private bool ValidateHost(Uri url)
{
var hosts = _config
.Configuration
.LocalNetworkAddresses
.Select(NormalizeConfiguredLocalAddress)
.ToList();
if (hosts.Count == 0)
{
return(true);
}
var host = url.Host ?? string.Empty;
_logger.Debug("Validating host {0}", host);
if (_networkManager.IsInPrivateAddressSpace(host))
{
hosts.Add("localhost");
hosts.Add("127.0.0.1");
return(hosts.Any(i => host.IndexOf(i, StringComparison.OrdinalIgnoreCase) != -1));
}
return(true);
}
/// <summary>
/// Executes the middleware action.
/// </summary>
/// <param name="httpContext">The current HTTP context.</param>
/// <param name="networkManager">The network manager.</param>
/// <param name="serverConfigurationManager">The server configuration manager.</param>
/// <returns>The async task.</returns>
public async Task Invoke(HttpContext httpContext, INetworkManager networkManager, IServerConfigurationManager serverConfigurationManager)
{
var currentHost = httpContext.Request.Host.ToString();
var hosts = serverConfigurationManager
.Configuration
.LocalNetworkAddresses
.Select(NormalizeConfiguredLocalAddress)
.ToList();
if (hosts.Count == 0)
{
await _next(httpContext).ConfigureAwait(false);
return;
}
currentHost ??= string.Empty;
if (networkManager.IsInPrivateAddressSpace(currentHost))
{
hosts.Add("localhost");
hosts.Add("127.0.0.1");
if (hosts.All(i => currentHost.IndexOf(i, StringComparison.OrdinalIgnoreCase) == -1))
{
return;
}
}
await _next(httpContext).ConfigureAwait(false);
}