120 lines
4.0 KiB
Go
120 lines
4.0 KiB
Go
/*
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Copyright 2018 The Jetstack cert-manager contributors.
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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 kube
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import (
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"crypto"
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"crypto/rsa"
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"crypto/x509"
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"fmt"
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api "k8s.io/api/core/v1"
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corelisters "k8s.io/client-go/listers/core/v1"
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"github.com/jetstack/cert-manager/pkg/util/errors"
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"github.com/jetstack/cert-manager/pkg/util/pki"
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)
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func GetKeyPair(secretLister corelisters.SecretLister, namespace, name string) (certBytes []byte, keyBytes []byte, err error) {
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secret, err := secretLister.Secrets(namespace).Get(name)
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if err != nil {
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return nil, nil, err
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}
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var ok bool
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certBytes, ok = secret.Data[api.TLSCertKey]
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if !ok {
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return nil, nil, fmt.Errorf("no data for %q in secret '%s/%s'", api.TLSCertKey, namespace, name)
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}
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keyBytes, ok = secret.Data[api.TLSPrivateKeyKey]
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if !ok {
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return nil, nil, fmt.Errorf("no data for %q in secret '%s/%s'", api.TLSCertKey, namespace, name)
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}
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return certBytes, keyBytes, err
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}
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// SecretRSAKeyRef will decode a PKCS1 private key stored in a secret with
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// 'name' in 'namespace'. It will read the private key data from the secret
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// entry with name 'keyName'.
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func SecretRSAKeyRef(secretLister corelisters.SecretLister, namespace, name, keyName string) (*rsa.PrivateKey, error) {
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privateKey, err := SecretTLSKeyRef(secretLister, namespace, name, api.TLSPrivateKeyKey)
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if err != nil {
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return nil, err
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}
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rsaPrivateKey, ok := privateKey.(*rsa.PrivateKey)
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if !ok {
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return nil, fmt.Errorf("data for %q in secret '%s/%s' is not PKCS1 encoded", keyName, namespace, name)
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}
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return rsaPrivateKey, nil
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}
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// SecretRSAKey will decode a PKCS1 private key stored in a secret with
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// 'name' in 'namespace'. It will read the private key data from the secret
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// entry with name 'keyName'.
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func SecretRSAKey(secretLister corelisters.SecretLister, namespace, name string) (*rsa.PrivateKey, error) {
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return SecretRSAKeyRef(secretLister, namespace, name, api.TLSPrivateKeyKey)
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}
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// SecretTLSKeyRef will decode a PKCS1/SEC1 (in effect, a RSA or ECDSA) private key stored in a
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// secret with 'name' in 'namespace'. It will read the private key data from the secret
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// entry with name 'keyName'.
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func SecretTLSKeyRef(secretLister corelisters.SecretLister, namespace, name, keyName string) (crypto.PrivateKey, error) {
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secret, err := secretLister.Secrets(namespace).Get(name)
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if err != nil {
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return nil, err
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}
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keyBytes, ok := secret.Data[keyName]
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if !ok {
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return nil, fmt.Errorf("no data for %q in secret '%s/%s'", keyName, namespace, name)
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}
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key, err := pki.DecodePrivateKeyBytes(keyBytes)
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if err != nil {
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return key, errors.NewInvalidData(err.Error())
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}
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return key, nil
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}
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// SecretTLSKey will decode a PKCS1/SEC1 (in effect, a RSA or ECDSA) private key stored in a
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// secret with 'name' in 'namespace'. It will read the private key data from the secret
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// entry with name 'keyName'.
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func SecretTLSKey(secretLister corelisters.SecretLister, namespace, name string) (crypto.PrivateKey, error) {
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return SecretTLSKeyRef(secretLister, namespace, name, api.TLSPrivateKeyKey)
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}
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func SecretTLSCert(secretLister corelisters.SecretLister, namespace, name string) (*x509.Certificate, error) {
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secret, err := secretLister.Secrets(namespace).Get(name)
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if err != nil {
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return nil, err
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}
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certBytes, ok := secret.Data[api.TLSCertKey]
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if !ok {
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return nil, fmt.Errorf("no data for %q in secret '%s/%s'", api.TLSCertKey, namespace, name)
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}
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cert, err := pki.DecodeX509CertificateBytes(certBytes)
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if err != nil {
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return cert, errors.NewInvalidData(err.Error())
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}
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return cert, nil
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}
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