SSL frontend fixes #66

tests/traefik.crt

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

tests/traefik.key

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

traefik.go

@@ -1,8 +1,8 @@
 package main
 
 import (
+	"crypto/tls"
 	fmtlog "log"
-	"net"
 	"net/http"
 	"net/url"
 	"os"
@@ -141,7 +141,10 @@ func main() {
 					currentConfigurations = newConfigurations
 					configurationRouter = newConfigurationRouter
 					oldServer := srv
-					newsrv := prepareServer(configurationRouter, globalConfiguration, oldServer, loggerMiddleware, metrics)
+					newsrv, err := prepareServer(configurationRouter, globalConfiguration, oldServer, loggerMiddleware, metrics)
+					if err != nil {
+						log.Fatal("Error preparing server: ", err)
+					}
 					go startServer(newsrv, globalConfiguration)
 					srv = newsrv
 					time.Sleep(1 * time.Second)
@@ -208,36 +211,54 @@ func main() {
 
 	//negroni.Use(middlewares.NewCircuitBreaker(oxyLogger))
 	//negroni.Use(middlewares.NewRoutes(configurationRouter))
-	srv = prepareServer(configurationRouter, globalConfiguration, nil, loggerMiddleware, metrics)
+
+	var er error
+	srv, er = prepareServer(configurationRouter, globalConfiguration, nil, loggerMiddleware, metrics)
+	if er != nil {
+		log.Fatal("Error preparing server: ", er)
+	}
 	go startServer(srv, globalConfiguration)
 
 	<-stopChan
 	log.Info("Shutting down")
 }
 
+func createTLSConfig(certFile string, keyFile string) (*tls.Config, error) {
+	config := &tls.Config{}
+	if config.NextProtos == nil {
+		config.NextProtos = []string{"http/1.1"}
+	}
+
+	var err error
+	config.Certificates = make([]tls.Certificate, 1)
+	if len(certFile) > 0 && len(keyFile) > 0 {
+		config.Certificates[0], err = tls.LoadX509KeyPair(certFile, keyFile)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		return nil, nil
+	}
+	return config, nil
+}
+
 func startServer(srv *manners.GracefulServer, globalConfiguration *GlobalConfiguration) {
 	log.Info("Starting server")
 	if len(globalConfiguration.CertFile) > 0 && len(globalConfiguration.KeyFile) > 0 {
 		err := srv.ListenAndServeTLS(globalConfiguration.CertFile, globalConfiguration.KeyFile)
 		if err != nil {
-			netOpError, ok := err.(*net.OpError)
-			if ok && netOpError.Err.Error() != "use of closed network connection" {
-				log.Fatal("Error creating server: ", err)
-			}
+			log.Fatal("Error creating server: ", err)
 		}
 	} else {
 		err := srv.ListenAndServe()
 		if err != nil {
-			netOpError, ok := err.(*net.OpError)
-			if ok && netOpError.Err.Error() != "use of closed network connection" {
-				log.Fatal("Error creating server: ", err)
-			}
+			log.Fatal("Error creating server: ", err)
 		}
 	}
 	log.Info("Server stopped")
 }
 
-func prepareServer(router *mux.Router, globalConfiguration *GlobalConfiguration, oldServer *manners.GracefulServer, middlewares ...negroni.Handler) *manners.GracefulServer {
+func prepareServer(router *mux.Router, globalConfiguration *GlobalConfiguration, oldServer *manners.GracefulServer, middlewares ...negroni.Handler) (*manners.GracefulServer, error) {
 	log.Info("Preparing server")
 	// middlewares
 	var negroni = negroni.New()
@@ -245,23 +266,29 @@ func prepareServer(router *mux.Router, globalConfiguration *GlobalConfiguration,
 		negroni.Use(middleware)
 	}
 	negroni.UseHandler(router)
+	tlsConfig, err := createTLSConfig(globalConfiguration.CertFile, globalConfiguration.KeyFile)
+	if err != nil {
+		log.Fatalf("Error creating TLS config %s", err)
+		return nil, err
+	}
 
 	if oldServer == nil {
 		return manners.NewWithServer(
 			&http.Server{
-				Addr:    globalConfiguration.Port,
-				Handler: negroni,
-			})
+				Addr:      globalConfiguration.Port,
+				Handler:   negroni,
+				TLSConfig: tlsConfig,
+			}), nil
 	} else {
 		server, err := oldServer.HijackListener(&http.Server{
 			Addr:    globalConfiguration.Port,
 			Handler: negroni,
-		}, nil)
+		}, tlsConfig)
 		if err != nil {
 			log.Fatalf("Error hijacking server %s", err)
-			return nil
+			return nil, err
 		} else {
-			return server
+			return server, nil
 		}
 	}
 }