Golang core.SerialToString函數代碼示例

func TestStoreResponseGuard(t *testing.T) {
	updater, sa, _, _, cleanUp := setup(t)
	defer cleanUp()

	reg := satest.CreateWorkingRegistration(t, sa)
	parsedCert, err := core.LoadCert("test-cert.pem")
	test.AssertNotError(t, err, "Couldn't read test certificate")
	_, err = sa.AddCertificate(parsedCert.Raw, reg.ID)
	test.AssertNotError(t, err, "Couldn't add www.eff.org.der")

	status, err := sa.GetCertificateStatus(core.SerialToString(parsedCert.SerialNumber))
	test.AssertNotError(t, err, "Failed to get certificate status")

	status.OCSPResponse = []byte{0}
	err = updater.storeResponse(&status, core.OCSPStatusRevoked)
	test.AssertNotError(t, err, "Failed to update certificate status")

	unchangedStatus, err := sa.GetCertificateStatus(core.SerialToString(parsedCert.SerialNumber))
	test.AssertNotError(t, err, "Failed to get certificate status")
	test.AssertEquals(t, len(unchangedStatus.OCSPResponse), 0)

	err = updater.storeResponse(&status, core.OCSPStatusGood)
	test.AssertNotError(t, err, "Failed to updated certificate status")

	changedStatus, err := sa.GetCertificateStatus(core.SerialToString(parsedCert.SerialNumber))
	test.AssertNotError(t, err, "Failed to get certificate status")
	test.AssertEquals(t, len(changedStatus.OCSPResponse), 1)
}

func checkDER(sai core.StorageAuthority, der []byte) error {
	cert, err := x509.ParseCertificate(der)
	if err != nil {
		return fmt.Errorf("Failed to parse DER: %s", err)
	}
	_, err = sai.GetCertificate(core.SerialToString(cert.SerialNumber))
	if err == nil {
		return fmt.Errorf("Existing certificate found with serial %s", core.SerialToString(cert.SerialNumber))
	}
	if _, ok := err.(core.NotFoundError); ok {
		return nil
	}
	return fmt.Errorf("Existing certificate lookup failed: %s", err)
}

// Response is called by the HTTP server to handle a new OCSP request.
func (src *DBSource) Response(req *ocsp.Request) (response []byte, present bool) {
	log := blog.GetAuditLogger()

	// Check that this request is for the proper CA
	if bytes.Compare(req.IssuerKeyHash, src.caKeyHash) != 0 {
		log.Debug(fmt.Sprintf("Request intended for CA Cert ID: %s", hex.EncodeToString(req.IssuerKeyHash)))
		present = false
		return
	}

	serialString := core.SerialToString(req.SerialNumber)
	log.Debug(fmt.Sprintf("Searching for OCSP issued by us for serial %s", serialString))

	var ocspResponse core.OCSPResponse
	err := src.dbMap.SelectOne(&ocspResponse, "SELECT * from ocspResponses WHERE serial = :serial  ORDER BY createdAt DESC LIMIT 1;",
		map[string]interface{}{"serial": serialString})
	if err != nil {
		present = false
		return
	}

	log.Info(fmt.Sprintf("OCSP Response sent for CA=%s, Serial=%s", hex.EncodeToString(src.caKeyHash), serialString))

	response = ocspResponse.Response
	present = true
	return
}

// RevokeCertificateWithReg terminates trust in the certificate provided.
func (ra *RegistrationAuthorityImpl) RevokeCertificateWithReg(cert x509.Certificate, revocationCode core.RevocationCode, regID int64) (err error) {
	serialString := core.SerialToString(cert.SerialNumber)
	err = ra.SA.MarkCertificateRevoked(serialString, revocationCode)

