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WindowsSecurity.cs
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WindowsSecurity.cs
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using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Reflection;
using System.Security;
using System.Security.Permissions;
using System.Security.Principal;
namespace HostsManager
{
public static class WindowsSecurity
{
public static bool HasAdministratorRights()
{
WindowsPrincipal pricipal = new WindowsPrincipal(WindowsIdentity.GetCurrent());
return pricipal.IsInRole(WindowsBuiltInRole.Administrator);
}
public static bool NeedsAdministratorRights()
{
var permissionSet = new PermissionSet(PermissionState.None);
var writePermission = new FileIOPermission(FileIOPermissionAccess.Write, HostsFileManager.Filename);
permissionSet.AddPermission(writePermission);
return permissionSet.IsSubsetOf(AppDomain.CurrentDomain.PermissionSet);
}
public static bool RunElevated()
{
ProcessStartInfo processInfo = new ProcessStartInfo();
processInfo.Verb = "runas";
processInfo.FileName = Assembly.GetExecutingAssembly().Location;
try
{
Process.Start(processInfo);
return true;
}
catch (Win32Exception) { }
return false;
}
}
}