feat: add tls config for mTLS

tlskit/tls_config.go

@@ -0,0 +1,30 @@
+package tlskit
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"os"
+)
+
+func CreateTLSConfiguration(certFile, keyFile, caFile string, verifyTLS bool) (*tls.Config, error) {
+	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		return nil, err
+	}
+
+	caCert, err := os.ReadFile(caFile)
+	if err != nil {
+		return nil, err
+	}
+
+	caCertPool := x509.NewCertPool()
+	caCertPool.AppendCertsFromPEM(caCert)
+
+	conf := &tls.Config{
+		Certificates:       []tls.Certificate{cert},
+		RootCAs:            caCertPool,
+		InsecureSkipVerify: verifyTLS,
+	}
+
+	return conf, nil
+}