public static Task OnMessageReceived(MessageReceivedContext context) { var logger = GetLogger(context.HttpContext.RequestServices); AuthenticationLogMessages.HttpMessageReceiptHandling(logger); var options = context.HttpContext.RequestServices.GetRequiredService <IOptions <ApiAuthenticationOptions> >().Value; var cookies = context.Request.Cookies; if (cookies.TryGetValue(options.TokenHeaderAndPayloadCookieKey, out var tokenHeaderAndPayload) && cookies.TryGetValue(options.TokenSignatureCookieKey, out var tokenSignature)) { context.Token = $"{tokenHeaderAndPayload}.{tokenSignature}"; AuthenticationLogMessages.AuthenticationTokenExtracted(logger, context.Token); } AuthenticationLogMessages.AuthenticationTokenNotFound(logger, options.TokenHeaderAndPayloadCookieKey, options.TokenSignatureCookieKey); AuthenticationLogMessages.HttpMessageReceiptHandled(logger); return(Task.CompletedTask); }