| 1 |
<?php |
| 2 |
|
| 3 |
declare(strict_types=1); |
| 4 |
|
| 5 |
namespace Yatra\PaymentGateways\Gateways\PayPal; |
| 6 |
|
| 7 |
use Yatra\Database\Tables\BookingsTable; |
| 8 |
use Yatra\Database\Tables\BookingPaymentsTable; |
| 9 |
use Yatra\PaymentGateways\AbstractPaymentGateway; |
| 10 |
use Yatra\PaymentGateways\GatewayUserMessages; |
| 11 |
|
| 12 |
class PayPalGateway extends AbstractPaymentGateway |
| 13 |
{ |
| 14 |
protected string $id = 'paypal'; |
| 15 |
protected string $title = 'PayPal'; |
| 16 |
protected string $description = 'Accept PayPal and credit card payments'; |
| 17 |
protected string $icon = 'paypal.svg'; |
| 18 |
protected string $sandboxUrl = 'https://developer.paypal.com/tools/sandbox/'; |
| 19 |
protected array $supports = ['paypal', 'credit_card', 'refunds', 'recurring', 'tokenization']; |
| 20 |
|
| 21 |
public function getConfigFields(): array |
| 22 |
{ |
| 23 |
return [ |
| 24 |
[ |
| 25 |
'id' => 'mode', |
| 26 |
'type' => 'select', |
| 27 |
'label' => __('Integration Mode', 'yatra'), |
| 28 |
'description' => __('Choose how to connect PayPal', 'yatra'), |
| 29 |
'default' => 'simple', |
| 30 |
'options' => [ |
| 31 |
'simple' => __('Simple (Email Only) - Quick setup, basic payments', 'yatra'), |
| 32 |
'advanced' => __('Advanced (API) - Refunds, saved cards, scheduled payments', 'yatra'), |
| 33 |
], |
| 34 |
'help_text' => __('Simple mode: Just enter your PayPal email. Advanced mode: Enables refunds, saved payment methods, and scheduled payments.', 'yatra'), |
| 35 |
], |
| 36 |
[ |
| 37 |
'id' => 'email', |
| 38 |
'type' => 'email', |
| 39 |
'label' => __('PayPal Email', 'yatra'), |
| 40 |
'description' => __('Your PayPal account email address', 'yatra'), |
| 41 |
'placeholder' => '[email protected]', |
| 42 |
'default' => '', |
| 43 |
'help_text' => __('Enter the email address associated with your PayPal Business or Premier account.', 'yatra'), |
| 44 |
'help_url_live' => 'https://www.paypal.com/businesswallet/settings', |
| 45 |
'show_when' => ['mode' => 'simple'], |
| 46 |
], |
| 47 |
[ |
| 48 |
'id' => 'client_id', |
| 49 |
'type' => 'text', |
| 50 |
'label' => __('Client ID', 'yatra'), |
| 51 |
'description' => __('Your PayPal application client ID', 'yatra'), |
| 52 |
'placeholder' => 'AeA1QIZXiflr1...', |
| 53 |
'default' => '', |
| 54 |
'help_url_test' => 'https://developer.paypal.com/tools/sandbox/', |
| 55 |
'help_url_live' => 'https://developer.paypal.com/dashboard/applications/live', |
| 56 |
'help_text' => __('Create an app in PayPal Developer Dashboard to get Client ID', 'yatra'), |
| 57 |
'show_when' => ['mode' => 'advanced'], |
| 58 |
], |
| 59 |
[ |
| 60 |
'id' => 'client_secret', |
| 61 |
'type' => 'password', |
| 62 |
'label' => __('Client Secret', 'yatra'), |
| 63 |
'description' => __('Your PayPal application client secret', 'yatra'), |
| 64 |
'placeholder' => 'EC...', |
| 65 |
'default' => '', |
| 66 |
'help_url_test' => 'https://developer.paypal.com/tools/sandbox/', |
| 67 |
'help_url_live' => 'https://developer.paypal.com/dashboard/applications/live', |
| 68 |
'help_text' => __('Get Client Secret from the same PayPal app you created', 'yatra'), |
| 69 |
'show_when' => ['mode' => 'advanced'], |
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], |
| 71 |
[ |
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'id' => 'webhook_url', |
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'type' => 'text', |
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'readonly' => true, |
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'label' => __('Webhook URL', 'yatra'), |
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'description' => __('Add this URL as a webhook in your PayPal app', 'yatra'), |
| 77 |
'default' => rest_url('yatra/v1/payment/webhook/paypal'), |
| 78 |
'help_text' => __('In your PayPal app, add this as a webhook and subscribe to the "Payment capture completed" event. This is a reliable backup that confirms bookings even if the customer closes the browser after paying.', 'yatra'), |
| 79 |
'show_when' => ['mode' => 'advanced'], |
| 80 |
], |
| 81 |
[ |
| 82 |
'id' => 'webhook_id', |
| 83 |
'type' => 'text', |
| 84 |
'label' => __('Webhook ID', 'yatra'), |
| 85 |
'description' => __('Webhook ID from your PayPal app', 'yatra'), |
| 86 |
'placeholder' => 'WH-...', |
| 87 |
'default' => '', |
| 88 |
'help_text' => __('Paste the Webhook ID of the webhook you created above. This enables signed verification of incoming PayPal webhooks.', 'yatra'), |
| 89 |
'show_when' => ['mode' => 'advanced'], |
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], |
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]; |
| 92 |
} |
| 93 |
|
| 94 |
/** |
