coolaj86/acme-challenge-test.js
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v3.3.0: include request, cleanup #3

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coolaj86 merged 1 commits from refactor into master 2019-06-15 17:15:11 +00:00
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3 changed files with 255 additions and 147 deletions
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index.js
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@ -1,6 +1,29 @@
'use strict';
/*global Promise*/
if (process.version.match(/^v(\d+)/)[1] > 6) {
console.warn();
console.warn('#########################');
console.warn('# Node v6 Compatibility #');
console.warn('#########################');
console.warn();
console.warn("You're using node " + process.version);
console.warn(
'Please write node-v6 compatible JavaScript (not Babel/ECMAScript) and test with node v6.'
);
console.warn();
console.warn(
'(ACME.js and Greenlock.js are widely deployed in enterprise node v6 environments. The few node v6 bugs in Buffer and Promise are hotfixed by ACME.js in just a few lines of code)'
);
console.warn();
}
require('./node-v6-compat.js');
// Load _after_ node v6 compat
var crypto = require('crypto');
var promisify = require('util').promisify;
var request = require('@root/request');
request = promisify(request);
module.exports.create = function() {
throw new Error(
@ -10,13 +33,12 @@ module.exports.create = function() {
// ignore all of this, it's just to normalize Promise vs node-style callback thunk vs synchronous
function promiseCheckAndCatch(obj, name) {
var promisify = require('util').promisify;
// don't loose this-ness, just in case that's important
var fn = obj[name].bind(obj);
var promiser;
// function signature must match, or an error will be thrown
if (1 === fn.length) {
if (fn.length <= 1) {
// wrap so that synchronous errors are caught (alsa handles synchronous results)
promiser = function(opts) {
return Promise.resolve().then(function() {
@ -27,13 +49,11 @@ function promiseCheckAndCatch(obj, name) {
// wrap as a promise
promiser = promisify(fn);
} else {
return Promise.reject(
new Error(
"'challenge." +
name +
"' should accept either one argument, the options," +
' and return a Promise or accept two arguments, the options and a node-style callback thunk'
)
throw new Error(
"'challenge." +
name +
"' should accept either one argument, the options," +
' and return a Promise or accept two arguments, the options and a node-style callback thunk'
);
}
@ -42,7 +62,7 @@ function promiseCheckAndCatch(obj, name) {
throw new Error(
"'challenge.'" +
name +
"' should never return `undefined`. Please explicitly return null" +
"' should never return `undefined`. Please explicitly `return null`" +
" (or fix the place where a value should have been returned but wasn't)."
);
}
@ -79,6 +99,7 @@ function newZoneRegExp(zonename) {
// fooexample.com
return new RegExp('(^|\\.)' + zonename.replace(/\./g, '\\.') + '$');
}
function pluckZone(zones, dnsHost) {
return zones
.filter(function(zonename) {
@ -95,155 +116,201 @@ function pluckZone(zones, dnsHost) {
// Here's the meat, where the tests are happening:
function testEach(type, domains, challenger) {
var chr = wrapChallenger(type, challenger);
var all = domains.map(function(d) {
return { domain: d };
});
// We want the same rnd for all domains so that we catch errors like removing
// the apex (bare) domain TXT record to when creating the wildcard record
var rnd = crypto.randomBytes(2).toString('hex');
console.info("Testing each of '%s'", domains.join(', '));
return chr.zones({ dnsHosts: domains }).then(function(zones) {
return mapAsync(all, function(opts) {
var zone = pluckZone(zones, opts.domain);
opts.challenge = fakeChallenge(type, zone, opts.domain, rnd);
var ch = opts.challenge;
if ('http-01' === ch.type && ch.wildname) {
throw new Error('http-01 cannot be used for wildcard domains');
}
// The first time we just check it against itself
// this will cause the prompt to appear
return chr.set(opts).then(function() {
// this will cause the final completion message to appear
// _test is used by the manual cli reference implementations
var query = { type: ch.type, /*debug*/ status: ch.status, _test: true };
if ('http-01' === ch.type) {
query.identifier = ch.identifier;
query.token = ch.token;
// For testing only
query.url = ch.challengeUrl;
} else if ('dns-01' === ch.type) {
query.identifier = { type: 'dns', value: ch.dnsHost };
// For testing only
query.altname = ch.altname;
// there should only be two possible TXT records per challenge domain:
// one for the bare domain, and the other if and only if there's a wildcard
query.wildcard = ch.wildcard;
query.dnsAuthorization = ch.dnsAuthorization;
query.dnsZone = ch.dnsZone;
query.dnsPrefix = ch.dnsPrefix;
} else {
query = JSON.parse(JSON.stringify(ch));
query.comment = 'unknown challenge type, supplying everything';
}
opts.query = query;
return opts;
});
//
// Zones
//
// Get ALL zones for all records on the certificate
//
return chr
.init({ request: request })
.then(function() {
return chr.zones({ request: request, dnsHosts: domains });
})
.then(function(all) {
return mapAsync(all, function(opts) {
var ch = opts.challenge;
return chr.get({ challenge: opts.query }).then(function(secret) {
if ('string' === typeof secret) {
console.info(
'secret was passed as a string, which works historically, but should be an object instead:'
);
console.info('{ "keyAuthorization": "' + secret + '" }');
console.info('or');
// TODO this should be "keyAuthorizationDigest"
console.info('{ "dnsAuthorization": "' + secret + '" }');
console.info(
'This is to help keep acme / greenlock (and associated plugins) future-proof for new challenge types'
);
}
// historically 'secret' has been a string, but I'd like it to transition to be an object.
