| 1 |
<?php |
| 2 |
|
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declare(strict_types=1); |
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|
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namespace Yatra\Controllers; |
| 6 |
|
| 7 |
use WP_REST_Request; |
| 8 |
use WP_REST_Response; |
| 9 |
use WP_Error; |
| 10 |
use Yatra\PaymentGateways\PaymentGatewayRegistry; |
| 11 |
use Yatra\Repositories\BookingRepository; |
| 12 |
use Yatra\Repositories\PaymentRepository; |
| 13 |
use Yatra\Repositories\TripRepository; |
| 14 |
use Yatra\Helpers\FormatHelper; |
| 15 |
use Yatra\Services\PdfService; |
| 16 |
use Yatra\Services\SettingsService; |
| 17 |
|
| 18 |
/** |
| 19 |
* Payment Gateway REST API Controller |
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* |
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* Handles payment gateway operations and payment processing |
| 22 |
*/ |
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class PaymentGatewayController extends BaseController |
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{ |
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private PaymentGatewayRegistry $registry; |
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private BookingRepository $bookingRepository; |
| 27 |
private PaymentRepository $paymentRepository; |
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private TripRepository $tripRepository; |
| 29 |
|
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public function __construct() |
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{ |
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$this->registry = PaymentGatewayRegistry::getInstance(); |
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$this->bookingRepository = new BookingRepository(); |
| 34 |
$this->paymentRepository = new PaymentRepository(); |
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$this->tripRepository = new TripRepository(); |
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} |
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|
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public function register_routes(): void |
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{ |
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$namespace = 'yatra/v1'; |
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$base = 'payment'; |
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|
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// Get gateway definitions for admin settings |
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register_rest_route($namespace, '/' . $base . '/gateways/definitions', [ |
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[ |
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'methods' => \WP_REST_Server::READABLE, |
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'callback' => [$this, 'get_gateway_definitions'], |
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'permission_callback' => [$this, 'check_admin_permission'], |
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], |
| 50 |
]); |
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|
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// Get available gateways for checkout |
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register_rest_route($namespace, '/' . $base . '/gateways', [ |
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[ |
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'methods' => \WP_REST_Server::READABLE, |
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'callback' => [$this, 'get_available_gateways'], |
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'permission_callback' => '__return_true', |
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], |
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]); |
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|
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// Save gateway config |
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register_rest_route($namespace, '/' . $base . '/gateways/(?P<gateway_id>[a-z_]+)/config', [ |
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[ |
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'methods' => \WP_REST_Server::CREATABLE, |
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'callback' => [$this, 'save_gateway_config'], |
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'permission_callback' => [$this, 'check_admin_permission'], |
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], |
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]); |
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|
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// Create payment intent |
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register_rest_route($namespace, '/' . $base . '/create-intent', [ |
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[ |
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'methods' => \WP_REST_Server::CREATABLE, |
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'callback' => [$this, 'create_payment_intent'], |
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'permission_callback' => '__return_true', |
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], |
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]); |
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|
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// Confirm payment |
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register_rest_route($namespace, '/' . $base . '/confirm', [ |
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[ |
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'methods' => \WP_REST_Server::CREATABLE, |
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'callback' => [$this, 'confirm_payment'], |
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'permission_callback' => '__return_true', |
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], |
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]); |
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|
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// Webhook handlers |
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register_rest_route($namespace, '/' . $base . '/webhook/(?P<gateway>[a-z_]+)', [ |
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[ |
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'methods' => \WP_REST_Server::CREATABLE, |
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'callback' => [$this, 'handle_webhook'], |
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'permission_callback' => '__return_true', |
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], |
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]); |
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|
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// Payment callback (for redirect-based payments) |
| 98 |
register_rest_route($namespace, '/' . $base . '/callback/(?P<gateway>[a-z_]+)', [ |
| 99 |
[ |
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'methods' => \WP_REST_Server::READABLE, |
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'callback' => [$this, 'handle_callback'], |
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'permission_callback' => '__return_true', |
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], |
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]); |
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|
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// Get payment status |
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register_rest_route($namespace, '/' . $base . '/status/(?P<booking_id>[\d]+)', [ |
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[ |
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'methods' => \WP_REST_Server::READABLE, |
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'callback' => [$this, 'get_payment_status'], |
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'permission_callback' => '__return_true', |
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], |
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]); |
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|
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register_rest_route($namespace, '/' . $base . '/remaining', [ |
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[ |
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'methods' => \WP_REST_Server::CREATABLE, |
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'callback' => [$this, 'create_remaining_balance_intent'], |
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'permission_callback' => [$this, 'check_customer_permission'], |
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], |
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]); |
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|
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register_rest_route($namespace, '/' . $base . '/remaining/session', [ |
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[ |
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'methods' => \WP_REST_Server::CREATABLE, |
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'callback' => [$this, 'start_remaining_payment_session'], |
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'permission_callback' => [$this, 'check_customer_permission'], |
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], |
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]); |
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|
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// Download invoice for a payment |
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register_rest_route($namespace, '/' . $base . '/(?P<payment_id>[\d]+)/invoice', [ |
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[ |
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'methods' => \WP_REST_Server::READABLE, |
