580 lines
18 KiB
PHP
580 lines
18 KiB
PHP
<?php
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/**
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* Class WC_Gateway_Paypal_Request file.
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*
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* @package WooCommerce\Gateways
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*/
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use Automattic\WooCommerce\Utilities\NumberUtil;
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Generates requests to send to PayPal.
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*/
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class WC_Gateway_Paypal_Request {
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/**
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* Stores line items to send to PayPal.
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*
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* @var array
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*/
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protected $line_items = array();
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/**
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* Pointer to gateway making the request.
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*
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* @var WC_Gateway_Paypal
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*/
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protected $gateway;
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/**
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* Endpoint for requests from PayPal.
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*
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* @var string
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*/
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protected $notify_url;
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/**
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* Endpoint for requests to PayPal.
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*
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* @var string
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*/
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protected $endpoint;
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/**
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* Constructor.
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*
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* @param WC_Gateway_Paypal $gateway Paypal gateway object.
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*/
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public function __construct( $gateway ) {
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$this->gateway = $gateway;
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$this->notify_url = WC()->api_request_url( 'WC_Gateway_Paypal' );
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}
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/**
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* Get the PayPal request URL for an order.
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*
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* @param WC_Order $order Order object.
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* @param bool $sandbox Whether to use sandbox mode or not.
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* @return string
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*/
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public function get_request_url( $order, $sandbox = false ) {
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$this->endpoint = $sandbox ? 'https://www.sandbox.paypal.com/cgi-bin/webscr?test_ipn=1&' : 'https://www.paypal.com/cgi-bin/webscr?';
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$paypal_args = $this->get_paypal_args( $order );
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$paypal_args['bn'] = 'WooThemes_Cart'; // Append WooCommerce PayPal Partner Attribution ID. This should not be overridden for this gateway.
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// Mask (remove) PII from the logs.
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$mask = array(
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'first_name' => '***',
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'last_name' => '***',
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'address1' => '***',
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'address2' => '***',
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'city' => '***',
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'state' => '***',
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'zip' => '***',
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'country' => '***',
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'email' => '***@***',
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'night_phone_a' => '***',
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'night_phone_b' => '***',
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'night_phone_c' => '***',
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);
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WC_Gateway_Paypal::log( 'PayPal Request Args for order ' . $order->get_order_number() . ': ' . wc_print_r( array_merge( $paypal_args, array_intersect_key( $mask, $paypal_args ) ), true ) );
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return $this->endpoint . http_build_query( $paypal_args, '', '&' );
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}
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/**
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* Limit length of an arg.
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*
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* @param string $string Argument to limit.
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* @param integer $limit Limit size in characters.
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* @return string
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*/
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protected function limit_length( $string, $limit = 127 ) {
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$str_limit = $limit - 3;
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if ( function_exists( 'mb_strimwidth' ) ) {
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if ( mb_strlen( $string ) > $limit ) {
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$string = mb_strimwidth( $string, 0, $str_limit ) . '...';
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}
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} else {
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if ( strlen( $string ) > $limit ) {
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$string = substr( $string, 0, $str_limit ) . '...';
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}
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}
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return $string;
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}
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/**
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* Get transaction args for paypal request, except for line item args.
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*
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* @param WC_Order $order Order object.
