using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Security.AccessControl;

using System.Text;

using System.Threading.Tasks;

namespace CvNetVideo.Play

{

    /// <summary>

    /// 目录权限辅助类

    /// </summary>

    public class DictionaryHelper

    {

        /// <summary>

        /// 需要足够的权限才能执行此操作:Get filepath rights

        /// </summary>

        /// <param name="path"></param>

        /// <returns></returns>

        public static List<FileSystemRights> GetRights(string path)

        {

            List<FileSystemRights> ret = new List<FileSystemRights>();

            DirectorySecurity dirSec = Directory.GetAccessControl(path, AccessControlSections.All);

            AuthorizationRuleCollection rules = dirSec.GetAccessRules(true, true, typeof(System.Security.Principal.NTAccount));

            foreach (FileSystemAccessRule rule in rules)

            {

                ret.Add(rule.FileSystemRights);

            }

            return ret;

        }

        //public static void AccessExample() {

        //    try

        //    {

        //        string DirectoryName = "TestDirectory";

        //        Console.WriteLine("Adding access control entry for " + DirectoryName);

        //        // Add the access control entry to the directory.

        //        AddDirectorySecurity(DirectoryName, @"MYDOMAIN\MyAccount", FileSystemRights.ReadData, AccessControlType.Allow);

        //        Console.WriteLine("Removing access control entry from " + DirectoryName);

        //        // Remove the access control entry from the directory.

        //        RemoveDirectorySecurity(DirectoryName, @"MYDOMAIN\MyAccount", FileSystemRights.ReadData, AccessControlType.Allow);

        //        Console.WriteLine("Done.");

        //    }

        //    catch (Exception e)

        //    {

        //        Console.WriteLine(e);

        //    }

        //    Console.ReadLine();

        //}

        // Adds an ACL entry on the specified directory for the specified account.

        public static void AddDirectorySecurity(string FileName, string Account, FileSystemRights Rights, AccessControlType ControlType)

        {

            // Create a new DirectoryInfo object.

            DirectoryInfo dInfo = new DirectoryInfo(FileName);

            // Get a DirectorySecurity object that represents the

            // current security settings.

            DirectorySecurity dSecurity = dInfo.GetAccessControl();

            // Add the FileSystemAccessRule to the security settings.

            dSecurity.AddAccessRule(new FileSystemAccessRule(Account,

                                                            Rights,

                                                            ControlType));

            // Set the new access settings.

            dInfo.SetAccessControl(dSecurity);

        }

        // Removes an ACL entry on the specified directory for the specified account.

        public static void RemoveDirectorySecurity(string FileName, string Account, FileSystemRights Rights, AccessControlType ControlType)

        {

            // Create a new DirectoryInfo object.

            DirectoryInfo dInfo = new DirectoryInfo(FileName);

            // Get a DirectorySecurity object that represents the

            // current security settings.

            DirectorySecurity dSecurity = dInfo.GetAccessControl();

            // Add the FileSystemAccessRule to the security settings.

            dSecurity.RemoveAccessRule(new FileSystemAccessRule(Account,

                                                            Rights,

                                                            ControlType));

            // Set the new access settings.

            dInfo.SetAccessControl(dSecurity);

        }

    }

}