class-wc-shortcode-checkout.php
<?php
/**
* Checkout Shortcode
*
* Used on the checkout page, the checkout shortcode displays the checkout process.
*
* @package WooCommerce\Shortcodes\Checkout
* @version 2.0.0
*/
defined( 'ABSPATH' ) || exit;
use Automattic\WooCommerce\Internal\Utilities\Users;
/**
* Shortcode checkout class.
*/
class WC_Shortcode_Checkout {
/**
* Get the shortcode content.
*
* @param array $atts Shortcode attributes.
* @return string
*/
public static function get( $atts ) {
return WC_Shortcodes::shortcode_wrapper( array( __CLASS__, 'output' ), $atts );
}
/**
* Output the shortcode.
*
* @param array $atts Shortcode attributes.
*/
public static function output( $atts ) {
global $wp;
// Check cart class is loaded or abort.
if ( is_null( WC()->cart ) ) {
return;
}
// Backwards compatibility with old pay and thanks link arguments.
if ( isset( $_GET['order'] ) && isset( $_GET['key'] ) ) { // WPCS: input var ok, CSRF ok.
wc_deprecated_argument( __CLASS__ . '->' . __FUNCTION__, '2.1', '"order" is no longer used to pass an order ID. Use the order-pay or order-received endpoint instead.' );
// Get the order to work out what we are showing.
$order_id = absint( $_GET['order'] ); // WPCS: input var ok.
$order = wc_get_order( $order_id );
if ( $order && $order->has_status( 'pending' ) ) {
$wp->query_vars['order-pay'] = absint( $_GET['order'] ); // WPCS: input var ok.
} else {
$wp->query_vars['order-received'] = absint( $_GET['order'] ); // WPCS: input var ok.
}
}
// Handle checkout actions.
if ( ! empty( $wp->query_vars['order-pay'] ) ) {
self::order_pay( $wp->query_vars['order-pay'] );
} elseif ( isset( $wp->query_vars['order-received'] ) ) {
self::order_received( $wp->query_vars['order-received'] );
} else {
self::checkout();
}
}
/**
* Show the pay page.
*
* @throws Exception When validate fails.
* @param int $order_id Order ID.
*/
private static function order_pay( $order_id ) {
do_action( 'before_woocommerce_pay' );
$order_id = absint( $order_id );
// Pay for existing order.
if ( isset( $_GET['pay_for_order'], $_GET['key'] ) && $order_id ) { // WPCS: input var ok, CSRF ok.
try {
$order_key = isset( $_GET['key'] ) ? wc_clean( wp_unslash( $_GET['key'] ) ) : ''; // WPCS: input var ok, CSRF ok.
$order = wc_get_order( $order_id );
// Order or payment link is invalid.
if ( ! $order || $order->get_id() !== $order_id || ! hash_equals( $order->get_order_key(), $order_key ) ) {
throw new Exception( __( 'Sorry, this order is invalid and cannot be paid for.', 'woocommerce' ) );
}
// Logged out customer does not have permission to pay for this order.
if ( ! current_user_can( 'pay_for_order', $order_id ) && ! is_user_logged_in() ) {
wc_print_notice( esc_html__( 'Please log in to your account below to continue to the payment form.', 'woocommerce' ), 'notice' );
woocommerce_login_form(
array(
'redirect' => $order->get_checkout_payment_url(),
)
);
return;
}
// Add notice if logged in customer is trying to pay for guest order.
if ( ! $order->get_user_id() && is_user_logged_in() ) {
// If order has does not have same billing email then current logged in user then show warning.
if ( $order->get_billing_email() !== wp_get_current_user()->user_email ) {
wc_print_notice( __( 'You are paying for a guest order. Please continue with payment only if you recognize this order.', 'woocommerce' ), 'error' );
}
}
// Logged in customer trying to pay for someone else's order.
if ( ! current_user_can( 'pay_for_order', $order_id ) ) {
throw new Exception( __( 'This order cannot be paid for. Please contact us if you need assistance.', 'woocommerce' ) );
}
// Does not need payment.
if ( ! $order->needs_payment() ) {
/* translators: %s: order status */
throw new Exception( sprintf( __( 'This order’s status is “%s”—it cannot be paid for. Please contact us if you need assistance.', 'woocommerce' ), wc_get_order_status_name( $order->get_status() ) ) );
}
// Ensure order items are still stocked if paying for a failed order. Pending orders do not need this check because stock is held.
if ( ! $order->has_status( wc_get_is_pending_statuses() ) ) {
$quantities = array();
foreach ( $order->get_items() as $item_key => $item ) {
if ( $item && is_callable( array( $item, 'get_product' ) ) ) {
$product = $item->get_product();
if ( ! $product ) {
continue;
}
$quantities[ $product->get_stock_managed_by_id() ] = isset( $quantities[ $product->get_stock_managed_by_id() ] ) ? $quantities[ $product->get_stock_managed_by_id() ] + $item->get_quantity() : $item->get_quantity();
}
}
// Stock levels may already have been adjusted for this order (in which case we don't need to worry about checking for low stock).