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* @return array
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*/
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protected function get_transaction_args( $order ) {
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return array_merge(
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array(
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'cmd' => '_cart',
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'business' => $this->gateway->get_option( 'email' ),
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'no_note' => 1,
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'currency_code' => get_woocommerce_currency(),
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'charset' => 'utf-8',
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'rm' => is_ssl() ? 2 : 1,
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'upload' => 1,
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'return' => esc_url_raw( add_query_arg( 'utm_nooverride', '1', $this->gateway->get_return_url( $order ) ) ),
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'cancel_return' => esc_url_raw( $order->get_cancel_order_url_raw() ),
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'image_url' => esc_url_raw( $this->gateway->get_option( 'image_url' ) ),
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'paymentaction' => $this->gateway->get_option( 'paymentaction' ),
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'invoice' => $this->limit_length( $this->gateway->get_option( 'invoice_prefix' ) . $order->get_order_number(), 127 ),
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'custom' => wp_json_encode(
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array(
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'order_id' => $order->get_id(),
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'order_key' => $order->get_order_key(),
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)
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),
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'notify_url' => $this->limit_length( $this->notify_url, 255 ),
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'first_name' => $this->limit_length( $order->get_billing_first_name(), 32 ),
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'last_name' => $this->limit_length( $order->get_billing_last_name(), 64 ),
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'address1' => $this->limit_length( $order->get_billing_address_1(), 100 ),
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'address2' => $this->limit_length( $order->get_billing_address_2(), 100 ),
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'city' => $this->limit_length( $order->get_billing_city(), 40 ),
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'state' => $this->get_paypal_state( $order->get_billing_country(), $order->get_billing_state() ),
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'zip' => $this->limit_length( wc_format_postcode( $order->get_billing_postcode(), $order->get_billing_country() ), 32 ),
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'country' => $this->limit_length( $order->get_billing_country(), 2 ),
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'email' => $this->limit_length( $order->get_billing_email() ),
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),
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$this->get_phone_number_args( $order ),
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$this->get_shipping_args( $order )
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);
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}
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/**
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* If the default request with line items is too long, generate a new one with only one line item.
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*
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* If URL is longer than 2,083 chars, ignore line items and send cart to Paypal as a single item.
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* One item's name can only be 127 characters long, so the URL should not be longer than limit.
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* URL character limit via:
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* https://support.microsoft.com/en-us/help/208427/maximum-url-length-is-2-083-characters-in-internet-explorer.
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*
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* @param WC_Order $order Order to be sent to Paypal.
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* @param array $paypal_args Arguments sent to Paypal in the request.
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* @return array
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*/
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protected function fix_request_length( $order, $paypal_args ) {
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$max_paypal_length = 2083;
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$query_candidate = http_build_query( $paypal_args, '', '&' );
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if ( strlen( $this->endpoint . $query_candidate ) <= $max_paypal_length ) {
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return $paypal_args;
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}
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return apply_filters(
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'woocommerce_paypal_args',
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array_merge(
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$this->get_transaction_args( $order ),
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$this->get_line_item_args( $order, true )
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),
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$order
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);
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}
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/**
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* Get PayPal Args for passing to PP.
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*
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* @param WC_Order $order Order object.
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* @return array
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*/
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protected function get_paypal_args( $order ) {
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WC_Gateway_Paypal::log( 'Generating payment form for order ' . $order->get_order_number() . '. Notify URL: ' . $this->notify_url );
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$force_one_line_item = apply_filters( 'woocommerce_paypal_force_one_line_item', false, $order );
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if ( ( wc_tax_enabled() && wc_prices_include_tax() ) || ! $this->line_items_valid( $order ) ) {
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$force_one_line_item = true;
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}
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$paypal_args = apply_filters(
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'woocommerce_paypal_args',
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array_merge(
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$this->get_transaction_args( $order ),
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$this->get_line_item_args( $order, $force_one_line_item )
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),
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$order
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);
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return $this->fix_request_length( $order, $paypal_args );
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}
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/**
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* Get phone number args for paypal request.
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*
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* @param WC_Order $order Order object.
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* @return array
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*/
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protected function get_phone_number_args( $order ) {
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$phone_number = wc_sanitize_phone_number( $order->get_billing_phone() );
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if ( in_array( $order->get_billing_country(), array( 'US', 'CA' ), true ) ) {
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$phone_number = ltrim( $phone_number, '+1' );
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$phone_args = array(
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'night_phone_a' => substr( $phone_number, 0, 3 ),
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'night_phone_b' => substr( $phone_number, 3, 3 ),
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'night_phone_c' => substr( $phone_number, 6, 4 ),
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);
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} else {
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$calling_code = WC()->countries->get_country_calling_code( $order->get_billing_country() );
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$calling_code = is_array( $calling_code ) ? $calling_code[0] : $calling_code;
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if ( $calling_code ) {
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$phone_number = str_replace( $calling_code, '', preg_replace( '/^0/', '', $order->get_billing_phone() ) );
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}
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$phone_args = array(
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'night_phone_a' => $calling_code,
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'night_phone_b' => $phone_number,
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);
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}
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return $phone_args;
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}
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/**
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* Get shipping args for paypal request.
