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O K
2025-06-01 20:19:08 +03:00
parent 7bd84d8582
commit 67ff82de5d
11 changed files with 836 additions and 488 deletions
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108
controllers/front/callback.php
View File

@@ -29,24 +29,7 @@ if (!defined('_PS_VERSION_')) {
*/
class HutkoCallbackModuleFrontController extends ModuleFrontController
{
/**
* Handles the post-processing of the payment gateway callback.
*
* This method is the entry point for Hutko's server-to-server notifications.
* It performs the following steps:
* 1. Parses the incoming request body (from POST or raw input).
* 2. Validates the integrity of the request using the module's signature validation.
* 3. Extracts the cart ID and loads the corresponding cart.
* 4. Checks if the order already exists for the cart. If not, it attempts to validate
* and create the order, using `postponeCallback` to manage potential race conditions.
* 5. Based on the `order_status` received in the callback, it updates the PrestaShop
* order's status (e.g., to success, error, or processing).
* 6. Logs all significant events and errors using PrestaShopLogger.
* 7. Exits with a simple string response ('OK' or an error message) as expected by
* payment gateways.
*
* @return void
*/
public function postProcess(): void
{
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
@@ -61,72 +44,18 @@ class HutkoCallbackModuleFrontController extends ModuleFrontController
PrestaShopLogger::addLog('Hutko Callback: Empty request body received.', 2, null, 'Cart', null, true);
exit('Empty request');
}
// 2. Validate the request signature and required fields.
// Ensure all expected fields are present before proceeding with validation.
$requiredFields = ['order_id', 'amount', 'order_status', 'signature', 'merchant_id'];
foreach ($requiredFields as $field) {
if (!isset($requestBody[$field])) {
PrestaShopLogger::addLog('Hutko Callback: Missing required field in request: ' . $field, 2, null, 'Cart', null, true);
exit('Missing parameter: ' . $field);
}
}
// Assuming validateResponse returns true on success, or a string error message on failure.
$isSignatureValid = $this->module->validateResponse($requestBody);
if ($isSignatureValid !== true) {
PrestaShopLogger::addLog('Hutko Callback: Invalid signature. Error: ' . $isSignatureValid, 2, null, 'Cart', null, true);
exit('Invalid signature');
}
// PrestaShopLogger::addLog('Hutko Callback: ' . json_encode($requestBody), 1);
// 3. Extract cart ID and load the cart.
// The order_id is expected to be in the format "cartID|timestamp".
$transaction_id = $requestBody['order_id'];
$orderIdParamParts = explode($this->module->order_separator, $transaction_id);
$cartId = (int)$orderIdParamParts[0]; // Ensure it's an integer
$cart = new Cart($cartId);
// Validate cart object.
if (!Validate::isLoadedObject($cart)) {
PrestaShopLogger::addLog('Hutko Callback: Cart not found for ID: ' . $cartId, 3, null, 'Cart', $cartId, true);
exit('Cart not found');
}
// 4. Determine the amount received from the callback.
$amountReceived = round((float)$requestBody['amount'] / 100, 2);
// 5. Check if the order already exists for this cart.
$orderId = Order::getIdByCartId($cart->id);
$orderExists = (bool)$orderId;
// 6. If the order doesn't exist, attempt to validate it using postponeCallback.
// This handles the scenario where the callback arrives before the customer returns to the site.
if (!$orderExists) {
// The callback function will check for order existence again right before validation
// to handle potential race conditions.
$validationCallback = function () use ($cart, $amountReceived, $transaction_id) {
// Re-check if the order exists right before validation in case the result controller
// created it in the interim while we were waiting for the second digit.
if (Order::getIdByCartId($cart->id)) {
return true; // Order already exists, no need to validate again.
}
// If order still doesn't exist, proceed with validation.
$idState = (int)Configuration::get('HUTKO_SUCCESS_STATUS_ID');
return $this->module->validateOrderFromCart((int)$cart->id, $amountReceived, $transaction_id, $idState, true);
};
// Postpone validation to seconds ending in 8 to avoid collision with result controller (ending in 3).
$validationResult = $this->module->postponeCallback($validationCallback, 8);
// Re-fetch order ID after potential validation.
