private Task<HttpResponseMessage> HandleUnauthenticatedRequestImpl(HttpRequestMessage request, CancellationToken cancellationToken)
{
try
{
UnauthenticatedRequestContext unauthanticatedRequestContext = new UnauthenticatedRequestContext(request);
HandleUnauthenticatedRequest(unauthanticatedRequestContext);
if (unauthanticatedRequestContext.Response != null)
{
EnsureRequestMessageExistence(unauthanticatedRequestContext.Response, request);
return Task.FromResult<HttpResponseMessage>(unauthanticatedRequestContext.Response);
}
return base.SendAsync(request, cancellationToken);
}
catch (Exception e)
{
throw;
}
}
/// <summary>
/// Called when the request is unauthenticated.
/// </summary>
/// <param name="context">Context object which carries the HTTP request message to send to the server and the empty HTTP response property.</param>
protected virtual void HandleUnauthenticatedRequest(UnauthenticatedRequestContext context)
{
HttpResponseMessage unauthorizedResponseMessage = context.Request.CreateResponse(HttpStatusCode.Unauthorized);
unauthorizedResponseMessage.Headers.Add("WWW-Authenticate", _httpBasicSchemeName);
context.Response = unauthorizedResponseMessage;
}