针对XFF的IP篡改，修改获取真是IP的工具类

backend/src/main/java/com/jiayue/ssi/util/IPUtils.java

@@ -41,24 +41,24 @@ public class IPUtils {
         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();
-        }
-
+//        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();
+//        }
+        String ip = request.getRemoteAddr();
         return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : ip;
     }