27 lines
505 B
Go
27 lines
505 B
Go
package pgpmime
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import (
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"bytes"
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"fmt"
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"io"
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"net/textproto"
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"sort"
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)
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// Borrowed from https://golang.org/src/mime/multipart/writer.go?s=2140:2215#L76
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func writeMIMEHeader(w io.Writer, header textproto.MIMEHeader) error {
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var b bytes.Buffer
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keys := make([]string, 0, len(header))
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for k := range header {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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for _, k := range keys {
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for _, v := range header[k] {
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fmt.Fprintf(&b, "%s: %s\r\n", k, v)
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}
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}
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_, err := io.Copy(w, &b)
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return err
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}
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