Mainflux.mainflux/cli/http.go

77 lines
1.7 KiB
Go

//
// Copyright (c) 2018
// Mainflux
//
// SPDX-License-Identifier: Apache-2.0
//
package cli
import (
"crypto/tls"
"crypto/x509"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"strconv"
"github.com/mainflux/mainflux"
)
const (
defCertsPath = "/src/github.com/mainflux/mainflux/docker/ssl/certs/"
envCertFile = "MF_CERT_FILE"
envKeyFile = "MF_KEY_FILE"
envCaFile = "MF_CA_FILE"
)
var (
httpClient = &http.Client{}
serverAddr = fmt.Sprintf("https://%s", "localhost")
defCertFile = fmt.Sprintf("%s%s%s", os.Getenv("GOPATH"), defCertsPath, "mainflux-server.crt")
defKeyFile = fmt.Sprintf("%s%s%s", os.Getenv("GOPATH"), defCertsPath, "mainflux-server.key")
defCaFile = fmt.Sprintf("%s%s%s", os.Getenv("GOPATH"), defCertsPath, "ca.crt")
)
// SetServerAddr - set addr using host and port
func SetServerAddr(proto string, host string, port int) {
serverAddr = fmt.Sprintf("%s://%s", proto, host)
if port != 0 {
serverAddr = fmt.Sprintf("%s:%s", serverAddr, strconv.Itoa(port))
}
}
func SetCerts() {
// Set certificates paths
certFile := mainflux.Env(envCertFile, defCertFile)
keyFile := mainflux.Env(envKeyFile, defKeyFile)
caFile := mainflux.Env(envCaFile, defCaFile)
// Load client cert
cert, err := tls.LoadX509KeyPair(certFile, keyFile)
if err != nil {
log.Fatal(err)
}
// Load CA cert
caCert, err := ioutil.ReadFile(caFile)
if err != nil {
log.Fatal(err)
}
caCertPool := x509.NewCertPool()
caCertPool.AppendCertsFromPEM(caCert)
// Setup HTTPS client
tlsConfig := &tls.Config{
Certificates: []tls.Certificate{cert},
RootCAs: caCertPool,
}
tlsConfig.BuildNameToCertificate()
transport := &http.Transport{TLSClientConfig: tlsConfig}
httpClient = &http.Client{Transport: transport}
}