dev add additional info user

src/main/java/ru/soune/nocopy/handler/validator/RegRequestValidator.java

@@ -1,6 +1,7 @@
 package ru.soune.nocopy.handler.validator;
 
 import org.apache.commons.validator.routines.EmailValidator;
+import org.apache.commons.validator.routines.InetAddressValidator;
 import org.springframework.stereotype.Component;
 import org.springframework.validation.Errors;
 import org.springframework.validation.Validator;
@@ -28,6 +29,7 @@ public class RegRequestValidator implements Validator {
         validateEmail(request.getEmail(), errors);
         validateCompanyName(request.getCompanyName(), errors);
         validateFullName(request.getFullName(), errors);
+        validateAdditionalInfo(request.getIp(), request.getUserAgent(), errors);
     }
 
     private void validateFullName(String fullName, Errors errors) {
@@ -73,6 +75,21 @@ public class RegRequestValidator implements Validator {
         }
     }
 
+    public void validateAdditionalInfo(String ip, String userAgent, Errors errors) {
+        if (ip == null || ip.trim().isEmpty()) {
+            errors.rejectValue("ip", "ip.required", "IP address is required");
+        } else if (!InetAddressValidator.getInstance().isValid(ip.trim())) {
+            errors.rejectValue("ip", "ip.invalid", "Invalid IP address format");
+        }
+
+        if (userAgent == null || userAgent.trim().isEmpty()) {
+            errors.rejectValue("userAgent", "userAgent.required", "User agent is required");
+        } else if (userAgent.length() > 500) {
+            errors.rejectValue("userAgent", "userAgent.tooLong", "User agent must not exceed " +
+                    "500 characters");
+        }
+    }
+
     public void validateEmail(String email, Errors errors) {
         if (email == null || email.trim().isEmpty()) {
             errors.rejectValue("email", "email.is.empty", "Email must not be empty");