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  • C# WebApi 获取客户端ip地址

    转自：http://www.cnblogs.com/weixing/p/5674078.html

    References required:

    • HttpContextWrapper - System.Web.dll
    • RemoteEndpointMessageProperty - System.ServiceModel.dll
    • OwinContext - Microsoft.Owin.dll (you will have it already if you use Owin package)
    using System.Net.Http;

public static class HttpRequestMessageExtensions
{
    private const string HttpContext = "MS_HttpContext";
    private const string RemoteEndpointMessage =
        "System.ServiceModel.Channels.RemoteEndpointMessageProperty";
    private const string OwinContext = "MS_OwinContext";

    public static string GetClientIpAddress(this HttpRequestMessage request)
    {
       // Web-hosting. Needs reference to System.Web.dll
       if (request.Properties.ContainsKey(HttpContext))
       {
           dynamic ctx = request.Properties[HttpContext];
           if (ctx != null)
           {
               return ctx.Request.UserHostAddress;
           }
       }

       // Self-hosting. Needs reference to System.ServiceModel.dll. 
       if (request.Properties.ContainsKey(RemoteEndpointMessage))
       {
            dynamic remoteEndpoint = request.Properties[RemoteEndpointMessage];
            if (remoteEndpoint != null)
            {
                return remoteEndpoint.Address;
            }
        }

       // Self-hosting using Owin. Needs reference to Microsoft.Owin.dll. 
       if (request.Properties.ContainsKey(OwinContext))
       {
           dynamic owinContext = request.Properties[OwinContext];
           if (owinContext != null)
           {
               return owinContext.Request.RemoteIpAddress;
           }
       }

        return null;
    }
}

    　　

    复制代码
    using System.Net.Http;

public static class HttpRequestMessageExtensions
{
    private const string HttpContext = "MS_HttpContext";
    private const string RemoteEndpointMessage =
        "System.ServiceModel.Channels.RemoteEndpointMessageProperty";
    private const string OwinContext = "MS_OwinContext";

    public static string GetClientIpAddress(this HttpRequestMessage request)
    {
       // Web-hosting. Needs reference to System.Web.dll
       if (request.Properties.ContainsKey(HttpContext))
       {
           dynamic ctx = request.Properties[HttpContext];
           if (ctx != null)
           {
               return ctx.Request.UserHostAddress;
           }
       }

       // Self-hosting. Needs reference to System.ServiceModel.dll. 
       if (request.Properties.ContainsKey(RemoteEndpointMessage))
       {
            dynamic remoteEndpoint = request.Properties[RemoteEndpointMessage];
            if (remoteEndpoint != null)
            {
                return remoteEndpoint.Address;
            }
        }

       // Self-hosting using Owin. Needs reference to Microsoft.Owin.dll. 
       if (request.Properties.ContainsKey(OwinContext))
       {
           dynamic owinContext = request.Properties[OwinContext];
           if (owinContext != null)
           {
               return owinContext.Request.RemoteIpAddress;
           }
       }

        return null;
    }
}
    复制代码

     第二种：

    ((System.Web.HttpContextWrapper)Request.Properties["MS_HttpContext"]).Request.UserHostAddress;


    public class CheckIP
    {
        #region 获取浏览器版本号

        /// <summary>
        /// 获取浏览器版本号
        /// </summary>
        /// <returns></returns>
        public static string GetBrowser()
        {
            HttpBrowserCapabilities bc = HttpContext.Current.Request.Browser;
            return bc.Browser + bc.Version;
        }

        #endregion

        #region 获取操作系统版本号

        /// <summary>
        /// 获取操作系统版本号
        /// </summary>
        /// <returns></returns>
        public static string GetOSVersion()
        {
            //UserAgent 
            var userAgent = HttpContext.Current.Request.ServerVariables["HTTP_USER_AGENT"];

            var osVersion = "未知";