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'callback' => [$this, 'download_invoice'], |
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'permission_callback' => '__return_true', // Auth checked inside callback |
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], |
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]); |
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|
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// Download travel voucher for a payment |
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register_rest_route($namespace, '/' . $base . '/(?P<payment_id>[\d]+)/voucher', [ |
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[ |
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'methods' => \WP_REST_Server::READABLE, |
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'callback' => [$this, 'download_voucher'], |
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'permission_callback' => '__return_true', // Auth checked inside callback |
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], |
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]); |
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|
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// Download a pro-forma invoice for a booking that has no payment yet |
| 150 |
// (offline gateways, e.g. Bank Transfer). Includes payment instructions |
| 151 |
// so the customer knows how to pay. Auth checked inside the callback. |
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register_rest_route($namespace, '/booking/(?P<booking_id>[\d]+)/invoice', [ |
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[ |
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'methods' => \WP_REST_Server::READABLE, |
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'callback' => [$this, 'download_booking_invoice'], |
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'permission_callback' => '__return_true', |
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], |
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]); |
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} |
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|
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/** |
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* Payment gateway config — critical-sensitivity cap. By default |
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* only the Owner role holds `yatra_manage_payment_gateways` |
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* (Manager doesn't, deliberately — gateway keys are among the |
| 165 |
* most sensitive credentials on the site). WP admins pass via |
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* the Team module's admin-fallback filter. |
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*/ |
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public function check_admin_permission(): bool |
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{ |
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return current_user_can('yatra_manage_payment_gateways'); |
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} |
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|
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public function check_customer_permission(): bool |
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{ |
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return is_user_logged_in(); |
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} |
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|
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/** |
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* Get gateway definitions for admin settings |
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*/ |
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public function get_gateway_definitions(WP_REST_Request $request): WP_REST_Response |
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{ |
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return new WP_REST_Response([ |
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'gateways' => $this->registry->getDefinitions(), |
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'currency' => get_option('yatra_currency', 'USD'), |
| 186 |
], 200); |
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} |
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|
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public function create_remaining_balance_intent(WP_REST_Request $request) |
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{ |
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$bookingId = (int) $request->get_param('booking_id'); |
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$method = sanitize_text_field($request->get_param('method') ?: 'stripe'); |
| 193 |
|
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if ($bookingId <= 0) { |
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return new WP_Error('invalid_booking', __('Invalid booking ID provided.', 'yatra'), ['status' => 400]); |
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} |
| 197 |
|
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$booking = $this->bookingRepository->find($bookingId); |
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|
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if (!$booking) { |
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return new WP_Error('booking_not_found', __('Booking not found.', 'yatra'), ['status' => 404]); |
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} |
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|
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$currentUser = get_current_user_id(); |
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if (!$currentUser || (int) $booking->user_id !== $currentUser) { |
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return new WP_Error('forbidden', __('You do not have permission to pay for this booking.', 'yatra'), ['status' => 403]); |
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} |
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|
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$remainingAmount = (float) ($booking->amount_due ?? ($booking->total_amount - $booking->amount_paid)); |
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|
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if ($remainingAmount <= 0) { |
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return new WP_Error('no_balance_due', __('This booking is already fully paid.', 'yatra'), ['status' => 400]); |
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} |
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|
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$customerEmail = $booking->contact_email ?? ($booking->customer_email ?? ''); |
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$customerName = trim(($booking->contact_first_name ?? '') . ' ' . ($booking->contact_last_name ?? '')); |
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|
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// Append `balance=paid` to the gateway's return URL so the booking-confirmation |
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// template can render a "balance just paid" banner instead of the generic "booking |
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// confirmed" copy. Same canonical URL — the flag only switches contextual content. |
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$confirmationUrl = $this->getConfirmationUrl($booking->reference ?? (string) $bookingId); |
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$confirmationUrl = add_query_arg('balance', 'paid', $confirmationUrl); |
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|
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// Customer-account base is configurable under Settings → Permalink. Don't |
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// hardcode `/my-account` — that breaks for sites that have customised the slug. |
| 226 |
$accountUrl = home_url('/' . SettingsService::getAccountBase()); |
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$cancelUrl = add_query_arg( |
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['tab' => 'payments', 'payment' => 'cancelled'], |
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$accountUrl |
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); |
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|
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$paymentData = [ |
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'amount' => $remainingAmount, |
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'currency' => $booking->currency ?? get_option('yatra_currency', 'USD'), |
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'booking_id' => $bookingId, |
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'customer_email' => $customerEmail, |
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'customer_name' => $customerName ?: $customerEmail, |
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'return_url' => $confirmationUrl, |
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'description' => sprintf( |
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/* translators: %s: booking reference. */ |
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__('Remaining balance for Booking #%s', 'yatra'), |
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$booking->reference ?? $bookingId |
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), |
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'cancel_url' => $cancelUrl, |
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]; |
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|
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$result = $this->registry->processPayment($method, $paymentData); |
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|
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if (!$result['success']) { |
