PayPalStandardWebhook.php
162 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Give\PaymentGateways\Gateways\PayPalStandard\Controllers; |
| 4 | |
| 5 | use Give\Log\Log; |
| 6 | use Give\PaymentGateways\Gateways\PayPalStandard\PayPalStandard; |
| 7 | use Give\PaymentGateways\Gateways\PayPalStandard\Webhooks\WebhookRegister; |
| 8 | use Give\PaymentGateways\Gateways\PayPalStandard\Webhooks\WebhookValidator; |
| 9 | |
| 10 | /** |
| 11 | * This class use to handle PayPal ipn. |
| 12 | * |
| 13 | * @since 2.19.0 |
| 14 | */ |
| 15 | class PayPalStandardWebhook |
| 16 | { |
| 17 | |
| 18 | /** |
| 19 | * @var WebhookValidator |
| 20 | */ |
| 21 | private $webhookValidator; |
| 22 | |
| 23 | public function __construct(WebhookValidator $webhookValidator) |
| 24 | { |
| 25 | $this->webhookValidator = $webhookValidator; |
| 26 | } |
| 27 | |
| 28 | /** |
| 29 | * Handle PayPal ipn |
| 30 | * |
| 31 | * @since 2.19.0 |
| 32 | * @since 2.19.3 Respond with 200 http status to ipn. |
| 33 | */ |
| 34 | public function handle() |
| 35 | { |
| 36 | $eventData = file_get_contents('php://input'); |
| 37 | $eventData = wp_parse_args($eventData); |
| 38 | |
| 39 | if ( ! $this->webhookValidator->verifyEventSignature($eventData)) { |
| 40 | exit(); |
| 41 | } |
| 42 | |
| 43 | $donationId = isset($eventData['custom']) ? absint($eventData['custom']) : 0; |
| 44 | $txnType = $eventData['txn_type']; |
| 45 | |
| 46 | // ipn verification can be disabled in GiveWP (<=2.15.0). |
| 47 | // This check will prevent anonymous requests from editing donation, if ipn verification disabled. |
| 48 | if ( ! $this->verifyDonationId($donationId)) { |
| 49 | Log::error( |
| 50 | 'PayPal Standard IPN Error', |
| 51 | [ |
| 52 | 'Message' => 'Donation id (from IPN) does not exist.', |
| 53 | 'Event Data' => $eventData, |
| 54 | ] |
| 55 | ); |
| 56 | exit(); |
| 57 | } |
| 58 | |
| 59 | $this->recordIpn($eventData, $donationId); |
| 60 | $this->recordIpnInDonation($donationId); |
| 61 | |
| 62 | /* @var WebhookRegister $webhookRegisterer */ |
| 63 | $webhookRegisterer = give(WebhookRegister::class); |
| 64 | if ($webhookRegisterer->hasEventRegistered($txnType)) { |
| 65 | $webhookRegisterer->getEventHandler($txnType)->processEvent((object)$eventData); |
| 66 | } |
| 67 | |
| 68 | $this->supportLegacyActions($txnType, $eventData, $donationId); |
| 69 | |
| 70 | exit; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @since 2.19.0 |
| 75 | * |
| 76 | * @param int $donationId |
| 77 | * |
| 78 | * @param array $eventData |
| 79 | */ |
| 80 | private function recordIpn(array $eventData, $donationId) |
| 81 | { |
| 82 | update_option( |
| 83 | 'give_last_paypal_ipn_received', |
| 84 | [ |
| 85 | 'auth_status' => 'VERIFIED', |
| 86 | 'transaction_id' => isset($eventData['txn_id']) ? $eventData['txn_id'] : 'N/A', |
| 87 | 'payment_id' => $donationId, |
| 88 | ], |
| 89 | false |
| 90 | ); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * @since 2.19.0 |
| 95 | * |
| 96 | * @param int $donationId |
| 97 | */ |
| 98 | private function recordIpnInDonation($donationId) |
| 99 | { |
| 100 | $currentTimestamp = current_time('timestamp'); |
| 101 | |
| 102 | give_insert_payment_note( |
| 103 | $donationId, |
| 104 | sprintf( |
| 105 | __('IPN received on %1$s at %2$s', 'give'), |
| 106 | date_i18n('m/d/Y', $currentTimestamp), |
| 107 | date_i18n('H:i', $currentTimestamp) |
| 108 | ) |
| 109 | ); |
| 110 | |
| 111 | give_update_meta($donationId, 'give_last_paypal_ipn_received', $currentTimestamp); |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * @param $donationId |
| 116 | * |
| 117 | * @return bool |
| 118 | */ |
| 119 | private function verifyDonationId($donationId) |
| 120 | { |
| 121 | return $donationId && PayPalStandard::id() === give_get_payment_gateway($donationId); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * @since 2.19.0 |
| 126 | * |
| 127 | * @param string $txnType |
| 128 | * @param array $eventData |
| 129 | * @param int $donationId |
| 130 | * |
| 131 | * @return void |
| 132 | */ |
| 133 | private function supportLegacyActions($txnType, array $eventData, $donationId) |
| 134 | { |
| 135 | if (has_action('give_paypal_' . $txnType)) { |
| 136 | /** |
| 137 | * Fires while processing PayPal IPN $txnType. |
| 138 | * |
| 139 | * Allow PayPal IPN types to be processed separately. |
| 140 | * |
| 141 | * @since 1.0 |
| 142 | * |
| 143 | * @param array $eventData Encoded data. |
| 144 | * @param int $donationId donation id. |
| 145 | */ |
| 146 | do_action("give_paypal_{$txnType}", $eventData, $donationId); |
| 147 | } else { |
| 148 | /** |
| 149 | * Fires while process PayPal IPN. |
| 150 | * |
| 151 | * Fallback to web accept just in case the txn_type isn't present. |
| 152 | * |
| 153 | * @since 1.0 |
| 154 | * |
| 155 | * @param array $eventData Encoded data. |
| 156 | * @param int $donationId donation id. |
| 157 | */ |
| 158 | do_action('give_paypal_web_accept', $eventData, $donationId); |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 |