更新前后端代码

go/internal/middleware/permission.go

@@ -0,0 +1,28 @@
+package middleware
+
+import (
+	"github.com/gin-gonic/gin"
+
+	"filestoragesystem/internal/utils"
+)
+
+// RequirePermission 权限检查中间件；super_admin拥有全部权限
+func RequirePermission(code string) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		perms, ok := c.Get(CtxPermissions)
+		if !ok {
+			utils.Unauthorized(c, "未认证")
+			return
+		}
+		m, ok := perms.(map[string]bool)
+		if !ok {
+			utils.Forbidden(c, "权限信息异常")
+			return
+		}
+		if m["*"] || m[code] {
+			c.Next()
+			return
+		}
+		utils.Forbidden(c, "没有操作权限: "+code)
+	}
+}