forked from lug/matterbridge
695 lines
19 KiB
Go
695 lines
19 KiB
Go
package whatsapp
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import (
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"math/rand"
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"strconv"
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"strings"
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"time"
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"github.com/Rhymen/go-whatsapp/binary"
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"github.com/Rhymen/go-whatsapp/binary/proto"
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)
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type MediaType string
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const (
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MediaImage MediaType = "WhatsApp Image Keys"
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MediaVideo MediaType = "WhatsApp Video Keys"
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MediaAudio MediaType = "WhatsApp Audio Keys"
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MediaDocument MediaType = "WhatsApp Document Keys"
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)
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var msgInfo MessageInfo
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func (wac *Conn) Send(msg interface{}) (string, error) {
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var err error
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var ch <-chan string
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var msgProto *proto.WebMessageInfo
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switch m := msg.(type) {
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case *proto.WebMessageInfo:
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ch, err = wac.sendProto(m)
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case TextMessage:
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msgProto = getTextProto(m)
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msgInfo = getMessageInfo(msgProto)
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ch, err = wac.sendProto(msgProto)
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case ImageMessage:
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m.url, m.mediaKey, m.fileEncSha256, m.fileSha256, m.fileLength, err = wac.Upload(m.Content, MediaImage)
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if err != nil {
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return "ERROR", fmt.Errorf("image upload failed: %v", err)
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}
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msgProto = getImageProto(m)
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msgInfo = getMessageInfo(msgProto)
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ch, err = wac.sendProto(msgProto)
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case VideoMessage:
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m.url, m.mediaKey, m.fileEncSha256, m.fileSha256, m.fileLength, err = wac.Upload(m.Content, MediaVideo)
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if err != nil {
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return "ERROR", fmt.Errorf("video upload failed: %v", err)
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}
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msgProto = getVideoProto(m)
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msgInfo = getMessageInfo(msgProto)
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ch, err = wac.sendProto(msgProto)
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case DocumentMessage:
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m.url, m.mediaKey, m.fileEncSha256, m.fileSha256, m.fileLength, err = wac.Upload(m.Content, MediaDocument)
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if err != nil {
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return "ERROR", fmt.Errorf("document upload failed: %v", err)
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}
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msgProto = getDocumentProto(m)
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msgInfo = getMessageInfo(msgProto)
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ch, err = wac.sendProto(msgProto)
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case AudioMessage:
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m.url, m.mediaKey, m.fileEncSha256, m.fileSha256, m.fileLength, err = wac.Upload(m.Content, MediaAudio)
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if err != nil {
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return "ERROR", fmt.Errorf("audio upload failed: %v", err)
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}
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msgProto = getAudioProto(m)
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msgInfo = getMessageInfo(msgProto)
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ch, err = wac.sendProto(msgProto)
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case LocationMessage:
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msgProto = GetLocationProto(m)
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msgInfo = getMessageInfo(msgProto)
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ch, err = wac.sendProto(msgProto)
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case LiveLocationMessage:
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msgProto = GetLiveLocationProto(m)
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msgInfo = getMessageInfo(msgProto)
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ch, err = wac.sendProto(msgProto)
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default:
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return "ERROR", fmt.Errorf("cannot match type %T, use message types declared in the package", msg)
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}
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if err != nil {
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return "ERROR", fmt.Errorf("could not send proto: %v", err)
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}
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select {
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case response := <-ch:
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var resp map[string]interface{}
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if err = json.Unmarshal([]byte(response), &resp); err != nil {
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return "ERROR", fmt.Errorf("error decoding sending response: %v\n", err)
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}
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if int(resp["status"].(float64)) != 200 {
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return "ERROR", fmt.Errorf("message sending responded with %d", resp["status"])
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}
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if int(resp["status"].(float64)) == 200 {
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return msgInfo.Id, nil
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}
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case <-time.After(wac.msgTimeout):
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return "ERROR", fmt.Errorf("sending message timed out")
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}
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return "ERROR", nil
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}
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func (wac *Conn) sendProto(p *proto.WebMessageInfo) (<-chan string, error) {
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n := binary.Node{
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Description: "action",
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Attributes: map[string]string{
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"type": "relay",
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"epoch": strconv.Itoa(wac.msgCount),
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},
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Content: []interface{}{p},
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}
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return wac.writeBinary(n, message, ignore, p.Key.GetId())
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}
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func init() {
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rand.Seed(time.Now().UTC().UnixNano())
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}
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/*
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MessageInfo contains general message information. It is part of every of every message type.
