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<?php
/* mga_geoip.php
*
* A simple wrapper around a few geoip functions.
* Could be improved:
* - moving the country/continent map in a more efficient structure?
*
* Copyright (C) 2012 Mageia.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
class MGA_Geoip {
// "iso 3166 country","continent code"
// taken from http://www.maxmind.com/app/country_continent
public static $MGA_GEOIP_COUNTRY_TO_CONTINENT = array(
'A1' => '--', 'A2' => '--', 'AD' => 'EU', 'AE' => 'AS', 'AF' => 'AS',
'AG' => 'NA', 'AI' => 'NA', 'AL' => 'EU', 'AM' => 'AS', 'AN' => 'NA',
'AO' => 'AF', 'AP' => 'AS', 'AQ' => 'AN', 'AR' => 'SA', 'AS' => 'OC',
'AT' => 'EU', 'AU' => 'OC', 'AW' => 'NA', 'AX' => 'EU', 'AZ' => 'AS',
'BA' => 'EU', 'BB' => 'NA', 'BD' => 'AS', 'BE' => 'EU', 'BF' => 'AF',
'BG' => 'EU', 'BH' => 'AS', 'BI' => 'AF', 'BJ' => 'AF', 'BL' => 'NA',
'BM' => 'NA', 'BN' => 'AS', 'BO' => 'SA', 'BR' => 'SA', 'BS' => 'NA',
'BT' => 'AS', 'BV' => 'AN', 'BW' => 'AF', 'BY' => 'EU', 'BZ' => 'NA',
'CA' => 'NA', 'CC' => 'AS', 'CD' => 'AF', 'CF' => 'AF', 'CG' => 'AF',
'CH' => 'EU', 'CI' => 'AF', 'CK' => 'OC', 'CL' => 'SA', 'CM' => 'AF',
'CN' => 'AS', 'CO' => 'SA', 'CR' => 'NA', 'CU' => 'NA', 'CV' => 'AF',
'CX' => 'AS', 'CY' => 'AS', 'CZ' => 'EU',
'DE' => 'EU', 'DJ' => 'AF', 'DK' => 'EU', 'DM' => 'NA', 'DO' => 'NA',
'DZ' => 'AF',
'EC' => 'SA', 'EE' => 'EU', 'EG' => 'AF', 'EH' => 'AF', 'ER' => 'AF',
'ES' => 'EU', 'ET' => 'AF', 'EU' => 'EU',
'FI' => 'EU', 'FJ' => 'OC', 'FK' => 'SA', 'FM' => 'OC', 'FO' => 'EU',
'FR' => 'EU', 'FX' => 'EU',
'GA' => 'AF', 'GB' => 'EU', 'GD' => 'NA', 'GE' => 'AS', 'GF' => 'SA',
'GG' => 'EU', 'GH' => 'AF', 'GI' => 'EU', 'GL' => 'NA', 'GM' => 'AF',
'GN' => 'AF', 'GP' => 'NA', 'GQ' => 'AF', 'GR' => 'EU', 'GS' => 'AN',
'GT' => 'NA', 'GU' => 'OC', 'GW' => 'AF', 'GY' => 'SA',
'HK' => 'AS', 'HM' => 'AN', 'HN' => 'NA', 'HR' => 'EU', 'HT' => 'NA',
'HU' => 'EU',
'ID' => 'AS', 'IE' => 'EU', 'IL' => 'AS', 'IM' => 'EU', 'IN' => 'AS',
'IO' => 'AS', 'IQ' => 'AS', 'IR' => 'AS', 'IS' => 'EU', 'IT' => 'EU',
'JE' => 'EU', 'JM' => 'NA', 'JO' => 'AS', 'JP' => 'AS',
'KE' => 'AF', 'KG' => 'AS', 'KH' => 'AS', 'KI' => 'OC', 'KM' => 'AF',
'KN' => 'NA', 'KP' => 'AS', 'KR' => 'AS', 'KW' => 'AS', 'KY' => 'NA',
'KZ' => 'AS',
'LA' => 'AS', 'LB' => 'AS', 'LC' => 'NA', 'LI' => 'EU', 'LK' => 'AS',
'LR' => 'AF', 'LS' => 'AF', 'LT' => 'EU', 'LU' => 'EU', 'LV' => 'EU',
'LY' => 'AF',
'MA' => 'AF', 'MC' => 'EU', 'MD' => 'EU', 'ME' => 'EU', 'MF' => 'NA',
'MG' => 'AF', 'MH' => 'OC', 'MK' => 'EU', 'ML' => 'AF', 'MM' => 'AS',
'MN' => 'AS', 'MO' => 'AS', 'MP' => 'OC', 'MQ' => 'NA', 'MR' => 'AF',
'MS' => 'NA', 'MT' => 'EU', 'MU' => 'AF', 'MV' => 'AS', 'MW' => 'AF',
