129 lines
4.7 KiB
JavaScript
129 lines
4.7 KiB
JavaScript
#!/usr/bin/env node
|
|
'use strict';
|
|
|
|
///////////////////
|
|
// vhost example //
|
|
///////////////////
|
|
|
|
//
|
|
// virtual hosting example
|
|
//
|
|
|
|
// The prefix where sites go by name.
|
|
// For example: whatever.com may live in /srv/www/whatever.com, thus /srv/www is our path
|
|
var srv = process.argv[3] || '/srv/www/';
|
|
|
|
var path = require('path');
|
|
var fs = require('fs').promises;
|
|
var finalhandler = require('finalhandler');
|
|
var serveStatic = require('serve-static');
|
|
|
|
//var glx = require('greenlock-express')
|
|
var glx = require('./').create({
|
|
|
|
version: 'draft-11' // Let's Encrypt v2 is ACME draft 11
|
|
|
|
, server: 'https://acme-v02.api.letsencrypt.org/directory' // If at first you don't succeed, stop and switch to staging
|
|
// https://acme-staging-v02.api.letsencrypt.org/directory
|
|
|
|
, configDir: process.argv[4] || '~/.config/acme/' // You MUST have access to write to directory where certs
|
|
// are saved. ex: /home/foouser/.config/acme
|
|
|
|
, approveDomains: myApproveDomains // Greenlock's wraps around tls.SNICallback. Check the
|
|
// domain name here and reject invalid ones
|
|
|
|
, app: myVhostApp // Any node-style http app (i.e. express, koa, hapi, rill)
|
|
|
|
/* CHANGE TO A VALID EMAIL */
|
|
, email: process.argv[2] || 'jon.doe@example.com' // Email for Let's Encrypt account and Greenlock Security
|
|
, agreeTos: true // Accept Let's Encrypt ToS
|
|
//, communityMember: true // Join Greenlock to get important updates, no spam
|
|
|
|
//, debug: true
|
|
|
|
});
|
|
|
|
var server = glx.listen(80, 443);
|
|
server.on('listening', function () {
|
|
console.info(server.type + " listening on", server.address());
|
|
});
|
|
|
|
function myApproveDomains(opts, certs, cb) {
|
|
console.log('sni:', opts.domain);
|
|
// In this example the filesystem is our "database".
|
|
// We check in /srv/www for whatever.com and if it exists, it's allowed
|
|
|
|
// SECURITY Greenlock validates opts.domains ahead-of-time so you don't have to
|
|
return checkWwws(opts.domains[0]).then(function () {
|
|
//opts.email = email;
|
|
opts.agreeTos = true;
|
|
cb(null, { options: opts, certs: certs });
|
|
}).catch(cb);
|
|
}
|
|
|
|
function checkWwws(_hostname) {
|
|
if (!_hostname) {
|
|
// SECURITY, don't allow access to the 'srv' root
|
|
// (greenlock-express uses middleware to check '..', etc)
|
|
return '';
|
|
}
|
|
var hostname = _hostname;
|
|
var _hostdir = path.join(srv, hostname);
|
|
var hostdir = _hostdir;
|
|
// TODO could test for www/no-www both in directory
|
|
return fs.readdir(hostdir).then(function () {
|
|
// TODO check for some sort of htaccess.json and use email in that
|
|
// NOTE: you can also change other options such as `challengeType` and `challenge`
|
|
// opts.challengeType = 'http-01';
|
|
// opts.challenge = require('le-challenge-fs').create({});
|
|
return hostname;
|
|
}).catch(function () {
|
|
if ('www.' === hostname.slice(0, 4)) {
|
|
// Assume we'll redirect to non-www if it's available.
|
|
hostname = hostname.slice(4);
|
|
hostdir = path.join(srv, hostname);
|
|
return fs.readdir(hostdir).then(function () {
|
|
// TODO list both domains?
|
|
return hostname;
|
|
});
|
|
} else {
|
|
// Or check and see if perhaps we should redirect non-www to www
|
|
hostname = 'www.' + hostname;
|
|
hostdir = path.join(srv, hostname);
|
|
return fs.readdir(hostdir).then(function () {
|
|
// TODO list both domains?
|
|
return hostname;
|
|
});
|
|
}
|
|
}).catch(function () {
|
|
throw new Error("rejecting '" + _hostname + "' because '" + _hostdir + "' could not be read");
|
|
});
|
|
}
|
|
|
|
function myVhostApp(req, res) {
|
|
// SECURITY greenlock pre-sanitizes hostnames to prevent unauthorized fs access so you don't have to
|
|
// (also: only domains approved above will get here)
|
|
console.log('vhost:', req.headers.host);
|
|
if (!req.headers.host) {
|
|
// SECURITY, don't allow access to the 'srv' root
|
|
// (greenlock-express uses middleware to check '..', etc)
|
|
return res.end();
|
|
}
|
|
|
|
// We could cache wether or not a host exists for some amount of time
|
|
var fin = finalhandler(req, res);
|
|
return checkWwws(req.headers.host).then(function (hostname) {
|
|
if (hostname !== req.headers.host) {
|
|
res.statusCode = 302;
|
|
res.setHeader('Location', 'https://' + hostname);
|
|
// SECURITY this is safe only because greenlock disallows invalid hostnames
|
|
res.end("<!-- redirecting to https://" + hostname + "-->");
|
|
return;
|
|
}
|
|
var serve = serveStatic(path.join(srv, hostname), { redirect: true });
|
|
serve(req, res, fin);
|
|
}).catch(function () {
|
|
fin();
|
|
});
|
|
}
|