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class-upe-payment-gateway.php
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class-upe-payment-gateway.php
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<?php
/**
* Class UPE_Payment_Gateway
*
* @package WCPay\Payment_Methods
*/
namespace WCPay\Payment_Methods;
use WCPay\Constants\Order_Status;
use WCPay\Constants\Payment_Intent_Status;
use WCPay\Constants\Payment_Method;
use WCPay\Constants\Payment_Type;
use WCPay\Core\Server\Request\Create_Intention;
use WCPay\Core\Server\Request\Create_Setup_Intention;
use WCPay\Core\Server\Request\Get_Charge;
use WCPay\Core\Server\Request\Get_Intention;
use WCPay\Core\Server\Request\Update_Intention;
use WCPay\Exceptions\Add_Payment_Method_Exception;
use WCPay\Exceptions\Amount_Too_Small_Exception;
use WCPay\Exceptions\API_Exception;
use WCPay\Exceptions\Order_Not_Found_Exception;
use WCPay\Exceptions\Process_Payment_Exception;
use WCPay\Fraud_Prevention\Fraud_Prevention_Service;
use WCPay\Logger;
use WCPay\Session_Rate_Limiter;
use Exception;
use WC_Order;
use WC_Payments;
use WC_Payments_Account;
use WC_Payments_Action_Scheduler_Service;
use WC_Payments_API_Client;
use WC_Payments_Customer_Service;
use WC_Payment_Gateway_WCPay;
use WC_Payments_Order_Service;
use WC_Payment_Token_CC;
use WC_Payments_Token_Service;
use WC_Payment_Token_WCPay_SEPA;
use WC_Payments_Utils;
use WC_Payments_Features;
use WP_User;
/**
* UPE Payment method extended from WCPay generic Gateway.
*/
class UPE_Payment_Gateway extends WC_Payment_Gateway_WCPay {
/**
* Internal ID of the payment gateway.
*
* @type string
*/
const GATEWAY_ID = 'woocommerce_payments';
const METHOD_ENABLED_KEY = 'enabled';
const UPE_APPEARANCE_TRANSIENT = 'wcpay_upe_appearance';
const WC_BLOCKS_UPE_APPEARANCE_TRANSIENT = 'wcpay_wc_blocks_upe_appearance';
const KEY_UPE_PAYMENT_INTENT = 'wcpay_upe_payment_intent';
const KEY_UPE_SETUP_INTENT = 'wcpay_upe_setup_intent';
/**
* Array mapping payment method string IDs to classes
*
* @var UPE_Payment_Method[]
*/
protected $payment_methods = [];
/**
* Generic gateway title to be displayed at checkout, if more than one payment method is enabled.
*
* @var string
*/
protected $checkout_title;
/**
* UPE Constructor same parameters as WC_Payment_Gateway_WCPay constructor.
*
* @param WC_Payments_API_Client $payments_api_client - WooCommerce Payments API client.
* @param WC_Payments_Account $account - Account class instance.
* @param WC_Payments_Customer_Service $customer_service - Customer class instance.
* @param WC_Payments_Token_Service $token_service - Token class instance.
* @param WC_Payments_Action_Scheduler_Service $action_scheduler_service - Action Scheduler service instance.
* @param array $payment_methods - Array of UPE payment methods.
* @param Session_Rate_Limiter $failed_transaction_rate_limiter - Session Rate Limiter instance.
* @param WC_Payments_Order_Service $order_service - Order class instance.
*/
public function __construct(
WC_Payments_API_Client $payments_api_client,
WC_Payments_Account $account,
WC_Payments_Customer_Service $customer_service,
WC_Payments_Token_Service $token_service,
WC_Payments_Action_Scheduler_Service $action_scheduler_service,
array $payment_methods,
Session_Rate_Limiter $failed_transaction_rate_limiter,
WC_Payments_Order_Service $order_service
) {
parent::__construct( $payments_api_client, $account, $customer_service, $token_service, $action_scheduler_service, $failed_transaction_rate_limiter, $order_service );
$this->title = __( 'WooCommerce Payments', 'woocommerce-payments' );
$this->description = '';
$this->checkout_title = __( 'Popular payment methods', 'woocommerce-payments' );
$this->payment_methods = $payment_methods;
if ( ! is_admin() ) {
add_filter( 'woocommerce_gateway_title', [ $this, 'maybe_filter_gateway_title' ], 10, 2 );
}
}
/**
* Registers all scripts, necessary for the gateway.
*/
public function register_scripts() {
// Register Stripe's JavaScript using the same ID as the Stripe Gateway plugin. This prevents this JS being
// loaded twice in the event a site has both plugins enabled. We still run the risk of different plugins
// loading different versions however. If Stripe release a v4 of their JavaScript, we could consider
// changing the ID to stripe_v4. This would allow older plugins to keep using v3 while we used any new
// feature in v4. Stripe have allowed loading of 2 different versions of stripe.js in the past (
// https://stripe.com/docs/stripe-js/elements/migrating).
wp_register_script(
'stripe',
'https://js.stripe.com/v3/',
[],
'3.0',
true
);
$script_dependencies = [ 'stripe', 'wc-checkout', 'wp-i18n' ];
if ( $this->supports( 'tokenization' ) ) {
$script_dependencies[] = 'woocommerce-tokenization-form';
}
WC_Payments::register_script_with_dependencies( 'wcpay-upe-checkout', 'dist/upe_checkout', $script_dependencies );
}
/**
* Displays HTML tags for WC payment gateway radio button.