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$message = $result['error'] ?? $result['message'] ?? __('Unable to initiate payment.', 'yatra'); |
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return new WP_Error('payment_error', $message, ['status' => 400]); |
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} |
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|
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return new WP_REST_Response([ 'success' => true, 'data' => $result ], 200); |
| 255 |
} |
| 256 |
|
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public function start_remaining_payment_session(WP_REST_Request $request) |
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{ |
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if (!function_exists('yatra_start_session')) { |
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return new WP_Error('session_unavailable', __('Booking session helpers not loaded.', 'yatra'), ['status' => 500]); |
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} |
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|
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yatra_start_session(); |
| 264 |
|
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$bookingId = (int) $request->get_param('booking_id'); |
| 266 |
|
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if ($bookingId <= 0) { |
| 268 |
return new WP_Error('invalid_booking', __('Invalid booking ID provided.', 'yatra'), ['status' => 400]); |
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} |
| 270 |
|
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$booking = $this->bookingRepository->findWithTrip($bookingId); |
| 272 |
|
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if (!$booking) { |
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return new WP_Error('booking_not_found', __('Booking not found.', 'yatra'), ['status' => 404]); |
| 275 |
} |
| 276 |
|
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$currentUser = get_current_user_id(); |
| 278 |
|
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if (!$currentUser || (int) $booking->user_id !== $currentUser) { |
| 280 |
return new WP_Error('forbidden', __('You do not have permission to pay for this booking.', 'yatra'), ['status' => 403]); |
| 281 |
} |
| 282 |
|
| 283 |
$remainingAmount = (float) ($booking->amount_due ?? ($booking->total_amount - $booking->amount_paid)); |
| 284 |
|
| 285 |
if ($remainingAmount <= 0) { |
| 286 |
return new WP_Error('no_balance_due', __('This booking is already fully paid.', 'yatra'), ['status' => 400]); |
| 287 |
} |
| 288 |
|
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$trip = $this->tripRepository->findPublished((int) $booking->trip_id); |
| 290 |
|
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if (!$trip) { |
| 292 |
return new WP_Error('trip_not_found', __('Trip associated with this booking is unavailable.', 'yatra'), ['status' => 400]); |
| 293 |
} |
| 294 |
|
| 295 |
$currency = $booking->currency ?? SettingsService::getCurrency(); |
| 296 |
$travelersCount = (int) ($booking->travelers_count ?? $booking->travelers ?? 1); |
| 297 |
$travelersCount = max(1, $travelersCount); |
| 298 |
$pricePerPerson = $travelersCount > 0 ? ((float) $booking->total_amount / $travelersCount) : (float) $trip->sale_price; |
| 299 |
|
| 300 |
// Use dedicated remaining session (separate from booking session) |
| 301 |
$remainingSessionData = [ |
| 302 |
'booking_id' => (int) $booking->id, |
| 303 |
'booking_reference' => $booking->reference ?? '', |
| 304 |
'trip_id' => (int) $trip->id, |
| 305 |
'trip_title' => $trip->title, |
| 306 |
'trip_slug' => $trip->slug, |
| 307 |
'trip_price' => $pricePerPerson, |
| 308 |
'trip_featured_image' => $trip->featured_image ?? '', |
| 309 |
'currency' => $currency, |
| 310 |
'travel_date' => $booking->travel_date, |
| 311 |
'travelers' => $travelersCount, |
| 312 |
'remaining_amount' => $remainingAmount, |
| 313 |
'amount_paid' => (float) ($booking->amount_paid ?? 0), |
| 314 |
'total_amount' => (float) ($booking->total_amount ?? 0), |
| 315 |
'contact_first_name' => $booking->contact_first_name ?? '', |
| 316 |
'contact_last_name' => $booking->contact_last_name ?? '', |
| 317 |
'contact_email' => $booking->contact_email ?? $booking->customer_email ?? '', |
| 318 |
'contact_phone' => $booking->contact_phone ?? $booking->customer_phone ?? '', |
| 319 |
]; |
| 320 |
|
| 321 |
// Clear any existing booking session to avoid confusion |
| 322 |
yatra_clear_booking_session(); |
| 323 |
// Set the remaining payment session |
| 324 |
yatra_set_remaining_session($remainingSessionData); |
| 325 |
|
| 326 |
$checkoutUrl = yatra_get_checkout_url(); |
| 327 |
// Custom booking page is a normal WP page: pass trip slug so embedded booking UI can resolve the trip. |
| 328 |
if (!empty($trip->slug) && SettingsService::useCustomBookingPage()) { |
| 329 |
$checkoutUrl = add_query_arg('trip', rawurlencode((string) $trip->slug), $checkoutUrl); |
| 330 |
} |
| 331 |
|
| 332 |
return new WP_REST_Response([ |
| 333 |
'success' => true, |
| 334 |
'data' => [ |
| 335 |
'checkout_url' => $checkoutUrl, |
| 336 |
'booking_reference' => $booking->reference ?? '', |
| 337 |
'return_url' => $this->getConfirmationUrl($booking->reference ?? ''), |
| 338 |
], |
| 339 |
]); |
| 340 |
} |
| 341 |
|
| 342 |
/** |
| 343 |
* Get available gateways for checkout. |
| 344 |
* |
| 345 |
* For the *remaining-balance* checkout (when `yatra_has_remaining_session()` is |
| 346 |
* true OR the request explicitly carries `?context=remaining`), offline gateways |
| 347 |
* are filtered out — Pay Later / Bank Transfer don't actually collect money, so |
| 348 |
* picking them to "settle a balance" leaves the booking still unpaid and the |
| 349 |
* customer thinking they finished the flow. Filterable via |
| 350 |
* `yatra_remaining_payment_allowed_gateways` if a site needs custom behaviour. |
| 351 |
*/ |
| 352 |
public function get_available_gateways(WP_REST_Request $request): WP_REST_Response |
| 353 |
{ |
| 354 |
$gateways = $this->registry->getForCheckout(); |
| 355 |
|
| 356 |
$context = sanitize_key((string) ($request->get_param('context') ?? '')); |
| 357 |
$isRemainingFlow = $context === 'remaining' |
| 358 |
|| (function_exists('yatra_has_remaining_session') && yatra_has_remaining_session()); |
| 359 |
|
| 360 |
if ($isRemainingFlow) { |
| 361 |
$gateways = array_values(array_filter($gateways, static function ($gw) { |
| 362 |
return empty($gw['is_offline']); |
| 363 |
})); |
| 364 |
|
| 365 |
/** |
| 366 |
* Filter the gateway list shown in the remaining-balance checkout. |
| 367 |
* |
| 368 |
* Default: every offline gateway (Pay Later, Bank Transfer, etc.) is |
| 369 |
* removed so the customer can only pick a real-money method. |
| 370 |
* |
| 371 |
* @param array $gateways Gateway entries (id, title, is_offline, …). |
| 372 |
*/ |
| 373 |
$gateways = apply_filters('yatra_remaining_payment_allowed_gateways', $gateways); |
| 374 |
} |
| 375 |
|
| 376 |
return new WP_REST_Response([ |
| 377 |
'gateways' => $gateways, |
| 378 |
'currency' => get_option('yatra_currency', 'USD'), |
| 379 |
'context' => $isRemainingFlow ? 'remaining' : 'initial', |
| 380 |
], 200); |
| 381 |
} |
| 382 |
|
| 383 |
/** |
| 384 |
* Save gateway configuration |
| 385 |
*/ |
| 386 |
public function save_gateway_config(WP_REST_Request $request) |
| 387 |
{ |
| 388 |
$gatewayId = $request->get_param('gateway_id'); |
| 389 |
$config = $request->get_json_params(); |
| 390 |
|
| 391 |
$gateway = $this->registry->get($gatewayId); |
| 392 |
if (!$gateway) { |
| 393 |
return new WP_Error('invalid_gateway', __('Gateway not found', 'yatra'), ['status' => 404]); |
| 394 |
} |
| 395 |
|
| 396 |
$saved = $gateway->saveConfig($config); |
| 397 |
|
| 398 |
if ($saved) { |
| 399 |
/** |
| 400 |
* Fires after a payment gateway configuration is saved (telemetry / integrations). |
| 401 |
* |
| 402 |
* @param string $gatewayId Gateway id. |
| 403 |
* @param array<string, mixed> $config Sanitized-bound request body. |
| 404 |
*/ |
| 405 |
do_action('yatra_payment_gateway_config_saved', (string) $gatewayId, is_array($config) ? $config : []); |
| 406 |
} |
| 407 |
|
| 408 |
return new WP_REST_Response([ |
| 409 |
'success' => $saved, |
| 410 |
'message' => $saved ? __('Gateway configuration saved', 'yatra') : __('Failed to save configuration', 'yatra'), |
| 411 |
], $saved ? 200 : 500); |
| 412 |
} |
| 413 |
|
| 414 |
/** |
| 415 |
* Create payment intent |
| 416 |
*/ |
| 417 |
public function create_payment_intent(WP_REST_Request $request) |
| 418 |
{ |
| 419 |
$gatewayId = sanitize_text_field($request->get_param('gateway')); |
| 420 |
$paymentData = [ |
| 421 |
'amount' => (float) $request->get_param('amount'), |
| 422 |
'currency' => sanitize_text_field($request->get_param('currency') ?: get_option('yatra_currency', 'USD')), |
| 423 |
'booking_id' => (int) $request->get_param('booking_id'), |
| 424 |
'trip_id' => (int) $request->get_param('trip_id'), |
| 425 |
'trip_date' => sanitize_text_field($request->get_param('trip_date') ?? ''), |
| 426 |
'customer_email' => sanitize_email($request->get_param('customer_email')), |
| 427 |
'customer_name' => sanitize_text_field($request->get_param('customer_name')), |
| 428 |
'return_url' => esc_url_raw($request->get_param('return_url')), |
| 429 |
]; |
| 430 |
|
| 431 |
// Enrich payment data with booking context (reference, trip title, cancel URL). |
| 432 |
// SECURITY: when a booking_id is supplied, the authoritative amount/currency must come |
| 433 |
// from the database row, NOT from the client. Otherwise an attacker can pay $1 for a |
| 434 |
// $1000 trip by tampering with the JSON body. |
| 435 |
if ($paymentData['booking_id'] > 0) { |
| 436 |
$booking = $this->bookingRepository->find($paymentData['booking_id']); |
| 437 |
if (!$booking) { |
| 438 |
return new WP_Error('booking_not_found', __('Booking not found.', 'yatra'), ['status' => 404]); |
| 439 |
} |
| 440 |
