private static string GetClientIPAddress(out ClientIPVariable ipVar)
{
string str = null;
ipVar = ClientIPVariable.None;
if (string.Compare(HttpContext.Current.Request.Url.Scheme, "https", true) != 0)
{
if (!string.IsNullOrEmpty(HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"]))
{
ipVar = ClientIPVariable.Http_X_Forwarded_For;
str = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].Split(",;".ToCharArray())[0];
}
else if (!string.IsNullOrEmpty(HttpContext.Current.Request.ServerVariables["HTTP_CLIENT_IP"]))
{
ipVar = ClientIPVariable.Http_Client_IP;
str = HttpContext.Current.Request.ServerVariables["HTTP_CLIENT_IP"];
}
else if (!string.IsNullOrEmpty(HttpContext.Current.Request.ServerVariables["X_CLIENT_IP"]))
{
ipVar = ClientIPVariable.X_Client_IP;
str = HttpContext.Current.Request.ServerVariables["X_CLIENT_IP"];
}
}
if ((str == null) && !string.IsNullOrEmpty(HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]))
{
ipVar = ClientIPVariable.Remote_Addr;
str = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
return(str);
}
/// <summary>
/// 获取客户端IP真实地址
/// </summary>
/// <param name="ipVar">IP变量的来源 (out 接收)</param>
/// <returns>客户端IP真实地址</returns>
private static string GetClientIPAddress(out ClientIPVariable ipVar)
{
string retValue = null;
ipVar = ClientIPVariable.None;
// 非加密页就检查 Proxy IP 变数
if (String.Compare(HttpContext.Current.Request.Url.Scheme, "https", true) != 0)
{
if (!string.IsNullOrEmpty(HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"]))
{
ipVar = ClientIPVariable.Http_X_Forwarded_For;
retValue = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].Split(",;".ToCharArray())[0];
}
else if (!string.IsNullOrEmpty(HttpContext.Current.Request.ServerVariables["HTTP_CLIENT_IP"]))
{
ipVar = ClientIPVariable.Http_Client_IP;
retValue = HttpContext.Current.Request.ServerVariables["HTTP_CLIENT_IP"];
}
else if (!string.IsNullOrEmpty(HttpContext.Current.Request.ServerVariables["X_CLIENT_IP"]))
{
ipVar = ClientIPVariable.X_Client_IP;
retValue = HttpContext.Current.Request.ServerVariables["X_CLIENT_IP"];
}
}
// 若还没取到 IP
if (retValue == null)
{
if (!string.IsNullOrEmpty(HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]))
{
ipVar = ClientIPVariable.Remote_Addr;
retValue = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
}
return(retValue);
}