            if (userAgent.Contains("NT 6.1"))
            {
                osVersion = "Windows 7";
            }
            else if (userAgent.Contains("NT 6.0"))
            {
                osVersion = "Windows Vista/Server 2008";
            }
            else if (userAgent.Contains("NT 5.2"))
            {
                osVersion = "Windows Server 2003";
            }
            else if (userAgent.Contains("NT 5.1"))
            {
                osVersion = "Windows XP";
            }
            else if (userAgent.Contains("NT 5"))
            {
                osVersion = "Windows 2000";
            }
            else if (userAgent.Contains("NT 4"))
            {
                osVersion = "Windows NT4";
            }
            else if (userAgent.Contains("Me"))
            {
                osVersion = "Windows Me";
            }
            else if (userAgent.Contains("98"))
            {
                osVersion = "Windows 98";
            }
            else if (userAgent.Contains("95"))
            {
                osVersion = "Windows 95";
            }
            else if (userAgent.Contains("Mac"))
            {
                osVersion = "Mac";
            }
            else if (userAgent.Contains("Unix"))
            {
                osVersion = "UNIX";
            }
            else if (userAgent.Contains("Linux"))
            {
                osVersion = "Linux";
            }
            else if (userAgent.Contains("SunOS"))
            {
                osVersion = "SunOS";
            }
            return osVersion;
        }
        #endregion

        #region 获取客户端IP地址

        /// <summary>
        /// 获取客户端IP地址
        /// </summary>
        /// <returns></returns>
        public static string GetIP()
        {
            string result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
            if (string.IsNullOrEmpty(result))
            {
                result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
            }
            if (string.IsNullOrEmpty(result))
            {
                result = HttpContext.Current.Request.UserHostAddress;
            }
            if (string.IsNullOrEmpty(result))
            {
                return "0.0.0.0";
            }
            return result;
        }

        #endregion

        #region 取客户端真实IP

        ///  <summary>  
        ///  取得客户端真实IP。如果有代理则取第一个非内网地址  
        ///  </summary>  
        public static string GetIPAddress
        {
            get
            {
                var result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
                if (!string.IsNullOrEmpty(result))
                {
                    //可能有代理  
                    if (result.IndexOf(".") == -1)        //没有“.”肯定是非IPv4格式  
                        result = null;
                    else
                    {
                        if (result.IndexOf(",") != -1)
                        {
                            //有“,”，估计多个代理。取第一个不是内网的IP。  
                            result = result.Replace("  ", "").Replace("'", "");
                            string[] temparyip = result.Split(",;".ToCharArray());
                            for (int i = 0; i < temparyip.Length; i++)
                            {
                                if (IsIPAddress(temparyip[i])
                                        && temparyip[i].Substring(0, 3) != "10."
                                        && temparyip[i].Substring(0, 7) != "192.168"
                                        && temparyip[i].Substring(0, 7) != "172.16.")
                                {
                                    return temparyip[i];        //找到不是内网的地址  
                                }
                            }
                        }
                        else if (IsIPAddress(result))  //代理即是IP格式  
                            return result;
                        else
                            result = null;        //代理中的内容  非IP，取IP  
                    }

                }

                string IpAddress = (HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != null && HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != String.Empty) ? HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] : HttpContext.Current.Request.ServerVariables["HTTP_X_REAL_IP"];

                if (string.IsNullOrEmpty(result))
                    result = HttpContext.Current.Request.ServerVariables["HTTP_X_REAL_IP"];

                if (string.IsNullOrEmpty(result))
                    result = HttpContext.Current.Request.UserHostAddress;

                return result;
            }
        }

        #endregion

        #region  判断是否是IP格式

        ///  <summary>
        ///  判断是否是IP地址格式  0.0.0.0
        ///  </summary>
        ///  <param  name="str1">待判断的IP地址</param>
        ///  <returns>true  or  false</returns>
        public static bool IsIPAddress(string str1)
        {
            if (string.IsNullOrEmpty(str1) || str1.Length < 7 || str1.Length > 15) return false;

            const string regFormat = @"^d{1,3}[.]d{1,3}[.]d{1,3}[.]d{1,3}$";

            var regex = new Regex(regFormat, RegexOptions.IgnoreCase);
            return regex.IsMatch(str1);
        }

        #endregion

        #region 获取公网IP
        /// <summary>
        /// 获取公网IP
        /// </summary>
        /// <returns></returns>
        public static string GetNetIP()
        {
            string tempIP = "";
            try
            {
                System.Net.WebRequest wr = System.Net.WebRequest.Create("http://city.ip138.com/ip2city.asp");
                System.IO.Stream s = wr.GetResponse().GetResponseStream();
                System.IO.StreamReader sr = new System.IO.StreamReader(s, System.Text.Encoding.GetEncoding("gb2312"));
                string all = sr.ReadToEnd(); //读取网站的数据

                int start = all.IndexOf("[") + 1;
                int end = all.IndexOf("]", start);
                tempIP = all.Substring(start, end - start);
                sr.Close();
                s.Close();
            }
            catch
            {
                if (System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList.Length > 1)
                    tempIP = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList[1].ToString();
                if (string.IsNullOrEmpty(tempIP))
                    return GetIP();
            }
            return tempIP;
        }
        #endregion

 asp.net 获取客户端浏览器，ip地址，操作系统信息
    复制代码
    public class CheckIP
    {
        #region 获取浏览器版本号

