package msg import ( "errors" "fmt" "strings" "git.sr.ht/~rjarry/aerc/lib/format" "git.sr.ht/~rjarry/aerc/log" "git.sr.ht/~rjarry/aerc/models" "git.sr.ht/~rjarry/aerc/widgets" "git.sr.ht/~sircmpwn/getopt" "github.com/emersion/go-message/mail" ) type Envelope struct{} func init() { register(Envelope{}) } func (Envelope) Aliases() []string { return []string{"envelope"} } func (Envelope) Complete(aerc *widgets.Aerc, args []string) []string { return nil } func (Envelope) Execute(aerc *widgets.Aerc, args []string) error { header := false fmtStr := "%-20.20s: %s" opts, _, err := getopt.Getopts(args, "hs:") if err != nil { return err } for _, opt := range opts { switch opt.Option { case 's': fmtStr = opt.Value case 'h': header = true } } acct := aerc.SelectedAccount() if acct == nil { return errors.New("No account selected") } var list []string if msg, err := acct.SelectedMessage(); err != nil { return err } else { if msg != nil { if header { list = parseHeader(msg, fmtStr) } else { list = parseEnvelope(msg, fmtStr, acct.UiConfig().TimestampFormat) } } else { return fmt.Errorf("Selected message is empty.") } } n := len(list) aerc.AddDialog(widgets.NewDialog( widgets.NewListBox( "Message Envelope. Press or to close. "+ "Start typing to filter.", list, aerc.SelectedAccountUiConfig(), func(_ string) { aerc.CloseDialog() }, ), // start pos on screen func(h int) int { if n < h/8*6 { return h/2 - n/2 - 1 } return h / 8 }, // dialog height func(h int) int { if n < h/8*6 { return n + 2 } return h / 8 * 6 }, )) return nil } func parseEnvelope(msg *models.MessageInfo, fmtStr, fmtTime string, ) (result []string) { if envlp := msg.Envelope; envlp != nil { addStr := func(key, text string) { result = append(result, fmt.Sprintf(fmtStr, key, text)) } addAddr := func(key string, ls []*mail.Address) { for _, l := range ls { result = append(result, fmt.Sprintf(fmtStr, key, format.AddressForHumans(l))) } } addStr("Date", envlp.Date.Format(fmtTime)) addStr("Subject", envlp.Subject) addStr("Message-Id", envlp.MessageId) addAddr("From", envlp.From) addAddr("To", envlp.To) addAddr("ReplyTo", envlp.ReplyTo) addAddr("Cc", envlp.Cc) addAddr("Bcc", envlp.Bcc) } return } func parseHeader(msg *models.MessageInfo, fmtStr string) (result []string) { if h := msg.RFC822Headers; h != nil { hf := h.Fields() for hf.Next() { text, err := hf.Text() if err != nil { log.Errorf(err.Error()) text = hf.Value() } result = append(result, headerExpand(fmtStr, hf.Key(), text)...) } } return } func headerExpand(fmtStr, key, text string) []string { var result []string switch strings.ToLower(key) { case "to", "from", "bcc", "cc": for _, item := range strings.Split(text, ",") { result = append(result, fmt.Sprintf(fmtStr, key, strings.TrimSpace(item))) } default: result = append(result, fmt.Sprintf(fmtStr, key, text)) } return result }