stripe
6 years ago
actions.php
6 years ago
functions.php
6 years ago
manual.php
6 years ago
offline-donations.php
7 years ago
paypal-standard.php
6 years ago
paypal-standard.php
750 lines
| 1 | <?php |
| 2 | /** |
| 3 | * PayPal Standard Gateway |
| 4 | * |
| 5 | * @package Give |
| 6 | * @subpackage Gateways |
| 7 | * @copyright Copyright (c) 2016, GiveWP |
| 8 | * @license https://opensource.org/licenses/gpl-license GNU Public License |
| 9 | * @since 1.0 |
| 10 | */ |
| 11 | |
| 12 | if ( ! defined( 'ABSPATH' ) ) { |
| 13 | exit; |
| 14 | } |
| 15 | |
| 16 | /** |
| 17 | * Toggle PayPal CC Billing Detail Fieldset. |
| 18 | * |
| 19 | * @param int $form_id Form ID. |
| 20 | * |
| 21 | * @return bool |
| 22 | * @since 1.8.5 |
| 23 | * |
| 24 | */ |
| 25 | function give_paypal_standard_billing_fields( $form_id ) { |
| 26 | |
| 27 | if ( give_is_setting_enabled( give_get_option( 'paypal_standard_billing_details' ) ) ) { |
| 28 | give_default_cc_address_fields( $form_id ); |
| 29 | |
| 30 | return true; |
| 31 | } |
| 32 | |
| 33 | return false; |
| 34 | |
| 35 | } |
| 36 | |
| 37 | add_action( 'give_paypal_cc_form', 'give_paypal_standard_billing_fields' ); |
| 38 | |
| 39 | /** |
| 40 | * Process PayPal Payment. |
| 41 | * |
| 42 | * @param array $payment_data Payment data. |
| 43 | * |
| 44 | * @return void |
| 45 | * @since 1.0 |
| 46 | * |
| 47 | */ |
| 48 | function give_process_paypal_payment( $payment_data ) { |
| 49 | |
| 50 | // Validate nonce. |
| 51 | give_validate_nonce( $payment_data['gateway_nonce'], 'give-gateway' ); |
| 52 | |
| 53 | $payment_id = give_create_payment( $payment_data ); |
| 54 | |
| 55 | // Check payment. |
| 56 | if ( empty( $payment_id ) ) { |
| 57 | // Record the error. |
| 58 | give_record_gateway_error( |
| 59 | __( 'Payment Error', 'give' ), sprintf( /* translators: %s: payment data */ |
| 60 | __( 'Payment creation failed before sending donor to PayPal. Payment data: %s', 'give' ), json_encode( $payment_data ) |
| 61 | ), $payment_id |
| 62 | ); |
| 63 | // Problems? Send back. |
| 64 | give_send_back_to_checkout( '?payment-mode=' . $payment_data['post_data']['give-gateway'] ); |
| 65 | } |
| 66 | |
| 67 | // Redirect to PayPal. |
| 68 | wp_redirect( give_build_paypal_url( $payment_id, $payment_data ) ); |
| 69 | exit; |
| 70 | } |
| 71 | |
| 72 | add_action( 'give_gateway_paypal', 'give_process_paypal_payment' ); |
| 73 | |
| 74 | /** |
| 75 | * Listens for a PayPal IPN requests and then sends to the processing function. |
| 76 | * |
| 77 | * @return void |
| 78 | * @since 1.0 |
| 79 | */ |
| 80 | function give_listen_for_paypal_ipn() { |
| 81 | |
| 82 | // Regular PayPal IPN. |
| 83 | if ( isset( $_GET['give-listener'] ) && 'IPN' === $_GET['give-listener'] ) { |
| 84 | /** |
| 85 | * Fires while verifying PayPal IPN |
| 86 | * |
| 87 | * @since 1.0 |
| 88 | */ |
| 89 | do_action( 'give_verify_paypal_ipn' ); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | add_action( 'init', 'give_listen_for_paypal_ipn' ); |
| 94 | |
| 95 | /** |
| 96 | * Process PayPal IPN |
| 97 | * |
| 98 | * @return void |
| 99 | * @since 1.0 |
| 100 | */ |
| 101 | function give_process_paypal_ipn() { |
| 102 | |
| 103 | // Check the request method is POST. |
| 104 | if ( isset( $_SERVER['REQUEST_METHOD'] ) && 'POST' !== $_SERVER['REQUEST_METHOD'] ) { |
| 105 | return; |
| 106 | } |
| 107 | |
