From b3b17b231e2f2840332ce6eb96f791865fdec6d5 Mon Sep 17 00:00:00 2001
From: zhubaomin <zhubaomin>
Date: 星期一, 14 四月 2025 16:38:16 +0800
Subject: [PATCH] 代码优化
---
pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/IPUtils.java | 341 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 341 insertions(+), 0 deletions(-)
diff --git a/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/IPUtils.java b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/IPUtils.java
new file mode 100644
index 0000000..c9fdac3
--- /dev/null
+++ b/pipIrr-platform/pipIrr-common/src/main/java/com/dy/common/util/IPUtils.java
@@ -0,0 +1,341 @@
+package com.dy.common.util;
+
+import jakarta.servlet.http.HttpServletRequest;
+
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.UnknownHostException;
+import java.util.Enumeration;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * 鑾峰彇IP鏂规硶
+ *
+ * @author liurunyu
+ */
+public class IPUtils {
+
+ /**
+ * 妫�鏌P鏄惁鍚堟硶
+ *
+ * @param ip
+ * @return
+ */
+ public static boolean ipValid(String ip) {
+ String regex0 = "(2[0-4]\\d)" + "|(25[0-5])";
+ String regex1 = "1\\d{2}";
+ String regex2 = "[1-9]\\d";
+ String regex3 = "\\d";
+ String regex = "(" + regex0 + ")|(" + regex1 + ")|(" + regex2 + ")|(" + regex3 + ")";
+ regex = "(" + regex + ").(" + regex + ").(" + regex + ").(" + regex + ")";
+ Pattern p = Pattern.compile(regex);
+ Matcher m = p.matcher(ip);
+ return m.matches();
+ }
+
+ /**
+ * 鑾峰彇鏈湴ip 閫傚悎windows涓巐inux
+ *
+ * @return
+ */
+ public static String getLocalIP() {
+ String localIP = "127.0.0.1";
+ try {
+ Enumeration netInterfaces = NetworkInterface.getNetworkInterfaces();
+ while (netInterfaces.hasMoreElements()) {
+ NetworkInterface ni = (NetworkInterface) netInterfaces.nextElement();
+ InetAddress ip = ni.getInetAddresses().nextElement();
+ if (!ip.isLoopbackAddress() && ip.getHostAddress().indexOf(":") == -1) {
+ localIP = ip.getHostAddress();
+ break;
+ }
+ }
+ } catch (Exception e) {
+ try {
+ localIP = InetAddress.getLocalHost().getHostAddress();
+ } catch (UnknownHostException e1) {
+ e1.printStackTrace();
+ }
+ }
+ return localIP;
+ }
+ /**
+ * 鑾峰彇瀹㈡埛绔疘P
+ *
+ * @param request 璇锋眰瀵硅薄
+ * @return IP鍦板潃
+ */
+ public static String getClientIp(HttpServletRequest request)
+ {
+ if (request == null)
+ {
+ return "unknown";
+ }
+ 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("X-Forwarded-For");
+ }
+ 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("X-Real-IP");
+ }
+
+ if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+ {
+ ip = request.getRemoteAddr();
+ }
+
+ return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : getMultistageReverseProxyIp(ip);
+ }
+
+ /**
+ * 妫�鏌ユ槸鍚︿负鍐呴儴IP鍦板潃
+ *
+ * @param ip IP鍦板潃
+ * @return 缁撴灉
+ */
+ public static boolean internalIp(String ip)
+ {
+ byte[] addr = textToNumericFormatV4(ip);
+ return internalIp(addr) || "127.0.0.1".equals(ip);
+ }
+
+ /**
+ * 妫�鏌ユ槸鍚︿负鍐呴儴IP鍦板潃
+ *
+ * @param addr byte鍦板潃
+ * @return 缁撴灉
+ */
+ private static boolean internalIp(byte[] addr)
+ {
+ if (addr == null || addr.length < 2)
+ {
+ return true;
+ }
+ final byte b0 = addr[0];
+ final byte b1 = addr[1];
+ // 10.x.x.x/8
+ final byte SECTION_1 = 0x0A;
+ // 172.16.x.x/12
+ final byte SECTION_2 = (byte) 0xAC;
+ final byte SECTION_3 = (byte) 0x10;
+ final byte SECTION_4 = (byte) 0x1F;
+ // 192.168.x.x/16
+ final byte SECTION_5 = (byte) 0xC0;
+ final byte SECTION_6 = (byte) 0xA8;
+ switch (b0)
+ {
+ case SECTION_1:
+ return true;
+ case SECTION_2:
+ if (b1 >= SECTION_3 && b1 <= SECTION_4)
+ {
+ return true;
+ }
+ case SECTION_5:
+ switch (b1)
+ {