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* Check if using simple (email-only) mode |
| 96 |
*/ |
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private function isSimpleMode(): bool |
| 98 |
{ |
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return ($this->config['mode'] ?? 'simple') === 'simple'; |
| 100 |
} |
| 101 |
|
| 102 |
public function isProperlyConfigured(): bool |
| 103 |
{ |
| 104 |
if ($this->isSimpleMode()) { |
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return !empty(trim((string) ($this->config['email'] ?? ''))); |
| 106 |
} |
| 107 |
|
| 108 |
return !empty(trim((string) ($this->config['client_id'] ?? ''))) |
| 109 |
&& !empty(trim((string) ($this->config['client_secret'] ?? ''))); |
| 110 |
} |
| 111 |
|
| 112 |
private function getBaseUrl(): string |
| 113 |
{ |
| 114 |
return \Yatra\Services\SettingsService::isPaymentTestMode() |
| 115 |
? 'https://api-m.sandbox.paypal.com' |
| 116 |
: 'https://api-m.paypal.com'; |
| 117 |
} |
| 118 |
|
| 119 |
private function getAccessToken(): ?string |
| 120 |
{ |
| 121 |
$response = $this->makeRequest($this->getBaseUrl() . '/v1/oauth2/token', [ |
| 122 |
'method' => 'POST', |
| 123 |
'headers' => [ |
| 124 |
'Authorization' => 'Basic ' . base64_encode(($this->config['client_id'] ?? '') . ':' . ($this->config['client_secret'] ?? '')), |
| 125 |
'Content-Type' => 'application/x-www-form-urlencoded', |
| 126 |
], |
| 127 |
'body' => 'grant_type=client_credentials', |
| 128 |
]); |
| 129 |
|
| 130 |
return $response['body']['access_token'] ?? null; |
| 131 |
} |
| 132 |
|
| 133 |
private function getHeaders(): array |
| 134 |
{ |
| 135 |
$accessToken = $this->getAccessToken(); |
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return [ |
| 137 |
'Authorization' => 'Bearer ' . $accessToken, |
| 138 |
'Content-Type' => 'application/json', |
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]; |
| 140 |
} |
| 141 |
|
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public function processPayment(array $paymentData): array |
| 143 |
{ |
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// Log payment attempt for debugging |
| 145 |
$this->log('Processing PayPal payment', [ |
| 146 |
'mode' => $this->isSimpleMode() ? 'simple' : 'advanced', |
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'amount' => $paymentData['amount'] ?? 0, |
| 148 |
'currency' => $paymentData['currency'] ?? 'USD', |
| 149 |
'booking_id' => $paymentData['booking_id'] ?? 0, |
| 150 |
'test_mode' => \Yatra\Services\SettingsService::isPaymentTestMode(), |
| 151 |
]); |
| 152 |
|
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// Use simple or advanced mode based on configuration |
| 154 |
if ($this->isSimpleMode()) { |
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return $this->processSimplePayment($paymentData); |
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} |
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|
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return $this->processAdvancedPayment($paymentData); |
| 159 |
} |
| 160 |
|
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/** |
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* Process payment using Simple mode (PayPal Standard - email only) |
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* Redirects to PayPal hosted checkout page |
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*/ |
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private function processSimplePayment(array $paymentData): array |
| 166 |
{ |
| 167 |
$email = $this->config['email'] ?? ''; |
| 168 |
if (empty($email)) { |
| 169 |
return ['success' => false, 'error' => GatewayUserMessages::gatewayNotConfigured($this)]; |
| 170 |
} |
| 171 |
|
| 172 |
$amount = number_format((float) ($paymentData['amount'] ?? 0), 2, '.', ''); |
| 173 |
$currency = $paymentData['currency'] ?? 'USD'; |
| 174 |
$bookingId = $paymentData['booking_id'] ?? 0; |
| 175 |
$reference = $paymentData['reference'] ?? $bookingId; |
| 176 |
$description = $paymentData['description'] ?? sprintf( |
| 177 |
/* translators: %s: booking reference. */ |
| 178 |
__('Booking #%s', 'yatra'), |
| 179 |
$reference |
| 180 |
); |
| 181 |
$returnUrl = $paymentData['return_url'] ?? yatra_get_booking_confirmation_url((string) $reference); |
| 182 |
$cancelUrl = $paymentData['cancel_url'] ?? home_url('/book/?payment=cancelled&ref=' . $reference); |
| 183 |
|
| 184 |
// PayPal Standard base URL |
| 185 |
$isTestMode = \Yatra\Services\SettingsService::isPaymentTestMode(); |
| 186 |
$paypalUrl = $isTestMode |
| 187 |
? 'https://www.sandbox.paypal.com/cgi-bin/webscr' |
| 188 |
: 'https://www.paypal.com/cgi-bin/webscr'; |
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|