|
| 441 |
// If the booking is owned by a registered user, only that user (or an admin) may pay it. |
| 442 |
// Guest bookings (user_id = 0) remain payable without auth — the booking session controls access. |
| 443 |
$bookingUserId = (int) ($booking->user_id ?? 0); |
| 444 |
if ($bookingUserId > 0) { |
| 445 |
$currentUserId = (int) get_current_user_id(); |
| 446 |
if ($currentUserId !== $bookingUserId && !current_user_can('manage_options')) { |
| 447 |
return new WP_Error('forbidden', __('You do not have permission to pay for this booking.', 'yatra'), ['status' => 403]); |
| 448 |
} |
| 449 |
} |
| 450 |
|
| 451 |
// Reject already-paid bookings to prevent duplicate intents. |
| 452 |
if (isset($booking->payment_status) && $booking->payment_status === 'paid') { |
| 453 |
return new WP_Error('already_paid', __('This booking is already fully paid.', 'yatra'), ['status' => 400]); |
| 454 |
} |
| 455 |
|
| 456 |
// Server-authoritative amount/currency. Use amount_due, falling back to total - paid for older rows. |
| 457 |
$serverAmount = (float) ($booking->amount_due ?? ($booking->total_amount - $booking->amount_paid)); |
| 458 |
$serverCurrency = (string) ($booking->currency ?? get_option('yatra_currency', 'USD')); |
| 459 |
|
| 460 |
if ($serverAmount <= 0) { |
| 461 |
return new WP_Error('no_balance_due', __('This booking has no outstanding balance.', 'yatra'), ['status' => 400]); |
| 462 |
} |
| 463 |
|
| 464 |
// Tolerate sub-cent rounding drift only. |
| 465 |
if (abs($paymentData['amount'] - $serverAmount) > 0.01) { |
| 466 |
$this->log_amount_mismatch((int) $booking->id, $paymentData['amount'], $serverAmount); |
| 467 |
} |
| 468 |
|
| 469 |
// Always overwrite with server values regardless of what the client sent. |
| 470 |
$paymentData['amount'] = $serverAmount; |
| 471 |
$paymentData['currency'] = $serverCurrency; |
| 472 |
$paymentData['reference'] = $booking->reference ?? ''; |
| 473 |
$paymentData['trip_title'] = $booking->trip_title ?? ''; |
| 474 |
if (empty($paymentData['trip_id'])) { |
| 475 |
$paymentData['trip_id'] = (int) ($booking->trip_id ?? 0); |
| 476 |
} |
| 477 |
} |
| 478 |
|
| 479 |
if (empty($paymentData['return_url'])) { |
| 480 |
$reference = $paymentData['reference'] ?? (string) $paymentData['booking_id']; |
| 481 |
$paymentData['return_url'] = add_query_arg('payment', 'success', $this->getConfirmationUrl($reference)); |
| 482 |
} |
| 483 |
|
| 484 |
$cancelParam = esc_url_raw($request->get_param('cancel_url')); |
| 485 |
// Fall back to the booking-confirmation page (always a resolvable route) rather |
| 486 |
// than `home_url('/book/?...')`, which 404s under a custom booking base/page. |
| 487 |
$cancelReference = (string) ($paymentData['reference'] ?? $paymentData['booking_id']); |
| 488 |
$paymentData['cancel_url'] = $cancelParam ?: add_query_arg('payment', 'cancelled', $this->getConfirmationUrl($cancelReference)); |
| 489 |
|
| 490 |
if ($paymentData['amount'] <= 0) { |
| 491 |
return new WP_Error('invalid_amount', __('Invalid payment amount', 'yatra'), ['status' => 400]); |
| 492 |
} |
| 493 |
|
| 494 |
$result = $this->registry->processPayment($gatewayId, $paymentData); |
| 495 |
|
| 496 |
if (!$result['success']) { |
| 497 |
$errorMessage = $result['error'] ?? $result['message'] ?? __('Payment failed', 'yatra'); |
| 498 |
return new WP_Error('payment_error', $errorMessage, ['status' => 400]); |
| 499 |
} |
| 500 |
|
| 501 |
return new WP_REST_Response($result, 200); |
| 502 |
} |
| 503 |
|
| 504 |
private function getConfirmationUrl(string $reference): string |
| 505 |
{ |
| 506 |
return yatra_get_booking_confirmation_url($reference); |
| 507 |
} |
| 508 |
|
| 509 |
/** |
| 510 |
* Record an attempted payment-amount mismatch (client sent X, server expects Y). |
| 511 |
* The transaction itself is forced to the server amount; this exists for fraud monitoring. |
| 512 |
*/ |
| 513 |
private function log_amount_mismatch(int $bookingId, float $clientAmount, float $serverAmount): void |
| 514 |
{ |
| 515 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 516 |
error_log(sprintf( |
| 517 |
'[Yatra] Payment amount mismatch for booking %d: client=%.4f server=%.4f', |
| 518 |
$bookingId, |
| 519 |
$clientAmount, |
| 520 |
$serverAmount |
| 521 |
)); |
| 522 |
} |
| 523 |
|
| 524 |
/** |
| 525 |
* Fires when a client-supplied payment amount disagrees with the server-side booking amount. |
| 526 |
* Useful for fraud-monitoring integrations. |
| 527 |
*/ |
| 528 |
do_action('yatra_payment_amount_mismatch', $bookingId, $clientAmount, $serverAmount); |
| 529 |
} |
| 530 |
|
| 531 |
/** |
| 532 |
* Confirm payment |
| 533 |
*/ |
| 534 |
public function confirm_payment(WP_REST_Request $request) |
| 535 |
{ |
| 536 |
$gatewayId = sanitize_text_field($request->get_param('gateway')); |
| 537 |
$transactionId = sanitize_text_field($request->get_param('transaction_id')); |
| 538 |
$bookingId = (int) $request->get_param('booking_id'); |
| 539 |
$saveCard = !empty($request->get_param('save_card')); |
| 540 |
|
| 541 |
$gateway = $this->registry->get($gatewayId); |
| 542 |
if (!$gateway) { |
| 543 |
return new WP_Error('invalid_gateway', __('Gateway not found', 'yatra'), ['status' => 404]); |
| 544 |
} |
| 545 |
|
| 546 |
// Offline gateways (Bank Transfer, Pay Later) settle out of band and take |
| 547 |
// no money at checkout. They must NEVER be auto-completed through this |
| 548 |
// endpoint — doing so marks the booking paid + records a "completed" |
| 549 |
// payment before any funds have arrived. Confirmation is a manual admin |
| 550 |
// action once the operator sees the money. Guard here as well as in the |
| 551 |
// gateways' verifyPayment() so a future offline gateway can't regress. |
| 552 |
if ($gateway->isOffline()) { |
| 553 |
return new WP_Error( |
| 554 |
'offline_gateway_manual', |
| 555 |
__('This payment method is settled manually and cannot be confirmed automatically.', 'yatra'), |
| 556 |
['status' => 400] |
| 557 |
); |
| 558 |
} |
| 559 |
|
| 560 |
if ($bookingId <= 0 || $transactionId === '') { |
| 561 |
return new WP_Error('invalid_request', __('booking_id and transaction_id are required.', 'yatra'), ['status' => 400]); |
| 562 |
} |
| 563 |
|
| 564 |
// Resolve the booking up front so we can enforce ownership BEFORE confirming a charge against it. |
| 565 |
// Without this check, an anonymous attacker could mark booking B as paid by replaying a successful |
| 566 |
// transaction_id that actually belongs to booking A. |
| 567 |
$booking = $this->bookingRepository->find($bookingId); |
| 568 |
if (!$booking) { |
| 569 |
return new WP_Error('booking_not_found', __('Booking not found.', 'yatra'), ['status' => 404]); |
| 570 |
} |
| 571 |
|
| 572 |
$bookingUserId = (int) ($booking->user_id ?? 0); |
| 573 |
if ($bookingUserId > 0) { |
| 574 |
$currentUserId = (int) get_current_user_id(); |
| 575 |
if ($currentUserId !== $bookingUserId && !current_user_can('manage_options')) { |
| 576 |
return new WP_Error('forbidden', __('You do not have permission to confirm this payment.', 'yatra'), ['status' => 403]); |
| 577 |
} |
| 578 |
} |
| 579 |
|
| 580 |
// Idempotency: if we have already recorded this transaction, return the cached verification result |
| 581 |
// without re-applying the payment. Prevents duplicate ledger rows and double-confirmed bookings |
| 582 |
// when the user reloads the confirmation page. |
| 583 |
$existing = $this->paymentRepository->findByTransactionId($transactionId); |
| 584 |
if ($existing && (int) ($existing->booking_id ?? 0) === $bookingId) { |
| 585 |
return new WP_REST_Response([ |
| 586 |
'success' => true, |
| 587 |
'status' => $existing->status ?? 'completed', |
| 588 |
'amount' => (float) ($existing->amount ?? 0), |
| 589 |
'currency' => $existing->currency ?? null, |
| 590 |
'transaction_id' => $transactionId, |
| 591 |
'idempotent' => true, |
| 592 |
], 200); |
| 593 |
} |
| 594 |
|
| 595 |
// If a payment with this transaction id is already attached to a DIFFERENT booking, refuse — |
| 596 |
// someone is trying to reuse a stranger's transaction to pay their own booking. |
| 597 |
if ($existing && (int) ($existing->booking_id ?? 0) !== $bookingId) { |
| 598 |
return new WP_Error('transaction_mismatch', __('Transaction does not belong to this booking.', 'yatra'), ['status' => 409]); |
| 599 |
} |
| 600 |
|
| 601 |
$result = $gateway->verifyPayment($transactionId); |
| 602 |
|
| 603 |
if ($result['success']) { |
| 604 |
// Get customer and payment method from result |
| 605 |
$customerId = $result['customer_id'] ?? null; |
| 606 |
$paymentMethodId = $result['payment_method_id'] ?? $result['token_id'] ?? $result['vault_id'] ?? null; |
| 607 |
|
| 608 |
$passForSchedule = (bool) apply_filters( |
| 609 |
'yatra_pass_gateway_ids_for_scheduled_payments', |
| 610 |
$saveCard, |
| 611 |
$result, |
| 612 |
$bookingId |
| 613 |
); |
| 614 |
|
| 615 |
$this->handle_successful_payment( |
| 616 |
$bookingId, |
| 617 |
$gatewayId, |
| 618 |
$transactionId, |
| 619 |
$result['amount'] ?? null, |
| 620 |
$result['currency'] ?? null, |
| 621 |
($saveCard || $passForSchedule) ? $customerId : null, |
| 622 |
($saveCard || $passForSchedule) ? $paymentMethodId : null |
| 623 |
); |
| 624 |
} |
| 625 |
|
| 626 |
return new WP_REST_Response($result, 200); |
| 627 |
} |
| 628 |
|
| 629 |
/** |
| 630 |
* Handle webhook |
| 631 |
*/ |
| 632 |
public function handle_webhook(WP_REST_Request $request) |
| 633 |
{ |
| 634 |
$gatewayId = $request->get_param('gateway'); |
| 635 |
$gateway = $this->registry->get($gatewayId); |
| 636 |
|
| 637 |
if (!$gateway) { |
| 638 |
return new WP_Error('invalid_gateway', __('Gateway not found', 'yatra'), ['status' => 404]); |
| 639 |
} |
| 640 |
|
| 641 |
$data = $request->get_json_params() ?: []; |
| 642 |
$data['raw_body'] = $request->get_body(); |
| 643 |
$data['headers'] = $request->get_headers(); |
| 644 |
$data['post_data'] = $request->get_body_params(); // For form-encoded data (like PayPal IPN) |
| 645 |
|
| 646 |
