86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
/*
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* Copyright 2019 Banco Bilbao Vizcaya Argentaria, S.A.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package user
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import (
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"crypto/tls"
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"crypto/x509"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"github.com/BBVA/kapow/internal/server/user/mux"
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)
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// Server is a singleton that stores the http.Server for the user package
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var Server = http.Server{
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Handler: mux.New(),
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}
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// Run finishes configuring Server and runs ListenAndServe on it
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func Run(bindAddr, certFile, keyFile, cliCaFile string, cliAuth bool) {
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Server = http.Server{
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Addr: bindAddr,
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Handler: mux.New(),
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}
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if (certFile != "") && (keyFile != "") {
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if cliAuth {
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if Server.TLSConfig == nil {
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Server.TLSConfig = &tls.Config{}
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}
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var err error
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Server.TLSConfig.ClientCAs, err = loadCertificatesFromFile(cliCaFile)
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if err != nil {
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log.Fatalf("UserServer failed to load CA certs: %s\n", err)
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} else {
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CAStore := "System store"
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if Server.TLSConfig.ClientCAs != nil {
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CAStore = cliCaFile
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}
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log.Printf("UserServer using CA certs from %s\n", CAStore)
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Server.TLSConfig.ClientAuth = tls.RequireAndVerifyClientCert
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}
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}
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if err := Server.ListenAndServeTLS(certFile, keyFile); err != http.ErrServerClosed {
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log.Fatalf("UserServer failed: %s", err)
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}
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} else {
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if err := Server.ListenAndServe(); err != http.ErrServerClosed {
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log.Fatalf("UserServer failed: %s", err)
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}
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}
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}
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func loadCertificatesFromFile(certFile string) (pool *x509.CertPool, err error) {
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if certFile != "" {
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var caCerts []byte
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caCerts, err = ioutil.ReadFile(certFile)
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if err == nil {
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pool = x509.NewCertPool()
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if !pool.AppendCertsFromPEM(caCerts) {
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err = fmt.Errorf("Invalid certificate file %s", certFile)
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}
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}
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}
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return
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}
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