	state := "Failure"
	defer func() {
		// AUDIT[ Revocation Requests ] 4e85d791-09c0-4ab3-a837-d3d67e945134
		// Needed:
		//   Serial
		//   CN
		//   DNS names
		//   Revocation reason
		//   Registration ID of requester
		//   Error (if there was one)
		ra.log.Audit(fmt.Sprintf(
			"%s, Request by registration ID: %d",
			revokeEvent(state, serialString, cert.Subject.CommonName, cert.DNSNames, revocationCode),
			regID,
		))
	}()

	if err != nil {
		state = fmt.Sprintf("Failure -- %s", err)
		return err
	}

	state = "Success"
	return nil
}

// Response is called by the HTTP server to handle a new OCSP request.
func (src *DBSource) Response(req *ocsp.Request) ([]byte, bool) {
	// Check that this request is for the proper CA
	if bytes.Compare(req.IssuerKeyHash, src.caKeyHash) != 0 {
		src.log.Debug(fmt.Sprintf("Request intended for CA Cert ID: %s", hex.EncodeToString(req.IssuerKeyHash)))
		return nil, false
	}

	serialString := core.SerialToString(req.SerialNumber)
	src.log.Debug(fmt.Sprintf("Searching for OCSP issued by us for serial %s", serialString))

	var response []byte
	defer func() {
		if len(response) != 0 {
			src.log.Info(fmt.Sprintf("OCSP Response sent for CA=%s, Serial=%s", hex.EncodeToString(src.caKeyHash), serialString))
		}
	}()
	err := src.dbMap.SelectOne(
		&response,
		"SELECT ocspResponse FROM certificateStatus WHERE serial = :serial",
		map[string]interface{}{"serial": serialString},
	)
	if err != nil && err != sql.ErrNoRows {
		src.log.Err(fmt.Sprintf("Failed to retrieve response from certificateStatus table: %s", err))
	}
	if err != nil {
		return nil, false
	}

	return response, true
}

// GenerateOCSP produces a new OCSP response and returns it
func (ca *CertificateAuthorityImpl) GenerateOCSP(ctx context.Context, xferObj core.OCSPSigningRequest) ([]byte, error) {
	cert, err := x509.ParseCertificate(xferObj.CertDER)
	if err != nil {
		// AUDIT[ Error Conditions ] 9cc4d537-8534-4970-8665-4b382abe82f3
		ca.log.AuditErr(err)
		return nil, err
	}

	signRequest := ocsp.SignRequest{
		Certificate: cert,
		Status:      xferObj.Status,
		Reason:      int(xferObj.Reason),
		RevokedAt:   xferObj.RevokedAt,
	}

	cn := cert.Issuer.CommonName
	issuer := ca.issuers[cn]
	if issuer == nil {
		return nil, fmt.Errorf("This CA doesn't have an issuer cert with CommonName %q", cn)
	}

	err = cert.CheckSignatureFrom(issuer.cert)
	if err != nil {
		return nil, fmt.Errorf("GenerateOCSP was asked to sign OCSP for cert "+
			"%s from %q, but the cert's signature was not valid: %s.",
			core.SerialToString(cert.SerialNumber), cn, err)
	}

	ocspResponse, err := issuer.ocspSigner.Sign(signRequest)
	ca.noteSignError(err)
	return ocspResponse, err
}

// SubmitToCT will submit the certificate represented by certDER to any CT
// logs configured in pub.CT.Logs
func (pub *PublisherImpl) SubmitToCT(der []byte) error {
	cert, err := x509.ParseCertificate(der)
	if err != nil {
		pub.log.Err(fmt.Sprintf("Unable to parse certificate, %s", err))
		return err
	}

	submission := ctSubmissionRequest{Chain: []string{base64.StdEncoding.EncodeToString(cert.Raw)}}
	// Add all intermediate certificates needed for submission
	submission.Chain = append(submission.Chain, pub.issuerBundle...)
	jsonSubmission, err := json.Marshal(submission)
	if err != nil {
		pub.log.Err(fmt.Sprintf("Unable to marshal CT submission, %s", err))
		return err
	}