| 190 |
// Build PayPal Standard payment URL |
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$params = [ |
| 192 |
'cmd' => '_xclick', |
| 193 |
'business' => $email, |
| 194 |
'item_name' => $description, |
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'item_number' => $reference, |
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'amount' => $amount, |
| 197 |
'currency_code' => $currency, |
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'return' => add_query_arg(['paypal' => 'success', 'booking_id' => $bookingId], $returnUrl), |
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'cancel_return' => $cancelUrl, |
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'notify_url' => rest_url('yatra/v1/payment/webhook/paypal'), |
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'custom' => wp_json_encode(['booking_id' => $bookingId, 'reference' => $reference]), |
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'no_shipping' => '1', |
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'no_note' => '1', |
| 204 |
'rm' => '2', // POST data back to return URL |
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]; |
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|
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$redirectUrl = $paypalUrl . '?' . http_build_query($params); |
| 208 |
|
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$this->log('PayPal Simple mode redirect URL created', [ |
| 210 |
'booking_id' => $bookingId, |
| 211 |
'amount' => $amount, |
| 212 |
'test_mode' => $isTestMode, |
| 213 |
]); |
| 214 |
|
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return [ |
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'success' => true, |
| 217 |
'redirect_url' => $redirectUrl, |
| 218 |
'transaction_id' => 'pending_' . $bookingId, // Will be updated via IPN |
| 219 |
'mode' => 'simple', |
| 220 |
]; |
| 221 |
} |
| 222 |
|
| 223 |
/** |
| 224 |
* Process payment using Advanced mode (PayPal REST API) |
| 225 |
* Creates order via API and redirects to approval URL |
| 226 |
*/ |
| 227 |
private function processAdvancedPayment(array $paymentData): array |
| 228 |
{ |
| 229 |
$accessToken = $this->getAccessToken(); |
| 230 |
if (!$accessToken) { |
| 231 |
$this->log('PayPal authentication failed', ['client_id' => substr($this->config['client_id'] ?? '', 0, 10) . '...']); |
| 232 |
return ['success' => false, 'error' => __('Failed to authenticate with PayPal. Please check your API credentials.', 'yatra')]; |
| 233 |
} |
| 234 |
|
| 235 |
$amount = number_format((float) ($paymentData['amount'] ?? 0), 2, '.', ''); |
| 236 |
$currency = $paymentData['currency'] ?? 'USD'; |
| 237 |
$bookingId = $paymentData['booking_id'] ?? 0; |
| 238 |
$referenceForReturn = (string) ($paymentData['reference'] ?? $bookingId); |
| 239 |
$returnUrl = $paymentData['return_url'] ?? yatra_get_booking_confirmation_url($referenceForReturn); |
| 240 |
$cancelUrl = $paymentData['cancel_url'] ?? home_url('/book/?payment=cancelled'); |
| 241 |
$savePayment = !empty($paymentData['save_payment']); |
| 242 |
|
| 243 |
$orderData = [ |
| 244 |
'intent' => 'CAPTURE', |
| 245 |
'purchase_units' => [[ |
| 246 |
'custom_id' => (string) $bookingId, |
| 247 |
'description' => $paymentData['description'] ?? sprintf( |
| 248 |
/* translators: %s: booking reference. */ |
| 249 |
__('Booking #%s', 'yatra'), |
| 250 |
$bookingId |
| 251 |
), |
| 252 |
'amount' => [ |
| 253 |
'currency_code' => $currency, |
| 254 |
'value' => $amount, |
| 255 |
], |
| 256 |
]], |
| 257 |
'application_context' => [ |
| 258 |
'return_url' => add_query_arg(['paypal' => 'success', 'booking_id' => $bookingId], $returnUrl), |
| 259 |
'cancel_url' => $cancelUrl, |
| 260 |
'user_action' => 'PAY_NOW', |
| 261 |
'brand_name' => get_bloginfo('name'), |
| 262 |
], |
| 263 |
]; |
| 264 |
|
| 265 |
// Enable vault for saving payment method |
| 266 |
if ($savePayment) { |
| 267 |
$orderData['payment_source'] = [ |
| 268 |
'paypal' => [ |
| 269 |
'experience_context' => [ |
| 270 |
'payment_method_preference' => 'IMMEDIATE_PAYMENT_REQUIRED', |
| 271 |
'return_url' => add_query_arg(['paypal' => 'success', 'booking_id' => $bookingId], $returnUrl), |
| 272 |
'cancel_url' => $cancelUrl, |
| 273 |
], |
| 274 |
'attributes' => [ |
| 275 |
'vault' => [ |
| 276 |
'store_in_vault' => 'ON_SUCCESS', |
| 277 |
'usage_type' => 'MERCHANT', |
| 278 |
], |
| 279 |
], |
| 280 |
], |
| 281 |
]; |
| 282 |
} |
| 283 |
|
| 284 |
$response = $this->makeRequest($this->getBaseUrl() . '/v2/checkout/orders', [ |
| 285 |
'method' => 'POST', |
| 286 |
'headers' => [ |
| 287 |
'Authorization' => 'Bearer ' . $accessToken, |
| 288 |
'Content-Type' => 'application/json', |
| 289 |
