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| Current File : /home/aliyykcz/public_html/wp-content/updraft/plugins-old/ziina/includes/Gateway.php |
<?php
/**
* Gateway class
*
* @package ZiinaPayment
*/
namespace ZiinaPayment;
use Exception;
use WC_Payment_Gateway;
use ZiinaPayment\Entities\ZiinaPayment;
use Ramsey\Uuid\Uuid;
use WP_Error;
use WC_Logger;
use ZiinaPayment\Logger\Main as ZiinaLogger;
use ZiinaPayment\Admin\OrderDetails;
defined( 'ABSPATH' ) || exit();
/**
* Class Gateway
*
* @package ZiinaPayment
* @since 1.0.0
*/
class Gateway extends WC_Payment_Gateway {
/**
* Ziina Gateway constructor.
*/
public function __construct() {
$this->id = ziina_payment()->plugin_id;
$this->method_title = __( 'Ziina Payment', 'ziina' );
$this->method_description = __( 'Pay via Ziina Payment', 'ziina' );
$this->has_fields = true;
$this->supports = array( 'products', 'refunds' );
$this->init_form_fields();
$this->title = $this->get_option( 'title' );
$this->description = $this->get_option( 'description' );
$this->enabled = $this->get_option( 'enabled' );
add_action('rest_api_init', array($this, 'register_webhook_handler'));
add_action(
'woocommerce_update_options_payment_gateways_' . $this->id,
array(
$this,
'process_admin_options',
)
);
}
/**
* Initialise settings form fields.
*
* Add an array of fields to be displayed on the gateway's settings screen.
*/
public function init_form_fields() {
$this->form_fields = array(
'enabled' => array(
'title' => __( 'Enable/Disable', 'ziina' ),
'label' => __( 'Enable Ziina Payment', 'ziina' ),
'type' => 'checkbox',
'description' => '',
'default' => 'no',
),
'title' => array(
'title' => __( 'Title', 'ziina' ),
'type' => 'text',
'description' => __( 'This controls the title which the user sees during checkout.', 'ziina' ),
'default' => __( 'Credit/Debit Card, Apple Pay or Google Pay', 'ziina' ),
'desc_tip' => true,
),
'description' => array(
'title' => __( 'Description', 'ziina' ),
'type' => 'text',
'description' => __( 'This controls the description which the user sees during checkout.', 'ziina' ),
'default' => __( 'Pay with credit card, debit card, Apple Pay or Google Pay', 'ziina' ),
'desc_tip' => true,
),
'authorization_token' => array(
'title' => __( 'API key', 'ziina' ),
'label' => __( 'API key', 'ziina' ),
'type' => 'text',
),
'is_test' => array(
'title' => __( 'Test Mode', 'ziina' ),
'label' => __( 'Enable Test Mode', 'ziina' ),
'type' => 'checkbox',
'description' => __( 'When enabled, you can test payments on your site without charging a card.', 'ziina' ),
'default' => 'no',
'desc_tip' => true,
),
'logging' => array(
'title' => __( 'Logging', 'ziina' ),
'label' => __( 'Log debug messages', 'ziina' ),
'type' => 'checkbox',
'description' => __( 'Save debug messages to the WooCommerce System Status log.', 'ziina' ),
'default' => 'yes',
'desc_tip' => true,
),
);
}
/**
* Process Payment.
*
* Process the payment. Override this in your gateway. When implemented, this should.
* return the success and redirect in an array. e.g:
*
* return array(
* 'result' => 'success',
* 'redirect' => $this->get_return_url( $order )
* );
*
* @param int $order_id Order ID.
*
* @throws Exception
*/
public function process_payment( $order_id ) {
if ( isset( $_SERVER['CONTENT_TYPE'] ) && 'application/json' === $_SERVER['CONTENT_TYPE'] ) {
try {
$_POST = json_decode( file_get_contents( 'php://input' ), true );
} catch ( Exception $e ) {
throw new Exception( esc_html__( 'Request error. Try again or contact us', 'ziina' ) );
}
}
$payment_intent = ziina_payment()->api()->create_payment_intent( $order_id );
$redirect_url = $payment_intent['redirect_url'];
$order = wc_get_order( $order_id );
$order->set_transaction_id( $payment_intent['id'] );
$order->save();
if ( is_wc_endpoint_url( 'order-pay' ) ) {
wp_redirect( $redirect_url );
die;
}
return array(
'result' => 'success',
'redirect' => $redirect_url,
);
}
/**
* Process refund
*
* @param int $order_id Order ID.
* @param float $amount Refund amount.
* @param string $reason Refund reason.