	for _, ctLog := range pub.ctLogs {
		err = pub.submitToCTLog(core.SerialToString(cert.SerialNumber), jsonSubmission, ctLog)
		if err != nil {
			// AUDIT[ Error Conditions ] 9cc4d537-8534-4970-8665-4b382abe82f3
			pub.log.AuditErr(err)
			continue
		}
	}

	return nil
}

// AdministrativelyRevokeCertificate terminates trust in the certificate provided and
// does not require the registration ID of the requester since this method is only
// called from the admin-revoker tool.
func (ra *RegistrationAuthorityImpl) AdministrativelyRevokeCertificate(cert x509.Certificate, revocationCode core.RevocationCode, user string) error {
	serialString := core.SerialToString(cert.SerialNumber)
	err := ra.SA.MarkCertificateRevoked(serialString, revocationCode)

	state := "Failure"
	defer func() {
		// AUDIT[ Revocation Requests ] 4e85d791-09c0-4ab3-a837-d3d67e945134
		// Needed:
		//   Serial
		//   CN
		//   DNS names
		//   Revocation reason
		//   Name of admin-revoker user
		//   Error (if there was one)
		ra.log.Audit(fmt.Sprintf(
			"%s, admin-revoker user: %s",
			revokeEvent(state, serialString, cert.Subject.CommonName, cert.DNSNames, revocationCode),
			user,
		))
	}()

	if err != nil {
		state = fmt.Sprintf("Failure -- %s", err)
		return err
	}

	state = "Success"
	ra.stats.Inc("RA.RevokedCertificates", 1, 1.0)
	return nil
}

// AdministrativelyRevokeCertificate terminates trust in the certificate provided and
// does not require the registration ID of the requester since this method is only
// called from the admin-revoker tool.
func (ra *RegistrationAuthorityImpl) AdministrativelyRevokeCertificate(ctx context.Context, cert x509.Certificate, revocationCode revocation.Reason, user string) error {
	serialString := core.SerialToString(cert.SerialNumber)
	err := ra.SA.MarkCertificateRevoked(ctx, serialString, revocationCode)

	state := "Failure"
	defer func() {
		// Needed:
		//   Serial
		//   CN
		//   DNS names
		//   Revocation reason
		//   Name of admin-revoker user
		//   Error (if there was one)
		ra.log.AuditInfo(fmt.Sprintf(
			"%s, admin-revoker user: %s",
			revokeEvent(state, serialString, cert.Subject.CommonName, cert.DNSNames, revocationCode),
			user,
		))
	}()

	if err != nil {
		state = fmt.Sprintf("Failure -- %s", err)
		return err
	}

	state = "Success"
	ra.stats.Inc("RevokedCertificates", 1)
	return nil
}

func BenchmarkCheckCert(b *testing.B) {
	dbMap, err := sa.NewDbMap(dbConnStr)
	if err != nil {
		fmt.Println("Couldn't connect to database")
		return
	}

	checker := newChecker(dbMap)
	testKey, _ := rsa.GenerateKey(rand.Reader, 1024)
	expiry := time.Now().AddDate(0, 0, 1)
	serial := big.NewInt(1337)
	rawCert := x509.Certificate{
		Subject: pkix.Name{
			CommonName: "example.com",
		},
		NotAfter:     expiry,
		DNSNames:     []string{"example-a.com"},
		SerialNumber: serial,
	}
	certDer, _ := x509.CreateCertificate(rand.Reader, &rawCert, &rawCert, &testKey.PublicKey, testKey)
	cert := core.Certificate{
		Status:  core.StatusValid,
		Serial:  core.SerialToString(serial),
		Digest:  core.Fingerprint256(certDer),
		DER:     certDer,
		Issued:  time.Now(),
		Expires: expiry,
	}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		checker.checkCert(cert)
	}
}

func TestRevoke(t *testing.T) {
	cadb, storageAuthority, caConfig := setup(t)
	ca, err := NewCertificateAuthorityImpl(cadb, caConfig, caCertFile)
	test.AssertNotError(t, err, "Failed to create CA")
	if err != nil {
		return
	}
	ca.SA = storageAuthority
	ca.MaxKeySize = 4096