], |
| 290 |
'body' => wp_json_encode($orderData), |
| 291 |
]); |
| 292 |
|
| 293 |
if (!$response['success'] || empty($response['body']['id'])) { |
| 294 |
$errorMessage = $response['body']['message'] ?? $response['body']['error_description'] ?? __('Failed to create PayPal order', 'yatra'); |
| 295 |
$this->log('PayPal order creation failed', [ |
| 296 |
'response' => $response, |
| 297 |
'error' => $errorMessage, |
| 298 |
]); |
| 299 |
return ['success' => false, 'error' => $errorMessage]; |
| 300 |
} |
| 301 |
|
| 302 |
// Get approval URL |
| 303 |
$approvalUrl = null; |
| 304 |
foreach ($response['body']['links'] ?? [] as $link) { |
| 305 |
if ($link['rel'] === 'approve') { |
| 306 |
$approvalUrl = $link['href']; |
| 307 |
break; |
| 308 |
} |
| 309 |
} |
| 310 |
|
| 311 |
if (empty($approvalUrl)) { |
| 312 |
$this->log('PayPal order created but no approval URL found', ['order_id' => $response['body']['id']]); |
| 313 |
return ['success' => false, 'error' => __('PayPal order created but redirect URL not found', 'yatra')]; |
| 314 |
} |
| 315 |
|
| 316 |
$this->log('PayPal order created successfully', [ |
| 317 |
'order_id' => $response['body']['id'], |
| 318 |
'approval_url' => $approvalUrl, |
| 319 |
]); |
| 320 |
|
| 321 |
return [ |
| 322 |
'success' => true, |
| 323 |
'order_id' => $response['body']['id'], |
| 324 |
'transaction_id' => $response['body']['id'], |
| 325 |
'redirect_url' => $approvalUrl, |
| 326 |
'approval_url' => $approvalUrl, |
| 327 |
'client_id' => $this->config['client_id'] ?? '', |
| 328 |
'sandbox' => \Yatra\Services\SettingsService::isPaymentTestMode(), |
| 329 |
'mode' => 'advanced', |
| 330 |
]; |
| 331 |
} |
| 332 |
|
| 333 |
/** |
| 334 |
* Create PayPal customer (for vault) |
| 335 |
*/ |
| 336 |
public function createCustomer(array $customerData): array |
| 337 |
{ |
| 338 |
$accessToken = $this->getAccessToken(); |
| 339 |
if (!$accessToken) { |
| 340 |
return ['success' => false, 'error' => __('Failed to authenticate with PayPal', 'yatra')]; |
| 341 |
} |
| 342 |
|
| 343 |
// PayPal uses vault tokens associated with merchant, not traditional customers |
| 344 |
// Generate a unique customer reference |
| 345 |
$customerId = 'yatra_' . md5($customerData['email'] . time()); |
| 346 |
|
| 347 |
return [ |
| 348 |
'success' => true, |
| 349 |
'customer_id' => $customerId, |
| 350 |
]; |
| 351 |
} |
| 352 |
|
| 353 |
/** |
| 354 |
* Save payment token after successful vaulted payment |
| 355 |
*/ |
| 356 |
public function savePaymentMethod(string $customerId, array $paymentMethodData): array |
| 357 |
{ |
| 358 |
// PayPal vault token is returned after successful order capture |
| 359 |
$vaultId = $paymentMethodData['vault_id'] ?? ''; |
| 360 |
|
| 361 |
if (empty($vaultId)) { |
| 362 |
return [ |
| 363 |
'success' => false, |
| 364 |
'error' => __('Vault ID is required', 'yatra'), |
| 365 |
]; |
| 366 |
} |
| 367 |
|
| 368 |
return [ |
| 369 |
'success' => true, |
| 370 |
'payment_method_id' => $vaultId, |
| 371 |
'type' => 'paypal', |
| 372 |
'card_brand' => 'paypal', |
| 373 |
'card_last4' => substr($paymentMethodData['email'] ?? '', -4), |
| 374 |
]; |
| 375 |
} |
| 376 |
|
| 377 |
/** |
| 378 |
* Charge saved PayPal payment token |
| 379 |
*/ |
| 380 |
public function chargePaymentMethod(string $customerId, string $paymentMethodId, array $paymentData): array |
| 381 |
{ |
| 382 |
$accessToken = $this->getAccessToken(); |
| 383 |
if (!$accessToken) { |
| 384 |
return ['success' => false, 'error' => __('Failed to authenticate with PayPal', 'yatra')]; |
| 385 |
} |
| 386 |
|
| 387 |
$amount = number_format((float) ($paymentData['amount'] ?? 0), 2, '.', ''); |
| 388 |
$currency = $paymentData['currency'] ?? 'USD'; |
| 389 |
$bookingId = $paymentData['booking_id'] ?? 0; |
| 390 |
|
| 391 |
// Create order using vaulted payment source |
| 392 |
$orderData = [ |
| 393 |
'intent' => 'CAPTURE', |
| 394 |
'purchase_units' => [[ |
| 395 |
'custom_id' => (string) $bookingId, |
| 396 |
'description' => $paymentData['description'] ?? 'Scheduled Payment', |
| 397 |
'amount' => [ |
| 398 |
'currency_code' => $currency, |
| 399 |
'value' => $amount, |
| 400 |
], |
| 401 |
]], |
| 402 |
'payment_source' => [ |
| 403 |
'paypal' => [ |
| 404 |
'vault_id' => $paymentMethodId, |
| 405 |
], |
| 406 |
], |
| 407 |
]; |
| 408 |
|
| 409 |
$response = $this->makeRequest($this->getBaseUrl() . '/v2/checkout/orders', [ |
| 410 |
'method' => 'POST', |
| 411 |
'headers' => [ |
| 412 |
'Authorization' => 'Bearer ' . $accessToken, |
| 413 |
'Content-Type' => 'application/json', |
| 414 |
'PayPal-Request-Id' => uniqid('yatra_', true), |
| 415 |
], |
| 416 |
'body' => wp_json_encode($orderData), |
| 417 |
]); |
| 418 |
|
| 419 |
