}
|
|
if (me.debug) {
|
|
console.debug(resp.body);
|
|
}
|
|
|
|
// https://tools.ietf.org/html/draft-ietf-acme-acme-12#section-7.1.3
|
|
// Possible values are: "pending" => ("invalid" || "ready") => "processing" => "valid"
|
|
if ('valid' === resp.body.status) {
|
|
options._expires = resp.body.expires;
|
|
options._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();
|
|
});
|
|
};
|
|
// _kid
|
|
// registerAccount
|
|
// postChallenge
|
|
// finalizeOrder
|
|
// getCertificate
|
|
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.csr) {
|
|
// TODO validate csr signature
|
|
options._csr = me.CSR._info(options.csr);
|
|
options.domains = options._csr.altnames;
|
|
if (options._csr.subject !== options.domains[0]) {
|
|
return Promise.reject(
|
|
new Error(
|
|
'certificate subject (commonName) does not match first altname (SAN)'
|
|
)
|
|
);
|
|
}
|
|
}
|
|
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 certificate (or options.subject must specified).'
|
|
)
|
|
);
|
|
}
|
|
|
|
// a cheap check to see if there are non-ascii characters in any of the domains
|
|
var nonAsciiDomains = options.domains.some(function(d) {
|
|
// IDN / unicode / utf-8 / punycode
|
|
return Enc.strToBin(d) !== d;
|
|
});
|
|
if (nonAsciiDomains) {
|
|
throw new Error(
|
|
"please use the 'punycode' module to convert unicode domain names to punycode"
|
|
);
|
|
}
|
|
|
|
// It's just fine if there's no account, we'll go get the key id we need via the existing key
|
|
options._kid =
|
|
options._kid ||
|
|
options.accountKid ||
|
|
(options.account &&
|
|
(options.account.kid ||
|
|
(options.account.key && options.account.key.kid)));
|
|
if (!options._kid) {
|
|
//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(account) {
|
|
options._kid = account.key.kid;
|
|
// start back from the top
|
|
return ACME._getCertificate(me, options);
|
|
});
|
|
}
|
|
|
|
// TODO Promise.all()?
|
|
Object.keys(options.challenges).forEach(function(key) {
|
|
var presenter = options.challenges[key];
|
|
if ('function' === typeof presenter.init && !presenter._initialized) {
|
|
presenter._initialized = true;
|
|
return ACME._depInit(me, presenter);
|
|
}
|
|
});
|
|
|
|
var promiseZones;
|
|
if (options.challenges['dns-01']) {
|
|
// a little bit of random to ensure that getZones()
|
|
// actually returns the zones and not the hosts as zones
|
|
var dnsHosts = options.domains.map(function(d) {
|
|
var rnd = parseInt(
|
|
Math.random()
|
|
.toString()
|
|
.slice(2),
|
|
10
|
|
)
|
|
.toString(16)
|
|
.slice(0, 4);
|
|
return rnd + '.' + d;
|
|
});
|
|
promiseZones = ACME._getZones(
|
|
me,
|
|
options.challenges['dns-01'],
|
|
dnsHosts
|
|
);
|
|
} else {
|
|
promiseZones = Promise.resolve([]);
|
|
}
|
|
|
|
return promiseZones
|
|
.then(function(zonenames) {
|
|
options.zonenames = zonenames;
|
|
// Do a little dry-run / self-test
|
|
return ACME._testChallenges(me, options);
|
|
})
|
|
.then(function() {
|
|
if (me.debug) {
|
|
console.debug('[acme-v2] certificates.create');
|
|
}
|
|
var certOrder = {
|
|
// 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(certOrder);
|
|
if (me.debug) {
