package msgview import ( "errors" "io" "mime" "os" "git.sr.ht/~rjarry/aerc/lib" "git.sr.ht/~rjarry/aerc/widgets" ) type Open struct{} func init() { register(Open{}) } func (Open) Aliases() []string { return []string{"open"} } func (Open) Complete(aerc *widgets.Aerc, args []string) []string { return nil } func (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 based on mimetype if part, err := mv.MessageView().BodyStructure().PartAtIndex(p.Index); err == nil { mimeType = part.FullMIMEType() 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() { openers := aerc.Config().Openers err = lib.XDGOpenMime(tmpFile.Name(), mimeType, openers, args[1:]) if err != nil { aerc.PushError("open: " + err.Error()) } }() }) return nil }