*/
public function display_gateway_html() {
?>
<div id="wcpay-upe-element" class="wcpay-upe-element"></div>
<div id="wcpay-upe-errors" role="alert"></div>
<input id="wcpay-payment-method-upe" type="hidden" name="wcpay-payment-method-upe" />
<input id="wcpay_selected_upe_payment_type" type="hidden" name="wcpay_selected_upe_payment_type" />
<input id="wcpay_payment_country" type="hidden" name="wcpay_payment_country" />
<?php
}
/**
* Gets UPE_Payment_Method instance from ID.
*
* @param string $payment_method_type Stripe payment method type ID.
* @return UPE_Payment_Method|false UPE payment method instance.
*/
public function get_selected_payment_method( $payment_method_type ) {
if ( ! $payment_method_type ) {
return false;
}
if ( ! isset( $this->payment_methods[ $payment_method_type ] ) ) {
return false;
}
return $this->payment_methods[ $payment_method_type ];
}
/**
* Handle AJAX request for updating a payment intent for Stripe UPE.
*
* @throws Process_Payment_Exception - If nonce or setup intent is invalid.
*/
public function update_payment_intent_ajax() {
try {
$is_nonce_valid = check_ajax_referer( 'wcpay_update_payment_intent_nonce', false, false );
if ( ! $is_nonce_valid ) {
throw new Process_Payment_Exception(
__( "We're not able to process this payment. Please refresh the page and try again.", 'woocommerce-payments' ),
'wcpay_upe_intent_error'
);
}
$order_id = isset( $_POST['wcpay_order_id'] ) ? absint( $_POST['wcpay_order_id'] ) : null;
$payment_intent_id = isset( $_POST['wc_payment_intent_id'] ) ? wc_clean( wp_unslash( $_POST['wc_payment_intent_id'] ) ) : '';
$fingerprint = isset( $_POST['wcpay-fingerprint'] ) ? wc_clean( wp_unslash( $_POST['wcpay-fingerprint'] ) ) : '';
$save_payment_method = isset( $_POST['save_payment_method'] ) ? 'yes' === wc_clean( wp_unslash( $_POST['save_payment_method'] ) ) : false;
$selected_upe_payment_type = ! empty( $_POST['wcpay_selected_upe_payment_type'] ) ? wc_clean( wp_unslash( $_POST['wcpay_selected_upe_payment_type'] ) ) : '';
$payment_country = ! empty( $_POST['wcpay_payment_country'] ) ? wc_clean( wp_unslash( $_POST['wcpay_payment_country'] ) ) : null;
wp_send_json_success( $this->update_payment_intent( $payment_intent_id, $order_id, $save_payment_method, $selected_upe_payment_type, $payment_country, $fingerprint ), 200 );
} catch ( Exception $e ) {
// Send back error so it can be displayed to the customer.
wp_send_json_error(
[
'error' => [
'message' => WC_Payments_Utils::get_filtered_error_message( $e ),
],
]
);
}
}
/**
* Updates payment intent to be able to save payment method.
*
* @param string $payment_intent_id The id of the payment intent to update.
* @param int $order_id The id of the order if intent created from Order.
* @param boolean $save_payment_method True if saving the payment method.
* @param string $selected_upe_payment_type The name of the selected UPE payment type or empty string.
* @param ?string $payment_country The payment two-letter iso country code or null.
* @param ?string $fingerprint Fingerprint data.
*
* @return array|null An array with result of the update, or nothing
*/
public function update_payment_intent( $payment_intent_id = '', $order_id = null, $save_payment_method = false, $selected_upe_payment_type = '', $payment_country = null, $fingerprint = '' ) {
$order = wc_get_order( $order_id );
if ( ! is_a( $order, 'WC_Order' ) ) {
return;
}
$check_session_order = $this->check_against_session_processing_order( $order );
if ( is_array( $check_session_order ) ) {
return $check_session_order;
}
$this->maybe_update_session_processing_order( $order_id );
$check_existing_intention = $this->check_payment_intent_attached_to_order_succeeded( $order );
if ( is_array( $check_existing_intention ) ) {
return $check_existing_intention;
}
$amount = $order->get_total();
$currency = $order->get_currency();
if ( $payment_intent_id ) {
list( $user, $customer_id ) = $this->manage_customer_details_for_order( $order );
$payment_type = $this->is_payment_recurring( $order_id ) ? Payment_Type::RECURRING() : Payment_Type::SINGLE();
$payment_methods = $this->get_selected_upe_payment_methods( (string) $selected_upe_payment_type, $this->get_payment_method_ids_enabled_at_checkout( null, true ) ?? [] );
$request = Update_Intention::create( $payment_intent_id );
$request->set_currency_code( strtolower( $currency ) );
$request->set_amount( WC_Payments_Utils::prepare_amount( $amount, $currency ) );
$request->set_metadata( $this->get_metadata_from_order( $order, $payment_type ) );
$request->set_level3( $this->get_level3_data_from_order( $order ) );
$request->set_payment_method_types( $payment_methods );
$request->set_fingerprint( $fingerprint );
if ( $payment_country ) {
$request->set_payment_country( $payment_country );
}
if ( true === $save_payment_method ) {
$request->setup_future_usage();
}
if ( $customer_id ) {
$request->set_customer( $customer_id );
}
$request->send( 'wcpay_update_intention_request', $order, $payment_intent_id );
}
return [
'success' => true,
];
}
/**
* Handle AJAX request for creating a payment intent for Stripe UPE.
