public static void ToIpString(string expected, int ipnum)
{
// Arrange
// Act
var result = IpNumberHelper.ToIpString(ipnum);
// Assert
Assert.Equal(expected, result);
}
public static void Netmask(string expected, int cidr)
{
// Arrange
// Act
var result = IpNumberHelper.Netmask(cidr);
// Assert
Assert.Equal(expected, IpNumberHelper.ToIpString(result));
}
public static void Random(string ip)
{
// Arrange
// Act
var ipnum = IpNumberHelper.ToIpNumber(ip);
var result = IpNumberHelper.ToIpString(ipnum);
// Assert
Assert.Equal(ip, result);
}
public static void Broadcast(string expected, string ip, int cidr)
{
// Arrange
var mask = IpNumberHelper.Netmask(cidr);
var ipnum = IpNumberHelper.Network(IpNumberHelper.ToIpNumber(ip), mask);
// Act
var result = IpNumberHelper.Broadcast(ipnum, mask);
// Assert
Assert.Equal(expected, IpNumberHelper.ToIpString(result));
}
private static void OnEnter(object sender, EventArgs e)
{
var context = ((HttpApplication)sender).Context;
if ((g_allowedNetworks == null && g_deniedNetworks == null) ||
context.Error != null ||
context.CurrentHandler == null ||
context.CurrentHandler is DefaultHttpHandler)
{
return;
}
var request = context.Request;
if (SecureOnly && request.Scheme() != Uri.UriSchemeHttps)
{
return;
}
foreach (var ip in request.UserHosts())
{
var ipnum = IpNumberHelper.ToIpNumber(ip);
if (g_deniedNetworks != null)
{
var deniedNetwork = FindMatch(ipnum, g_deniedNetworks);
if (deniedNetwork != null &&
(NoExceptionPathRegex == null ||
!NoExceptionPathRegex.IsMatch(request.RawUrl)))
{
throw new IpPolicyException(string.Format(CultureInfo.InvariantCulture,
"Matched '{0}' in denied network {1}/{2}.", ip,
IpNumberHelper.ToIpString(deniedNetwork.Network),
IpNumberHelper.ToIpString(deniedNetwork.Mask)));
}
}
if (g_allowedNetworks != null)
{
var allowedNetwork = FindMatch(ipnum, g_allowedNetworks);
if (allowedNetwork == null &&
(NoExceptionPathRegex == null ||
!NoExceptionPathRegex.IsMatch(request.RawUrl)))
{
throw new IpPolicyException(string.Format(CultureInfo.InvariantCulture,
"Missmatch '{0}' in allowed networks.", ip));
}
}
}
}
public string Host()
{
return(IpNumberHelper.ToIpString(Hosts[0]));
}
