public async Task AuthenticateAsync(AuthenticateContext context)
{
if (PriorHandler != null)
{
await PriorHandler.AuthenticateAsync(context);
if (_transform != null && context?.Principal != null)
{
var transformationContext = new ClaimsTransformationContext(_httpContext)
{
Principal = context.Principal
};
context.Authenticated(
await _transform.TransformAsync(transformationContext),
context.Properties,
context.Description);
}
}
}
public async Task Invoke(HttpContext context)
{
var handler = new ClaimsTransformationHandler(Options.Transformer, context);
handler.RegisterAuthenticationHandler(context.GetAuthentication());
try
{
if (Options.Transformer != null)
{
var transformationContext = new ClaimsTransformationContext(context)
{
Principal = context.User
};
context.User = await Options.Transformer.TransformAsync(transformationContext);
}
await _next(context);
}
finally
{
handler.UnregisterAuthenticationHandler(context.GetAuthentication());
}
}
public virtual Task<ClaimsPrincipal> TransformAsync(ClaimsTransformationContext context)
{
return OnTransform?.Invoke(context) ?? Task.FromResult(context.Principal);
}