static void VerifyIisDetected(HttpContext context)
{
TryInitializeHosting();
if (Iis == null)
{
lock (_syncRoot)
{
if (Iis == null)
{
if (context == null)
{
throw new InvalidOperationException();
}
Iis iisVersion = null;
string serverSoftwareHeader = context.Request.ServerVariables[SERVER_SOFTWARE_KEY];
int slashPos = serverSoftwareHeader != null?serverSoftwareHeader.IndexOf('/') : -1;
if (slashPos != -1)
{
string productName = serverSoftwareHeader.Substring(0, slashPos);
Version parsedVersion;
try
{
parsedVersion = new Version(serverSoftwareHeader.Substring(slashPos + 1, serverSoftwareHeader.Length - slashPos - 1).Trim());
}
catch
{
parsedVersion = null;
}
if (productName.EqualsOrdinalIgnoreCase("microsoft-iis") &&
parsedVersion != null &&
parsedVersion.Major >= 7)
{
iisVersion = new Iis7();
}
}
Iis = iisVersion ?? new Iis6();
Log.IisDetected(Iis, serverSoftwareHeader);
}
}
}
}
public static void IisDetected(this ILogger<AspNetLogSource> log, Iis iisVersion, string productHeader)
{
log.WriteDebug("Loaded IIS abstraction {0} for product header \"{1}\".", iisVersion.GetType().Name, productHeader);
}
public static void IisDetected(this ILogger <AspNetLogSource> log, Iis iisVersion, string productHeader)
{
log.WriteDebug("Loaded IIS abstraction {0} for product header \"{1}\".", iisVersion.GetType().Name, productHeader);
}
static bool HandlerAlreadyMapped(string method, Uri path)
{
return(Iis.IsHandlerAlreadyRegisteredForRequest(method, path));
}