        /// <summary>
        /// 获取浏览器版本号
        /// </summary>
        /// <returns></returns>
        public static string GetBrowser()
        {
            HttpBrowserCapabilities bc = HttpContext.Current.Request.Browser;
            return bc.Browser + bc.Version;
        }

        #endregion

        #region 获取操作系统版本号

        /// <summary>
        /// 获取操作系统版本号
        /// </summary>
        /// <returns></returns>
        public static string GetOSVersion()
        {
            //UserAgent 
            var userAgent = HttpContext.Current.Request.ServerVariables["HTTP_USER_AGENT"];

            var osVersion = "未知";

            if (userAgent.Contains("NT 6.1"))
            {
                osVersion = "Windows 7";
            }
            else if (userAgent.Contains("NT 6.0"))
            {
                osVersion = "Windows Vista/Server 2008";
            }
            else if (userAgent.Contains("NT 5.2"))
            {
                osVersion = "Windows Server 2003";
            }
            else if (userAgent.Contains("NT 5.1"))
            {
                osVersion = "Windows XP";
            }
            else if (userAgent.Contains("NT 5"))
            {
                osVersion = "Windows 2000";
            }
            else if (userAgent.Contains("NT 4"))
            {
                osVersion = "Windows NT4";
            }
            else if (userAgent.Contains("Me"))
            {
                osVersion = "Windows Me";
            }
            else if (userAgent.Contains("98"))
            {
                osVersion = "Windows 98";
            }
            else if (userAgent.Contains("95"))
            {
                osVersion = "Windows 95";
            }
            else if (userAgent.Contains("Mac"))
            {
                osVersion = "Mac";
            }
            else if (userAgent.Contains("Unix"))
            {
                osVersion = "UNIX";
            }
            else if (userAgent.Contains("Linux"))
            {
                osVersion = "Linux";
            }
            else if (userAgent.Contains("SunOS"))
            {
                osVersion = "SunOS";
            }
            return osVersion;
        }
        #endregion

        #region 获取客户端IP地址

        /// <summary>
        /// 获取客户端IP地址
        /// </summary>
        /// <returns></returns>
        public static string GetIP()
        {
            string result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
            if (string.IsNullOrEmpty(result))
            {
                result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
            }
            if (string.IsNullOrEmpty(result))
            {
                result = HttpContext.Current.Request.UserHostAddress;
            }
            if (string.IsNullOrEmpty(result))
            {
                return "0.0.0.0";
            }
            return result;
        }

        #endregion

        #region 取客户端真实IP

        ///  <summary>  
        ///  取得客户端真实IP。如果有代理则取第一个非内网地址  
        ///  </summary>  
        public static string GetIPAddress
        {
            get
            {
                var result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
                if (!string.IsNullOrEmpty(result))
                {
                    //可能有代理  
                    if (result.IndexOf(".") == -1)        //没有“.”肯定是非IPv4格式  
                        result = null;
                    else
                    {
                        if (result.IndexOf(",") != -1)
                        {
                            //有“,”，估计多个代理。取第一个不是内网的IP。  
                            result = result.Replace("  ", "").Replace("'", "");
                            string[] temparyip = result.Split(",;".ToCharArray());
                            for (int i = 0; i < temparyip.Length; i++)
                            {
                                if (IsIPAddress(temparyip[i])
                                        && temparyip[i].Substring(0, 3) != "10."
                                        && temparyip[i].Substring(0, 7) != "192.168"
                                        && temparyip[i].Substring(0, 7) != "172.16.")
                                {
                                    return temparyip[i];        //找到不是内网的地址  
                                }
                            }
                        }
                        else if (IsIPAddress(result))  //代理即是IP格式  
                            return result;
                        else
                            result = null;        //代理中的内容  非IP，取IP  
                    }