if (!$response['success'] || empty($response['body']['id'])) { |
| 420 |
return [ |
| 421 |
'success' => false, |
| 422 |
'error' => $response['body']['message'] ?? __('Failed to create PayPal order', 'yatra'), |
| 423 |
]; |
| 424 |
} |
| 425 |
|
| 426 |
$orderId = $response['body']['id']; |
| 427 |
|
| 428 |
// Auto-capture for vaulted payments |
| 429 |
if ($response['body']['status'] === 'COMPLETED') { |
| 430 |
$captureId = $response['body']['purchase_units'][0]['payments']['captures'][0]['id'] ?? null; |
| 431 |
return [ |
| 432 |
'success' => true, |
| 433 |
'transaction_id' => $captureId ?? $orderId, |
| 434 |
'order_id' => $orderId, |
| 435 |
'amount' => (float) $amount, |
| 436 |
'currency' => $currency, |
| 437 |
'status' => 'completed', |
| 438 |
]; |
| 439 |
} |
| 440 |
|
| 441 |
// If not auto-captured, capture now |
| 442 |
$captureResponse = $this->makeRequest($this->getBaseUrl() . "/v2/checkout/orders/{$orderId}/capture", [ |
| 443 |
'method' => 'POST', |
| 444 |
'headers' => [ |
| 445 |
'Authorization' => 'Bearer ' . $accessToken, |
| 446 |
'Content-Type' => 'application/json', |
| 447 |
], |
| 448 |
]); |
| 449 |
|
| 450 |
if ($captureResponse['body']['status'] === 'COMPLETED') { |
| 451 |
$captureId = $captureResponse['body']['purchase_units'][0]['payments']['captures'][0]['id'] ?? null; |
| 452 |
return [ |
| 453 |
'success' => true, |
| 454 |
'transaction_id' => $captureId ?? $orderId, |
| 455 |
'order_id' => $orderId, |
| 456 |
'amount' => (float) $amount, |
| 457 |
'currency' => $currency, |
| 458 |
'status' => 'completed', |
| 459 |
]; |
| 460 |
} |
| 461 |
|
| 462 |
return [ |
| 463 |
'success' => false, |
| 464 |
'error' => __('Payment capture failed', 'yatra'), |
| 465 |
]; |
| 466 |
} |
| 467 |
|
| 468 |
/** |
| 469 |
* Get saved payment methods |
| 470 |
*/ |
| 471 |
public function getPaymentMethods(string $customerId): array |
| 472 |
{ |
| 473 |
// PayPal vault tokens need to be stored locally |
| 474 |
// as PayPal doesn't provide a list endpoint for merchant-stored tokens |
| 475 |
return []; |
| 476 |
} |
| 477 |
|
| 478 |
/** |
| 479 |
* Delete saved payment method |
| 480 |
*/ |
| 481 |
public function deletePaymentMethod(string $paymentMethodId): array |
| 482 |
{ |
| 483 |
$accessToken = $this->getAccessToken(); |
| 484 |
if (!$accessToken) { |
| 485 |
return ['success' => false, 'error' => __('Failed to authenticate with PayPal', 'yatra')]; |
| 486 |
} |
| 487 |
|
| 488 |
$response = $this->makeRequest($this->getBaseUrl() . "/v3/vault/payment-tokens/{$paymentMethodId}", [ |
| 489 |
'method' => 'DELETE', |
| 490 |
'headers' => [ |
| 491 |
'Authorization' => 'Bearer ' . $accessToken, |
| 492 |
], |
| 493 |
]); |
| 494 |
|
| 495 |
return [ |
| 496 |
'success' => $response['code'] === 204 || $response['success'], |
| 497 |
]; |
| 498 |
} |
| 499 |
|
| 500 |
public function verifyPayment(string $transactionId): array |
| 501 |
{ |
| 502 |
$accessToken = $this->getAccessToken(); |
| 503 |
if (!$accessToken) { |
| 504 |
return ['success' => false, 'error' => 'Authentication failed']; |
| 505 |
} |
| 506 |
|
| 507 |
// First try to get order details |
| 508 |
$orderResponse = $this->makeRequest($this->getBaseUrl() . "/v2/checkout/orders/{$transactionId}", [ |
| 509 |
'method' => 'GET', |
| 510 |
'headers' => [ |
| 511 |
'Authorization' => 'Bearer ' . $accessToken, |
| 512 |
], |
| 513 |
]); |
| 514 |
|
| 515 |
// If already completed, return success |
| 516 |
if (($orderResponse['body']['status'] ?? '') === 'COMPLETED') { |
| 517 |
$vaultId = null; |
| 518 |
$paymentSource = $orderResponse['body']['payment_source']['paypal'] ?? []; |
| 519 |
if (!empty($paymentSource['attributes']['vault']['id'])) { |
| 520 |
$vaultId = $paymentSource['attributes']['vault']['id']; |
| 521 |
} |
| 522 |
|
| 523 |
return [ |
| 524 |
'success' => true, |
| 525 |
'status' => 'COMPLETED', |
| 526 |
'capture_id' => $orderResponse['body']['purchase_units'][0]['payments']['captures'][0]['id'] ?? null, |
| 527 |
'vault_id' => $vaultId, |
| 528 |
]; |
| 529 |
} |
| 530 |
|
| 531 |
// If approved, capture the order |
| 532 |
if (($orderResponse['body']['status'] ?? '') === 'APPROVED') { |
| 533 |
$response = $this->makeRequest($this->getBaseUrl() . "/v2/checkout/orders/{$transactionId}/capture", [ |
| 534 |
'method' => 'POST', |
| 535 |
'headers' => [ |
| 536 |
'Authorization' => 'Bearer ' . $accessToken, |
| 537 |
'Content-Type' => 'application/json', |
| 538 |
], |
| 539 |
]); |
| 540 |
|
| 541 |
$status = $response['body']['status'] ?? ''; |
| 542 |
|
| 543 |
// Check for vault ID |
| 544 |
$vaultId = null; |
| 545 |
$paymentSource = $response['body']['payment_source']['paypal'] ?? []; |
| 546 |
if (!empty($paymentSource['attributes']['vault']['id'])) { |