| 108 | // Set initial post data to empty string. |
| 109 | $post_data = ''; |
| 110 | |
| 111 | // Fallback just in case post_max_size is lower than needed. |
| 112 | if ( ini_get( 'allow_url_fopen' ) ) { |
| 113 | $post_data = file_get_contents( 'php://input' ); |
| 114 | } else { |
| 115 | // If allow_url_fopen is not enabled, then make sure that post_max_size is large enough. |
| 116 | ini_set( 'post_max_size', '12M' ); |
| 117 | } |
| 118 | // Start the encoded data collection with notification command. |
| 119 | $encoded_data = 'cmd=_notify-validate'; |
| 120 | |
| 121 | // Get current arg separator. |
| 122 | $arg_separator = give_get_php_arg_separator_output(); |
| 123 | |
| 124 | // Verify there is a post_data. |
| 125 | if ( $post_data || strlen( $post_data ) > 0 ) { |
| 126 | // Append the data. |
| 127 | $encoded_data .= $arg_separator . $post_data; |
| 128 | } else { |
| 129 | // Check if POST is empty. |
| 130 | if ( empty( $_POST ) ) { |
| 131 | // Nothing to do. |
| 132 | return; |
| 133 | } else { |
| 134 | // Loop through each POST. |
| 135 | foreach ( $_POST as $key => $value ) { |
| 136 | // Encode the value and append the data. |
| 137 | $encoded_data .= $arg_separator . "$key=" . urlencode( $value ); |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | // Convert collected post data to an array. |
| 143 | parse_str( $encoded_data, $encoded_data_array ); |
| 144 | |
| 145 | foreach ( $encoded_data_array as $key => $value ) { |
| 146 | |
| 147 | if ( false !== strpos( $key, 'amp;' ) ) { |
| 148 | $new_key = str_replace( '&', '&', $key ); |
| 149 | $new_key = str_replace( 'amp;', '&', $new_key ); |
| 150 | |
| 151 | unset( $encoded_data_array[ $key ] ); |
| 152 | $encoded_data_array[ $new_key ] = $value; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | $api_response = false; |
| 157 | |
| 158 | // Validate IPN request w/ PayPal if user hasn't disabled this security measure. |
| 159 | if ( give_is_setting_enabled( give_get_option( 'paypal_verification' ) ) ) { |
| 160 | |
| 161 | $remote_post_vars = array( |
| 162 | 'method' => 'POST', |
| 163 | 'timeout' => 45, |
| 164 | 'redirection' => 5, |
| 165 | 'httpversion' => '1.1', |
| 166 | 'blocking' => true, |
| 167 | 'headers' => array( |
| 168 | 'host' => 'www.paypal.com', |
| 169 | 'connection' => 'close', |
| 170 | 'content-type' => 'application/x-www-form-urlencoded', |
| 171 | 'post' => '/cgi-bin/webscr HTTP/1.1', |
| 172 | |
| 173 | ), |
| 174 | 'sslverify' => false, |
| 175 | 'body' => $encoded_data_array, |
| 176 | ); |
| 177 | |
| 178 | // Validate the IPN. |
| 179 | $api_response = wp_remote_post( give_get_paypal_redirect(), $remote_post_vars ); |
| 180 | |
| 181 | if ( is_wp_error( $api_response ) ) { |
| 182 | give_record_gateway_error( |
| 183 | __( 'IPN Error', 'give' ), sprintf( /* translators: %s: Paypal IPN response */ |
| 184 | __( 'Invalid IPN verification response. IPN data: %s', 'give' ), json_encode( $api_response ) |
| 185 | ) |
| 186 | ); |
| 187 | |
| 188 | return; // Something went wrong. |
| 189 | } |
| 190 | |
| 191 | if ( 'VERIFIED' !== $api_response['body'] ) { |
| 192 | give_record_gateway_error( |
| 193 | __( 'IPN Error', 'give' ), sprintf( /* translators: %s: Paypal IPN response */ |
| 194 | __( 'Invalid IPN verification response. IPN data: %s', 'give' ), json_encode( $api_response ) |
| 195 | ) |
| 196 | ); |
| 197 | |
