forked from hyperledger/fabric-sdk-go
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caclient.go
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/
caclient.go
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/*
Copyright SecureKey Technologies Inc. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package msp
import (
"fmt"
"strings"
"github.com/hyperledger/fabric-sdk-go/pkg/common/logging"
contextApi "github.com/hyperledger/fabric-sdk-go/pkg/common/providers/context"
"github.com/hyperledger/fabric-sdk-go/pkg/common/providers/core"
"github.com/hyperledger/fabric-sdk-go/pkg/common/providers/msp"
"github.com/hyperledger/fabric-sdk-go/pkg/msp/api"
"github.com/pkg/errors"
)
var logger = logging.NewLogger("fabsdk/msp")
// CAClientImpl implements api/msp/CAClient
type CAClientImpl struct {
orgName string
caName string // Currently, an organization can be associated with only one CA
orgMSPID string
cryptoSuite core.CryptoSuite
identityManager msp.IdentityManager
userStore msp.UserStore
adapter *fabricCAAdapter
registrar msp.EnrollCredentials
}
// NewCAClient creates a new CA CAClient instance
func NewCAClient(orgName string, ctx contextApi.Client) (*CAClientImpl, error) {
if orgName == "" {
orgName = ctx.IdentityConfig().Client().Organization
}
if orgName == "" {
return nil, errors.New("organization is missing")
}
netConfig := ctx.EndpointConfig().NetworkConfig()
// viper keys are case insensitive
orgConfig, ok := netConfig.Organizations[strings.ToLower(orgName)]
if !ok {
return nil, errors.New("org config retrieval failed")
}
if len(orgConfig.CertificateAuthorities) == 0 {
return nil, errors.New("no CAs configured")
}
var adapter *fabricCAAdapter
var registrar msp.EnrollCredentials
var err error
// Currently, an organization can be associated with only one CA
caName := orgConfig.CertificateAuthorities[0]
caConfig, ok := ctx.IdentityConfig().CAConfig(orgName)
if ok {
adapter, err = newFabricCAAdapter(orgName, ctx.CryptoSuite(), ctx.IdentityConfig())
if err == nil {
registrar = caConfig.Registrar
} else {
return nil, errors.Wrapf(err, "error initializing CA [%s]", caName)
}
} else {
return nil, errors.Errorf("error initializing CA [%s]", caName)
}
identityManager, ok := ctx.IdentityManager(orgName)
if !ok {
return nil, fmt.Errorf("identity manager not found for organization '%s", orgName)
}
mgr := &CAClientImpl{
orgName: orgName,
caName: caName,
orgMSPID: orgConfig.MSPID,
cryptoSuite: ctx.CryptoSuite(),
identityManager: identityManager,
userStore: ctx.UserStore(),
adapter: adapter,
registrar: registrar,
}
return mgr, nil
}
// Enroll a registered user in order to receive a signed X509 certificate.
// A new key pair is generated for the user. The private key and the
// enrollment certificate issued by the CA are stored in SDK stores.
// They can be retrieved by calling IdentityManager.GetSigningIdentity().
//
// enrollmentID The registered ID to use for enrollment
// enrollmentSecret The secret associated with the enrollment ID
func (c *CAClientImpl) Enroll(request *api.EnrollmentRequest) error {
if c.adapter == nil {
return fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if request.Name == "" {
return errors.New("enrollmentID is required")
}
if request.Secret == "" {
return errors.New("enrollmentSecret is required")
}
// TODO add attributes
cert, err := c.adapter.Enroll(request)
if err != nil {
return errors.Wrap(err, "enroll failed")
}
userData := &msp.UserData{
MSPID: c.orgMSPID,
ID: request.Name,
EnrollmentCertificate: cert,
}
err = c.userStore.Store(userData)
if err != nil {
return errors.Wrap(err, "enroll failed")
}
return nil
}
// CreateIdentity create a new identity with the Fabric CA server. An enrollment secret is returned which can then be used,
// along with the enrollment ID, to enroll a new identity.
