106 lines
3.8 KiB
C#
106 lines
3.8 KiB
C#
using Microsoft.AspNetCore.Http;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Runtime.CompilerServices;
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using System.Text;
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namespace Nirvana.Common
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{
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/// <summary>
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/// 网络操作
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/// </summary>
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public class Net
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{
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public static string Ip
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{
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get
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{
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try
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{
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var result = string.Empty;
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if (MyHttpContext.current != null)
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result = GetWebClientIp();
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if (string.IsNullOrWhiteSpace(result))
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result = GetLanIp();
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return result;
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}
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catch (System.Exception)
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{
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return string.Empty;
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}
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}
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}
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/// <summary>
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/// 获取Web客户端的Ip
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/// </summary>
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private static string GetWebClientIp()
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{
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var ip = GetWebRemoteIp();
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foreach (var hostAddress in Dns.GetHostAddresses(ip))
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{
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if (hostAddress.AddressFamily == AddressFamily.InterNetwork)
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return hostAddress.ToString();
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}
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return string.Empty;
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}
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/// <summary>
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/// 获取远程IP
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/// </summary>
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/// <returns></returns>
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private static string GetWebRemoteIp()
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{
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var ip = MyHttpContext.current.Request.Headers["X-Forwarded-For"].FirstOrDefault();
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if (string.IsNullOrEmpty(ip))
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{
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ip = MyHttpContext.current.Connection.RemoteIpAddress.ToString();
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}
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return ip;
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}
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/// <summary>
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/// 获取局域网IP
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/// </summary>
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private static string GetLanIp()
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{
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string userIP = "";
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System.Net.NetworkInformation.NetworkInterface[] fNetworkInterfaces = System.Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces();
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foreach (System.Net.NetworkInformation.NetworkInterface adapter in fNetworkInterfaces)
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{
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string fRegistryKey = "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\" + adapter.Id + "\\Connection";
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Microsoft.Win32.RegistryKey rk = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(fRegistryKey, false);
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if (rk != null)
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{
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// 区分 PnpInstanceID
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// 如果前面有 PCI 就是本机的真实网卡
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string fPnpInstanceID = rk.GetValue("PnpInstanceID", "").ToString();
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int fMediaSubType = Convert.ToInt32(rk.GetValue("MediaSubType", 0));
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if (fPnpInstanceID.Length > 3 &&
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fPnpInstanceID.Substring(0, 3) == "PCI")
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{
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//string fCardType = "物理网卡";
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System.Net.NetworkInformation.IPInterfaceProperties fIPInterfaceProperties = adapter.GetIPProperties();
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System.Net.NetworkInformation.UnicastIPAddressInformationCollection UnicastIPAddressInformationCollection = fIPInterfaceProperties.UnicastAddresses;
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foreach (System.Net.NetworkInformation.UnicastIPAddressInformation UnicastIPAddressInformation in UnicastIPAddressInformationCollection)
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{
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if (UnicastIPAddressInformation.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
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userIP = UnicastIPAddressInformation.Address.ToString(); // Ip 地址
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}
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break;
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}
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}
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}
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return userIP;
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}
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}
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}
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