public function confirm()
{
// Global vars
$kccPath = Configuration::get(KCC_PATH);
$kccLogPath = Configuration::get(KCC_LOG);
// Order States
$order_state_completed = (int) Configuration::get('PS_OS_PAYMENT');
$order_state_failed = (int) Configuration::get('PS_OS_ERROR');
$order_state_waiting_payment = (int) Configuration::get(KCC_WAITING_PAYMENT_STATE);
// TBK Vars
$tbk_session_id = isset($_POST['TBK_ID_SESION']) ? trim($_POST['TBK_ID_SESION']) : null;
$tbk_order_id = isset($_POST['TBK_ORDEN_COMPRA']) ? trim($_POST['TBK_ORDEN_COMPRA']) : null;
$tbk_response = isset($_POST['TBK_RESPUESTA']) ? trim($_POST['TBK_RESPUESTA']) : null;
$tbk_total_amount = isset($_POST['TBK_MONTO']) ? trim($_POST['TBK_MONTO']) : null;
// Log helper closure
$logger = function ($message) {
$today = date('Y-m-d');
$now = date('Y-m-d H:i:s');
$name = "validation.{$today}.log";
$path = _PS_MODULE_DIR_ . 'webpaykcc/logs/';
$logPath = Configuration::get(KCC_LOG);
if ($logPath) {
$path = $logPath;
}
$logFile = $path . $name;
$log = fopen($logFile, 'a');
$text = "{$now} : {$message}\n";
fwrite($log, $text);
fclose($log);
};
// Helper closure
// for the total amount
$getOrderTotalAmount = function ($cart) {
$order_total = 0;
if ($cart) {
$order_total = Tools::ps_round(floatval($cart->getOrderTotal(true, Cart::BOTH)), 0);
}
return $order_total;
};
// Default Values
$result = KCC_REJECTED_RESULT;
$order = null;
$cart = null;
$isDone = false;
// Start Validation Process
$logger("Start Validation");
$logger("#################");
// Log Params Received
if (count($_POST) > 0) {
$logger("Params Received");
foreach ($_POST as $key => $value) {
$logger("{$key} => {$value}");
}
} else {
$logger("Params Not Found");
}
// Get cart data
if (isset($tbk_order_id)) {
try {
$order = new Order(Order::getOrderByCartId($tbk_order_id));
$cart = Cart::getCartByOrderId($order->id);
} catch (Exception $e) {
$logger($e->getMessage());
}
} else {
$logger("TBK_ORDEN_COMPRA Not Set");
}
// First we must check the tbk_response.
if (isset($tbk_response)) {
if ($tbk_response == KCC_OK_RESPONSE) {
$logger("Response is OK");
// Both order and cart must exist
if (isset($order->id) && isset($cart->id)) {
$logger("Order Exists");
// Now we check the current state of the order and cart
if ($order->current_state == $order_state_waiting_payment) {
$logger("Order is Waiting Payment");
// The amounts must be equal
$total_order_amount = $getOrderTotalAmount($cart);
// Needed 00 at the end
$total_order_amount_formatted = $total_order_amount . '00';
if ($total_order_amount_formatted == $tbk_total_amount) {
$logger("Amounts are Equal");
// Now check the session log file
if (isset($tbk_session_id)) {
// The log file was generated in front controller
$tbk_log_path = getKccLog($kccLogPath, $tbk_session_id);
if (file_exists($tbk_log_path)) {
// Open the log file
$tbk_log = fopen($tbk_log_path, 'r');
// Put everything inside in a string
$tbk_log_string = fgets($tbk_log);
fclose($tbk_log);
// $tbk_details is an array
// separated by semicolon
$tbk_details = explode(';', $tbk_log_string);
// Details should exist
if (isset($tbk_details) && isset($tbk_details[0]) && isset($tbk_details[1])) {
$logger("Session File Exists");
$tbk_session_total_amount = $tbk_details[0];
$tbk_session_order_id = $tbk_details[1];
// Session values and POST values must be equal
if ($tbk_session_total_amount == $tbk_total_amount && $tbk_session_order_id == $tbk_order_id) {
$logger("Session Values are Correct");
// Check KCC Path
if (!(is_null($kccPath) || $kccPath == '')) {
// The cache file is needed for validation
