107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
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// Copyright © 2016 Abcum Ltd
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package cli
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import (
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"fmt"
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"io/ioutil"
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"crypto/rand"
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"github.com/spf13/cobra"
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"github.com/abcum/surreal/log"
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)
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type certSignatureOptions struct {
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Out struct {
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Pub string
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Prv string
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}
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}
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var certSignatureOpt *certSignatureOptions
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var certSignatureCmd = &cobra.Command{
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Use: "signature",
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Short: "Create a new authentication token certificate and key.",
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Example: " surreal cert signature --out-pri crt/signature.key --out-pub crt/signature.pub",
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PreRunE: func(cmd *cobra.Command, args []string) error {
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if len(certSignatureOpt.Out.Pub) == 0 {
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return fmt.Errorf("Please provide a public key file path.")
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}
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if len(certSignatureOpt.Out.Prv) == 0 {
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return fmt.Errorf("Please provide a private key file path.")
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}
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return nil
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},
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RunE: func(cmd *cobra.Command, args []string) error {
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var enc []byte
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key, err := rsa.GenerateKey(rand.Reader, 4096)
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if err != nil {
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return fmt.Errorf("Signature generation failed: %#v", err)
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}
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prv := x509.MarshalPKCS1PrivateKey(key)
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pub, err := x509.MarshalPKIXPublicKey(&key.PublicKey)
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if err != nil {
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return fmt.Errorf("Signature generation failed: %#v", err)
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}
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enc = pem.EncodeToMemory(&pem.Block{
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Type: "PUBLIC KEY",
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Bytes: pub,
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})
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log.Printf("Saving public key file into %v...", certSignatureOpt.Out.Pub)
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if err := ioutil.WriteFile(certSignatureOpt.Out.Pub, enc, 0644); err != nil {
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return fmt.Errorf("Unable to write public key file to %v: %#v", certSignatureOpt.Out.Pub, err)
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}
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enc = pem.EncodeToMemory(&pem.Block{
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Type: "RSA PRIVATE KEY",
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Bytes: prv,
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})
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log.Printf("Saving private key file into %v...", certSignatureOpt.Out.Prv)
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if err := ioutil.WriteFile(certSignatureOpt.Out.Prv, enc, 0644); err != nil {
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return fmt.Errorf("Unable to write private key file to %v: %#v", certSignatureOpt.Out.Prv, err)
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}
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return nil
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},
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}
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func init() {
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certSignatureOpt = &certSignatureOptions{}
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certSignatureCmd.PersistentFlags().StringVar(&certSignatureOpt.Out.Pub, "out-pub", "", "The path destination for the public key file.")
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certSignatureCmd.PersistentFlags().StringVar(&certSignatureOpt.Out.Prv, "out-pri", "", "The path destination for the private key file.")
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}
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