private string TryLookupForwardHeader(HttpRequest httpRequest, LogEventInfo logEvent)
{
var headerName = ForwardedForHeader.Render(logEvent);
if (httpRequest.Headers?.ContainsKey(headerName) == true)
{
var forwardedHeaders = httpRequest.Headers.GetCommaSeparatedValues(headerName);
if (forwardedHeaders.Length > 0)
{
return(forwardedHeaders[0]);
}
}
return(string.Empty);
}
string TryLookupForwardHeader(HttpRequestBase httpRequest, LogEventInfo logEvent)
{
var headerName = ForwardedForHeader.Render(logEvent);
var forwardedHeader = httpRequest.Headers[headerName];
if (!string.IsNullOrEmpty(forwardedHeader))
{
var addresses = forwardedHeader.Split(',');
if (addresses.Length > 0)
{
return(addresses[0]);
}
}
return(string.Empty);
}