public static extern bool LogonUser(
string lpszUserName,
string lpszDomain,
IntPtr pPassword,
LogonType dwLogonType,
LogonProviderType dwLogonProvider,
out IntPtr phToken);
public Impersonation(SecureString domain, SecureString username, SecureString password, LogonType logonType = LogonType.LogonInteractive, LogonProviderType logonProviderType = LogonProviderType.Default)
{
//#if DEBUG
if (!LogonUser(username.ToUnsecureString(), domain.ToUnsecureString(), password.ToUnsecureString(), (int)logonType, (int)logonProviderType, out _handle))
{
throw new ApplicationException(
string.Format(
"Could not impersonate the elevated user. LogonUser returned error code {0}.",
Marshal.GetLastWin32Error()));
}
//#endif
if (!domain.IsReadOnly())
{
domain.Clear();
}
if (!username.IsReadOnly())
{
username.Clear();
}
if (!password.IsReadOnly())
{
password.Clear();
}
//#if DEBUG
_context = WindowsIdentity.Impersonate(_handle.DangerousGetHandle());
//#endif
}