|
|
console.debug('\n[DEBUG] newOrder\n');
|
|
}
|
|
return ACME._jwsRequest(me, {
|
|
options: options,
|
|
url: me._directoryUrls.newOrder,
|
|
protected: { kid: options._kid },
|
|
payload: Enc.strToBuf(payload)
|
|
}).then(function(resp) {
|
|
var location = resp.headers.location;
|
|
var setAuths;
|
|
var validAuths = [];
|
|
var auths = [];
|
|
if (me.debug) {
|
|
console.debug('[ordered]', location);
|
|
} // the account id url
|
|
if (me.debug) {
|
|
console.debug(resp);
|
|
}
|
|
options._authorizations = resp.body.authorizations;
|
|
options._order = location;
|
|
options._finalize = resp.body.finalize;
|
|
//if (me.debug) console.debug('[DEBUG] finalize:', options._finalize); return;
|
|
|
|
if (!options._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 = options._authorizations.slice(0);
|
|
|
|
var accountKeyThumb;
|
|
function setThumbnail() {
|
|
return ACME._importKeypair(me, options.accountKeypair).then(
|
|
function(pair) {
|
|
return me.Keypairs.thumbprint({
|
|
jwk: pair.public
|
|
}).then(function(_thumb) {
|
|
accountKeyThumb = _thumb;
|
|
});
|
|
}
|
|
);
|
|
}
|
|
|
|
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,
|
|
accountKeyThumb,
|
|
results,
|
|
challenge,
|
|
false
|
|
).then(function(auth) {
|
|
auths.push(auth);
|
|
return ACME._setChallenge(
|
|
me,
|
|
options,
|
|
auth
|
|
).then(setNext);
|
|
});
|
|
}
|
|
);
|
|
}
|
|
|
|
function waitAll() {
|
|
// TODO take the max wait of all challenge plugins and wait that long, or 1000ms
|
|
var DELAY = me.setChallengeWait || 7000;
|
|
if (true || me.debug) {
|
|
console.debug(
|
|
'\n[DEBUG] waitChallengeDelay %s\n',
|
|
DELAY
|
|
);
|
|
}
|
|
return ACME._wait(DELAY);
|
|
}
|
|
|
|
function checkNext() {
|
|
var auth = auths.shift();
|
|
if (!auth) {
|
|
return;
|
|
}
|
|
|
|
var ch = auth.challenge;
|
|
if (!me._canUse[ch.type] || me.skipChallengeTest) {
|
|
// not so much "valid" as "not invalid"
|
|
// but in this case we can't confirm either way
|
|
validAuths.push(auth);
|
|
return checkNext();
|
|
}
|
|
|
|
return ACME.challengeTests[ch.type](me, auth)
|
|
.then(function() {
|
|
validAuths.push(auth);
|
|
})
|
|
.then(checkNext);
|
|
}
|
|
|
|
function presentNext() {
|
|
var auth = validAuths.shift();
|
|
if (!auth) {
|
|
return;
|
|
}
|
|
return ACME._postChallenge(me, options, auth).then(
|
|
presentNext
|
|
);
|
|
}
|
|
|
|
function finalizeOrder() {
|
|
if (me.debug) {
|
|
console.debug('[getCertificate] next.then');
|
|
}
|
|
var validatedDomains = certOrder.identifiers.map(function(
|
|
ident
|
|
) {
|
|
return ident.value;
|
|
});
|
|
|
|
return ACME._finalizeOrder(me, options, validatedDomains);
|
|
}
|
|
|
|
function retrieveCerts(order) {
|
|
if (me.debug) {
|
|
console.debug('acme-v2: order was finalized');
|
|
}
|
|
// TODO POST-as-GET
|
|
return me
|
|
.request({
|
|
method: 'GET',
|
|
url: options._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;
|
|
});
|
|
}
|
|
|
|
// First we set each and 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 setThumbnail()
|
|
.then(setNext)
|
|
.then(waitAll)
|
|
.then(checkNext)
|
|
.then(presentNext)
|
|
