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|
package certinfo
import (
"bytes"
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"math/big"
"strings"
"testing"
"time"
"github.com/cloudflare/cfssl/certdb"
"github.com/cloudflare/cfssl/certdb/sql"
"github.com/cloudflare/cfssl/certdb/testdb"
)
const (
sqliteDBFile = "../certdb/testdb/certstore_development.db"
fakeAKI = "fake_aki"
testSerial = 1337
)
func TestParseSerialNumber(t *testing.T) {
db := testdb.SQLiteDB(sqliteDBFile)
accessor := sql.NewAccessor(db)
certificate, err := createCertificate()
if err != nil {
t.Logf("could not create certificate: %s", err.Error())
t.FailNow()
}
err = accessor.InsertCertificate(
certdb.CertificateRecord{
Serial: big.NewInt(testSerial).String(),
AKI: fakeAKI,
PEM: certificate,
},
)
if err != nil {
t.Log(err.Error())
t.FailNow()
}
cases := []struct {
description string
serial string
aki string
errorShouldContain string
}{
{
description: "no certificate found - wrong serial",
serial: "1",
aki: fakeAKI,
errorShouldContain: "no certificate found",
},
{
description: "no certificate found - wrong AKI",
serial: "123456789",
aki: "1",
errorShouldContain: "no certificate found",
},
{
description: "certificate found",
serial: big.NewInt(testSerial).String(),
aki: fakeAKI,
},
}
for _, tc := range cases {
t.Run(tc.description, func(t *testing.T) {
cert, err := ParseSerialNumber(tc.serial, tc.aki, accessor)
if tc.errorShouldContain != "" {
if cert != nil {
t.Error("no certificate should be returned if error occurs")
}
if err == nil {
t.Error("err expected to not be nil")
return
}
if !strings.Contains(err.Error(), tc.errorShouldContain) {
t.Errorf("expected error to contain '%s' but was '%s'", tc.errorShouldContain, err.Error())
}
return
}
if err != nil {
t.Errorf("expected error to be nil but got '%s'", err.Error())
return
}
if cert.SerialNumber != tc.serial {
t.Errorf("returned certificate doesn't match the serial queried for")
}
})
}
}
func createCertificate() (string, error) {
key, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return "", err
}
cert := &x509.Certificate{
SerialNumber: big.NewInt(testSerial),
Subject: pkix.Name{
Country: []string{"SE"},
Organization: []string{"CFSSL Unit Testing"},
},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(1, 0, 0),
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth},
KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
BasicConstraintsValid: true,
}
certificate, err := x509.CreateCertificate(rand.Reader, cert, cert, &key.PublicKey, key)
if err != nil {
return "", err
}
return certificateToPEMBlock(certificate)
}
func certificateToPEMBlock(cert []byte) (string, error) {
buf := &bytes.Buffer{}
err := pem.Encode(buf, &pem.Block{
Type: "CERTIFICATE",
Bytes: cert,
})
if err != nil {
return "", err
}
return buf.String(), nil
}
|
