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package send
import (
"fmt"
"io"
"net/url"
"os/exec"
"git.sr.ht/~rjarry/go-opt/v2"
"github.com/emersion/go-message/mail"
"github.com/pkg/errors"
)
type sendmailSender struct {
cmd *exec.Cmd
stdin io.WriteCloser
}
func (s *sendmailSender) Write(p []byte) (int, error) {
return s.stdin.Write(p)
}
func (s *sendmailSender) Close() error {
se := s.stdin.Close()
ce := s.cmd.Wait()
if se != nil {
return se
}
return ce
}
func newSendmailSender(uri *url.URL, rcpts []*mail.Address) (io.WriteCloser, error) {
args := opt.SplitArgs(uri.Path)
if len(args) == 0 {
return nil, fmt.Errorf("no command specified")
}
bin := args[0]
rs := make([]string, len(rcpts))
for i := range rcpts {
rs[i] = rcpts[i].Address
}
args = append(args[1:], rs...)
cmd := exec.Command(bin, args...)
s := &sendmailSender{cmd: cmd}
var err error
s.stdin, err = s.cmd.StdinPipe()
if err != nil {
return nil, errors.Wrap(err, "cmd.StdinPipe")
}
err = s.cmd.Start()
if err != nil {
return nil, errors.Wrap(err, "cmd.Start")
}
return s, nil
}
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