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ðŸ“ ..
ðŸ“ abstracts
ðŸ“ admin
ðŸ“„ class-wc-gateway-stripe.php(41.4 KB)
ðŸ“„ class-wc-stripe-account.php(16.28 KB)
ðŸ“„ class-wc-stripe-action-scheduler-service.php(1.18 KB)
ðŸ“„ class-wc-stripe-api.php(14.45 KB)
ðŸ“„ class-wc-stripe-apple-pay-registration.php(13.92 KB)
ðŸ“„ class-wc-stripe-blocks-support.php(19.97 KB)
ðŸ“„ class-wc-stripe-co-branded-cc-compatibility.php(478 B)
ðŸ“„ class-wc-stripe-customer.php(25.17 KB)
ðŸ“„ class-wc-stripe-database-cache.php(5.15 KB)
ðŸ“„ class-wc-stripe-exception.php(831 B)
ðŸ“„ class-wc-stripe-feature-flags.php(6.21 KB)
ðŸ“„ class-wc-stripe-helper.php(59.59 KB)
ðŸ“„ class-wc-stripe-intent-controller.php(51.29 KB)
ðŸ“„ class-wc-stripe-logger.php(2.62 KB)
ðŸ“„ class-wc-stripe-mode.php(620 B)
ðŸ“„ class-wc-stripe-order-handler.php(16.61 KB)
ðŸ“„ class-wc-stripe-order.php(21.64 KB)
ðŸ“„ class-wc-stripe-payment-method-configurations.php(15.08 KB)
ðŸ“„ class-wc-stripe-status.php(9.6 KB)
ðŸ“„ class-wc-stripe-upe-compatibility.php(531 B)
ðŸ“„ class-wc-stripe-webhook-handler.php(48.05 KB)
ðŸ“„ class-wc-stripe-webhook-state.php(12.41 KB)
ðŸ“ compat
ðŸ“ connect
ðŸ“ constants
ðŸ“ deprecated
ðŸ“ migrations
ðŸ“ notes
ðŸ“ payment-methods
ðŸ“ payment-tokens

Editing: class-wc-gateway-stripe.php

<?php

use Automattic\WooCommerce\Enums\OrderStatus;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * WC_Gateway_Stripe class.
 *
 * @extends WC_Payment_Gateway
 */
class WC_Gateway_Stripe extends WC_Stripe_Payment_Gateway {

const ID = 'stripe';

/**
	 * Should we capture Credit cards
	 *
	 * @var bool
	 */
	public $capture;

/**
	 * Alternate credit card statement name
	 *
	 * @var bool
	 */
	public $statement_descriptor;

/**
	 * Should we store the users credit cards?
	 *
	 * @var bool
	 */
	public $saved_cards;

/**
	 * API access secret key
	 *
	 * @var string
	 */
	public $secret_key;

/**
	 * Api access publishable key
	 *
	 * @var string
	 */
	public $publishable_key;

/**
	 * Do we accept Payment Request?
	 *
	 * @var bool
	 */
	public $payment_request;

/**
	 * Is test mode active?
	 *
	 * @var bool
	 */
	public $testmode;

/**
	 * Inline CC form styling
	 *
	 * @var string
	 */
	public $inline_cc_form;

/**
	 * Order pay intent
	 */
	private $order_pay_intent;

/**
	 * Constructor
	 */
	public function __construct() {
		$this->id           = self::ID;
		$this->method_title = __( 'Stripe', 'woocommerce-gateway-stripe' );
		/* translators: 1) link to Stripe register page 2) link to Stripe api keys page */
		$this->method_description = __( 'Stripe works by adding payment fields on the checkout and then sending the details to Stripe for verification.', 'woocommerce-gateway-stripe' );
		$this->has_fields         = true;
		$this->supports           = [
			'products',
			'refunds',
			'tokenization',
			'add_payment_method',
		];

// Load the form fields.
		$this->init_form_fields();

// Load the settings.
		$this->init_settings();

// Check if subscriptions are enabled and add support for them.
		$this->maybe_init_subscriptions();

// Check if pre-orders are enabled and add support for them.
		$this->maybe_init_pre_orders();

// Get setting values.
		$this->title                = $this->get_validated_option( 'title' );
		$this->description          = $this->get_validated_option( 'description' );
		$this->enabled              = $this->get_option( 'enabled' );
		$this->testmode             = 'yes' === $this->get_option( 'testmode' );
		$this->inline_cc_form       = 'yes' === $this->get_option( 'inline_cc_form' );
		$this->capture              = 'yes' === $this->get_option( 'capture', 'yes' );
		$this->statement_descriptor = WC_Stripe_Helper::clean_statement_descriptor( $this->get_validated_option( 'statement_descriptor' ) );
		$this->saved_cards          = 'yes' === $this->get_option( 'saved_cards' );
		$this->secret_key           = $this->testmode ? $this->get_validated_option( 'test_secret_key' ) : $this->get_validated_option( 'secret_key' );
		$this->publishable_key      = $this->testmode ? $this->get_validated_option( 'test_publishable_key' ) : $this->get_validated_option( 'publishable_key' );
		$this->payment_request      = 'yes' === $this->get_option( 'payment_request', 'yes' );

