35 lines
700 B
Go
35 lines
700 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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"git.sr.ht/~rjarry/aerc/models"
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)
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// Sign creates a detached signature based on the contents of r
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func Sign(r io.Reader, from string) ([]byte, string, error) {
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args := []string{
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"--armor",
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"--detach-sign",
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"--default-key", from,
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}
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g := newGpg(r, args)
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err := g.cmd.Run()
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if err != nil {
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return nil, "", fmt.Errorf("failed to run signing: %w", err)
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}
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outRdr := bytes.NewReader(g.stdout.Bytes())
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var md models.MessageDetails
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err = parse(outRdr, &md)
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if err != nil {
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return nil, "", fmt.Errorf("failed to parse messagedetails: %w", err)
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}
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var buf bytes.Buffer
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_, _ = io.Copy(&buf, md.Body)
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return buf.Bytes(), md.Micalg, nil
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}
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