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@@ -0,0 +1,313 @@
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+package com.dskj.znzn.importData.common.utils;
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+
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+import org.apache.commons.lang3.StringUtils;
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+
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+import javax.servlet.http.HttpServletRequest;
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+import java.net.InetAddress;
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+import java.net.UnknownHostException;
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+
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+/**
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+ * 获取IP方法
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+ *
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+ * @author ruoyi
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+ */
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+public class IpUtils {
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+ public final static String REGX_0_255 = "(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]\\d|\\d)";
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+ // 匹配 ip
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+ public final static String REGX_IP = "((" + REGX_0_255 + "\\.){3}" + REGX_0_255 + ")";
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+ public final static String REGX_IP_WILDCARD = "(((\\*\\.){3}\\*)|(" + REGX_0_255 + "(\\.\\*){3})|(" + REGX_0_255 + "\\." + REGX_0_255 + ")(\\.\\*){2}" + "|((" + REGX_0_255 + "\\.){3}\\*))";
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+ // 匹配网段
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+ public final static String REGX_IP_SEG = "(" + REGX_IP + "\\-" + REGX_IP + ")";
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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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+ if (request == null) {
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+ return "unknown";
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+ }
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+ String ip = request.getHeader("x-forwarded-for");
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+ if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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+ ip = request.getHeader("Proxy-Client-IP");
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+ }
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+ if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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+ ip = request.getHeader("X-Forwarded-For");
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+ }
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+ if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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+ ip = request.getHeader("WL-Proxy-Client-IP");
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+ }
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+ if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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+ ip = request.getHeader("X-Real-IP");
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+ }
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+
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+ if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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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" : 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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+ byte[] addr = textToNumericFormatV4(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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+ if (null == addr || addr.length < 2) {
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+ return true;
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+ }
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+ final byte b0 = addr[0];
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+ final byte b1 = addr[1];
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+ // 10.x.x.x/8
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+ final byte SECTION_1 = 0x0A;
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+ // 172.16.x.x/12
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+ final byte SECTION_2 = (byte) 0xAC;
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+ final byte SECTION_3 = (byte) 0x10;
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+ final byte SECTION_4 = (byte) 0x1F;
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+ // 192.168.x.x/16
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+ final byte SECTION_5 = (byte) 0xC0;
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+ final byte SECTION_6 = (byte) 0xA8;
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+ switch (b0) {
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+ case SECTION_1:
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+ return true;
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+ case SECTION_2:
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+ if (b1 >= SECTION_3 && b1 <= SECTION_4) {
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+ return true;
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+ }
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+ case SECTION_5:
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+ if (b1 == SECTION_6) {
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+ return true;
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+ }
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+ default:
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+ return false;
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+ }
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+ }
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+
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+ /**
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+ * 将IPv4地址转换成字节
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+ *
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+ * @param text IPv4地址
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+ * @return byte 字节
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+ */
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+ public static byte[] textToNumericFormatV4(String text) {
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+ if (text.length() == 0) {
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+ return null;
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+ }
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+
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+ byte[] bytes = new byte[4];
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+ String[] elements = text.split("\\.", -1);
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+ try {
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+ long l;
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+ int i;
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+ switch (elements.length) {
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+ case 1:
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+ l = Long.parseLong(elements[0]);
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+ if ((l < 0L) || (l > 4294967295L)) {
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+ return null;
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+ }
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+ bytes[0] = (byte) (int) (l >> 24 & 0xFF);
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+ bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
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+ bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
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+ bytes[3] = (byte) (int) (l & 0xFF);
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+ break;
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+ case 2:
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+ l = Integer.parseInt(elements[0]);
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+ if ((l < 0L) || (l > 255L)) {
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+ return null;
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+ }
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+ bytes[0] = (byte) (int) (l & 0xFF);
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+ l = Integer.parseInt(elements[1]);
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+ if ((l < 0L) || (l > 16777215L)) {
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+ return null;
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+ }
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+ bytes[1] = (byte) (int) (l >> 16 & 0xFF);
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+ bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
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+ bytes[3] = (byte) (int) (l & 0xFF);
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+ break;
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+ case 3:
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+ for (i = 0; i < 2; ++i) {
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+ l = Integer.parseInt(elements[i]);
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+ if ((l < 0L) || (l > 255L)) {
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+ return null;
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+ }
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+ bytes[i] = (byte) (int) (l & 0xFF);
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+ }
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+ l = Integer.parseInt(elements[2]);