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*
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* @param WC_Order $order Order object.
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* @return array
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*/
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protected function get_shipping_args( $order ) {
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$shipping_args = array();
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if ( $order->needs_shipping_address() ) {
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$shipping_args['address_override'] = $this->gateway->get_option( 'address_override' ) === 'yes' ? 1 : 0;
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$shipping_args['no_shipping'] = 0;
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if ( 'yes' === $this->gateway->get_option( 'send_shipping' ) ) {
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// If we are sending shipping, send shipping address instead of billing.
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$shipping_args['first_name'] = $this->limit_length( $order->get_shipping_first_name(), 32 );
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$shipping_args['last_name'] = $this->limit_length( $order->get_shipping_last_name(), 64 );
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$shipping_args['address1'] = $this->limit_length( $order->get_shipping_address_1(), 100 );
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$shipping_args['address2'] = $this->limit_length( $order->get_shipping_address_2(), 100 );
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$shipping_args['city'] = $this->limit_length( $order->get_shipping_city(), 40 );
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$shipping_args['state'] = $this->get_paypal_state( $order->get_shipping_country(), $order->get_shipping_state() );
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$shipping_args['country'] = $this->limit_length( $order->get_shipping_country(), 2 );
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$shipping_args['zip'] = $this->limit_length( wc_format_postcode( $order->get_shipping_postcode(), $order->get_shipping_country() ), 32 );
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}
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} else {
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$shipping_args['no_shipping'] = 1;
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}
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return $shipping_args;
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}
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/**
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* Get shipping cost line item args for paypal request.
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*
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* @param WC_Order $order Order object.
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* @param bool $force_one_line_item Whether one line item was forced by validation or URL length.
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* @return array
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*/
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protected function get_shipping_cost_line_item( $order, $force_one_line_item ) {
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$line_item_args = array();
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$shipping_total = $order->get_shipping_total();
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if ( $force_one_line_item ) {
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$shipping_total += $order->get_shipping_tax();
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}
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// Add shipping costs. Paypal ignores anything over 5 digits (999.99 is the max).
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// We also check that shipping is not the **only** cost as PayPal won't allow payment
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// if the items have no cost.
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if ( $order->get_shipping_total() > 0 && $order->get_shipping_total() < 999.99 && $this->number_format( $order->get_shipping_total() + $order->get_shipping_tax(), $order ) !== $this->number_format( $order->get_total(), $order ) ) {
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$line_item_args['shipping_1'] = $this->number_format( $shipping_total, $order );
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} elseif ( $order->get_shipping_total() > 0 ) {
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/* translators: %s: Order shipping method */
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$this->add_line_item( sprintf( __( 'Shipping via %s', 'woocommerce' ), $order->get_shipping_method() ), 1, $this->number_format( $shipping_total, $order ) );
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}
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return $line_item_args;
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}
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/**
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* Get line item args for paypal request as a single line item.
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*
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* @param WC_Order $order Order object.
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* @return array
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*/
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protected function get_line_item_args_single_item( $order ) {
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$this->delete_line_items();
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$all_items_name = $this->get_order_item_names( $order );
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$this->add_line_item( $all_items_name ? $all_items_name : __( 'Order', 'woocommerce' ), 1, $this->number_format( $order->get_total() - $this->round( $order->get_shipping_total() + $order->get_shipping_tax(), $order ), $order ), $order->get_order_number() );
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$line_item_args = $this->get_shipping_cost_line_item( $order, true );
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return array_merge( $line_item_args, $this->get_line_items() );
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}
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/**
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* Get line item args for paypal request.
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*
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* @param WC_Order $order Order object.
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* @param bool $force_one_line_item Create only one item for this order.
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* @return array
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*/
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protected function get_line_item_args( $order, $force_one_line_item = false ) {
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$line_item_args = array();
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if ( $force_one_line_item ) {
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/**
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* Send order as a single item.