WC_Stripe_API::set_secret_key( $this->secret_key );

// Hooks.
		add_action( 'wp_enqueue_scripts', [ $this, 'payment_scripts' ] );
		add_action( 'woocommerce_update_options_payment_gateways_' . $this->id, [ $this, 'process_admin_options' ] );
		add_action( 'woocommerce_admin_order_totals_after_total', [ $this, 'display_order_fee' ] );
		add_action( 'woocommerce_admin_order_totals_after_total', [ $this, 'display_order_payout' ], 20 );
		add_action( 'woocommerce_customer_save_address', [ $this, 'show_update_card_notice' ], 10, 2 );
		add_filter( 'woocommerce_available_payment_gateways', [ $this, 'prepare_order_pay_page' ] );
		add_action( 'woocommerce_account_view-order_endpoint', [ $this, 'check_intent_status_on_order_page' ], 1 );
		add_filter( 'woocommerce_payment_successful_result', [ $this, 'modify_successful_payment_result' ], 99999, 2 );
		add_action( 'set_logged_in_cookie', [ $this, 'set_cookie_on_current_request' ] );
		add_filter( 'woocommerce_get_checkout_payment_url', [ $this, 'get_checkout_payment_url' ], 10, 2 );
		add_filter( 'woocommerce_gateway_' . $this->id . '_settings_values', [ $this, 'update_onboarding_settings' ] );

// Note: display error is in the parent class.
		add_action( 'admin_notices', [ $this, 'display_errors' ], 9999 );
	}

/**
	 * Gets the payment gateway's Title.
	 *
	 * On payment settings page the default title includes the number of legacy payment methods enabled.
	 *
	 * @return string The payment gateway's title.
	 */
	public function get_title() {
		// Change the title on the payment methods settings page to include the number of enabled payment methods.
		if ( ! WC_Stripe_Feature_Flags::is_upe_checkout_enabled() && isset( $_GET['page'] ) && 'wc-settings' === $_GET['page'] && isset( $_GET['tab'] ) && 'checkout' === $_GET['tab'] ) {
			$enabled_payment_methods_count = count( WC_Stripe_Helper::get_legacy_enabled_payment_method_ids() );
			$this->title                   = $enabled_payment_methods_count ?
				/* translators: $1. Count of enabled payment methods. */
				sprintf( _n( '%d payment method', '%d payment methods', $enabled_payment_methods_count, 'woocommerce-gateway-stripe' ), $enabled_payment_methods_count )
				: $this->method_title;
		}

return parent::get_title();
	}

/**
	 * Checks if gateway should be available to use.
	 *
	 * @since 4.0.2
	 */
	public function is_available() {
		if ( is_add_payment_method_page() && ! $this->saved_cards ) {
			return false;
		}

return parent::is_available();
	}

/**
	 * Adds a notice for customer when they update their billing address.
	 *
	 * @since 4.1.0
	 * @param int    $user_id      The ID of the current user.
	 * @param string $load_address The address to load.
	 */
	public function show_update_card_notice( $user_id, $load_address ) {
		if (
			is_admin() ||
			! $this->saved_cards ||
			! WC_Stripe_Payment_Tokens::customer_has_saved_methods( $user_id ) ||
			'billing' !== $load_address
		) {
			return;
		}

/* translators: 1) Opening anchor tag 2) closing anchor tag */
		wc_add_notice( sprintf( __( 'If your billing address has been changed for saved payment methods, be sure to remove any %1$ssaved payment methods%2$s on file and re-add them.', 'woocommerce-gateway-stripe' ), '<a href="' . esc_url( wc_get_endpoint_url( 'payment-methods' ) ) . '" class="wc-stripe-update-card-notice" style="text-decoration:underline;">', '</a>' ), 'notice' );
	}

/**
	 * Get_icon function.
	 *
	 * @since 1.0.0
	 * @version 5.6.2
	 * @return string|null
	 */
	public function get_icon() {
		return apply_filters( 'woocommerce_gateway_icon', null, $this->id );
	}

/**
	 * Initialise Gateway Settings Form Fields
	 */
	public function init_form_fields() {
		$this->form_fields = require __DIR__ . '/admin/stripe-settings.php';
	}