.then(finalizeOrder)
|
|
.then(retrieveCerts);
|
|
});
|
|
});
|
|
};
|
|
|
|
ACME._generateCsrWeb64 = function(me, options, validatedDomains) {
|
|
var csr;
|
|
if (options.csr) {
|
|
csr = options.csr;
|
|
// if der, convert to base64
|
|
if ('string' !== typeof csr) {
|
|
csr = Enc.bufToUrlBase64(csr);
|
|
}
|
|
// TODO PEM.parseBlock()
|
|
// nix PEM headers, if any
|
|
if ('-' === csr[0]) {
|
|
csr = csr
|
|
.split(/\n+/)
|
|
.slice(1, -1)
|
|
.join('');
|
|
}
|
|
csr = Enc.base64ToUrlBase64(csr.trim().replace(/\s+/g, ''));
|
|
return Promise.resolve(csr);
|
|
}
|
|
|
|
return ACME._importKeypair(me, options.serverKeypair).then(function(pair) {
|
|
return me.CSR.csr({
|
|
jwk: pair.private,
|
|
domains: validatedDomains,
|
|
encoding: 'der'
|
|
}).then(function(der) {
|
|
return Enc.bufToUrlBase64(der);
|
|
});
|
|
});
|
|
};
|
|
|
|
ACME.create = function create(me) {
|
|
if (!me) {
|
|
me = {};
|
|
}
|
|
// me.debug = true;
|
|
me.challengePrefixes = ACME.challengePrefixes;
|
|
me.Keypairs = me.Keypairs || require('./keypairs.js');
|
|
me.CSR = me.CSR || require('./csr.js');
|
|
me._nonces = [];
|
|
me._canUse = {};
|
|
if (!me._baseUrl) {
|
|
me._baseUrl = '';
|
|
}
|
|
//me.Keypairs = me.Keypairs || require('keypairs');
|
|
//me.request = me.request || require('@root/request');
|
|
if (!me.dns01) {
|
|
me.dns01 = function(ch) {
|
|
return ACME._dns01(me, ch);
|
|
};
|
|
}
|
|
// backwards compat
|
|
if (!me.dig) {
|
|
me.dig = me.dns01;
|
|
}
|
|
if (!me.http01) {
|
|
me.http01 = function(ch) {
|
|
return ACME._http01(me, ch);
|
|
};
|
|
}
|
|
|
|
if ('function' !== typeof me.request) {
|
|
me.request = ACME._defaultRequest;
|
|
}
|
|
|
|
me.init = function(opts) {
|
|
function fin(dir) {
|
|
me._directoryUrls = dir;
|
|
me._tos = dir.meta.termsOfService;
|
|
return dir;
|
|
}
|
|
if (opts && opts.meta && opts.termsOfService) {
|
|
return Promise.resolve(fin(opts));
|
|
}
|
|
if (!me.directoryUrl) {
|
|
me.directoryUrl = opts;
|
|
}
|
|
if ('string' !== typeof me.directoryUrl) {
|
|
throw new Error(
|
|
'you must supply either the ACME directory url as a string or an object of the ACME urls'
|
|
);
|
|
}
|
|
var p = Promise.resolve();
|
|
if (!me.skipChallengeTest) {
|
|
p = me
|
|
.request({ url: me._baseUrl + '/api/_acme_api_/' })
|
|
.then(function(resp) {
|
|
if (resp.body.success) {
|
|
me._canCheck['http-01'] = true;
|
|
me._canCheck['dns-01'] = true;
|
|
}
|
|
})
|
|
.catch(function() {
|
|
// ignore
|
|
});
|
|
}
|
|
return p.then(function() {
|
|
return ACME._directory(me).then(function(resp) {
|
|
return fin(resp.body);
|
|
});
|
|
});
|
|
};
|
|
me.accounts = {
|
|
create: function(options) {
|
|
return ACME._registerAccount(me, options);
|
|
}
|
|
};
|
|
me.certificates = {
|
|
create: function(options) {
|
|
return ACME._getCertificate(me, options);
|
|
}
|
|
};
|
|
return me;
|
|
};
|
|
|
|
// Handle nonce, signing, and request altogether
|
|
ACME._jwsRequest = function(me, bigopts) {
|
|
return ACME._getNonce(me).then(function(nonce) {
|
|
bigopts.protected.nonce = nonce;
|
|
bigopts.protected.url = bigopts.url;
|
|
// protected.alg: added by Keypairs.signJws