$orderId = Order::getIdByCartId($cart->id);
if (!$orderId || !$validationResult) {
PrestaShopLogger::addLog('Hutko Callback: Order validation failed for cart ID: ' . $cart->id, 2, null, 'Cart', $cart->id, true);
exit('Order validation failed');
}
}
$orderId = (int)$orderIdParamParts[0]; // Ensure it's an integer
// If we reached here, an order should exist. Load it.
$order = new Order($orderId);
@@ -141,11 +70,17 @@ class HutkoCallbackModuleFrontController extends ModuleFrontController
switch ($orderStatusCallback) {
case 'approved':
$expectedState = (int)Configuration::get('HUTKO_SUCCESS_STATUS_ID');
// Only change state if it's not already the success state or "Payment accepted".
// "Payment accepted" (PS_OS_PAYMENT) might be set by validateOrderFromCart.
if ($currentOrderState !== $expectedState && $currentOrderState !== (int)Configuration::get('PS_OS_PAYMENT')) {
$this->module->updateOrderStatus($orderId, $expectedState, 'Payment approved by Hutko.');
// Only success state if no refunds was done.
if ($requestBody['response_status'] == 'success' && (int)$requestBody['reversal_amount'] === 0) {
$expectedState = (int)Configuration::get('HUTKO_SUCCESS_STATUS_ID', null, null, null, Configuration::get('PS_OS_PAYMENT'));
// Only change state if it's not already the success state or "Payment accepted".
if ($currentOrderState !== $expectedState) {
$this->module->addPayment($requestBody, $order);
$order->setCurrentState($expectedState);
}
} else {
PrestaShopLogger::addLog('Hutko Callback: Unhandled response_status: ' . $requestBody['response_status']);
}
exit('OK');
break;
@@ -154,7 +89,7 @@ class HutkoCallbackModuleFrontController extends ModuleFrontController
$expectedState = (int)Configuration::get('PS_OS_ERROR');
// Only change state if it's not already the error state.
if ($currentOrderState !== $expectedState) {
$this->module->updateOrderStatus($orderId, $expectedState, 'Payment ' . $orderStatusCallback . ' by Hutko.');
$order->setCurrentState($expectedState);
}
exit('Order ' . $orderStatusCallback);
break;
@@ -162,7 +97,7 @@ class HutkoCallbackModuleFrontController extends ModuleFrontController
$expectedState = (int)Configuration::get('PS_OS_ERROR');
// Only change state if it's not already the error state.
if ($currentOrderState !== $expectedState) {
$this->module->updateOrderStatus($orderId, $expectedState, 'Payment ' . $orderStatusCallback . ' by Hutko.');
$order->setCurrentState($expectedState);
}
exit('Order ' . $orderStatusCallback);
break;
@@ -173,7 +108,7 @@ class HutkoCallbackModuleFrontController extends ModuleFrontController
// For now, if it's not already in a success/error state, set it to 'processing'.
$processingState = (int)Configuration::get('PS_OS_PAYMENT'); // Or a custom 'processing' state
if ($currentOrderState !== $processingState && $currentOrderState !== (int)Configuration::get('HUTKO_SUCCESS_STATUS_ID') && $currentOrderState !== (int)Configuration::get('PS_OS_ERROR')) {
$this->module->updateOrderStatus($orderId, $processingState, 'Payment processing by Hutko.');
$order->setCurrentState($processingState);
}
exit('Processing');
break;
@@ -198,13 +133,8 @@ class HutkoCallbackModuleFrontController extends ModuleFrontController
*/
private function getRequestBody(): array
{
// Prioritize $_POST for form data.
if (!empty($_POST)) {
return $_POST;
}
// Fallback to raw input for JSON payloads, common for callbacks.
$jsonBody = json_decode(Tools::file_get_contents("php://input"), true);
$jsonBody = json_decode(file_get_contents("php://input"), true);
if (is_array($jsonBody)) {
return $jsonBody;
}

34
controllers/front/redirect.php
View File

@@ -32,16 +32,32 @@ class HutkoRedirectModuleFrontController extends ModuleFrontController
*/
public function initContent()
{
// Call the parent class's initContent method to perform default initializations.
parent::initContent();
// Assign Smarty variables to be used in the redirect template.
$this->context->smarty->assign([
'hutko_url' => $this->module->checkout_url, // The URL of the Hutko payment gateway.
'hutko_inputs' => $this->module->buildInputs(), // An array of input parameters required by Hutko.
]);
// Set the template to be used for displaying the redirection form.
