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