|
|
if (!bigopts.protected.jwk) {
|
|
// protected.kid must be overwritten due to ACME's interpretation of the spec
|
|
if (!bigopts.protected.kid) {
|
|
bigopts.protected.kid = bigopts.options._kid;
|
|
}
|
|
}
|
|
// this will shasum the thumbnail the 2nd time
|
|
return me.Keypairs.signJws({
|
|
jwk: bigopts.options.accountKeypair.privateKeyJwk,
|
|
protected: bigopts.protected,
|
|
payload: bigopts.payload
|
|
}).then(function(jws) {
|
|
if (me.debug) {
|
|
console.debug('[acme-v2] ' + bigopts.url + ':');
|
|
}
|
|
if (me.debug) {
|
|
console.debug(jws);
|
|
}
|
|
return ACME._request(me, { url: bigopts.url, json: jws });
|
|
});
|
|
});
|
|
};
|
|
|
|
// Handle some ACME-specific defaults
|
|
ACME._request = function(me, opts) {
|
|
if (!opts.headers) {
|
|
opts.headers = {};
|
|
}
|
|
if (opts.json && true !== opts.json) {
|
|
opts.headers['Content-Type'] = 'application/jose+json';
|
|
opts.body = JSON.stringify(opts.json);
|
|
if (!opts.method) {
|
|
opts.method = 'POST';
|
|
}
|
|
}
|
|
return me.request(opts).then(function(resp) {
|
|
resp = resp.toJSON();
|
|
if (resp.headers['replay-nonce']) {
|
|
ACME._setNonce(me, resp.headers['replay-nonce']);
|
|
}
|
|
return resp;
|
|
});
|
|
};
|
|
// A very generic, swappable request lib
|
|
ACME._defaultRequest = function(opts) {
|
|
// Note: normally we'd have to supply a User-Agent string, but not here in a browser
|
|
if (!opts.headers) {
|
|
opts.headers = {};
|
|
}
|
|
if (opts.json) {
|
|
opts.headers.Accept = 'application/json';
|
|
if (true !== opts.json) {
|
|
opts.body = JSON.stringify(opts.json);
|
|
}
|
|
}
|
|
if (!opts.method) {
|
|
opts.method = 'GET';
|
|
if (opts.body) {
|
|
opts.method = 'POST';
|
|
}
|
|
}
|
|
opts.cors = true;
|
|
|
|
return http.request(opts);
|
|
};
|
|
|
|
ACME._importKeypair = function(me, kp) {
|
|
var jwk = kp.privateKeyJwk;
|
|
var p;
|
|
if (jwk) {
|
|
// nix the browser jwk extras
|
|
jwk.key_ops = undefined;
|
|
jwk.ext = undefined;
|
|
p = Promise.resolve({
|
|
private: jwk,
|
|
public: me.Keypairs.neuter({ jwk: jwk })
|
|
});
|
|
} else {
|
|
p = me.Keypairs.import({ pem: kp.privateKeyPem });
|
|
}
|
|
return p.then(function(pair) {
|
|
kp.privateKeyJwk = pair.private;
|
|
kp.publicKeyJwk = pair.public;
|
|
if (pair.public.kid) {
|
|
pair = JSON.parse(JSON.stringify(pair));
|
|
delete pair.public.kid;
|
|
delete pair.private.kid;
|
|
}
|
|
return pair;
|
|
});
|
|
};
|
|
|
|
/*
|
|
TODO
|
|
Per-Order State Params
|
|
_kty
|
|
_alg
|
|
_finalize
|
|
_expires
|
|
_certificate
|
|
_order
|
|
_authorizations
|
|
*/
|
|
|
|
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);
|
|
};
|
|
ACME._dns01 = function(me, ch) {
|
|
return new me.request({
|
|
url: me._baseUrl + '/api/dns/' + ch.dnsHost + '?type=TXT'
|
|
}).then(function(resp) {
|
|
var err;
|
|
if (!resp.body || !Array.isArray(resp.body.answer)) {
|
|
err = new Error('failed to get DNS response');
|
|
console.error(err);
|
|
throw err;
|
|
}
|
|
if (!resp.body.answer.length) {
|
|
err = new Error('failed to get DNS answer record in response');
|
|
console.error(err);
|
|
throw err;
|
|
}
|
|
return {
|
|
