greenlock-express.js/examples/production.js

"use strict";

//
// My Secure Server
//
//var greenlock = require('greenlock-express')
var greenlock = require("../").create({
	// Let's Encrypt v2 is ACME draft 11
	// Note: If at first you don't succeed, stop and switch to staging
	// https://acme-staging-v02.api.letsencrypt.org/directory
	server: "https://acme-v02.api.letsencrypt.org/directory",
	version: "draft-11",
	// You MUST have write access to save certs
	configDir: "~/.config/acme/",

	// The previous 'simple' example set these values statically,
	// but this example uses approveDomains() to set them dynamically
	//, email: 'none@see.note.above'
	//, agreeTos: false

	// approveDomains is the right place to check a database for
	// email addresses with domains and agreements and such
	approveDomains: approveDomains,

	app: require("./my-express-app.js"),

	// Get notified of important updates and help me make greenlock better
	communityMember: true

	//, debug: true
});

var server = greenlock.listen(80, 443);

//
// My Secure Database Check
//
function approveDomains(opts, certs, cb) {
	// Only one domain is listed with *automatic* registration via SNI
	// (it's an array because managed registration allows for multiple domains,
	//                                which was the case in the simple example)
	console.log(opts.domains);

	// The domains being approved for the first time are listed in opts.domains
	// Certs being renewed are listed in certs.altnames
	if (certs) {
		opts.domains = [certs.subject].concat(certs.altnames);
	}

	fooCheckDb(opts.domains, function(err, agree, email) {
		if (err) {
			cb(err);
			return;
		}

		// Services SHOULD automatically accept the ToS and use YOUR email
		// Clients MUST NOT accept the ToS without asking the user
		opts.agreeTos = agree;
		opts.email = email;

		// NOTE: you can also change other options such as `challengeType` and `challenge`
		// (this would be helpful if you decided you wanted wildcard support as a domain altname)
		// opts.challengeType = 'http-01';
		// opts.challenge = require('le-challenge-fs').create({});

		cb(null, { options: opts, certs: certs });
	});
}

//
// My User / Domain Database
//
function fooCheckDb(domains, cb) {
	// This is an oversimplified example of how we might implement a check in
	// our database if we have different rules for different users and domains
	var domains = ["example.com", "www.example.com"];
	var userEmail = "john.doe@example.com";
	var userAgrees = true;
	var passCheck = opts.domains.every(function(domain) {
		return -1 !== domains.indexOf(domain);
	});

	if (!passCheck) {
		cb(new Error("domain not allowed"));
	} else {
		cb(null, userAgrees, userEmail);
	}
}