| 198 | return; // Response not okay. |
| 199 | } |
| 200 | }// End if(). |
| 201 | |
| 202 | // Check if $post_data_array has been populated. |
| 203 | if ( ! is_array( $encoded_data_array ) && ! empty( $encoded_data_array ) ) { |
| 204 | return; |
| 205 | } |
| 206 | |
| 207 | $defaults = array( |
| 208 | 'txn_type' => '', |
| 209 | 'payment_status' => '', |
| 210 | ); |
| 211 | |
| 212 | $encoded_data_array = wp_parse_args( $encoded_data_array, $defaults ); |
| 213 | |
| 214 | $payment_id = isset( $encoded_data_array['custom'] ) ? absint( $encoded_data_array['custom'] ) : 0; |
| 215 | $txn_type = $encoded_data_array['txn_type']; |
| 216 | |
| 217 | // Check for PayPal IPN Notifications and update data based on it. |
| 218 | $current_timestamp = current_time( 'timestamp' ); |
| 219 | $paypal_ipn_vars = array( |
| 220 | 'auth_status' => isset( $api_response['body'] ) ? $api_response['body'] : 'N/A', |
| 221 | 'transaction_id' => isset( $encoded_data_array['txn_id'] ) ? $encoded_data_array['txn_id'] : 'N/A', |
| 222 | 'payment_id' => $payment_id, |
| 223 | ); |
| 224 | update_option( 'give_last_paypal_ipn_received', $paypal_ipn_vars, false ); |
| 225 | give_insert_payment_note( |
| 226 | $payment_id, sprintf( |
| 227 | __( 'IPN received on %1$s at %2$s', 'give' ), |
| 228 | date_i18n( 'm/d/Y', $current_timestamp ), |
| 229 | date_i18n( 'H:i', $current_timestamp ) |
| 230 | ) |
| 231 | ); |
| 232 | give_update_meta( $payment_id, 'give_last_paypal_ipn_received', $current_timestamp ); |
| 233 | |
| 234 | if ( has_action( 'give_paypal_' . $txn_type ) ) { |
| 235 | /** |
| 236 | * Fires while processing PayPal IPN $txn_type. |
| 237 | * |
| 238 | * Allow PayPal IPN types to be processed separately. |
| 239 | * |
| 240 | * @param array $encoded_data_array Encoded data. |
| 241 | * @param int $payment_id Payment id. |
| 242 | * |
| 243 | * @since 1.0 |
| 244 | * |
| 245 | */ |
| 246 | do_action( "give_paypal_{$txn_type}", $encoded_data_array, $payment_id ); |
| 247 | } else { |
| 248 | /** |
| 249 | * Fires while process PayPal IPN. |
| 250 | * |
| 251 | * Fallback to web accept just in case the txn_type isn't present. |
| 252 | * |
| 253 | * @param array $encoded_data_array Encoded data. |
| 254 | * @param int $payment_id Payment id. |
| 255 | * |
| 256 | * @since 1.0 |
| 257 | * |
| 258 | */ |
| 259 | do_action( 'give_paypal_web_accept', $encoded_data_array, $payment_id ); |
| 260 | } |
| 261 | exit; |
| 262 | } |
| 263 | |
| 264 | add_action( 'give_verify_paypal_ipn', 'give_process_paypal_ipn' ); |
| 265 | |
| 266 | /** |
| 267 | * Process web accept (one time) payment IPNs. |
| 268 | * |
| 269 | * @param array $data The IPN Data. |
| 270 | * @param int $payment_id The payment ID from Give. |
| 271 | * |
| 272 | * @return void |
| 273 | * @since 1.0 |
| 274 | * |
| 275 | */ |
| 276 | function give_process_paypal_web_accept( $data, $payment_id ) { |
| 277 | |
| 278 | // Only allow through these transaction types. |
| 279 | if ( 'web_accept' !== $data['txn_type'] && 'cart' !== $data['txn_type'] && 'refunded' !== strtolower( $data['payment_status'] ) ) { |
| 280 | return; |
| 281 | } |
| 282 | |
| 283 | // Need $payment_id to continue. |
| 284 | if ( empty( $payment_id ) ) { |
| 285 | return; |
| 286 | } |
| 287 | |
| 288 | // Collect donation payment details. |
| 289 | $paypal_amount = $data['mc_gross']; |