$result = $gateway->handleWebhook($data); |
| 647 |
|
| 648 |
return new WP_REST_Response($result, 200); |
| 649 |
} |
| 650 |
|
| 651 |
/** |
| 652 |
* Handle callback (for redirect-based payments) |
| 653 |
*/ |
| 654 |
public function handle_callback(WP_REST_Request $request): void |
| 655 |
{ |
| 656 |
$gatewayId = $request->get_param('gateway'); |
| 657 |
$bookingId = (int) $request->get_param('booking_id'); |
| 658 |
$status = $request->get_param('status'); |
| 659 |
|
| 660 |
$gateway = $this->registry->get($gatewayId); |
| 661 |
|
| 662 |
if (!$gateway) { |
| 663 |
wp_redirect(home_url('/booking-failed/')); |
| 664 |
exit; |
| 665 |
} |
| 666 |
|
| 667 |
// Offline gateways never redirect here, and must never be auto-completed: |
| 668 |
// they settle out of band and are confirmed manually by the operator. |
| 669 |
// Bounce a spoofed `?status=success` callback to the confirmation page |
| 670 |
// (still pending) rather than recording a payment that never happened. |
| 671 |
if ($gateway->isOffline()) { |
| 672 |
wp_redirect(yatra_get_booking_confirmation_url($bookingId > 0 ? (string) $bookingId : '')); |
| 673 |
exit; |
| 674 |
} |
| 675 |
|
| 676 |
// Get transaction ID from request (varies by gateway) |
| 677 |
$transactionId = $request->get_param('refId') |
| 678 |
?? $request->get_param('pidx') |
| 679 |
?? $request->get_param('transaction_id') |
| 680 |
?? ''; |
| 681 |
|
| 682 |
if ($status === 'success' && !empty($transactionId)) { |
| 683 |
$result = $gateway->verifyPayment($transactionId); |
| 684 |
|
| 685 |
if ($result['success']) { |
| 686 |
$this->handle_successful_payment($bookingId, $gatewayId, $transactionId); |
| 687 |
wp_redirect(home_url('/booking-success/?booking_id=' . $bookingId)); |
| 688 |
exit; |
| 689 |
} |
| 690 |
} |
| 691 |
|
| 692 |
wp_redirect(home_url('/booking-failed/')); |
| 693 |
exit; |
| 694 |
} |
| 695 |
|
| 696 |
/** |
| 697 |
* Get payment status |
| 698 |
* |
| 699 |
* Endpoint is public (`__return_true` permission) so guest checkouts can poll. Authorisation |
| 700 |
* is enforced inline: registered-user bookings require the owning user (or an admin); guest |
| 701 |
* bookings additionally require a matching short-lived booking_token transient so a stranger |
| 702 |
* can't enumerate booking IDs to harvest payment metadata. |
| 703 |
*/ |
| 704 |
public function get_payment_status(WP_REST_Request $request) |
| 705 |
{ |
| 706 |
$bookingId = (int) $request->get_param('booking_id'); |
| 707 |
$bookingToken = sanitize_text_field((string) ($request->get_param('booking_token') ?? '')); |
| 708 |
|
| 709 |
if ($bookingId <= 0) { |
| 710 |
return new WP_Error('invalid_booking', __('Invalid booking ID.', 'yatra'), ['status' => 400]); |
| 711 |
} |
| 712 |
|
| 713 |
$payment = $this->paymentRepository->findLatestByBookingId($bookingId); |
| 714 |
|
| 715 |
if (!$payment) { |
| 716 |
return new WP_Error('payment_not_found', __('Payment not found', 'yatra'), ['status' => 404]); |
| 717 |
} |
| 718 |
|
| 719 |
$booking = $this->bookingRepository->find($bookingId); |
| 720 |
$bookingUserId = $booking ? (int) ($booking->user_id ?? 0) : 0; |
| 721 |
$currentUserId = (int) get_current_user_id(); |
| 722 |
$authorised = false; |
| 723 |
|
| 724 |
if (current_user_can('manage_options')) { |
| 725 |
$authorised = true; |
| 726 |
} elseif ($bookingUserId > 0 && $currentUserId === $bookingUserId) { |
| 727 |
$authorised = true; |
| 728 |
} elseif ($bookingUserId === 0 && $bookingToken !== '') { |
| 729 |
// Guest booking: require the booking-session transient to prove the requester is the |
| 730 |
// browser that started this checkout. |
| 731 |
$session = get_transient($bookingToken); |
| 732 |
if (is_array($session) && (int) ($session['booking_id'] ?? 0) === $bookingId) { |
| 733 |
$authorised = true; |
| 734 |
} |
| 735 |
} |
| 736 |
|
| 737 |
if (!$authorised) { |
| 738 |
if ($currentUserId > 0) { |
| 739 |
return new WP_Error('forbidden', __('You do not have permission to view this payment.', 'yatra'), ['status' => 403]); |
| 740 |
} |
| 741 |
return new WP_Error('unauthorized', __('Authentication required.', 'yatra'), ['status' => 401]); |
| 742 |
} |
| 743 |
|
| 744 |
return new WP_REST_Response([ |
| 745 |
'status' => $payment->status, |
| 746 |
'amount' => (float) $payment->amount, |
| 747 |
'currency' => $payment->currency, |
| 748 |
'gateway' => $payment->payment_gateway ?? $payment->gateway ?? '', |
| 749 |
'transaction_id' => $payment->transaction_id, |
| 750 |
'created_at' => $payment->created_at, |
| 751 |
], 200); |
| 752 |
} |
| 753 |
|
| 754 |
/** |
| 755 |
* Record a completed charge against an existing booking (initial or remaining balance). |
| 756 |
* Does not create bookings — only PaymentRepository::create + booking amount/status updates. |
| 757 |
*/ |
| 758 |
private function handle_successful_payment( |
| 759 |
int $bookingId, |
| 760 |
string $gateway, |
| 761 |
string $transactionId, |
| 762 |
?float $amount = null, |
| 763 |
?string $currency = null, |
| 764 |
?string $customerId = null, |
| 765 |
?string $paymentMethodId = null |
| 766 |
): void { |
| 767 |
if ($bookingId <= 0) { |
| 768 |
return; |
| 769 |
} |
| 770 |
|
| 771 |
// Get booking details |
| 772 |
$booking = $this->bookingRepository->find($bookingId); |
| 773 |
|
| 774 |
if (!$booking) { |
| 775 |
return; |
| 776 |
} |
| 777 |
|
| 778 |
$paid_amount = $amount ?? (float) $booking->amount_due; |
| 779 |
$payment_currency = $currency ?? $booking->currency; |
| 780 |
|
| 781 |
// Idempotency guard: skip if we have already recorded this gateway transaction for this booking. |
| 782 |
// Prevents double-applied payments when both confirm_payment and the gateway's own return-handler |
| 783 |
// (or a webhook) fire for the same charge. |
| 784 |
if ($transactionId !== '') { |
| 785 |
$existing = $this->paymentRepository->findByTransactionId($transactionId); |
| 786 |
if ($existing && (int) ($existing->booking_id ?? 0) === $bookingId) { |
| 787 |
return; |
| 788 |
} |
| 789 |
} |
| 790 |
|
| 791 |
$payment_data = [ |
| 792 |
'booking_id' => $bookingId, |
| 793 |
'gateway' => $gateway, |
| 794 |
'transaction_id' => $transactionId, |
| 795 |
'amount' => $paid_amount, |
| 796 |
'currency' => $payment_currency, |
| 797 |
'status' => 'completed', |
| 798 |
'customer_id' => $booking->customer_id ? (int) $booking->customer_id : null, |
| 799 |
]; |
| 800 |
|
| 801 |
// Create or update payment record |
| 802 |
$this->paymentRepository->create($payment_data); |
| 803 |
|
| 804 |
// Calculate new amounts |
| 805 |
$new_amount_paid = (float) $booking->amount_paid + $paid_amount; |
| 806 |
$new_amount_due = max(0, (float) $booking->total_amount - $new_amount_paid); |
| 807 |
|
| 808 |
// Determine payment status |
| 809 |
$payment_status = 'paid'; |
| 810 |
if ($new_amount_due > 0) { |
| 811 |
$payment_status = 'partial'; |
| 812 |
} |
| 813 |
|
| 814 |
$previousBookingStatus = (string) ($booking->status ?? 'pending'); |
| 815 |
|
| 816 |
// Only auto-confirm when the operator allows it (or the booking is now |
| 817 |
// fully paid). A deposit / partial payment leaves the booking pending |
| 818 |
// when "Auto-Confirm Bookings" is off, for the operator to confirm. |
| 819 |
$should_confirm = \yatra_should_confirm_booking_on_payment($new_amount_due <= 0, $bookingId); |
| 820 |
|
| 821 |
// Update booking |
| 822 |
$booking_update = [ |
| 823 |
'amount_paid' => $new_amount_paid, |
| 824 |
'amount_due' => $new_amount_due, |
| 825 |
'payment_status' => $payment_status, |
| 826 |
]; |
| 827 |
if ($should_confirm) { |
| 828 |
$booking_update['status'] = 'confirmed'; |
| 829 |
} |
| 830 |
$this->bookingRepository->update($bookingId, $booking_update); |
| 831 |
|
| 832 |
if ($should_confirm) { |
| 833 |
\yatra_trigger_booking_confirmed($bookingId, $previousBookingStatus); |
| 834 |
} |
| 835 |
|
| 836 |
// Clear remaining payment session if this was a remaining payment |
| 837 |
if (function_exists('yatra_has_remaining_session') && yatra_has_remaining_session()) { |
| 838 |
yatra_clear_remaining_session(); |
| 839 |
} |
| 840 |
|
| 841 |
do_action('yatra_payment_completed', $bookingId, $gateway, $transactionId, [ |
| 842 |
'amount' => $paid_amount, |
| 843 |
'remaining' => $new_amount_due, |
| 844 |
'customer_id' => $customerId, |
| 845 |
'payment_method_id' => $paymentMethodId, |
| 846 |
]); |
| 847 |
} |
| 848 |
|
| 849 |
/** |
| 850 |
* Download invoice PDF for a payment |
| 851 |
*/ |
| 852 |
public function download_invoice(WP_REST_Request $request) |
| 853 |
{ |
| 854 |
$paymentId = (int) $request->get_param('payment_id'); |
| 855 |
$isPreview = $request->get_param('preview') === '1'; |
| 856 |
$isDownload = $request->get_param('download') === '1'; |
| 857 |
$bookingToken = sanitize_text_field((string) ($request->get_param('booking_token') ?? '')); |
| 858 |
$invoiceToken = sanitize_text_field((string) ($request->get_param('invoice_token') ?? '')); |
| 859 |
|
| 860 |
if ($paymentId <= 0) { |
| 861 |
return new WP_Error('invalid_payment', __('Invalid payment ID.', 'yatra'), ['status' => 400]); |
| 862 |
} |
| 863 |
|
| 864 |
// Get payment with booking details |
| 865 |
$payment = $this->paymentRepository->findWithBooking($paymentId); |
| 866 |
|
| 867 |
if (!$payment) { |
| 868 |
return new WP_Error('payment_not_found', __('Payment not found.', 'yatra'), ['status' => 404]); |
| 869 |
} |
| 870 |
|
| 871 |
// Authorisation: |
| 872 |
// 1. Administrators can always access (no further checks). |
| 873 |
// 2. Logged-in owner of the booking can access. |
| 874 |
// 3. Anyone with a valid signed `invoice_token` (HMAC) can access — used on the |
| 875 |
// booking-confirmation page so guest checkouts and post-session views work. |
| 876 |
// 4. Legacy guest path: `booking_token` (active checkout transient) — kept for BC. |
| 877 |
$currentUserId = (int) get_current_user_id(); |
| 878 |
$bookingUserId = (int) ($payment->booking_user_id ?? $payment->user_id ?? 0); |
| 879 |
$paymentBookingId = (int) ($payment->booking_id ?? 0); |
