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			115 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			4.2 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 = '/srv/www/';
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var path = require('path');
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var fs = require('fs');
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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: '~/.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:'jon@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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// [SECURITY]
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// Since v2.4.0+ Greenlock proactively protects against
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// SQL injection and timing attacks by rejecting invalid domain names,
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// but it's up to you to make sure that you accept opts.domain BEFORE
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// an attempt is made to issue a certificate for it.
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function myApproveDomains(opts, certs, cb) {
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  // In this example the filesystem is our "database".
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  // We check in /srv/www/ for opts.domain (i.e. "example.com") and only proceed if it exists.
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  console.log(opts.domain);
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  // Check that the hosting domain exists on the file system.
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  var hostdir = path.join(srv, opts.domain);
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  fs.readdir(hostdir, function (err, nodes) {
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    var e;
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    if (err || !nodes) {
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      e = new Error("rejecting '" + opts.domains[0] + "' because '" + hostdir + "' could not be read");
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      console.error(e);
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      console.error(err);
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      cb(e);
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      return;
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    }
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    // You could put a variety of configuration details alongside the vhost folder
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    // For example, /srv/www/example.com.json could describe the following:
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    // If you have multiple domains grouped together, you can list them on the same certificate
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    // opts.domains = [ 'example.com', 'www.example.com', 'api.example.com', 'sso.example.com' ]
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    // You can also change other options on-the-fly
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    // (approveDomains is called after the in-memory certificates cache is checked, but before any ACME requests)
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    // opts.email = "jon@example.com"
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    // opts.agreeTos = true;
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    // opts.challengeType = 'http-01';
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    // opts.challenge = require('le-challenge-fs').create({});
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    cb(null, { options: opts, certs: certs });
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  });
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}
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// [SECURITY]
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// Since v2.4.0+ Greenlock Express will proactively protect against
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// SQL injection and timing attacks by rejecting invalid domain names
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// in Host headers.
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// It will also make them lowercase and protect against "domain fronting".
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// However, it's up to you to make sure you actually have a domain to serve :)
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var servers = {};
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function myVhostApp(req, res) {
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  var hostname = req.headers.host;
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  var srvpath = path.join(srv, hostname);
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  console.log('vhost for', req.headers.host);
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  if (!servers[hostname]) {
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    try {
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      fs.accessSync(srvpath);
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      servers[hostname] = serveStatic(srvpath, { redirect: true });
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    } catch(e) {
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      finalhandler(req, res);
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    }
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  }
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  servers[hostname](req, res, finalhandler(req, res));
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}
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