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@ -4,7 +4,6 @@ import java.net.InetAddress; |
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import java.net.UnknownHostException; |
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import java.net.UnknownHostException; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletRequest; |
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import com.ruoyi.common.utils.StringUtils; |
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import com.ruoyi.common.utils.StringUtils; |
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import com.ruoyi.common.utils.html.EscapeUtil; |
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/** |
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/** |
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* 获取IP方法 |
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* 获取IP方法 |
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@ -13,6 +12,12 @@ import com.ruoyi.common.utils.html.EscapeUtil; |
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*/ |
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*/ |
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public class IpUtils |
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public class IpUtils |
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{ |
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{ |
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/** |
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* 获取客户端IP |
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* |
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* @param request 请求对象 |
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* @return IP地址 |
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*/ |
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public static String getIpAddr(HttpServletRequest request) |
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public static String getIpAddr(HttpServletRequest request) |
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{ |
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{ |
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if (request == null) |
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if (request == null) |
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@ -41,15 +46,28 @@ public class IpUtils |
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{ |
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{ |
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ip = request.getRemoteAddr(); |
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ip = request.getRemoteAddr(); |
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} |
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} |
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return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : EscapeUtil.clean(ip); |
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return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : getMultistageReverseProxyIp(ip); |
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} |
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} |
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/** |
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* 检查是否为内部IP地址 |
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* |
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* @param ip IP地址 |
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* @return 结果 |
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*/ |
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public static boolean internalIp(String ip) |
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public static boolean internalIp(String ip) |
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{ |
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{ |
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byte[] addr = textToNumericFormatV4(ip); |
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byte[] addr = textToNumericFormatV4(ip); |
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return internalIp(addr) || "127.0.0.1".equals(ip); |
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return internalIp(addr) || "127.0.0.1".equals(ip); |
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} |
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} |
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/** |
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* 检查是否为内部IP地址 |
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* |
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* @param addr byte地址 |
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* @return 结果 |
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*/ |
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private static boolean internalIp(byte[] addr) |
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private static boolean internalIp(byte[] addr) |
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{ |
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{ |
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if (StringUtils.isNull(addr) || addr.length < 2) |
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if (StringUtils.isNull(addr) || addr.length < 2) |
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@ -110,7 +128,8 @@ public class IpUtils |
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{ |
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{ |
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case 1: |
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case 1: |
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l = Long.parseLong(elements[0]); |
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l = Long.parseLong(elements[0]); |
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if ((l < 0L) || (l > 4294967295L)) { |
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if ((l < 0L) || (l > 4294967295L)) |
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{ |
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return null; |
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return null; |
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} |
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} |
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bytes[0] = (byte) (int) (l >> 24 & 0xFF); |
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bytes[0] = (byte) (int) (l >> 24 & 0xFF); |
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@ -120,12 +139,14 @@ public class IpUtils |
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break; |
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break; |
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case 2: |
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case 2: |
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l = Integer.parseInt(elements[0]); |
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l = Integer.parseInt(elements[0]); |
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if ((l < 0L) || (l > 255L)) { |
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if ((l < 0L) || (l > 255L)) |
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{ |
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return null; |
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return null; |
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} |
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} |
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bytes[0] = (byte) (int) (l & 0xFF); |
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bytes[0] = (byte) (int) (l & 0xFF); |
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l = Integer.parseInt(elements[1]); |
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l = Integer.parseInt(elements[1]); |
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if ((l < 0L) || (l > 16777215L)) { |
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if ((l < 0L) || (l > 16777215L)) |
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{ |
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return null; |
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return null; |
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} |
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} |
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bytes[1] = (byte) (int) (l >> 16 & 0xFF); |
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bytes[1] = (byte) (int) (l >> 16 & 0xFF); |
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@ -136,13 +157,15 @@ public class IpUtils |
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for (i = 0; i < 2; ++i) |
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for (i = 0; i < 2; ++i) |
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{ |
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{ |
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l = Integer.parseInt(elements[i]); |
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l = Integer.parseInt(elements[i]); |
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if ((l < 0L) || (l > 255L)) { |
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if ((l < 0L) || (l > 255L)) |
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{ |
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return null; |
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return null; |
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} |
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} |
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bytes[i] = (byte) (int) (l & 0xFF); |
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bytes[i] = (byte) (int) (l & 0xFF); |
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} |
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} |
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l = Integer.parseInt(elements[2]); |
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l = Integer.parseInt(elements[2]); |
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if ((l < 0L) || (l > 65535L)) { |
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if ((l < 0L) || (l > 65535L)) |
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{ |
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return null; |
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return null; |
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} |
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} |
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bytes[2] = (byte) (int) (l >> 8 & 0xFF); |
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bytes[2] = (byte) (int) (l >> 8 & 0xFF); |
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@ -152,7 +175,8 @@ public class IpUtils |
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for (i = 0; i < 4; ++i) |
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for (i = 0; i < 4; ++i) |
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{ |
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{ |
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l = Integer.parseInt(elements[i]); |
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l = Integer.parseInt(elements[i]); |
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if ((l < 0L) || (l > 255L)) { |
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if ((l < 0L) || (l > 255L)) |
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{ |
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return null; |
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return null; |
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} |
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} |
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bytes[i] = (byte) (int) (l & 0xFF); |
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bytes[i] = (byte) (int) (l & 0xFF); |
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@ -169,6 +193,11 @@ public class IpUtils |
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return bytes; |
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return bytes; |
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} |
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} |
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/** |
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* 获取IP地址 |
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* |
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* @return 本地IP地址 |
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*/ |
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public static String getHostIp() |
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public static String getHostIp() |
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{ |
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{ |
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try |
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try |
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@ -181,6 +210,11 @@ public class IpUtils |
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return "127.0.0.1"; |
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return "127.0.0.1"; |
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} |
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} |
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/** |
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* 获取主机名 |
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* |
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* @return 本地主机名 |
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*/ |
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public static String getHostName() |
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public static String getHostName() |
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{ |
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{ |
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try |
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try |
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@ -192,4 +226,39 @@ public class IpUtils |
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} |
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} |
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return "未知"; |
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return "未知"; |
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} |
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} |
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/** |
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* 从多级反向代理中获得第一个非unknown IP地址 |
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* |
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* @param ip 获得的IP地址 |
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* @return 第一个非unknown IP地址 |
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*/ |
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public static String getMultistageReverseProxyIp(String ip) |
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{ |
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// 多级反向代理检测
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if (ip != null && ip.indexOf(",") > 0) |
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{ |
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final String[] ips = ip.trim().split(","); |
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for (String subIp : ips) |
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{ |
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if (false == isUnknown(subIp)) |
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{ |
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ip = subIp; |
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break; |
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} |
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} |
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} |
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return ip; |
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} |
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/** |
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* 检测给定字符串是否为未知,多用于检测HTTP请求相关 |
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* |
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* @param checkString 被检测的字符串 |
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* @return 是否未知 |
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*/ |
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public static boolean isUnknown(String checkString) |
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{ |
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return StringUtils.isBlank(checkString) || "unknown".equalsIgnoreCase(checkString); |
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} |
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} |
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} |