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using System;
using System.Collections.Generic;
using System.Linq;
using System.Management;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using Tango.PPC.Common.Scripting;
namespace Tango.PPC.Common.OS
{
using System.Collections.ObjectModel;
using SLID = Guid; //SLID id declaration as typedef GUID SLID; in slpublic.h
/// <summary>
/// Represents the default windows activation manager.
/// </summary>
/// <seealso cref="Tango.PPC.Common.OS.IOperationSystemManager" />
public class DefaultOperationSystemManager : IOperationSystemManager
{
#region Win32
private enum SL_GENUINE_STATE
{
SL_GEN_STATE_IS_GENUINE = 0,
SL_GEN_STATE_INVALID_LICENSE = 1,
SL_GEN_STATE_TAMPERED = 2,
SL_GEN_STATE_OFFLINE = 3,
SL_GEN_STATE_LAST = 4
}
[DllImportAttribute("Slwga.dll", EntryPoint = "SLIsGenuineLocal", CharSet = CharSet.None, ExactSpelling = false, SetLastError = false, PreserveSig = true, CallingConvention = CallingConvention.Winapi, BestFitMapping = false, ThrowOnUnmappableChar = false)]
[PreserveSigAttribute()]
private static extern uint SLIsGenuineLocal(ref SLID slid, [In, Out] ref SL_GENUINE_STATE genuineState, IntPtr val3);
#endregion
/// <summary>
/// Determines whether the OS is activated.
/// </summary>
/// <returns></returns>
public Task<bool> IsActivated()
{
return Task.Factory.StartNew<bool>(() =>
{
Guid ApplicationID = new Guid("55c92734-d682-4d71-983e-d6ec3f16059f"); //Application ID GUID http://technet.microsoft.com/en-us/library/dd772270.aspx
SLID windowsSlid = (Guid)ApplicationID;
try
{
SL_GENUINE_STATE genuineState = SL_GENUINE_STATE.SL_GEN_STATE_LAST;
uint ResultInt = SLIsGenuineLocal(ref windowsSlid, ref genuineState, IntPtr.Zero);
if (ResultInt == 0)
{
return (genuineState == SL_GENUINE_STATE.SL_GEN_STATE_IS_GENUINE);
}
else
{
throw new InvalidOperationException("An error occurred while trying to get the OS activation status.");
}
}
catch (Exception ex)
{
throw ex;
}
});
}
/// <summary>
/// Activates the OS using the specified activation key.
/// </summary>
/// <param name="activationKey">The activation key.</param>
/// <returns></returns>
public async Task Activate(string activationKey)
{
CmdCommand command = new CmdCommand("cscript", $"C:\\Windows\\System32\\slmgr.vbs -ipk {activationKey}");
await command.Run();
if (!await IsActivated())
{
throw new ApplicationException("The activation was completed but activation status returned a false response.");
}
}
/// <summary>
/// Deactivates the OS license.
/// </summary>
/// <returns></returns>
/// <exception cref="System.NotImplementedException"></exception>
public Task Deactivate()
{
throw new NotImplementedException("Deactivating windows license is not supported.");
}
/// <summary>
/// Gets the available time zones.
/// </summary>
/// <returns></returns>
public ReadOnlyCollection<TimeZoneInfo> GetAvailableTimeZones()
{
return TimeZoneInfo.GetSystemTimeZones();
}
/// <summary>
/// Changes the operation system time zone.
/// </summary>
/// <param name="timeZone">The time zone.</param>
/// <returns></returns>
public async Task ChangeTimeZone(TimeZoneInfo timeZone)
{
CmdCommand cmd = new CmdCommand("tzutil", $"/s \"{timeZone.Id}\"");
await cmd.Run();
}
}
}
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