| 290 | $payment_status = strtolower( $data['payment_status'] ); |
| 291 | $currency_code = strtolower( $data['mc_currency'] ); |
| 292 | $business_email = isset( $data['business'] ) && is_email( $data['business'] ) ? trim( $data['business'] ) : trim( $data['receiver_email'] ); |
| 293 | $payment_meta = give_get_payment_meta( $payment_id ); |
| 294 | |
| 295 | // Must be a PayPal standard IPN. |
| 296 | if ( 'paypal' !== give_get_payment_gateway( $payment_id ) ) { |
| 297 | return; |
| 298 | } |
| 299 | |
| 300 | // Verify payment recipient. |
| 301 | if ( strcasecmp( $business_email, trim( give_get_option( 'paypal_email' ) ) ) !== 0 ) { |
| 302 | |
| 303 | give_record_gateway_error( |
| 304 | __( 'IPN Error', 'give' ), sprintf( /* translators: %s: Paypal IPN response */ |
| 305 | __( 'Invalid business email in IPN response. IPN data: %s', 'give' ), json_encode( $data ) |
| 306 | ), $payment_id |
| 307 | ); |
| 308 | give_update_payment_status( $payment_id, 'failed' ); |
| 309 | give_insert_payment_note( $payment_id, __( 'Payment failed due to invalid PayPal business email.', 'give' ) ); |
| 310 | |
| 311 | return; |
| 312 | } |
| 313 | |
| 314 | // Verify payment currency. |
| 315 | if ( $currency_code !== strtolower( $payment_meta['currency'] ) ) { |
| 316 | |
| 317 | give_record_gateway_error( |
| 318 | __( 'IPN Error', 'give' ), sprintf( /* translators: %s: Paypal IPN response */ |
| 319 | __( 'Invalid currency in IPN response. IPN data: %s', 'give' ), json_encode( $data ) |
| 320 | ), $payment_id |
| 321 | ); |
| 322 | give_update_payment_status( $payment_id, 'failed' ); |
| 323 | give_insert_payment_note( $payment_id, __( 'Payment failed due to invalid currency in PayPal IPN.', 'give' ) ); |
| 324 | |
| 325 | return; |
| 326 | } |
| 327 | |
| 328 | // Process refunds & reversed. |
| 329 | if ( 'refunded' === $payment_status || 'reversed' === $payment_status ) { |
| 330 | give_process_paypal_refund( $data, $payment_id ); |
| 331 | |
| 332 | return; |
| 333 | } |
| 334 | |
| 335 | // Only complete payments once. |
| 336 | if ( 'publish' === get_post_status( $payment_id ) ) { |
| 337 | return; |
| 338 | } |
| 339 | |
| 340 | // Retrieve the total donation amount (before PayPal). |
| 341 | $payment_amount = give_donation_amount( $payment_id ); |
| 342 | |
| 343 | // Check that the donation PP and local db amounts match. |
| 344 | if ( number_format( (float) $paypal_amount, 2 ) < number_format( (float) $payment_amount, 2 ) ) { |
| 345 | // The prices don't match |
| 346 | give_record_gateway_error( |
| 347 | __( 'IPN Error', 'give' ), sprintf( /* translators: %s: Paypal IPN response */ |
| 348 | __( 'Invalid payment amount in IPN response. IPN data: %s', 'give' ), json_encode( $data ) |
| 349 | ), $payment_id |
| 350 | ); |
| 351 | give_update_payment_status( $payment_id, 'failed' ); |
| 352 | give_insert_payment_note( $payment_id, __( 'Payment failed due to invalid amount in PayPal IPN.', 'give' ) ); |
| 353 | |
| 354 | return; |
| 355 | } |
| 356 | |
| 357 | // Process completed donations. |
| 358 | if ( 'completed' === $payment_status || give_is_test_mode() ) { |
| 359 | |
| 360 | give_insert_payment_note( |
| 361 | $payment_id, sprintf( /* translators: %s: Paypal transaction ID */ |
| 362 | __( 'PayPal Transaction ID: %s', 'give' ), $data['txn_id'] |
| 363 | ) |
| 364 | ); |
| 365 | give_set_payment_transaction_id( $payment_id, $data['txn_id'] ); |
