feat: Initial commit

2025-12-20 09:30:16 +08:00
commit 362237241e
189 changed files with 12035 additions and 0 deletions
@@ -0,0 +1,249 @@
+package controllers
+
+import (
+	"bufio"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"runtime"
+	"sync"
+	"unicode/utf8"
+
+	"baihu/internal/constant"
+	"baihu/internal/utils"
+
+	"github.com/creack/pty"
+	"github.com/gin-gonic/gin"
+	"github.com/gorilla/websocket"
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/transform"
+)
+
+type TerminalController struct{}
+
+func NewTerminalController() *TerminalController {
+	return &TerminalController{}
+}
+
+var upgrader = websocket.Upgrader{
+	CheckOrigin: func(r *http.Request) bool {
+		return true
+	},
+}
+
+// toUTF8 将可能是 GBK 编码的字节转换为 UTF-8
+func toUTF8(data []byte) string {
+	if utf8.Valid(data) {
+		return string(data)
+	}
+	// 尝试从 GBK 转换
+	reader := transform.NewReader(
+		bufio.NewReader(
+			&byteReader{data: data},
+		),
+		simplifiedchinese.GBK.NewDecoder(),
+	)
+	result, err := io.ReadAll(reader)
+	if err != nil {
+		return string(data)
+	}
+	return string(result)
+}
+
+type byteReader struct {
+	data []byte
+	pos  int
+}
+
+func (r *byteReader) Read(p []byte) (n int, err error) {
+	if r.pos >= len(r.data) {
+		return 0, io.EOF
+	}
+	n = copy(p, r.data[r.pos:])
+	r.pos += n
+	return n, nil
+}
+
+func (tc *TerminalController) HandleWebSocket(c *gin.Context) {
+	conn, err := upgrader.Upgrade(c.Writer, c.Request, nil)
+	if err != nil {
+		return
+	}
+	defer conn.Close()
+
+	// Windows 使用 pipe 模式，Unix 使用 PTY 模式
+	if runtime.GOOS == "windows" {
+		tc.handlePipeMode(conn)
+	} else {
+		tc.handlePtyMode(conn)
+	}
+}
+
+// handlePtyMode 使用 PTY 处理终端（Unix/macOS）
+func (tc *TerminalController) handlePtyMode(conn *websocket.Conn) {
+	// 发送 PTY 模式标识
+	conn.WriteMessage(websocket.TextMessage, []byte("__PTY_MODE__"))
+
+	cmd := utils.NewShellCmd()
+
+	if absDir, err := filepath.Abs(constant.ScriptsWorkDir); err == nil {
+		cmd.Dir = absDir
+	}
+
+	cmd.Env = append(os.Environ(), "TERM=xterm-256color")
+
+	ptmx, err := pty.Start(cmd)
+	if err != nil {
+		conn.WriteMessage(websocket.TextMessage, []byte("Error starting shell: "+err.Error()))
+		return
+	}
+	defer ptmx.Close()
+
+	pty.Setsize(ptmx, &pty.Winsize{Rows: 24, Cols: 80})
+
+	var wg sync.WaitGroup
+	var connMu sync.Mutex
+
+	writeMessage := func(data []byte) {
+		connMu.Lock()
+		defer connMu.Unlock()
+		conn.WriteMessage(websocket.TextMessage, data)
+	}
+
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		buf := make([]byte, 4096)
+		for {
+			n, err := ptmx.Read(buf)
+			if err != nil {
+				return
+			}
+			if n > 0 {
+				text := toUTF8(buf[:n])
+				writeMessage([]byte(text))
+			}
+		}
+	}()
+
+	for {
+		_, message, err := conn.ReadMessage()
+		if err != nil {
+			break
+		}
+		if _, err := ptmx.Write(message); err != nil {
+			break
+		}
+	}
+
+	cmd.Process.Kill()
+	cmd.Wait()
+	wg.Wait()
+}
+
+// handlePipeMode 使用 pipe 处理终端（Windows）
+func (tc *TerminalController) handlePipeMode(conn *websocket.Conn) {
+	// 发送 pipe 模式标识
+	conn.WriteMessage(websocket.TextMessage, []byte("__PIPE_MODE__"))
+
+	cmd := utils.NewShellCmd()
+
+	if absDir, err := filepath.Abs(constant.ScriptsWorkDir); err == nil {
+		cmd.Dir = absDir
+	}
+
+	stdin, err := cmd.StdinPipe()
+	if err != nil {
+		conn.WriteMessage(websocket.TextMessage, []byte("Error: "+err.Error()))
+		return
+	}
+
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		conn.WriteMessage(websocket.TextMessage, []byte("Error: "+err.Error()))
+		return
+	}
+
+	stderr, err := cmd.StderrPipe()
+	if err != nil {
+		conn.WriteMessage(websocket.TextMessage, []byte("Error: "+err.Error()))
+		return
+	}
+
+	if err := cmd.Start(); err != nil {
+		conn.WriteMessage(websocket.TextMessage, []byte("Error: "+err.Error()))
+		return
+	}
+
+	var wg sync.WaitGroup
+	var connMu sync.Mutex
+
+	writeMessage := func(data []byte) {
+		connMu.Lock()
+		defer connMu.Unlock()
+		conn.WriteMessage(websocket.TextMessage, data)
+	}
+
+	readOutput := func(reader io.Reader) {
+		defer wg.Done()
+		defer func() { recover() }()
+		buf := make([]byte, 4096)
+		for {
+			n, err := reader.Read(buf)
+			if err != nil {
+				return
+			}
+			if n > 0 {
+				text := toUTF8(buf[:n])
+				writeMessage([]byte(text))
+			}
+		}
+	}
+
+	wg.Add(2)
+	go readOutput(stdout)
+	go readOutput(stderr)
+
+	for {
+		_, message, err := conn.ReadMessage()
+		if err != nil {
+			break
+		}
+		if _, err := stdin.Write(message); err != nil {
+			break
+		}
+	}
+
+	stdin.Close()
+	cmd.Process.Kill()
+	cmd.Wait()
+	wg.Wait()
+}
+
+// ExecuteShellCommand 执行单个命令并返回结果
+func (tc *TerminalController) ExecuteShellCommand(c *gin.Context) {
+	var req struct {
+		Command string `json:"command" binding:"required"`
+	}
+
+	if err := c.ShouldBindJSON(&req); err != nil {
+		utils.BadRequest(c, err.Error())
+		return
+	}
+
+	cmd := utils.NewShellCommandCmd(req.Command)
+	output, err := cmd.CombinedOutput()
+
+	if err != nil {
+		utils.Success(c, gin.H{
+			"output": string(output),
+			"error":  err.Error(),
+		})
+		return
+	}
+
+	utils.Success(c, gin.H{
+		"output": string(output),
+	})
+}