*
* @throws Process_Payment_Exception - If nonce or setup intent is invalid.
*/
public function create_payment_intent_ajax() {
try {
$is_nonce_valid = check_ajax_referer( 'wcpay_create_payment_intent_nonce', false, false );
if ( ! $is_nonce_valid ) {
throw new Process_Payment_Exception(
__( "We're not able to process this payment. Please refresh the page and try again.", 'woocommerce-payments' ),
'wcpay_upe_intent_error'
);
}
// If paying from order, we need to get the total from the order instead of the cart.
$order_id = isset( $_POST['wcpay_order_id'] ) ? absint( $_POST['wcpay_order_id'] ) : null;
$fingerprint = isset( $_POST['wcpay-fingerprint'] ) ? wc_clean( wp_unslash( $_POST['wcpay-fingerprint'] ) ) : '';
$enabled_payment_methods = $this->get_payment_method_ids_enabled_at_checkout( $order_id, true );
$response = $this->create_payment_intent( $enabled_payment_methods, $order_id, $fingerprint );
// Encrypt client secret before exposing it to the browser.
if ( $response['client_secret'] ) {
$response['client_secret'] = WC_Payments_Utils::encrypt_client_secret( $this->account->get_stripe_account_id(), $response['client_secret'] );
}
if ( strpos( $response['id'], 'pi_' ) === 0 ) { // response is a payment intent (could possibly be a setup intent).
$this->add_upe_payment_intent_to_session( $response['id'], $response['client_secret'] );
}
wp_send_json_success( $response, 200 );
} catch ( Exception $e ) {
// Send back error so it can be displayed to the customer.
wp_send_json_error(
[
'error' => [
'message' => WC_Payments_Utils::get_filtered_error_message( $e ),
],
]
);
}
}
/**
* Creates payment intent using current cart or order and store details.
*
* @param array $displayed_payment_methods Array of enabled payment methods to display in payment element.
* @param int|null $order_id The id of the order if intent created from Order.
* @param string $fingerprint User fingerprint.
*
* @return array
*/
public function create_payment_intent( $displayed_payment_methods, $order_id = null, $fingerprint = '' ) {
$amount = WC()->cart->get_total( '' );
$currency = get_woocommerce_currency();
$number = 0;
$order = wc_get_order( $order_id );
$metadata = [];
if ( is_a( $order, 'WC_Order' ) ) {
$amount = $order->get_total();
$currency = $order->get_currency();
$metadata['order_number'] = $order->get_order_number();
}
$converted_amount = WC_Payments_Utils::prepare_amount( $amount, $currency );
if ( 1 > $converted_amount ) {
return $this->create_setup_intent( $displayed_payment_methods );
}
$minimum_amount = WC_Payments_Utils::get_cached_minimum_amount( $currency );
if ( ! is_null( $minimum_amount ) && $converted_amount < $minimum_amount ) {
// Use the minimum amount in order to create an intent and display fields.
$converted_amount = $minimum_amount;
}
$manual_capture = ! empty( $this->settings['manual_capture'] ) && 'yes' === $this->settings['manual_capture'];
try {
$request = Create_Intention::create();
$request->set_amount( $converted_amount );
$request->set_currency_code( strtolower( $currency ) );
$request->set_payment_method_types( array_values( $displayed_payment_methods ) );
$request->set_metadata( $metadata );
$request->set_capture_method( $manual_capture );
$request->set_fingerprint( $fingerprint );
$payment_intent = $request->send( 'wcpay_create_intent_request', $order );
} catch ( Amount_Too_Small_Exception $e ) {
$minimum_amount = $e->get_minimum_amount();
WC_Payments_Utils::cache_minimum_amount( $e->get_currency(), $minimum_amount );
/**
* Try to create a new payment intent with the minimum amount
* in order to display fields on the checkout page and allow
* customers to select a shipping method, which might make
* the total amount of the order higher than the minimum
* amount for the API.
*/
$request->set_amount( $minimum_amount );
$payment_intent = $request->send( 'wcpay_create_intent_request', $order );
}
return [
'id' => $payment_intent->get_id(),
'client_secret' => $payment_intent->get_client_secret(),
];
}
/**
* Handle AJAX request for creating a setup intent without confirmation for Stripe UPE.
