package msg import ( "bufio" "errors" "fmt" "io" gomail "net/mail" "strings" "git.sr.ht/~sircmpwn/getopt" "github.com/emersion/go-message" _ "github.com/emersion/go-message/charset" "github.com/emersion/go-message/mail" "git.sr.ht/~sircmpwn/aerc/models" "git.sr.ht/~sircmpwn/aerc/widgets" ) type reply struct{} func init() { register(reply{}) } func (reply) Aliases() []string { return []string{"reply"} } func (reply) Complete(aerc *widgets.Aerc, args []string) []string { return nil } func (reply) Execute(aerc *widgets.Aerc, args []string) error { opts, optind, err := getopt.Getopts(args, "aq") if err != nil { return err } if optind != len(args) { return errors.New("Usage: reply [-aq]") } var ( quote bool replyAll bool ) for _, opt := range opts { switch opt.Option { case 'a': replyAll = true case 'q': quote = true } } widget := aerc.SelectedTab().(widgets.ProvidesMessage) acct := widget.SelectedAccount() if acct == nil { return errors.New("No account selected") } conf := acct.AccountConfig() us, _ := gomail.ParseAddress(conf.From) store := widget.Store() if store == nil { return errors.New("Cannot perform action. Messages still loading") } msg, err := widget.SelectedMessage() if err != nil { return err } acct.Logger().Println("Replying to email " + msg.Envelope.MessageId) var ( to []string cc []string toList []*models.Address ) if args[0] == "reply" { if len(msg.Envelope.ReplyTo) != 0 { toList = msg.Envelope.ReplyTo } else { toList = msg.Envelope.From } for _, addr := range toList { if addr.Name != "" { to = append(to, fmt.Sprintf("%s <%s@%s>", addr.Name, addr.Mailbox, addr.Host)) } else { to = append(to, fmt.Sprintf("<%s@%s>", addr.Mailbox, addr.Host)) } } if replyAll { for _, addr := range msg.Envelope.Cc { cc = append(cc, addr.Format()) } for _, addr := range msg.Envelope.To { address := fmt.Sprintf("%s@%s", addr.Mailbox, addr.Host) if address == us.Address { continue } to = append(to, addr.Format()) } } } var subject string if !strings.HasPrefix(strings.ToLower(msg.Envelope.Subject), "re: ") { subject = "Re: " + msg.Envelope.Subject } else { subject = msg.Envelope.Subject } defaults := map[string]string{ "To": strings.Join(to, ", "), "Cc": strings.Join(cc, ", "), "Subject": subject, "In-Reply-To": msg.Envelope.MessageId, } composer := widgets.NewComposer(aerc, aerc.Config(), acct.AccountConfig(), acct.Worker(), defaults) if args[0] == "reply" { composer.FocusTerminal() } addTab := func() { tab := aerc.NewTab(composer, subject) composer.OnHeaderChange("Subject", func(subject string) { if subject == "" { tab.Name = "New email" } else { tab.Name = subject } tab.Content.Invalidate() }) } if quote { var ( path []int part *models.BodyStructure ) if len(msg.BodyStructure.Parts) != 0 { part, path = findPlaintext(msg.BodyStructure, path) } if part == nil { part = msg.BodyStructure path = []int{1} } store.FetchBodyPart(msg.Uid, path, func(reader io.Reader) { header := message.Header{} header.SetText( "Content-Transfer-Encoding", part.Encoding) header.SetContentType(part.MIMEType, part.Params) header.SetText("Content-Description", part.Description) entity, err := message.New(header, reader) if err != nil { // TODO: Do something with the error addTab() return } mreader := mail.NewReader(entity) part, err := mreader.NextPart() if err != nil { // TODO: Do something with the error addTab() return } pipeout, pipein := io.Pipe() scanner := bufio.NewScanner(part.Body) go composer.PrependContents(pipeout) // TODO: Let user customize the date format used here io.WriteString(pipein, fmt.Sprintf("On %s %s wrote:\n", msg.Envelope.Date.Format("Mon Jan 2, 2006 at 3:04 PM"), msg.Envelope.From[0].Name)) for scanner.Scan() { io.WriteString(pipein, fmt.Sprintf("> %s\n", scanner.Text())) } pipein.Close() pipeout.Close() addTab() }) } else { addTab() } return nil } func findPlaintext(bs *models.BodyStructure, path []int) (*models.BodyStructure, []int) { for i, part := range bs.Parts { cur := append(path, i+1) if strings.ToLower(part.MIMEType) == "text" && strings.ToLower(part.MIMESubType) == "plain" { return part, cur } if strings.ToLower(part.MIMEType) == "multipart" { if part, path := findPlaintext(part, cur); path != nil { return part, path } } } return nil, nil }