Add support for Let's Encrypt

Add configuration and certificate manager to use letsencrypt

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan 2016-06-13 11:30:42 -07:00
parent b3ecf67fa7
commit 9a27ea7323

View file

@ -9,6 +9,8 @@ import (
"os"
"time"
"rsc.io/letsencrypt"
log "github.com/Sirupsen/logrus"
"github.com/Sirupsen/logrus/formatters/logstash"
"github.com/bugsnag/bugsnag-go"
@ -111,11 +113,10 @@ func (registry *Registry) ListenAndServe() error {
return err
}
if config.HTTP.TLS.Certificate != "" {
if config.HTTP.TLS.Certificate != "" || config.HTTP.TLS.LetsEncrypt.CacheFile != "" {
tlsConf := &tls.Config{
ClientAuth: tls.NoClientCert,
NextProtos: []string{"http/1.1"},
Certificates: make([]tls.Certificate, 1),
MinVersion: tls.VersionTLS10,
PreferServerCipherSuites: true,
CipherSuites: []uint16{
@ -130,10 +131,27 @@ func (registry *Registry) ListenAndServe() error {
},
}
if config.HTTP.TLS.LetsEncrypt.CacheFile != "" {
if config.HTTP.TLS.Certificate != "" {
return fmt.Errorf("cannot specify both certificate and Let's Encrypt")
}
var m letsencrypt.Manager
if err := m.CacheFile(config.HTTP.TLS.LetsEncrypt.CacheFile); err != nil {
return err
}
if !m.Registered() {
if err := m.Register(config.HTTP.TLS.LetsEncrypt.Email, nil); err != nil {
return err
}
}
tlsConf.GetCertificate = m.GetCertificate
} else {
tlsConf.Certificates = make([]tls.Certificate, 1)
tlsConf.Certificates[0], err = tls.LoadX509KeyPair(config.HTTP.TLS.Certificate, config.HTTP.TLS.Key)
if err != nil {
return err
}
}
if len(config.HTTP.TLS.ClientCAs) != 0 {
pool := x509.NewCertPool()