| 366 | give_update_payment_status( $payment_id, 'publish' ); |
| 367 | |
| 368 | } elseif ( 'pending' === $payment_status && isset( $data['pending_reason'] ) ) { |
| 369 | |
| 370 | // Look for possible pending reasons, such as an eCheck. |
| 371 | $note = give_paypal_get_pending_donation_note( $data['pending_reason'] ); |
| 372 | |
| 373 | if ( ! empty( $note ) ) { |
| 374 | give_insert_payment_note( $payment_id, $note ); |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | } |
| 379 | |
| 380 | add_action( 'give_paypal_web_accept', 'give_process_paypal_web_accept', 10, 2 ); |
| 381 | |
| 382 | /** |
| 383 | * Process PayPal IPN Refunds |
| 384 | * |
| 385 | * @param array $data IPN Data |
| 386 | * @param int $payment_id The payment ID. |
| 387 | * |
| 388 | * @return void |
| 389 | * @since 1.0 |
| 390 | * |
| 391 | */ |
| 392 | function give_process_paypal_refund( $data, $payment_id = 0 ) { |
| 393 | |
| 394 | // Collect payment details. |
| 395 | if ( empty( $payment_id ) ) { |
| 396 | return; |
| 397 | } |
| 398 | |
| 399 | // Only refund payments once. |
| 400 | if ( 'refunded' === get_post_status( $payment_id ) ) { |
| 401 | return; |
| 402 | } |
| 403 | |
| 404 | $payment_amount = give_donation_amount( $payment_id ); |
| 405 | $refund_amount = $data['payment_gross'] * - 1; |
| 406 | |
| 407 | if ( number_format( (float) $refund_amount, 2 ) < number_format( (float) $payment_amount, 2 ) ) { |
| 408 | |
| 409 | give_insert_payment_note( |
| 410 | $payment_id, sprintf( /* translators: %s: Paypal parent transaction ID */ |
| 411 | __( 'Partial PayPal refund processed: %s', 'give' ), $data['parent_txn_id'] |
| 412 | ) |
| 413 | ); |
| 414 | |
| 415 | return; // This is a partial refund |
| 416 | |
| 417 | } |
| 418 | |
| 419 | give_insert_payment_note( |
| 420 | $payment_id, sprintf( /* translators: 1: Paypal parent transaction ID 2. Paypal reason code */ |
| 421 | __( 'PayPal Payment #%1$s Refunded for reason: %2$s', 'give' ), $data['parent_txn_id'], $data['reason_code'] |
| 422 | ) |
| 423 | ); |
| 424 | give_insert_payment_note( |
| 425 | $payment_id, sprintf( /* translators: %s: Paypal transaction ID */ |
| 426 | __( 'PayPal Refund Transaction ID: %s', 'give' ), $data['txn_id'] |
| 427 | ) |
| 428 | ); |
| 429 | give_update_payment_status( $payment_id, 'refunded' ); |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * Get PayPal Redirect |
| 434 | * |
| 435 | * @param bool $ssl_check Is SSL? |
| 436 | * |
| 437 | * @return string |
| 438 | * @since 1.0 |
| 439 | * |
| 440 | */ |
| 441 | function give_get_paypal_redirect( $ssl_check = false ) { |
| 442 | |
| 443 | if ( is_ssl() || ! $ssl_check ) { |
| 444 | $protocol = 'https://'; |
| 445 | } else { |
| 446 | $protocol = 'http://'; |
| 447 | } |
| 448 | |
| 449 | // Check the current payment mode |
| 450 | if ( give_is_test_mode() ) { |
| 451 | // Test mode |
| 452 | $paypal_uri = $protocol . 'www.sandbox.paypal.com/cgi-bin/webscr'; |
| 453 | } else { |
| 454 | // Live mode |
| 455 | $paypal_uri = $protocol . 'www.paypal.com/cgi-bin/webscr'; |
| 456 | } |
| 457 | |
| 458 | return apply_filters( 'give_paypal_uri', $paypal_uri ); |
| 459 | } |
| 460 | |
| 461 | /** |
| 462 | * Set the Page Style for offsite PayPal page. |
| 463 | * |
| 464 | * @return string |
| 465 | * @since 1.0 |
| 466 | */ |
| 467 | function give_get_paypal_page_style() { |