                }

                string IpAddress = (HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != null && HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != String.Empty) ? HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] : HttpContext.Current.Request.ServerVariables["HTTP_X_REAL_IP"];

                if (string.IsNullOrEmpty(result))
                    result = HttpContext.Current.Request.ServerVariables["HTTP_X_REAL_IP"];

                if (string.IsNullOrEmpty(result))
                    result = HttpContext.Current.Request.UserHostAddress;

                return result;
            }
        }

        #endregion

        #region  判断是否是IP格式

        ///  <summary>
        ///  判断是否是IP地址格式  0.0.0.0
        ///  </summary>
        ///  <param  name="str1">待判断的IP地址</param>
        ///  <returns>true  or  false</returns>
        public static bool IsIPAddress(string str1)
        {
            if (string.IsNullOrEmpty(str1) || str1.Length < 7 || str1.Length > 15) return false;

            const string regFormat = @"^d{1,3}[.]d{1,3}[.]d{1,3}[.]d{1,3}$";

            var regex = new Regex(regFormat, RegexOptions.IgnoreCase);
            return regex.IsMatch(str1);
        }

        #endregion

        #region 获取公网IP
        /// <summary>
        /// 获取公网IP
        /// </summary>
        /// <returns></returns>
        public static string GetNetIP()
        {
            string tempIP = "";
            try
            {
                System.Net.WebRequest wr = System.Net.WebRequest.Create("http://city.ip138.com/ip2city.asp");
                System.IO.Stream s = wr.GetResponse().GetResponseStream();
                System.IO.StreamReader sr = new System.IO.StreamReader(s, System.Text.Encoding.GetEncoding("gb2312"));
                string all = sr.ReadToEnd(); //读取网站的数据

                int start = all.IndexOf("[") + 1;
                int end = all.IndexOf("]", start);
                tempIP = all.Substring(start, end - start);
                sr.Close();
                s.Close();
            }
            catch
            {
                if (System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList.Length > 1)
                    tempIP = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList[1].ToString();
                if (string.IsNullOrEmpty(tempIP))
                    return GetIP();
            }
            return tempIP;
        }
        #endregion
    复制代码

    /// <summary>
    /// 获取客户端IP地址（无视代理）
    /// </summary>
    /// <returns>若失败则返回回送地址</returns>
    public static string GetHostAddress()
    {
    string userHostAddress = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
    if (string.IsNullOrEmpty(userHostAddress))
    {
    if (System.Web.HttpContext.Current.Request.ServerVariables["HTTP_VIA"] != null)
    userHostAddress = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString().Split(',')[0].Trim();
    }
    if (string.IsNullOrEmpty(userHostAddress))
    {
    userHostAddress = HttpContext.Current.Request.UserHostAddress;
    }

    //最后判断获取是否成功，并检查IP地址的格式（检查其格式非常重要）
    if (!string.IsNullOrEmpty(userHostAddress) && IsIP(userHostAddress))
    {
    return userHostAddress;
    }
    return "127.0.0.1";
    }

    /// <summary>
    /// 检查IP地址格式
    /// </summary>
    /// <param name="ip"></param>
    /// <returns></returns>
    public static bool IsIP(string ip)
    {
    return System.Text.RegularExpressions.Regex.IsMatch(ip, @"^((2[0-4]d|25[0-5]|[01]?dd?).){3}(2[0-4]d|25[0-5]|[01]?dd?)$");
    }

    获取客户端IP地址（无视代理）

    复制代码
     /// <summary>
        /// 获取客户端IP地址（无视代理）
        /// </summary>
        /// <returns>若失败则返回回送地址</returns>
        public static string GetHostAddress()
        {
            string userHostAddress = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
            if (string.IsNullOrEmpty(userHostAddress))
            {
                if (System.Web.HttpContext.Current.Request.ServerVariables["HTTP_VIA"] != null)
                    userHostAddress = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString().Split(',')[0].Trim();
            }
            if (string.IsNullOrEmpty(userHostAddress))
            {
                userHostAddress = HttpContext.Current.Request.UserHostAddress;
            }

            //最后判断获取是否成功，并检查IP地址的格式（检查其格式非常重要）
            if (!string.IsNullOrEmpty(userHostAddress) && IsIP(userHostAddress))
            {
                return userHostAddress;
            }
            return "127.0.0.1";
        }

        /// <summary>
        /// 检查IP地址格式
        /// </summary>
        /// <param name="ip"></param>
        /// <returns></returns>
        public static bool IsIP(string ip)
        {
            return System.Text.RegularExpressions.Regex.IsMatch(ip, @"^((2[0-4]d|25[0-5]|[01]?dd?).){3}(2[0-4]d|25[0-5]|[01]?dd?)$");
        }
    复制代码
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  • 原文地址：https://www.cnblogs.com/wangyu19900123/p/7721904.html
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