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/*
* ============LICENSE_START=======================================================
* oom-certservice-k8s-external-provider
* ================================================================================
* Copyright (c) 2019 Smallstep Labs, Inc.
* Modifications copyright (C) 2020 Nokia. All rights reserved.
* ================================================================================
* This source code was copied from the following git repository:
* https://github.com/smallstep/step-issuer
* The source code was modified for usage in the ONAP project.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package cmpv2provisioner
import (
"context"
"sync"
certmanager "github.com/jetstack/cert-manager/pkg/apis/certmanager/v1"
"k8s.io/apimachinery/pkg/types"
ctrl "sigs.k8s.io/controller-runtime"
"onap.org/oom-certservice/k8s-external-provider/src/certserviceclient"
"onap.org/oom-certservice/k8s-external-provider/src/cmpv2api"
"onap.org/oom-certservice/k8s-external-provider/src/cmpv2provisioner/csr"
)
var collection = new(sync.Map)
type CertServiceCA struct {
name string
url string
healthEndpoint string
certEndpoint string
caName string
certServiceClient certserviceclient.CertServiceClient
}
func New(cmpv2Issuer *cmpv2api.CMPv2Issuer, certServiceClient certserviceclient.CertServiceClient) (*CertServiceCA, error) {
ca := CertServiceCA{}
ca.name = cmpv2Issuer.Name
ca.url = cmpv2Issuer.Spec.URL
ca.caName = cmpv2Issuer.Spec.CaName
ca.healthEndpoint = cmpv2Issuer.Spec.HealthEndpoint
ca.certEndpoint = cmpv2Issuer.Spec.CertEndpoint
ca.certServiceClient = certServiceClient
log := ctrl.Log.WithName("cmpv2-provisioner")
log.Info("Configuring CA: ", "name", ca.name, "url", ca.url, "caName", ca.caName, "healthEndpoint", ca.healthEndpoint, "certEndpoint", ca.certEndpoint)
return &ca, nil
}
func (ca *CertServiceCA) CheckHealth() error {
log := ctrl.Log.WithName("cmpv2-provisioner")
log.Info("Checking health of CMPv2 issuer: ", "name", ca.name)
return ca.certServiceClient.CheckHealth()
}
func Load(namespacedName types.NamespacedName) (*CertServiceCA, bool) {
provisioner, ok := collection.Load(namespacedName)
if !ok {
return nil, ok
}
certServiceCAprovisioner, ok := provisioner.(*CertServiceCA)
return certServiceCAprovisioner, ok
}
func Store(namespacedName types.NamespacedName, provisioner *CertServiceCA) {
collection.Store(namespacedName, provisioner)
}
func (ca *CertServiceCA) Sign(
ctx context.Context,
certificateRequest *certmanager.CertificateRequest,
privateKeyBytes []byte,
) (signedCertificateChain []byte, trustedCertificates []byte, err error) {
log := ctrl.Log.WithName("certservice-provisioner")
log.Info("Signing certificate: ", "cert-name", certificateRequest.Name)
log.Info("CA: ", "name", ca.name, "url", ca.url)
csrBytes := certificateRequest.Spec.Request
log.Info("Csr PEM: ", "bytes", csrBytes)
filteredCsrBytes, err := csr.FilterFieldsFromCSR(csrBytes, privateKeyBytes)
if err != nil {
return nil, nil, err
}
response, err := ca.certServiceClient.GetCertificates(filteredCsrBytes, privateKeyBytes)
if err != nil {
return nil, nil, err
}
log.Info("Successfully received response from CertService API")
log.Info("Certificate Chain", "cert-chain", response.CertificateChain)
log.Info("Trusted Certificates", "trust-certs", response.TrustedCertificates)
log.Info("Start parsing response")
signedCertificateChain, trustedCertificates, signErr := parseResponseToBytes(response)
if signErr != nil {
log.Error(signErr, "Cannot parse response from CertService API")
return nil, nil, signErr
}
log.Info("Successfully signed: ", "cert-name", certificateRequest.Name)
//TODO Debug level or skip
log.Info("Signed cert PEM: ", "bytes", signedCertificateChain)
log.Info("Trusted CA PEM: ", "bytes", trustedCertificates)
return signedCertificateChain, trustedCertificates, nil
}
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