| 468 | $page_style = trim( give_get_option( 'paypal_page_style', 'PayPal' ) ); |
| 469 | |
| 470 | return apply_filters( 'give_paypal_page_style', $page_style ); |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * PayPal Success Page |
| 475 | * |
| 476 | * Shows "Donation Processing" message for PayPal payments that are still pending on site return |
| 477 | * |
| 478 | * @param $content |
| 479 | * |
| 480 | * @return string |
| 481 | * @since 1.0 |
| 482 | * |
| 483 | */ |
| 484 | function give_paypal_success_page_content( $content ) { |
| 485 | |
| 486 | if ( ! isset( $_GET['payment-id'] ) && ! give_get_purchase_session() ) { |
| 487 | return $content; |
| 488 | } |
| 489 | |
| 490 | $payment_id = isset( $_GET['payment-id'] ) ? absint( $_GET['payment-id'] ) : false; |
| 491 | |
| 492 | if ( ! $payment_id ) { |
| 493 | $session = give_get_purchase_session(); |
| 494 | $payment_id = give_get_donation_id_by_key( $session['purchase_key'] ); |
| 495 | } |
| 496 | |
| 497 | $payment = get_post( $payment_id ); |
| 498 | if ( $payment && 'pending' === $payment->post_status ) { |
| 499 | |
| 500 | // Payment is still pending so show processing indicator to fix the race condition. |
| 501 | ob_start(); |
| 502 | |
| 503 | give_get_template_part( 'payment', 'processing' ); |
| 504 | |
| 505 | $content = ob_get_clean(); |
| 506 | |
| 507 | } |
| 508 | |
| 509 | return $content; |
| 510 | |
| 511 | } |
| 512 | |
| 513 | add_filter( 'give_payment_confirm_paypal', 'give_paypal_success_page_content' ); |
| 514 | |
| 515 | /** |
| 516 | * Given a transaction ID, generate a link to the PayPal transaction ID details |
| 517 | * |
| 518 | * @param string $transaction_id The Transaction ID |
| 519 | * @param int $payment_id The payment ID for this transaction |
| 520 | * |
| 521 | * @return string A link to the PayPal transaction details |
| 522 | * @since 1.0 |
| 523 | * |
| 524 | */ |
| 525 | function give_paypal_link_transaction_id( $transaction_id, $payment_id ) { |
| 526 | |
| 527 | $paypal_base_url = 'https://history.paypal.com/cgi-bin/webscr?cmd=_history-details-from-hub&id='; |
| 528 | $transaction_url = '<a href="' . esc_url( $paypal_base_url . $transaction_id ) . '" target="_blank">' . $transaction_id . '</a>'; |
| 529 | |
| 530 | return apply_filters( 'give_paypal_link_payment_details_transaction_id', $transaction_url ); |
| 531 | |
| 532 | } |
| 533 | |
| 534 | add_filter( 'give_payment_details_transaction_id-paypal', 'give_paypal_link_transaction_id', 10, 2 ); |
| 535 | |
| 536 | |
| 537 | /** |
| 538 | * Get pending donation note. |
| 539 | * |
| 540 | * @param $pending_reason |
| 541 | * |
| 542 | * @return string |
| 543 | * @since 1.6.3 |
| 544 | * |
| 545 | */ |
| 546 | function give_paypal_get_pending_donation_note( $pending_reason ) { |
| 547 | |
| 548 | $note = ''; |
| 549 | |
| 550 | switch ( $pending_reason ) { |
| 551 | |
| 552 | case 'echeck': |
| 553 | $note = __( 'Payment made via eCheck and will clear automatically in 5-8 days.', 'give' ); |
| 554 | break; |
| 555 | |
| 556 | case 'address': |
| 557 | $note = __( 'Payment requires a confirmed donor address and must be accepted manually through PayPal.', 'give' ); |
| 558 | break; |
| 559 | |
| 560 | case 'intl': |
| 561 | $note = __( 'Payment must be accepted manually through PayPal due to international account regulations.', 'give' ); |
| 562 | break; |
| 563 | |