*
* @throws Add_Payment_Method_Exception - If nonce or setup intent is invalid.
*/
public function init_setup_intent_ajax() {
try {
$is_nonce_valid = check_ajax_referer( 'wcpay_create_setup_intent_nonce', false, false );
if ( ! $is_nonce_valid ) {
throw new Add_Payment_Method_Exception(
__( "We're not able to add this payment method. Please refresh the page and try again.", 'woocommerce-payments' ),
'invalid_referrer'
);
}
$enabled_payment_methods = array_filter( $this->get_upe_enabled_payment_method_ids(), [ $this, 'is_enabled_for_saved_payments' ] );
$response = $this->create_setup_intent( $enabled_payment_methods );
// Encrypt client secret before exposing it to the browser.
if ( $response['client_secret'] ) {
$response['client_secret'] = WC_Payments_Utils::encrypt_client_secret( $this->account->get_stripe_account_id(), $response['client_secret'] );
}
$this->add_upe_setup_intent_to_session( $response['id'], $response['client_secret'] );
wp_send_json_success( $response, 200 );
} catch ( Exception $e ) {
// Send back error so it can be displayed to the customer.
wp_send_json_error(
[
'error' => [
'message' => WC_Payments_Utils::get_filtered_error_message( $e ),
],
]
);
}
}
/**
* Creates setup intent without confirmation.
*
* @param array $displayed_payment_methods Array of enabled payment methods to display on element.
* @return array
*/
public function create_setup_intent( $displayed_payment_methods ) {
// Determine the customer managing the payment methods, create one if we don't have one already.
$user = wp_get_current_user();
$customer_id = $this->customer_service->get_customer_id_by_user_id( $user->ID );
if ( null === $customer_id ) {
$customer_data = WC_Payments_Customer_Service::map_customer_data( null, new \WC_Customer( $user->ID ) );
$customer_id = $this->customer_service->create_customer_for_user( $user, $customer_data );
}
$request = Create_Setup_Intention::create();
$request->set_customer( $customer_id );
$request->set_payment_method_types( array_values( $displayed_payment_methods ) );
$setup_intent = $request->send( 'wcpay_create_setup_intention_request' );
return [
'id' => $setup_intent['id'],
'client_secret' => $setup_intent['client_secret'],
];
}
/**
* Create and confirm payment intent. Function used to route any payments that do not use the UPE flow through the parent process payment.
*
* @param int $order_id Order ID to process the payment for.
*
* @return array|null An array with result of payment and redirect URL, or nothing.
*/
public function parent_process_payment( $order_id ) {
return parent::process_payment( $order_id );
}
/**
* Renders the credit card input fields needed to get the user's payment information on the checkout page.
*
* We also add the JavaScript which drives the UI.
*/
public function payment_fields() {
do_action( 'wc_payments_add_upe_payment_fields' );
}
/**
* Update payment intent for completed checkout and return redirect URL for Stripe to confirm payment.
*
* @param int $order_id Order ID to process the payment for.
*
* @return array|null An array with result of payment and redirect URL, or nothing.
* @throws Exception Error processing the payment.
* @throws Order_Not_Found_Exception
*/
public function process_payment( $order_id ) {
$order = wc_get_order( $order_id );
if ( 20 < strlen( $order->get_billing_phone() ) ) {
throw new Process_Payment_Exception(
__( 'Invalid phone number.', 'woocommerce-payments' ),
'invalid_phone_number'
);
}
$payment_intent_id = isset( $_POST['wc_payment_intent_id'] ) ? wc_clean( wp_unslash( $_POST['wc_payment_intent_id'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Missing
$amount = $order->get_total();
$currency = $order->get_currency();
$converted_amount = WC_Payments_Utils::prepare_amount( $amount, $currency );
$payment_needed = 0 < $converted_amount;
$selected_upe_payment_type = ! empty( $_POST['wcpay_selected_upe_payment_type'] ) ? wc_clean( wp_unslash( $_POST['wcpay_selected_upe_payment_type'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Missing
$payment_type = $this->is_payment_recurring( $order_id ) ? Payment_Type::RECURRING() : Payment_Type::SINGLE();
$save_payment_method = $payment_type->equals( Payment_Type::RECURRING() ) || ! empty( $_POST[ 'wc-' . $this->id . '-new-payment-method' ] ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
$payment_country = ! empty( $_POST['wcpay_payment_country'] ) ? wc_clean( wp_unslash( $_POST['wcpay_payment_country'] ) ) : null; // phpcs:ignore WordPress.Security.NonceVerification.Missing
if ( $payment_intent_id ) {
list( $user, $customer_id ) = $this->manage_customer_details_for_order( $order );
if ( $payment_needed ) {
// Check if session exists before instantiating Fraud_Prevention_Service.
if ( WC()->session ) {
$fraud_prevention_service = Fraud_Prevention_Service::get_instance();
// phpcs:ignore WordPress.Security.NonceVerification.Missing,WordPress.Security.ValidatedSanitizedInput.MissingUnslash,WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
if ( $fraud_prevention_service->is_enabled() && ! $fraud_prevention_service->verify_token( $_POST['wcpay-fraud-prevention-token'] ?? null ) ) {
throw new Process_Payment_Exception(
__( "We're not able to process this payment. Please refresh the page and try again.", 'woocommerce-payments' ),
'fraud_prevention_enabled'
);
}
}
if ( $this->failed_transaction_rate_limiter->is_limited() ) {
// Throwing an exception instead of adding an error notice
// makes the error notice show up both in the regular and block checkout.
throw new Exception( __( 'Your payment was not processed.', 'woocommerce-payments' ) );
}
// Try catching the error without reaching the API.
