source

<?php

/**
 * GEOLOCATION HOOK FOR WHMCS
 * This hook will automatically setup currency and language
 * for nonlogged users in your clientarea.
 *
 *
 * For more information, read the whole article here:
 * http://blog.whmcs.com
 *
 *
 * @author  ModulesGarden
 * @link    http://www.modulesgarden.com
 */

$country_to_currency = array(
    'default' => 'USD',
    'US'      => 'USD',
    'id'      => 'IDR',
    // NOTE: You can add more below
);

$country_to_language = array(
    'default' => 'english',
    'US'    => 'english',
    'id'    => 'indonesia'
    // NOTE: You can add more below
);

$language_to_template = array(
    'english'  => 'default',
    'indonesia'  => 'portal',
    'default' => 'default'

    // NOTE: You can add more below
);

$allowed_scripts = array(
    'p1.php',
    'index.php',
    'clientarea.php',
    'cart.php',
    'knowledgebase.php',
    'announcements.php',
    'serverstatus.php',
    'affiliates.php',
    'contact.php'
    // NOTE: You can add more below
);



/**
* FUNCTION geolocation_getCurrencyId
* This function will return currency id for specific code.
*
* @param  string
* @return int
*/
function geolocation_getCurrencyId($currency) {
    $q = mysql_query('SELECT id FROM tblcurrencies WHERE code = "'.mysql_escape_string($currency).'"'); // escape string just in case
    $r = mysql_fetch_assoc($q);
    mysql_free_result($q);

    if(isset($r['id'])) {
        return $r['id'];
    }
}

$script_path        = substr($_SERVER['SCRIPT_NAME'], strrpos($_SERVER['SCRIPT_NAME'], DIRECTORY_SEPARATOR)+1);
$current_template   = $_SESSION['Template'];
$_language          = $_SESSION['Language'];


/**
 * Main Geolocation Script
 *
 * NOT run script
 * - if we are in adminarea
 * - if already setup for this session
 * - if user is logged in
 * - NEW: allowing to run the hook only for specific scripts (defined above)
 */

if(in_array($script_path, $allowed_scripts) && strpos($_SERVER['REQUEST_URI'], $customadminpath) === false && $_SESSION['geolocation_setup'] !== true && $_SESSION['uid'] == false) {
    $_SESSION['geolocation_setup'] = true; // prevent from redirecting back again in this session


    /**
     * Get Country using external service - Hostip.info example
     * NOTE: You can handle this part with any other method.
     *
    $current_country = '';
    $ret = file_get_contents("http://api.hostip.info/get_json.php?ip=".$_SERVER['REMOTE_ADDR']); // this can be called also via cURL
    $parsed_json = @json_decode($ret,true);
    if(isset($parsed_json['country_code'])) {
        $current_country = $parsed_json['country_code'];
    }
     *
     */

    /**
     * NEW: Get Country using external service - Maxmind GeoLite Example
     * http://dev.maxmind.com/geoip/geolite
     * NOTE: You can handle this part with any other method.
     */
    include "geoip.inc";
    $gi = geoip_open(dirname(__FILE__).DIRECTORY_SEPARATOR."GeoIP.dat", GEOIP_STANDARD);
    $current_country = geoip_country_code_by_addr($gi, $_SERVER['REMOTE_ADDR']);
    geoip_close($gi);

    /**
     * Get language, currency and currency ID in order to setup the right values in the system
     */
    $currency = $current_country != '' && isset($country_to_currency[$current_country])
                ? $country_to_currency[$current_country]
                : $country_to_currency['default'];

    $currency_id = geolocation_getCurrencyId($currency);

    $_language = $current_country != '' && isset($country_to_language[$current_country])
                ? $country_to_language[$current_country]
                : $country_to_language['default'];



    /**
     * Setup Currency Session
     * NOTE: You can remove/disable this part if not needed.
     */
    if($currency_id && (!isset($_SESSION['currency']) || $_SESSION['currency'] != $currency)) {
        $_SESSION['currency'] = $_SESSION['switched_currency'] = $currency_id;
    }


    /**
     * Setting up template for redirect
     * NOTE: You can remove/disable this part if not needed.
     */
    $systpl = isset($language_to_template[$_language])
                ? $language_to_template[$_language]
                : $language_to_template['default'];

    /**
     * Setup URL Redirection to Switch Language
     * NOTE: You can remove/disable this part if not needed.
     */

    if(!isset($_SESSION['Language']) || $_SESSION['Language'] != $_language) {
        if(!empty($_language) && !empty($systpl)){
            $location = '?language='.$_language.'&systpl='.$systpl;

            // below some protection against duplicating the same parameters in the URL of redirect
            parse_str(html_entity_decode($_SERVER['QUERY_STRING']), $query_string);

            if(isset($query_string['language'])) $query_string['language'] = null;
            if(isset($query_string['systpl']))   $query_string['systpl'] = null;

            $new_query_string = !empty($query_string) ? http_build_query($query_string) : '';

            if($new_query_string != '')
                $location .= '&'.$new_query_string;

            ob_clean();
            header('location: '.$location);
            die();
        }
    }
}

/**
 * Change template if
 * - current template is NOT correct for this language
 * - current template is NOT default, if no language was chosen
 *
 * Special thanks to Shalom Burla from Star Network & Promotion LTD :)
 * NOTE: You can remove/disable this part if not needed.
 */

$systpl = isset($language_to_template[$_language])
            ? $language_to_template[$_language]
            : $language_to_template['default'];



if(in_array($script_path, $allowed_scripts) && strpos($_SERVER['REQUEST_URI'], $customadminpath) === false && $current_template != $systpl && !empty($systpl)) {
    if($systpl != $_GET['systpl']){
        $location = '?systpl='.$systpl;

        parse_str(html_entity_decode($_SERVER['QUERY_STRING']), $query_string);

        if(isset($query_string['systpl']))   $query_string['systpl'] = null;

        $new_query_string = !empty($query_string) ? http_build_query($query_string) : '';

        if($new_query_string != '')
            $location .= '&'.$new_query_string;

        ob_clean();
        header('location: '.$location);
        die();
    }
}
/**
 * Preventing from switching currency by user
 * NOTE: You can remove/disable this part if not needed.
 */
if(isset($_SESSION['switched_currency']) && $_SESSION['switched_currency'] != $_SESSION['currency'] ) {
    $_SESSION['currency'] = $_SESSION['switched_currency'];
}

?>