public void ContextWithInvalidIPAddress()
{
var serverVariables = new NameValueCollection();
this.request.Setup(x => x.ServerVariables).Returns(serverVariables);
this.SetupHeader("notanipaddress");
var module = new OriginalIP();
module.OnBeginRequest(context.Object);
request.Verify();
Assert.AreEqual(0, serverVariables.Count);
}
public void ContextWithMultipleIPAddresses()
{
var serverVariables = new NameValueCollection();
var ip = "10.5.1.1, 10.5.1.2, 10.5.1.3";
this.SetupHeader(ip);
this.request.Setup(x => x.ServerVariables).Returns(serverVariables).Verifiable();
var module = new OriginalIP();
module.OnBeginRequest(context.Object);
request.VerifyAll();
Assert.AreEqual(2, serverVariables.Count);
Assert.AreEqual("10.5.1.1", serverVariables["REMOTE_ADDR"]);
Assert.AreEqual("10.5.1.1", serverVariables["REMOTE_HOST"]);
}
public uint GetASN()
{
if (asn != 0)
{
return(asn);
}
try
{
string reverseIp = new IPAddress(OriginalIP.GetAddressBytes().Reverse().ToArray()).ToString();
Response response = dnsResolver.Query($"{reverseIp}.origin.asn.cymru.com", QType.TXT);
asn = uint.Parse(response.RecordsTXT.FirstOrDefault()?.TXT.FirstOrDefault().Split('|').FirstOrDefault());
}
catch
{
return(0);
}
return(asn);
}
public void ContextNull()
{
var module = new OriginalIP();
module.OnBeginRequest(null);
}
