paypal-standard.php
458 lines
| 1 | <?php |
| 2 | /** |
| 3 | * PayPal Standard Gateway |
| 4 | * |
| 5 | * @package Give |
| 6 | * @since 1.0 |
| 7 | * @copyright Copyright (c) 2016, GiveWP |
| 8 | * @license https://opensource.org/licenses/gpl-license GNU Public License |
| 9 | * @subpackage Gateways |
| 10 | */ |
| 11 | |
| 12 | use Give\PaymentGateways\Gateways\PayPalStandard\PayPalStandard; |
| 13 | |
| 14 | if ( ! defined('ABSPATH')) { |
| 15 | exit; |
| 16 | } |
| 17 | |
| 18 | /** |
| 19 | * Listens for a PayPal IPN requests and then sends to the processing function. |
| 20 | * |
| 21 | * @since 1.0 |
| 22 | * @return void |
| 23 | */ |
| 24 | function give_listen_for_paypal_ipn() |
| 25 | { |
| 26 | // Regular PayPal IPN. |
| 27 | if (isset($_GET['give-listener']) && 'IPN' === $_GET['give-listener']) { |
| 28 | /** |
| 29 | * Fires while verifying PayPal IPN |
| 30 | * |
| 31 | * @deprecated |
| 32 | * @since 1.0 |
| 33 | */ |
| 34 | do_action('give_verify_paypal_ipn'); |
| 35 | |
| 36 | give(PayPalStandard::class)->handleIpnNotification(); |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | add_action('init', 'give_listen_for_paypal_ipn'); |
| 41 | |
| 42 | /** |
| 43 | * Process PayPal IPN Refunds |
| 44 | * |
| 45 | * @since 1.0 |
| 46 | * @deprecated |
| 47 | * |
| 48 | * @param int $payment_id The payment ID. |
| 49 | * |
| 50 | * @param array $data IPN Data |
| 51 | * |
| 52 | * @return void |
| 53 | */ |
| 54 | function give_process_paypal_refund($data, $payment_id = 0) |
| 55 | { |
| 56 | // Collect payment details. |
| 57 | if (empty($payment_id)) { |
| 58 | return; |
| 59 | } |
| 60 | |
| 61 | // Only refund payments once. |
| 62 | if ('refunded' === get_post_status($payment_id)) { |
| 63 | return; |
| 64 | } |
| 65 | |
| 66 | $payment_amount = give_donation_amount($payment_id); |
| 67 | $refund_amount = $data['payment_gross'] * -1; |
| 68 | |
| 69 | if (number_format((float)$refund_amount, 2) < number_format((float)$payment_amount, 2)) { |
| 70 | give_insert_payment_note( |
| 71 | $payment_id, |
| 72 | sprintf( /* translators: %s: Paypal parent transaction ID */ |
| 73 | __('Partial PayPal refund processed: %s', 'give'), |
| 74 | $data['parent_txn_id'] |
| 75 | ) |
| 76 | ); |
| 77 | |
| 78 | return; // This is a partial refund |
| 79 | |
| 80 | } |
| 81 | |
| 82 | give_insert_payment_note( |
| 83 | $payment_id, |
| 84 | sprintf( /* translators: 1: Paypal parent transaction ID 2. Paypal reason code */ |
| 85 | __('PayPal Payment #%1$s Refunded for reason: %2$s', 'give'), |
| 86 | $data['parent_txn_id'], |
| 87 | $data['reason_code'] |
| 88 | ) |
| 89 | ); |
| 90 | give_insert_payment_note( |
| 91 | $payment_id, |
| 92 | sprintf( /* translators: %s: Paypal transaction ID */ |
| 93 | __('PayPal Refund Transaction ID: %s', 'give'), |
| 94 | $data['txn_id'] |
| 95 | ) |
| 96 | ); |
| 97 | give_update_payment_status($payment_id, 'refunded'); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Get PayPal Redirect |
| 102 | * |
| 103 | * @since 1.0 |
| 104 | * |
| 105 | * @param bool $ssl_check Is SSL? |
| 106 | * |
| 107 | * @return string |
| 108 | */ |
| 109 | function give_get_paypal_redirect($ssl_check = false) |
| 110 | { |
| 111 | if (is_ssl() || ! $ssl_check) { |
| 112 | $protocol = 'https://'; |
| 113 | } else { |
| 114 | $protocol = 'http://'; |
| 115 | } |
| 116 | |
| 117 | // Check the current payment mode |
| 118 | if (give_is_test_mode()) { |
| 119 | // Test mode |
| 120 | $paypal_uri = $protocol . 'www.sandbox.paypal.com/cgi-bin/webscr'; |
| 121 | } else { |
| 122 | // Live mode |
| 123 | $paypal_uri = $protocol . 'www.paypal.com/cgi-bin/webscr'; |
| 124 | } |
| 125 | |
| 126 | return apply_filters('give_paypal_uri', $paypal_uri); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Set the Page Style for offsite PayPal page. |