// Parameters:
// request holds info about identity
//
// Returns:
// Return identity info including secret
func (c *CAClientImpl) CreateIdentity(request *api.IdentityRequest) (*api.IdentityResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if request == nil {
return nil, errors.New("must provide identity request")
}
// Checke required parameters (ID and affiliation)
if request.ID == "" || request.Affiliation == "" {
return nil, errors.New("ID and affiliation are required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.CreateIdentity(registrar.PrivateKey(), registrar.EnrollmentCertificate(), request)
}
// ModifyIdentity modifies identity with the Fabric CA server.
// Parameters:
// request holds info about identity
//
// Returns:
// Return modified identity info
func (c *CAClientImpl) ModifyIdentity(request *api.IdentityRequest) (*api.IdentityResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if request == nil {
return nil, errors.New("must provide identity request")
}
// Checke required parameters (ID and affiliation)
if request.ID == "" || request.Affiliation == "" {
return nil, errors.New("ID and affiliation are required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.ModifyIdentity(registrar.PrivateKey(), registrar.EnrollmentCertificate(), request)
}
// RemoveIdentity removes identity from the Fabric CA server.
// Parameters:
// request holds info about identity to be removed
//
// Returns:
// Return removed identity info
func (c *CAClientImpl) RemoveIdentity(request *api.RemoveIdentityRequest) (*api.IdentityResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if request == nil {
return nil, errors.New("must provide remove identity request")
}
// Checke required parameters (ID)
if request.ID == "" {
return nil, errors.New("ID is required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.RemoveIdentity(registrar.PrivateKey(), registrar.EnrollmentCertificate(), request)
}
// GetIdentity retrieves identity information.
// Parameters:
// id is required identity id
//
// Returns:
// Returns identity information
func (c *CAClientImpl) GetIdentity(id, caname string) (*api.IdentityResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
// Checke required parameters (ID and affiliation)
if id == "" {
return nil, errors.New("id is required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.GetIdentity(registrar.PrivateKey(), registrar.EnrollmentCertificate(), id, caname)
}
// GetAllIdentities returns all identities that the caller is authorized to see
//
// Returns:
// Response containing identities
func (c *CAClientImpl) GetAllIdentities(caname string) ([]*api.IdentityResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.GetAllIdentities(registrar.PrivateKey(), registrar.EnrollmentCertificate(), caname)
}
// Reenroll an enrolled user in order to obtain a new signed X509 certificate
func (c *CAClientImpl) Reenroll(request *api.ReenrollmentRequest) error {
if c.adapter == nil {
return fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if request.Name == "" {
logger.Info("invalid re-enroll request, missing enrollmentID")
return errors.New("user name missing")
}
user, err := c.identityManager.GetSigningIdentity(request.Name)
if err != nil {
return errors.Wrapf(err, "failed to retrieve user: %s", request.Name)
}
cert, err := c.adapter.Reenroll(user.PrivateKey(), user.EnrollmentCertificate(), request)
if err != nil {
return errors.Wrap(err, "reenroll failed")
}
userData := &msp.UserData{
MSPID: c.orgMSPID,
ID: user.Identifier().ID,
EnrollmentCertificate: cert,
}
err = c.userStore.Store(userData)
if err != nil {
return errors.Wrap(err, "reenroll failed")
}
return nil
}
// Register a User with the Fabric CA
// request: Registration Request
// Returns Enrolment Secret
func (c *CAClientImpl) Register(request *api.RegistrationRequest) (string, error) {
if c.adapter == nil {
return "", fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if c.registrar.EnrollID == "" {
return "", api.ErrCARegistrarNotFound
}
// Validate registration request
if request == nil {
return "", errors.New("registration request is required")
}
if request.Name == "" {
return "", errors.New("request.Name is required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return "", err
}
