array('Notify url', 'html', ''),
'merchant_id' => array('Merchant ID', 'input'),
'merchant_key' => array('Merchant KEY', 'input'),
'currency' => array('Currency', 'list',array(
'USD' => 'USD',
'GBP' => 'GBP'
)),
'sandbox' => array('Sandbox', 'boolean','0'),
'server_to_server' => array('Server to Server', 'boolean','0'),
'charge_and_ship' => array('Charge And Ship', 'boolean','0'),
'debug' => array('DEBUG', 'boolean','0'),
'verified_status' => array('VERIFIED_STATUS', 'orderstatus'),
'invalid_status' => array('INVALID_STATUS', 'orderstatus')
);
function __construct(&$subject, $config){
$httpsHikashop = str_replace('http://','https://', HIKASHOP_LIVE);
$this->pluginConfig['notif_url'][2] = $httpsHikashop.'index.php?option=com_hikashop&ctrl=checkout&task=notify¬if_payment=googlecheckout&tmpl=component';
return parent::__construct($subject, $config);
}
function onAfterOrderConfirm(&$order,&$methods,$method_id) {
parent::onAfterOrderConfirm($order, $methods, $method_id);
$httpsHikashop = str_replace('http://','https://', HIKASHOP_LIVE);
$notify_url = $httpsHikashop.'index.php?option=com_hikashop&ctrl=checkout&task=notify¬if_payment=googlecheckout&tmpl=component&lang='.$this->locale;
$return_url = $httpsHikashop.'index.php?option=com_hikashop&ctrl=checkout&task=notify¬if_payment=googlecheckout&tmpl=component&user_return=1&lang='.$this->locale;
$price = round($order->cart->full_total->prices[0]->price_value_with_tax,(int)$this->currency->currency_locale['int_frac_digits']);
$data = '<'.'?xml version="1.0" encoding="UTF-8"?'.'>'."\n";
$data .= '';
$config =& hikashop_config();
$group = $config->get('group_options',0);
foreach($order->cart->products as $product){
if($group && $product->order_product_option_parent_id) continue;
$data .= '- Order #'.$order->order_id.' - '.$product->order_product_name.''.$product->order_product_price.''.$product->order_product_quantity.'
';
}
if(isset($order->order_discount_code)) $data .= '- Order #'.$order->order_id.' - '.JText::_('HIKASHOP_COUPON').'-'.$order->order_discount_price.'1
';
$shipping_price = 0.0;
if(!empty($order->order_shipping_price)) {
$shipping_price = $order->order_shipping_price;
if(!empty($order->order_shipping_tax))
$shipping_price -= $order->order_shipping_tax;
}
if($shipping_price > 0 )
$data .= '- Order #'.$order->order_id.' - '.JText::_('HIKASHOP_SHIPPING').' '.$shipping_price.'1
';
if($order->order_payment_price > 0 ) $data .= '- Order #'.$order->order_id.' - '.JText::_('HIKASHOP_PAYMENT').' '.$order->order_payment_price.'1
';
$tax = $order->cart->full_total->prices[0]->price_value_with_tax - $order->cart->full_total->prices[0]->price_value;
if($tax>0) $data .= '- Order #'.$order->order_id.' - '.JText::_('TAXES').' '.$tax.'1
';
$data .= '';
if( $this->payment_params->debug ) { echo 'XML Sent to Google'.htmlentities($data).'
'; }
if( $this->payment_params->server_to_server == true ) {
$ret =& $this->webCall('checkout', $data, $this->payment_params);
if( $ret !== false ) {
if( preg_match('#(.*)#iU', $ret, $redirect) ) {
$redirect = html_entity_decode(trim($redirect[1]));
$this->app->redirect($redirect);
}
if( $this->payment_params->debug ) { echo 'Google call return'.htmlentities($ret).'
