grpc-go/internal/testutils/tls_creds.go

77 lines
2.5 KiB
Go

/*
*
* Copyright 2024 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package testutils
import (
"crypto/tls"
"crypto/x509"
"os"
"testing"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/testdata"
)
// CreateClientTLSCredentials creates client-side TLS transport credentials
// using certificate and key files from testdata/x509 directory.
func CreateClientTLSCredentials(t *testing.T) credentials.TransportCredentials {
t.Helper()
cert, err := tls.LoadX509KeyPair(testdata.Path("x509/client1_cert.pem"), testdata.Path("x509/client1_key.pem"))
if err != nil {
t.Fatalf("tls.LoadX509KeyPair(x509/client1_cert.pem, x509/client1_key.pem) failed: %v", err)
}
b, err := os.ReadFile(testdata.Path("x509/server_ca_cert.pem"))
if err != nil {
t.Fatalf("os.ReadFile(x509/server_ca_cert.pem) failed: %v", err)
}
roots := x509.NewCertPool()
if !roots.AppendCertsFromPEM(b) {
t.Fatal("Failed to append certificates")
}
return credentials.NewTLS(&tls.Config{
Certificates: []tls.Certificate{cert},
RootCAs: roots,
ServerName: "x.test.example.com",
})
}
// CreateServerTLSCredentials creates server-side TLS transport credentials
// using certificate and key files from testdata/x509 directory.
func CreateServerTLSCredentials(t *testing.T, clientAuth tls.ClientAuthType) credentials.TransportCredentials {
t.Helper()
cert, err := tls.LoadX509KeyPair(testdata.Path("x509/server1_cert.pem"), testdata.Path("x509/server1_key.pem"))
if err != nil {
t.Fatalf("tls.LoadX509KeyPair(x509/server1_cert.pem, x509/server1_key.pem) failed: %v", err)
}
b, err := os.ReadFile(testdata.Path("x509/client_ca_cert.pem"))
if err != nil {
t.Fatalf("os.ReadFile(x509/client_ca_cert.pem) failed: %v", err)
}
ca := x509.NewCertPool()
if !ca.AppendCertsFromPEM(b) {
t.Fatal("Failed to append certificates")
}
return credentials.NewTLS(&tls.Config{
ClientAuth: clientAuth,
Certificates: []tls.Certificate{cert},
ClientCAs: ca,
})
}