/**
	 * Payment form on checkout page
	 */
	public function payment_fields() {
		global $wp;
		$user                 = wp_get_current_user();
		$display_tokenization = $this->supports( 'tokenization' ) && is_checkout() && $this->saved_cards;
		$user_email           = '';
		$description          = $this->get_description();
		$description          = ! empty( $description ) ? $description : '';
		$firstname            = '';
		$lastname             = '';

// If paying for order, we need to get email from the order not the user account.
		if ( parent::is_valid_pay_for_order_endpoint() ) {
			$order      = wc_get_order( wc_clean( $wp->query_vars['order-pay'] ) );
			$user_email = $order->get_billing_email();
		} elseif ( $user->ID ) {
				$user_email = get_user_meta( $user->ID, 'billing_email', true );
				$user_email = $user_email ? $user_email : $user->user_email;
		}

if ( is_add_payment_method_page() ) {
			$firstname = $user->user_firstname;
			$lastname  = $user->user_lastname;
		}

ob_start();

echo '<div
			id="stripe-payment-data"
			data-email="' . esc_attr( $user_email ) . '"
			data-full-name="' . esc_attr( $firstname . ' ' . $lastname ) . '"
			data-currency="' . esc_attr( strtolower( get_woocommerce_currency() ) ) . '"
		>';

if ( $this->testmode ) {
			/* translators: link to Stripe testing page */
			$description .= ' ' . sprintf( __( 'TEST MODE ENABLED. In test mode, you can use the card number 4242424242424242 with any CVC and a valid expiration date or check the <a href="%s" target="_blank">Testing Stripe documentation</a> for more card numbers.', 'woocommerce-gateway-stripe' ), 'https://docs.stripe.com/testing' );
		}

$description = trim( $description );

echo wp_kses_post( apply_filters( 'wc_stripe_description', wpautop( $description ), $this->id ) );

if ( $display_tokenization ) {
			$this->tokenization_script();
			$this->saved_payment_methods();
		}

$this->elements_form();

if ( apply_filters( 'wc_stripe_display_save_payment_method_checkbox', $display_tokenization ) && ! is_add_payment_method_page() && ! isset( $_GET['change_payment_method'] ) ) { // wpcs: csrf ok.

$this->save_payment_method_checkbox();
		}

do_action( 'wc_stripe_payment_fields_stripe', $this->id );

echo '</div>';

ob_end_flush();
	}

/**
	 * Renders the Stripe elements form.
	 *
	 * @since 4.0.0
	 * @version 4.0.0
	 */
	public function elements_form() {
		?>
		<fieldset id="wc-<?php echo esc_attr( $this->id ); ?>-cc-form" class="wc-credit-card-form wc-payment-form" style="background:transparent;">
			<?php do_action( 'woocommerce_credit_card_form_start', $this->id ); ?>

<?php if ( $this->inline_cc_form ) { ?>
				<label for="card-element">
					<?php esc_html_e( 'Credit or debit card', 'woocommerce-gateway-stripe' ); ?>
				</label>

<div class="stripe-source-errors" role="alert"></div>
			<?php do_action( 'woocommerce_credit_card_form_end', $this->id ); ?>
			<div class="clear"></div>
		</fieldset>
		<?php
	}

/**
	 * Override the parent admin_options method.
	 */
	public function admin_options() {
		do_action( 'wc_stripe_gateway_admin_options_wrapper', $this );
	}

/**
	 * Completes an order without a positive value.
	 *
	 * @since 4.2.0
	 * @param WC_Order $order             The order to complete.
	 * @param WC_Order $prepared_source   Payment source and customer data.
	 * @param boolean  $force_save_source Whether the payment source must be saved, like when dealing with a Subscription setup.
	 * @return array                      Redirection data for `process_payment`.
	 */
	public function complete_free_order( $order, $prepared_source, $force_save_source ) {
		if ( $force_save_source ) {
			$intent_secret = $this->setup_intent( $order, $prepared_source );

if ( ! empty( $intent_secret ) ) {
				// `get_return_url()` must be called immediately before returning a value.
				return [
					'result'              => 'success',
					'redirect'            => $this->get_return_url( $order ),
					'setup_intent_secret' => $intent_secret,
				];
			}
		}

// Remove cart.
		WC()->cart->empty_cart();

$order->payment_complete();

// Return thank you page redirect.
		return [
			'result'   => 'success',
			'redirect' => $this->get_return_url( $order ),
		];
	}

