Your IP : 216.73.216.138
<?php
/*
Addon Name: Use Local Geo Database
Plugin URI: http://premium.wpmudev.org/project/the-pop-over-plugin/
Description: Switches the geo checking from using an external API to using a local database
Author: Barry (Incsub)
Author URI: http://premium.wpmudev.org
Type: Caching
Version: 1.0
*/
class IncPopupAddon_GeoDB {
/**
* Initialize the addon.
*
* @since 4.6
*/
static public function init() {
static $Done = false;
if ( ! $Done && self::table_exists() ) {
$Done = true;
add_filter(
'popup-get-country',
array( __CLASS__, 'get_country' ),
10, 2
);
}
}
/**
* Checks if the lookup-table exists in local WordPress database.
*
* @since 1.0.0
* @return bool
*/
static public function table_exists() {
static $Result = null;
global $wpdb;
if ( null === $Result ) {
if ( ! defined( 'POPOVER_GEOLOOKUPTABLE' ) ) {
define( 'POPOVER_GEOLOOKUPTABLE', 'countrylookupip' );
}
$sql = 'SHOW TABLES LIKE %s';
$sql = $wpdb->prepare( $sql, POPOVER_GEOLOOKUPTABLE );
$table = $wpdb->get_var( $sql );
$Result = ( POPOVER_GEOLOOKUPTABLE == $table );
}
return $Result;
}
/**
* Searches the local cache table for the IP address and returns the
* associated country code.
*
* @since 1.0.0
* @param string $country The default value suggested by the filter caller.
* @param string $ip IP address to look up.
* @return string The country code of the IP address.
*/
static public function get_country( $country, $ip ) {
global $wpdb;
$sql = '
SELECT ctry
FROM ' . POPOVER_GEOLOOKUPTABLE . '
WHERE ipfrom <= INET_ATON(%s)
AND ipto >= INET_ATON(%s)
';
$sql = $wpdb->prepare( $sql, $ip, $ip );
$data = $wpdb->get_row( $sql );
if ( ! empty( $data ) ) {
if ( $data->ctry == 'ZZ' ) {
$country = 'XX';
} else {
$country = $data->ctry;
}
} else {
$country = 'XX';
}
if ( 'XX' == $country && PO_DEFAULT_COUNTRY ) {
$country = PO_DEFAULT_COUNTRY;
}
return $country;
}
};