$minimum_amount = WC_Payments_Utils::get_cached_minimum_amount( $currency );
if ( $minimum_amount > $converted_amount ) {
$exception = new Amount_Too_Small_Exception( 'Amount too small', $minimum_amount, $currency, 400 );
throw new Exception( WC_Payments_Utils::get_filtered_error_message( $exception ) );
}
$check_session_order = $this->check_against_session_processing_order( $order );
if ( is_array( $check_session_order ) ) {
return $check_session_order;
}
$this->maybe_update_session_processing_order( $order_id );
$check_existing_intention = $this->check_payment_intent_attached_to_order_succeeded( $order );
if ( is_array( $check_existing_intention ) ) {
return $check_existing_intention;
}
// @toDo: This is now not used?
$additional_api_parameters = $this->get_mandate_params_for_order( $order );
try {
$payment_methods = $this->get_selected_upe_payment_methods( (string) $selected_upe_payment_type, $this->get_payment_method_ids_enabled_at_checkout( null, true ) ?? [] );
$request = Update_Intention::create( $payment_intent_id );
$request->set_currency_code( strtolower( $currency ) );
$request->set_amount( WC_Payments_Utils::prepare_amount( $amount, $currency ) );
$request->set_metadata( $this->get_metadata_from_order( $order, $payment_type ) );
$request->set_level3( $this->get_level3_data_from_order( $order ) );
$request->set_payment_method_types( $payment_methods );
if ( $payment_country ) {
$request->set_payment_country( $payment_country );
}
if ( true === $save_payment_method ) {
$request->setup_future_usage();
}
if ( $customer_id ) {
$request->set_customer( $customer_id );
}
$payment_method_options = $this->get_mandate_params_for_order( $order );
if ( $payment_method_options ) {
$request->setup_future_usage();
$request->set_payment_method_options( $payment_method_options );
}
$updated_payment_intent = $request->send( 'wcpay_update_intention_request', $order, $payment_intent_id );
} catch ( Amount_Too_Small_Exception $e ) {
// This code would only be reached if the cache has already expired.
throw new Exception( WC_Payments_Utils::get_filtered_error_message( $e ) );
} catch ( API_Exception $e ) {
if ( 'wcpay_blocked_by_fraud_rule' === $e->get_error_code() ) {
$this->order_service->mark_order_blocked_for_fraud( $order, $payment_intent_id, Payment_Intent_Status::CANCELED );
}
throw $e;
}
$intent_id = $updated_payment_intent->get_id();
$intent_status = $updated_payment_intent->get_status();
$payment_method = $updated_payment_intent->get_payment_method_id();
$charge = $updated_payment_intent->get_charge();
$payment_method_details = $charge ? $charge->get_payment_method_details() : [];
$payment_method_type = $payment_method_details ? $payment_method_details['type'] : null;
$charge_id = $charge ? $charge->get_id() : null;
/**
* Attach the intent and exchange info to the order before doing the redirect, just in case the redirect
* either does not complete properly, or the Stripe webhook which processes a successful order hits before
* the redirect completes.
*/
$this->order_service->attach_intent_info_to_order( $order, $intent_id, $intent_status, $payment_method, $customer_id, $charge_id, $currency );
$this->attach_exchange_info_to_order( $order, $charge_id );
$this->set_payment_method_title_for_order( $order, $payment_method_type, $payment_method_details );
if ( Payment_Intent_Status::SUCCEEDED === $intent_status ) {
$this->remove_session_processing_order( $order->get_id() );
}
$this->order_service->update_order_status_from_intent( $order, $updated_payment_intent );
$last_payment_error_code = $updated_payment_intent->get_last_payment_error()['code'] ?? '';
if ( $this->should_bump_rate_limiter( $last_payment_error_code ) ) {
// UPE method gives us the error of the previous payment attempt, so we use that for the Rate Limiter.
$this->failed_transaction_rate_limiter->bump();
}
}
} else {
return $this->parent_process_payment( $order_id );
}
return [
'result' => 'success',
'payment_needed' => $payment_needed,
'redirect_url' => wp_sanitize_redirect(
esc_url_raw(
add_query_arg(
[
'order_id' => $order_id,
'wc_payment_method' => self::GATEWAY_ID,
'_wpnonce' => wp_create_nonce( 'wcpay_process_redirect_order_nonce' ),
'save_payment_method' => $save_payment_method ? 'yes' : 'no',
],
$this->get_return_url( $order )
)
)
),
];
}
/**
* Returns true when viewing payment methods page.
