add http2 example

examples/http2.js

@@ -0,0 +1,70 @@
+'use strict';
+
+//var Greenlock = require('greenlock-express')
+var Greenlock = require('../');
+
+var greenlock = Greenlock.create({
+
+  // Let's Encrypt v2 is ACME draft 11
+  version: 'draft-11'
+
+  // You MUST change 'acme-staging-v02' to 'acme-v02' in production
+, server: 'https://acme-staging-v02.api.letsencrypt.org/directory'
+
+  // You MUST change this to a valid email address
+, email: 'jon@example.com'
+
+  // You MUST NOT build clients that accept the ToS without asking the user
+, agreeTos: true
+
+  // You MUST change these to valid domains
+  // NOTE: all domains will validated and listed on the certificate
+, approveDomains: [ 'example.com', 'www.example.com' ]
+
+  // You MUST have access to write to directory where certs are saved
+  // ex: /home/foouser/acme/etc
+, configDir: require('path').join(require('os').homedir(), 'acme', 'etc')
+
+  // Get notified of important updates and help me make greenlock better
+, communityMember: true
+
+//, debug: true
+
+});
+
+
+
+////////////////////////
+// http-01 Challenges //
+////////////////////////
+
+// http-01 challenge happens over http/1.1, not http2
+var redirectHttps = require('redirect-https')();
+var acmeChallengeHandler = greenlock.middleware(redirectHttps);
+require('http').createServer(acmeChallengeHandler).listen(80, function () {
+  console.log("Listening for ACME http-01 challenges on", this.address());
+});
+
+
+
+////////////////////////
+// node.js' http2 api //
+////////////////////////
+
+// http2 is a new API with which you would use hapi or koa, not express
+var server = require('http2').createSecureServer(greenlock.tlsOptions);
+server.on('error', function (err) {
+  console.error(err);
+});
+server.on('stream', function (stream, headers) {
+  console.log(headers);
+  stream.respond({
+    'content-type': 'text/html'
+  , ':status': 200
+  });
+  stream.end('Hello, HTTP2 World!');
+});
+server.on('listening', function () {
+  console.log("Listening for http2 requests on", this.address());
+});
+server.listen(443);