	csrDER, _ := hex.DecodeString(CNandSANCSRhex)
	csr, _ := x509.ParseCertificateRequest(csrDER)
	certObj, err := ca.IssueCertificate(*csr, 1, FarFuture)
	test.AssertNotError(t, err, "Failed to sign certificate")
	if err != nil {
		return
	}
	cert, err := x509.ParseCertificate(certObj.DER)
	test.AssertNotError(t, err, "Certificate failed to parse")
	serialString := core.SerialToString(cert.SerialNumber)
	err = ca.RevokeCertificate(serialString, 0)
	test.AssertNotError(t, err, "Revocation failed")

	status, err := storageAuthority.GetCertificateStatus(serialString)
	test.AssertNotError(t, err, "Failed to get cert status")

	test.AssertEquals(t, status.Status, core.OCSPStatusRevoked)
	test.Assert(t, time.Now().Sub(status.OCSPLastUpdated) > time.Second,
		fmt.Sprintf("OCSP LastUpdated was wrong: %v", status.OCSPLastUpdated))
}

func TestRevoke(t *testing.T) {
	ctx := setup(t)
	defer ctx.cleanUp()
	ca, err := NewCertificateAuthorityImpl(ctx.caDB, ctx.caConfig, caCertFile)
	test.AssertNotError(t, err, "Failed to create CA")
	if err != nil {
		return
	}
	ca.SA = ctx.sa
	ca.MaxKeySize = 4096

	csrDER, _ := hex.DecodeString(CNandSANCSRhex)
	csr, _ := x509.ParseCertificateRequest(csrDER)
	certObj, err := ca.IssueCertificate(*csr, ctx.reg.ID, FarFuture)
	test.AssertNotError(t, err, "Failed to sign certificate")
	if err != nil {
		return
	}
	cert, err := x509.ParseCertificate(certObj.DER)
	test.AssertNotError(t, err, "Certificate failed to parse")
	serialString := core.SerialToString(cert.SerialNumber)
	err = ca.RevokeCertificate(serialString, 0)
	test.AssertNotError(t, err, "Revocation failed")

	status, err := ctx.sa.GetCertificateStatus(serialString)
	test.AssertNotError(t, err, "Failed to get cert status")

	test.AssertEquals(t, status.Status, core.OCSPStatusRevoked)
	secondAgo := time.Now().Add(-time.Second)
	test.Assert(t, status.OCSPLastUpdated.After(secondAgo),
		fmt.Sprintf("OCSP LastUpdated was more than a second old: %v", status.OCSPLastUpdated))
}

func TestGenerateAndStoreOCSPResponse(t *testing.T) {
	updater, sa, _, _, cleanUp := setup(t)
	defer cleanUp()

	reg := satest.CreateWorkingRegistration(t, sa)
	parsedCert, err := core.LoadCert("test-cert.pem")
	test.AssertNotError(t, err, "Couldn't read test certificate")
	_, err = sa.AddCertificate(parsedCert.Raw, reg.ID)
	test.AssertNotError(t, err, "Couldn't add www.eff.org.der")

	status, err := sa.GetCertificateStatus(core.SerialToString(parsedCert.SerialNumber))
	test.AssertNotError(t, err, "Couldn't get the core.CertificateStatus from the database")

	meta, err := updater.generateResponse(status)
	test.AssertNotError(t, err, "Couldn't generate OCSP response")
	err = updater.storeResponse(meta)
	test.AssertNotError(t, err, "Couldn't store certificate status")

	secondMeta, err := updater.generateRevokedResponse(status)
	test.AssertNotError(t, err, "Couldn't generate revoked OCSP response")
	err = updater.storeResponse(secondMeta)
	test.AssertNotError(t, err, "Couldn't store certificate status")