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*/
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type MessageInfo struct {
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Id string
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RemoteJid string
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SenderJid string
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FromMe bool
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Timestamp uint64
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PushName string
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Status MessageStatus
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QuotedMessageID string
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QuotedMessage proto.Message
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Source *proto.WebMessageInfo
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}
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type MessageStatus int
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const (
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Error MessageStatus = 0
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Pending = 1
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ServerAck = 2
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DeliveryAck = 3
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Read = 4
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Played = 5
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)
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func getMessageInfo(msg *proto.WebMessageInfo) MessageInfo {
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return MessageInfo{
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Id: msg.GetKey().GetId(),
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RemoteJid: msg.GetKey().GetRemoteJid(),
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SenderJid: msg.GetKey().GetParticipant(),
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FromMe: msg.GetKey().GetFromMe(),
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Timestamp: msg.GetMessageTimestamp(),
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Status: MessageStatus(msg.GetStatus()),
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PushName: msg.GetPushName(),
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Source: msg,
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}
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}
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func getInfoProto(info *MessageInfo) *proto.WebMessageInfo {
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if info.Id == "" || len(info.Id) < 2 {
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b := make([]byte, 10)
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rand.Read(b)
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info.Id = strings.ToUpper(hex.EncodeToString(b))
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}
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if info.Timestamp == 0 {
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info.Timestamp = uint64(time.Now().Unix())
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}
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info.FromMe = true
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status := proto.WebMessageInfo_WEB_MESSAGE_INFO_STATUS(info.Status)
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return &proto.WebMessageInfo{
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Key: &proto.MessageKey{
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FromMe: &info.FromMe,
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RemoteJid: &info.RemoteJid,
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Id: &info.Id,
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},
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MessageTimestamp: &info.Timestamp,
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Status: &status,
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}
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}
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func getContextInfoProto(info *MessageInfo) *proto.ContextInfo {
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if len(info.QuotedMessageID) > 0 {
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contextInfo := &proto.ContextInfo{
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StanzaId: &info.QuotedMessageID,
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}
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if &info.QuotedMessage != nil {
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contextInfo.QuotedMessage = &info.QuotedMessage
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}
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return contextInfo
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}
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return nil
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}
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/*
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TextMessage represents a text message.
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*/
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type TextMessage struct {
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Info MessageInfo
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Text string
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}
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func getTextMessage(msg *proto.WebMessageInfo) TextMessage {
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text := TextMessage{Info: getMessageInfo(msg)}
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if m := msg.GetMessage().GetExtendedTextMessage(); m != nil {
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text.Text = m.GetText()
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text.Info.QuotedMessageID = m.GetContextInfo().GetStanzaId()
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} else {
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text.Text = msg.GetMessage().GetConversation()
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}
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return text
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}
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func getTextProto(msg TextMessage) *proto.WebMessageInfo {
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p := getInfoProto(&msg.Info)
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contextInfo := getContextInfoProto(&msg.Info)
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if contextInfo == nil {
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p.Message = &proto.Message{
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Conversation: &msg.Text,
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}
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} else {
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p.Message = &proto.Message{
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ExtendedTextMessage: &proto.ExtendedTextMessage{
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Text: &msg.Text,
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ContextInfo: contextInfo,
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},
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}
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}
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return p
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}
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/*
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ImageMessage represents a image message. Unexported fields are needed for media up/downloading and media validation.
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Provide a io.Reader as Content for message sending.