/**
	 * Process the payment
	 *
	 * @since 1.0.0
	 * @since 4.1.0 Add 4th parameter to track previous error.
	 * @version 5.6.0
	 *
	 * @param int  $order_id Reference.
	 * @param bool $retry Should we retry on fail.
	 * @param bool $force_save_source Force save the payment source.
	 * @param mix  $previous_error Any error message from previous request.
	 * @param bool $use_order_source Whether to use the source, which should already be attached to the order.
	 *
	 * @throws Exception If payment will not be accepted.
	 * @return array|void
	 */
	public function process_payment( $order_id, $retry = true, $force_save_source = false, $previous_error = false, $use_order_source = false ) {
		try {
			$order = wc_get_order( $order_id );

if ( $this->has_subscription( $order_id ) ) {
				$force_save_source = true;
			}

if ( $this->maybe_change_subscription_payment_method( $order_id ) ) {
				return $this->process_change_subscription_payment_method( $order_id );
			}

if ( $this->maybe_process_pre_orders( $order_id ) ) {
				return $this->process_pre_order( $order_id );
			}

// Check whether there is an existing intent.
			$intent = $this->get_intent_from_order( $order );
			if ( isset( $intent->object ) && 'setup_intent' === $intent->object ) {
				$intent = false; // This function can only deal with *payment* intents
			}

$stripe_customer_id = null;
			if ( $intent && ! empty( $intent->customer ) ) {
				$stripe_customer_id = $intent->customer;
			}

// For some payments the source should already be present in the order.
			if ( $use_order_source ) {
				$prepared_source = $this->prepare_order_source( $order );
			} else {
				/**
				 * Filters the user ID used to prepare the payment source.
				 *
				 * @since 9.2.0
				 *
				 * @param int     $user_id The user ID.
				 * @param WC_Order $order  The order object.
				 */
				$user_id         = apply_filters( 'wc_stripe_process_payment_prepared_source_user', get_current_user_id(), $order );
				$prepared_source = $this->prepare_source( $user_id, $force_save_source, $stripe_customer_id );
			}

$this->maybe_disallow_prepaid_card( $prepared_source->source_object );
			$this->check_source( $prepared_source );
			$this->save_source_to_order( $order, $prepared_source );

// Update the saved payment method to have the latest billing details.
			if ( $prepared_source->source && $this->is_using_saved_payment_method() ) {
				$this->update_saved_payment_method( $prepared_source->source, $order );
			}

if ( 0 >= $order->get_total() ) {
				return $this->complete_free_order( $order, $prepared_source, $force_save_source );
			}

// This will throw exception if not valid.
			$this->validate_minimum_order_amount( $order );

WC_Stripe_Logger::log( "Info: Begin processing payment for order $order_id for the amount of {$order->get_total()}" );

if ( $intent ) {
				$intent = $this->update_existing_intent( $intent, $order, $prepared_source );
			} else {
				$intent = $this->create_intent( $order, $prepared_source );
			}

// Confirm the intent after locking the order to make sure webhooks will not interfere.
			if ( empty( $intent->error ) ) {
				$this->lock_order_payment( $order, $intent );
				$intent = $this->confirm_intent( $intent, $order, $prepared_source );
			}

$force_save_source_value = apply_filters( 'wc_stripe_force_save_source', $force_save_source, $prepared_source->source );

if ( ! empty( $intent->error ) ) {
				$this->maybe_remove_non_existent_customer( $intent->error, $order );

// We want to retry.
				if ( $this->is_retryable_error( $intent->error ) ) {
					return $this->retry_after_error( $intent, $order, $retry, $force_save_source, $previous_error, $use_order_source );
				}

$this->unlock_order_payment( $order );
				$this->throw_localized_message( $intent, $order );
			}

if ( WC_Stripe_Intent_Status::SUCCEEDED === $intent->status && ! $this->is_using_saved_payment_method() && ( $this->save_payment_method_requested() || $force_save_source_value ) ) {
				$this->save_payment_method( $prepared_source->source_object );
			}

if ( ! empty( $intent ) ) {
				// Use the last charge within the intent to proceed.
				$response = $this->get_latest_charge_from_intent( $intent );

// If the intent requires a 3DS flow, redirect to it.
				if ( WC_Stripe_Intent_Status::REQUIRES_ACTION === $intent->status ) {
					$this->unlock_order_payment( $order );

// If the order requires some action from the customer, add meta to the order to prevent it from being cancelled by WooCommerce's hold stock settings.
					WC_Stripe_Helper::set_payment_awaiting_action( $order );

if ( is_wc_endpoint_url( 'order-pay' ) ) {
						$redirect_url = add_query_arg( 'wc-stripe-confirmation', 1, $order->get_checkout_payment_url( false ) );

return [
							'result'   => 'success',
							'redirect' => wp_sanitize_redirect( esc_url_raw( $redirect_url ) ),
						];
					} else {
						/**
						 * This URL contains only a hash, which will be sent to `checkout.js` where it will be set like this:
						 * `window.location = result.redirect`
						 * Once this redirect is sent to JS, the `onHashChange` function will execute `handleCardPayment`.
						 */

return [
							'result'                => 'success',
							'redirect'              => $this->get_return_url( $order ),
							'payment_intent_secret' => $intent->client_secret,
							'save_payment_method'   => $this->save_payment_method_requested(),
						];
					}
				}
			}

