GatewayRoute.php
90 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Give\Framework\PaymentGateways\Routes; |
| 4 | |
| 5 | use Give\Framework\PaymentGateways\Contracts\OffsiteGatewayInterface; |
| 6 | use Give\Framework\PaymentGateways\DataTransferObjects\GatewayRouteData; |
| 7 | use Give\Framework\PaymentGateways\Exceptions\PaymentGatewayException; |
| 8 | use Give\Framework\PaymentGateways\PaymentGateway; |
| 9 | use Give\Framework\PaymentGateways\PaymentGatewayRegister; |
| 10 | |
| 11 | /** |
| 12 | * @since 2.18.0 |
| 13 | */ |
| 14 | class GatewayRoute |
| 15 | { |
| 16 | /** |
| 17 | * @since 2.18.0 |
| 18 | * |
| 19 | * @return void |
| 20 | * @throws PaymentGatewayException |
| 21 | */ |
| 22 | public function __invoke() |
| 23 | { |
| 24 | if ($this->isValidListener()) { |
| 25 | /** @var PaymentGatewayRegister $paymentGatewaysRegister */ |
| 26 | $paymentGatewaysRegister = give(PaymentGatewayRegister::class); |
| 27 | $paymentGateways = $paymentGatewaysRegister->getPaymentGateways(); |
| 28 | $gatewayIds = array_keys($paymentGateways); |
| 29 | |
| 30 | if (!$this->isValidRequest($gatewayIds)) { |
| 31 | throw new PaymentGatewayException('This route is not valid.'); |
| 32 | } |
| 33 | |
| 34 | $data = GatewayRouteData::fromRequest($_GET); |
| 35 | |
| 36 | /** @var PaymentGateway $gateway */ |
| 37 | $gateway = give($paymentGateways[$data->gatewayId]); |
| 38 | |
| 39 | $allowedGatewayMethods = $gateway->routeMethods; |
| 40 | |
| 41 | if (is_a($gateway, OffsiteGatewayInterface::class)) { |
| 42 | $allowedGatewayMethods = array_merge( |
| 43 | $allowedGatewayMethods, |
| 44 | OffsiteGatewayInterface::defaultRouteMethods |
| 45 | ); |
| 46 | } |
| 47 | |
| 48 | if ( |
| 49 | !in_array($data->gatewayMethod, $allowedGatewayMethods, true) || |
| 50 | !method_exists($gateway, $data->gatewayMethod) |
| 51 | ) { |
| 52 | throw new PaymentGatewayException('The gateway method does not exist.'); |
| 53 | } |
| 54 | |
| 55 | $gateway->handleGatewayRouteMethod($data->donationId, $data->gatewayMethod); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Check if the request is valid |
| 61 | * |
| 62 | * @since 2.18.0 |
| 63 | * |
| 64 | * @param array $gatewayIds |
| 65 | * |
| 66 | * @return bool |
| 67 | * @example ?give-listener=give-gateway&give-gateway-id=test-gateway&give-donation-id=1&give-gateway-method=returnFromOffsiteRedirect |
| 68 | * |
| 69 | */ |
| 70 | private function isValidRequest($gatewayIds) |
| 71 | { |
| 72 | $isset = isset($_GET['give-gateway-id'], $_GET['give-gateway-method'], $_GET['give-donation-id']); |
| 73 | $idValid = in_array($_GET['give-gateway-id'], $gatewayIds, true); |
| 74 | |
| 75 | return $isset && $idValid; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Check if the listener is valid |
| 80 | * |
| 81 | * @since 2.18.0 |
| 82 | * |
| 83 | * @return bool |
| 84 | */ |
| 85 | private function isValidListener() |
| 86 | { |
| 87 | return isset($_GET['give-listener']) && $_GET['give-listener'] === 'give-gateway'; |
| 88 | } |
| 89 | } |
| 90 |