Ejemplo n.º 1
0
// Handle responds to requests for the CA to generate a new private
// key and certificate on behalf of the client. The format for these
// requests is documented in the API documentation.
func (cg *CertGeneratorHandler) Handle(w http.ResponseWriter, r *http.Request) error {
	log.Info("request for CSR")

	req := new(genSignRequest)
	req.Request = csr.New()

	body, err := ioutil.ReadAll(r.Body)
	if err != nil {
		log.Warningf("failed to read request body: %v", err)
		return errors.NewBadRequest(err)
	}

	err = json.Unmarshal(body, req)
	if err != nil {
		log.Warningf("failed to unmarshal request: %v", err)
		return errors.NewBadRequest(err)
	}

	if req.Request == nil {
		log.Warning("empty request received")
		return errors.NewBadRequestString("missing request section")
	}

	if req.Request.CA != nil {
		log.Warningf("request received with CA section")
		return errors.NewBadRequestString("ca section only permitted in initca")
	}

	csr, key, err := cg.generator.ProcessRequest(req.Request)
	if err != nil {
		log.Warningf("failed to process CSR: %v", err)
		// The validator returns a *cfssl/errors.HttpError
		return err
	}

	signReq := signer.SignRequest{
		Request: string(csr),
		Profile: req.Profile,
		Label:   req.Label,
	}

	certBytes, err := cg.signer.Sign(signReq)
	if err != nil {
		log.Warningf("failed to sign request: %v", err)
		return err
	}

	reqSum, err := computeSum(csr)
	if err != nil {
		return errors.NewBadRequest(err)
	}

	certSum, err := computeSum(certBytes)
	if err != nil {
		return errors.NewBadRequest(err)
	}

	var file string
	if req.Format.Type == "pkcs12" {
		var password []byte
		if req.Format.Password != "" {
			password = []byte(req.Format.Password)
		}
		file = pkcs12.ParseAndEncode(key, certBytes, password)
	}

	result := map[string]interface{}{
		"private_key":         string(key),
		"certificate_request": string(csr),
		"certificate":         string(certBytes),
		"format":              file,
		"sums": map[string]Sum{
			"certificate_request": reqSum,
			"certificate":         certSum,
		},
	}

	if len(req.Request.Hosts) == 0 {
		return api.SendResponseWithMessage(w, result, CSRNoHostMessage,
			errors.New(errors.PolicyError, errors.InvalidRequest).ErrorCode)
	}

	return api.SendResponse(w, result)
}
Ejemplo n.º 2
0
// Handle responds to requests for the CA to generate a new private
// key and certificate on behalf of the client. The format for these
// requests is documented in the API documentation.
func (cg *CertGeneratorHandler) Handle(w http.ResponseWriter, r *http.Request) error {
	log.Info("request for CSR")

	req := new(genSignRequest)
	req.Request = csr.New()

	body, err := ioutil.ReadAll(r.Body)
	if err != nil {
		log.Warningf("failed to read request body: %v", err)
		return errors.NewBadRequest(err)
	}
	r.Body.Close()

	err = json.Unmarshal(body, req)
	if err != nil {
		log.Warningf("failed to unmarshal request: %v", err)
		return errors.NewBadRequest(err)
	}

	if req.Request == nil {
		log.Warning("empty request received")
		return errors.NewBadRequestString("missing request section")
	}

	if req.Request.CA != nil {
		log.Warningf("request received with CA section")
		return errors.NewBadRequestString("ca section only permitted in initca")
	}

	csr, key, err := cg.generator.ProcessRequest(req.Request)
	if err != nil {
		log.Warningf("failed to process CSR: %v", err)
		// The validator returns a *cfssl/errors.HttpError
		return err
	}

	signReq := signer.SignRequest{
		Request: string(csr),
		Profile: req.Profile,
		Label:   req.Label,
	}

	certBytes, err := cg.signer.Sign(signReq)
	if err != nil {
		log.Warningf("failed to sign request: %v", err)
		return err
	}

	reqSum, err := computeSum(csr)
	if err != nil {
		return errors.NewBadRequest(err)
	}

	certSum, err := computeSum(certBytes)
	if err != nil {
		return errors.NewBadRequest(err)
	}

	result := map[string]interface{}{
		"private_key":         string(key),
		"certificate_request": string(csr),
		"certificate":         string(certBytes),
		"sums": map[string]Sum{
			"certificate_request": reqSum,
			"certificate":         certSum,
		},
	}

	if req.Bundle {
		if cg.bundler == nil {
			return api.SendResponseWithMessage(w, result, NoBundlerMessage,
				errors.New(errors.PolicyError, errors.InvalidRequest).ErrorCode)
		}

		bundle, err := cg.bundler.BundleFromPEMorDER(certBytes, nil, bundler.Optimal, "")
		if err != nil {
			return err
		}

		result["bundle"] = bundle
	}

	if len(req.Request.Hosts) == 0 {
		return api.SendResponseWithMessage(w, result, CSRNoHostMessage,
			errors.New(errors.PolicyError, errors.InvalidRequest).ErrorCode)
	}

	return api.SendResponse(w, result)
}