$tbk_cache_path = $tbk_log_path . '.cache';
$tbk_cache = fopen($tbk_cache_path, 'w+');
// Write all the vars to cache
foreach ($_POST as $tbk_key => $tbk_value) {
fwrite($tbk_cache, "{$tbk_key}={$tbk_value}&");
}
fclose($tbk_cache);
$logger("Cache file created");
// Execute the CGI Check Script
$logger("Start CGI Verification Process");
if (KCC_USE_EXEC) {
$logger("Verify Using Exec");
// Store the result in $tbk_result
// executing the script with the log cache file
// as param
$command = $kccPath . KCC_CGI_CHECK . ' ' . $tbk_cache_path;
exec($command, $tbk_result);
} else {
// Use perl
// TODO: Implement Perl Someday
$logger("Verify Using Perl");
}
// Check the result
$logger("Checking the CGI Result");
if (isset($tbk_result[0]) && $tbk_result[0] == KCC_VERIFICATION_OK) {
// Verification OK
// Change the order status
$logger("Transbank Verification Complete");
$current_state = $order->current_state;
try {
$order->setCurrentState($order_state_completed);
$logger("Order State Was Changed From ({$current_state}) to ({$order->current_state})");
} catch (Exception $e) {
$logger($e->getMessage());
}
// Last Check
if ($order->current_state == $order_state_completed) {
$result = KCC_ACCEPTED_RESULT;
$logger("Order state is Completed");
$isDone = true;
} else {
$result = KCC_REJECTED_RESULT;
$logger("Order State is not Completed.");
}
} else {
$logger("Failed CGI Verification " . json_encode($tbk_result));
}
} else {
$logger("KCC Path not Found");
}
} else {
$logger("Session and Post Vars are different");
$logger("Session Total : {$tbk_session_total_amount}");
$logger("TBK Total: {$tbk_total_amount}");
$logger("Session Order: {$tbk_session_order_id}");
$logger("TBK Order Id: {$tbk_order_id}");
}
} else {
$logger("{$tbk_log_path} does not contains valid data");
}
} else {
$logger("{$tbk_log_path} does not exist");
}
} else {
$logger("TBK_ID_SESION not set");
}
} else {
$logger("Amounts are different " . "{$total_order_amount_formatted} != {$tbk_total_amount}");
}
} else {
$logger("Order State is not Waiting Payment ({$order_state_waiting_payment})");
$logger("Current Order State is ({$order->current_state})");
}
} else {
$logger("Order not found in DB");
}
} else {
if ($tbk_response >= -8 && $tbk_response <= -1) {
$result = KCC_ACCEPTED_RESULT;
$logger("Accepted Result, but TBK_RESPUESTA != OK (0)");
} else {
$logger("TBK_RESPUESTA has invalid value");
}
}
} else {
$logger("TBK_RESPUESTA not set");
}
// Set state to failed if not done
if (!$isDone && isset($order->current_state)) {
if ($order->current_state != $order_state_completed) {
try {
$order->setCurrentState($order_state_failed);
$logger("Order State was set to Failed ({$order_state_failed})");
} catch (Exception $e) {
$logger($e->getMessage());
}
}
}
// End Validation Process
$logger("Final Result: {$result}");
$logger("End Validation");
$logger("#################");
echo $result;
}
private function handleOK()
{
// Get Webpay Post Data
// Check if the Post Data exists
$session_id = isset($_POST['TBK_ID_SESION']) ? $_POST['TBK_ID_SESION'] : null;
$cart_id = isset($_POST['TBK_ORDEN_COMPRA']) ? $_POST['TBK_ORDEN_COMPRA'] : null;
$response = isset($_POST['TBK_RESPUESTA']) ? $_POST['TBK_RESPUESTA'] : null;
$tbk_total_amount = isset($_POST['TBK_MONTO']) ? $_POST['TBK_MONTO'] : null;
// log files
$tbk_log_path = null;
$tbk_cache_path = null;
// Paths from Configuration
$kccPath = Configuration::get(KCC_PATH);
$kccLogPath = Configuration::get(KCC_LOG);
$kccTocPage = Configuration::get(KCC_TOC_PAGE_URL);
$cart = null;
$order = null;
$customer = null;