$this->setTemplate('module:' . $this->module->name . '/views/templates/front/redirect.tpl');
// Call the parent class's initContent method to perform default initializations.
parent::initContent();
$idState = (int) Configuration::get('HUTKO_NEW_ORDER_STATUS_ID', null, null, null, Configuration::get('PS_OS_PREPARATION'));
$validationResult = $this->module->validateOrder($this->context->cart->id, $idState, 0, $this->module->displayName);
if ($validationResult) {
$order = new Order((int)$this->module->currentOrder);
$requestData = $this->module->buildPaymentRequestData($order, null, null, null);
$responseData = $this->module->sendAPICall($this->module->checkout_url, $requestData);
if (isset($responseData['response']['response_status']) && $responseData['response']['response_status'] === 'success') {
$orderPayment = new OrderPayment();
$orderPayment->order_reference = $order->reference;
$orderPayment->id_currency = $order->id_currency;
$orderPayment->amount = 0;
$orderPayment->payment_method = $this->module->displayName;
$orderPayment->transaction_id = $requestData['order_id'];
$orderPayment->card_holder = $responseData['response']['checkout_url'];
$orderPayment->add();
Tools::redirect($responseData['response']['checkout_url']);
return;
}
$this->context->smarty->assign([
'hutko_response' => $responseData['response'], // The URL of the Hutko payment gateway.
]);
}
}
}

185
controllers/front/result.php
View File

@@ -1,185 +0,0 @@
<?php
/**
* Hutko - Платіжний сервіс, який рухає бізнеси вперед.
*
* Запускайтесь, набирайте темп, масштабуйтесь – ми підстрахуємо всюди.
*
* @author panariga
* @copyright 2025 Hutko
* @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0)
*/
if (!defined('_PS_VERSION_')) {
exit;
}
/**
* Class HutkoResultModuleFrontController
* Front Controller for handling the result of a Hutko payment.
*
* This class processes the response from the Hutko payment gateway after a customer
* has attempted a payment. It validates the incoming parameters, handles different
* payment statuses (approved, declined, processing, expired), and redirects the
* customer accordingly to the order confirmation page, order history, or back
* to the order page with relevant notifications.
*
* @property Hutko $module An instance of the Hutko module.
*/
class HutkoResultModuleFrontController extends ModuleFrontController
{
/**
* Handles the post-processing of the payment gateway response.
*
* This method retrieves payment status and order details from the request,
* performs necessary validations, and then takes action based on the
* payment status:
* - 'declined' or 'expired': Adds an error and redirects to the order page.
* - 'processing': Periodically checks for order creation (up to PHP execution timeout)
* and redirects to confirmation if found, or adds an error if not.
* - 'approved': Validates the order (if not already created) and redirects
* to the order confirmation page.
* - Any other status: Redirects to the order history or order page with errors.
*/
public function postProcess(): void
{
// Retrieve essential parameters from the request.
$orderStatus = Tools::getValue('order_status');
$transaction_id = Tools::getValue('order_id'); // This is the combined cart_id|timestamp
$amountReceived = round((float)Tools::getValue('actual_amount', Tools::getValue('amount', 0)) / 100, 2);
// Basic validation: If critical parameters are missing, redirect to home.
if (!$transaction_id || !$orderStatus || !$amountReceived) {
Tools::redirect('/');
}
// Extract cart ID from the combined order_id parameter.
// The order_id is expected to be in the format "cartID|timestamp".
$cartIdParts = explode($this->module->order_separator, $transaction_id);
$cartId = (int)$cartIdParts[0];
// Validate extracted cart ID. It must be a numeric value.
if (!is_numeric($cartId)) {
$this->errors[] = Tools::displayError($this->trans('Invalid cart ID received.', [], 'Modules.Hutko.Shop'));
$this->redirectWithNotifications($this->context->link->getPageLink('order', true, $this->context->language->id));
return; // Stop execution after redirection
}
// Load the cart object.
