package threema import ( "fmt" "io/ioutil" "strconv" "gosrc.io/xmpp/stanza" ) func (a *Account) FileToXMPP(from string, msgID uint64, ext string, data []byte) (stanza.Message, error) { msgIDStr := strconv.FormatUint(msgID, 10) msg := stanza.Message{ Attrs: stanza.Attrs{ Id: msgIDStr, From: from, To: a.XMPP.String(), }, } url := fmt.Sprintf("%s/%d.%s", a.threema.httpUploadURL, msgID, ext) path := fmt.Sprintf("%s/%d.%s", a.threema.httpUploadPath, msgID, ext) if err := ioutil.WriteFile(path, data, 0644); err != nil { msg.Body = "unable to save file on transport to forward" return msg, err } msg.Body = url msg.Extensions = append(msg.Extensions, stanza.OOB{URL: url}) return msg, nil }