$webpaykcc = new WebpayKcc();
// Error vars
$error = false;
$error_message = null;
// Set the log paths
// and cart and order vars
if (!is_null($cart_id) && !is_null($session_id)) {
// The log file was generated in front controller
$tbk_log_path = getKccLog($kccLogPath, $session_id);
// The cache file is needed for validation
// was generated in validate.php
$tbk_cache_path = $tbk_log_path . '.cache';
// Get cart data
// $cart_id is set in /controllers/front/payment.php
// as the current cart id
// this is called by transbank with those vars
try {
$order = new Order(Order::getOrderByCartId($cart_id));
$cart = Cart::getCartByOrderId($order->id);
} catch (Exception $e) {
$error = true;
$error_message = $e->getMessage();
}
} else {
$error = true;
$error_message = 'Session and Cart params not found';
}
// Start Checks for Success
if (!$error) {
// Check if log files are present
if (file_exists($tbk_log_path) && file_exists($tbk_cache_path)) {
// Check if order and cart exists
if (isset($order->id) && isset($cart->id)) {
// Check for customer
$customer = $order->getCustomer();
if (isset($customer->id)) {
// Check Log Data
$tbk_cache = fopen($tbk_cache_path, 'r');
$tbk_cache_string = fgets($tbk_cache);
fclose($tbk_cache);
$tbk_data = explode('&', $tbk_cache_string);
// there must be at least 12 params
// response is the 2nd param
if (is_array($tbk_data) && isset($tbk_data[2]) && count($tbk_data) >= 12) {
// Check Response to be OK
$tbk_response = explode('=', $tbk_data[2]);
if (isset($tbk_response[1]) && $tbk_response[1] == KCC_OK_RESPONSE) {
// Check current order state
// must be completed
$order_state_completed = (int) Configuration::get('PS_OS_PAYMENT');
if ($order->current_state == $order_state_completed) {
// Everything seems OK
// should render the Success Page
$error = false;
$error_message = null;
} else {
$error = true;
$error_message = "Order state is not completed, current state {$order->current_state}";
}
} else {
$error = true;
$error_message = 'Response is not OK';
}
} else {
$error = true;
$error_message = 'Cache data is invalid';
}
} else {
$error = true;
$error_message = 'Customer not found';
}
} else {
$error = true;
$error_message = 'Order or Cart Objects not Found';
}
} else {
$error = true;
$error_message = 'Log files not found';
}
}
// Render the template
if (!$error && is_null($error_message)) {
// Init params var
$params = array();
// Get the active shop id if in multistore shop
$activeShopID = (int) Context::getContext()->shop->id;
// Parse Cache
// $tbk_data and tbk_response are set in checks above
$tbk_cart_id = explode('=', $tbk_data[0]);
$tbk_transaction_type = explode('=', $tbk_data[1]);
$tbk_amount = explode('=', $tbk_data[3]);
$tbk_auth_code = explode('=', $tbk_data[4]);
$tbk_card_last_digit = explode('=', $tbk_data[5]);
$tbk_accounting_date = explode('=', $tbk_data[6]);
$tbk_transaction_date = explode('=', $tbk_data[7]);
$tbk_transaction_time = explode('=', $tbk_data[8]);
$tbk_transaction_id = explode('=', $tbk_data[10]);
$tbk_payment_type = explode('=', $tbk_data[11]);
$tbk_installment_quantity = explode('=', $tbk_data[12]);
$tbk_mac = explode('=', $tbk_data[13]);
// Do some formatting for the Accounting Year
$tbk_accounting_year = date('Y');
if (substr($tbk_accounting_date[1], 0, 2) == '12' && date('d') == '01') {
$tbk_accounting_year = date('Y') - 1;
} else {
if (substr($tbk_accounting_date[1], 0, 2) == '01' && date('d') == '12') {
$tbk_accounting_year = date('Y') + 1;
}
}
// Do some formatting for the Transaction Year
$tbk_transaction_year = date('Y');