// to make it backwards compatible in v2.7 to change it,
// so I'm not sure that we really need to.
if ('http-01' === ch.type) {
secret = secret.keyAuthorization || secret;
if (ch.keyAuthorization !== secret) {
throw new Error(
"http-01 challenge.get() returned '" +
secret +
"', which does not match the keyAuthorization" +
" saved with challenge.set(), which was '" +
ch.keyAuthorization +
"'"
);
}
} else if ('dns-01' === ch.type) {
secret = secret.dnsAuthorization || secret;
if (ch.dnsAuthorization !== secret) {
throw new Error(
"dns-01 challenge.get() returned '" +
secret +
"', which does not match the dnsAuthorization" +
" (keyAuthDigest) saved with challenge.set(), which was '" +
ch.dnsAuthorization +
"'"
);
}
} else {
if ('tls-alpn-01' === ch.type) {
console.warn(
"'tls-alpn-01' support is in development" +
" (or developed and we haven't update this yet). Please contact us."
);
} else {
console.warn(
"We don't know how to test '" +
ch.type +
"'... are you sure that's a thing?"
);
}
secret = secret.keyAuthorization || secret;
if (ch.keyAuthorization !== secret) {
console.warn(
"The returned value doesn't match keyAuthorization",
ch.keyAuthorization,
secret
);
}
}
.then(function(zones) {
var all = domains.map(function(domain) {
var zone = pluckZone(zones, domain);
return {
domain: domain,
challenge: fakeChallenge(type, zone, domain, rnd),
request: request
};
});
// resolving for the sake of same indentation / scope
return Promise.resolve()
.then(function() {
return mapAsync(all, function(opts) {
return set(chr, opts);
});
});
})
.then(function() {
return mapAsync(all, function(opts) {
return chr.remove(opts).then(function() {
return chr.get(opts).then(function(result) {
if (result) {
throw new Error(
'challenge.remove() should have made it not possible for challenge.get() to return a value'
);
}
if (null !== result) {
throw new Error(
'challenge.get() should return null when the value is not set'
);
}
})
.then(function() {
return mapAsync(all, function(opts) {
return check(chr, opts);
});
})
.then(function() {
return mapAsync(all, function(opts) {
return remove(chr, opts).then(function() {
console.info("PASS '%s'", opts.domain);
});
});
})
.then(function() {
console.info();
console.info('It looks like the soft tests all passed.');
console.log('It is highly likely that your plugin is correct.');
console.log(
'Now go test with Greenlock.js and/or ACME.js to be sure.'
);
console.info();
});
})
.then(function() {
console.info('All soft tests: PASS');
console.warn(
'Hard tests (actually checking http URLs and dns records) is implemented in acme-v2.'
);
console.warn(
"We'll copy them over here as well, but that's a TODO for next week."
);
});
});
}
function set(chr, opts) {
var ch = opts.challenge;
if ('http-01' === ch.type && ch.wildname) {
throw new Error('http-01 cannot be used for wildcard domains');
}
//
// Set
//
// Add (not replace) a TXT for the domain
//
return chr.set(opts).then(function() {
// _test is used by the manual cli reference implementations
var query = { type: ch.type, /*debug*/ status: ch.status, _test: true };
if ('http-01' === ch.type) {
query.identifier = ch.identifier;
query.token = ch.token;
// For testing only
query.url = ch.challengeUrl;
} else if ('dns-01' === ch.type) {
query.identifier = { type: 'dns', value: ch.dnsHost };
// For testing only
query.altname = ch.altname;
// there should only be two possible TXT records per challenge domain:
// one for the bare domain, and the other if and only if there's a wildcard
query.wildcard = ch.wildcard;
query.dnsAuthorization = ch.dnsAuthorization;
query.dnsZone = ch.dnsZone;
query.dnsPrefix = ch.dnsPrefix;
} else {
query = JSON.parse(JSON.stringify(ch));
query.comment = 'unknown challenge type, supplying everything';
}
opts.query = query;
return opts;
});
}
function testZone(type, zone, challenger) {
var domains = [zone, 'foo.' + zone];
if ('dns-01' === type) {
domains.push('*.foo.' + zone);
}
return testEach(type, domains, challenger);
function check(chr, opts) {
var ch = opts.challenge;
//
// Get
//
// Check that ONE of the relevant TXT records matches
//
return chr
.get({ request: request, challenge: opts.query })
.then(function(secret) {
if (!secret) {
throw new Error(
'`secret` should be an object containing `keyAuthorization` or `dnsAuthorization`'
);
}
if ('string' === typeof secret) {
console.info(
'secret was passed as a string, which works historically, but should be an object instead:'
);
console.info('{ "keyAuthorization": "' + secret + '" }');
console.info('or');
// TODO this should be "keyAuthorizationDigest"
console.info('{ "dnsAuthorization": "' + secret + '" }');
console.info(
'This is to help keep acme / greenlock (and associated plugins) future-proof for new challenge types'
);
}
// historically 'secret' has been a string, but I'd like it to transition to be an object.
