IP Geo API provider class for ip-geo-block

class-znginx-geoip.php

<?php

if (class_exists ('IP_Geo_Block_API', FALSE)) {

	/** Class for Nginx with Http GeoIP Module
	 * @see http://nginx.org/en/docs/http/ngx_http_geoip_module.html
	 * @see https://gist.github.com/gjuric/fc418ab81a56b63a633e
	 */
	class IP_Geo_Block_API_NginxGeoIP extends IP_Geo_Block_API {

		public function get_location ($ip, $args = array()) {
			if ($ip !== $_SERVER['REMOTE_ADDR']) {
				return array (
					'errorMessage'	=> 'Service not available. Please select another provider.',
				);
			}
			return array(
				'countryCode'	=> isset ($_SERVER['GEOIP_COUNTRY_CODE']) ? $_SERVER['GEOIP_COUNTRY_CODE'] : 'ZZ',
				'countryName'	=> isset ($_SERVER['GEOIP_COUNTRY_NAME']) ? $_SERVER['GEOIP_COUNTRY_NAME'] : '',
				'regionName'	=> isset ($_SERVER['GEOIP_REGION_NAME']) ? $_SERVER['GEOIP_REGION_NAME'] : '',
				'cityName'		=> isset ($_SERVER['GEOIP_CITY']) ? $_SERVER['GEOIP_CITY'] : '',
				'latitude'		=> isset ($_SERVER['GEOIP_LATITUDE']) ? $_SERVER['GEOIP_LATITUDE'] : '',
				'longitude'		=> isset ($_SERVER['GEOIP_LONGITUDE']) ? $_SERVER['GEOIP_LONGITUDE'] : '',
			);
		}

		public function get_attribution () { return NULL; }

		public function download (&$db, $args) { return FALSE; }

		public function add_settings_field ($field, $section, $option_slug, $option_name, $options, $callback, $str_path, $str_last) {}
	}

	/** Register API */
	IP_Geo_Block_Provider::register_addon (
		array (
			'Nginx+GeoIP' => array (
				'key'	=> NULL,
				'type'	=> 'IPv4, IPv6',
				'link'	=> '<a href="http://nginx.org/en/docs/http/ngx_http_geoip_module.html" title="Nginx ngx_http_geoip_module (Maxmind)" rel=noreferrer target=_blank>Nginx ngx_http_geoip_module (Maxmind)</a>&nbsp;(IPv4, IPv6)',
			),
		)
	);

}