Complete tests for softCAS.

This commit is contained in:
Mariano Cano 2020-10-27 18:45:49 -07:00
parent bb4f2aef2f
commit 7aa8a8fe1e

View file

@ -7,16 +7,19 @@ import (
"crypto/rand"
"crypto/x509"
"crypto/x509/pkix"
"fmt"
"io"
"math/big"
"reflect"
"testing"
"time"
"github.com/pkg/errors"
"github.com/smallstep/certificates/cas/apiv1"
"github.com/smallstep/certificates/kms"
kmsapi "github.com/smallstep/certificates/kms/apiv1"
"go.step.sm/crypto/pemutil"
"go.step.sm/crypto/x509util"
"github.com/smallstep/certificates/cas/apiv1"
)
var (
@ -36,6 +39,7 @@ MC4CAQAwBQYDK2VwBCIEII9ZckcrDKlbhZKR0jp820Uz6mOMLFsq2JhI+Tl7WJwH
)
var (
errTest = errors.New("test error")
testIssuer = mustIssuer()
testSigner = mustSigner()
testTemplate = &x509.Certificate{
@ -43,13 +47,83 @@ var (
DNSNames: []string{"test.smallstep.com"},
KeyUsage: x509.KeyUsageDigitalSignature,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth},
PublicKey: mustSigner().Public(),
PublicKey: testSigner.Public(),
SerialNumber: big.NewInt(1234),
}
testRootTemplate = &x509.Certificate{
Subject: pkix.Name{CommonName: "Test Root CA"},
KeyUsage: x509.KeyUsageCRLSign | x509.KeyUsageCertSign,
PublicKey: testSigner.Public(),
BasicConstraintsValid: true,
IsCA: true,
MaxPathLen: 1,
SerialNumber: big.NewInt(1234),
}
testIntermediateTemplate = &x509.Certificate{
Subject: pkix.Name{CommonName: "Test Intermediate CA"},
KeyUsage: x509.KeyUsageCRLSign | x509.KeyUsageCertSign,
PublicKey: testSigner.Public(),
BasicConstraintsValid: true,
IsCA: true,
MaxPathLen: 0,
MaxPathLenZero: true,
SerialNumber: big.NewInt(1234),
}
testNow = time.Now()
testSignedTemplate = mustSign(testTemplate, testNow, testNow.Add(24*time.Hour))
testSignedTemplate = mustSign(testTemplate, testIssuer, testNow, testNow.Add(24*time.Hour))
testSignedRootTemplate = mustSign(testRootTemplate, testRootTemplate, testNow, testNow.Add(24*time.Hour))
testSignedIntermediateTemplate = mustSign(testIntermediateTemplate, testSignedRootTemplate, testNow, testNow.Add(24*time.Hour))
)
type mockKeyManager struct {
signer crypto.Signer
errGetPublicKey error
errCreateKey error
errCreatesigner error
errClose error
}
func (m *mockKeyManager) GetPublicKey(req *kmsapi.GetPublicKeyRequest) (crypto.PublicKey, error) {
signer := testSigner
if m.signer != nil {
signer = m.signer
}
return signer.Public(), m.errGetPublicKey
}
func (m *mockKeyManager) CreateKey(req *kmsapi.CreateKeyRequest) (*kmsapi.CreateKeyResponse, error) {
signer := testSigner
if m.signer != nil {
signer = m.signer
}
return &kmsapi.CreateKeyResponse{
PrivateKey: signer,
PublicKey: signer.Public(),
}, m.errCreateKey
}
func (m *mockKeyManager) CreateSigner(req *kmsapi.CreateSignerRequest) (crypto.Signer, error) {
signer := testSigner
if m.signer != nil {
signer = m.signer
}
return signer, m.errCreatesigner
}
func (m *mockKeyManager) Close() error {
return m.errClose
}
type badSigner struct{}
func (b *badSigner) Public() crypto.PublicKey {
return testSigner.Public()
}
func (b *badSigner) Sign(rand io.Reader, digest []byte, opts crypto.SignerOpts) ([]byte, error) {
return nil, fmt.Errorf("💥")
}
func mockNow(t *testing.T) {
tmp := now
now = func() time.Time {
@ -76,12 +150,12 @@ func mustSigner() crypto.Signer {
return v.(crypto.Signer)
}
func mustSign(template *x509.Certificate, notBefore, notAfter time.Time) *x509.Certificate {
func mustSign(template, parent *x509.Certificate, notBefore, notAfter time.Time) *x509.Certificate {
tmpl := *template
tmpl.NotBefore = notBefore
tmpl.NotAfter = notAfter
tmpl.Issuer = testIssuer.Subject
cert, err := x509util.CreateCertificate(&tmpl, testIssuer, tmpl.PublicKey, testSigner)
tmpl.Issuer = parent.Subject
cert, err := x509util.CreateCertificate(&tmpl, parent, tmpl.PublicKey, testSigner)
if err != nil {
panic(err)
}
@ -343,3 +417,125 @@ func Test_now(t *testing.T) {
t.Errorf("now() = %s, want ~%s", t1, t0)
}
}
func TestSoftCAS_CreateCertificateAuthority(t *testing.T) {