* @return bool|WP_Error
*/
public function process_refund( $order_id, $amount = null, $reason = '' ) {
$order = wc_get_order( $order_id );
if (!$order) {
ZiinaLogger::error('Order not found', ['order_id' => $order_id]);
return new WP_Error('invalid_order', 'Order not found');
}
if (floatval($amount) <= 0) {
return new WP_Error('invalid_amount', 'Invalid refund amount. Please set the value');
}
$payment_intent_id = $order->get_meta('_ziina_payment_id');
if ( empty($payment_intent_id) ) {
ZiinaLogger::error('Order not found', ['payment_intent_id' => $payment_intent_id]);
return new WP_Error('invalid_payment', 'Payment information not found');
}
try {
$uuid = Uuid::uuid4()->toString();
$refund = ziina_payment()->api()->create_refund([
'id' => $uuid,
'payment_intent_id' => $payment_intent_id,
'amount' => ziina_payment()->api()->get_rounded_total($amount, $order->get_currency()),
'currency_code' => $order->get_currency(),
]);
if ($refund && in_array($refund['status'], ['pending', 'completed'])) {
$order->add_meta_data('_ziina_refund_id', $refund['id']);
$order->save();
$note = sprintf(
/* translators: 1: refund amount, 2: refund ID */
__('Refunded %1$s via Ziina. Refund ID: %2$s', 'ziina'),
wc_price($amount),
$refund['id']
);
if ($reason) {
/* translators: 1: reason */
$note .= sprintf(__('. Reason: %s', 'ziina'), $reason);
}
$order->add_order_note($note);
return true;
}
ZiinaLogger::error('Refund failed', [
'order_id' => $order_id,
'payment_intent_id' => $payment_intent_id,
'message' => $refund["message"]
]);
return new WP_Error(
'refund_failed',
'Refund failed: ' . ($refund['message'] ?? 'Unknown error')
);
} catch (Exception $e) {
ZiinaLogger::error('Refund error', [
'order_id' => $order_id,
'message' => $e->getMessage()
]);
return new WP_Error('refund_error', $e->getMessage());
}
}
// Registers rest endpoint on plugin side to handle Webhooks from Ziina server
public function register_webhook_handler() {
register_rest_route('ziina-webhook', '/handler', array(
'methods' => 'POST',
'callback' => array($this, 'process_webhook'),
'permission_callback' => '__return_true'
));
if (!$this->get_option('ziina_webhook_registered')) {
$this->register_webhook_on_ziina_server();
}
}
// Creates webhook on Ziina side so that Ziina knows where to send webhooks
public function register_webhook_on_ziina_server() {
try {
$api_token = ziina_payment()->get_setting('authorization_token') ?? '';
$webhook_url = get_rest_url(null, 'ziina-webhook/handler');
// if token is empty or webhook url is localhost request won't succeed
if (empty($api_token) || strpos($webhook_url, 'http://localhost') === 0) {
return;
}
$response = ziina_payment()->api()->register_webhook($webhook_url);
if (isset($response["success"]) && $response["success"] === true) {
$this->update_option('ziina_webhook_registered', true);
ZiinaLogger::info('Webhook registered', $response);
} else {
ZiinaLogger::error('Registering webhook on Ziina server was not successful', $response);
new WP_Error('Error while registering webhook on Ziina server');
}
} catch ( Exception $e ) {
ZiinaLogger::error('Error while registering webhook on Ziina server', ['message' => $e->getMessage()]);
new WP_Error('Error while registering webhook on Ziina server', $e->getMessage());
}
}
public function has_valid_signature($request) {
$raw_body = $request->get_body();
$signature = $request->get_header('X-Hmac-Signature');
if (empty($signature)) {
ZiinaLogger::warn('Invalid or missing webhook signature', ['signature' => $signature]);
return new WP_Error('Invalid signature', 'Missing signature', ['status' => 400]);
}
$secret_key = ziina_payment()->get_setting('authorization_token') ?? '';
$calculated_signature = hash_hmac(
'sha256',
$raw_body,
$secret_key,
false
);
return hash_equals($signature, $calculated_signature);
}
public function process_webhook($request) {
if (!$this->has_valid_signature($request)) {
ZiinaLogger::warn('Hash is invalid or missing webhook signature', ['request' => $request]);
return new WP_Error('Invalid signature', 'Missing signature', ['status' => 400]);
}
$body = $request->get_json_params();
try {
$event = $body['event'];
$data = $body['data'];
if ($event === "payment_intent.status.updated" && $data["status"] === "completed") {
$payment_id = $data["id"];
$order = ZiinaPayment::by_payment_id( $data["id"] )->order();
if (!$order) {
ZiinaLogger::error('Order not found', ['data' => $data]);
return;
}
$order_id = $order->get_id();
$payment_completed_result = ZiinaPayment::maybe_complete_payment($order);
if ($payment_completed_result) {
ZiinaLogger::info("Payment completed. Order $order_id status updated by webhook", $data);
OrderDetails::save_payment_details_to_order($order, $data);
}
}
return new WP_REST_Response(['message' => 'Webhook processed successfully'], 200);
} catch ( Exception $e ) {
ZiinaLogger::error('Webhook processing error', ['message' => $e->getMessage()]);
return new WP_Error('Webhook processing error', $e->getMessage());
}
}
}