获取连接到C＃.NET WebAPI应用程序的客户端的IP地址

我试过了：

private const string HttpContext = "MS_HttpContext"; private const string RemoteEndpointMessage = "System.ServiceModel.Channels.RemoteEndpointMessageProperty"; public static string GetClientIpAddress(HttpRequestMessage request) { if (request.Properties.ContainsKey(HttpContext)) { dynamic ctx = request.Properties[HttpContext]; if (ctx != null) { return ctx.Request.UserHostAddress; } } if (request.Properties.ContainsKey(RemoteEndpointMessage)) { dynamic remoteEndpoint = request.Properties[RemoteEndpointMessage]; if (remoteEndpoint != null) { return remoteEndpoint.Address; } } return null; } 

根据：

在ASP.Net Web API中检索客户端的IP地址

这是应该对自托管主机和webapi主机有效的组合方法。 不幸的是我得到null而不是IP地址。

我在本地尝试，所以我希望127.0.0.1或localhost作为IP地址

Answer 1

以下是您所拥有的扩展版本。

 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 GetClientIpString(this HttpRequestMessage request) { //Web-hosting if (request.Properties.ContainsKey(HttpContext)) { dynamic ctx = request.Properties[HttpContext]; if (ctx != null) { return ctx.Request.UserHostAddress; } } //Self-hosting if (request.Properties.ContainsKey(RemoteEndpointMessage)) { dynamic remoteEndpoint = request.Properties[RemoteEndpointMessage]; if (remoteEndpoint != null) { return remoteEndpoint.Address; } } //Owin-hosting if (request.Properties.ContainsKey(OwinContext)) { dynamic ctx = request.Properties[OwinContext]; if (ctx != null) { return ctx.Request.RemoteIpAddress; } } if (System.Web.HttpContext.Current != null) { return System.Web.HttpContext.Current.Request.UserHostAddress; } // Always return all zeroes for any failure return "0.0.0.0"; } public static IPAddress GetClientIpAddress(this HttpRequestMessage request) { var ipString = request.GetClientIpString(); IPAddress ipAddress = new IPAddress(0); if (IPAddress.TryParse(ipString, out ipAddress)) { return ipAddress; } return ipAddress; } } 

假设您在控制器中，上述扩展方法允许调用如下：

 HttpRequestMessage request = this.Request; var ip = request.GetClientIpString();