// Process valid response.
			$this->process_response( $response, $order );

// Remove cart.
			if ( isset( WC()->cart ) ) {
				WC()->cart->empty_cart();
			}

// Unlock the order.
			$this->unlock_order_payment( $order );

// Return thank you page redirect.
			return [
				'result'   => 'success',
				'redirect' => $this->get_return_url( $order ),
			];

} catch ( WC_Stripe_Exception $e ) {
			wc_add_notice( $e->getLocalizedMessage(), 'error' );
			WC_Stripe_Logger::log( 'Error: ' . $e->getMessage() );

do_action( 'wc_gateway_stripe_process_payment_error', $e, $order );

/* translators: error message */
			$order->update_status( OrderStatus::FAILED );

return [
				'result'   => 'fail',
				'redirect' => '',
			];
		}
	}

/**
	 * Displays the Stripe fee
	 *
	 * @since 4.1.0
	 *
	 * @param int $order_id The ID of the order.
	 */
	public function display_order_fee( $order_id ) {
		if ( apply_filters( 'wc_stripe_hide_display_order_fee', false, $order_id ) ) {
			return;
		}

$order = wc_get_order( $order_id );

$fee      = WC_Stripe_Helper::get_stripe_fee( $order );
		$currency = WC_Stripe_Helper::get_stripe_currency( $order );

if ( ! $fee || ! $currency ) {
			return;
		}

<tr>
			<td class="label stripe-fee">
				<?php echo wc_help_tip( __( 'This represents the fee Stripe collects for the transaction.', 'woocommerce-gateway-stripe' ) ); // wpcs: xss ok. ?>
				<?php esc_html_e( 'Stripe Fee:', 'woocommerce-gateway-stripe' ); ?>
			</td>
			<td width="1%"></td>
			<td class="total">
				-<?php echo wc_price( $fee, [ 'currency' => $currency ] ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
			</td>
		</tr>

<?php
	}

/**
	 * Displays the net total of the transaction without the charges of Stripe.
	 *
	 * @since 4.1.0
	 *
	 * @param int $order_id The ID of the order.
	 */
	public function display_order_payout( $order_id ) {
		if ( apply_filters( 'wc_stripe_hide_display_order_payout', false, $order_id ) ) {
			return;
		}

$order = wc_get_order( $order_id );

$net      = WC_Stripe_Helper::get_stripe_net( $order );
		$currency = WC_Stripe_Helper::get_stripe_currency( $order );

if ( ! $net || ! $currency ) {
			return;
		}

<tr>
			<td class="label stripe-payout">
				<?php echo wc_help_tip( __( 'This represents the net total that will be credited to your Stripe bank account. This may be in the currency that is set in your Stripe account.', 'woocommerce-gateway-stripe' ) ); // wpcs: xss ok. ?>
				<?php esc_html_e( 'Stripe Payout:', 'woocommerce-gateway-stripe' ); ?>
			</td>
			<td width="1%"></td>
			<td class="total">
				<?php echo wc_price( $net, [ 'currency' => $currency ] ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
			</td>
		</tr>

<?php
	}

/**
	 * Retries the payment process once an error occured.
	 *
	 * @since 4.2.0
	 * @param object   $response          The response from the Stripe API.
	 * @param WC_Order $order             An order that is being paid for.
	 * @param bool     $retry             A flag that indicates whether another retry should be attempted.
	 * @param bool     $force_save_source Force save the payment source.
	 * @param mixed    $previous_error    Any error message from previous request.
	 * @param bool     $use_order_source  Whether to use the source, which should already be attached to the order.
	 * @throws WC_Stripe_Exception        If the payment is not accepted.
	 * @return array|void
	 */
	public function retry_after_error( $response, $order, $retry, $force_save_source, $previous_error, $use_order_source ) {
		if ( ! $retry ) {
			$localized_message = __( 'Sorry, we are unable to process your payment at this time. Please retry later.', 'woocommerce-gateway-stripe' );
			$order->add_order_note( $localized_message );
			throw new WC_Stripe_Exception( print_r( $response, true ), $localized_message ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.
		}