mockNow(t)
type fields struct {
Issuer *x509.Certificate
Signer crypto.Signer
KeyManager kms.KeyManager
}
type args struct {
req *apiv1.CreateCertificateAuthorityRequest
}
tests := []struct {
name string
fields fields
args args
want *apiv1.CreateCertificateAuthorityResponse
wantErr bool
}{
{"ok root", fields{nil, nil, &mockKeyManager{}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.RootCA,
Template: testRootTemplate,
Lifetime: 24 * time.Hour,
}}, &apiv1.CreateCertificateAuthorityResponse{
Name: "Test Root CA",
Certificate: testSignedRootTemplate,
PublicKey: testSignedRootTemplate.PublicKey,
PrivateKey: testSigner,
Signer: testSigner,
}, false},
{"ok intermediate", fields{nil, nil, &mockKeyManager{}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.IntermediateCA,
Template: testIntermediateTemplate,
Lifetime: 24 * time.Hour,
Parent: &apiv1.CreateCertificateAuthorityResponse{
Certificate: testSignedRootTemplate,
Signer: testSigner,
},
}}, &apiv1.CreateCertificateAuthorityResponse{
Name: "Test Intermediate CA",
Certificate: testSignedIntermediateTemplate,
CertificateChain: []*x509.Certificate{testSignedRootTemplate},
PublicKey: testSignedIntermediateTemplate.PublicKey,
PrivateKey: testSigner,
Signer: testSigner,
}, false},
{"fail template", fields{nil, nil, &mockKeyManager{}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.RootCA,
Lifetime: 24 * time.Hour,
}}, nil, true},
{"fail lifetime", fields{nil, nil, &mockKeyManager{}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.RootCA,
Template: testIntermediateTemplate,
}}, nil, true},
{"fail type", fields{nil, nil, &mockKeyManager{}}, args{&apiv1.CreateCertificateAuthorityRequest{
Template: testIntermediateTemplate,
Lifetime: 24 * time.Hour,
}}, nil, true},
{"fail parent", fields{nil, nil, &mockKeyManager{}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.IntermediateCA,
Template: testIntermediateTemplate,
Lifetime: 24 * time.Hour,
}}, nil, true},
{"fail parent.certificate", fields{nil, nil, &mockKeyManager{}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.IntermediateCA,
Template: testIntermediateTemplate,
Lifetime: 24 * time.Hour,
Parent: &apiv1.CreateCertificateAuthorityResponse{
Signer: testSigner,
},
}}, nil, true},
{"fail parent.signer", fields{nil, nil, &mockKeyManager{}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.IntermediateCA,
Template: testIntermediateTemplate,
Lifetime: 24 * time.Hour,
Parent: &apiv1.CreateCertificateAuthorityResponse{
Certificate: testSignedRootTemplate,
},
}}, nil, true},
{"fail createKey", fields{nil, nil, &mockKeyManager{errCreateKey: errTest}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.RootCA,
Template: testIntermediateTemplate,
Lifetime: 24 * time.Hour,
}}, nil, true},
{"fail createSigner", fields{nil, nil, &mockKeyManager{errCreatesigner: errTest}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.RootCA,
Template: testIntermediateTemplate,
Lifetime: 24 * time.Hour,
}}, nil, true},
{"fail sign root", fields{nil, nil, &mockKeyManager{signer: &badSigner{}}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.RootCA,
Template: testIntermediateTemplate,
Lifetime: 24 * time.Hour,
}}, nil, true},
{"fail sign intermediate", fields{nil, nil, &mockKeyManager{}}, args{&apiv1.CreateCertificateAuthorityRequest{
Type: apiv1.IntermediateCA,
Template: testIntermediateTemplate,
Lifetime: 24 * time.Hour,
Parent: &apiv1.CreateCertificateAuthorityResponse{
Certificate: testSignedRootTemplate,
Signer: &badSigner{},
},
}}, nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
c := &SoftCAS{
Issuer: tt.fields.Issuer,
Signer: tt.fields.Signer,
KeyManager: tt.fields.KeyManager,
}
got, err := c.CreateCertificateAuthority(tt.args.req)
if (err != nil) != tt.wantErr {
t.Errorf("SoftCAS.CreateCertificateAuthority() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("SoftCAS.CreateCertificateAuthority() = \n%#v, want \n%#v", got, tt.want)
}
})
}
}