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hostip.php
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hostip.php
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<?php
//
// Open Web Analytics - An Open Source Web Analytics Framework
//
// Copyright 2006 Peter Adams. All rights reserved.
//
// Licensed under GPL v2.0 http://www.gnu.org/copyleft/gpl.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// $Id$
//
require_once(OWA_BASE_DIR.'/owa_location.php');
if (!class_exists('owa_http')) {
//owa_coreAPI::debug('owa_http already defined');
require_once(OWA_BASE_DIR.'/owa_httpRequest.php');
}
/**
* Geolocation plugin for Hostip.info web service
*
* See http://www.hostip.info/use.html for API documentation
*
* @author Peter Adams <peter@openwebanalytics.com>
* @copyright Copyright © 2006 Peter Adams <peter@openwebanalytics.com>
* @license http://www.gnu.org/copyleft/gpl.html GPL v2.0
* @category owa
* @package owa
* @version $Revision$
* @since owa 1.0.0
*/
class owa_hostip extends owa_location {
/**
* URL template for REST based web service
*
* @var unknown_type
*/
var $ws_url = "http://api.hostip.info/get_html.php?ip=%s&position=true";
/**
* Constructor
*
* @return owa_hostip
*/
function __construct() {
return parent::__construct();
}
/**
* Fetches the location from the hostip.info web service
*
* @param string $ip
*/
function get_location($location_map) {
$city = '';
$state = '';
$country = '';
$country_code = '';
$latitude = '';
$longitude = '';
// check to see if ip is in map
if ( array_key_exists('ip_address',$location_map)
&& ! empty( $location_map['ip_address'] )
&& empty( $location_map['country'] ) ) {
// check to see if ip is valid and not a private address
if ( filter_var( $location_map['ip_address'],
FILTER_VALIDATE_IP,
FILTER_FLAG_IPV4 |
FILTER_FLAG_NO_PRIV_RANGE ) ) {
// create crawler
$crawler = new owa_http;
$crawler->read_timeout = owa_coreAPI::getSetting('base','ws_timeout');
// hit web service
$crawler->fetch(sprintf($this->ws_url, $location_map['ip_address']));
owa_coreAPI::debug(sprintf("HostIp web service response code: %s", $crawler->crawler->response_code));
$location = $crawler->crawler->results;
// replace delimiter
$location = str_replace("\n", "|", $location);
// convert string to array
$loc_array = explode("|", $location);
$result = array();
// convert array to multi dimensional array
foreach ($loc_array as $k => $v) {
if (!empty($v)) {
list($name, $value) = explode(":", $v, 2);
$result[$name] = $value;
}
}
// parse the city line of response
if ( isset( $result['City'] ) && ! empty( $result['City'] ) ) {
// lowercase
$result['City'] = strtolower($result['City']);
// explode into array
$city_array = explode(',', $result['City']);
// city name is always first
$city = $city_array[0];
// if there is a second element then it's a state
if (isset($city_array[1])) {
$state = $city_array[1];
}
}
// parse country line of response
if ( isset( $result['Country'] ) && ! empty( $result['Country'] ) ) {
//lowercase
$result['Country'] = strtolower( $result['Country'] );
// set country
$country_parts = explode('(', trim( $result['Country'] ) );
$country = $country_parts[0];
// if there is a second element then it's a country code.
if ( isset($country_parts[1] ) ) {
$country_code = substr($country_parts[1],0,-1);
}
// debug
owa_coreAPI::debug('Parse of Hostip country string: '.$result['Country'].' c: '. $country.' cc: '.$country_code);
}
// set latitude
if ( isset( $result['Latitude'] ) && ! empty( $result['Latitude'] ) ) {
$latitude = $result['Latitude'];
}
// set longitude
if ( isset( $result['Longitude'] ) && ! empty( $result['Longitude'] ) ) {
$longitude = $result['Longitude'];
}
}
// fail safe checks for empty, unknown or private adddress labels
// check to make sure values are not "private address" contain "unknown" or "xx"
if ( empty($city) || strpos( $city, 'private' ) || strpos( $city, 'unknown') ) {
$city = '(not set)';
}
// check state
if ( empty($state) || strpos( $state, 'private' ) || strpos( $state, 'unknown') ) {
$state = '(not set)';
}
// check country
if ( empty( $country )
|| strpos( $country, 'unknown' )
|| strpos( $country, 'private' )
) {
$country = '(not set)';
}
// check country code
if ( empty( $country_code )
|| strpos( $country_code, 'xx' )
|| strpos( $country_code, 'unknown' )
|| strpos( $country_code, 'private' )
) {
$country_code = '(not set)';
}
$location_map['city'] = strtolower(trim($city));
$location_map['state'] = strtolower(trim($state));
$location_map['country'] = strtolower(trim($country));
$location_map['country_code'] = strtoupper(trim($country_code));
$location_map['latitude'] = trim($latitude);
$location_map['longitude'] = trim($longitude);
// log headers if status is not a 200
if ( isset( $crawler->response_code ) && ! strpos( $crawler->response_code, '200' ) ) {
owa_coreAPI::debug(sprintf("HostIp web service response headers: %s", print_r($crawler->crawler->headers, true)));
}
}
return $location_map;
}
}
?>