add ip to geolocation util

apps/api-threat-detection/pom.xml

@@ -89,6 +89,12 @@
             <version>2.9.3</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.maxmind.geoip2</groupId>
+            <artifactId>geoip2</artifactId>
+            <version>2.15.0</version>
+        </dependency>
+
     </dependencies>
     <build>
         <plugins>

apps/api-threat-detection/src/main/java/com/akto/utils/IpGeolocation.java

@@ -0,0 +1,40 @@
+package com.akto.utils;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.InetAddress;
+import java.nio.file.Paths;
+
+import com.akto.log.LoggerMaker;
+import com.maxmind.geoip2.DatabaseReader;
+import com.maxmind.geoip2.model.CountryResponse;
+
+public class IpGeolocation {
+
+    // todo: modify file path
+    private static File database = new File("/Users/admin/Downloads/GeoLite2-Country_20241119/GeoLite2-Country.mmdb");
+    private static DatabaseReader reader;
+    private static final LoggerMaker loggerMaker = new LoggerMaker(IpGeolocation.class);
+
+    public IpGeolocation() {
+        try {
+            reader = new DatabaseReader.Builder(database).build();   
+        } catch (Exception e) {
+            loggerMaker.errorAndAddToDb("IpGeolocation init failed " + e.getMessage());
+        }
+    }
+
+    public String fetchLocationByIp(String ip) throws Exception {
+        if (reader == null) {
+            throw new Exception("IpGeolocation not init properly, unable to fetch location");
+        }
+        InetAddress ipAddress = InetAddress.getByName(ip);
+
+        CountryResponse response = reader.country(ipAddress);
+        String country = response.getCountry().getName();
+        return country;
+    }
+
+}