DotNet · 2013年5月9日

添加文件权限和删除文件权限(测试OK)

using System;
using System.IO;
using System.Security.AccessControl;

namespace FileSystemExample
{
    class FileExample
    {
        public static void Main()
        {
            try
            {
                string fileName = “test.xml”;

                Console.WriteLine(“Adding access control entry for ” 
                    + fileName);

                // Add the access control entry to the file.
                AddFileSecurity(fileName, @”DomainName\AccountName”,
                    FileSystemRights.ReadData, AccessControlType.Allow);

                Console.WriteLine(“Removing access control entry from ” 
                    + fileName);

                // Remove the access control entry from the file.
                RemoveFileSecurity(fileName, @”DomainName\AccountName”, 
                    FileSystemRights.ReadData, AccessControlType.Allow);

                Console.WriteLine(“Done.”);
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }
        }

        // Adds an ACL entry on the specified file for the specified account.
        public static void AddFileSecurity(string fileName, string account, 
            FileSystemRights rights, AccessControlType controlType)
        {
            

            // Get a FileSecurity object that represents the 
            // current security settings.
            FileSecurity fSecurity = File.GetAccessControl(fileName);

            // Add the FileSystemAccessRule to the security settings. 
            fSecurity.AddAccessRule(new FileSystemAccessRule(account,
                rights, controlType));

            // Set the new access settings.
            File.SetAccessControl(fileName, fSecurity);

        }

        // Removes an ACL entry on the specified file for the specified account.
        public static void RemoveFileSecurity(string fileName, string account, 
            FileSystemRights rights, AccessControlType controlType)
        {

            // Get a FileSecurity object that represents the 
            // current security settings.
            FileSecurity fSecurity = File.GetAccessControl(fileName);

            // Add the FileSystemAccessRule to the security settings. 
            fSecurity.RemoveAccessRule(new FileSystemAccessRule(account,
                rights, controlType));

            // Set the new access settings.
            File.SetAccessControl(fileName, fSecurity);

        }
    }
} 

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