answer: resp.body.answer.map(function(ans) {
|
|
return { data: ans.data, ttl: ans.ttl };
|
|
})
|
|
};
|
|
});
|
|
};
|
|
ACME._http01 = function(me, ch) {
|
|
var url = encodeURIComponent(ch.challengeUrl);
|
|
return new me.request({
|
|
url: me._baseUrl + '/api/http?url=' + url
|
|
}).then(function(resp) {
|
|
return resp.body;
|
|
});
|
|
};
|
|
ACME._removeChallenge = function(me, options, auth) {
|
|
var challengers = options.challenges || {};
|
|
var ch = auth.challenge;
|
|
var removeChallenge = challengers[ch.type] && challengers[ch.type].remove;
|
|
if (!removeChallenge) {
|
|
throw new Error('challenge plugin is missing remove()');
|
|
}
|
|
if (1 === removeChallenge.length) {
|
|
return Promise.resolve(removeChallenge(auth)).then(
|
|
function() {},
|
|
function(e) {
|
|
console.error('Error during remove challenge:');
|
|
console.error(e);
|
|
}
|
|
);
|
|
} else if (2 === removeChallenge.length) {
|
|
return new Promise(function(resolve) {
|
|
removeChallenge(auth, function(err) {
|
|
resolve();
|
|
if (err) {
|
|
console.error('Error during remove challenge:');
|
|
console.error(err);
|
|
}
|
|
return err;
|
|
});
|
|
});
|
|
} else {
|
|
throw new Error(
|
|
"Bad function signature for '" + auth.type + "' challenge.remove()"
|
|
);
|
|
}
|
|
};
|
|
|
|
ACME._depInit = function(me, presenter) {
|
|
if ('function' !== typeof presenter.init) {
|
|
return Promise.resolve(null);
|
|
}
|
|
return ACME._wrapCb(
|
|
me,
|
|
presenter,
|
|
'init',
|
|
{ type: '*', request: me.request },
|
|
'null'
|
|
);
|
|
};
|
|
|
|
ACME._getZones = function(me, presenter, dnsHosts) {
|
|
if ('function' !== typeof presenter.zones) {
|
|
presenter.zones = function() {
|
|
return Promise.resolve([]);
|
|
};
|
|
}
|
|
var challenge = {
|
|
type: 'dns-01',
|
|
dnsHosts: dnsHosts,
|
|
request: me.request
|
|
};
|
|
return ACME._wrapCb(
|
|
me,
|
|
presenter,
|
|
'zones',
|
|
{ challenge: challenge },
|
|
'an array of zone names'
|
|
);
|
|
};
|
|
|
|
ACME._wrapCb = function(me, options, _name, args, _desc) {
|
|
return new Promise(function(resolve, reject) {
|
|
if (options[_name].length <= 1) {
|
|
return Promise.resolve(options[_name](args))
|
|
.then(resolve)
|
|
.catch(reject);
|
|
} else if (2 === options[_name].length) {
|
|
options[_name](args, function(err, results) {
|
|
if (err) {
|
|
reject(err);
|
|
} else {
|
|
resolve(results);
|
|
}
|
|
});
|
|
} else {
|
|
throw new Error(
|
|
'options.' + _name + ' should accept opts and Promise ' + _desc
|
|
);
|
|
}
|
|
});
|
|
};
|
|
|
|
function newZoneRegExp(zonename) {
|
|
// (^|\.)example\.com$
|
|
// which matches:
|
|
// foo.example.com
|
|
// example.com
|
|
// but not:
|
|
// fooexample.com
|
|
return new RegExp('(^|\\.)' + zonename.replace(/\./g, '\\.') + '$');
|
|
}
|
|
|
|
function pluckZone(zonenames, dnsHost) {
|
|
return zonenames
|
|
.filter(function(zonename) {
|
|
// the only character that needs to be escaped for regex
|
|
// and is allowed in a domain name is '.'
|
|
return newZoneRegExp(zonename).test(dnsHost);
|
|
})
|
|
.sort(function(a, b) {
|
|
// longest match first
|
|
return b.length - a.length;
|
|
})[0];
|
|
}
|