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*
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* For shipping, we longer use shipping_1 because paypal ignores it if *any* shipping rules are within paypal, and paypal ignores anything over 5 digits (999.99 is the max).
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*/
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$line_item_args = $this->get_line_item_args_single_item( $order );
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} else {
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/**
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* Passing a line item per product if supported.
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*/
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$this->prepare_line_items( $order );
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$line_item_args['tax_cart'] = $this->number_format( $order->get_total_tax(), $order );
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if ( $order->get_total_discount() > 0 ) {
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$line_item_args['discount_amount_cart'] = $this->number_format( $this->round( $order->get_total_discount(), $order ), $order );
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}
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$line_item_args = array_merge( $line_item_args, $this->get_shipping_cost_line_item( $order, false ) );
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$line_item_args = array_merge( $line_item_args, $this->get_line_items() );
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}
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return $line_item_args;
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}
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/**
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* Get order item names as a string.
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*
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* @param WC_Order $order Order object.
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* @return string
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*/
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protected function get_order_item_names( $order ) {
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$item_names = array();
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foreach ( $order->get_items() as $item ) {
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$item_name = $item->get_name();
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$item_meta = wp_strip_all_tags(
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wc_display_item_meta(
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$item,
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array(
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'before' => '',
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'separator' => ', ',
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'after' => '',
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'echo' => false,
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'autop' => false,
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)
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)
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);
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if ( $item_meta ) {
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$item_name .= ' (' . $item_meta . ')';
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}
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$item_names[] = $item_name . ' x ' . $item->get_quantity();
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}
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return apply_filters( 'woocommerce_paypal_get_order_item_names', implode( ', ', $item_names ), $order );
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}
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/**
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* Get order item names as a string.
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*
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* @param WC_Order $order Order object.
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* @param WC_Order_Item $item Order item object.
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* @return string
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*/
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protected function get_order_item_name( $order, $item ) {
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$item_name = $item->get_name();
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$item_meta = wp_strip_all_tags(
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wc_display_item_meta(
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$item,
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array(
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'before' => '',
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'separator' => ', ',
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'after' => '',
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'echo' => false,
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'autop' => false,
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)
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)
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);
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if ( $item_meta ) {
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$item_name .= ' (' . $item_meta . ')';
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}
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return apply_filters( 'woocommerce_paypal_get_order_item_name', $item_name, $order, $item );
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}
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/**
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* Return all line items.
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*/
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protected function get_line_items() {
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return $this->line_items;
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}
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/**
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* Remove all line items.
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*/
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protected function delete_line_items() {
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$this->line_items = array();
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}
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/**
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* Check if the order has valid line items to use for PayPal request.
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*
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* The line items are invalid in case of mismatch in totals or if any amount < 0.
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*
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* @param WC_Order $order Order to be examined.
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* @return bool
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*/
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protected function line_items_valid( $order ) {
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$negative_item_amount = false;
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$calculated_total = 0;
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// Products.
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foreach ( $order->get_items( array( 'line_item', 'fee' ) ) as $item ) {
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if ( 'fee' === $item['type'] ) {
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$item_line_total = $this->number_format( $item['line_total'], $order );
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$calculated_total += $item_line_total;
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} else {
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$item_line_total = $this->number_format( $order->get_item_subtotal( $item, false ), $order );
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$calculated_total += $item_line_total * $item->get_quantity();
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}
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if ( $item_line_total < 0 ) {
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$negative_item_amount = true;
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}
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}
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$mismatched_totals = $this->number_format( $calculated_total + $order->get_total_tax() + $this->round( $order->get_shipping_total(), $order ) - $this->round( $order->get_total_discount(), $order ), $order ) !== $this->number_format( $order->get_total(), $order );
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return ! $negative_item_amount && ! $mismatched_totals;
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}
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/**
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* Get line items to send to paypal.
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*
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* @param WC_Order $order Order object.