if (substr($tbk_transaction_date[1], 0, 2) == '12' && date('d') == '01') {
$tbk_transaction_year = date('Y') - 1;
} else {
if (substr($tbk_transaction_date[1], 0, 2) == '01' && date('d') == '12') {
$tbk_transaction_year = date('Y') + 1;
}
}
// Start Adding info to Params
// Format transaction date
$params['tbk_transaction_date'] = substr($tbk_transaction_date[1], 2, 2) . '-' . substr($tbk_transaction_date[1], 0, 2) . '-' . $tbk_transaction_year;
// Format transaction time
$params['tbk_transaction_time'] = substr($tbk_transaction_time[1], 0, 2) . ':' . substr($tbk_transaction_time[1], 2, 2) . ':' . substr($tbk_transaction_time[1], 4, 2);
// Do some formatting for the payment type
if ($tbk_payment_type[1] == 'VD') {
$params['tbk_payment_type'] = $this->module->l('Redcompra');
} else {
$params['tbk_payment_type'] = $this->module->l("Crédito");
}
// Do some formatting for the Installment Type
if ($tbk_payment_type[1] == 'VN') {
$params['tbk_installment_type'] = $this->module->l('Sin cuotas');
} else {
if ($tbk_payment_type[1] == 'VC') {
$params['tbk_installment_type'] = $this->module->l('Cuotas normales');
} else {
if ($tbk_payment_type[1] == 'SI') {
$params['tbk_installment_type'] = $this->module->l('Sin interés');
} else {
if ($tbk_payment_type[1] == 'S2') {
$params['tbk_installment_type'] = $this->module->l('Dos cuotas sin interés');
} else {
if ($tbk_payment_type[1] == 'CI') {
$params['tbk_installment_type'] = $this->module->l('Cuotas comercio');
} else {
if ($tbk_payment_type[1] == 'VD') {
$params['tbk_installment_type'] = $this->module->l('Débito');
}
}
}
}
}
}
// Check for Quantity of Installments
if ($tbk_installment_quantity[1] == 0) {
$params['tbk_installment_quantity'] = '00';
} else {
$params['tbk_installment_quantity'] = $tbk_installment_quantity[1];
}
// Add more info to params
// General Info
$base_url = Tools::getShopDomainSsl(true, true);
$order_history_url = $base_url . __PS_BASE_URI__ . 'index.php?controller=order-detail&id_cart=' . $cart_id . '&id_module=' . (int) $webpaykcc->id . '&id_order=' . $order->id . '&key=' . $customer->secure_key . '&status=OPEN';
$params['toc_page'] = $kccTocPage;
$params['order_history'] = $order_history_url;
$params['shop_name'] = Context::getContext()->shop->name;
$params['shop_url'] = $base_url;
$params['customer_name'] = $customer->firstname . ' ' . $customer->lastname;
// Transbank Info
$params['tbk_accounting_year'] = $tbk_accounting_year;
$params['tbk_transaction_year'] = $tbk_transaction_year;
$params['tbk_mac'] = $tbk_mac[1];
$params['tbk_cart_id'] = $tbk_cart_id[1];
// TODO: Should check tbk_transaction_type value
// For now this will work
$params['tbk_transaction_type'] = $this->module->l('Venta');
$params['tbk_amount'] = $tbk_amount[1] / 100;
$params['tbk_auth_code'] = $tbk_auth_code[1];
$params['tbk_card_last_digit'] = '************' . $tbk_card_last_digit[1];
$params['tbk_transaction_id'] = $tbk_transaction_id[1];
$params['string'] = print_r($params, true);
$params['logo'] = $this->logo;
// Now we pass the data
// to smarty and render
// the template
$this->context->smarty->assign($params);
$this->setTemplate('success.tpl');
} else {
// for generating pages
$base_url = Tools::getShopDomainSsl(true, true) . __PS_BASE_URI__;
// Base URL for success
// or failure pages
$module_url = "index.php?fc=module&module=" . "{$webpaykcc->name}&controller=" . "validate" . "&cartId=" . $cart_id;
$failure_page = $base_url . $module_url . "&return=error";
// set the error message
$this->error_message = $error_message;
// Redirect to failure
// $this->handleError();
Tools::redirect($failure_page);
}
}