if ( ! $order->get_data_store()->get_stock_reduced( $order->get_id() ) ) {
foreach ( $order->get_items() as $item_key => $item ) {
if ( $item && is_callable( array( $item, 'get_product' ) ) ) {
$product = $item->get_product();
if ( ! $product ) {
continue;
}
if ( ! apply_filters( 'woocommerce_pay_order_product_in_stock', $product->is_in_stock(), $product, $order ) ) {
/* translators: %s: product name */
throw new Exception( sprintf( __( 'Sorry, "%s" is no longer in stock so this order cannot be paid for. We apologize for any inconvenience caused.', 'woocommerce' ), $product->get_name() ) );
}
// We only need to check products managing stock, with a limited stock qty.
if ( ! $product->managing_stock() || $product->backorders_allowed() ) {
continue;
}
// Check stock based on all items in the cart and consider any held stock within pending orders.
$held_stock = wc_get_held_stock_quantity( $product, $order->get_id() );
$required_stock = $quantities[ $product->get_stock_managed_by_id() ];
if ( ! apply_filters( 'woocommerce_pay_order_product_has_enough_stock', ( $product->get_stock_quantity() >= ( $held_stock + $required_stock ) ), $product, $order ) ) {
/* translators: 1: product name 2: quantity in stock */
throw new Exception( sprintf( __( 'Sorry, we do not have enough "%1$s" in stock to fulfill your order (%2$s available). We apologize for any inconvenience caused.', 'woocommerce' ), $product->get_name(), wc_format_stock_quantity_for_display( $product->get_stock_quantity() - $held_stock, $product ) ) );
}
}
}
}
}
// If we cannot match the order with the current user, ask that they verify their email address.
if ( self::guest_should_verify_email( $order, 'order-pay' ) ) {
wc_get_template(
'checkout/form-verify-email.php',
array(
'failed_submission' => ! empty( $_POST['email'] ), // phpcs:ignore WordPress.Security.NonceVerification.Missing
'verify_url' => $order->get_checkout_payment_url(),
)
);
return;
}
WC()->customer->set_props(
array(
'billing_country' => $order->get_billing_country() ? $order->get_billing_country() : null,
'billing_state' => $order->get_billing_state() ? $order->get_billing_state() : null,
'billing_postcode' => $order->get_billing_postcode() ? $order->get_billing_postcode() : null,
)
);
WC()->customer->save();
$available_gateways = WC()->payment_gateways->get_available_payment_gateways();
if ( count( $available_gateways ) ) {
current( $available_gateways )->set_current();
}
/**
* Allows the text of the submit button on the Pay for Order page to be changed.
*
* @param string $text The text of the button.
*
* @since 3.0.2
*/
$order_button_text = apply_filters( 'woocommerce_pay_order_button_text', __( 'Pay for order', 'woocommerce' ) );
/**
* Triggered right before the Pay for Order form, after validation of the order and customer.
*
* @param WC_Order $order The order that is being paid for.
* @param string $order_button_text The text for the submit button.
* @param array $available_gateways All available gateways.
*
* @since 6.6
*/
do_action( 'before_woocommerce_pay_form', $order, $order_button_text, $available_gateways );
wc_get_template(
'checkout/form-pay.php',
array(
'order' => $order,
'available_gateways' => $available_gateways,
'order_button_text' => $order_button_text,
)
);
} catch ( Exception $e ) {
wc_print_notice( $e->getMessage(), 'error' );
}
} elseif ( $order_id ) {
// Pay for order after checkout step.
$order_key = isset( $_GET['key'] ) ? wc_clean( wp_unslash( $_GET['key'] ) ) : ''; // WPCS: input var ok, CSRF ok.
$order = wc_get_order( $order_id );
if ( $order && $order->get_id() === $order_id && hash_equals( $order->get_order_key(), $order_key ) ) {
if ( $order->needs_payment() ) {
wc_get_template( 'checkout/order-receipt.php', array( 'order' => $order ) );
} else {
/* translators: %s: order status */
wc_print_notice( sprintf( __( 'This order’s status is “%s”—it cannot be paid for. Please contact us if you need assistance.', 'woocommerce' ), wc_get_order_status_name( $order->get_status() ) ), 'error' );
}
} else {
wc_print_notice( __( 'Sorry, this order is invalid and cannot be paid for.', 'woocommerce' ), 'error' );
}
} else {
wc_print_notice( __( 'Invalid order.', 'woocommerce' ), 'error' );
}
do_action( 'after_woocommerce_pay' );
}
/**
* Show the thanks page.
*
* @param int $order_id Order ID.
*/
private static function order_received( $order_id = 0 ) {
$order = false;
// Get the order.