$cart = new Cart($cartId);
// Verify that the cart belongs to the current customer to prevent unauthorized access.
if (!Validate::isLoadedObject($cart) || $cart->id_customer != $this->context->customer->id) {
$this->errors[] = Tools::displayError($this->trans('Access denied to this order.', [], 'Modules.Hutko.Shop'));
Tools::redirect('/'); // Redirect to home or a more appropriate error page
}
// Handle different payment statuses.
switch ($orderStatus) {
case 'declined':
$this->errors[] = Tools::displayError($this->trans('Your payment was declined. Please try again or use a different payment method.', [], 'Modules.Hutko.Shop'));
$this->redirectWithNotifications($this->context->link->getPageLink('order', true, $this->context->language->id));
break;
case 'expired':
$this->errors[] = Tools::displayError($this->trans('Your payment has expired. Please try again.', [], 'Modules.Hutko.Shop'));
$this->redirectWithNotifications($this->context->link->getPageLink('order', true, $this->context->language->id));
break;
case 'processing':
// For 'processing' status, we need to poll for order creation.
// This loop will try to find the order for a limited time to avoid
// exceeding PHP execution limits.
$maxAttempts = 10; // Max 10 attempts
$sleepTime = 5; // Sleep 5 seconds between attempts (total max 50 seconds)
$orderFound = false;
$orderId = 0;
for ($i = 0; $i < $maxAttempts; $i++) {
$orderId = Order::getIdByCartId($cart->id);
if ($orderId) {
$orderFound = true;
break; // Order found, exit loop
}
// If not found, wait for a few seconds before retrying.
sleep($sleepTime);
}
if ($orderFound) {
// Order found, redirect to confirmation page.
Tools::redirect($this->context->link->getPageLink('order-confirmation', true, $this->context->language->id, [
'id_cart' => $cart->id,
'id_module' => $this->module->id,
'id_order' => $orderId,
'key' => $this->context->customer->secure_key,
]));
} else {
// Order not found after multiple attempts, assume it's still processing or failed silently.
$this->errors[] = Tools::displayError($this->trans('Your payment is still processing. Please check your order history later.', [], 'Modules.Hutko.Shop'));
$this->redirectWithNotifications($this->context->link->getPageLink('order-history', true, $this->context->language->id));
}
break;
case 'approved':
$orderId = Order::getIdByCartId($cart->id);
// If the order doesn't exist yet, validate it.
// The postponeCallback is used here to avoid race conditions with the callback controller
// (which might be trying to validate the order on seconds ending in 8, while this
// controller tries on seconds ending in 3).
if (!$orderId) {
// Define the validation logic to be executed by postponeCallback.
// This callback will first check if the order exists, and only
// validate if it doesn't, to avoid race conditions.
$validationCallback = function () use ($cart, $amountReceived, $transaction_id) {
// Re-check if the order exists right before validation in case the callback
// controller created it in the interim while we were waiting for the second digit.
if (Order::getIdByCartId($cart->id)) {
return true; // Order already exists, no need to validate again.
}
$idState = (int)Configuration::get('HUTKO_SUCCESS_STATUS_ID');
// If order still doesn't exist, proceed with validation.
return $this->module->validateOrderFromCart((int)$cart->id, $amountReceived, $transaction_id, $idState);
};
// Postpone the execution of the validation callback until the second ends in 3.
$validationResult = $this->module->postponeCallback($validationCallback, 3);
// After the postponed callback has run, try to get the order ID again.
$orderId = Order::getIdByCartId($cart->id);
// If validation failed or order still not found, add an error.
if (!$orderId || !$validationResult) {
$this->errors[] = Tools::displayError($this->trans('Payment approved but order could not be created. Please contact support.', [], 'Modules.Hutko.Shop'));
$this->redirectWithNotifications($this->context->link->getPageLink('order', true, $this->context->language->id));
break;
}
}
// If order exists (either found initially or created by validation), redirect to confirmation.
Tools::redirect($this->context->link->getPageLink('order-confirmation', true, $this->context->language->id, [
'id_cart' => $cart->id,
'id_module' => $this->module->id,
'id_order' => $orderId,
'key' => $this->context->customer->secure_key,
]));
break;
default:
// For any unexpected status, redirect to order history with a generic error.
$this->errors[] = Tools::displayError($this->trans('An unexpected payment status was received. Please check your order history.', [], 'Modules.Hutko.Shop'));
$this->redirectWithNotifications($this->context->link->getPageLink('order-history', true, $this->context->language->id));
break;
}
// This part should ideally not be reached if all cases are handled with redirects.
// However, as a fallback, if any errors were accumulated without a specific redirect,
// redirect to the order page.
if (count($this->errors)) {
$this->redirectWithNotifications($this->context->link->getPageLink('order', true, $this->context->language->id));
}
}
}