package org.apereo.cas.support.geo.maxmind;
import com.google.common.base.Throwables;
import com.maxmind.db.CHMCache;
import com.maxmind.geoip2.DatabaseReader;
import com.maxmind.geoip2.exception.AddressNotFoundException;
import com.maxmind.geoip2.model.CityResponse;
import com.maxmind.geoip2.model.CountryResponse;
import org.apereo.cas.authentication.adaptive.geo.GeoLocationResponse;
import org.apereo.cas.configuration.model.support.geo.maxmind.MaxmindProperties;
import org.apereo.cas.support.geo.AbstractGeoLocationService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.InetAddress;
/**
* This is {@link MaxmindDatabaseGeoLocationService} that reads geo data
* from a maxmind database and constructs a geo location based on the ip address.
* Default caching of the databases is enabled by default.
*
* @author Misagh Moayyed
* @since 5.0.0
*/
public class MaxmindDatabaseGeoLocationService extends AbstractGeoLocationService {
private static final Logger LOGGER = LoggerFactory.getLogger(MaxmindDatabaseGeoLocationService.class);
private DatabaseReader cityDatabaseReader;
private DatabaseReader countryDatabaseReader;
public MaxmindDatabaseGeoLocationService(final MaxmindProperties properties) {
try {
if (properties.getCityDatabase().exists()) {
this.cityDatabaseReader = new DatabaseReader.Builder(properties.getCityDatabase().getFile())
.withCache(new CHMCache()).build();
}
if (properties.getCountryDatabase().exists()) {
this.countryDatabaseReader = new DatabaseReader.Builder(properties.getCountryDatabase().getFile())
.withCache(new CHMCache()).build();
}
} catch (final Exception e) {
throw Throwables.propagate(e);
}
}
@Override
public GeoLocationResponse locate(final InetAddress address) {
try {
final GeoLocationResponse location = new GeoLocationResponse();
if (this.cityDatabaseReader != null) {
final CityResponse response = this.cityDatabaseReader.city(address);
location.addAddress(response.getCity().getName());
location.setLatitude(response.getLocation().getLatitude());
location.setLongitude(response.getLocation().getLongitude());
}
if (this.countryDatabaseReader != null) {
final CountryResponse response = this.countryDatabaseReader.country(address);
location.addAddress(response.getCountry().getName());
}
LOGGER.debug("Geo location for [{}] is calculated as [{}]", address, location);
return location;
} catch (final AddressNotFoundException e) {
LOGGER.info(e.getMessage(), e);
} catch (final Exception e) {
LOGGER.error(e.getMessage(), e);
}
return null;
}
@Override
public GeoLocationResponse locate(final String address) {
try {
return locate(InetAddress.getByName(address));
} catch (final Exception e) {
LOGGER.error(e.getMessage(), e);
}
return null;
}
@Override
public GeoLocationResponse locate(final Double latitude, final Double longitude) {
LOGGER.warn("Geolocating an address by latitude/longitude [{}]/[{}] is not supported", latitude, longitude);
return null;
}
}