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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 javax.servlet.http.HttpServletRequest;
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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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* 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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public class IpUtils
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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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{
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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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ip = request.getRemoteAddr();
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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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+
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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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+ * 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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{
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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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+ * 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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{
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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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case 1:
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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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}
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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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case 2:
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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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}
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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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+ if ((l < 0L) || (l > 16777215L))
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+ {
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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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@@ -136,13 +157,15 @@ public class IpUtils
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for (i = 0; i < 2; ++i)
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{
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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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}
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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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+ if ((l < 0L) || (l > 65535L))
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+ {
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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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@@ -152,7 +175,8 @@ public class IpUtils
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for (i = 0; i < 4; ++i)
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{
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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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}
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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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}
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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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{
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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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}
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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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{
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try
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@@ -192,4 +226,39 @@ public class IpUtils
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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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+ {
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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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+ /**
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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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“zyj”