secret, err := c.adapter.Register(registrar.PrivateKey(), registrar.EnrollmentCertificate(), request)
if err != nil {
return "", errors.Wrap(err, "failed to register user")
}
return secret, nil
}
// Revoke a User with the Fabric CA
// registrar: The User that is initiating the revocation
// request: Revocation Request
func (c *CAClientImpl) Revoke(request *api.RevocationRequest) (*api.RevocationResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if c.registrar.EnrollID == "" {
return nil, api.ErrCARegistrarNotFound
}
// Validate revocation request
if request == nil {
return nil, errors.New("revocation request is required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
resp, err := c.adapter.Revoke(registrar.PrivateKey(), registrar.EnrollmentCertificate(), request)
if err != nil {
return nil, errors.Wrap(err, "failed to revoke")
}
return resp, nil
}
// GetCAInfo returns generic CA information
func (c *CAClientImpl) GetCAInfo() (*api.GetCAInfoResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
return c.adapter.GetCAInfo(c.caName)
}
// GetAffiliation returns information about the requested affiliation
func (c *CAClientImpl) GetAffiliation(affiliation, caname string) (*api.AffiliationResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
// Checke required parameters (affiliation)
if affiliation == "" {
return nil, errors.New("affiliation is required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.GetAffiliation(registrar.PrivateKey(), registrar.EnrollmentCertificate(), affiliation, caname)
}
// GetAllAffiliations returns all affiliations that the caller is authorized to see
func (c *CAClientImpl) GetAllAffiliations(caname string) (*api.AffiliationResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization %s", c.orgName)
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.GetAllAffiliations(registrar.PrivateKey(), registrar.EnrollmentCertificate(), caname)
}
// AddAffiliation adds a new affiliation to the server
func (c *CAClientImpl) AddAffiliation(request *api.AffiliationRequest) (*api.AffiliationResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if request == nil {
return nil, errors.New("must provide affiliation request")
}
// Checke required parameters (Name)
if request.Name == "" {
return nil, errors.New("Name is required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.AddAffiliation(registrar.PrivateKey(), registrar.EnrollmentCertificate(), request)
}
// ModifyAffiliation renames an existing affiliation on the server
func (c *CAClientImpl) ModifyAffiliation(request *api.ModifyAffiliationRequest) (*api.AffiliationResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if request == nil {
return nil, errors.New("must provide affiliation request")
}
// Checke required parameters (Name and NewName)
if request.Name == "" || request.NewName == "" {
return nil, errors.New("Name and NewName are required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.ModifyAffiliation(registrar.PrivateKey(), registrar.EnrollmentCertificate(), request)
}
// RemoveAffiliation removes an existing affiliation from the server
func (c *CAClientImpl) RemoveAffiliation(request *api.AffiliationRequest) (*api.AffiliationResponse, error) {
if c.adapter == nil {
return nil, fmt.Errorf("no CAs configured for organization: %s", c.orgName)
}
if request == nil {
return nil, errors.New("must provide remove affiliation request")
}
// Checke required parameters (Name)
if request.Name == "" {
return nil, errors.New("Name is required")
}
registrar, err := c.getRegistrar(c.registrar.EnrollID, c.registrar.EnrollSecret)
if err != nil {
return nil, err
}
return c.adapter.RemoveAffiliation(registrar.PrivateKey(), registrar.EnrollmentCertificate(), request)
}
func (c *CAClientImpl) getRegistrar(enrollID string, enrollSecret string) (msp.SigningIdentity, error) {
if enrollID == "" {
return nil, api.ErrCARegistrarNotFound
}
registrar, err := c.identityManager.GetSigningIdentity(enrollID)
if err != nil {
if err != msp.ErrUserNotFound {
return nil, err
}
if enrollSecret == "" {
return nil, api.ErrCARegistrarNotFound
}
// Attempt to enroll the registrar
err = c.Enroll(&api.EnrollmentRequest{Name: enrollID, Secret: enrollSecret})
if err != nil {
return nil, err
}
registrar, err = c.identityManager.GetSigningIdentity(enrollID)
if err != nil {
return nil, err
}
}
return registrar, nil
}