coolaj86/acme-dns-01-digitalocean.js
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AJ ONeal 2019-06-06 23:11:33 -06:00
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# [acme-dns-01-digitalocean](https://git.rootprojects.org/root/acme-dns-01-digitalocean) | a [Root](https://rootrpojects.org) project
Digital Ocean DNS for Let's Encrypt / ACME dns-01 challenges with ACME.js and Greenlock.js (Node.js).
# Tests
```
# node ./test.js domain-zone api-token
node ./test.js example.com xxxxxx
```

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'use strict';
module.exports = require('./lib/index.js');

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'use strict';
var request = require('@root/request');
request = require('util').promisify(request);
var defaults = {
baseUrl: 'https://api.digitalocean.com'
};
module.exports.create = function(config) {
// config = { baseUrl, token }
var baseUrl = config.baseUrl || defaults.baseUrl;
var authtoken = config.token;
return {
set: function(data) {
var ch = data.challenge;
var domainname = ch.identifier.value;
// PROBLEM: zone != domain
// example.com, foo.example.com, and bar.foo.example.com are all in the example.com zone!!
// Need to get list of "domains" (zones) and *then* set "subdomains" (domain records)
// https://developers.digitalocean.com/documentation/v2/#domains
var zone = domainname;
// PROBLEM: dnsPrefix != dnsHost.split('.')[0]
// _greenlock-dryrun-2277.bar.foo.example.com => _greenlock-dryrun-2277.bar.foo
var dnsPrefix = ch.dnsHost.replace(new RegExp('.' + zone + '$'), '');
var txt = ch.dnsAuthorization;
// If the domain to be verified is
var url = baseUrl + '/v2/domains/' + zone + '/records';
console.log('adding txt', data);
return request({
method: 'POST',
url: url,
headers: {
Authorization: 'Bearer ' + authtoken,
'Content-Type': 'application/json'
},
json: {
type: 'TXT',
name: dnsPrefix,
data: txt,
// PROBLEM (fixed) set a LOW ttl so that responses are not cached so long
ttl: 300
}
}).then(function(resp) {
resp = resp.body;
console.log(resp);
if (resp && resp.domain_record && resp.domain_record.data === txt) {
return true;
}
throw new Error('record did not set. check subdomain, api key, etc');
});
},
remove: function(data) {
var domainname = data.challenge.altname;
var zone = domainname;
// PROBLEM: domainname != zone
var url = baseUrl + '/v2/domains/' + zone + '/records';
// Digital ocean provides the api to remove records by ID. Since we do not have id, we fetch all the records,
// filter the required TXT record and pass its id to remove API
return request({
method: 'GET',
url: url,
// PROBLEM (fixed): Remember to set json: true (not need to JSON.parse)
json: true,
headers: {
Authorization: 'Bearer ' + authtoken,
'Content-Type': 'application/json'
}
})
.then(function(resp) {
resp = resp.body;
var entries =
resp &&
resp.domain_records &&
resp.domain_records.filter(function(x) {
return x.type === 'TXT';
});
// PROBLEM entry[0] !== our entry
// (see solution for other entries, down below)
if (entries.length > 0) {
return entries[0].id;
} else {
throw new Error(
'Couldnt remove record. check subdomain, api key, etc'
);
}
})
.then(function(recordId) {
var domainname = data.challenge.altname;
var zone = domainname;
var url = baseUrl + '/v2/domains/' + zone + '/records/' + recordId;
return request({
method: 'DELETE',
url: url,
headers: {
Authorization: 'Bearer ' + authtoken,
'Content-Type': 'application/json'
}
}).then(function(resp) {
resp = resp.body;
console.log(resp);
return true;
});
});
},
get: function(data) {
var ch = data.challenge;
var domainname = data.challenge.altname;
var zone = domainname;
// PROBLEM: domainname != zone
var url = baseUrl + '/v2/domains/' + zone + '/records';
console.log('getting txt', data);
// Digital ocean provides the api to fetch records by ID. Since we do not have id, we fetch all the records,
// filter the required TXT record
return request({
method: 'GET',
url: url,
json: true,
headers: {
Authorization: 'Bearer ' + authtoken,
'Content-Type': 'application/json'
}
}).then(function(resp) {
resp = resp.body;
var entries =
resp &&
resp.domain_records &&
resp.domain_records.filter(function(x) {
// PROBLEM should also check for prefix
return x.type === 'TXT';
});
// PROBLEM (fixed): entries[0] !== our entry
var entry = entries.filter(function(x) {
console.log('data', x.data);
console.log('dnsAuth', ch.dnsAuthorization, ch);
return x.data === ch.dnsAuthorization;
})[0];
if (entry) {
return { dnsAuthorization: entry.data };
} else {
return null;
}
});
}
};
};

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{
"name": "acme-dns-01-digitalocean",
"version": "3.0.0",
"lockfileVersion": 1,
"requires": true,
"dependencies": {
"@root/request": {
"version": "1.3.11",
"resolved": "https://registry.npmjs.org/@root/request/-/request-1.3.11.tgz",
"integrity": "sha512-3a4Eeghcjsfe6zh7EJ+ni1l8OK9Fz2wL1OjP4UCa0YdvtH39kdXB9RGWuzyNv7dZi0+Ffkc83KfH0WbPMiuJFw=="
},
"acme-challenge-test": {
"version": "3.1.0",
"resolved": "https://registry.npmjs.org/acme-challenge-test/-/acme-challenge-test-3.1.0.tgz",
"integrity": "sha512-k+2hNED8P245BdJh44+eJjmVr7oNcuxigMbfz2/7Emc5h4ZAI7iuRZ2M6t4Qui+q5YgiPPjnILDzCZTHLzb1Ag==",
"dev": true
}
}
}

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{
"name": "acme-dns-01-digitalocean",
"version": "3.0.0",
"description": "Digital Ocean DNS for Let's Encrypt / ACME dns-01 challenges with ACME.js and Greenlock.js",
"main": "index.js",
"scripts": {
"test": "node ./test.js"
},
"repository": {
"type": "git",
"url": "https://git.rootprojects.org/root/acme-dns-01-digitalocean.git"
},
"keywords": [
"digitalocean",
"digital-ocean",
"dns",
"dns-01",
"letsencrypt",
"acme",
"greenlock"
],
"author": "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com/)",
"license": "MPL-2.0",
"dependencies": {
"@root/request": "^1.3.11"
},
"devDependencies": {
"acme-challenge-test": "^3.1.0"
}
}

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#!/usr/bin/env node
'use strict';
// See https://git.coolaj86.com/coolaj86/acme-challenge-test.js
var tester = require('acme-challenge-test');
// Usage: node ./test.js example.com xxxxxxxxx
var zone = process.argv[2];
var challenger = require('./index.js').create({
token: process.argv[3]
});
// The dry-run tests can pass on, literally, 'example.com'
// but the integration tests require that you have control over the domain
tester
.testZone('dns-01', zone, challenger)
.then(function() {
console.info('PASS', zone);
})
.catch(function(e) {
console.error(e.message);
console.error(e.stack);
});