| 131 | * |
| 132 | * @since 1.0 |
| 133 | * @return string |
| 134 | */ |
| 135 | function give_get_paypal_page_style() |
| 136 | { |
| 137 | $page_style = trim(give_get_option('paypal_page_style', 'PayPal')); |
| 138 | |
| 139 | return apply_filters('give_paypal_page_style', $page_style); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * PayPal Success Page |
| 144 | * |
| 145 | * Shows "Donation Processing" message for PayPal payments that are still pending on site return |
| 146 | * |
| 147 | * @since 1.0 |
| 148 | * |
| 149 | * @param $content |
| 150 | * |
| 151 | * @return string |
| 152 | */ |
| 153 | function give_paypal_success_page_content($content) |
| 154 | { |
| 155 | if ( ! isset($_GET['payment-id']) && ! give_get_purchase_session()) { |
| 156 | return $content; |
| 157 | } |
| 158 | |
| 159 | $payment_id = isset($_GET['payment-id']) ? absint($_GET['payment-id']) : false; |
| 160 | |
| 161 | if ( ! $payment_id) { |
| 162 | $session = give_get_purchase_session(); |
| 163 | $payment_id = give_get_donation_id_by_key($session['purchase_key']); |
| 164 | } |
| 165 | |
| 166 | $payment = get_post($payment_id); |
| 167 | if ($payment && 'pending' === $payment->post_status) { |
| 168 | // Payment is still pending so show processing indicator to fix the race condition. |
| 169 | ob_start(); |
| 170 | |
| 171 | give_get_template_part('payment', 'processing'); |
| 172 | |
| 173 | $content = ob_get_clean(); |
| 174 | } |
| 175 | |
| 176 | return $content; |
| 177 | } |
| 178 | |
| 179 | add_filter('give_payment_confirm_paypal', 'give_paypal_success_page_content'); |
| 180 | |
| 181 | /** |
| 182 | * Given a transaction ID, generate a link to the PayPal transaction ID details |
| 183 | * |
| 184 | * @since 1.0 |
| 185 | * |
| 186 | * @param int $payment_id The payment ID for this transaction |
| 187 | * |
| 188 | * @param string $transaction_id The Transaction ID |
| 189 | * |
| 190 | * @return string A link to the PayPal transaction details |
| 191 | */ |
| 192 | function give_paypal_link_transaction_id($transaction_id, $payment_id) |
| 193 | { |
| 194 | $paypal_base_url = 'https://history.paypal.com/cgi-bin/webscr?cmd=_history-details-from-hub&id='; |
| 195 | $transaction_url = '<a href="' . esc_url( |
| 196 | $paypal_base_url . $transaction_id |
| 197 | ) . '" target="_blank">' . $transaction_id . '</a>'; |
| 198 | |
| 199 | return apply_filters('give_paypal_link_payment_details_transaction_id', $transaction_url); |
| 200 | } |
| 201 | |
| 202 | add_filter('give_payment_details_transaction_id-paypal', 'give_paypal_link_transaction_id', 10, 2); |
| 203 | |
| 204 | |
| 205 | /** |
| 206 | * Get pending donation note. |
| 207 | * |
| 208 | * @since 1.6.3 |
| 209 | * |
| 210 | * @param $pending_reason |
| 211 | * |
| 212 | * @return string |
| 213 | */ |
| 214 | function give_paypal_get_pending_donation_note($pending_reason) |
| 215 | { |
| 216 | $note = ''; |
| 217 | |
| 218 | switch ($pending_reason) { |
| 219 | case 'echeck': |
| 220 | $note = __('Payment made via eCheck and will clear automatically in 5-8 days.', 'give'); |
| 221 | break; |
| 222 | |
| 223 | case 'address': |
| 224 | $note = __( |
| 225 | 'Payment requires a confirmed donor address and must be accepted manually through PayPal.', |
| 226 | 'give' |
| 227 | ); |
| 228 | break; |
| 229 | |
| 230 | case 'intl': |
| 231 | $note = __( |
| 232 | 'Payment must be accepted manually through PayPal due to international account regulations.', |
| 233 | 'give' |
| 234 | ); |
| 235 | break; |
| 236 | |
| 237 | case 'multi-currency': |
| 238 | $note = __('Payment received in non-shop currency and must be accepted manually through PayPal.', 'give'); |
| 239 | break; |
