rename ngin to rest

rest/internal/server.go

@@ -0,0 +1,40 @@
+package internal
+
+import (
+	"crypto/tls"
+	"fmt"
+	"net/http"
+)
+
+func StartHttp(host string, port int, handler http.Handler) error {
+	addr := fmt.Sprintf("%s:%d", host, port)
+	server := buildHttpServer(addr, handler)
+	return StartServer(server)
+}
+
+func StartHttps(host string, port int, certFile, keyFile string, handler http.Handler) error {
+	addr := fmt.Sprintf("%s:%d", host, port)
+	if server, err := buildHttpsServer(addr, handler, certFile, keyFile); err != nil {
+		return err
+	} else {
+		return StartServer(server)
+	}
+}
+
+func buildHttpServer(addr string, handler http.Handler) *http.Server {
+	return &http.Server{Addr: addr, Handler: handler}
+}
+
+func buildHttpsServer(addr string, handler http.Handler, certFile, keyFile string) (*http.Server, error) {
+	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		return nil, err
+	}
+
+	config := tls.Config{Certificates: []tls.Certificate{cert}}
+	return &http.Server{
+		Addr:      addr,
+		Handler:   handler,
+		TLSConfig: &config,
+	}, nil
+}