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fix ca key save issue #340

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merged 1 commit into from
Aug 3, 2023
Merged

fix ca key save issue #340

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21 changes: 14 additions & 7 deletions pkg/certs/mitm.go
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,19 @@ func GetMitMConfig() *mitm.Config {

func SaveCAToFile(filename string) error {
buffer := &bytes.Buffer{}
_ = pem.Encode(buffer, &pem.Block{Type: "CERTIFICATE", Bytes: cert.Raw})
err := pem.Encode(buffer, &pem.Block{Type: "CERTIFICATE", Bytes: cert.Raw})
if err != nil {
return err
}
return os.WriteFile(filename, buffer.Bytes(), 0600)
}

func SaveKeyToFile(filename string) error {
buffer := &bytes.Buffer{}
err := pem.Encode(buffer, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(pkey)})
if err != nil {
return err
}
return os.WriteFile(filename, buffer.Bytes(), 0600)
}

Expand All @@ -58,14 +70,9 @@ func generateCertificate(certFile, keyFile string) error {
if err = SaveCAToFile(certFile); err != nil {
gologger.Fatal().Msgf("failed to save certFile to disk got %v", err)
}
kf, err := os.OpenFile(keyFile, os.O_WRONLY, 0600)
if err != nil {
gologger.Fatal().Msgf("failed to load open %v while saving private key got %v", keyFile, err)
}
if err := pem.Encode(kf, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(pkey)}); err != nil {
if err := SaveKeyToFile(keyFile); err != nil {
gologger.Fatal().Msgf("failed to write private key to file got %v", err)
}
_ = kf.Close()
return nil
}

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