| 880 |
$isAdmin = current_user_can('manage_options'); |
| 881 |
$authorised = false; |
| 882 |
|
| 883 |
if ($isAdmin) { |
| 884 |
$authorised = true; |
| 885 |
} elseif ($currentUserId && $bookingUserId && $currentUserId === $bookingUserId) { |
| 886 |
$authorised = true; |
| 887 |
} elseif ($invoiceToken !== '' && self::verifyInvoiceToken($invoiceToken, (int) $payment->id, $paymentBookingId)) { |
| 888 |
$authorised = true; |
| 889 |
} elseif ($bookingToken !== '') { |
| 890 |
$guestEnabled = (bool) SettingsService::get('allow_guest_checkout', true); |
| 891 |
if ($guestEnabled) { |
| 892 |
$session = get_transient($bookingToken); |
| 893 |
if (is_array($session)) { |
| 894 |
$sessionBookingId = (int) ($session['booking_id'] ?? 0); |
| 895 |
if ($sessionBookingId > 0 && $paymentBookingId > 0 && $sessionBookingId === $paymentBookingId) { |
| 896 |
$authorised = true; |
| 897 |
} |
| 898 |
} |
| 899 |
} |
| 900 |
} |
| 901 |
|
| 902 |
if (!$authorised) { |
| 903 |
if ($currentUserId) { |
| 904 |
return new WP_Error('forbidden', __('You do not have permission to access this invoice.', 'yatra'), ['status' => 403]); |
| 905 |
} |
| 906 |
return new WP_Error('unauthorized', __('You must be logged in to download invoices.', 'yatra'), ['status' => 401]); |
| 907 |
} |
| 908 |
|
| 909 |
// Get trip details if available |
| 910 |
$trip = null; |
| 911 |
if (!empty($payment->trip_id)) { |
| 912 |
$trip = $this->tripRepository->find((int) $payment->trip_id); |
| 913 |
} |
| 914 |
|
| 915 |
// Get company settings |
| 916 |
$companyName = SettingsService::get('company_name', get_bloginfo('name')); |
| 917 |
$companyAddress = SettingsService::get('company_address', ''); |
| 918 |
$companyEmail = SettingsService::get('company_email', get_option('admin_email')); |
| 919 |
$companyPhone = SettingsService::get('company_phone', ''); |
| 920 |
$currency = SettingsService::getCurrency(); |
| 921 |
$currencySymbol = FormatHelper::getCurrencySymbol($currency); |
| 922 |
|
| 923 |
// Format dates |
| 924 |
$paymentDate = !empty($payment->created_at) ? date_i18n(get_option('date_format'), strtotime($payment->created_at)) : ''; |
| 925 |
$travelDate = !empty($payment->travel_date) ? date_i18n(get_option('date_format'), strtotime($payment->travel_date)) : ''; |
| 926 |
|
| 927 |
|
| 928 |
$bookingRef = (string) ($payment->booking_reference ?? $payment->booking_number ?? $payment->reference ?? (string) $paymentId); |
| 929 |
$filename = 'Invoice #' . $bookingRef . '.pdf'; |
| 930 |
|
| 931 |
|
| 932 |
$pdfService = new PdfService(); |
| 933 |
if (!$pdfService->isAvailable()) { |
| 934 |
return new WP_Error( |
| 935 |
'pdf_engine_missing', |
| 936 |
__('Invoice PDF generator is not installed. Please run composer install to install dompdf/dompdf.', 'yatra'), |
| 937 |
['status' => 500] |
| 938 |
); |
| 939 |
} |
| 940 |
|
| 941 |
// Get tax breakdown for invoice |
| 942 |
$tax_breakdown = []; |
| 943 |
$tax_amount = 0; |
| 944 |
$subtotal = (float) ($payment->booking_total_amount ?? $payment->amount ?? 0); |
| 945 |
|
| 946 |
if (!empty($payment->tax_details)) { |
| 947 |
$taxes = json_decode($payment->tax_details, true) ?: []; |
| 948 |
foreach ($taxes as $tax) { |
| 949 |
$tax_amount += (float) ($tax['amount'] ?? 0); |
| 950 |
$tax_breakdown[] = [ |
| 951 |
'name' => $tax['name'] ?? 'Tax', |
| 952 |
'rate' => $tax['rate'] ?? 0, |
| 953 |
// Pre-formatted like every other invoice figure, so the tax |
| 954 |
// rows honour the configured separators and symbol position. |
| 955 |
'amount' => yatra_format_price((float) ($tax['amount'] ?? 0), $currency, false) |
| 956 |
]; |
| 957 |
} |
| 958 |
// Adjust subtotal for tax-exclusive pricing |
| 959 |
if (!empty($payment->tax_inclusive) && $payment->tax_inclusive) { |
| 960 |
$subtotal = (float) ($payment->subtotal ?? $subtotal); |
| 961 |
} |
| 962 |
} elseif (!empty($payment->tax_amount) && $payment->tax_amount > 0) { |
| 963 |
// Single tax fallback |
| 964 |
$tax_amount = (float) $payment->tax_amount; |
| 965 |
$tax_breakdown[] = [ |
| 966 |
'name' => __('Tax', 'yatra'), |
| 967 |
'rate' => (float) ($payment->tax_rate ?? 0), |
| 968 |
'amount' => yatra_format_price((float) $tax_amount, $currency, false) |
| 969 |
]; |
| 970 |
// Adjust subtotal for tax-exclusive pricing |
| 971 |
if (!empty($payment->tax_inclusive) && $payment->tax_inclusive) { |
| 972 |
$subtotal = (float) ($payment->subtotal ?? $subtotal); |
| 973 |
} else { |
| 974 |
$subtotal = (float) ($payment->subtotal ?? ($subtotal - $tax_amount)); |
| 975 |
} |
| 976 |
} |
| 977 |
|
| 978 |
$templateData = [ |
| 979 |
'company_name' => $companyName, |
| 980 |
'company_address' => $companyAddress, |
| 981 |
'company_address_lines' => \Yatra\Helpers\FormatHelper::companyAddressLines(), |
| 982 |
'company_email' => $companyEmail, |
| 983 |
'company_phone' => $companyPhone, |
| 984 |
'customer_name' => trim(($payment->contact_first_name ?? '') . ' ' . ($payment->contact_last_name ?? '')) ?: ($payment->customer_name ?? __('Customer', 'yatra')), |
| 985 |
'customer_email' => $payment->contact_email ?? $payment->customer_email ?? '', |
| 986 |
'customer_address_lines' => FormatHelper::customerAddressLines($payment), |
| 987 |
// The booking_payments table has no `reference` column — the payment |
| 988 |
// reference is a derived value. Mirror PaymentService::formatPayment |
| 989 |
// (`PAY-%06d`, the same string the React account page shows) so the |
| 990 |
// invoice's "Invoice #" is populated and consistent, instead of blank. |
| 991 |
// A real stored reference (if a future join ever provides one) still wins. |
| 992 |
'payment_ref' => (isset($payment->reference) && (string) $payment->reference !== '') |
| 993 |
? (string) $payment->reference |
| 994 |
: sprintf('PAY-%06d', (int) ($payment->id ?? 0)), |
| 995 |
'payment_date' => $paymentDate, |
| 996 |
'payment_status' => ucfirst($payment->status ?? 'paid'), |
| 997 |
'status_class' => in_array(strtolower((string) ($payment->status ?? '')), ['paid', 'completed', 'success'], true) ? 'paid' : 'pending', |
| 998 |
'trip_title' => $trip->title ?? $payment->trip_title ?? __('Trip Booking', 'yatra'), |
| 999 |
'payment_method' => ucfirst($payment->gateway ?? $payment->payment_method ?? 'Online'), |
| 1000 |
// Booking-only fallback chain (never a payment identifier) so the |
| 1001 |
// invoice number always resolves to the booking reference. |
| 1002 |
'booking_ref' => $payment->booking_reference ?? $payment->booking_number ?? (string) ($payment->booking_id ?? ''), |
| 1003 |
'travel_date' => $travelDate, |
| 1004 |
'currency_symbol' => $currencySymbol, |
| 1005 |
'amount' => yatra_format_price((float) ($payment->amount ?? 0), $currency, false), |
| 1006 |
'booking_total' => yatra_format_price((float) ($payment->booking_total_amount ?? $payment->amount ?? 0), $currency, false), |
| 1007 |
'amount_paid' => yatra_format_price((float) ($payment->booking_amount_paid ?? $payment->amount ?? 0), $currency, false), |
| 1008 |
'amount_due' => yatra_format_price((float) ($payment->booking_amount_due ?? 0), $currency, false), |
| 1009 |
'tax_breakdown' => $tax_breakdown, |
| 1010 |
'tax_amount' => yatra_format_price((float) $tax_amount, $currency, false), |
| 1011 |
'subtotal' => yatra_format_price((float) $subtotal, $currency, false), |
| 1012 |
]; |
| 1013 |
|
| 1014 |
$pdfBinary = $pdfService->renderTemplateToPdfSafely('pdf/invoice.php', $templateData, [ |
| 1015 |
'paper' => 'A4', |
| 1016 |
'orientation' => 'portrait', |
| 1017 |
'default_font' => 'DejaVu Sans', |
| 1018 |
]); |
| 1019 |
|
| 1020 |
if ($isPreview) { |
| 1021 |
// For preview, return PDF as inline display |
| 1022 |
return new WP_REST_Response([ |
| 1023 |
'success' => true, |
| 1024 |
'pdf_data' => base64_encode($pdfBinary), |
| 1025 |
'filename' => $filename, |
| 1026 |
]); |
| 1027 |
} else { |
| 1028 |
// For download, output PDF as download |
| 1029 |
$pdfService->outputPdfDownload($pdfBinary, $filename); |
| 1030 |
exit; |
| 1031 |
} |
| 1032 |
} |
| 1033 |
|
| 1034 |
/** |
| 1035 |
* Download a PRO-FORMA invoice for a booking that has no payment yet |
| 1036 |
* (offline gateways such as Bank Transfer). Shows the amount due and any |
| 1037 |
* gateway-supplied payment instructions (via yatra_invoice_payment_instructions) |
| 1038 |
* so the customer knows how to pay. Renders the same pdf/invoice.php template. |
| 1039 |
*/ |
| 1040 |
public function download_booking_invoice(WP_REST_Request $request) |
| 1041 |
{ |
| 1042 |
$bookingId = (int) $request->get_param('booking_id'); |
| 1043 |
$isPreview = $request->get_param('preview') === '1'; |
| 1044 |
$bookingToken = sanitize_text_field((string) ($request->get_param('booking_token') ?? '')); |
| 1045 |
$invoiceToken = sanitize_text_field((string) ($request->get_param('invoice_token') ?? '')); |
| 1046 |
|
| 1047 |
if ($bookingId <= 0) { |
| 1048 |
return new WP_Error('invalid_booking', __('Invalid booking ID.', 'yatra'), ['status' => 400]); |
| 1049 |
} |
| 1050 |
|
| 1051 |
$bookingRepository = new \Yatra\Repositories\BookingRepository(); |
| 1052 |
$booking = $bookingRepository->find($bookingId); |
| 1053 |
if (!$booking) { |
| 1054 |
return new WP_Error('booking_not_found', __('Booking not found.', 'yatra'), ['status' => 404]); |
| 1055 |
} |
| 1056 |
|
| 1057 |
// Authorisation mirrors download_invoice: admin -> owner -> signed |
| 1058 |
// booking-scoped invoice_token (paymentId 0) -> guest booking_token. |
| 1059 |
$currentUserId = (int) get_current_user_id(); |
| 1060 |
$bookingUserId = (int) ($booking->user_id ?? 0); |
| 1061 |
$authorised = false; |
| 1062 |
if (current_user_can('manage_options')) { |
| 1063 |
$authorised = true; |
| 1064 |
} elseif ($currentUserId && $bookingUserId && $currentUserId === $bookingUserId) { |
| 1065 |
$authorised = true; |
| 1066 |
} elseif ($invoiceToken !== '' && self::verifyInvoiceToken($invoiceToken, 0, $bookingId)) { |
| 1067 |
$authorised = true; |
| 1068 |
} elseif ($bookingToken !== '' && (bool) SettingsService::get('allow_guest_checkout', true)) { |
