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<?php

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// CLASS: ip2country - Find country from netblocks
//
// Copyright (C) 1987-2004 Pascal Toussaint <pascal@pascalz.com>
//
// 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 2 of the License, or 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, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
// This script uses the IP-to-Country Database
// provided by WebHosting.Info (http://www.webhosting.info),
// available from http://ip-to-country.webhosting.info.
//
// Download latest database at
// http://ip-to-country.directi.com/downloads/ip-to-country.csv.zip
//
// Look the latest file date (format YYYYMMDD)
// http://ip-to-country.directi.com/downloads/latest
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
// $Id: class.ip2country.php,v 1.4 2004/02/01 07:24:54 pascalz Exp $
//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

/** ensure this file is being included by a parent file */
if( !defined( '_JEXEC' ) && !defined( '_VALID_MOS' ) ) die( 'Restricted access' );

// Unquote a string...if quoted
function unquote(& $str) {
    $str = trim($str);

if (($str[0] == '"') && ($str[strlen($str) - 1] == '"')) {
        $str = substr($str, 1, strlen($str) - 2);
    }
}

// Recreate inet_aton function like in mySQL
// convert Internet dot address to network address
function inet_aton($ip) {
    $ip_array = explode(".", $ip);
    /*
        if (!isset($ip_array)) {
            return;
        }
    */
    return ($ip_array[0] * pow(256, 3)) + ($ip_array[1] * pow(256, 2)) + ($ip_array[2] * 256) + $ip_array[3];
}

class ip2country {
    var $CVSFile; // the ip-to-country.csv file
    var $IP; // IP to looking for

var $Prefix1; // Country prefix (2char) ex.: US
    var $Prefix2; // Country prefix (3char) ex.: USA
    var $Country; // Country name  ex.: UNITED STATE

var $UseDB; // Use database instead csv file (more fast)

// db values
    var $db_host; // host information for database connection
    var $db_login; // login information for database connection
    var $db_password; // password information for database connection
    var $db_basename; // base information for database connection
    var $db_tablename; // Your own table name
    var $db_ip_from_colname; // Your own ip_from column name
    var $db_ip_to_colname; // Your own ip_to column name
    var $db_prefix1_colname; // Your own prefix1 column name
    var $db_prefix2_colname; // Your own prefix2 column name
    var $db_country_colname; // Your own country column name

var $_IPn; // Private - network address

var $database;

// Constructor
    function ip2country($ip, $usedb = false) {
        $this->database = new JoomlaWatchDB();
        // TODO: Add regex to verify ip is valid
        if ($ip) {
            $this->_IPn = inet_aton($ip);
            $this->IP = $ip;
        }

$this->CVSFile = dirname(__FILE__) . "\ip-to-country.csv";
        $this->UseDB = $usedb;

// D�fault value
        $this->db_host = "localhost";
        $this->db_tablename = "ip2c";
        $this->db_ip_from_colname = "start";
        $this->db_ip_to_colname = "end";
        $this->db_prefix1_colname = "cc";
        $this->db_prefix2_colname = "a3";
        $this->db_country_colname = "country";
    }

// Look in file or database
    function LookUp() {
        if ($this->UseDB) {
            /*
               * The Fastest Way is to import the CSV file in your database and to
               * set UseDB to true !
               * I use MySQL but feel free to use your database functions ;)
               */

$query = "SELECT " . $this->db_country_colname . " FROM " . $this->db_tablename . " WHERE " . $this->_IPn . ">=" . $this->db_ip_from_colname . " AND " . $this->_IPn . "<=" . $this->db_ip_to_colname;
            $rows = $this->database->objectListQuery($query);

$row = @ $rows[0];
            if ($row) {
                $country_colname = $this->db_country_colname;
                $this->Country = $row-> $country_colname;

return true;
            } else
                return false;

//			mysql_close($conn);

}
    }
}

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?>