'MX' => 'NA', 'MY' => 'AS', 'MZ' => 'AF',
'NA' => 'AF', 'NC' => 'OC', 'NE' => 'AF', 'NF' => 'OC', 'NG' => 'AF',
'NI' => 'NA', 'NL' => 'EU', 'NO' => 'EU', 'NP' => 'AS', 'NR' => 'OC',
'NU' => 'OC', 'NZ' => 'OC',
'O1' => '--', 'OM' => 'AS',
'PA' => 'NA', 'PE' => 'SA', 'PF' => 'OC', 'PG' => 'OC', 'PH' => 'AS',
'PK' => 'AS', 'PL' => 'EU', 'PM' => 'NA', 'PN' => 'OC', 'PR' => 'NA',
'PS' => 'AS', 'PT' => 'EU', 'PW' => 'OC', 'PY' => 'SA',
'QA' => 'AS',
'RE' => 'AF', 'RO' => 'EU', 'RS' => 'EU', 'RU' => 'EU', 'RW' => 'AF',
'SA' => 'AS', 'SB' => 'OC', 'SC' => 'AF', 'SD' => 'AF', 'SE' => 'EU',
'SG' => 'AS', 'SH' => 'AF', 'SI' => 'EU', 'SJ' => 'EU', 'SK' => 'EU',
'SL' => 'AF', 'SM' => 'EU', 'SN' => 'AF', 'SO' => 'AF', 'SR' => 'SA',
'ST' => 'AF', 'SV' => 'NA', 'SY' => 'AS', 'SZ' => 'AF',
'TC' => 'NA', 'TD' => 'AF', 'TF' => 'AN', 'TG' => 'AF', 'TH' => 'AS',
'TJ' => 'AS', 'TK' => 'OC', 'TL' => 'AS', 'TM' => 'AS', 'TN' => 'AF',
'TO' => 'OC', 'TR' => 'EU', 'TT' => 'NA', 'TV' => 'OC', 'TW' => 'AS',
'TZ' => 'AF',
'UA' => 'EU', 'UG' => 'AF', 'UM' => 'OC', 'US' => 'NA', 'UY' => 'SA',
'UZ' => 'AS',
'VA' => 'EU', 'VC' => 'NA', 'VE' => 'SA', 'VG' => 'NA', 'VI' => 'NA',
'VN' => 'AS', 'VU' => 'OC',
'WF' => 'OC', 'WS' => 'OC',
'YE' => 'AS', 'YT' => 'AF',
'ZA' => 'AF', 'ZM' => 'AF', 'ZW' => 'AF'
);
/**
* Wrapper to PHP module function or available MaxMind API library.
* Works with IPv4 and IPv6 addresses.
*
* @param string $ip
* @param boolean $try_php_module
*
* @return string
*
* If fail, use $country as a fallback to return.
* @see http://www.maxmind.com/app/php & http://www.maxmind.com/app/geoip_country
* It has limitations too & needs to be updated from time to time.
*/
public static function mga_geoip_country_by_ip($ip, $try_php_module = true)
{
if ($ip == '127.0.0.1' || $ip == '::1')
return null;
if ($try_php_module && function_exists('geoip_country_code_by_name'))
{
// may shout a "Host {IP} not found"
$loc = @geoip_country_code_by_name($ip);
}
else
{
require_once realpath(__DIR__ . '/maxmind/geoip/geoipv6.inc.php');
$gi = _lib_geoip_open(realpath(__DIR__ . '/maxmind/geoip/GeoIPv6.dat'), GEOIP_STANDARD);
// naive rewrite of IPv4 into IPv6
if (strpos($ip, ':') === false)
$ip = '::' . $ip;
$loc = _lib_geoip_country_code_by_addr_v6($gi, $ip);
_lib_geoip_close($gi);
}
if (trim($loc) == '' || is_null($loc))
return null;
return strtoupper($loc);
}
/**
* Get continent after country.
*
* @param string $country
*
* @return string
*/
public static function mga_geoip_continent_by_country($country) {
if (array_key_exists($country, self::$MGA_GEOIP_COUNTRY_TO_CONTINENT))
return self::$MGA_GEOIP_COUNTRY_TO_CONTINENT[$country];
return '--';
}
}
|