| 1069 |
$session = get_transient($bookingToken); |
| 1070 |
if (is_array($session) && (int) ($session['booking_id'] ?? 0) === $bookingId) { |
| 1071 |
$authorised = true; |
| 1072 |
} |
| 1073 |
} |
| 1074 |
if (!$authorised) { |
| 1075 |
return $currentUserId |
| 1076 |
? new WP_Error('forbidden', __('You do not have permission to access this invoice.', 'yatra'), ['status' => 403]) |
| 1077 |
: new WP_Error('unauthorized', __('You must be logged in to download invoices.', 'yatra'), ['status' => 401]); |
| 1078 |
} |
| 1079 |
|
| 1080 |
$pdfService = new PdfService(); |
| 1081 |
if (!$pdfService->isAvailable()) { |
| 1082 |
return new WP_Error('pdf_engine_missing', __('Invoice PDF generator is not installed. Please run composer install to install dompdf/dompdf.', 'yatra'), ['status' => 500]); |
| 1083 |
} |
| 1084 |
|
| 1085 |
$trip = !empty($booking->trip_id) ? $this->tripRepository->find((int) $booking->trip_id) : null; |
| 1086 |
|
| 1087 |
$currency = SettingsService::getCurrency(); |
| 1088 |
$currencySymbol = FormatHelper::getCurrencySymbol($currency); |
| 1089 |
$bookingRef = (string) ($booking->reference ?? $booking->booking_number ?? (string) $bookingId); |
| 1090 |
$filename = 'Invoice #' . $bookingRef . '.pdf'; |
| 1091 |
$travelDate = !empty($booking->travel_date) ? date_i18n(get_option('date_format'), strtotime((string) $booking->travel_date)) : ''; |
| 1092 |
|
| 1093 |
$total = (float) ($booking->total_amount ?? 0); |
| 1094 |
$paid = (float) ($booking->amount_paid ?? 0); |
| 1095 |
$due = (float) ($booking->amount_due ?? max(0.0, $total - $paid)); |
| 1096 |
|
| 1097 |
// Gateway-supplied payment instructions (Bank Transfer fills this in Pro). |
| 1098 |
$paymentInstructions = apply_filters('yatra_invoice_payment_instructions', [], $booking); |
| 1099 |
|
| 1100 |
$templateData = [ |
| 1101 |
'company_name' => SettingsService::get('company_name', get_bloginfo('name')), |
| 1102 |
'company_address' => SettingsService::get('company_address', ''), |
| 1103 |
'company_address_lines' => \Yatra\Helpers\FormatHelper::companyAddressLines(), |
| 1104 |
'company_email' => SettingsService::get('company_email', get_option('admin_email')), |
| 1105 |
'company_phone' => SettingsService::get('company_phone', ''), |
| 1106 |
'customer_name' => trim(($booking->contact_first_name ?? '') . ' ' . ($booking->contact_last_name ?? '')) ?: __('Customer', 'yatra'), |
| 1107 |
'customer_email' => $booking->contact_email ?? '', |
| 1108 |
'customer_address_lines' => FormatHelper::customerAddressLines($booking), |
| 1109 |
'payment_ref' => $bookingRef, |
| 1110 |
'payment_date' => !empty($booking->created_at) ? date_i18n(get_option('date_format'), strtotime((string) $booking->created_at)) : '', |
| 1111 |
// Reflect the booking's real payment state rather than a fixed |
| 1112 |
// "Payment Pending" — a deposit-paid booking is Partially Paid. |
| 1113 |
'payment_status' => $due <= 0.0 |
| 1114 |
? __('Paid', 'yatra') |
| 1115 |
: ($paid > 0.0 ? __('Partially Paid', 'yatra') : __('Payment Pending', 'yatra')), |
| 1116 |
'status_class' => $due <= 0.0 ? 'paid' : ($paid > 0.0 ? 'partial' : 'pending'), |
| 1117 |
'trip_title' => $trip->title ?? $booking->trip_title ?? __('Trip Booking', 'yatra'), |
| 1118 |
'payment_method' => ucwords(str_replace('_', ' ', (string) ($booking->payment_gateway ?? 'offline'))), |
| 1119 |
'booking_ref' => $bookingRef, |
| 1120 |
'travel_date' => $travelDate, |
| 1121 |
'currency_symbol' => $currencySymbol, |
| 1122 |
'amount' => yatra_format_price((float) $due, $currency, false), |
| 1123 |
'booking_total' => yatra_format_price((float) $total, $currency, false), |
| 1124 |
'amount_paid' => yatra_format_price((float) $paid, $currency, false), |
| 1125 |
'amount_due' => yatra_format_price((float) $due, $currency, false), |
| 1126 |
'tax_breakdown' => [], |
| 1127 |
'tax_amount' => yatra_format_price(0.0, $currency, false), |
| 1128 |
'subtotal' => yatra_format_price((float) $total, $currency, false), |
| 1129 |
'payment_instructions' => is_array($paymentInstructions) ? $paymentInstructions : [], |
| 1130 |
]; |
| 1131 |
|
| 1132 |
$pdfBinary = $pdfService->renderTemplateToPdfSafely('pdf/invoice.php', $templateData, [ |
| 1133 |
'paper' => 'A4', |
| 1134 |
'orientation' => 'portrait', |
| 1135 |
'default_font' => 'DejaVu Sans', |
| 1136 |
]); |
| 1137 |
|
| 1138 |
if ($isPreview) { |
| 1139 |
return new WP_REST_Response([ |
| 1140 |
'success' => true, |
| 1141 |
'pdf_data' => base64_encode($pdfBinary), |
| 1142 |
'filename' => $filename, |
| 1143 |
]); |
| 1144 |
} |
| 1145 |
$pdfService->outputPdfDownload($pdfBinary, $filename); |
| 1146 |
exit; |
| 1147 |
} |
| 1148 |
|
| 1149 |
/** |
| 1150 |
* Download travel voucher PDF for a booking |
| 1151 |
*/ |
| 1152 |
public function download_voucher(WP_REST_Request $request) |
| 1153 |
{ |
| 1154 |
$paymentId = (int) $request->get_param('payment_id'); |
| 1155 |
$isPreview = $request->get_param('preview') === '1'; |
| 1156 |
$isDownload = $request->get_param('download') === '1'; |
| 1157 |
|
| 1158 |
if ($paymentId <= 0) { |
| 1159 |
return new WP_Error('invalid_payment', __('Invalid payment ID.', 'yatra'), ['status' => 400]); |
| 1160 |
} |
| 1161 |
|
| 1162 |
// Get payment with booking details |
| 1163 |
$payment = $this->paymentRepository->findWithBooking($paymentId); |
| 1164 |
|
| 1165 |
if (!$payment) { |
| 1166 |
return new WP_Error('payment_not_found', __('Payment not found.', 'yatra'), ['status' => 404]); |
| 1167 |
} |
| 1168 |
|
| 1169 |
// Verify user is logged in and owns this payment (or is admin) |
| 1170 |
$currentUserId = get_current_user_id(); |
| 1171 |
$bookingUserId = (int) ($payment->booking_user_id ?? $payment->user_id ?? 0); |
| 1172 |
|
| 1173 |
// Must be logged in |
| 1174 |
if (!$currentUserId) { |
| 1175 |
return new WP_Error('unauthorized', __('You must be logged in to download vouchers.', 'yatra'), ['status' => 401]); |
| 1176 |
} |
| 1177 |
|
| 1178 |
// Must own the booking or be admin |
| 1179 |
if ($bookingUserId && $currentUserId !== $bookingUserId && !current_user_can('manage_options')) { |
| 1180 |
return new WP_Error('forbidden', __('You do not have permission to access this voucher.', 'yatra'), ['status' => 403]); |
| 1181 |
} |
| 1182 |
|
| 1183 |
// Get trip details if available |
| 1184 |
$trip = null; |
| 1185 |
if (!empty($payment->trip_id)) { |
| 1186 |
$trip = $this->tripRepository->find((int) $payment->trip_id); |
| 1187 |
} |
| 1188 |
|
| 1189 |
// Get company settings |
| 1190 |
$companyName = SettingsService::get('company_name', get_bloginfo('name')); |
| 1191 |
$companyAddress = SettingsService::get('company_address', ''); |
| 1192 |
$companyEmail = SettingsService::get('company_email', get_option('admin_email')); |
| 1193 |
$companyPhone = SettingsService::get('company_phone', ''); |
| 1194 |
$currency = SettingsService::getCurrency(); |
| 1195 |
$currencySymbol = FormatHelper::getCurrencySymbol($currency); |
| 1196 |
|
| 1197 |
// Format dates |
| 1198 |
$bookingDate = !empty($payment->created_at) ? date_i18n(get_option('date_format'), strtotime($payment->created_at)) : ''; |
| 1199 |
$travelDate = !empty($payment->travel_date) ? date_i18n(get_option('date_format'), strtotime($payment->travel_date)) : ''; |
| 1200 |
|
| 1201 |
// Return date. Prefer the booking's STORED end_date — that is the actual |
| 1202 |
// booked return (it already accounts for a flexible window or a trip |
| 1203 |
// duration that changed after the booking was made). Only when no end is |
| 1204 |
// stored do we derive it from the trip duration: duration_days is |
| 1205 |
// INCLUSIVE, so the offset is (days - 1) — matching |
| 1206 |
// BookingRepository::calculateEndDate. A bare "+ duration_days" was one |
| 1207 |
// day too far (see ItineraryPdfBuilder). |
| 1208 |
$returnDate = ''; |
| 1209 |
$storedEnd = isset($payment->booking_end_date) ? (string) $payment->booking_end_date : ''; |
| 1210 |
$travelStart = (string) ($payment->travel_date ?? ''); |
| 1211 |
if ($storedEnd !== '' && ($travelStart === '' || $storedEnd >= $travelStart)) { |
| 1212 |
$returnDate = date_i18n(get_option('date_format'), strtotime($storedEnd)); |
| 1213 |
} else { |
| 1214 |
$durationDaysForReturn = (int) ($payment->trip_duration_days ?? ($trip->duration_days ?? 0)); |
| 1215 |
if (!empty($payment->travel_date) && $durationDaysForReturn > 0) { |
| 1216 |
$returnOffset = max(0, $durationDaysForReturn - 1); |
| 1217 |
$returnTimestamp = strtotime($payment->travel_date . ' +' . $returnOffset . ' days'); |
| 1218 |
$returnDate = date_i18n(get_option('date_format'), $returnTimestamp); |
| 1219 |
} |
| 1220 |
} |
| 1221 |
|
| 1222 |
$bookingRef = (string) ($payment->booking_reference ?? $payment->booking_number ?? $payment->reference ?? (string) $paymentId); |
| 1223 |
$filename = 'Travel Voucher #' . $bookingRef . '.pdf'; |
| 1224 |
|
| 1225 |
$pdfService = new PdfService(); |
| 1226 |
if (!$pdfService->isAvailable()) { |
| 1227 |
return new WP_Error( |
| 1228 |
'pdf_engine_missing', |
| 1229 |
__('Voucher PDF generator is not installed. Please run composer install to install dompdf/dompdf.', 'yatra'), |
| 1230 |
['status' => 500] |
| 1231 |
); |
| 1232 |
} |
| 1233 |
|
| 1234 |
$templateData = [ |
| 1235 |
'company_name' => $companyName, |
| 1236 |
'company_address' => $companyAddress, |
| 1237 |
'company_address_lines' => \Yatra\Helpers\FormatHelper::companyAddressLines(), |
| 1238 |
'company_email' => $companyEmail, |
| 1239 |
'company_phone' => $companyPhone, |
| 1240 |
'customer_name' => trim(($payment->contact_first_name ?? '') . ' ' . ($payment->contact_last_name ?? '')) ?: ($payment->customer_name ?? __('Customer', 'yatra')), |
| 1241 |
'customer_email' => $payment->contact_email ?? $payment->customer_email ?? '', |
| 1242 |
'customer_address_lines' => FormatHelper::customerAddressLines($payment), |
| 1243 |
'booking_ref' => $bookingRef, |
| 1244 |
'booking_date' => $bookingDate, |
| 1245 |