*
* @return bool
*/
private function is_payment_methods_page() {
global $wp;
$page_id = wc_get_page_id( 'myaccount' );
return ( $page_id && is_page( $page_id ) && ( isset( $wp->query_vars['payment-methods'] ) ) );
}
/**
* Get selected UPE payment methods.
*
* @param string $selected_upe_payment_type Selected payment methods.
* @param array $enabled_payment_methods Enabled payment methods.
*
* @return array
*/
private function get_selected_upe_payment_methods( string $selected_upe_payment_type, array $enabled_payment_methods ) {
$payment_methods = [];
if ( '' !== $selected_upe_payment_type ) {
// Only update the payment_method_types if we have a reference to the payment type the customer selected.
$payment_methods[] = $selected_upe_payment_type;
if ( CC_Payment_Method::PAYMENT_METHOD_STRIPE_ID === $selected_upe_payment_type ) {
$is_link_enabled = in_array(
Link_Payment_Method::PAYMENT_METHOD_STRIPE_ID,
$enabled_payment_methods,
true
);
if ( $is_link_enabled ) {
$payment_methods[] = Link_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
}
}
}
return $payment_methods;
}
/**
* Check for a redirect payment method on order received page or setup intent on payment methods page.
*/
public function maybe_process_upe_redirect() {
if ( $this->is_payment_methods_page() ) {
// If a payment method was added using UPE, we need to clear the cache and notify the user.
if ( $this->is_setup_intent_success_creation_redirection() ) {
wc_add_notice( __( 'Payment method successfully added.', 'woocommerce-payments' ) );
$user = wp_get_current_user();
$this->customer_service->clear_cached_payment_methods_for_user( $user->ID );
}
return;
}
if ( ! is_order_received_page() ) {
return;
}
$payment_method = isset( $_GET['wc_payment_method'] ) ? wc_clean( wp_unslash( $_GET['wc_payment_method'] ) ) : '';
if ( self::GATEWAY_ID !== $payment_method ) {
return;
}
$is_nonce_valid = check_admin_referer( 'wcpay_process_redirect_order_nonce' );
if ( ! $is_nonce_valid || empty( $_GET['wc_payment_method'] ) ) {
return;
}
if ( ! empty( $_GET['payment_intent_client_secret'] ) ) {
$intent_id = isset( $_GET['payment_intent'] ) ? wc_clean( wp_unslash( $_GET['payment_intent'] ) ) : '';
} elseif ( ! empty( $_GET['setup_intent_client_secret'] ) ) {
$intent_id = isset( $_GET['setup_intent'] ) ? wc_clean( wp_unslash( $_GET['setup_intent'] ) ) : '';
} else {
return;
}
$order_id = isset( $_GET['order_id'] ) ? wc_clean( wp_unslash( $_GET['order_id'] ) ) : '';
$save_payment_method = isset( $_GET['save_payment_method'] ) ? 'yes' === wc_clean( wp_unslash( $_GET['save_payment_method'] ) ) : false;
if ( empty( $intent_id ) || empty( $order_id ) ) {
return;
}
$this->process_redirect_payment( $order_id, $intent_id, $save_payment_method );
}
/**
* Processes redirect payments.
*
* @param int|string $order_id The order ID being processed.
* @param string $intent_id The Stripe setup/payment intent ID for the order payment.
* @param bool $save_payment_method Boolean representing whether payment method for order should be saved.
*
* @throws Process_Payment_Exception When the payment intent has an error.
*/
public function process_redirect_payment( $order_id, $intent_id, $save_payment_method ) {
try {
$order = wc_get_order( $order_id );
if ( ! is_object( $order ) ) {
return;
}
if ( $order->has_status(
[
Order_Status::PROCESSING,
Order_Status::COMPLETED,
Order_Status::ON_HOLD,
]
) ) {
return;
}
Logger::log( "Begin processing UPE redirect payment for order $order_id for the amount of {$order->get_total()}" );
// Get user/customer for order.
list( $user, $customer_id ) = $this->manage_customer_details_for_order( $order );
$payment_needed = 0 < $order->get_total();
// Get payment intent to confirm status.
if ( $payment_needed ) {
$request = Get_Intention::create( $intent_id );
$intent = $request->send( 'wcpay_get_intent_request', $order );
$client_secret = $intent->get_client_secret();
$status = $intent->get_status();
$charge = $intent->get_charge();
$charge_id = $charge ? $charge->get_id() : null;
$currency = $intent->get_currency();
$payment_method_id = $intent->get_payment_method_id();
$payment_method_details = $charge ? $charge->get_payment_method_details() : [];
$payment_method_type = $payment_method_details ? $payment_method_details['type'] : null;
$error = $intent->get_last_payment_error();
} else {
$intent = $this->payments_api_client->get_setup_intent( $intent_id );
$client_secret = $intent['client_secret'];
$status = $intent['status'];
$charge_id = '';
$charge = null;
$currency = $order->get_currency();
$payment_method_id = $intent['payment_method'];
$payment_method_details = false;
$payment_method_options = array_keys( $intent['payment_method_options'] );
$payment_method_type = $payment_method_options ? $payment_method_options[0] : null;
$error = $intent['last_setup_error'];
}
if ( ! empty( $error ) ) {
Logger::log( 'Error when processing payment: ' . $error['message'] );
throw new Process_Payment_Exception(
__( "We're not able to process this payment. Please try again later.", 'woocommerce-payments' ),
'upe_payment_intent_error'
);
} else {
$payment_method = $this->get_selected_payment_method( $payment_method_type );
if ( ! $payment_method ) {
return;
}
if ( $save_payment_method && $payment_method->is_reusable() ) {
try {
$token = $payment_method->get_payment_token_for_user( $user, $payment_method_id );
$this->add_token_to_order( $order, $token );
} catch ( Exception $e ) {
// If saving the token fails, log the error message but catch the error to avoid crashing the checkout flow.