| 547 |
$vaultId = $paymentSource['attributes']['vault']['id']; |
| 548 |
} |
| 549 |
|
| 550 |
return [ |
| 551 |
'success' => $status === 'COMPLETED', |
| 552 |
'status' => $status, |
| 553 |
'capture_id' => $response['body']['purchase_units'][0]['payments']['captures'][0]['id'] ?? null, |
| 554 |
'vault_id' => $vaultId, |
| 555 |
]; |
| 556 |
} |
| 557 |
|
| 558 |
return [ |
| 559 |
'success' => false, |
| 560 |
'status' => $orderResponse['body']['status'] ?? 'UNKNOWN', |
| 561 |
]; |
| 562 |
} |
| 563 |
|
| 564 |
public function processRefund(string $transactionId, float $amount): array |
| 565 |
{ |
| 566 |
$accessToken = $this->getAccessToken(); |
| 567 |
if (!$accessToken) { |
| 568 |
return ['success' => false, 'error' => 'Authentication failed']; |
| 569 |
} |
| 570 |
|
| 571 |
$response = $this->makeRequest($this->getBaseUrl() . "/v2/payments/captures/{$transactionId}/refund", [ |
| 572 |
'method' => 'POST', |
| 573 |
'headers' => [ |
| 574 |
'Authorization' => 'Bearer ' . $accessToken, |
| 575 |
'Content-Type' => 'application/json', |
| 576 |
], |
| 577 |
'body' => wp_json_encode([ |
| 578 |
'amount' => [ |
| 579 |
'value' => number_format($amount, 2, '.', ''), |
| 580 |
'currency_code' => 'USD', |
| 581 |
], |
| 582 |
]), |
| 583 |
]); |
| 584 |
|
| 585 |
return [ |
| 586 |
'success' => $response['success'], |
| 587 |
'refund_id' => $response['body']['id'] ?? null, |
| 588 |
]; |
| 589 |
} |
| 590 |
|
| 591 |
/** |
| 592 |
* Handle PayPal webhook (supports both IPN for Simple mode and REST webhooks for Advanced mode) |
| 593 |
*/ |
| 594 |
public function handleWebhook(array $data): array |
| 595 |
{ |
| 596 |
$body = $data['raw_body'] ?? ''; |
| 597 |
$postData = $data['post_data'] ?? []; |
| 598 |
|
| 599 |
// Check if this is an IPN notification (Simple mode) |
| 600 |
if (!empty($postData['txn_type']) || !empty($postData['payment_status'])) { |
| 601 |
return $this->handleIPN($postData); |
| 602 |
} |
| 603 |
|
| 604 |
// Otherwise handle as REST API webhook (Advanced mode) |
| 605 |
$event = json_decode($body, true); |
| 606 |
$eventType = $event['event_type'] ?? ''; |
| 607 |
|
| 608 |
switch ($eventType) { |
| 609 |
case 'PAYMENT.CAPTURE.COMPLETED': |
| 610 |
$resource = $event['resource'] ?? []; |
| 611 |
|
| 612 |
// Only confirm from a webhook whose signature we can verify against |
| 613 |
// the configured Webhook ID. Unverified events are ignored for |
| 614 |
// confirmation (the return-capture path is authoritative); the |
| 615 |
// informational action still fires for any custom listeners. |
| 616 |
if ($this->verifyWebhookSignature($data['headers'] ?? [], $body, $event)) { |
| 617 |
$bookingId = (int) ($resource['custom_id'] ?? 0); |
| 618 |
$transactionId = (string) ($resource['id'] ?? ''); |
| 619 |
if ($bookingId > 0 && $transactionId !== '') { |
| 620 |
$bookingRepository = new \Yatra\Repositories\BookingRepository(); |
| 621 |
$booking = $bookingRepository->find($bookingId); |
| 622 |
if ($booking) { |
| 623 |
$this->completePayment($booking, $bookingRepository, $transactionId, [ |
| 624 |
'amount' => (float) ($resource['amount']['value'] ?? 0), |
| 625 |
'currency' => (string) ($resource['amount']['currency_code'] ?? 'USD'), |
| 626 |
]); |
| 627 |
} |
| 628 |
} |
| 629 |
} else { |
| 630 |
$this->log('PayPal webhook not verified — confirmation skipped (set Webhook ID to enable)', [ |
| 631 |
'event_type' => $eventType, |
| 632 |
]); |
| 633 |
} |
| 634 |
|
| 635 |
do_action('yatra_paypal_payment_completed', $resource); |
| 636 |
break; |
| 637 |
|
| 638 |
case 'PAYMENT.CAPTURE.REFUNDED': |
| 639 |
do_action('yatra_paypal_payment_refunded', $event['resource'] ?? []); |
| 640 |
break; |
| 641 |
|
| 642 |
case 'VAULT.PAYMENT-TOKEN.CREATED': |
| 643 |
do_action('yatra_paypal_token_created', $event['resource'] ?? []); |
| 644 |
break; |
| 645 |
} |
| 646 |
|
| 647 |
return ['success' => true, 'event_type' => $eventType]; |
| 648 |
} |
| 649 |
|
| 650 |
/** |
| 651 |
* Verify an Advanced-mode REST webhook against the configured Webhook ID |
| 652 |
* using PayPal's verify-webhook-signature API. Returns false when no |
| 653 |
* Webhook ID is configured, so unverified events are never trusted. |
| 654 |
*/ |
| 655 |
private function verifyWebhookSignature(array $headers, string $rawBody, array $event): bool |
| 656 |
{ |
| 657 |
$webhookId = trim((string) ($this->config['webhook_id'] ?? '')); |
| 658 |
if ($webhookId === '') { |
| 659 |
return false; |
| 660 |
} |
| 661 |
|
| 662 |
$accessToken = $this->getAccessToken(); |
| 663 |
if (!$accessToken) { |
| 664 |
return false; |
| 665 |
} |
| 666 |
|
| 667 |
$header = static function (string $name) use ($headers): string { |
| 668 |
