Method Read

x/cert/utils/key_pair_manager.go:217–247

(fin ...io.Reader)

}

func (kpm *keyPairManager) Read(fin ...io.Reader) ([]byte, []byte, []byte, error) {
	var pemIn io.Reader
	var closeMe io.ReadCloser

	if len(fin) != 0 {
		if len(fin) != 1 {
			return nil, nil, nil, fmt.Errorf("%w: Read() takes exactly 1 or 0 arguments, not %d", certerrors.ErrCertificate, len(fin))
		}
		pemIn = fin[0]
	}

	if pemIn == nil {
		fopen, err := os.OpenFile(kpm.getKeyPath(), os.O_RDONLY, 0x0)
		if err != nil {
			return nil, nil, nil, fmt.Errorf("could not open certificate PEM file: %w", err)
		}
		closeMe = fopen
		pemIn = fopen
	}

	cert, privKey, pubKey, err := kpm.readImpl(pemIn)

	if closeMe != nil {
		closeErr := closeMe.Close()
		if closeErr != nil {
			return nil, nil, nil, fmt.Errorf("could not close PEM file: %w", closeErr)
		}
	}

	return cert, privKey, pubKey, err
}

func (kpm *keyPairManager) readImpl(fin io.Reader) ([]byte, []byte, []byte, error) {
	buf := &bytes.Buffer{}