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*/
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type ImageMessage struct {
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Info MessageInfo
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Caption string
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Thumbnail []byte
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Type string
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Content io.Reader
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url string
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mediaKey []byte
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fileEncSha256 []byte
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fileSha256 []byte
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fileLength uint64
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}
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func getImageMessage(msg *proto.WebMessageInfo) ImageMessage {
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image := msg.GetMessage().GetImageMessage()
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imageMessage := ImageMessage{
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Info: getMessageInfo(msg),
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Caption: image.GetCaption(),
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Thumbnail: image.GetJpegThumbnail(),
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url: image.GetUrl(),
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mediaKey: image.GetMediaKey(),
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Type: image.GetMimetype(),
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fileEncSha256: image.GetFileEncSha256(),
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fileSha256: image.GetFileSha256(),
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fileLength: image.GetFileLength(),
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}
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if contextInfo := image.GetContextInfo(); contextInfo != nil {
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imageMessage.Info.QuotedMessageID = contextInfo.GetStanzaId()
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}
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return imageMessage
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}
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func getImageProto(msg ImageMessage) *proto.WebMessageInfo {
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p := getInfoProto(&msg.Info)
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contextInfo := getContextInfoProto(&msg.Info)
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p.Message = &proto.Message{
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ImageMessage: &proto.ImageMessage{
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Caption: &msg.Caption,
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JpegThumbnail: msg.Thumbnail,
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Url: &msg.url,
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MediaKey: msg.mediaKey,
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Mimetype: &msg.Type,
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FileEncSha256: msg.fileEncSha256,
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FileSha256: msg.fileSha256,
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FileLength: &msg.fileLength,
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ContextInfo: contextInfo,
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},
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}
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return p
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}
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/*
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Download is the function to retrieve media data. The media gets downloaded, validated and returned.
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*/
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func (m *ImageMessage) Download() ([]byte, error) {
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return Download(m.url, m.mediaKey, MediaImage, int(m.fileLength))
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}
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/*
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VideoMessage represents a video message. Unexported fields are needed for media up/downloading and media validation.
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Provide a io.Reader as Content for message sending.
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*/
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type VideoMessage struct {
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Info MessageInfo
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Caption string
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Thumbnail []byte
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Length uint32
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Type string
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Content io.Reader
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GifPlayback bool
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url string
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mediaKey []byte
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fileEncSha256 []byte
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fileSha256 []byte
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fileLength uint64
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}
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func getVideoMessage(msg *proto.WebMessageInfo) VideoMessage {
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vid := msg.GetMessage().GetVideoMessage()
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videoMessage := VideoMessage{
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Info: getMessageInfo(msg),
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Caption: vid.GetCaption(),
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Thumbnail: vid.GetJpegThumbnail(),
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GifPlayback: vid.GetGifPlayback(),
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url: vid.GetUrl(),
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mediaKey: vid.GetMediaKey(),
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Length: vid.GetSeconds(),
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Type: vid.GetMimetype(),
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fileEncSha256: vid.GetFileEncSha256(),
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fileSha256: vid.GetFileSha256(),
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fileLength: vid.GetFileLength(),
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}
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if contextInfo := vid.GetContextInfo(); contextInfo != nil {
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videoMessage.Info.QuotedMessageID = contextInfo.GetStanzaId()
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}
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return videoMessage
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}
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func getVideoProto(msg VideoMessage) *proto.WebMessageInfo {
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p := getInfoProto(&msg.Info)
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contextInfo := getContextInfoProto(&msg.Info)
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p.Message = &proto.Message{
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VideoMessage: &proto.VideoMessage{
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Caption: &msg.Caption,
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JpegThumbnail: msg.Thumbnail,
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Url: &msg.url,
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GifPlayback: &msg.GifPlayback,
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MediaKey: msg.mediaKey,
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Seconds: &msg.Length,
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FileEncSha256: msg.fileEncSha256,
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FileSha256: msg.fileSha256,
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FileLength: &msg.fileLength,
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Mimetype: &msg.Type,
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ContextInfo: contextInfo,
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},
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}
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return p
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}
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/*
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Download is the function to retrieve media data. The media gets downloaded, validated and returned.
