/htdocs/includes/geoip/geoipcity.inc

<?php



/* geoipcity.inc

 *

 * Copyright (C) 2004 Maxmind LLC

 *

 * 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

 */



/*

 * Changelog:

 *

 * 2005-01-13   Andrew Hill, Awarez Ltd. (http://www.awarez.net)

 *              Formatted file according to PEAR library standards.

 *              Changed inclusion of geoip.inc file to require_once, so that

 *                  this library can be used in the same script as geoip.inc.

 */



define("FULL_RECORD_LENGTH",50);



require_once 'geoip.inc';

require_once 'geoipregionvars.php';



class geoiprecord {

  var $country_code;

  var $country_code3;

  var $country_name;

  var $region;

  var $city;

  var $postal_code;

  var $latitude;

  var $longitude;

  var $area_code;

  var $dma_code;   # metro and dma code are the same. use metro_code

  var $metro_code;

}



class geoipdnsrecord {

  var $country_code;

  var $country_code3;

  var $country_name;

  var $region;

  var $regionname;

  var $city;

  var $postal_code;

  var $latitude;

  var $longitude;

  var $areacode;

  var $dmacode;

  var $isp;

  var $org;

  var $metrocode;

}



function getrecordwithdnsservice($str){

  $record = new geoipdnsrecord;

  $keyvalue = explode(";",$str);

  foreach ($keyvalue as $keyvalue2){

    list($key,$value) = explode("=",$keyvalue2);

    if ($key == "co"){

      $record->country_code = $value;

    }

    if ($key == "ci"){

      $record->city = $value;

    }

    if ($key == "re"){

      $record->region = $value;

    }

    if ($key == "ac"){

      $record->areacode = $value;

    }

    if ($key == "dm" || $key == "me" ){

      $record->dmacode   = $value;

      $record->metrocode = $value;

    }

    if ($key == "is"){

      $record->isp = $value;

    }

    if ($key == "or"){

      $record->org = $value;

    }

    if ($key == "zi"){

      $record->postal_code = $value;

    }

    if ($key == "la"){

      $record->latitude = $value;

    }

    if ($key == "lo"){

      $record->longitude = $value;

    }

  }

  $number = $GLOBALS['GEOIP_COUNTRY_CODE_TO_NUMBER'][$record->country_code];

  $record->country_code3 = $GLOBALS['GEOIP_COUNTRY_CODES3'][$number];

  $record->country_name = $GLOBALS['GEOIP_COUNTRY_NAMES'][$number];

  if ($record->region != "") {

    if (($record->country_code == "US") || ($record->country_code == "CA")){

      $record->regionname = $GLOBALS['ISO'][$record->country_code][$record->region];

    } else {

      $record->regionname = $GLOBALS['FIPS'][$record->country_code][$record->region];

    }

  }

  return $record;

}



function _get_record($gi,$ipnum){

  $seek_country = _geoip_seek_country($gi,$ipnum);

  if ($seek_country == $gi->databaseSegments) {

    return NULL;

  }

  $record_pointer = $seek_country + (2 * $gi->record_length - 1) * $gi->databaseSegments;

  

  if ($gi->flags & GEOIP_MEMORY_CACHE) {

    $record_buf = substr($gi->memory_buffer,$record_pointer,FULL_RECORD_LENGTH);

  } elseif ($gi->flags & GEOIP_SHARED_MEMORY){

    $record_buf = @shmop_read($gi->shmid,$record_pointer,FULL_RECORD_LENGTH);

  } else {

    fseek($gi->filehandle, $record_pointer, SEEK_SET);

    $record_buf = fread($gi->filehandle,FULL_RECORD_LENGTH);

  }

  $record = new geoiprecord;

  $record_buf_pos = 0;

  $char = ord(substr($record_buf,$record_buf_pos,1));

    $record->country_code = $gi->GEOIP_COUNTRY_CODES[$char];

    $record->country_code3 = $gi->GEOIP_COUNTRY_CODES3[$char];

    $record->country_name = $gi->GEOIP_COUNTRY_NAMES[$char];

  $record_buf_pos++;

  $str_length = 0;

    // Get region

  $char = ord(substr($record_buf,$record_buf_pos+$str_length,1));

  while ($char != 0){

    $str_length++;

    $char = ord(substr($record_buf,$record_buf_pos+$str_length,1));

  }

  if ($str_length > 0){

    $record->region = substr($record_buf,$record_buf_pos,$str_length);

  }

  $record_buf_pos += $str_length + 1;

  $str_length = 0;

    // Get city

  $char = ord(substr($record_buf,$record_buf_pos+$str_length,1));

  while ($char != 0){

    $str_length++;

    $char = ord(substr($record_buf,$record_buf_pos+$str_length,1));

  }

  if ($str_length > 0){

    $record->city = substr($record_buf,$record_buf_pos,$str_length);

  }

  $record_buf_pos += $str_length + 1;

  $str_length = 0;

    // Get postal code

  $char = ord(substr($record_buf,$record_buf_pos+$str_length,1));

  while ($char != 0){

    $str_length++;

    $char = ord(substr($record_buf,$record_buf_pos+$str_length,1));

  }

  if ($str_length > 0){

    $record->postal_code = substr($record_buf,$record_buf_pos,$str_length);

  }

  $record_buf_pos += $str_length + 1;

  $str_length = 0;

    // Get latitude and longitude

  $latitude = 0;

  $longitude = 0;

  for ($j = 0;$j < 3; ++$j){

    $char = ord(substr($record_buf,$record_buf_pos++,1));

    $latitude += ($char << ($j * 8));

  }

  $record->latitude = ($latitude/10000) - 180;

  for ($j = 0;$j < 3; ++$j){

    $char = ord(substr($record_buf,$record_buf_pos++,1));

    $longitude += ($char << ($j * 8));

  }

  $record->longitude = ($longitude/10000) - 180;

  if (GEOIP_CITY_EDITION_REV1 == $gi->databaseType){

    $metroarea_combo = 0;

    if ($record->country_code == "US"){

      for ($j = 0;$j < 3;++$j){

        $char = ord(substr($record_buf,$record_buf_pos++,1));

        $metroarea_combo += ($char << ($j * 8));

      }

      $record->metro_code = $record->dma_code = floor($metroarea_combo/1000);

      $record->area_code = $metroarea_combo%1000;

    }

  }

  return $record;

}



function GeoIP_record_by_addr ($gi,$addr){

  if ($addr == NULL){

     return 0;

  }

  $ipnum = ip2long($addr);

  return _get_record($gi, $ipnum);

}



?>