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<?php
/**
* @package HikaShop for Joomla!
* @version 6.1.0
* @author hikashop.com
* @copyright (C) 2010-2025 HIKARI SOFTWARE. All rights reserved.
* @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
*/
defined('_JEXEC') or die('Restricted access');
?><?php
class hikashopVatHelper{
var $message = '';
function isValid(&$vat){
$zone_code = '';
if(!empty($vat->address_country)){
$zoneClass = hikashop_get('class.zone');
$zone = $zoneClass->get(@$vat->address_country);
$zone_code = $zone->zone_code_2;
if(empty($zone_code) || !in_array($zone_code,array('AT','BE','BG','CY','CZ','DK','EE','EL','DE','PT','GR','ES','FI','HR','HU','LU','MT','SI',
'FR','IE','IT','LV','LT','NL','PL','SK','RO','SE','XI','GB'))){
return true;
}
}
if($zone_code=='ES' && !empty($vat->address_state)){
$statezone = $zoneClass->get(@$vat->address_state);
if($statezone->zone_code_3=='GC' || $statezone->zone_code_3=='TF'){
return true;
}
}
if(is_object($vat)){
$vat_number =& $vat->address_vat;
}else{
$vat_number =& $vat;
}
if($zone_code=='GB') $zone_code = 'XI';
static $vat_check = null;
if(!isset($vat_check)){
$config = hikashop_config();
$vat_check = (int)$config->get('vat_check',2);
}
if($zone_code == 'GR') $zone_code = 'EL';
switch($vat_check){
case 1:
case 2:
$regex = $this->getRegex($vat_number);
if($regex===false){
if(is_object($vat) && !empty($vat->address_country)){
if(!empty($zone_code)){
$vat_number = $zone_code.$vat_number;
$regex = $this->getRegex($vat_number);
}
}
if($regex===false){
$app = JFactory::getApplication();
$this->message = JText::_('VAT_NOT_FOR_YOUR_COUNTRY');
if(@$_REQUEST['tmpl']=='component'){
hikashop_display($this->message,'error');
}else{
$app->enqueueMessage($this->message);
}
return false;
}
}
if(!$this->regexCheck($vat_number,$regex)){
return false;
}
$vat_number = strtoupper(str_replace(array(' ','.','-'),array('','',''),$vat_number));
$code = substr($vat_number,0, 2);
if($code == 'GR'){
$code = 'EL';
$vat_number = $code.substr($vat_number,2);
}
if($zone_code != $code){
$app = JFactory::getApplication();
$this->message = JText::sprintf('WRONG_VAT_NUMBER_COUNTRY_CODE',$code,$zone_code);
if(@$_REQUEST['tmpl']=='component'){
hikashop_display($this->message,'error');
}else{
$app->enqueueMessage($this->message);
}
return false;
}
if($vat_check==2){
return $this->onlineCheck($vat_number);
}
case 0:
default:
}
return true;
}
function regexCheck( $vat , $regex) {
if(!preg_match($regex, str_replace(array(' ','.','-'),array('','',''),$vat))){
$app = JFactory::getApplication();
$this->message = JText::_('VAT_NUMBER_NOT_VALID');
if(@$_REQUEST['tmpl']=='component'){
hikashop_display($this->message,'error');
}else{
$app->enqueueMessage($this->message);
}
return false;
}
return true;
}
function getRegex($vat){
$regex = false;
switch(strtoupper(substr(str_replace(array(' ','.','-'),array('','',''),$vat),0, 2))) {
case 'AT':
$regex = '/^(AT){0,1}U[0-9]{8}$/i';
break;
case 'BE':
$regex = '/^(BE){0,1}[0]{0,1}[0-9]{9}[0-9]{0,2}$/i';
break;
case 'BG':