'; }
}
$url = '';
$vars = '';
$this->app->enqueueMessage('Google Checkout error. Please log-in to the backend of Google Checkout to see the log.');
} else {
$vars = array(
'signature' => base64_encode($this->signature($data, $this->payment_params->merchant_key)),
'cart' => base64_encode($data)
);
if( $this->payment_params->sandbox ) {
$url = 'https://sandbox.google.com/checkout/api/checkout/v2/checkout/Merchant/';
} else {
$url = 'https://checkout.google.com/api/checkout/v2/checkout/Merchant/';
}
$url .= $this->payment_params->merchant_id;
}
$this->url = $url;
$this->vars = $vars;
return $this->showPage('end');
}
function onPaymentNotification(&$statuses){
$response = isset($HTTP_RAW_POST_DATA)?$HTTP_RAW_POST_DATA:file_get_contents('php://input');
if (get_magic_quotes_gpc()) { $response = stripslashes($response); }
$vars =& $this->parseResponse($response);
$order_id = (int)$vars['order-num'];
$dbOrder = $this->getOrder($order_id);
if(empty($dbOrder)){
echo "Could not load any order for your notification ".$order_id;
header('HTTP/1.0 400 Bad Request');
exit;
}
$this->loadPaymentParams($dbOrder);
if(empty($this->payment_params))
return false;
$this->loadOrderData($dbOrder);
if($this->payment_params->debug){
echo print_r($vars,true)."\n\n\n";
echo print_r($dbOrder,true)."\n\n\n";
}
$compare_mer_id = '';
$compare_mer_key = '';
if(isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) {
$compare_mer_id = $_SERVER['PHP_AUTH_USER'];
$compare_mer_key = $_SERVER['PHP_AUTH_PW'];
}
if( $compare_mer_id != $this->payment_params->merchant_id || $compare_mer_key != $this->payment_params->merchant_key ) {
header('HTTP/1.1 401 Unauthorized');
return false;
}
if( in_array($vars['state'], array('REVIEWING','CHARGING')) || empty($vars['state']) || in_array($vars['type'], array('risk-information-notification','charge-amount-notification')) ) {
$this->sendAck($vars);
exit;
}
if($vars['state'] == 'CHARGEABLE') {
if( $vars['type'] != 'authorization-amount-notification' ) {
$this->sendAck($vars);
exit;
}
$data = '<'.'?xml version="1.0" encoding="UTF-8"?'.'>'."\n";
if( $this->payment_params->charge_and_ship ) {
$data .= '';
} else {
$data .= '';
}
if( $vars['currency'] != '' ) {
$data .= ''.$vars['amount'].'';
}
if( $this->payment_params->charge_and_ship ) {
$data .= '';
} else {
$data .= '';
}
$serial = $vars['serial'];
$ret =& $this->webCall('request', $data, $this->payment_params);
$vars =& $this->parseResponse($ret);
$vars['serial'] = $serial;
if( $vars['type'] == 'request-received' ) {
$this->sendAck($vars);
exit;
}
}
if( $dbOrder->order_status == $this->payment_params->verified_status || $dbOrder->order_status == $this->payment_params->invalid_status ) {
$this->sendAck($vars);
exit;
}
$url = HIKASHOP_LIVE.'administrator/index.php?option=com_hikashop&ctrl=order&task=edit&order_id='.$order_id;
$order_text = "\r\n".JText::sprintf('NOTIFICATION_OF_ORDER_ON_WEBSITE',$dbOrder->order_number,HIKASHOP_LIVE);
$order_text .= "\r\n".str_replace('
',"\r\n",JText::sprintf('ACCESS_ORDER_WITH_LINK',$url));
$history = new stdClass();
$history->notified = 0;
$history->amount = $vars['amount']. $vars['currency'];
$history->data = var_export($vars, true) . "\r\n" . ob_get_clean();
if($vars['state'] == 'CHARGED') {
$order_status = $this->payment_params->verified_status;
$history->notified = 1;
$payment_status = 'confirmed';
} else {
$order_status = $this->payment_params->invalid_status;
$payment_status = 'cancelled';
$order_text = 'Google Checkout State: ' . $vars['state'] ."\r\n". $order_text;