Logger::log( 'Error when saving payment method: ' . $e->getMessage() );
}
}
$this->order_service->attach_intent_info_to_order( $order, $intent_id, $status, $payment_method_id, $customer_id, $charge_id, $currency );
$this->attach_exchange_info_to_order( $order, $charge_id );
if ( Payment_Intent_Status::SUCCEEDED === $status ) {
$this->remove_session_processing_order( $order->get_id() );
}
$this->order_service->update_order_status_from_intent( $order, $intent );
$this->set_payment_method_title_for_order( $order, $payment_method_type, $payment_method_details );
$this->order_service->attach_transaction_fee_to_order( $order, $charge );
self::remove_upe_payment_intent_from_session();
if ( Payment_Intent_Status::REQUIRES_ACTION === $status ) {
// I don't think this case should be possible, but just in case...
$next_action = $intent->get_next_action();
if ( isset( $next_action['type'] ) && 'redirect_to_url' === $next_action['type'] && ! empty( $next_action['redirect_to_url']['url'] ) ) {
wp_safe_redirect( $next_action['redirect_to_url']['url'] );
exit;
} else {
$redirect_url = sprintf(
'#wcpay-confirm-%s:%s:%s:%s',
$payment_needed ? 'pi' : 'si',
$order_id,
WC_Payments_Utils::encrypt_client_secret( $this->account->get_stripe_account_id(), $client_secret ),
wp_create_nonce( 'wcpay_update_order_status_nonce' )
);
wp_safe_redirect( $redirect_url );
exit;
}
}
}
} catch ( Exception $e ) {
Logger::log( 'Error: ' . $e->getMessage() );
// Confirm our needed variables are set before using them due to there could be a server issue during the get_intent process.
$status = $status ?? null;
$charge_id = $charge_id ?? null;
/* translators: localized exception message */
$message = sprintf( __( 'UPE payment failed: %s', 'woocommerce-payments' ), $e->getMessage() );
$this->order_service->mark_payment_failed( $order, $intent_id, $status, $charge_id, $message );
self::remove_upe_payment_intent_from_session();
wc_add_notice( WC_Payments_Utils::get_filtered_error_message( $e ), 'error' );
wp_safe_redirect( wc_get_checkout_url() );
exit;
}
}
/**
* Generates the configuration values, needed for UPE payment fields.
*
* @deprecated 5.0.0
*
* @return array
*/
public function get_payment_fields_js_config() {
wc_deprecated_function( __FUNCTION__, '5.0.0', 'WC_Payments_UPE_Checkout::get_payment_fields_js_config' );
return WC_Payments::get_wc_payments_checkout()->get_payment_fields_js_config();
}
/**
* True if the request contains the values that indicates a redirection after a successful setup intent creation.
*
* @return bool
*/
public function is_setup_intent_success_creation_redirection() {
return ! empty( $_GET['setup_intent_client_secret'] ) && // phpcs:ignore WordPress.Security.NonceVerification.Recommended
! empty( $_GET['setup_intent'] ) && // phpcs:ignore WordPress.Security.NonceVerification.Recommended
! empty( $_GET['redirect_status'] ) && // phpcs:ignore WordPress.Security.NonceVerification.Recommended
'succeeded' === $_GET['redirect_status']; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
}
/**
* Adds a token to current user from a setup intent id.
*
* @param string $setup_intent_id ID of the setup intent.
* @param WP_User $user User to add token to.
*
* @return WC_Payment_Token_CC|WC_Payment_Token_WCPay_SEPA|null The added token.
*/
public function create_token_from_setup_intent( $setup_intent_id, $user ) {
try {
$setup_intent = $this->payments_api_client->get_setup_intent( $setup_intent_id );
$payment_method_id = $setup_intent['payment_method'];
// TODO: When adding SEPA and Sofort, we will need a new API call to get the payment method and from there get the type.
// Leaving 'card' as a hardcoded value for now to avoid the extra API call.
$payment_method = $this->payment_methods['card'];
return $payment_method->get_payment_token_for_user( $user, $payment_method_id );
} catch ( Exception $e ) {
wc_add_notice( WC_Payments_Utils::get_filtered_error_message( $e ), 'error', [ 'icon' => 'error' ] );
Logger::log( 'Error when adding payment method: ' . $e->getMessage() );
}
}
/**
* Set formatted readable payment method title for order,
* using payment method details from accompanying charge.