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*/
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func (m *VideoMessage) Download() ([]byte, error) {
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return Download(m.url, m.mediaKey, MediaVideo, int(m.fileLength))
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}
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/*
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AudioMessage represents a audio message. Unexported fields are needed for media up/downloading and media validation.
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Provide a io.Reader as Content for message sending.
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*/
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type AudioMessage struct {
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Info MessageInfo
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Length uint32
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Type string
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Content io.Reader
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Ptt bool
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url string
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mediaKey []byte
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fileEncSha256 []byte
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fileSha256 []byte
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fileLength uint64
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}
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func getAudioMessage(msg *proto.WebMessageInfo) AudioMessage {
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aud := msg.GetMessage().GetAudioMessage()
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audioMessage := AudioMessage{
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Info: getMessageInfo(msg),
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url: aud.GetUrl(),
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mediaKey: aud.GetMediaKey(),
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Length: aud.GetSeconds(),
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Type: aud.GetMimetype(),
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fileEncSha256: aud.GetFileEncSha256(),
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fileSha256: aud.GetFileSha256(),
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fileLength: aud.GetFileLength(),
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}
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if contextInfo := aud.GetContextInfo(); contextInfo != nil {
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audioMessage.Info.QuotedMessageID = contextInfo.GetStanzaId()
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}
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return audioMessage
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}
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func getAudioProto(msg AudioMessage) *proto.WebMessageInfo {
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p := getInfoProto(&msg.Info)
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contextInfo := getContextInfoProto(&msg.Info)
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p.Message = &proto.Message{
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AudioMessage: &proto.AudioMessage{
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Url: &msg.url,
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MediaKey: msg.mediaKey,
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Seconds: &msg.Length,
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FileEncSha256: msg.fileEncSha256,
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FileSha256: msg.fileSha256,
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FileLength: &msg.fileLength,
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Mimetype: &msg.Type,
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ContextInfo: contextInfo,
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Ptt: &msg.Ptt,
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},
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}
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return p
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}
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/*
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Download is the function to retrieve media data. The media gets downloaded, validated and returned.
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*/
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func (m *AudioMessage) Download() ([]byte, error) {
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return Download(m.url, m.mediaKey, MediaAudio, int(m.fileLength))
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}
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/*
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DocumentMessage represents a document message. Unexported fields are needed for media up/downloading and media
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validation. Provide a io.Reader as Content for message sending.
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*/
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type DocumentMessage struct {
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Info MessageInfo
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Title string
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PageCount uint32
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Type string
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FileName string
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Thumbnail []byte
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Content io.Reader
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url string
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mediaKey []byte
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fileEncSha256 []byte
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fileSha256 []byte
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fileLength uint64
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}
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func getDocumentMessage(msg *proto.WebMessageInfo) DocumentMessage {
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doc := msg.GetMessage().GetDocumentMessage()
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documentMessage := DocumentMessage{
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Info: getMessageInfo(msg),
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Title: doc.GetTitle(),
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PageCount: doc.GetPageCount(),
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Type: doc.GetMimetype(),
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FileName: doc.GetFileName(),
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Thumbnail: doc.GetJpegThumbnail(),
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url: doc.GetUrl(),
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mediaKey: doc.GetMediaKey(),
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fileEncSha256: doc.GetFileEncSha256(),
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fileSha256: doc.GetFileSha256(),
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fileLength: doc.GetFileLength(),
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}
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if contextInfo := doc.GetContextInfo(); contextInfo != nil {
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documentMessage.Info.QuotedMessageID = contextInfo.GetStanzaId()
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}
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return documentMessage
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}
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func getDocumentProto(msg DocumentMessage) *proto.WebMessageInfo {
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p := getInfoProto(&msg.Info)
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contextInfo := getContextInfoProto(&msg.Info)
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p.Message = &proto.Message{
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DocumentMessage: &proto.DocumentMessage{
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JpegThumbnail: msg.Thumbnail,
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Url: &msg.url,
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MediaKey: msg.mediaKey,
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FileEncSha256: msg.fileEncSha256,
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FileSha256: msg.fileSha256,
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FileLength: &msg.fileLength,
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PageCount: &msg.PageCount,
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Title: &msg.Title,
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Mimetype: &msg.Type,
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ContextInfo: contextInfo,
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},
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}
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return p
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}
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/*
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Download is the function to retrieve media data. The media gets downloaded, validated and returned.