// to make it backwards compatible in v2.7 to change it,
// so I'm not sure that we really need to.
if ('http-01' === ch.type) {
secret = secret.keyAuthorization || secret;
if (ch.keyAuthorization !== secret) {
throw new Error(
"http-01 challenge.get() returned '" +
secret +
"', which does not match the keyAuthorization" +
" saved with challenge.set(), which was '" +
ch.keyAuthorization +
"'"
);
}
} else if ('dns-01' === ch.type) {
secret = secret.dnsAuthorization || secret;
if (ch.dnsAuthorization !== secret) {
throw new Error(
"dns-01 challenge.get() returned '" +
secret +
"', which does not match the dnsAuthorization" +
" (keyAuthDigest) saved with challenge.set(), which was '" +
ch.dnsAuthorization +
"'"
);
}
} else {
if ('tls-alpn-01' === ch.type) {
console.warn(
"'tls-alpn-01' support is in development" +
" (or developed and we haven't update this yet). Please contact us."
);
} else {
console.warn(
"We don't know how to test '" +
ch.type +
"'... are you sure that's a thing?"
);
}
secret = secret.keyAuthorization || secret;
if (ch.keyAuthorization !== secret) {
console.warn(
"The returned value doesn't match keyAuthorization",
ch.keyAuthorization,
secret
);
}
}
});
}
function remove(chr, opts) {
//
// Remove
//
// Delete ONLY the SINGLE relevant TXT record
//
return chr.remove(opts).then(function() {
return chr.get(opts).then(function(result) {
if (result) {
throw new Error(
'challenge.remove() should have made it not possible for challenge.get() to return a value'
);
}
if (null !== result) {
throw new Error(
'challenge.get() should return null when the value is not set'
);
}
});
});
}
function wrapChallenger(type, challenger) {
@ -278,7 +345,14 @@ function wrapChallenger(type, challenger) {
return;
}
var init = challenger.init;
if ('function' !== typeof init) {
init = function(opts) {
return null;
};
}
return {
init: promiseCheckAndCatch(challenger, 'init'),
zones: zones,
set: promiseCheckAndCatch(challenger, 'set'),
get: promiseCheckAndCatch(challenger, 'get'),
@ -309,6 +383,7 @@ function fakeChallenge(type, zone, altname, rnd) {
thumbprint: thumb,
keyAuthorization: keyAuth,
url: null, // completed below
// we create a random record to prevent self cache-poisoning
dnsHost: '_' + rnd.slice(0, 2) + '-acme-challenge-' + rnd.slice(2) + '.', // completed below
dnsAuthorization: dnsAuth,
altname: altname,
@ -332,6 +407,14 @@ function fakeChallenge(type, zone, altname, rnd) {
return challenge;
}
function testZone(type, zone, challenger) {
var domains = [zone, 'foo.' + zone];
if ('dns-01' === type) {
domains.push('*.foo.' + zone);
}
return testEach(type, domains, challenger);
}
function testRecord(type, altname, challenger) {
return testEach(type, [altname], challenger);
}

25
node-v6-compat.js Normal file
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@ -0,0 +1,25 @@
"use strict";
function requireBluebird() {
try {
return require("bluebird");
} catch (e) {
console.error("");
console.error("DON'T PANIC. You're running an old version of node with incomplete Promise support.");
console.error("EASY FIX: `npm install --save bluebird`");
console.error("");
throw e;
}
}
if ("undefined" === typeof Promise) {
global.Promise = requireBluebird();
}
if ("function" !== typeof require("util").promisify) {
require("util").promisify = requireBluebird().promisify;
}
if (!console.debug) {
console.debug = console.log;
}

2
package.json
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@ -1,6 +1,6 @@
{
"name": "acme-challenge-test",
"version": "3.2.1",
"version": "3.3.0",
"description": "ACME challenge test harness for Let's Encrypt integrations. Any `acme-http-01-` or `acme-dns-01-` challenge strategy or Greenlock plugin should be able to pass these tests.",
"main": "index.js",
"homepage": "https://git.rootprojects.org/root/acme-challenge-test.js",