'booking_status' => ucfirst($payment->status ?? 'confirmed'), |
| 1246 |
'status_class' => in_array(strtolower((string) ($payment->status ?? '')), ['confirmed', 'completed', 'success'], true) ? 'confirmed' : |
| 1247 |
(in_array(strtolower((string) ($payment->status ?? '')), ['cancelled'], true) ? 'cancelled' : 'pending'), |
| 1248 |
'trip_title' => $trip ? ($trip->title ?? $payment->trip_title ?? __('Trip Booking', 'yatra')) : ($payment->trip_title ?? __('Trip Booking', 'yatra')), |
| 1249 |
// Trip duration: prefer the duration columns joined onto the payment |
| 1250 |
// row (always present, even if the trip was later soft-deleted), |
| 1251 |
// falling back to the loaded trip. There is no `duration` column. |
| 1252 |
'trip_duration' => yatra_format_duration( |
| 1253 |
(int) ($payment->trip_duration_days ?? ($trip->duration_days ?? 0)), |
| 1254 |
isset($payment->trip_duration_nights) |
| 1255 |
? (int) $payment->trip_duration_nights |
| 1256 |
: (isset($trip->duration_nights) ? (int) $trip->duration_nights : null) |
| 1257 |
), |
| 1258 |
'trip_difficulty' => $trip ? ($trip->difficulty_name ?? '') : '', |
| 1259 |
'departure_location' => $trip ? ($trip->departure_location ?? '') : '', |
| 1260 |
'destination' => $trip ? ($trip->destination ?? $payment->destination ?? '') : ($payment->destination ?? ''), |
| 1261 |
'travel_date' => $travelDate, |
| 1262 |
'return_date' => $returnDate, |
| 1263 |
'currency_symbol' => $currencySymbol, |
| 1264 |
'total_amount' => yatra_format_price((float) ($payment->booking_total_amount ?? $payment->amount ?? 0), $currency, false), |
| 1265 |
'amount_paid' => yatra_format_price((float) ($payment->booking_amount_paid ?? $payment->amount ?? 0), $currency, false), |
| 1266 |
'amount_due' => yatra_format_price((float) ($payment->booking_amount_due ?? 0), $currency, false), |
| 1267 |
'traveler_count' => (int) ($payment->traveler_count ?? 1), |
| 1268 |
]; |
| 1269 |
|
| 1270 |
$pdfBinary = $pdfService->renderTemplateToPdfSafely('pdf/voucher.php', $templateData, [ |
| 1271 |
'paper' => 'A4', |
| 1272 |
'orientation' => 'portrait', |
| 1273 |
'default_font' => 'DejaVu Sans', |
| 1274 |
]); |
| 1275 |
|
| 1276 |
if ($isPreview) { |
| 1277 |
// For preview, return PDF as inline display |
| 1278 |
return new WP_REST_Response([ |
| 1279 |
'success' => true, |
| 1280 |
'pdf_data' => base64_encode($pdfBinary), |
| 1281 |
'filename' => $filename, |
| 1282 |
]); |
| 1283 |
} else { |
| 1284 |
// For download, output PDF as download |
| 1285 |
$pdfService->outputPdfDownload($pdfBinary, $filename); |
| 1286 |
exit; |
| 1287 |
} |
| 1288 |
} |
| 1289 |
|
| 1290 |
/** |
| 1291 |
* GET /payments/{payment_id}/itinerary - Download travel itinerary for a payment |
| 1292 |
*/ |
| 1293 |
public function download_itinerary(WP_REST_Request $request) |
| 1294 |
{ |
| 1295 |
$paymentId = (int) $request->get_param('payment_id'); |
| 1296 |
$isPreview = $request->get_param('preview') === '1'; |
| 1297 |
$isDownload = $request->get_param('download') === '1'; |
| 1298 |
|
| 1299 |
if ($paymentId <= 0) { |
| 1300 |
return new WP_Error('invalid_payment', __('Invalid payment ID.', 'yatra'), ['status' => 400]); |
| 1301 |
} |
| 1302 |
|
| 1303 |
// Get payment with booking details |
| 1304 |
$payment = $this->paymentRepository->findWithBooking($paymentId); |
| 1305 |
|
| 1306 |
if (!$payment) { |
| 1307 |
return new WP_Error('payment_not_found', __('Payment not found.', 'yatra'), ['status' => 404]); |
| 1308 |
} |
| 1309 |
|
| 1310 |
// Verify user is logged in and owns this payment (or is admin) |
| 1311 |
$currentUserId = get_current_user_id(); |
| 1312 |
$bookingUserId = (int) ($payment->booking_user_id ?? $payment->user_id ?? 0); |
| 1313 |
|
| 1314 |
// Must be logged in |
| 1315 |
if (!$currentUserId) { |
| 1316 |
return new WP_Error('unauthorized', __('You must be logged in to download itineraries.', 'yatra'), ['status' => 401]); |
| 1317 |
} |
| 1318 |
|
| 1319 |
// Must own the booking or be admin |
| 1320 |
if ($bookingUserId && $currentUserId !== $bookingUserId && !current_user_can('manage_options')) { |
| 1321 |
return new WP_Error('forbidden', __('You do not have permission to access this itinerary.', 'yatra'), ['status' => 403]); |
| 1322 |
} |
| 1323 |
|
| 1324 |
// Delegate all the template-data composition + PDF rendering to |
| 1325 |
// the shared ItineraryPdfBuilder so the booking-side path |
| 1326 |
// (BookingsController::renderItineraryFromBookingData) and this |
| 1327 |
// payment-side path produce IDENTICAL PDFs from the same input. |
| 1328 |
$builder = new \Yatra\Services\ItineraryPdfBuilder(); |
| 1329 |
if (!$builder->pdfService()->isAvailable()) { |
| 1330 |
return new WP_Error( |
| 1331 |
'pdf_engine_missing', |
| 1332 |
__('Itinerary PDF generator is not installed. Please run composer install to install dompdf/dompdf.', 'yatra'), |
| 1333 |
['status' => 500] |
| 1334 |
); |
| 1335 |
} |
| 1336 |
|
| 1337 |
$bookingRef = !empty($payment->booking_id) |
| 1338 |
? 'YTR-' . strtoupper(str_pad((string) $payment->booking_id, 8, '0', STR_PAD_LEFT)) |
| 1339 |
: 'PENDING'; |
| 1340 |
$filename = 'Travel-Itinerary-' . $bookingRef . '.pdf'; |
| 1341 |
|
| 1342 |
$pdfBinary = $builder->buildFromPaymentRecord($payment); |
| 1343 |
|
| 1344 |
if ($isPreview) { |
| 1345 |
return new WP_REST_Response([ |
| 1346 |
'success' => true, |
| 1347 |
'pdf_data' => base64_encode($pdfBinary), |
| 1348 |
'filename' => $filename, |
| 1349 |
]); |
| 1350 |
} |
| 1351 |
|
| 1352 |
$builder->pdfService()->outputPdfDownload($pdfBinary, $filename); |
| 1353 |
exit; |
| 1354 |
} |
| 1355 |
|
| 1356 |
/** |
| 1357 |
* Default invoice-token TTL — 1 year. Customers download invoices |
| 1358 |
* for tax/expense reports months later, so a short TTL would hurt |
| 1359 |
* legitimate use. The TTL is still meaningful as defense-in-depth: |
| 1360 |
* a leaked link (forwarded email, posted in a help-desk ticket, |
| 1361 |
* cached by a public mail relay) eventually expires. |
| 1362 |
* |
| 1363 |
* Filterable via `yatra_invoice_token_ttl_seconds` so operators |
| 1364 |
* can tighten or loosen on a per-site basis. |
| 1365 |
*/ |
| 1366 |
private const INVOICE_TOKEN_DEFAULT_TTL = 365 * 86400; |
| 1367 |
|
| 1368 |
/** |
| 1369 |
* Issue a stateless, signed token that grants access to a single |
| 1370 |
* payment's invoice. v2 format embeds an issued-at timestamp so |
| 1371 |
* tokens have a defined expiry window — older v1 tokens (no |
| 1372 |
* expiry component) are still honored by verifyInvoiceToken() so |
| 1373 |
* pre-existing confirmation emails don't break. |
| 1374 |
* |
| 1375 |
* v2 format: `v2.<iat>.<hmac>` where hmac signs `paymentId|bookingId|iat`. |
| 1376 |
* v1 format: bare `<hmac>` over `paymentId|bookingId` (legacy). |
| 1377 |
* |
| 1378 |
* The token is bound to the payment id + booking id and signed |
| 1379 |
* with the WP auth salt, so it cannot be forged without the site |
| 1380 |
* secret. It is safe to embed in the confirmation page link so |
| 1381 |
* guests (or users who logged out after checkout) can still |
| 1382 |
* download their invoice without a session. |
| 1383 |
*/ |
| 1384 |
public static function issueInvoiceToken(int $paymentId, int $bookingId): string |
| 1385 |
{ |
| 1386 |
// $paymentId === 0 denotes a booking-scoped (pro-forma) invoice token — |
| 1387 |
// used for offline/unpaid bookings that have no payment row yet. |
| 1388 |
if ($paymentId < 0 || $bookingId <= 0) { |
| 1389 |
return ''; |
| 1390 |
} |
| 1391 |
$iat = time(); |
| 1392 |
$hmac = hash_hmac( |
| 1393 |
'sha256', |
| 1394 |
$paymentId . '|' . $bookingId . '|' . $iat, |
| 1395 |
wp_salt('auth') . '|yatra_invoice' |
| 1396 |
); |
| 1397 |
return 'v2.' . $iat . '.' . $hmac; |
| 1398 |
} |
| 1399 |
|
| 1400 |
/** |
| 1401 |
* Verify a token previously issued by self::issueInvoiceToken(). |
| 1402 |
* |
| 1403 |
* Accepts both formats: |
| 1404 |
* - v2 (`v2.<iat>.<hmac>`): validates HMAC + checks token age |
| 1405 |
* against the configured TTL. |
| 1406 |
* - v1 (bare hmac, no expiry): legacy tokens already in the |
| 1407 |
* wild via prior confirmation emails. We accept them |
| 1408 |
* indefinitely — those URLs were already issued and revoking |
| 1409 |
* them now would break existing customer bookmarks. |
| 1410 |
*/ |
| 1411 |
public static function verifyInvoiceToken(string $token, int $paymentId, int $bookingId): bool |
| 1412 |
{ |
| 1413 |
// $paymentId === 0 = booking-scoped (pro-forma) token; see issueInvoiceToken(). |
| 1414 |
if ($token === '' || $paymentId < 0 || $bookingId <= 0) { |
| 1415 |
return false; |
| 1416 |
} |
| 1417 |
|
| 1418 |
// v2 path — token starts with the version prefix. |
| 1419 |
if (strncmp($token, 'v2.', 3) === 0) { |
| 1420 |
$parts = explode('.', $token); |
| 1421 |
if (\count($parts) !== 3) return false; |
| 1422 |
$iatStr = $parts[1]; |
| 1423 |
$providedHmac = $parts[2]; |
| 1424 |
if (!ctype_digit($iatStr)) return false; |
| 1425 |
$iat = (int) $iatStr; |
| 1426 |
|
| 1427 |
$expectedHmac = hash_hmac( |
| 1428 |
'sha256', |
| 1429 |
$paymentId . '|' . $bookingId . '|' . $iat, |
| 1430 |
wp_salt('auth') . '|yatra_invoice' |
| 1431 |
); |
| 1432 |
if (!hash_equals($expectedHmac, $providedHmac)) { |
| 1433 |
return false; |
| 1434 |
} |
| 1435 |
|
| 1436 |
$ttl = (int) apply_filters( |
| 1437 |
'yatra_invoice_token_ttl_seconds', |
| 1438 |
self::INVOICE_TOKEN_DEFAULT_TTL |
| 1439 |
); |
| 1440 |
if ($ttl > 0 && (time() - $iat) > $ttl) { |
| 1441 |
return false; |
| 1442 |
} |
| 1443 |
return true; |
| 1444 |
} |
| 1445 |
|
| 1446 |
// v1 legacy path — bare HMAC over (paymentId|bookingId). |
| 1447 |
// Kept for confirmation emails already sent before the v2 |
| 1448 |
// upgrade landed. New code paths always issue v2. |
| 1449 |
$expectedLegacy = hash_hmac( |
| 1450 |
'sha256', |
| 1451 |
$paymentId . '|' . $bookingId, |
| 1452 |
wp_salt('auth') . '|yatra_invoice' |
| 1453 |
); |
| 1454 |
return hash_equals($expectedLegacy, $token); |
| 1455 |
} |
| 1456 |
} |
| 1457 |
|
