ASP.NET 특정페이지(이벤트)에서 윈도우계정 권한 획득하기

using System.Security.Principal;
using System.Runtime.InteropServices;
using System.ComponentModel;

// 클릭이벤트에서 권한 획득
protected void btn_Click(object sender, EventArgs e)
{
    // Admin 권한 획득
    using (new Impersonator("컴퓨터계정", "IP주소", "비밀번호"))
   {
        // 권한 획득후 실행할 함수를 넣어주세요
   }
}

// 네트워크 권한 획득
public class Impersonator :IDisposable
{
    private WindowsImpersonationContext impersonationContext = null;
    private const int LOGON32_LOGON_INTERACTIVE = 2;
    private const int LOGON32_PROVIDER_DEFAULT = 0;

    [DllImport("advapi32.dll", SetLastError = true)]
    private static extern int LogonUser(string lpszUserName, string lpszDomain, string lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken);

    [DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
    private static extern int DuplicateToken(IntPtr hToken, int impersonationLevel, ref IntPtr hNewToken);

    [DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
    private static extern bool RevertToSelf();

    [DllImport("kernel32.dll", CharSet = CharSet.Auto)]
    private static extern bool CloseHandle(IntPtr handle);

    public Impersonator(string userName, string domainName, string password)
    {
        ImpersonateValidUser(userName, domainName, password);
    }

    public void Dispose()
    {
        UndoImpersonation();
    }

    private void ImpersonateValidUser(string userName, string domain, string password)
    {
        WindowsIdentity tempWindowsIdentity = null;
        IntPtr token = IntPtr.Zero;
        IntPtr tokenDuplicate = IntPtr.Zero;
        try
        {
            if (RevertToSelf())
            {
                if (LogonUser(
                    userName,
                    domain,
                    password,
                    LOGON32_LOGON_INTERACTIVE,
                    LOGON32_PROVIDER_DEFAULT,
                    ref token) != 0)
                {
                    if (DuplicateToken(token, 2, ref tokenDuplicate) != 0)
                    {
                        tempWindowsIdentity = new WindowsIdentity(tokenDuplicate);
                        impersonationContext = tempWindowsIdentity.Impersonate();
                    }
                    else
                    {
                        throw new Win32Exception(Marshal.GetLastWin32Error());
                    }
                }
                else
                {
                    throw new Win32Exception(Marshal.GetLastWin32Error());
                }
            }
            else
            {
                throw new Win32Exception(Marshal.GetLastWin32Error());
            }
        }
        finally
        {
            if (token != IntPtr.Zero)
            {
                CloseHandle(token);
            }

     if (tokenDuplicate != IntPtr.Zero)
            {
                CloseHandle(tokenDuplicate);
            }
        }
    }

    private void UndoImpersonation()
    {
        if (impersonationContext != null)
        {
            impersonationContext.Undo();
        }
    }
}

// 참고 : 전체 페이지 에서 윈도우 계정 권한 획득 - wep.config 파일에 아래와 같이 첨부
//