From 91465d8e6f33af94655abe50be0e38aae9db667c Mon Sep 17 00:00:00 2001
From: xenolf <xenolf@users.noreply.github.com>
Date: Sat, 24 Oct 2015 04:36:54 +0200
Subject: [PATCH] Support for OCSP Stapling. Fixes #280

---
 config/letsencrypt/letsencrypt.go | 3 +++
 server/config.go                  | 1 +
 server/server.go                  | 1 +
 3 files changed, 5 insertions(+)

diff --git a/config/letsencrypt/letsencrypt.go b/config/letsencrypt/letsencrypt.go
index 876691ae..083daa34 100644
--- a/config/letsencrypt/letsencrypt.go
+++ b/config/letsencrypt/letsencrypt.go
@@ -232,6 +232,9 @@ func saveCertsAndKeys(certificates []acme.CertificateResource) error {
 // autoConfigure enables TLS on cfg and appends, if necessary, a new config
 // to allConfigs that redirects plaintext HTTP to its new HTTPS counterpart.
 func autoConfigure(cfg *server.Config, allConfigs []server.Config) []server.Config {
+	bundleBytes, _ := ioutil.ReadFile(storage.SiteCertFile(cfg.Host))
+	ocsp, _ := acme.GetOCSPForCert(bundleBytes)
+	cfg.TLS.OCSPStaple = ocsp
 	cfg.TLS.Certificate = storage.SiteCertFile(cfg.Host)
 	cfg.TLS.Key = storage.SiteKeyFile(cfg.Host)
 	cfg.TLS.Enabled = true
diff --git a/server/config.go b/server/config.go
index dedd7ba3..a3bb5f50 100644
--- a/server/config.go
+++ b/server/config.go
@@ -56,6 +56,7 @@ type TLSConfig struct {
 	Certificate              string
 	Key                      string
 	LetsEncryptEmail         string
+	OCSPStaple               []byte
 	Ciphers                  []uint16
 	ProtocolMinVersion       uint16
 	ProtocolMaxVersion       uint16
diff --git a/server/server.go b/server/server.go
index 24aa92eb..a3c4f92d 100644
--- a/server/server.go
+++ b/server/server.go
@@ -162,6 +162,7 @@ func ListenAndServeTLSWithSNI(srv *http.Server, tlsConfigs []TLSConfig) error {
 	config.Certificates = make([]tls.Certificate, len(tlsConfigs))
 	for i, tlsConfig := range tlsConfigs {
 		config.Certificates[i], err = tls.LoadX509KeyPair(tlsConfig.Certificate, tlsConfig.Key)
+		config.Certificates[i].OCSPStaple = tlsConfig.OCSPStaple
 		if err != nil {
 			return err
 		}