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*/
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func (m *DocumentMessage) Download() ([]byte, error) {
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return Download(m.url, m.mediaKey, MediaDocument, int(m.fileLength))
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}
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/*
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LocationMessage represents a location message
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*/
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type LocationMessage struct {
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Info MessageInfo
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DegreesLatitude float64
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DegreesLongitude float64
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Name string
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Address string
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Url string
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JpegThumbnail []byte
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}
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func GetLocationMessage(msg *proto.WebMessageInfo) LocationMessage {
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loc := msg.GetMessage().GetLocationMessage()
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locationMessage := LocationMessage{
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Info: getMessageInfo(msg),
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DegreesLatitude: loc.GetDegreesLatitude(),
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DegreesLongitude: loc.GetDegreesLongitude(),
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Name: loc.GetName(),
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Address: loc.GetAddress(),
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Url: loc.GetUrl(),
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JpegThumbnail: loc.GetJpegThumbnail(),
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}
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if contextInfo := loc.GetContextInfo(); contextInfo != nil {
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locationMessage.Info.QuotedMessageID = contextInfo.GetStanzaId()
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}
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return locationMessage
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}
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func GetLocationProto(msg LocationMessage) *proto.WebMessageInfo {
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p := getInfoProto(&msg.Info)
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contextInfo := getContextInfoProto(&msg.Info)
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p.Message = &proto.Message{
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LocationMessage: &proto.LocationMessage{
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DegreesLatitude: &msg.DegreesLatitude,
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DegreesLongitude: &msg.DegreesLongitude,
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Name: &msg.Name,
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|
Address: &msg.Address,
|
|
Url: &msg.Url,
|
|
JpegThumbnail: msg.JpegThumbnail,
|
|
ContextInfo: contextInfo,
|
|
},
|
|
}
|
|
return p
|
|
}
|
|
|
|
/*
|
|
LiveLocationMessage represents a live location message
|
|
*/
|
|
type LiveLocationMessage struct {
|
|
Info MessageInfo
|
