package gpgbin import ( "bytes" "fmt" "io" "io/ioutil" "os" "git.sr.ht/~rjarry/aerc/models" ) // Verify runs gpg --verify. If s is not nil, then gpg interprets the // arguments as a detached signature func Verify(m io.Reader, s io.Reader) (*models.MessageDetails, error) { args := []string{"--verify"} if s != nil { // Detached sig, save the sig to a tmp file and send msg over stdin sig, err := ioutil.TempFile("", "sig") if err != nil { return nil, err } _, _ = io.Copy(sig, s) sig.Close() defer os.Remove(sig.Name()) args = append(args, sig.Name(), "-") } orig, err := ioutil.ReadAll(m) if err != nil { return nil, err } g := newGpg(bytes.NewReader(orig), args) err = g.cmd.Run() if err != nil { return nil, fmt.Errorf("gpg: failed to run verification: %w", err) } out := bytes.NewReader(g.stdout.Bytes()) md := new(models.MessageDetails) err = parse(out, md) if err != nil { return nil, fmt.Errorf("gpg: failed to parse result: %w", err) } md.Body = bytes.NewReader(orig) return md, nil }