| 240 | |
| 241 | case 'paymentreview': |
| 242 | case 'regulatory_review': |
| 243 | $note = __( |
| 244 | 'Payment is being reviewed by PayPal staff as high-risk or in possible violation of government regulations.', |
| 245 | 'give' |
| 246 | ); |
| 247 | break; |
| 248 | |
| 249 | case 'unilateral': |
| 250 | $note = __('Payment was sent to non-confirmed or non-registered email address.', 'give'); |
| 251 | break; |
| 252 | |
| 253 | case 'upgrade': |
| 254 | $note = __('PayPal account must be upgraded before this payment can be accepted.', 'give'); |
| 255 | break; |
| 256 | |
| 257 | case 'verify': |
| 258 | $note = __('PayPal account is not verified. Verify account in order to accept this donation.', 'give'); |
| 259 | break; |
| 260 | |
| 261 | case 'other': |
| 262 | $note = __('Payment is pending for unknown reasons. Contact PayPal support for assistance.', 'give'); |
| 263 | break; |
| 264 | } // End switch(). |
| 265 | |
| 266 | return apply_filters('give_paypal_get_pending_donation_note', $note); |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * Build paypal url |
| 271 | * |
| 272 | * @deprecated |
| 273 | * |
| 274 | * @param int $payment_id Payment ID |
| 275 | * @param array $payment_data Array of payment data. |
| 276 | * |
| 277 | * @return mixed|string |
| 278 | */ |
| 279 | function give_build_paypal_url($payment_id, $payment_data) |
| 280 | { |
| 281 | // Only send to PayPal if the pending payment is created successfully. |
| 282 | $listener_url = add_query_arg('give-listener', 'IPN', home_url('index.php')); |
| 283 | |
| 284 | // Get the success url. |
| 285 | $return_url = add_query_arg( |
| 286 | [ |
| 287 | 'payment-confirmation' => 'paypal', |
| 288 | 'payment-id' => $payment_id, |
| 289 | ], |
| 290 | give_get_success_page_uri() |
| 291 | ); |
| 292 | |
| 293 | // Get the PayPal redirect uri. |
| 294 | $paypal_redirect = trailingslashit(give_get_paypal_redirect()) . '?'; |
| 295 | |
| 296 | // Item name. |
| 297 | $item_name = give_payment_gateway_item_title($payment_data); |
| 298 | |
| 299 | // Setup PayPal API params. |
| 300 | $paypal_args = [ |
| 301 | 'business' => give_get_option('paypal_email', false), |
| 302 | 'first_name' => $payment_data['user_info']['first_name'], |
| 303 | 'last_name' => $payment_data['user_info']['last_name'], |
| 304 | 'email' => $payment_data['user_email'], |
| 305 | 'invoice' => $payment_data['purchase_key'], |
| 306 | 'amount' => $payment_data['price'], |
| 307 | 'item_name' => stripslashes($item_name), |
| 308 | 'no_shipping' => '1', |
| 309 | 'shipping' => '0', |
| 310 | 'no_note' => '1', |
| 311 | 'currency_code' => give_get_currency($payment_id, $payment_data), |
| 312 | 'charset' => get_bloginfo('charset'), |
| 313 | 'custom' => $payment_id, |
| 314 | 'rm' => '2', |
| 315 | 'return' => $return_url, |
| 316 | 'cancel_return' => give_get_failed_transaction_uri(), |
| 317 | 'notify_url' => $listener_url, |
| 318 | 'page_style' => give_get_paypal_page_style(), |
| 319 | 'cbt' => get_bloginfo('name'), |
| 320 | 'bn' => 'givewp_SP', |
| 321 | ]; |
| 322 | |
| 323 | // Add user address if present. |
| 324 | if ( ! empty($payment_data['user_info']['address'])) { |
| 325 | $default_address = [ |
| 326 | 'line1' => '', |
| 327 | 'line2' => '', |
| 328 | 'city' => '', |
| 329 | 'state' => '', |
| 330 | 'zip' => '', |
| 331 | 'country' => '', |
| 332 | ]; |
| 333 | |
| 334 | $address = wp_parse_args($payment_data['user_info']['address'], $default_address); |
| 335 | |
| 336 | $paypal_args['address1'] = $address['line1']; |
| 337 | $paypal_args['address2'] = $address['line2']; |
| 338 | $paypal_args['city'] = $address['city']; |
| 339 | $paypal_args['state'] = $address['state']; |
| 340 | $paypal_args['zip'] = $address['zip']; |
