acme-dns-01-cli.js/README.md

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le-challenge-dns
================

[![Join the chat at https://gitter.im/Daplie/letsencrypt-express](https://badges.gitter.im/Daplie/letsencrypt-express.svg)](https://gitter.im/Daplie/letsencrypt-express?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)

| [letsencrypt](https://github.com/Daplie/node-letsencrypt) (library)
| [letsencrypt-cli](https://github.com/Daplie/letsencrypt-cli)
| [letsencrypt-express](https://github.com/Daplie/letsencrypt-express)
| [letsencrypt-koa](https://github.com/Daplie/letsencrypt-koa)
| [letsencrypt-hapi](https://github.com/Daplie/letsencrypt-hapi)
|

**For production** use [`le-challenge-ddns`](https://github.com/Daplie/le-challenge-ddns) (or a similar ddns tool)

A manual (interactive CLI) dns-based strategy for node-letsencrypt for setting, retrieving,
and clearing ACME DNS-01 challenges issued by the ACME server

Prints out a subdomain record for `_acme-challenge` with `keyAuthDigest`
to be tested by the ACME server.

You can then update your DNS manually by whichever method you use and then
press [enter] to continue the process.

```
_acme-challenge.example.com   TXT   xxxxxxxxxxxxxxxx    TTL 60
```

Install
-------

```bash
npm install --save le-challenge-dns@2.x
```

Usage
-----

```bash
var leChallengeDns = require('le-challenge-dns').create({
  debug: false
});

var LE = require('letsencrypt');

LE.create({
  server: LE.stagingServerUrl                               // Change to LE.productionServerUrl in production
, challengeType: 'dns-01'
, challenges: {
    'dns-01': leChallengeDns
  }
, approveDomains: [ 'example.com' ]
});
```

NOTE: If you request a certificate with 6 domains listed,
it will require 6 individual challenges.

Exposed Methods
---------------

For ACME Challenge:

* `set(opts, domain, challange, keyAuthorization, done)`
* `get(defaults, domain, challenge, done)`
* `remove(defaults, domain, challenge, done)`

Note: `get()` is a no-op for `dns-01`.

For node-letsencrypt internals:

* `getOptions()` returns the internal defaults merged with the user-supplied options
* `loopback(defaults, domain, challange, done)` performs a dns lookup of the txt record
* `test(opts, domain, challange, keyAuthorization, done)` runs set, loopback, remove, loopback