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// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package certs_test
import (
"context"
"crypto/tls"
"io"
"os"
"reflect"
"testing"
"time"
"github.com/minio/pkg/v3/certs"
)
func updateCerts(crt, key string) {
// ignore error handling
crtSource, _ := os.Open(crt)
defer crtSource.Close()
crtDest, _ := os.Create("public.crt")
defer crtDest.Close()
io.Copy(crtDest, crtSource)
keySource, _ := os.Open(key)
defer keySource.Close()
keyDest, _ := os.Create("private.key")
defer keyDest.Close()
io.Copy(keyDest, keySource)
}
func TestNewManager(t *testing.T) {
ctx, cancelFn := context.WithCancel(context.Background())
defer cancelFn()
c, err := certs.NewManager(ctx, "public.crt", "private.key", tls.LoadX509KeyPair)
if err != nil {
t.Fatal(err)
}
hello := &tls.ClientHelloInfo{}
gcert, err := c.GetCertificate(hello)
if err != nil {
t.Fatal(err)
}
expectedCert, err := tls.LoadX509KeyPair("public.crt", "private.key")
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(gcert.Certificate, expectedCert.Certificate) {
t.Error("certificate doesn't match expected certificate")
}
_, err = certs.NewManager(ctx, "public.crt", "new-private.key", tls.LoadX509KeyPair)
if err == nil {
t.Fatal("Expected to fail but got success")
}
allCerts := c.GetAllCertificates()
var found bool
for _, cert := range allCerts {
if cert.Issuer.String() != "CN=minio.io,OU=Engineering,O=Minio,L=Redwood City,ST=CA,C=US" {
t.Error("Unexpected cert issuer found")
}
found = true
}
if !found {
t.Error("atleast one public cert is expected")
}
var nilMgr *certs.Manager
if len(nilMgr.GetAllCertificates()) != 0 {
t.Error("no public cert is expected")
}
}
func TestValidPairAfterWrite(t *testing.T) {
ctx, cancelFn := context.WithCancel(context.Background())
defer cancelFn()
expectedCert, err := tls.LoadX509KeyPair("new-public.crt", "new-private.key")
if err != nil {
t.Fatal(err)
}
c, err := certs.NewManager(ctx, "public.crt", "private.key", tls.LoadX509KeyPair)
if err != nil {
t.Fatal(err)
}
updateCerts("new-public.crt", "new-private.key")
defer updateCerts("original-public.crt", "original-private.key")
// Wait for the write event..
time.Sleep(200 * time.Millisecond)
hello := &tls.ClientHelloInfo{}
gcert, err := c.GetCertificate(hello)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(gcert.Certificate, expectedCert.Certificate) {
t.Error("certificate doesn't match expected certificate")
}
rInfo := &tls.CertificateRequestInfo{}
gcert, err = c.GetClientCertificate(rInfo)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(gcert.Certificate, expectedCert.Certificate) {
t.Error("client certificate doesn't match expected certificate")
}
}
func TestNonMatchingCertificate(t *testing.T) {
ctx, cancelFn := context.WithCancel(context.Background())
defer cancelFn()
c, err := certs.NewManager(ctx, "public.crt", "private.key", tls.LoadX509KeyPair)
if err != nil {
t.Fatal(err)
}
err = c.AddCertificate("server.crt", "server.key")
if err != nil {
t.Fatal(err)
}
hello := &tls.ClientHelloInfo{ServerName: "non-matching"}
gcert, err := c.GetCertificate(hello)
if err != nil {
t.Fatal(err)
}
expectedCert, err := tls.LoadX509KeyPair("public.crt", "private.key")
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(gcert.Certificate, expectedCert.Certificate) {
t.Error("certificate doesn't match expected certificate")
}
_, err = certs.NewManager(ctx, "public.crt", "new-private.key", tls.LoadX509KeyPair)
if err == nil {
t.Fatal("Expected to fail but got success")
}
}
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