$order_id = apply_filters( 'woocommerce_thankyou_order_id', absint( $order_id ) );
$order_key = apply_filters( 'woocommerce_thankyou_order_key', empty( $_GET['key'] ) ? '' : wc_clean( wp_unslash( $_GET['key'] ) ) ); // WPCS: input var ok, CSRF ok.
if ( $order_id > 0 ) {
$order = wc_get_order( $order_id );
if ( ( ! $order instanceof WC_Order ) || ! hash_equals( $order->get_order_key(), $order_key ) ) {
$order = false;
}
}
// Empty awaiting payment session.
unset( WC()->session->order_awaiting_payment );
// In case order is created from admin, but paid by the actual customer, store the ip address of the payer
// when they visit the payment confirmation page.
if ( $order && $order->is_created_via( 'admin' ) ) {
$order->set_customer_ip_address( WC_Geolocation::get_ip_address() );
$order->save();
}
// Empty current cart.
wc_empty_cart();
// If the specified order ID was invalid, we still render the default order received page (which will simply
// state that the order was received, but will not output any other details: this makes it harder to probe for
// valid order IDs than if we state that the order ID was not recognized).
if ( ! $order ) {
wc_get_template( 'checkout/thankyou.php', array( 'order' => false ) );
return;
}
/**
* Indicates if known (non-guest) shoppers need to be logged in before we let
* them access the order received page.
*
* @param bool $verify_known_shoppers If verification is required.
*
* @since 8.4.0
*/
$verify_known_shoppers = apply_filters( 'woocommerce_order_received_verify_known_shoppers', true );
$order_customer_id = $order->get_customer_id();
// For non-guest orders, require the user to be logged in before showing this page.
if ( $verify_known_shoppers && $order_customer_id && get_current_user_id() !== $order_customer_id ) {
wc_get_template( 'checkout/order-received.php', array( 'order' => false ) );
wc_print_notice( esc_html__( 'Please log in to your account to view this order.', 'woocommerce' ), 'notice' );
woocommerce_login_form( array( 'redirect' => $order->get_checkout_order_received_url() ) );
return;
}
// For guest orders, request they verify their email address (unless we can identify them via the active user session).
if ( self::guest_should_verify_email( $order, 'order-received' ) ) {
wc_get_template( 'checkout/order-received.php', array( 'order' => false ) );
wc_get_template(
'checkout/form-verify-email.php',
array(
'failed_submission' => ! empty( $_POST['email'] ), // phpcs:ignore WordPress.Security.NonceVerification.Missing
'verify_url' => $order->get_checkout_order_received_url(),
)
);
return;
}
// Otherwise, display the thank you (order received) page.
wc_get_template( 'checkout/thankyou.php', array( 'order' => $order ) );
}
/**
* Show the checkout.
*/
private static function checkout() {
// Show non-cart errors.
do_action( 'woocommerce_before_checkout_form_cart_notices' );
// Check cart has contents.
if ( WC()->cart->is_empty() && ! is_customize_preview() && apply_filters( 'woocommerce_checkout_redirect_empty_cart', true ) ) {
return;
}
// Check cart contents for errors.
do_action( 'woocommerce_check_cart_items' );
// Calc totals.
WC()->cart->calculate_totals();
// Get checkout object.
$checkout = WC()->checkout();
if ( empty( $_POST ) && wc_notice_count( 'error' ) > 0 ) { // WPCS: input var ok, CSRF ok.
wc_get_template( 'checkout/cart-errors.php', array( 'checkout' => $checkout ) );
wc_clear_notices();
} else {
$non_js_checkout = ! empty( $_POST['woocommerce_checkout_update_totals'] ); // WPCS: input var ok, CSRF ok.
if ( wc_notice_count( 'error' ) === 0 && $non_js_checkout ) {
wc_add_notice( __( 'The order totals have been updated. Please confirm your order by pressing the "Place order" button at the bottom of the page.', 'woocommerce' ) );
}
wc_get_template( 'checkout/form-checkout.php', array( 'checkout' => $checkout ) );
}
}
/**
* Tries to determine if the user's email address should be verified before rendering either the 'order received' or
* 'order pay' pages. This should only be applied to guest orders.
*
* @param WC_Order $order The order for which a need for email verification is being determined.
* @param string $context The context in which email verification is being tested.
*
* @return bool
*/
private static function guest_should_verify_email( WC_Order $order, string $context ): bool {
// If we cannot match the order with the current user, ask that they verify their email address.
$nonce_is_valid = wp_verify_nonce( filter_input( INPUT_POST, 'check_submission' ), 'wc_verify_email' );
$supplied_email = null;
$order_id = $order->get_id();
if ( $nonce_is_valid ) {
$supplied_email = sanitize_email( wp_unslash( filter_input( INPUT_POST, 'email' ) ) );
}
return Users::should_user_verify_order_email( $order_id, $supplied_email, $context );
}
}