/
fabcaadapter.go
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/
fabcaadapter.go
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/*
Copyright SecureKey Technologies Inc. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package msp
import (
"github.com/pkg/errors"
caapi "github.com/hyperledger/fabric-sdk-go/internal/github.com/hyperledger/fabric-ca/api"
calib "github.com/hyperledger/fabric-sdk-go/internal/github.com/hyperledger/fabric-ca/lib"
"github.com/hyperledger/fabric-sdk-go/pkg/common/providers/core"
"github.com/hyperledger/fabric-sdk-go/pkg/core/config/endpoint"
"github.com/hyperledger/fabric-sdk-go/pkg/msp/api"
)
// fabricCAAdapter translates between SDK lingo and native Fabric CA API
type fabricCAAdapter struct {
config core.Config
cryptoSuite core.CryptoSuite
caClient *calib.Client
}
func newFabricCAAdapter(orgName string, cryptoSuite core.CryptoSuite, config core.Config) (*fabricCAAdapter, error) {
caClient, err := createFabricCAClient(orgName, cryptoSuite, config)
if err != nil {
return nil, err
}
a := &fabricCAAdapter{
config: config,
cryptoSuite: cryptoSuite,
caClient: caClient,
}
return a, nil
}
// Enroll handles enrollment.
func (c *fabricCAAdapter) Enroll(enrollmentID string, enrollmentSecret string) ([]byte, error) {
logger.Debugf("Enrolling user [%s]", enrollmentID)
// TODO add attributes
careq := &caapi.EnrollmentRequest{
CAName: c.caClient.Config.CAName,
Name: enrollmentID,
Secret: enrollmentSecret,
}
caresp, err := c.caClient.Enroll(careq)
if err != nil {
return nil, errors.WithMessage(err, "enroll failed")
}
return caresp.Identity.GetECert().Cert(), nil
}
// Reenroll handles re-enrollment
func (c *fabricCAAdapter) Reenroll(key core.Key, cert []byte) ([]byte, error) {
logger.Debugf("Enrolling user [%s]")
careq := &caapi.ReenrollmentRequest{
CAName: c.caClient.Config.CAName,
}
caidentity, err := c.caClient.NewIdentity(key, cert)
if err != nil {
return nil, errors.WithMessage(err, "failed to create CA signing identity")
}
caresp, err := caidentity.Reenroll(careq)
if err != nil {
return nil, errors.WithMessage(err, "reenroll failed")
}
return caresp.Identity.GetECert().Cert(), nil
}
// Register handles user registration
// key: registrar private key
// cert: registrar enrollment certificate
// request: Registration Request
// Returns Enrolment Secret
func (c *fabricCAAdapter) Register(key core.Key, cert []byte, request *api.RegistrationRequest) (string, error) {
// Contruct request for Fabric CA client
var attributes []caapi.Attribute
for i := range request.Attributes {
attributes = append(attributes, caapi.Attribute{Name: request.
Attributes[i].Key, Value: request.Attributes[i].Value})
}
var req = caapi.RegistrationRequest{
CAName: request.CAName,
Name: request.Name,
Type: request.Type,
MaxEnrollments: request.MaxEnrollments,
Affiliation: request.Affiliation,
Secret: request.Secret,
Attributes: attributes}
registrar, err := c.caClient.NewIdentity(key, cert)
if err != nil {
return "", errors.Wrap(err, "failed to create CA signing identity")
}
response, err := registrar.Register(&req)
if err != nil {
return "", errors.Wrap(err, "failed to register user")
}
return response.Secret, nil
}
// Revoke handles user revocation.
// key: registrar private key
// cert: registrar enrollment certificate
// request: Revocation Request
func (c *fabricCAAdapter) Revoke(key core.Key, cert []byte, request *api.RevocationRequest) (*api.RevocationResponse, error) {
// Create revocation request
var req = caapi.RevocationRequest{
CAName: request.CAName,
Name: request.Name,
Serial: request.Serial,
AKI: request.AKI,
Reason: request.Reason,
}
registrar, err := c.caClient.NewIdentity(key, cert)
if err != nil {
return nil, errors.Wrap(err, "failed to create CA signing identity")
}
resp, err := registrar.Revoke(&req)
if err != nil {
return nil, errors.Wrap(err, "failed to revoke")
}
var revokedCerts []api.RevokedCert
for i := range resp.RevokedCerts {
revokedCerts = append(
revokedCerts,
api.RevokedCert{
Serial: resp.RevokedCerts[i].Serial,
AKI: resp.RevokedCerts[i].AKI,
})
}
return &api.RevocationResponse{
RevokedCerts: revokedCerts,
CRL: resp.CRL,
}, nil
}
func createFabricCAClient(org string, cryptoSuite core.CryptoSuite, config core.Config) (*calib.Client, error) {
// Create new Fabric-ca client without configs
c := &calib.Client{
Config: &calib.ClientConfig{},
}
conf, err := config.CAConfig(org)
if err != nil {
return nil, err
}
if conf == nil {
return nil, errors.Errorf("Orgnization %s have no corresponding CA in the configs", org)
}
//set server CAName
c.Config.CAName = conf.CAName
//set server URL
c.Config.URL = endpoint.ToAddress(conf.URL)
//certs file list
c.Config.TLS.CertFiles, err = config.CAServerCertPaths(org)
if err != nil {
return nil, err
}
// set key file and cert file
c.Config.TLS.Client.CertFile, err = config.CAClientCertPath(org)
if err != nil {
return nil, err
}
c.Config.TLS.Client.KeyFile, err = config.CAClientKeyPath(org)
if err != nil {
return nil, err
}
// get CAClient configs
_, err = config.Client()
if err != nil {
return nil, err
}
//TLS flag enabled/disabled
c.Config.TLS.Enabled = endpoint.IsTLSEnabled(conf.URL)
c.Config.MSPDir = config.CAKeyStorePath()
//Factory opts
c.Config.CSP = cryptoSuite
err = c.Init()
if err != nil {
return nil, errors.Wrap(err, "init failed")
}
return c, nil
}