// WP REST normalises header keys to lowercase, with dashes or underscores. |
| 669 |
foreach ([$name, str_replace('-', '_', $name)] as $key) { |
| 670 |
if (isset($headers[$key])) { |
| 671 |
return (string) (is_array($headers[$key]) ? ($headers[$key][0] ?? '') : $headers[$key]); |
| 672 |
} |
| 673 |
} |
| 674 |
return ''; |
| 675 |
}; |
| 676 |
|
| 677 |
$payload = [ |
| 678 |
'auth_algo' => $header('paypal-auth-algo'), |
| 679 |
'cert_url' => $header('paypal-cert-url'), |
| 680 |
'transmission_id' => $header('paypal-transmission-id'), |
| 681 |
'transmission_sig' => $header('paypal-transmission-sig'), |
| 682 |
'transmission_time' => $header('paypal-transmission-time'), |
| 683 |
'webhook_id' => $webhookId, |
| 684 |
'webhook_event' => $event, |
| 685 |
]; |
| 686 |
|
| 687 |
if ($payload['transmission_id'] === '' || $payload['transmission_sig'] === '') { |
| 688 |
return false; |
| 689 |
} |
| 690 |
|
| 691 |
$response = $this->makeRequest($this->getBaseUrl() . '/v1/notifications/verify-webhook-signature', [ |
| 692 |
'method' => 'POST', |
| 693 |
'headers' => [ |
| 694 |
'Authorization' => 'Bearer ' . $accessToken, |
| 695 |
'Content-Type' => 'application/json', |
| 696 |
], |
| 697 |
'body' => wp_json_encode($payload), |
| 698 |
]); |
| 699 |
|
| 700 |
return ($response['body']['verification_status'] ?? '') === 'SUCCESS'; |
| 701 |
} |
| 702 |
|
| 703 |
/** |
| 704 |
* Handle PayPal IPN (Instant Payment Notification) for Simple mode |
| 705 |
*/ |
| 706 |
private function handleIPN(array $ipnData): array |
| 707 |
{ |
| 708 |
$this->log('PayPal IPN received', $ipnData); |
| 709 |
|
| 710 |
// Verify IPN with PayPal |
| 711 |
$isTestMode = \Yatra\Services\SettingsService::isPaymentTestMode(); |
| 712 |
$verifyUrl = $isTestMode |
| 713 |
? 'https://ipnpb.sandbox.paypal.com/cgi-bin/webscr' |
| 714 |
: 'https://ipnpb.paypal.com/cgi-bin/webscr'; |
| 715 |
|
| 716 |
$verifyData = array_merge(['cmd' => '_notify-validate'], $ipnData); |
| 717 |
|
| 718 |
$response = wp_remote_post($verifyUrl, [ |
| 719 |
'body' => $verifyData, |
| 720 |
'timeout' => 60, |
| 721 |
'httpversion' => '1.1', |
| 722 |
]); |
| 723 |
|
| 724 |
if (is_wp_error($response)) { |
| 725 |
$this->log('IPN verification failed', ['error' => $response->get_error_message()]); |
| 726 |
return ['success' => false, 'error' => 'IPN verification failed']; |
| 727 |
} |
| 728 |
|
| 729 |
$responseBody = wp_remote_retrieve_body($response); |
| 730 |
|
| 731 |
if ($responseBody !== 'VERIFIED') { |
| 732 |
$this->log('IPN not verified', ['response' => $responseBody]); |
| 733 |
return ['success' => false, 'error' => 'IPN not verified']; |
| 734 |
} |
| 735 |
|
| 736 |
// Process the payment |
| 737 |
$paymentStatus = $ipnData['payment_status'] ?? ''; |
| 738 |
$customData = json_decode($ipnData['custom'] ?? '{}', true); |
| 739 |
$bookingId = $customData['booking_id'] ?? 0; |
| 740 |
$transactionId = $ipnData['txn_id'] ?? ''; |
| 741 |
$amount = (float) ($ipnData['mc_gross'] ?? 0); |
| 742 |
$currency = $ipnData['mc_currency'] ?? 'USD'; |
| 743 |
|
| 744 |
if ($paymentStatus === 'Completed' && $bookingId > 0) { |
| 745 |
// Record the payment + confirm the booking. completePayment is |
| 746 |
// idempotent (and fires `yatra_payment_completed` itself), so a |
| 747 |
// re-sent IPN won't double-record. |
| 748 |
$bookingRepository = new \Yatra\Repositories\BookingRepository(); |
| 749 |
$booking = $bookingRepository->find((int) $bookingId); |
| 750 |
if ($booking) { |
| 751 |
$this->completePayment($booking, $bookingRepository, $transactionId, [ |
| 752 |
'amount' => $amount, |
| 753 |
'currency' => $currency, |
| 754 |
]); |
| 755 |
} |
| 756 |
|
| 757 |
$this->log('PayPal IPN payment completed', [ |
| 758 |
'booking_id' => $bookingId, |
| 759 |
'transaction_id' => $transactionId, |
| 760 |
'amount' => $amount, |
| 761 |
]); |
| 762 |
|
| 763 |
return ['success' => true, 'status' => 'completed', 'booking_id' => $bookingId]; |
| 764 |
} |
| 765 |
|
| 766 |
return ['success' => true, 'status' => $paymentStatus]; |
| 767 |
} |
| 768 |
|
| 769 |
/** |
| 770 |
* Check if this gateway should handle the return request |
| 771 |
*/ |
| 772 |
public function shouldHandleReturn(array $params): bool |
| 773 |
{ |
| 774 |
return isset($params['paypal']) && $params['paypal'] === 'success'; |
| 775 |
} |
| 776 |
|
| 777 |
/** |
| 778 |
* Handle payment return from PayPal (when user is redirected back after payment) |
| 779 |
* Works for both Simple and Advanced modes |
| 780 |
*/ |
| 781 |
public function handlePaymentReturn($booking, $bookingRepository): void |
| 782 |
{ |
| 783 |
global $wpdb; |
| 784 |
|
| 785 |
// Check if payment already processed |
| 786 |
if ($booking->payment_status === 'paid') { |