| 564 | case 'multi-currency': |
| 565 | $note = __( 'Payment received in non-shop currency and must be accepted manually through PayPal.', 'give' ); |
| 566 | break; |
| 567 | |
| 568 | case 'paymentreview': |
| 569 | case 'regulatory_review': |
| 570 | $note = __( 'Payment is being reviewed by PayPal staff as high-risk or in possible violation of government regulations.', 'give' ); |
| 571 | break; |
| 572 | |
| 573 | case 'unilateral': |
| 574 | $note = __( 'Payment was sent to non-confirmed or non-registered email address.', 'give' ); |
| 575 | break; |
| 576 | |
| 577 | case 'upgrade': |
| 578 | $note = __( 'PayPal account must be upgraded before this payment can be accepted.', 'give' ); |
| 579 | break; |
| 580 | |
| 581 | case 'verify': |
| 582 | $note = __( 'PayPal account is not verified. Verify account in order to accept this donation.', 'give' ); |
| 583 | break; |
| 584 | |
| 585 | case 'other': |
| 586 | $note = __( 'Payment is pending for unknown reasons. Contact PayPal support for assistance.', 'give' ); |
| 587 | break; |
| 588 | |
| 589 | } // End switch(). |
| 590 | |
| 591 | return apply_filters('give_paypal_get_pending_donation_note', $note); |
| 592 | |
| 593 | } |
| 594 | |
| 595 | /** |
| 596 | * Build paypal url |
| 597 | * |
| 598 | * @param int $payment_id Payment ID |
| 599 | * @param array $payment_data Array of payment data. |
| 600 | * |
| 601 | * @return mixed|string |
| 602 | */ |
| 603 | function give_build_paypal_url( $payment_id, $payment_data ) { |
| 604 | // Only send to PayPal if the pending payment is created successfully. |
| 605 | $listener_url = add_query_arg( 'give-listener', 'IPN', home_url( 'index.php' ) ); |
| 606 | |
| 607 | // Get the success url. |
| 608 | $return_url = add_query_arg( |
| 609 | array( |
| 610 | 'payment-confirmation' => 'paypal', |
| 611 | 'payment-id' => $payment_id, |
| 612 | |
| 613 | ), get_permalink( give_get_option( 'success_page' ) ) |
| 614 | ); |
| 615 | |
| 616 | // Get the PayPal redirect uri. |
| 617 | $paypal_redirect = trailingslashit( give_get_paypal_redirect() ) . '?'; |
| 618 | |
| 619 | // Item name. |
| 620 | $item_name = give_payment_gateway_item_title( $payment_data ); |
| 621 | |
| 622 | // Setup PayPal API params. |
| 623 | $paypal_args = array( |
| 624 | 'business' => give_get_option( 'paypal_email', false ), |
| 625 | 'first_name' => $payment_data['user_info']['first_name'], |
| 626 | 'last_name' => $payment_data['user_info']['last_name'], |
| 627 | 'email' => $payment_data['user_email'], |
| 628 | 'invoice' => $payment_data['purchase_key'], |
| 629 | 'amount' => $payment_data['price'], |
| 630 | 'item_name' => stripslashes( $item_name ), |
| 631 | 'no_shipping' => '1', |
| 632 | 'shipping' => '0', |
| 633 | 'no_note' => '1', |
| 634 | 'currency_code' => give_get_currency( $payment_id, $payment_data ), |
| 635 | 'charset' => get_bloginfo( 'charset' ), |
| 636 | 'custom' => $payment_id, |
| 637 | 'rm' => '2', |
| 638 | 'return' => $return_url, |
| 639 | 'cancel_return' => give_get_failed_transaction_uri( '?payment-id=' . $payment_id ), |
| 640 | 'notify_url' => $listener_url, |
| 641 | 'page_style' => give_get_paypal_page_style(), |
| 642 | 'cbt' => get_bloginfo( 'name' ), |
| 643 | 'bn' => 'givewp_SP', |
| 644 | ); |
| 645 | |
| 646 | // Add user address if present. |
| 647 | if ( ! empty( $payment_data['user_info']['address'] ) ) { |