|
DegreesLatitude float64
|
|
DegreesLongitude float64
|
|
AccuracyInMeters uint32
|
|
SpeedInMps float32
|
|
DegreesClockwiseFromMagneticNorth uint32
|
|
Caption string
|
|
SequenceNumber int64
|
|
JpegThumbnail []byte
|
|
}
|
|
|
|
func GetLiveLocationMessage(msg *proto.WebMessageInfo) LiveLocationMessage {
|
|
loc := msg.GetMessage().GetLiveLocationMessage()
|
|
|
|
liveLocationMessage := LiveLocationMessage{
|
|
Info: getMessageInfo(msg),
|
|
DegreesLatitude: loc.GetDegreesLatitude(),
|
|
DegreesLongitude: loc.GetDegreesLongitude(),
|
|
AccuracyInMeters: loc.GetAccuracyInMeters(),
|
|
SpeedInMps: loc.GetSpeedInMps(),
|
|
DegreesClockwiseFromMagneticNorth: loc.GetDegreesClockwiseFromMagneticNorth(),
|
|
Caption: loc.GetCaption(),
|
|
SequenceNumber: loc.GetSequenceNumber(),
|
|
JpegThumbnail: loc.GetJpegThumbnail(),
|
|
}
|
|
|
|
if contextInfo := loc.GetContextInfo(); contextInfo != nil {
|
|
liveLocationMessage.Info.QuotedMessageID = contextInfo.GetStanzaId()
|
|
}
|
|
|
|
return liveLocationMessage
|
|
}
|
|
|
|
func GetLiveLocationProto(msg LiveLocationMessage) *proto.WebMessageInfo {
|
|
p := getInfoProto(&msg.Info)
|
|
contextInfo := getContextInfoProto(&msg.Info)
|
|
p.Message = &proto.Message{
|
|
LiveLocationMessage: &proto.LiveLocationMessage{
|
|
DegreesLatitude: &msg.DegreesLatitude,
|
|
DegreesLongitude: &msg.DegreesLongitude,
|
|
AccuracyInMeters: &msg.AccuracyInMeters,
|
|
SpeedInMps: &msg.SpeedInMps,
|
|
DegreesClockwiseFromMagneticNorth: &msg.DegreesClockwiseFromMagneticNorth,
|
|
Caption: &msg.Caption,
|
|
SequenceNumber: &msg.SequenceNumber,
|
|
JpegThumbnail: msg.JpegThumbnail,
|
|
ContextInfo: contextInfo,
|
|
},
|
|
}
|
|
return p
|
|
}
|
|
|
|
/*
|
|
StickerMessage represents a sticker message.
|
|
*/
|
|
type StickerMessage struct {
|
|
Info MessageInfo
|
|
|
|
Thumbnail []byte
|
|
Type string
|
|
Content io.Reader
|
|
url string
|
|
mediaKey []byte
|
|
fileEncSha256 []byte
|
|
fileSha256 []byte
|
|
fileLength uint64
|
|
}
|
|
|
|
func getStickerMessage(msg *proto.WebMessageInfo) StickerMessage {
|
|
sticker := msg.GetMessage().GetStickerMessage()
|
|
|
|
StickerMessage := StickerMessage{
|
|
Info: getMessageInfo(msg),
|
|
Thumbnail: sticker.GetPngThumbnail(),
|
|
url: sticker.GetUrl(),
|
|
mediaKey: sticker.GetMediaKey(),
|
|
Type: sticker.GetMimetype(),
|
|
fileEncSha256: sticker.GetFileEncSha256(),
|
|
fileSha256: sticker.GetFileSha256(),
|
|
fileLength: sticker.GetFileLength(),
|
|
}
|
|
|
|
if contextInfo := sticker.GetContextInfo(); contextInfo != nil {
|
|
StickerMessage.Info.QuotedMessageID = contextInfo.GetStanzaId()
|
|
}
|
|
|
|
return StickerMessage
|
|
}
|
|
|
|
func ParseProtoMessage(msg *proto.WebMessageInfo) interface{} {
|
|
switch {
|
|
|
|
case msg.GetMessage().GetAudioMessage() != nil:
|
|
return getAudioMessage(msg)
|
|
|
|
case msg.GetMessage().GetImageMessage() != nil:
|
|
return getImageMessage(msg)
|
|
|
|
case msg.GetMessage().GetVideoMessage() != nil:
|
|
return getVideoMessage(msg)
|
|
|
|
case msg.GetMessage().GetDocumentMessage() != nil:
|
|
return getDocumentMessage(msg)
|
|
|
|
case msg.GetMessage().GetConversation() != "":
|
|
return getTextMessage(msg)
|
|
|
|
case msg.GetMessage().GetExtendedTextMessage() != nil:
|
|
return getTextMessage(msg)
|
|
|
|
case msg.GetMessage().GetLocationMessage() != nil:
|
|
return GetLocationMessage(msg)
|
|
|
|
case msg.GetMessage().GetLiveLocationMessage() != nil:
|
|
return GetLiveLocationMessage(msg)
|
|
|
|
case msg.GetMessage().GetStickerMessage() != nil:
|
|
return getStickerMessage(msg)
|
|
|
|
default:
|
|
//cannot match message
|
|
}
|
|
|
|
return nil
|
|
}
|