Delete handler directory

handler/terminal_ws_unix.go

@@ -1,112 +0,0 @@
-//go:build !windows
-
-package handler
-
-import (
-	"encoding/json"
-	"net/http"
-	"os"
-	"os/exec"
-	"time"
-
-	"github.com/creack/pty"
-	"github.com/gin-gonic/gin"
-	"github.com/gorilla/websocket"
-)
-
-// terminalResize is sent by the frontend when the xterm.js terminal is resized.
-type terminalResize struct {
-	Type string `json:"type"`
-	Cols uint16 `json:"cols"`
-	Rows uint16 `json:"rows"`
-}
-
-// wsUpgrader 仅用于系统设置中的终端 WebSocket，会复用已有的登录保护（JWT 中间件在上层路由组）
-var wsUpgrader = websocket.Upgrader{
-	CheckOrigin: func(r *http.Request) bool {
-		// 由于已在 Gin 路由层做了认证，这里放宽 Origin，方便在同一域名下通过 HTTPS/WSS 访问
-		return true
-	},
-}
-
-// RunCommandWS 提供真正交互式 Shell：基于 WebSocket + PTY 的长会话
-// 前端建立 WebSocket 连接后，所有键盘输入都会透传到 Shell，Shell 的输出也会实时写回前端。
-func (h *TerminalHandler) RunCommandWS(c *gin.Context) {
-	conn, err := wsUpgrader.Upgrade(c.Writer, c.Request, nil)
-	if err != nil {
-		return
-	}
-	defer conn.Close()
-
-	// 启动交互式 Shell，这里优先使用 bash，找不到则退回 sh
-	shell := "bash"
-	if _, err := exec.LookPath(shell); err != nil {
-		shell = "sh"
-	}
-	cmd := exec.Command(shell)
-	cmd.Env = append(os.Environ(),
-		"COLUMNS=80",
-		"LINES=24",
-		"TERM=xterm-256color",
-	)
-
-	// Use 80x24 as a safe default; the frontend will send the actual size immediately after connecting.
-	ptmx, err := pty.StartWithSize(cmd, &pty.Winsize{Cols: 80, Rows: 24})
-	if err != nil {
-		return
-	}
-	defer ptmx.Close()
-
-	// Shell -> WebSocket：将 PTY 输出实时发给前端
-	doneChan := make(chan struct{})
-	go func() {
-		buf := make([]byte, 4096)
-		for {
-			n, err := ptmx.Read(buf)
-			if n > 0 {
-				_ = conn.WriteMessage(websocket.BinaryMessage, buf[:n])
-			}
-			if err != nil {
-				break
-			}
-		}
-		close(doneChan)
-	}()
-
-	// WebSocket -> Shell：将前端输入写入 PTY（包括 sudo 密码、Ctrl+C 等）
-	conn.SetReadLimit(64 * 1024)
-	_ = conn.SetReadDeadline(time.Now().Add(terminalTimeout))
-	conn.SetPongHandler(func(string) error {
-		_ = conn.SetReadDeadline(time.Now().Add(terminalTimeout))
-		return nil
-	})
-
-	for {
-		msgType, data, err := conn.ReadMessage()
-		if err != nil {
-			_ = cmd.Process.Kill()
-			break
-		}
-		if msgType != websocket.TextMessage && msgType != websocket.BinaryMessage {
-			continue
-		}
-		if len(data) == 0 {
-			continue
-		}
-		// Check if this is a resize message (JSON with type:"resize")
-		if msgType == websocket.TextMessage && len(data) > 0 && data[0] == '{' {
-			var resize terminalResize
-			if json.Unmarshal(data, &resize) == nil && resize.Type == "resize" && resize.Cols > 0 && resize.Rows > 0 {
-				_ = pty.Setsize(ptmx, &pty.Winsize{Cols: resize.Cols, Rows: resize.Rows})
-				continue
-			}
-		}
-		if _, err := ptmx.Write(data); err != nil {
-			_ = cmd.Process.Kill()
-			break
-		}
-	}
-
-	<-doneChan
-}
-