// Don't do anymore retries after this.
		if ( 5 <= $this->retry_interval ) {
			return $this->process_payment( $order->get_id(), false, $force_save_source, $response->error, $previous_error );
		}

sleep( $this->retry_interval );
		++$this->retry_interval;

return $this->process_payment( $order->get_id(), true, $force_save_source, $response->error, $previous_error, $use_order_source );
	}

/**
	 * Adds the necessary hooks to modify the "Pay for order" page in order to clean
	 * it up and prepare it for the Stripe PaymentIntents modal to confirm a payment.
	 *
	 * @since 4.2
	 * @param WC_Payment_Gateway[] $gateways A list of all available gateways.
	 * @return WC_Payment_Gateway[]          Either the same list or an empty one in the right conditions.
	 */
	public function prepare_order_pay_page( $gateways ) {
		if ( ! is_wc_endpoint_url( 'order-pay' ) || ! isset( $_GET['wc-stripe-confirmation'] ) ) { // wpcs: csrf ok.
			return $gateways;
		}

try {
			$this->prepare_intent_for_order_pay_page();
		} catch ( WC_Stripe_Exception $e ) {
			// Just show the full order pay page if there was a problem preparing the Payment Intent
			return $gateways;
		}

add_filter( 'woocommerce_checkout_show_terms', '__return_false' );
		add_filter( 'woocommerce_pay_order_button_html', '__return_false' );
		add_filter( 'woocommerce_available_payment_gateways', '__return_empty_array' );
		add_filter( 'woocommerce_no_available_payment_methods_message', [ $this, 'change_no_available_methods_message' ] );
		add_action( 'woocommerce_pay_order_after_submit', [ $this, 'render_payment_intent_inputs' ] );

return [];
	}

/**
	 * Changes the text of the "No available methods" message to one that indicates
	 * the need for a PaymentIntent to be confirmed.
	 *
	 * @since 4.2
	 * @return string the new message.
	 */
	public function change_no_available_methods_message() {
		return wpautop( __( "Almost there!\n\nYour order has already been created, the only thing that still needs to be done is for you to authorize the payment with your bank.", 'woocommerce-gateway-stripe' ) );
	}

/**
	 * Prepares the Payment Intent for it to be completed in the "Pay for Order" page.
	 *
	 * @param WC_Order|null $order Order object, or null to get the order from the "order-pay" URL parameter
	 *
	 * @throws WC_Stripe_Exception
	 * @since 4.3
	 */
	public function prepare_intent_for_order_pay_page( $order = null ) {
		if ( ! isset( $order ) || empty( $order ) ) {
			$order = wc_get_order( absint( get_query_var( 'order-pay' ) ) );
		}
		$intent = $this->get_intent_from_order( $order );

if ( ! $intent ) {
			throw new WC_Stripe_Exception(
				'Payment Intent not found',
				sprintf(
					/* translators: %s is the order Id */
					__( 'Payment Intent not found for order #%s', 'woocommerce-gateway-stripe' ),
					$order->get_id()
				)
			);
		}

if ( WC_Stripe_Intent_Status::REQUIRES_PAYMENT_METHOD === $intent->status && isset( $intent->last_payment_error )
			&& 'authentication_required' === $intent->last_payment_error->code ) {
			$level3_data = $this->get_level3_data_from_order( $order );
			$intent      = WC_Stripe_API::request_with_level3_data(
				[
					'payment_method' => $intent->last_payment_error->source->id,
				],
				'payment_intents/' . $intent->id . '/confirm',
				$level3_data,
				$order
			);

if ( isset( $intent->error ) ) {
				throw new WC_Stripe_Exception( print_r( $intent, true ), $intent->error->message );
			}
		}

$this->order_pay_intent = $intent;
	}

/**
	 * Renders hidden inputs on the "Pay for Order" page in order to let Stripe handle PaymentIntents.
	 *
	 * @param WC_Order|null $order Order object, or null to get the order from the "order-pay" URL parameter
	 *
	 * @throws WC_Stripe_Exception
	 * @since 4.2
	 */
	public function render_payment_intent_inputs( $order = null ) {
		if ( ! isset( $order ) || empty( $order ) ) {
			$order = wc_get_order( absint( get_query_var( 'order-pay' ) ) );
		}
		if ( ! isset( $this->order_pay_intent ) ) {
			$this->prepare_intent_for_order_pay_page( $order );
		}

$verification_url = add_query_arg(
			[
				'order'            => $order->get_id(),
				'nonce'            => wp_create_nonce( 'wc_stripe_confirm_pi' ),
				'redirect_to'      => rawurlencode( $this->get_return_url( $order ) ),
				'is_pay_for_order' => true,
			],
			WC_AJAX::get_endpoint( 'wc_stripe_verify_intent' )
		);

echo '<input type="hidden" id="stripe-intent-id" value="' . esc_attr( $this->order_pay_intent->client_secret ) . '" />';
		echo '<input type="hidden" id="stripe-intent-return" value="' . esc_attr( $verification_url ) . '" />';
	}