}
$mail_status = $statuses[order_status];
$email = new stdClass();
$email->subject = JText::sprintf('PAYMENT_NOTIFICATION_FOR_ORDER','GOOGLECHECKOUT',$payment_status,$dbOrder->order_number);
$email->body = str_replace('
',"\r\n",JText::sprintf('PAYMENT_NOTIFICATION_STATUS','GOOGLECHECKOUT',$payment_status)).' '.JText::sprintf('ORDER_STATUS_CHANGED',$mail_status)."\r\n\r\n".$order_text;
$this->modifyOrder($order_id, $order_status, $history, $email);
$this->sendAck($vars);
exit;
}
function onPaymentConfigurationSave(&$element){
if( empty($element->payment_params->currency) ) {
$element->payment_params->currency = $this->accepted_currencies[0];
}
return true;
}
function getPaymentDefaultValues(&$element) {
$element->payment_name='Google Checkout';
$element->payment_description='You can pay by credit card using this payment method';
$element->payment_images='MasterCard,VISA,Credit_card,American_Express';
$element->payment_params->login='';
$element->payment_params->password='';
$element->payment_params->currency = $this->accepted_currencies[0];
$element->payment_params->security = false;
$element->payment_params->pending_status='created';
$element->payment_params->verified_status='confirmed';
}
function webCall($type, &$data, $params) {
if( $type == 'request' ) {
$called_action = 'request';
} else if( $type == 'checkout' ) {
if( $params->server_to_server ) {
$called_action = 'merchantCheckout';
} else {
$called_action = 'checkout';
}
}
if( $params->sandbox ) {
$url = 'https://sandbox.google.com/checkout/api/checkout/v2/'.$called_action.'/Merchant/';
} else {
$url = 'https://checkout.google.com/api/checkout/v2/'.$called_action.'/Merchant/';
}
$url .= $params->merchant_id;
$headers = array(
'Authorization: Basic '.base64_encode($params->merchant_id.':'.$params->merchant_key),
'Content-Type: application/xml; charset=UTF-8',
'Accept: application/xml; charset=UTF-8',
'User-Agent: HikaShop Google Checkout Plugin'
);
$session = curl_init($url);
curl_setopt($session, CURLOPT_POST, true);
curl_setopt($session, CURLOPT_HTTPHEADER, $headers);
curl_setopt($session, CURLOPT_POSTFIELDS, $data);
curl_setopt($session, CURLOPT_HEADER, true);
curl_setopt($session, CURLOPT_RETURNTRANSFER, true);
curl_setopt($session, CURLOPT_SSL_VERIFYPEER, false);
$ret = curl_exec($session);
curl_close($session);
return $ret;
}
function parseResponse(&$xml) {
$vars = array(
'currency' => '',
'amount' => 0,
'serial' => '',
'order-num' => '',
'state' => ''
);
if( preg_match('#<(.*) xmlns="http://checkout.google.com/schema/2" serial-number=#iU', $xml, $ggreg) ) {
$vars['type'] = trim($ggreg[1]);
}
if( preg_match('#serial-number="(.*)"#iU', $xml, $ggreg) ) {
$vars['serial'] = $ggreg[1];
}
if( preg_match('/.* #(.*)<\/item-name>/iU', $xml, $ggreg) ) {
$vars['order-num'] = trim($ggreg[1]);
}
if( preg_match('#(.*)#iU', $xml, $ggreg) ) {
$vars['google-order'] = trim($ggreg[1]);
}
if( preg_match('#(.*)#iU', $xml, $ggreg) ) {
$vars['currency'] = $ggreg[1];
$vars['amount'] = (int)$ggreg[2];
}
if( preg_match('#(.*)#iU', $xml, $ggreg) ) {
$vars['state'] = trim($ggreg[1]);
} else if( preg_match('#(.*)#iU', $xml, $ggreg) ) {
$vars['state'] = trim($ggreg[1]);
}
return $vars;
}
function sendAck(&$vars) {
$acknowledgment = ' $blocksize) {
$key = pack('H*', sha1($key));
}
$key = str_pad($key, $blocksize, chr(0x00));
$ipad = str_repeat(chr(0x36), $blocksize);
$opad = str_repeat(chr(0x5c), $blocksize);
$hmac = pack(
'H*', sha1(
($key^$opad).pack(
'H*', sha1(
($key^$ipad).$data
)
)
)
);
return $hmac;
}
}