private void ConfigureIPAddressRestrictions()
{
if (restrictionManager == null)
restrictionManager = new IPAddressRestrictionManager();
// Reset everything.
restrictionManager.ResetDisabledRules();
restrictionManager.DeleteRules();
// Apply settings.
if (IPAddressRestrictionConfiguration.IsEnabled())
restrictionManager.ApplySettings(IPAddressRestrictionConfiguration.GetSettings());
}
private void AddAllowedHostnames()
{
if (restrictionManager == null)
restrictionManager = new IPAddressRestrictionManager();
// First time we run the method.
if (hostnameRestrictions == null)
{
// Create a list which holds the previously created restrictions.
hostnameRestrictions = new List<Restriction>();
// Schedule refresh.
var hostnamesRefreshTimer = new System.Timers.Timer(5 * 60000);
hostnamesRefreshTimer.Elapsed += (s, e) => { AddAllowedHostnames(); };
hostnamesRefreshTimer.Start();
}
// Loop each configured hostname.
var hostNames = RoleEnvironment.GetConfigurationSettingValue("HostnamesAllowedToAccessPort80");
foreach (string hostName in hostNames.Contains(",") ? hostNames.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries) : new string[] { hostNames })
{
try
{
System.Diagnostics.Trace.WriteLine("Processing: " + hostName);
// Get each IP Address from the hostname.
var ipAddresses = System.Net.Dns.GetHostAddresses(hostName);
foreach (var ipAddress in ipAddresses)
{
if (!hostnameRestrictions.Any(o => o.Port == "80" && o.RemoteAddress == ipAddress.ToString()))
hostnameRestrictions.Add(new Restriction() { Port = "80", RemoteAddress = ipAddress.ToString(), NameSuffix = hostName });
}
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.ToString());
}
}
// Clean up old rules.
restrictionManager.DeleteRules();
restrictionManager.DeleteRules(hostnameRestrictions);
// Disable all standard rules on port 80.
restrictionManager.DisableRules("80");
// Create new rules mathing the hostname.
restrictionManager.Apply(hostnameRestrictions.ToArray(), false);
}
