GUI桌面环境

utils/FileSecurity.cs

@@ -0,0 +1,104 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace CMLeonOS.Utils
+{
+    public static class FileSecurity
+    {
+        public static bool IsSecure(string path)
+        {
+            if (string.IsNullOrWhiteSpace(path))
+            {
+                return false;
+            }
+
+            string fileName = Path.GetFileName(path);
+
+            string[] insecureExtensions = { ".exe", ".bat", ".cmd", ".sh", ".ps1" };
+            string extension = Path.GetExtension(fileName).ToLower();
+
+            foreach (string insecureExt in insecureExtensions)
+            {
+                if (extension == insecureExt)
+                {
+                    return false;
+                }
+            }
+
+            string[] insecureNames = { "autoexec", "config", "system" };
+            string nameWithoutExt = Path.GetFileNameWithoutExtension(fileName).ToLower();
+
+            foreach (string insecureName in insecureNames)
+            {
+                if (nameWithoutExt.Contains(insecureName))
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        public static string GetSecurityLevel(string path)
+        {
+            if (!IsSecure(path))
+            {
+                return "Insecure";
+            }
+            return "Secure";
+        }
+
+        public static bool CanExecute(string path)
+        {
+            if (!File.Exists(path))
+            {
+                return false;
+            }
+
+            string extension = Path.GetExtension(path).ToLower();
+            string[] executableExtensions = { ".exe", ".bat", ".cmd", ".sh", ".ps1" };
+
+            foreach (string execExt in executableExtensions)
+            {
+                if (extension == execExt)
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        public static bool CanRead(string path)
+        {
+            return File.Exists(path) || Directory.Exists(path);
+        }
+
+        public static bool CanAccess(string path)
+        {
+            return CanRead(path) && CanWrite(path);
+        }
+
+        public static bool CanWrite(string path)
+        {
+            try
+            {
+                string dir = Path.GetDirectoryName(path);
+                if (!Directory.Exists(dir))
+                {
+                    return false;
+                }
+
+                string testFile = Path.Combine(dir, ".write_test");
+                File.WriteAllText(testFile, "test");
+                File.Delete(testFile);
+                return true;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+    }
+}