$regex = '/^(BG){0,1}[0-9]{9,10}$/i';
break;
case 'CY':
$regex = '/^(CY){0,1}[0-9]{8}[A-Z]$/i';
break;
case 'CZ':
$regex = '/^(CZ){0,1}[0-9]{8,10}$/i';
break;
case 'DK':
$regex = '/^(DK){0,1}([0-9]{2}[\ ]{0,1}){3}[0-9]{2}$/i';
break;
case 'EE':
case 'DE':
case 'PT':
case 'EL':
case 'GR':
$regex = '/^(EE|EL|DE|GR|PT){0,1}[0-9]{9}$/i';
break;
case 'ES':
$regex = '/^(ES){0,1}([0-9A-Z][0-9]{7}[A-Z])|([A-Z][0-9]{7}[0-9A-Z])$/i';
break;
case 'FI':
case 'HU':
case 'LU':
case 'MT':
case 'SI':
$regex = '/^(FI|HU|LU|MT|SI){0,1}[0-9]{8}$/i';
break;
case 'FR':
$regex = '/^(FR){0,1}[0-9A-Z]{2}[\ ]{0,1}[0-9]{9}$/i';
break;
case 'GB':
$regex = '/^(GB){0,1}([1-9][0-9]{2}[\ ]{0,1}[0-9]{4}[\ ]{0,1}[0-9]{2})|([1-9][0-9]{2}[\ ]{0,1}[0-9]{4}[\ ]{0,1}[0-9]{2}[\ ]{0,1}[0-9]{3})|((GD|HA)[0-9]{3})$/i';
break;
case 'XI':
$regex = '/^(XI){0,1}([1-9][0-9]{2}[\ ]{0,1}[0-9]{4}[\ ]{0,1}[0-9]{2})|([1-9][0-9]{2}[\ ]{0,1}[0-9]{4}[\ ]{0,1}[0-9]{2}[\ ]{0,1}[0-9]{3})|((GD|HA)[0-9]{3})$/i';
break;
case 'HR':
$regex = '/^(HR){0,1}[0-9]{11}$/i';
break;
case 'IE':
$regex = '/^(IE){0,1}[0-9][0-9A-Z\+\*][0-9]{5}[A-Z][A-Z]?$/i';
break;
case 'IT':
case 'LV':
$regex = '/^(IT|LV){0,1}[0-9]{11}$/i';
break;
case 'LT':
$regex = '/^(LT){0,1}([0-9]{9}|[0-9]{12})$/i';
break;
case 'NL':
$regex = '/^(NL){0,1}[0-9]{9}B[0-9]{2}$/i';
break;
case 'PL':
case 'SK':
$regex = '/^(PL|SK){0,1}[0-9]{10}$/i';
break;
case 'RO':
$regex = '/^(RO){0,1}[1-9][0-9]{1,9}$/i';
break;
case 'SE':
$regex = '/^(SE){0,1}[0-9]{12}$/i';
break;
default:
break;
}
return $regex;
}
function onlineCheck($vat){
JPluginHelper::importPlugin('hikashop');
$app = JFactory::getApplication();
$processed = false;
$obj =& $this;
$rc = $app->triggerEvent( 'onBeforeVATOnlineCheck', array( &$obj, &$processed, &$vat) );
if( $processed) {
return $rc;
}
if (extension_loaded('soap')) {
try{
$client = new SoapClient("http://ec.europa.eu/taxation_customs/vies/checkVatService.wsdl");
$countryCode = substr($vat, 0, 2);
$result = $client->checkVat(array('countryCode' => $countryCode, 'vatNumber' => substr($vat, 2)));
if(empty($result) || !$result->valid) {
$this->message = JText::_('VAT_NUMBER_NOT_VALID');
}
}catch(SoapFault $e) {
$this->message = $e->__toString();
hikashop_writeToLog('VAT number check for '.$vat.' failed');
hikashop_writeToLog($this->message);
return true;
}catch (Exception $e) {
$this->message = $e->__toString();
hikashop_writeToLog('VAT number check for '.$vat.' failed');
hikashop_writeToLog($this->message);
return true;
}
if ($result === false || empty($result) || !$result->valid ) {
$app = JFactory::getApplication();
hikashop_writeToLog('VAT number check for '.$vat.' failed');
hikashop_writeToLog($result);
if(@$_REQUEST['tmpl']=='component'){
hikashop_display($this->message,'error');
}else{
$app->enqueueMessage($this->message);
}
return false;
}
}else{
$app = JFactory::getApplication();
$this->message = JText::_('SOAP_EXTENSION_NOT_FOUND');
if(@$_REQUEST['tmpl']=='component'){
hikashop_display($this->message,'error');
}else{
$app->enqueueMessage($this->message);
}
return false;
}
return true;
}
}