feat: ws模块新增ssh和telnet类型连接

src/modules/ws/service/ws_receive.impl.go

@@ -3,8 +3,11 @@ package service
 import (
 	"encoding/json"
 	"fmt"
+	"time"
 
 	"ems.agt/src/framework/logger"
+	"ems.agt/src/framework/utils/ssh"
+	"ems.agt/src/framework/utils/telnet"
 	"ems.agt/src/framework/vo/result"
 	"ems.agt/src/modules/ws/model"
 	"ems.agt/src/modules/ws/processor"
@@ -16,11 +19,12 @@ var NewWSReceiveImpl = &WSReceiveImpl{}
 // WSReceiveImpl WebSocket消息接收处理 服务层处理
 type WSReceiveImpl struct{}
 
-// Receive 接收处理
-func (s *WSReceiveImpl) Receive(client *model.WSClient, reqMsg model.WSRequest) {
+// AsyncReceive 接收业务异步处理
+func (s *WSReceiveImpl) AsyncReceive(client *model.WSClient, reqMsg model.WSRequest) {
+	// 必传requestId确认消息
 	if reqMsg.RequestID == "" {
 		msg := "message requestId is required"
-		logger.Warnf("ws ReceiveMessage UID %s err: %s", client.BindUid, msg)
+		logger.Infof("ws AsyncReceive UID %s err: %s", client.BindUid, msg)
 		msgByte, _ := json.Marshal(result.ErrMsg(msg))
 		client.MsgChan <- msgByte
 		return
@@ -30,6 +34,35 @@ func (s *WSReceiveImpl) Receive(client *model.WSClient, reqMsg model.WSRequest)
 	var err error
 
 	switch reqMsg.Type {
+	case "close":
+		// 主动关闭
+		resultByte, _ := json.Marshal(result.OkMsg("user initiated closure"))
+		client.MsgChan <- resultByte
+		// 等待1s后关闭连接
+		time.Sleep(1 * time.Second)
+		client.StopChan <- struct{}{}
+	case "ssh":
+		// SSH会话消息接收直接写入会话
+		command := reqMsg.Data.(string)
+		sshClientSession := client.ChildConn.(*ssh.SSHClientSession)
+		_, err = sshClientSession.Write(command)
+	case "ssh_resize":
+		// SSH会话窗口重置
+		msgByte, _ := json.Marshal(reqMsg.Data)
+		var data struct {
+			Cols int `json:"cols"`
+			Rows int `json:"rows"`
+		}
+		err = json.Unmarshal(msgByte, &data)
+		if err == nil {
+			sshClientSession := client.ChildConn.(*ssh.SSHClientSession)
+			err = sshClientSession.Session.WindowChange(data.Rows, data.Cols)
+		}
+	case "telnet":
+		// Telnet会话消息接收直接写入会话
+		command := reqMsg.Data.(string)
+		telnetClientSession := client.ChildConn.(*telnet.TelnetClientSession)
+		_, err = telnetClientSession.Write(command)
 	case "ps":
 		resByte, err = processor.GetProcessData(reqMsg.RequestID, reqMsg.Data)
 	case "net":
@@ -47,10 +80,12 @@ func (s *WSReceiveImpl) Receive(client *model.WSClient, reqMsg model.WSRequest)
 	}
 
 	if err != nil {
-		logger.Warnf("ws ReceiveMessage UID %s err: %s", client.BindUid, err.Error())
+		logger.Warnf("ws AsyncReceive UID %s err: %s", client.BindUid, err.Error())
 		msgByte, _ := json.Marshal(result.ErrMsg(err.Error()))
 		client.MsgChan <- msgByte
 		return
 	}
-	client.MsgChan <- resByte
+	if len(resByte) > 0 {
+		client.MsgChan <- resByte
+	}
 }