/**
	 * Adds an error message wrapper to each saved method.
	 *
	 * @since 4.2.0
	 * @param WC_Payment_Token $token Payment Token.
	 * @return string                 Generated payment method HTML
	 */
	public function get_saved_payment_method_option_html( $token ) {
		$html          = parent::get_saved_payment_method_option_html( $token );
		$error_wrapper = '<div class="stripe-source-errors" role="alert"></div>';

return preg_replace( '~</(\w+)>\s*$~', "$error_wrapper</$1>", $html );
	}

/**
	 * Attempt to manually complete the payment process for orders, which are still pending
	 * before displaying the View Order page. This is useful in case webhooks have not been set up.
	 *
	 * @since 4.2.0
	 * @param int $order_id The ID that will be used for the thank you page.
	 */
	public function check_intent_status_on_order_page( $order_id ) {
		if ( empty( $order_id ) || absint( $order_id ) <= 0 ) {
			return;
		}

$order = wc_get_order( absint( $order_id ) );

if ( ! $order ) {
			return;
		}

$this->verify_intent_after_checkout( $order );
	}

/**
	 * Attached to `woocommerce_payment_successful_result` with a late priority,
	 * this method will combine the "naturally" generated redirect URL from
	 * WooCommerce and a payment/setup intent secret into a hash, which contains both
	 * the secret, and a proper URL, which will confirm whether the intent succeeded.
	 *
	 * @since 4.2.0
	 * @param array $result   The result from `process_payment`.
	 * @param int   $order_id The ID of the order which is being paid for.
	 * @return array
	 */
	public function modify_successful_payment_result( $result, $order_id ) {
		if ( ! isset( $result['payment_intent_secret'] ) && ! isset( $result['setup_intent_secret'] ) ) {
			// Only redirects with intents need to be modified.
			return $result;
		}

// Put the final thank you page redirect into the verification URL.
		$query_params = [
			'order'       => $order_id,
			'nonce'       => wp_create_nonce( 'wc_stripe_confirm_pi' ),
			'redirect_to' => rawurlencode( $result['redirect'] ),
		];

$force_save_source_value = apply_filters( 'wc_stripe_force_save_source', false );

// We want to save the payment method if requested or forced, AND if we are not
		// already using a saved payment method.
		if ( ( $this->save_payment_method_requested() || $force_save_source_value ) &&
			! $this->is_using_saved_payment_method() ) {
			$query_params['save_payment_method'] = true;
		}

$verification_url = add_query_arg( $query_params, WC_AJAX::get_endpoint( 'wc_stripe_verify_intent' ) );

if ( isset( $result['payment_intent_secret'] ) ) {
			$redirect_signature = sprintf(
				'#confirm-pi-%s:%s',
				$result['payment_intent_secret'],
				rawurlencode( wp_sanitize_redirect( esc_url_raw( $verification_url ) ) )
			);
		} elseif ( isset( $result['setup_intent_secret'] ) ) {
			$redirect_signature = sprintf(
				'#confirm-si-%s:%s',
				$result['setup_intent_secret'],
				rawurlencode( wp_sanitize_redirect( esc_url_raw( $verification_url ) ) )
			);
		}

return [
			'result'   => 'success',
			'redirect' => $redirect_signature, // This signature will be used by JS to redirect to the proper URL.
		];
	}

/**
	 * Proceed with current request using new login session (to ensure consistent nonce).
	 */
	public function set_cookie_on_current_request( $cookie ) {
		$_COOKIE[ LOGGED_IN_COOKIE ] = $cookie;
	}

/**
	 * Executed between the "Checkout" and "Thank you" pages, this
	 * method updates orders based on the status of associated PaymentIntents.
	 *
	 * @since 4.2.0
	 * @param WC_Order $order The order which is in a transitional state.
	 */
	public function verify_intent_after_checkout( $order ) {
		$payment_method = $order->get_payment_method();
		if ( $payment_method !== $this->id ) {
			// If this is not the payment method, an intent would not be available.
			return;
		}

$intent = $this->get_intent_from_order( $order );
		if ( ! $intent ) {
			// No intent, redirect to the order received page for further actions.
			return;
		}

