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<?php
/* Copyright (C) 2009-2012 Laurent Destailleur <eldy@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* or see http://www.gnu.org/
*/
/**
* \file htdocs/core/class/dolgeoip.class.php
* \ingroup geoip
* \brief File of class to manage module geoip
*/
/**
* \class DolGeoIP
* \brief Classe to manage GeoIP
* Usage:
* $geoip=new GeoIP('country',$datfile);
* $geoip->getCountryCodeFromIP($ip);
* $geoip->close();
*/
class DolGeoIP
{
public $gi;
/**
* Constructor
*
* @param string $type 'country' or 'city'
* @param string $datfile Data file
*/
public function __construct($type, $datfile)
{
if ($type == 'country')
{
// geoip may have been already included with PEAR
if (! function_exists('geoip_country_code_by_name')) $res=include_once GEOIP_PATH.'geoip.inc';
}
elseif ($type == 'city')
{
// geoip may have been already included with PEAR
if (! function_exists('geoip_country_code_by_name')) $res=include_once GEOIP_PATH.'geoipcity.inc';
}
else { print 'ErrorBadParameterInConstructor'; return 0; }
// Here, function exists (embedded into PHP or exists because we made include)
if (empty($type) || empty($datfile))
{
$this->errorlabel='Constructor was called with no datafile parameter';
dol_syslog('DolGeoIP '.$this->errorlabel, LOG_ERR);
return 0;
}
if (! file_exists($datfile) || ! is_readable($datfile))
{
$this->error='ErrorGeoIPClassNotInitialized';
$this->errorlabel="Datafile ".$datfile." not found";
dol_syslog('DolGeoIP '.$this->errorlabel, LOG_ERR);
return 0;
}
if (function_exists('geoip_open'))
{
$this->gi = geoip_open($datfile, GEOIP_STANDARD);
}
else
{
$this->gi = 'NOGI'; // We are using embedded php geoip functions
//print 'function_exists(geoip_country_code_by_name))='.function_exists('geoip_country_code_by_name');
//print geoip_database_info();
}
}
/**
* Return in lower case the country code from an ip
*
* @param string $ip IP to scan
* @return string Country code (two letters)
*/
public function getCountryCodeFromIP($ip)
{
if (empty($this->gi))
{
return '';
}
if ($this->gi == 'NOGI')
{
// geoip_country_code_by_addr does not exists
return strtolower(geoip_country_code_by_name($ip));
}
else
{
if (! function_exists('geoip_country_code_by_addr')) return strtolower(geoip_country_code_by_name($this->gi, $ip));
return strtolower(geoip_country_code_by_addr($this->gi, $ip));
}
}
/**
* Return in lower case the country code from a host name
*
* @param string $name FQN of host (example: myserver.xyz.com)
* @return string Country code (two letters)
*/
public function getCountryCodeFromName($name)
{
if (empty($this->gi))
{
return '';
}
return geoip_country_code_by_name($this->gi, $name);
}
/**
* Return verion of data file
*
* @return string Version of datafile
*/
public function getVersion()
{
if ($this->gi == 'NOGI') return geoip_database_info();
return 'Not available (not using PHP internal geo functions)';
}
/**
* Close geoip object
*
* @return void
*/
public function close()
{
if (function_exists('geoip_close')) {
// With some geoip with PEAR, geoip_close function may not exists
geoip_close($this->gi);
}
}
}