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package msgview
import (
"errors"
"io"
"mime"
"os"
"path/filepath"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/log"
"git.sr.ht/~rjarry/aerc/widgets"
)
type Open struct {
Delete bool `opt:"-d"`
Cmd string `opt:"..." required:"false"`
}
func init() {
register(Open{})
}
func (Open) Options() string {
return "d"
}
func (Open) Aliases() []string {
return []string{"open"}
}
func (Open) Complete(aerc *widgets.Aerc, args []string) []string {
return nil
}
func (o Open) Execute(aerc *widgets.Aerc, args []string) error {
mv := aerc.SelectedTabContent().(*widgets.MessageViewer)
if mv == nil {
return errors.New("open only supported selected message parts")
}
p := mv.SelectedMessagePart()
mv.MessageView().FetchBodyPart(p.Index, func(reader io.Reader) {
extension := ""
mimeType := ""
// try to determine the correct extension
if part, err := mv.MessageView().BodyStructure().PartAtIndex(p.Index); err == nil {
mimeType = part.FullMIMEType()
// see if we can get extension directly from the attachment name
extension = filepath.Ext(part.FileName())
// if there is no extension, try using the attachment mime type instead
if extension == "" {
if exts, _ := mime.ExtensionsByType(mimeType); len(exts) > 0 {
extension = exts[0]
}
}
}
tmpFile, err := os.CreateTemp(os.TempDir(), "aerc-*"+extension)
if err != nil {
aerc.PushError(err.Error())
return
}
_, err = io.Copy(tmpFile, reader)
tmpFile.Close()
if err != nil {
aerc.PushError(err.Error())
return
}
go func() {
defer log.PanicHandler()
if o.Delete {
defer os.Remove(tmpFile.Name())
}
err = lib.XDGOpenMime(tmpFile.Name(), mimeType, o.Cmd)
if err != nil {
aerc.PushError("open: " + err.Error())
}
}()
})
return nil
}
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