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