获取请求主机IP地址工具 @author pt
| 13 | * @author pt |
| 14 | */ |
| 15 | @Slf4j |
| 16 | public class IPUtils { |
| 17 | |
| 18 | /** |
| 19 | * 获取请求主机IP地址,如果通过代理进来，则透过防火墙获取真实IP地址; |
| 20 | * <p> |
| 21 | * x-real-ip:171.111 |
| 22 | * x-forwarded-for:171.1.157.11 |
| 23 | * remote-host:171.111.157.11 |
| 24 | * 使用Nginx等反向代理软件， 则不能通过request.getRemoteAddr()获取IP地址 |
| 25 | * 如果使用了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP地址，X-Forwarded-For中第一个非unknown的有效IP字符串，则为真实IP地址 |
| 26 | */ |
| 27 | public static String getIpAddr() { |
| 28 | |
| 29 | HttpServletRequest request = |
| 30 | ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest(); |
| 31 | |
| 32 | |
| 33 | //打印头信息 |
| 34 | // Enumeration enums = request.getHeaderNames(); |
| 35 | // while (enums.hasMoreElements()) { |
| 36 | // String headerName = (String) enums.nextElement(); |
| 37 | // String headerValue = request.getHeader(headerName); |
| 38 | // log.info(headerName + ":" + headerValue); |
| 39 | // } |
| 40 | |
| 41 | |
| 42 | return getIpAddr(request); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * 获取请求主机IP地址,如果通过代理进来，则透过防火墙获取真实IP地址; |
| 47 | * <p> |
| 48 | * x-real-ip:171.111 |
| 49 | * x-forwarded-for:171.1.157.11 |
| 50 | * remote-host:171.111.157.11 |
| 51 | * 使用Nginx等反向代理软件， 则不能通过request.getRemoteAddr()获取IP地址 |
| 52 | * 如果使用了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP地址，X-Forwarded-For中第一个非unknown的有效IP字符串，则为真实IP地址 |
| 53 | */ |
| 54 | public static String getIpAddr(HttpServletRequest request) { |
| 55 | |
| 56 | String ip = null; |
| 57 | try { |
| 58 | ip = request.getHeader("x-real-ip"); |
| 59 | |
| 60 | |
| 61 | if (isUnknownIp(ip)) { |
| 62 | ip = request.getHeader("x-forwarded-for"); |
| 63 | |
| 64 | } |
| 65 | if (isUnknownIp(ip)) { |
| 66 | ip = request.getHeader("remote-host"); |
| 67 | } |
| 68 | if (isUnknownIp(ip)) { |
| 69 | ip = request.getHeader("Proxy-Client-IP"); |
| 70 | |
| 71 | } |
| 72 | if (isUnknownIp(ip)) { |
nothing calls this directly
no outgoing calls
no test coverage detected