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+ if ((l < 0L) || (l > 65535L)) {
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+ return null;
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+ }
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+ bytes[2] = (byte) (int) (l >> 8 & 0xFF);
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+ bytes[3] = (byte) (int) (l & 0xFF);
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+ break;
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+ case 4:
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+ for (i = 0; i < 4; ++i) {
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+ l = Integer.parseInt(elements[i]);
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+ if ((l < 0L) || (l > 255L)) {
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+ return null;
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+ }
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+ bytes[i] = (byte) (int) (l & 0xFF);
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+ }
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+ break;
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+ default:
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+ return null;
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+ }
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+ } catch (NumberFormatException e) {
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+ return null;
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+ }
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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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+ try {
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+ return InetAddress.getLocalHost().getHostAddress();
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+ } catch (UnknownHostException ignored) {
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+ }
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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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+ try {
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+ return InetAddress.getLocalHost().getHostName();
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+ } catch (UnknownHostException ignored) {
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+ }
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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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+ // 多级反向代理检测
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+ if (ip != null && ip.indexOf(",") > 0) {
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+ final String[] ips = ip.trim().split(",");
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+ for (String subIp : ips) {
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+ if (!isUnknown(subIp)) {
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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 StringUtils.substring(ip, 0, 255);
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+ }
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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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+ return StringUtils.isBlank(checkString) || "unknown".equalsIgnoreCase(checkString);
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+ }
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+
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+ /**
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+ * 是否为IP
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+ */
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+ public static boolean isIP(String ip) {
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+ return StringUtils.isNotBlank(ip) && ip.matches(REGX_IP);
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+ }
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+
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+ /**
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+ * 是否为IP,或 *为间隔的通配符地址
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+ */
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+ public static boolean isIpWildCard(String ip) {
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+ return StringUtils.isNotBlank(ip) && ip.matches(REGX_IP_WILDCARD);
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+ }
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+
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+ /**
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+ * 检测参数是否在ip通配符里
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+ */
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+ public static boolean ipIsInWildCardNoCheck(String ipWildCard, String ip) {
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+ String[] s1 = ipWildCard.split("\\.");
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+ String[] s2 = ip.split("\\.");
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+ boolean isMatchedSeg = true;
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+ for (int i = 0; i < s1.length && !s1[i].equals("*"); i++) {
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+ if (!s1[i].equals(s2[i])) {
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+ isMatchedSeg = false;
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+ break;
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+ }
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+ }
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+ return isMatchedSeg;
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+ }
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+
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+ /**
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+ * 是否为特定格式如:“10.10.10.1-10.10.10.99”的ip段字符串
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+ */
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+ public static boolean isIPSegment(String ipSeg) {
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+ return StringUtils.isNotBlank(ipSeg) && ipSeg.matches(REGX_IP_SEG);
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+ }
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+
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+ /**
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+ * 判断ip是否在指定网段中
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+ */
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+ public static boolean ipIsInNetNoCheck(String iparea, String ip) {
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+ int idx = iparea.indexOf('-');
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+ String[] sips = iparea.substring(0, idx).split("\\.");
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+ String[] sipe = iparea.substring(idx + 1).split("\\.");
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+ String[] sipt = ip.split("\\.");
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+ long ips = 0L, ipe = 0L, ipt = 0L;
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+ for (int i = 0; i < 4; ++i) {
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+ ips = ips << 8 | Integer.parseInt(sips[i]);
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+ ipe = ipe << 8 | Integer.parseInt(sipe[i]);
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+ ipt = ipt << 8 | Integer.parseInt(sipt[i]);
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+ }
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+ if (ips > ipe) {
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+ long t = ips;
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+ ips = ipe;
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+ ipe = t;
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+ }
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+ return ips <= ipt && ipt <= ipe;
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+ }
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+
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+ /**
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+ * 校验ip是否符合过滤串规则
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+ *
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+ * @param filter 过滤IP列表,支持后缀'*'通配,支持网段如:`10.10.10.1-10.10.10.99`
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+ * @param ip 校验IP地址
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+ * @return boolean 结果
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+ */
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+ public static boolean isMatchedIp(String filter, String ip) {
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+ if (StringUtils.isEmpty(filter) || StringUtils.isEmpty(ip)) {
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+ return false;
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+ }
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+ String[] ips = filter.split(";");
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+ for (String iStr : ips) {
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+ if (isIP(iStr) && iStr.equals(ip)) {
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+ return true;
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+ } else if (isIpWildCard(iStr) && ipIsInWildCardNoCheck(iStr, ip)) {
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+ return true;
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+ } else if (isIPSegment(iStr) && ipIsInNetNoCheck(iStr, ip)) {
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+ return true;
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+ }
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+ }
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+ return false;
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+ }
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+}
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