cn.bestwu.lang.util.IPAddressUtil Maven / Gradle / Ivy

Go to download
package cn.bestwu.lang.util;

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import javax.servlet.http.HttpServletRequest;
import org.springframework.util.Assert;

/**
 * IP工具
 *
 * @author Peter Wu
 */
public class IPAddressUtil {

  /**
   * 获取客户端IP
   *
   * @param request http请求
   * @return ip
   */
  public static String getClientIp(HttpServletRequest request) {

    String ip = request.getHeader("X-Forwarded-For");
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
      ip = request.getHeader("Proxy-Client-IP");
    }
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
      ip = request.getHeader("WL-Proxy-Client-IP");
    }
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
      ip = request.getHeader("HTTP_CLIENT_IP");
    }
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
      ip = request.getHeader("HTTP_X_FORWARDED_FOR");
    }
    if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
      ip = request.getRemoteAddr();
    }
    if (ip == null) {
      ip = "192.168.123.321";
    }
    return ip;
  }

  /**
   * 是否为外网
   *
   * @param ipAddress ip
   * @return 是否为外网
   */
  public static boolean isExtranet(String ipAddress) {
    Assert.hasText(ipAddress);
    return !ipAddress.matches("(127\\.0\\.0\\.1)|" + "(localhost)|" +
        "(10\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3})|" +
        "(172\\.((1[6-9])|(2\\d)|(3[01]))\\.\\d{1,3}\\.\\d{1,3})|" +
        "(192\\.168\\.\\d{1,3}\\.\\d{1,3})");
  }

  /**
   * 获取客户端IP对应网卡的MAC地址
   *
   * @param ipAddress ip
   * @return MAC地址
   */
  public static String getMACAddress(String ipAddress) {
    String str, strMAC = "", macAddress;
    try {
      Process pp = Runtime.getRuntime().exec("nbtstat -a " + ipAddress);
      InputStreamReader ir = new InputStreamReader(pp.getInputStream());
      LineNumberReader input = new LineNumberReader(ir);
      for (int i = 1; i < 100; i++) {
        str = input.readLine();
        if (str != null) {
          if (str.indexOf("MAC Address") > 1) {
            strMAC = str.substring(str.indexOf("MAC Address") + 14,
                str.length());
            break;
          }
        }
      }
    } catch (IOException ex) {
      return "Can't Get MAC Address!";
    }
    if (strMAC.length() < 17) {
      return "Error!";
    }

    macAddress = strMAC.substring(0, 2) + ":" + strMAC.substring(3, 5)
        + ":" + strMAC.substring(6, 8) + ":" + strMAC.substring(9, 11)
        + ":" + strMAC.substring(12, 14) + ":"
        + strMAC.substring(15, 17);
    return macAddress;
  }

}