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package gpgbin
import (
"bytes"
"fmt"
"io"
"os/exec"
"strings"
)
// GetPrivateKeyId runs gpg --list-secret-keys s
func GetPrivateKeyId(s string) (string, error) {
private := true
id := getKeyId(s, private)
if id == "" {
return "", fmt.Errorf("no private key found")
}
return id, nil
}
// GetKeyId runs gpg --list-keys s
func GetKeyId(s string) (string, error) {
private := false
id := getKeyId(s, private)
if id == "" {
return "", fmt.Errorf("no public key found")
}
return id, nil
}
// ExportPublicKey exports the public key identified by k in armor format
func ExportPublicKey(k string) (io.Reader, error) {
cmd := exec.Command("gpg", "--armor",
"--export-options", "export-minimal", "--export", k)
var outbuf bytes.Buffer
var stderr strings.Builder
cmd.Stdout = &outbuf
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil {
return nil, fmt.Errorf("gpg: export failed: %w", err)
}
if strings.Contains(stderr.String(), "gpg") {
return nil, fmt.Errorf("gpg: error exporting key")
}
return &outbuf, nil
}
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