feat: add authenticated user info and restructure handleConnection

- Display authenticated username in welcome page information box
- Refactor handleConnection function for better structure and clarity

server/server.go

@@ -2,9 +2,11 @@ package server
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log"
 	"net"
+	"time"
 	"tunnel_pls/internal/config"
 	"tunnel_pls/internal/grpc/client"
 	"tunnel_pls/session"
@@ -64,30 +66,32 @@ func (s *Server) Start() {
 
 func (s *Server) handleConnection(conn net.Conn) {
 	sshConn, chans, forwardingReqs, err := ssh.NewServerConn(conn, s.config)
-	defer func(sshConn *ssh.ServerConn) {
-		err = sshConn.Close()
-		if err != nil {
-			log.Printf("failed to close SSH server: %v", err)
-		}
-	}(sshConn)
-
 	if err != nil {
 		log.Printf("failed to establish SSH connection: %v", err)
-		err := conn.Close()
+		err = conn.Close()
 		if err != nil {
 			log.Printf("failed to close SSH connection: %v", err)
 			return
 		}
 		return
 	}
-	ctx := context.Background()
-	log.Println("SSH connection established:", sshConn.User())
+
+	defer func(sshConn *ssh.ServerConn) {
+		err = sshConn.Close()
+		if err != nil && !errors.Is(err, net.ErrClosed) {
+			log.Printf("failed to close SSH server: %v", err)
+		}
+	}(sshConn)
 
 	user := "UNAUTHORIZED"
 	if s.grpcClient != nil {
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
 		_, u, _ := s.grpcClient.AuthorizeConn(ctx, sshConn.User())
 		user = u
+		cancel()
 	}
+
+	log.Println("SSH connection established:", sshConn.User())
 	sshSession := session.New(sshConn, forwardingReqs, chans, s.sessionRegistry, user)
 	err = sshSession.Start()
 	if err != nil {

session/interaction/interaction.go

@@ -672,22 +672,32 @@ func (m *model) View() string {
 		MarginBottom(boxMargin).
 		Width(boxMaxWidth)
 
-	urlDisplay := m.getTunnelURL()
-	if shouldUseCompactLayout(m.width, 80) && len(urlDisplay) > m.width-20 {
-		maxLen := m.width - 25
-		if maxLen > 10 {
-			urlDisplay = truncateString(urlDisplay, maxLen)
-		}
-	}
+	authenticatedUser := m.interaction.lifecycle.GetUser()
+
+	userInfoStyle := lipgloss.NewStyle().
+		Foreground(lipgloss.Color("#FAFAFA")).
+		Bold(true)
+
+	sectionHeaderStyle := lipgloss.NewStyle().
+		Foreground(lipgloss.Color("#888888")).
+		Bold(true)
+
+	addressStyle := lipgloss.NewStyle().
+		Foreground(lipgloss.Color("#FAFAFA"))
 
 	var infoContent string
 	if shouldUseCompactLayout(m.width, 70) {
-		infoContent = fmt.Sprintf("🌐 %s", urlBoxStyle.Render(urlDisplay))
-	} else if isCompact {
-		infoContent = fmt.Sprintf("🌐  Forwarding to:\n\n     %s", urlBoxStyle.Render(urlDisplay))
+		infoContent = fmt.Sprintf("👤 %s\n\n%s\n%s",
+			userInfoStyle.Render(authenticatedUser),
+			sectionHeaderStyle.Render("🌐 FORWARDING ADDRESS:"),
+			addressStyle.Render(fmt.Sprintf("   %s", urlBoxStyle.Render(m.getTunnelURL()))))
 	} else {
-		infoContent = fmt.Sprintf("🌐  F O R W A R D I N G   T O:\n\n     %s", urlBoxStyle.Render(urlDisplay))
+		infoContent = fmt.Sprintf("👤  Authenticated as: %s\n\n%s\n     %s",
+			userInfoStyle.Render(authenticatedUser),
+			sectionHeaderStyle.Render("🌐  FORWARDING ADDRESS:"),
+			addressStyle.Render(urlBoxStyle.Render(m.getTunnelURL())))
 	}
+
 	b.WriteString(responsiveInfoBox.Render(infoContent))
 	b.WriteString("\n")