| 648 | $default_address = array( |
| 649 | 'line1' => '', |
| 650 | 'line2' => '', |
| 651 | 'city' => '', |
| 652 | 'state' => '', |
| 653 | 'zip' => '', |
| 654 | 'country' => '', |
| 655 | ); |
| 656 | |
| 657 | $address = wp_parse_args( $payment_data['user_info']['address'], $default_address ); |
| 658 | |
| 659 | $paypal_args['address1'] = $address['line1']; |
| 660 | $paypal_args['address2'] = $address['line2']; |
| 661 | $paypal_args['city'] = $address['city']; |
| 662 | $paypal_args['state'] = $address['state']; |
| 663 | $paypal_args['zip'] = $address['zip']; |
| 664 | $paypal_args['country'] = $address['country']; |
| 665 | } |
| 666 | |
| 667 | // Donations or regular transactions? |
| 668 | $paypal_args['cmd'] = give_get_paypal_button_type(); |
| 669 | |
| 670 | /** |
| 671 | * Filter the paypal redirect args. |
| 672 | * |
| 673 | * @param array $paypal_args PayPal Arguments. |
| 674 | * @param array $payment_data Payment Data. |
| 675 | * |
| 676 | * @since 1.8 |
| 677 | */ |
| 678 | $paypal_args = apply_filters( 'give_paypal_redirect_args', $paypal_args, $payment_data ); |
| 679 | |
| 680 | // Build query. |
| 681 | $paypal_redirect .= http_build_query( $paypal_args ); |
| 682 | |
| 683 | // Fix for some sites that encode the entities. |
| 684 | $paypal_redirect = str_replace( '&', '&', $paypal_redirect ); |
| 685 | |
| 686 | return $paypal_redirect; |
| 687 | } |
| 688 | |
| 689 | |
| 690 | /** |
| 691 | * Get paypal button type. |
| 692 | * |
| 693 | * @return string |
| 694 | * @since 1.8 |
| 695 | */ |
| 696 | function give_get_paypal_button_type() { |
| 697 | // paypal_button_type can be donation or standard. |
| 698 | $paypal_button_type = '_donations'; |
| 699 | if ( 'standard' === give_get_option( 'paypal_button_type' ) ) { |
| 700 | $paypal_button_type = '_xclick'; |
| 701 | } |
| 702 | |
| 703 | return $paypal_button_type; |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * Update Purchase key for specific gateway. |
| 708 | * |
| 709 | * @param string $custom_purchase_key |
| 710 | * @param string $gateway |
| 711 | * @param string $purchase_key |
| 712 | * |
| 713 | * @return string |
| 714 | * @since 2.2.4 |
| 715 | * |
| 716 | */ |
| 717 | function give_paypal_purchase_key( $custom_purchase_key, $gateway, $purchase_key ) { |
| 718 | |
| 719 | if ( 'paypal' === $gateway ) { |
| 720 | $invoice_id_prefix = give_get_option( 'paypal_invoice_prefix', 'GIVE-' ); |
| 721 | $custom_purchase_key = $invoice_id_prefix . $purchase_key; |
| 722 | } |
| 723 | |
| 724 | return $custom_purchase_key; |
| 725 | } |
| 726 | |
| 727 | add_filter( 'give_donation_purchase_key', 'give_paypal_purchase_key', 10, 3 ); |
| 728 | |
| 729 | |
| 730 | /** |
| 731 | * PayPal Standard Connect button. |
| 732 | * |
| 733 | * This uses Stripe's Connect button but swaps the link and logo with PayPal's. |
| 734 | * |
| 735 | * @return string |
| 736 | * @since 2.5.0 |
| 737 | * |
| 738 | */ |
| 739 | function give_paypal_connect_button() { |
| 740 | |
| 741 | // Prepare Stripe Connect URL. |
| 742 | $link = admin_url( 'edit.php?post_type=give_forms&page=give-settings&tab=gateways§ion=paypal-standard' ); |
| 743 | |
| 744 | return sprintf( |
| 745 | '<a href="%1$s" id="give-paypal-connect"><span>%2$s</span></a>', |
| 746 | esc_url( $link ), |
| 747 | esc_html__( 'Connect to PayPal', 'give' ) |
| 748 | ); |
| 749 | } |
| 750 |