| | |
| | | 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.ServletUtils;
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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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| | |
| | | */
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| | | public class IpUtils
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| | | {
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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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| | | * |
| | | * @return IP地址
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| | | */
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| | | public static String getIpAddr()
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| | | {
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| | | return getIpAddr(ServletUtils.getRequest());
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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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| | | * |
| | | * @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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| | |
| | | {
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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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| | | /**
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| | | * 检查是否为内部IP地址
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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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| | | /**
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| | | * 检查是否为内部IP地址
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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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| | |
| | | {
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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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| | |
| | | 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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| | |
| | | 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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| | |
| | | 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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| | |
| | | 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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| | | * |
| | | * @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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| | |
| | | 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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| | | * |
| | | * @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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| | |
| | | }
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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 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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| | | {
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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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| | | {
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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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| | | {
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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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| | | {
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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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| | | {
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| | | if (!s1[i].equals(s2[i]))
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| | | {
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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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| | | {
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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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| | | {
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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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| | | {
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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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| | | {
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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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| | | * |
| | | * @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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| | | {
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| | | if (StringUtils.isEmpty(filter) || StringUtils.isEmpty(ip))
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| | | {
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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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| | | {
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| | | if (isIP(iStr) && iStr.equals(ip))
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| | | {
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| | | return true;
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| | | }
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| | | else if (isIpWildCard(iStr) && ipIsInWildCardNoCheck(iStr, ip))
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| | | {
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| | | return true;
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| | | }
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| | | else if (isIPSegment(iStr) && ipIsInNetNoCheck(iStr, ip))
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| | | {
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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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| | | } |