mirror of https://github.com/k3s-io/k3s
43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package certificate
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import (
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"crypto/x509"
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"encoding/pem"
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"errors"
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certificatesv1beta1 "k8s.io/api/certificates/v1beta1"
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)
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// TODO(yue9944882): Remove this helper package once it's copied to k/api
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// ParseCSR extracts the CSR from the API object and decodes it.
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func ParseCSR(obj *certificatesv1beta1.CertificateSigningRequest) (*x509.CertificateRequest, error) {
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// extract PEM from request object
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pemBytes := obj.Spec.Request
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block, _ := pem.Decode(pemBytes)
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if block == nil || block.Type != "CERTIFICATE REQUEST" {
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return nil, errors.New("PEM block type must be CERTIFICATE REQUEST")
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}
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csr, err := x509.ParseCertificateRequest(block.Bytes)
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if err != nil {
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return nil, err
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}
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return csr, nil
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}
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