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*/
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protected function prepare_line_items( $order ) {
|
|
$this->delete_line_items();
|
|
|
|
// Products.
|
|
foreach ( $order->get_items( array( 'line_item', 'fee' ) ) as $item ) {
|
|
if ( 'fee' === $item['type'] ) {
|
|
$item_line_total = $this->number_format( $item['line_total'], $order );
|
|
$this->add_line_item( $item->get_name(), 1, $item_line_total );
|
|
} else {
|
|
$product = $item->get_product();
|
|
$sku = $product ? $product->get_sku() : '';
|
|
$item_line_total = $this->number_format( $order->get_item_subtotal( $item, false ), $order );
|
|
$this->add_line_item( $this->get_order_item_name( $order, $item ), $item->get_quantity(), $item_line_total, $sku );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add PayPal Line Item.
|
|
*
|
|
* @param string $item_name Item name.
|
|
* @param int $quantity Item quantity.
|
|
* @param float $amount Amount.
|
|
* @param string $item_number Item number.
|
|
*/
|
|
protected function add_line_item( $item_name, $quantity = 1, $amount = 0.0, $item_number = '' ) {
|
|
$index = ( count( $this->line_items ) / 4 ) + 1;
|
|
|
|
$item = apply_filters(
|
|
'woocommerce_paypal_line_item',
|
|
array(
|
|
'item_name' => html_entity_decode( wc_trim_string( $item_name ? wp_strip_all_tags( $item_name ) : __( 'Item', 'woocommerce' ), 127 ), ENT_NOQUOTES, 'UTF-8' ),
|
|
'quantity' => (int) $quantity,
|
|
'amount' => wc_float_to_string( (float) $amount ),
|
|
'item_number' => $item_number,
|
|
),
|
|
$item_name,
|
|
$quantity,
|
|
$amount,
|
|
$item_number
|
|
);
|
|
|
|
$this->line_items[ 'item_name_' . $index ] = $this->limit_length( $item['item_name'], 127 );
|
|
$this->line_items[ 'quantity_' . $index ] = $item['quantity'];
|
|
$this->line_items[ 'amount_' . $index ] = $item['amount'];
|
|
$this->line_items[ 'item_number_' . $index ] = $this->limit_length( $item['item_number'], 127 );
|
|
}
|
|
|
|
/**
|
|
* Get the state to send to paypal.
|
|
*
|
|
* @param string $cc Country two letter code.
|
|
* @param string $state State code.
|
|
* @return string
|
|
*/
|
|
protected function get_paypal_state( $cc, $state ) {
|
|
if ( 'US' === $cc ) {
|
|
return $state;
|
|
}
|
|
|
|
$states = WC()->countries->get_states( $cc );
|
|
|
|
if ( isset( $states[ $state ] ) ) {
|
|
return $states[ $state ];
|
|
}
|
|
|
|
return $state;
|
|
}
|
|
|
|
/**
|
|
* Check if currency has decimals.
|
|
*
|
|
* @param string $currency Currency to check.
|
|
* @return bool
|
|
*/
|
|
protected function currency_has_decimals( $currency ) {
|
|
if ( in_array( $currency, array( 'HUF', 'JPY', 'TWD' ), true ) ) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Round prices.
|
|
*
|
|
* @param double $price Price to round.
|
|
* @param WC_Order $order Order object.
|
|
* @return double
|
|
*/
|
|
protected function round( $price, $order ) {
|
|
$precision = 2;
|
|
|
|
if ( ! $this->currency_has_decimals( $order->get_currency() ) ) {
|
|
$precision = 0;
|
|
}
|
|
|
|
return NumberUtil::round( $price, $precision );
|
|
}
|
|
|
|
/**
|
|
* Format prices.
|
|
*
|
|
* @param float|int $price Price to format.
|
|
* @param WC_Order $order Order object.
|
|
* @return string
|
|
*/
|
|
protected function number_format( $price, $order ) {
|
|
$decimals = 2;
|
|
|
|
if ( ! $this->currency_has_decimals( $order->get_currency() ) ) {
|
|
$decimals = 0;
|
|
}
|
|
|
|
return number_format( $price, $decimals, '.', '' );
|
|
}
|
|
}
|