private string GetUserPrincipalName(int nameFormat)
{
if (IsWindowsPlatform())
{
uint userNameSize = 0;
WindowsNativeMethods.GetUserNameEx(nameFormat, null, ref userNameSize);
if (userNameSize == 0)
{
throw new MsalClientException(
MsalError.GetUserNameFailed,
MsalErrorMessage.GetUserNameFailed,
new Win32Exception(Marshal.GetLastWin32Error()));
}
var sb = new StringBuilder((int)userNameSize);
if (!WindowsNativeMethods.GetUserNameEx(nameFormat, sb, ref userNameSize))
{
throw new MsalClientException(
MsalError.GetUserNameFailed,
MsalErrorMessage.GetUserNameFailed,
new Win32Exception(Marshal.GetLastWin32Error()));
}
return(sb.ToString());
}
throw new PlatformNotSupportedException(
"MSAL cannot determine the username (UPN) of the currently logged in user." +
"For Integrated Windows Authentication and Username/Password flows, please use .WithUsername() before calling ExecuteAsync(). " +
"For more details see https://aka.ms/msal-net-iwa");
}
protected override string InternalGetProcessorArchitecture()
{
return(DesktopOsHelper.IsWindows() ? WindowsNativeMethods.GetProcessorArchitecture() : null);
}