| 341 | $paypal_args['country'] = $address['country']; |
| 342 | } |
| 343 | |
| 344 | // Donations or regular transactions? |
| 345 | $paypal_args['cmd'] = give_get_paypal_button_type(); |
| 346 | |
| 347 | /** |
| 348 | * Filter the paypal redirect args. |
| 349 | * |
| 350 | * @since 1.8 |
| 351 | * |
| 352 | * @param array $payment_data Payment Data. |
| 353 | * |
| 354 | * @param array $paypal_args PayPal Arguments. |
| 355 | */ |
| 356 | $paypal_args = apply_filters('give_paypal_redirect_args', $paypal_args, $payment_data); |
| 357 | |
| 358 | // Build query. |
| 359 | $paypal_redirect .= http_build_query($paypal_args); |
| 360 | |
| 361 | // Fix for some sites that encode the entities. |
| 362 | $paypal_redirect = str_replace('&', '&', $paypal_redirect); |
| 363 | |
| 364 | return $paypal_redirect; |
| 365 | } |
| 366 | |
| 367 | |
| 368 | /** |
| 369 | * Get paypal button type. |
| 370 | * |
| 371 | * @since 1.8 |
| 372 | * @return string |
| 373 | */ |
| 374 | function give_get_paypal_button_type() |
| 375 | { |
| 376 | // paypal_button_type can be donation or standard. |
| 377 | $paypal_button_type = '_donations'; |
| 378 | if ('standard' === give_get_option('paypal_button_type')) { |
| 379 | $paypal_button_type = '_xclick'; |
| 380 | } |
| 381 | |
| 382 | return $paypal_button_type; |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * Update Purchase key for specific gateway. |
| 387 | * |
| 388 | * @since 2.2.4 |
| 389 | * |
| 390 | * @param string $gateway |
| 391 | * @param string $purchase_key |
| 392 | * |
| 393 | * @param string $custom_purchase_key |
| 394 | * |
| 395 | * @return string |
| 396 | */ |
| 397 | function give_paypal_purchase_key($custom_purchase_key, $gateway, $purchase_key) |
| 398 | { |
| 399 | if ('paypal' === $gateway) { |
| 400 | $invoice_id_prefix = give_get_option('paypal_invoice_prefix', 'GIVE-'); |
| 401 | $custom_purchase_key = $invoice_id_prefix . $purchase_key; |
| 402 | } |
| 403 | |
| 404 | return $custom_purchase_key; |
| 405 | } |
| 406 | |
| 407 | add_filter('give_donation_purchase_key', 'give_paypal_purchase_key', 10, 3); |
| 408 | |
| 409 | |
| 410 | /** |
| 411 | * PayPal Standard Connect button. |
| 412 | * |
| 413 | * This uses Stripe's Connect button but swaps the link and logo with PayPal's. |
| 414 | * |
| 415 | * @since 2.5.0 |
| 416 | * @return string |
| 417 | */ |
| 418 | function give_paypal_connect_button() |
| 419 | { |
| 420 | ob_start(); ?> |
| 421 | |
| 422 | <script> |
| 423 | function onboardedCallback(authCode, sharedId) { |
| 424 | fetch('/seller-server/login-seller', { |
| 425 | method: 'POST', |
| 426 | headers: { |
| 427 | 'content-type': 'application/json' |
| 428 | }, |
| 429 | body: JSON.stringify({ |
| 430 | authCode: authCode, |
| 431 | sharedId: sharedId |
| 432 | }) |
| 433 | }).then(function (res) { |
| 434 | if (!response.ok) { |
| 435 | alert("Something went wrong!"); |
| 436 | } |
| 437 | }); |
| 438 | } |
| 439 | </script> |
| 440 | <a target="_blank" data-paypal-onboard-complete="onboardedCallback" href="<Action-URL>&displayMode=minibrowser" |
| 441 | data-paypal-button="true">Sign up for PayPal</a> |
| 442 | <script id="paypal-js" |
| 443 | src="https://www.sandbox.paypal.com/webapps/merchantboarding/js/lib/lightbox/partner.js"></script> |
| 444 | |
| 445 | <?php |
| 446 | return ob_get_clean(); |
| 447 | |
| 448 | // Prepare Stripe Connect URL. |
| 449 | // $link = admin_url( 'edit.php?post_type=give_forms&page=give-settings&tab=gateways§ion=paypal-standard' ); |
| 450 | // |
| 451 | // return sprintf( |
| 452 | // '<a href="%1$s" id="give-paypal-connect"><span>%2$s</span></a>', |
| 453 | // esc_url( $link ), |
| 454 | // esc_html__( 'Connect to PayPal', 'give' ) |
| 455 | // ); |
| 456 | |
| 457 | } |
| 458 |