public TrotterWatchMiddleware(RequestDelegate next, TrotterWatchOptions options)
{
_next = next;
_continueChecks = options.ContinueChecks;
_rblProviders = options.RblProviders is null?ProviderFactory.ReturnRblItems() : ProviderFactory.ReturnRblItems(options.RblProviders);
_logger = new TrotterLog(options.Logger);
}
/// <summary>
/// Checks requests IP and/or Hostname against the Rbl's database
/// </summary>
/// <param name="context"></param>
/// <param name="logger"></param>
/// <returns></returns>
public async Task <bool> CheckProvider(HttpContext context, TrotterLog logger)
{
_logger = logger;
_context = context;
var requestIp = context.Connection.RemoteIpAddress;
var formattedIp = FormatIp(requestIp);
if (ProviderType == RblType.Both || ProviderType == RblType.Hostname)
{
_logger.LogEvent(LogLevel.Information, "Initiating PTR Lookup & Hostname check...");
await PtrLookupIp(requestIp);
await RblHostLookup(_requestHostname.HostName);
_logger.LogEvent(LogLevel.Information, "PTR Lookup & Hostname check completed!");
}
_logger.LogEvent(LogLevel.Information, "Initiating IP Lookup against RBL");
await RblHostLookup(formattedIp);
_logger.LogEvent(LogLevel.Information, $"RBL Lookup has completed for {ProviderName}");
return(_isListed);
}
