temp message sending supported.

README.md

@@ -44,11 +44,11 @@ qq-android协议的golang实现 移植于mirai
 - [x] 客户端离线
 
 #### 主动操作
-> 为防止滥用，将不支持主动/被动发送任何临时会话消息
+> 为防止滥用，将不支持主动邀请新成员进群
 
 - [x] 发送群消息
 - [x] 发送好友消息
-- [ ] ~~发送临时会话消息~~ 
+- [x] 发送临时会话消息
 - [x] 获取/刷新群列表
 - [x] 获取/刷新群成员列表
 - [x] 获取/刷新好友列表
@@ -61,6 +61,6 @@ qq-android协议的golang实现 移植于mirai
 - [x] 群设置 (全体禁言/群名)
 - [x] 修改群成员Card
 - [x] 修改群成员头衔
-- [ ] 群成员邀请
+- [ ] ~~群成员邀请~~
 - [x] 群成员禁言/解除禁言
 - [x] T出群成员

client/builders.go

@@ -454,6 +454,40 @@ func (c *QQClient) buildFriendSendingPacket(target int64, msgSeq, r int32, time
 	return seq, packet
 }
 
+// MessageSvc.PbSendMsg
+func (c *QQClient) buildTempSendingPacket(groupUin, target int64, msgSeq, r int32, time int64, m *message.SendingMessage) (uint16, []byte) {
+	seq := c.nextSeq()
+	req := &msg.SendMessageRequest{
+		RoutingHead: &msg.RoutingHead{GrpTmp: &msg.GrpTmp{
+			GroupUin: groupUin,
+			ToUin:    target,
+		}},
+		ContentHead: &msg.ContentHead{PkgNum: 1},
+		MsgBody: &msg.MessageBody{
+			RichText: &msg.RichText{
+				Elems: message.ToProtoElems(m.Elements, false),
+			},
+		},
+		MsgSeq:  msgSeq,
+		MsgRand: r,
+		SyncCookie: func() []byte {
+			cookie := &msg.SyncCookie{
+				Time:   time,
+				Ran1:   rand.Int63(),
+				Ran2:   rand.Int63(),
+				Const1: syncConst1,
+				Const2: syncConst2,
+				Const3: 0x1d,
+			}
+			b, _ := proto.Marshal(cookie)
+			return b
+		}(),
+	}
+	payload, _ := proto.Marshal(req)
+	packet := packets.BuildUniPacket(c.Uin, seq, "MessageSvc.PbSendMsg", 1, c.OutGoingPacketSessionId, EmptyBytes, c.sigInfo.d2Key, payload)
+	return seq, packet
+}
+
 // LongConn.OffPicUp
 func (c *QQClient) buildOffPicUpPacket(target int64, md5 []byte, size int32) (uint16, []byte) {
 	seq := c.nextSeq()

client/client.go

@@ -291,6 +291,39 @@ func (c *QQClient) SendPrivateMessage(target int64, m *message.SendingMessage) *
 	}
 }
 
+func (c *QQClient) SendTempMessage(groupCode, target int64, m *message.SendingMessage) *message.TempMessage {
+	group := c.FindGroup(groupCode)
+	if group == nil {
+		return nil
+	}
+	if c.FindFriend(target) != nil {
+		pm := c.SendPrivateMessage(target, m)
+		return &message.TempMessage{
+			Id:        pm.Id,
+			GroupCode: group.Code,
+			GroupName: group.Name,
+			Sender:    pm.Sender,
+			Elements:  m.Elements,
+		}
+	}
+	mr := int32(rand.Uint32())
+	seq := c.nextFriendSeq()
+	t := time.Now().Unix()
+	_, pkt := c.buildTempSendingPacket(group.Uin, target, seq, mr, t, m)
+	_ = c.send(pkt)
+	return &message.TempMessage{
+		Id:        seq,
+		GroupCode: group.Code,
+		GroupName: group.Name,
+		Sender: &message.Sender{
+			Uin:      c.Uin,
+			Nickname: c.Nickname,
+			IsFriend: true,
+		},
+		Elements: m.Elements,
+	}
+}
+
 func (c *QQClient) GetForwardMessage(resId string) *message.ForwardMessage {
 	i, err := c.sendAndWait(c.buildMultiApplyDownPacket(resId))
 	if err != nil {