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node_impl.go
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node_impl.go
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/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
package crypto
import (
"crypto/ecdsa"
"crypto/x509"
"github.com/op/go-logging"
"github.com/openblockchain/obc-peer/openchain/crypto/utils"
)
// Public Struct
type nodeImpl struct {
isInitialized bool
// Configuration
conf *configuration
// Logging
log *logging.Logger
// keyStore
ks *keyStore
// Certs Pool
rootsCertPool *x509.CertPool
tlsCertPool *x509.CertPool
ecaCertPool *x509.CertPool
tcaCertPool *x509.CertPool
// 48-bytes identifier
id []byte
// Enrollment Certificate and private key
enrollID string
enrollCert *x509.Certificate
enrollPrivKey *ecdsa.PrivateKey
enrollCertHash []byte
// Enrollment Chain
enrollChainKey []byte
// TLS
tlsCert *x509.Certificate
}
func (node *nodeImpl) GetName() string {
return node.conf.name
}
func (node *nodeImpl) isRegistered() bool {
missing, _ := utils.FileMissing(node.conf.getRawsPath(), node.conf.getEnrollmentIDFilename())
return !missing
}
func (node *nodeImpl) register(prefix, name string, pwd []byte, enrollID, enrollPWD string) error {
if node.isInitialized {
node.log.Error("Registering [%s]...done! Initialization already performed", enrollID)
return utils.ErrAlreadyInitialized
}
// Init Conf
if err := node.initConfiguration(prefix, name); err != nil {
log.Error("Failed initiliazing configuration [%s] [%s].", enrollID, err)
return err
}
// Start registration
node.log.Info("Registering [%s]...", enrollID)
if node.isRegistered() {
node.log.Error("Registering [%s]...done! Registration already performed", enrollID)
return utils.ErrAlreadyRegistered
}
// Initialize keystore
node.log.Info("Init keystore...")
err := node.initKeyStore(pwd)
if err != nil {
if err != utils.ErrKeyStoreAlreadyInitialized {
node.log.Error("Keystore already initialized.")
} else {
node.log.Error("Failed initiliazing keystore [%s].", err.Error())
return err
}
}
node.log.Info("Init keystore...done.")
// Register crypto engine
err = node.registerCryptoEngine(enrollID, enrollPWD)
if err != nil {
node.log.Error("Failed registering crypto engine [%s].", err.Error())
return err
}
node.log.Info("Registering [%s]...done!", enrollID)
return nil
}
func (node *nodeImpl) init(prefix, name string, pwd []byte) error {
if node.isInitialized {
node.log.Error("Already initializaed.")
return utils.ErrAlreadyInitialized
}
// Init Conf
if err := node.initConfiguration(prefix, name); err != nil {
return err
}
if !node.isRegistered() {
node.log.Error("Not registered yet.")
return utils.ErrRegistrationRequired
}
// Initialize keystore
node.log.Info("Init keystore...")
err := node.initKeyStore(pwd)
if err != nil {
if err != utils.ErrKeyStoreAlreadyInitialized {
node.log.Error("Keystore already initialized.")
} else {
node.log.Error("Failed initiliazing keystore [%s].", err.Error())
return err
}
}
node.log.Info("Init keystore...done.")
// Init crypto engine
err = node.initCryptoEngine()
if err != nil {
node.log.Error("Failed initiliazing crypto engine [%s].", err.Error())
return err
}
// Initialisation complete
node.isInitialized = true
node.log.Info("Initialization...done.")
return nil
}
func (node *nodeImpl) close() error {
// Close keystore
var err error
if node.ks != nil {
err = node.ks.close()
}
return err
}