+ case SECTION_6:
+ return true;
+ }
+ default:
+ return false;
+ }
+ }
+ /**
+ * 鎶奿p杞寲涓烘暣鏁�
+ *
+ * @param ip
+ * @return
+ */
+ public static long translateIP2Int(String ip) {
+ String[] intArr = ip.split("\\.");
+ int[] ipInt = new int[intArr.length];
+ for (int i = 0; i < intArr.length; i++) {
+ ipInt[i] = Integer.parseInt(intArr[i]) ;
+ }
+ return ipInt[0] * 256 * 256 * 256 + +ipInt[1] * 256 * 256 + ipInt[2] * 256 + ipInt[3];
+ }
+ /**
+ * 灏咺Pv4鍦板潃杞崲鎴愬瓧鑺�
+ *
+ * @param text IPv4鍦板潃
+ * @return byte 瀛楄妭
+ */
+ public static byte[] textToNumericFormatV4(String text)
+ {
+ if (text.length() == 0)
+ {
+ return null;
+ }
+
+ byte[] bytes = new byte[4];
+ String[] elements = text.split("\\.", -1);
+ try
+ {
+ long l;
+ int i;
+ switch (elements.length)
+ {
+ case 1:
+ l = Long.parseLong(elements[0]);
+ if ((l < 0L) || (l > 4294967295L))
+ {
+ return null;
+ }
+ bytes[0] = (byte) (int) (l >> 24 & 0xFF);
+ bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
+ bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
+ bytes[3] = (byte) (int) (l & 0xFF);
+ break;
+ case 2:
+ l = Integer.parseInt(elements[0]);
+ if ((l < 0L) || (l > 255L))
+ {
+ return null;
+ }
+ bytes[0] = (byte) (int) (l & 0xFF);
+ l = Integer.parseInt(elements[1]);
+ if ((l < 0L) || (l > 16777215L))
+ {
+ return null;
+ }
+ bytes[1] = (byte) (int) (l >> 16 & 0xFF);
+ bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
+ bytes[3] = (byte) (int) (l & 0xFF);
+ break;
+ case 3:
+ for (i = 0; i < 2; ++i)
+ {
+ l = Integer.parseInt(elements[i]);
+ if ((l < 0L) || (l > 255L))
+ {
+ return null;
+ }
+ bytes[i] = (byte) (int) (l & 0xFF);
+ }
+ l = Integer.parseInt(elements[2]);
+ if ((l < 0L) || (l > 65535L))
+ {
+ return null;
+ }
+ bytes[2] = (byte) (int) (l >> 8 & 0xFF);
+ bytes[3] = (byte) (int) (l & 0xFF);
+ break;
+ case 4:
+ for (i = 0; i < 4; ++i)
+ {
+ l = Integer.parseInt(elements[i]);
+ if ((l < 0L) || (l > 255L))
+ {
+ return null;
+ }
+ bytes[i] = (byte) (int) (l & 0xFF);
+ }
+ break;
+ default:
+ return null;
+ }
+ }
+ catch (NumberFormatException e)
+ {
+ return null;
+ }
+ return bytes;
+ }
+
+ /**
+ * 鑾峰彇IP鍦板潃
+ *
+ * @return 鏈湴IP鍦板潃
+ */
+ public static String getHostIp()
+ {
+ try
+ {
+ return InetAddress.getLocalHost().getHostAddress();
+ }
+ catch (UnknownHostException e)
+ {
+ }
+ return "127.0.0.1";
+ }
+
+ /**
+ * 鑾峰彇涓绘満鍚�
+ *
+ * @return 鏈湴涓绘満鍚�
+ */
+ public static String getHostName()
+ {
+ try
+ {
+ return InetAddress.getLocalHost().getHostName();
+ }
+ catch (UnknownHostException e)
+ {
+ }
+ return "鏈煡";
+ }
+
+ /**
+ * 浠庡绾у弽鍚戜唬鐞嗕腑鑾峰緱绗竴涓潪unknown IP鍦板潃
+ *
+ * @param ip 鑾峰緱鐨処P鍦板潃
+ * @return 绗竴涓潪unknown IP鍦板潃
+ */
+ public static String getMultistageReverseProxyIp(String ip)
+ {
+ // 澶氱骇鍙嶅悜浠ｇ悊妫�娴�
+ if (ip != null && ip.indexOf(",") > 0)
+ {
+ final String[] ips = ip.trim().split(",");
+ for (String subIp : ips)
+ {
+ if (false == isUnknown(subIp))
+ {
+ ip = subIp;
+ break;
+ }
+ }
+ }
+ return ip;
+ }
+
+ /**
+ * 妫�娴嬬粰瀹氬瓧绗︿覆鏄惁涓烘湭鐭ワ紝澶氱敤浜庢娴婬TTP璇锋眰鐩稿叧
+ *
+ * @param checkString 琚娴嬬殑瀛楃涓�
+ * @return 鏄惁鏈煡
+ */
+ public static boolean isUnknown(String checkString)
+ {
+ return isBlank(checkString) || "unknown".equalsIgnoreCase(checkString);
+ }
+
+ private static boolean isBlank(final CharSequence cs) {
+ final int strLen = length(cs);
+ if (strLen == 0) {
+ return true;
+ }
+ for (int i = 0; i < strLen; i++) {
+ if (!Character.isWhitespace(cs.charAt(i))) {
+ return false;
+ }
+ }
+ return true;
+ }
+ public static int length(final CharSequence cs) {
+ return cs == null ? 0 : cs.length();
+ }
+}
\ No newline at end of file
--
Gitblit v1.8.0