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{{{
#!rst
==============================
ip based geographic lookups...
==============================
-----------------
Module: mod_geoip
-----------------
.. contents:: Table of Contents
Requirements
============
:Packages: GeoIP C API & Library (http://www.maxmind.com/download/geoip/api/c/)
Overview
========
mod_geoip is a module for fast ip/location lookups. It uses MaxMind GeoIP /
GeoCity databases.
If the ip was found in the database the module sets the appropriate
environments variables to the request, thus making other modules/fcgi be
informed.
.. note::
Currently only country/city databases are supported because they have a free
version that i can test.
Configuration Options
========================
mod_geoip uses two configuration options.
1) geoip.db-filename = <path to the geoip or geocity database>
2) geoip.memory-cache = <enable|disable> : default disabled
if enabled, mod_geoip will load the database binary file to
memory for very fast lookups. the only penalty is memory usage.
.. note::
mod_geoip will determine the database type automatically so if you enter
GeoCity databse path it will load GeoCity Env.
Environment
===========
Every database sets it's own ENV:
GeoIP (Country):
----------------
::
GEOIP_COUNTRY_CODE
GEOIP_COUNTRY_CODE3
GEOIP_COUNTRY_NAME
GeoCity:
--------
::
GEOIP_COUNTRY_CODE
GEOIP_COUNTRY_CODE3
GEOIP_COUNTRY_NAME
GEOIP_CITY_NAME
GEOIP_CITY_POSTAL_CODE
GEOIP_CITY_LATITUDE
GEOIP_CITY_LONG_LATITUDE
GEOIP_CITY_DMA_CODE
GEOIP_CITY_AREA_CODE
Examples
========
mod_geoip + php
---------------
when using fastcgi (not only php) you can access mod_geoip env and do as you
please. this example just prints all mod_geoip envs to the client, html.
Config-file ::
geoip.db-filename = "/your-geoip-db-path/GeoCityLite.dat"
geoip.memory-cache = "enable"
index.php ::
<?php
$country_code = $_SERVER['GEOIP_COUNTRY_CODE'];
$country_code3 = $_SERVER['GEOIP_COUNTRY_CODE3'];
$country_name = $_SERVER['GEOIP_COUNTRY_NAME'];
$city_region = $_SERVER['GEOIP_CITY_REGION'];
$city_name = $_SERVER['GEOIP_CITY_NAME'];
$city_postal_code = $_SERVER['GEOIP_CITY_POSTAL_CODE'];
$city_latitude = $_SERVER['GEOIP_CITY_LATITUDE'];
$city_long_latitude = $_SERVER['GEOIP_CITY_LONG_LATITUDE'];
$city_dma_code = $_SERVER['GEOIP_CITY_DMA_CODE'];
$city_area_code = $_SERVER['GEOIP_CITY_AREA_CODE'];
echo "<html>\n<body>\n\t<br>\n";
echo 'Country Code: ' . $country_code . '<br>';
echo 'Country Code 3: ' . $country_code3 . '<br>';
echo 'Country Name: ' . $country_name . '<br>';
echo '<br>';
echo 'City Region: ' . $city_region . '<br>';
echo 'City Name: ' . $city_name . '<br>';
echo 'City Postal Code: ' . $city_postal_code . '<br>';
echo 'City Latitude: ' . $city_latitude . '<br>';
echo 'City Long Latitude: ' . $city_long_latitude . '<br>';
echo 'City DMA Code: ' . $city_dma_code . '<br>';
echo 'City Area Code: ' . $city_area_code . '<br>';
echo "</html>\n</body>";
?>
country based redirect
----------------------
Config-file ::
$HTTP["host"] =~ "www.domain.com" {
url.rewrite = ( "" => "/redirect.php")
}
redirect.php ::
<?php
$country_code = $_SERVER['GEOIP_COUNTRY_CODE'];
header ('Location: http://' . $country_code . '.domain.com/');
?>
.. note::
Currently it is not possible to redirect based on mod_geoip directly in
lighttpd config file. But i believe with the relase of lighttpd mod_magnet
it would be. (mod_magnet will be available in lighttpd 1.4.12+)
Downloads
=========
mod_geoip.c (http://trac.lighttpd.net/trac/attachment/wiki/Docs/ModGeoip/mod_geoip.c)
}}}
|
