feat(system): add restart server endpoint with authentication

docs/api.md

@@ -129,6 +129,32 @@ X-Timestamp: 1704067200000
 
 ---
 
+## Restart Server
+
+**Endpoint:** `/system/restart`
+**Method:** GET
+**Permission Level:** Admin
+
+**Request Headers:**
+```
+X-Token: your_token
+X-Timestamp: 1704067200000
+```
+| Header | Type | Required | Description |
+|--------|------|----------|-------------|
+| X-Token | string | Yes | Authentication token |
+| X-Timestamp | int64 | Yes | Client timestamp in milliseconds |
+
+**Response:**
+```json
+{
+  "success": true,
+  "message": "Restarting server..."
+}
+```
+
+---
+
 ## Register User
 
 **Endpoint:** `/register`  

router.go

@@ -18,6 +18,7 @@ func setupRoutes() {
 	http.HandleFunc("/api/system/getStatus", GetStatusHandler)
 	http.HandleFunc("/api/system/getSoftwareInfo", GetSoftwareInfoHandler)
 	http.HandleFunc("/api/system/selfCheck", sys.SelfCheckHandler)
+	http.HandleFunc("/api/system/restart", utils.RestartHandler)
 
 	http.HandleFunc("/api/system/settings/get", handlers.GetSettingsHandler)
 	http.HandleFunc("/api/system/settings/set", handlers.SetSettingsHandler)

utils/handlers.go

@@ -4,10 +4,11 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
-	"strconv"
 	"os"
-	"time"
+	"os/exec"
+	"strconv"
 	"strings"
+	"time"
 
 	"super-frpc/database"
 	"super-frpc/global"
@@ -167,3 +168,35 @@ func IsFileExist(filePath string) bool {
 	_, err := os.Stat(filePath)
 	return !os.IsNotExist(err)
 }
+
+func RestartHandler(w http.ResponseWriter, r *http.Request) {
+	userID, err := Auth(w, r, http.MethodGet, "superuser", "admin")
+	if err != nil {
+		SendErrorResponse(w, http.StatusUnauthorized, "invalid token or timestamp")
+		postLog.Warning(fmt.Sprintf("[RestartHandler] Auth failed: %v, userID: %d", err, userID))
+		return
+	}
+	err = RestartProcess()
+	if err != nil {
+		SendErrorResponse(w, http.StatusInternalServerError, fmt.Sprintf("failed to restart: %v", err))
+		postLog.Error(fmt.Sprintf("[RestartHandler] [%d] failed to restart: %v", userID, err))
+		return
+	}
+	SendSuccessResponse(w, "Restarting server...", nil)
+	postLog.Info(fmt.Sprintf("[RestartHandler] [%d] Restarting server", userID))
+}
+
+func RestartProcess() error {
+	executable, err := os.Executable()
+	if err != nil {
+		return fmt.Errorf("failed to get executable path: %w", err)
+	}
+	cmd := exec.Command(executable)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if err := cmd.Start(); err != nil {
+		return fmt.Errorf("failed to start new process: %w", err)
+	}
+	os.Exit(0)
+	return nil
+}