package commands import ( "bytes" "fmt" "io" "os" "strings" "git.sr.ht/~rjarry/aerc/lib" "git.sr.ht/~rjarry/aerc/widgets" ) type Eml struct{} func init() { register(Eml{}) } func (Eml) Aliases() []string { return []string{"eml", "preview"} } func (Eml) Complete(aerc *widgets.Aerc, args []string) []string { return CompletePath(strings.Join(args, " ")) } func (Eml) Execute(aerc *widgets.Aerc, args []string) error { acct := aerc.SelectedAccount() if acct == nil { return fmt.Errorf("no account selected") } showEml := func(r io.Reader) { data, err := io.ReadAll(r) if err != nil { aerc.PushError(err.Error()) return } lib.NewEmlMessageView(data, aerc.Crypto, aerc.DecryptKeys, func(view lib.MessageView, err error) { if err != nil { aerc.PushError(err.Error()) return } msgView := widgets.NewMessageViewer(acct, view) aerc.NewTab(msgView, view.MessageInfo().Envelope.Subject) }) } if len(args) == 1 { switch tab := aerc.SelectedTabContent().(type) { case *widgets.MessageViewer: part := tab.SelectedMessagePart() tab.MessageView().FetchBodyPart(part.Index, showEml) case *widgets.Composer: var buf bytes.Buffer h, err := tab.PrepareHeader() if err != nil { return err } if err := tab.WriteMessage(h, &buf); err != nil { return err } showEml(&buf) default: return fmt.Errorf("unsupported operation") } } else { path := strings.Join(args[1:], " ") if _, err := os.Stat(path); err != nil { return err } f, err := os.Open(path) if err != nil { return err } defer f.Close() showEml(f) } return nil }