| public static IsPrivateIpAddress ( string ipAddress ) : bool | ||
| ipAddress | string | |
| return | bool | |
public static string GetClientIpAddress(this HttpRequestBase request)
{
string remoteAddress = request.UserHostAddress;
string forwardedFor = request.ServerVariables["X_FORWARDED_FOR"];
string ipAddress = "";
if (forwardedFor == null)
{
ipAddress = remoteAddress;
}
else
{
ipAddress = forwardedFor;
if (ipAddress.IndexOf(",") > 0)
{
string[] ips = ipAddress.Split(',');
foreach (string ip in ips)
{
if (!IpAddressUtil.IsPrivateIpAddress(ip))
{
return(ip);
}
}
}
}
return(ipAddress);
}
/// <summary>
///
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public static string GetClientIpAddress(this HttpRequestMessage request)
{
// Always return all zeroes for any failure (my calling code expects it)
string ipAddress = "0.0.0.0";
IEnumerable <string> ips;
if (request.Headers.TryGetValues("True-Client-Ip", out ips))
{
return(ips.FirstOrDefault());
}
if (request.Properties.ContainsKey("MS_HttpContext"))
{
ipAddress = ((HttpContextBase)request.Properties["MS_HttpContext"]).Request.UserHostAddress;
}
else if (request.Properties.ContainsKey(RemoteEndpointMessageProperty.Name))
{
ipAddress = ((RemoteEndpointMessageProperty)request.Properties[RemoteEndpointMessageProperty.Name]).Address;
}
if (request.Properties.ContainsKey("MS_OwinContext"))
{
ipAddress = ((Microsoft.Owin.OwinContext)request.Properties["MS_OwinContext"]).Request.RemoteIpAddress;
}
// get the X-Forward-For headers (should only really be one)
IEnumerable <string> xForwardForList;
if (!request.Headers.TryGetValues("X-Forwarded-For", out xForwardForList))
{
return(ipAddress);
}
var xForwardedFor = xForwardForList.FirstOrDefault();
// check that we have a value
if (string.IsNullOrEmpty(xForwardedFor))
{
return(ipAddress);
}
// Get a list of public ip addresses in the X_FORWARDED_FOR variable
var publicForwardingIps = xForwardedFor.Split(',').Where(ip => !IpAddressUtil.IsPrivateIpAddress(ip)).ToList();
// If we found any, return the last one, otherwise return the user host address
return(publicForwardingIps.Any() ? publicForwardingIps.Last() : ipAddress);
}