b57fceaad4
Add compose command ("attach-key") to attach the public key associated
with the sending account. Public key is attached in ascii armor format,
with the mimetype set according to RFC 3156 ("application/pgp-keys").
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Tested-by: Koni Marti <koni.marti@gmail.com>
45 lines
922 B
Go
45 lines
922 B
Go
package gpgbin
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import (
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"bytes"
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"fmt"
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"io"
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"os/exec"
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"strings"
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)
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// GetPrivateKeyId runs gpg --list-secret-keys s
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func GetPrivateKeyId(s string) (string, error) {
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private := true
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id := getKeyId(s, private)
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if id == "" {
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return "", fmt.Errorf("no private key found")
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}
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return id, nil
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}
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// GetKeyId runs gpg --list-keys s
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func GetKeyId(s string) (string, error) {
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private := false
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id := getKeyId(s, private)
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if id == "" {
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return "", fmt.Errorf("no public key found")
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}
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return id, nil
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}
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// ExportPublicKey exports the public key identified by k in armor format
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func ExportPublicKey(k string) (io.Reader, error) {
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cmd := exec.Command("gpg", "--export", "--armor", k)
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var outbuf bytes.Buffer
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var stderr strings.Builder
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cmd.Stdout = &outbuf
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cmd.Stderr = &stderr
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cmd.Run()
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if strings.Contains(stderr.String(), "gpg") {
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return nil, fmt.Errorf("gpg: error exporting key")
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}
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return &outbuf, nil
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}
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