June 2018 Update

Task/HTTPS-Client-authenticated/Go/https-client-authenticated.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"crypto/tls"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+func main() {
+
+	// load key pair
+	cert, err := tls.LoadX509KeyPair(
+		"./client.local.tld/client.local.tld.crt",
+		"./client.local.tld/client.local.tld.key",
+	)
+
+	if err != nil {
+		log.Fatal("Error while loading x509 key pair", err)
+	}
+
+	// Create TLS Config in order to had client certificate
+	tlsConfig := &tls.Config{Certificates: []tls.Certificate{cert}}
+
+	tlsConfig.BuildNameToCertificate()
+	transport := &http.Transport{TLSClientConfig: tlsConfig}
+
+	// create http client with our custom transport with TLS config
+	client := &http.Client{Transport: transport}
+
+	res, err := client.Get("https://www.example.com/")
+	if err != nil {
+		log.Fatal(err)
+	}
+	contents, err := ioutil.ReadAll(res.Body)
+	log.Print(string(contents))
+
+}