	newStatus, err := sa.GetCertificateStatus(status.Serial)
	test.AssertNotError(t, err, "Couldn't retrieve certificate status")
	test.AssertByteEquals(t, meta.OCSPResponse, newStatus.OCSPResponse)
}

func TestFindStaleOCSPResponses(t *testing.T) {
	updater, sa, _, fc, cleanUp := setup(t)
	defer cleanUp()

	reg := satest.CreateWorkingRegistration(t, sa)
	parsedCert, err := core.LoadCert("test-cert.pem")
	test.AssertNotError(t, err, "Couldn't read test certificate")
	_, err = sa.AddCertificate(parsedCert.Raw, reg.ID)
	test.AssertNotError(t, err, "Couldn't add www.eff.org.der")

	earliest := fc.Now().Add(-time.Hour)
	certs, err := updater.findStaleOCSPResponses(earliest, 10)
	test.AssertNotError(t, err, "Couldn't find certificate")
	test.AssertEquals(t, len(certs), 1)

	status, err := sa.GetCertificateStatus(core.SerialToString(parsedCert.SerialNumber))
	test.AssertNotError(t, err, "Couldn't get the core.Certificate from the database")

	meta, err := updater.generateResponse(status)
	test.AssertNotError(t, err, "Couldn't generate OCSP response")
	err = updater.storeResponse(meta)
	test.AssertNotError(t, err, "Couldn't store OCSP response")

	certs, err = updater.findStaleOCSPResponses(earliest, 10)
	test.AssertNotError(t, err, "Failed to find stale responses")
	test.AssertEquals(t, len(certs), 0)
}

func TestCheckCert(t *testing.T) {
	testKey, _ := rsa.GenerateKey(rand.Reader, 1024)
	checker := newChecker(nil)
	fc := clock.NewFake()
	fc.Add(time.Hour * 24 * 90)
	checker.clock = fc

	issued := checker.clock.Now().Add(-time.Hour * 24 * 45)
	goodExpiry := issued.Add(checkPeriod)
	serial := big.NewInt(1337)
	// Problems
	//   Blacklsited common name
	//   Expiry period is too long
	//   Basic Constraints aren't set
	//   Wrong key usage (none)
	rawCert := x509.Certificate{
		Subject: pkix.Name{
			CommonName: "example.com",
		},
		NotAfter:              goodExpiry.AddDate(0, 0, 1), // Period too long
		DNSNames:              []string{"example-a.com"},
		SerialNumber:          serial,
		BasicConstraintsValid: false,
	}
	brokenCertDer, err := x509.CreateCertificate(rand.Reader, &rawCert, &rawCert, &testKey.PublicKey, testKey)
	test.AssertNotError(t, err, "Couldn't create certificate")
	// Problems
	//   Digest doesn't match
	//   Serial doesn't match
	//   Expiry doesn't match
	cert := core.Certificate{
		Status:  core.StatusValid,
		DER:     brokenCertDer,
		Issued:  issued,
		Expires: goodExpiry.AddDate(0, 0, 2), // Expiration doesn't match
	}

	problems := checker.checkCert(cert)
	test.AssertEquals(t, len(problems), 7)

	// Fix the problems
	rawCert.Subject.CommonName = "example-a.com"
	rawCert.NotAfter = goodExpiry
	rawCert.BasicConstraintsValid = true
	rawCert.ExtKeyUsage = []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth}
	goodCertDer, err := x509.CreateCertificate(rand.Reader, &rawCert, &rawCert, &testKey.PublicKey, testKey)
	test.AssertNotError(t, err, "Couldn't create certificate")
	parsed, err := x509.ParseCertificate(goodCertDer)
	test.AssertNotError(t, err, "Couldn't parse created certificate")
	cert.Serial = core.SerialToString(serial)
	cert.Digest = core.Fingerprint256(goodCertDer)
	cert.DER = goodCertDer
	cert.Expires = parsed.NotAfter
	problems = checker.checkCert(cert)
	test.AssertEquals(t, len(problems), 0)
}