*
* @param WC_Order $order WC Order being processed.
* @param string $payment_method_type Stripe payment method key.
* @param array|bool $payment_method_details Array of payment method details from charge or false.
*/
public function set_payment_method_title_for_order( $order, $payment_method_type, $payment_method_details ) {
$payment_method = $this->get_selected_payment_method( $payment_method_type );
if ( ! $payment_method ) {
return;
}
$payment_method_title = $payment_method->get_title( $payment_method_details );
$order->set_payment_method( self::GATEWAY_ID );
$order->set_payment_method_title( $payment_method_title );
$order->save();
}
/**
* Returns the list of enabled payment method types that will function with the current checkout.
*
* @param string $order_id optional Order ID.
* @param bool $force_currency_check optional Whether the currency check is required even if is_admin().
*
* @return string[]
*/
public function get_payment_method_ids_enabled_at_checkout( $order_id = null, $force_currency_check = false ) {
$automatic_capture = empty( $this->get_option( 'manual_capture' ) ) || $this->get_option( 'manual_capture' ) === 'no';
if ( $automatic_capture ) {
$upe_enabled_payment_methods = $this->get_upe_enabled_payment_method_ids();
} else {
$upe_enabled_payment_methods = array_intersect( $this->get_upe_enabled_payment_method_ids(), [ Payment_Method::CARD, Payment_Method::LINK ] );
}
$enabled_payment_methods = [];
$active_payment_methods = $this->get_upe_enabled_payment_method_statuses();
foreach ( $upe_enabled_payment_methods as $payment_method_id ) {
$payment_method_capability_key = $this->payment_method_capability_key_map[ $payment_method_id ] ?? 'undefined_capability_key';
if ( isset( $this->payment_methods[ $payment_method_id ] ) ) {
// When creating a payment intent, we need to ensure the currency is matching
// with the payment methods which are sent with the payment intent request, otherwise
// Stripe returns an error.
// force_currency_check = 0 is_admin = 0 currency_is_checked = 1.
// force_currency_check = 0 is_admin = 1 currency_is_checked = 0.
// force_currency_check = 1 is_admin = 0 currency_is_checked = 1.
// force_currency_check = 1 is_admin = 1 currency_is_checked = 1.
$skip_currency_check = ! $force_currency_check && is_admin();
$processing_payment_method = $this->payment_methods[ $payment_method_id ];
if ( $processing_payment_method->is_enabled_at_checkout() && ( $skip_currency_check || $processing_payment_method->is_currency_valid() ) ) {
$status = $active_payment_methods[ $payment_method_capability_key ]['status'] ?? null;
if ( 'active' === $status ) {
$enabled_payment_methods[] = $payment_method_id;
}
}
}
}
// if credit card payment method is not enabled, we don't use stripe link.
if (
! in_array( CC_Payment_Method::PAYMENT_METHOD_STRIPE_ID, $enabled_payment_methods, true ) &&
in_array( Link_Payment_Method::PAYMENT_METHOD_STRIPE_ID, $enabled_payment_methods, true ) ) {
$enabled_payment_methods = array_filter(
$enabled_payment_methods,
static function( $method ) {
return Link_Payment_Method::PAYMENT_METHOD_STRIPE_ID !== $method;
}
);
}
return $enabled_payment_methods;
}
/**
* Returns the list of enabled payment method types that will function with the current checkout filtered by fees.
*
* @param string $order_id optional Order ID.
* @param bool $force_currency_check optional Whether the currency check is required even if is_admin().
*
* @return string[]
*/
public function get_payment_method_ids_enabled_at_checkout_filtered_by_fees( $order_id = null, $force_currency_check = false ) {
$enabled_payment_methods = $this->get_payment_method_ids_enabled_at_checkout( $order_id, $force_currency_check );
$methods_with_fees = array_keys( $this->account->get_fees() );
return array_values( array_intersect( $enabled_payment_methods, $methods_with_fees ) );
}
/**
* Returns the list of available payment method types for UPE.
* Filtering out those without configured fees, this will prevent a payment method not supported by the Stripe account's country from being returned.
* Note that we are not taking into account capabilities, which are taken into account when managing payment methods in settings.
* See https://stripe.com/docs/stripe-js/payment-element#web-create-payment-intent for a complete list.
*
* @return string[]
*/
public function get_upe_available_payment_methods() {
$available_methods = parent::get_upe_available_payment_methods();
$available_methods[] = Becs_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
$available_methods[] = Bancontact_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
$available_methods[] = Eps_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
$available_methods[] = Giropay_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
$available_methods[] = Ideal_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
$available_methods[] = Sofort_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
$available_methods[] = Sepa_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
$available_methods[] = P24_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
$available_methods[] = Link_Payment_Method::PAYMENT_METHOD_STRIPE_ID;
$available_methods = array_values(
apply_filters(
'wcpay_upe_available_payment_methods',
$available_methods
)
);
$methods_with_fees = array_keys( $this->account->get_fees() );
return array_values( array_intersect( $available_methods, $methods_with_fees ) );