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/*
Copyright 2016 The Kubernetes Authors.
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.
*/
package v1beta1
import (
"crypto/x509"
"encoding/pem"
"errors"
)
// ParseCSR extracts the CSR from the API object and decodes it.
func ParseCSR(obj *CertificateSigningRequest) (*x509.CertificateRequest, error) {
// extract PEM from request object
pemBytes := obj.Spec.Request
block, _ := pem.Decode(pemBytes)
if block == nil || block.Type != "CERTIFICATE REQUEST" {
return nil, errors.New("PEM block type must be CERTIFICATE REQUEST")
}
csr, err := x509.ParseCertificateRequest(block.Bytes)
if err != nil {
return nil, err
}
return csr, nil
}
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