| 787 |
return; |
| 788 |
} |
| 789 |
|
| 790 |
$bookingId = (int) $booking->id; |
| 791 |
$isAdvancedMode = !$this->isSimpleMode(); |
| 792 |
|
| 793 |
$this->log('Handling PayPal return', [ |
| 794 |
'booking_id' => $bookingId, |
| 795 |
'mode' => $isAdvancedMode ? 'advanced' : 'simple', |
| 796 |
]); |
| 797 |
|
| 798 |
if ($isAdvancedMode) { |
| 799 |
// Advanced mode: Get token from URL and capture the order |
| 800 |
$token = sanitize_text_field($_GET['token'] ?? ''); |
| 801 |
|
| 802 |
if (!empty($token)) { |
| 803 |
$result = $this->verifyPayment($token); |
| 804 |
|
| 805 |
if ($result['success'] && $result['status'] === 'COMPLETED') { |
| 806 |
$this->completePayment($booking, $bookingRepository, $result['capture_id'] ?? $token); |
| 807 |
} |
| 808 |
} |
| 809 |
} else { |
| 810 |
// Simple mode: Payment verification happens via IPN |
| 811 |
// For now, mark as pending verification - IPN will update it |
| 812 |
// But we can show success to user since PayPal redirected them back |
| 813 |
$this->log('Simple mode return - awaiting IPN verification', ['booking_id' => $bookingId]); |
| 814 |
} |
| 815 |
} |
| 816 |
|
| 817 |
/** |
| 818 |
* Complete the payment and update booking status |
| 819 |
*/ |
| 820 |
private function completePayment($booking, $bookingRepository, string $transactionId, array $paymentData = []): void |
| 821 |
{ |
| 822 |
global $wpdb; |
| 823 |
|
| 824 |
// Already settled in full — never apply another charge to it. |
| 825 |
if (($booking->payment_status ?? '') === 'paid') { |
| 826 |
return; |
| 827 |
} |
| 828 |
|
| 829 |
$bookingId = (int) $booking->id; |
| 830 |
$payments_table = BookingPaymentsTable::getTableName(); |
| 831 |
|
| 832 |
// Idempotency: bail if this gateway transaction is already recorded for |
| 833 |
// this booking. Prevents duplicate rows when the confirmation-page return |
| 834 |
// and the webhook both fire for the same capture. Mirrors StripeGateway. |
| 835 |
if ($transactionId !== '') { |
| 836 |
$alreadyRecorded = $wpdb->get_var( |
| 837 |
$wpdb->prepare( |
| 838 |
"SELECT id FROM {$payments_table} WHERE booking_id = %d AND transaction_id = %s LIMIT 1", |
| 839 |
$bookingId, |
| 840 |
$transactionId |
| 841 |
) |
| 842 |
); |
| 843 |
if ($alreadyRecorded) { |
| 844 |
return; |
| 845 |
} |
| 846 |
} |
| 847 |
|
| 848 |
$amountDue = (float) ($booking->amount_due ?? ($booking->total_amount - $booking->amount_paid)); |
| 849 |
$amount = (float) ($paymentData['amount'] ?? $amountDue); |
| 850 |
$currency = $paymentData['currency'] ?? ($booking->currency ?? 'USD'); |
| 851 |
$previousBookingStatus = (string) ($booking->status ?? 'pending'); |
| 852 |
|
| 853 |
// Accumulate paid amount so deposit/partial flows don't get force-marked fully paid. |
| 854 |
$totalAmount = (float) ($booking->total_amount ?? 0); |
| 855 |
$newAmountPaid = (float) ($booking->amount_paid ?? 0) + $amount; |
| 856 |
$newAmountDue = max(0.0, $totalAmount - $newAmountPaid); |
| 857 |
$paymentStatus = $newAmountDue <= 0.01 ? 'paid' : 'partial'; |
| 858 |
|
| 859 |
// Update booking payment status |
| 860 |
$bookings_table = BookingsTable::getTableName(); |
| 861 |
$wpdb->update( |
| 862 |
$bookings_table, |
| 863 |
[ |
| 864 |
'payment_status' => $paymentStatus, |
| 865 |
'amount_paid' => $newAmountPaid, |
| 866 |
'amount_due' => $newAmountDue, |
| 867 |
'status' => 'confirmed', |
| 868 |
'confirmed_at' => current_time('mysql'), |
| 869 |
], |
| 870 |
['id' => $bookingId], |
| 871 |
['%s', '%f', '%f', '%s', '%s'], |
| 872 |
['%d'] |
| 873 |
); |
| 874 |
|
| 875 |
// Record the payment (note: column is `gateway`, not `payment_gateway`). |
| 876 |
$wpdb->insert( |
| 877 |
$payments_table, |
| 878 |
[ |
| 879 |
'booking_id' => $bookingId, |
| 880 |
'amount' => $amount, |
| 881 |
'currency' => $currency, |
| 882 |
'gateway' => 'paypal', |
| 883 |
'transaction_id' => $transactionId, |
| 884 |
'status' => 'completed', |
| 885 |
'created_at' => current_time('mysql'), |
| 886 |
], |
| 887 |
['%d', '%f', '%s', '%s', '%s', '%s', '%s'] |
| 888 |
); |
| 889 |
|
| 890 |
$this->log('PayPal payment completed', [ |
| 891 |
'booking_id' => $bookingId, |
| 892 |
'transaction_id' => $transactionId, |
| 893 |
'amount' => $amount, |
| 894 |
'payment_status' => $paymentStatus, |
| 895 |
]); |
| 896 |
|
| 897 |
\yatra_trigger_booking_confirmed($bookingId, $previousBookingStatus); |
| 898 |
|
| 899 |
// Fire action for other plugins/services |
| 900 |
do_action('yatra_payment_completed', [ |
| 901 |
'booking_id' => $bookingId, |
| 902 |
'transaction_id' => $transactionId, |
| 903 |
'amount' => $amount, |
| 904 |
'currency' => $currency, |
| 905 |
'gateway' => 'paypal', |
| 906 |
]); |
| 907 |
} |
| 908 |
} |
| 909 |
|
| 910 |
|
