/// <summary>
/// Authenticates current request.
/// </summary>
/// <param name="request"><see cref="HttpListenerRequest"/> instance.</param>
/// <returns>Authenticated <see cref="IPrincipal"/> instance.</returns>
private IPrincipal AuthenticateRequest(HttpListenerRequest request)
{
return(authenticationProvider.AuthenticateRequest(request.Headers, request.HttpMethod));
}
