修复「接入网关」+「guacd」无法使用监控和文件管理功能的问题

build.sh

@@ -5,7 +5,7 @@ echo "clean build history"
 
 echo "build web..."
 cd web || exit
-yarn build
+yarn build || exit
 cp -r build ../server/resource/
 echo "build web success"
 

server/api/guacamole.go

@@ -30,6 +30,7 @@ const (
 	AccessGatewayUnAvailable int = 803
 	AccessGatewayCreateError int = 804
 	AssetNotActive           int = 805
+	NewSshClientError        int = 806
 )
 
 var UpGrader = websocket.Upgrader{
@@ -69,10 +70,7 @@ func (api GuacamoleApi) Guacamole(c echo.Context) error {
 		return err
 	}
 	api.setConfig(propertyMap, s, configuration)
-	var (
-		ip   = s.IP
-		port = s.Port
-	)
+
 	if s.AccessGatewayId != "" && s.AccessGatewayId != "-" {
 		g, err := service.GatewayService.GetGatewayAndReconnectById(s.AccessGatewayId)
 		if err != nil {
@@ -83,18 +81,18 @@ func (api GuacamoleApi) Guacamole(c echo.Context) error {
 			utils.Disconnect(ws, AccessGatewayUnAvailable, "接入网关不可用："+g.Message)
 			return nil
 		}
-		exposedIP, exposedPort, err := g.OpenSshTunnel(s.ID, ip, port)
+		exposedIP, exposedPort, err := g.OpenSshTunnel(s.ID, s.IP, s.Port)
 		if err != nil {
 			utils.Disconnect(ws, AccessGatewayCreateError, "创建SSH隧道失败："+err.Error())
 			return nil
 		}
-		ip = exposedIP
-		port = exposedPort
+		s.IP = exposedIP
+		s.Port = exposedPort
 		defer g.CloseSshTunnel(s.ID)
 	}
 
-	configuration.SetParameter("hostname", ip)
-	configuration.SetParameter("port", strconv.Itoa(port))
+	configuration.SetParameter("hostname", s.IP)
+	configuration.SetParameter("port", strconv.Itoa(s.Port))
 
 	// 加载资产配置的属性，优先级比全局配置的高，因此最后加载，覆盖掉全局配置
 	attributes, err := repository.AssetRepository.FindAssetAttrMapByAssetId(ctx, s.AssetId)
@@ -132,9 +130,12 @@ func (api GuacamoleApi) Guacamole(c echo.Context) error {
 
 	if configuration.Protocol == constant.SSH {
 		nextTerminal, err := CreateNextTerminalBySession(s)
-		if err == nil {
-			nextSession.NextTerminal = nextTerminal
+		if err != nil {
+			utils.Disconnect(ws, NewSshClientError, "建立SSH客户端失败: "+err.Error())
+			log.Printf("[%v] 建立 ssh 客户端失败: %v", sessionId, err.Error())
+			return err
 		}
+		nextSession.NextTerminal = nextTerminal
 	}
 
 	nextSession.Observer = session.NewObserver(sessionId)

server/constant/const.go

@@ -5,7 +5,7 @@ import (
 )
 
 const (
-	AppVersion = "v1.2.6-beta"
+	AppVersion = "v1.2.7"
 	AppName    = "Next Terminal"
 	AppBanner  = `
 	_______                   __    ___________                  .__              .__

server/global/gateway/tunnel.go

@@ -24,33 +24,36 @@ type Tunnel struct {
 
 func (r *Tunnel) Open() {
 	localAddr := fmt.Sprintf("%s:%d", r.LocalHost, r.LocalPort)
+	for {
+		select {
+		case <-r.ctx.Done():
+			_ = r.listener.Close()
+			log.Debugf("SSH 隧道 %v 关闭", localAddr)
+			return
+		default:
+			log.Debugf("等待客户端访问 %v", localAddr)
+			localConn, err := r.listener.Accept()
+			if err != nil {
+				log.Debugf("接受连接失败 %v", err.Error())
+				continue
+			}
 
-	go func() {
-		<-r.ctx.Done()
-		_ = r.listener.Close()
-		log.Debugf("SSH 隧道 %v 关闭", localAddr)
-	}()
-	log.Debugf("等待客户端访问 %v", localAddr)
-	localConn, err := r.listener.Accept()
-	if err != nil {
-		r.err = err
-		return
-	}
+			log.Debugf("客户端 %v 连接至 %v", localConn.RemoteAddr().String(), localAddr)
+			remoteAddr := fmt.Sprintf("%s:%d", r.RemoteHost, r.RemotePort)
+			log.Debugf("连接远程主机 %v ...", remoteAddr)
+			remoteConn, err := r.Gateway.SshClient.Dial("tcp", remoteAddr)
+			if err != nil {
+				log.Debugf("连接远程主机 %v 失败", remoteAddr)
+				r.err = err
+				return
+			}
 
-	log.Debugf("客户端 %v 连接至 %v", localConn.RemoteAddr().String(), localAddr)
-	remoteAddr := fmt.Sprintf("%s:%d", r.RemoteHost, r.RemotePort)
-	log.Debugf("连接远程主机 %v ...", remoteAddr)
-	remoteConn, err := r.Gateway.SshClient.Dial("tcp", remoteAddr)
-	if err != nil {
-		log.Debugf("连接远程主机 %v 失败", remoteAddr)
-		r.err = err
-		return
+			log.Debugf("连接远程主机 %v 成功", remoteAddr)
+			go copyConn(localConn, remoteConn)
+			go copyConn(remoteConn, localConn)
+			log.Debugf("转发数据 [%v]->[%v]", localAddr, remoteAddr)
+		}
 	}
-
-	log.Debugf("连接远程主机 %v 成功", remoteAddr)
-	go copyConn(localConn, remoteConn)
-	go copyConn(remoteConn, localConn)
-	log.Debugf("转发数据 [%v]->[%v]", localAddr, remoteAddr)
 }
 
 func (r Tunnel) Close() {

web/package.json

@@ -1,6 +1,6 @@
 {
   "name": "next-terminal",
-  "version": "1.2.6-beta",
+  "version": "1.2.7",
   "private": true,
   "dependencies": {
     "@ant-design/charts": "^1.2.13",