// A webhook might have modified or locked the order while the intent was retreived. This ensures we are reading the right status.
		clean_post_cache( $order->get_id() );
		$order = wc_get_order( $order->get_id() );

if ( ! $order->has_status(
			apply_filters(
				'wc_stripe_allowed_payment_processing_statuses',
				[ OrderStatus::PENDING, OrderStatus::FAILED ],
				$order
			)
		) ) {
			// If payment has already been completed, this function is redundant.
			return;
		}

if ( $this->lock_order_payment( $order, $intent ) ) {
			return;
		}

if ( 'setup_intent' === $intent->object && WC_Stripe_Intent_Status::SUCCEEDED === $intent->status ) {
			WC()->cart->empty_cart();
			if ( $this->has_pre_order( $order ) ) {
				$this->mark_order_as_pre_ordered( $order );
			} else {
				$order->payment_complete();
			}
		} elseif ( WC_Stripe_Intent_Status::SUCCEEDED === $intent->status || WC_Stripe_Intent_Status::REQUIRES_CAPTURE === $intent->status ) {
			// Proceed with the payment completion.
			$this->handle_intent_verification_success( $order, $intent );
		} elseif ( WC_Stripe_Intent_Status::REQUIRES_PAYMENT_METHOD === $intent->status ) {
			// `requires_payment_method` means that SCA got denied for the current payment method.
			$this->handle_intent_verification_failure( $order, $intent );
		}

$this->unlock_order_payment( $order );

/**
		 * This meta is to prevent stores with short hold stock settings from cancelling orders while waiting for payment to be finalised by Stripe or the customer (i.e. completing 3DS or payment redirects).
		 * Now that payment is confirmed, we can remove this meta.
		 */
		WC_Stripe_Helper::remove_payment_awaiting_action( $order );
	}

/**
	 * Called after an intent verification succeeds, this allows
	 * specific APNs or children of this class to modify its behavior.
	 *
	 * @param WC_Order $order The order whose verification succeeded.
	 * @param stdClass $intent The Payment Intent object.
	 */
	protected function handle_intent_verification_success( $order, $intent ) {
		$this->process_response( $this->get_latest_charge_from_intent( $intent ), $order );
		$this->maybe_process_subscription_early_renewal_success( $order, $intent );
	}

/**
	 * Called after an intent verification fails, this allows
	 * specific APNs or children of this class to modify its behavior.
	 *
	 * @param WC_Order $order The order whose verification failed.
	 * @param stdClass $intent The Payment Intent object.
	 */
	protected function handle_intent_verification_failure( $order, $intent ) {
		$this->failed_sca_auth( $order, $intent );
		$this->maybe_process_subscription_early_renewal_failure( $order, $intent );
	}

/**
	 * Checks if the payment intent associated with an order failed and records the event.
	 *
	 * @since 4.2.0
	 * @param WC_Order $order  The order which should be checked.
	 * @param object   $intent The intent, associated with the order.
	 */
	public function failed_sca_auth( $order, $intent ) {
		// If the order has already failed, do not repeat the same message.
		if ( $order->has_status( OrderStatus::FAILED ) ) {
			return;
		}

// Load the right message and update the status.
		$status_message = isset( $intent->last_payment_error )
			/* translators: 1) The error message that was received from Stripe. */
			? sprintf( __( 'Stripe SCA authentication failed. Reason: %s', 'woocommerce-gateway-stripe' ), $intent->last_payment_error->message )
			: __( 'Stripe SCA authentication failed.', 'woocommerce-gateway-stripe' );
		$order->update_status( OrderStatus::FAILED, $status_message );
	}

/**
	 * Preserves the "wc-stripe-confirmation" URL parameter so the user can complete the SCA authentication after logging in.
	 *
	 * @param string   $pay_url Current computed checkout URL for the given order.
	 * @param WC_Order $order Order object.
	 *
	 * @return string Checkout URL for the given order.
	 */
	public function get_checkout_payment_url( $pay_url, $order ) {
		global $wp;
		if ( isset( $_GET['wc-stripe-confirmation'] ) && isset( $wp->query_vars['order-pay'] ) && $wp->query_vars['order-pay'] == $order->get_id() ) {
			$pay_url = add_query_arg( 'wc-stripe-confirmation', 1, $pay_url );
		}
		return esc_url_raw( $pay_url );
	}

/**
	 * Checks whether new keys are being entered when saving options.
	 */
	public function process_admin_options() {
		// Load all old values before the new settings get saved.
		$old_publishable_key      = $this->get_option( 'publishable_key' );
		$old_secret_key           = $this->get_option( 'secret_key' );
		$old_test_publishable_key = $this->get_option( 'test_publishable_key' );
		$old_test_secret_key      = $this->get_option( 'test_secret_key' );

parent::process_admin_options();

// Load all old values after the new settings have been saved.
		$new_publishable_key      = $this->get_option( 'publishable_key' );
		$new_secret_key           = $this->get_option( 'secret_key' );
		$new_test_publishable_key = $this->get_option( 'test_publishable_key' );
		$new_test_secret_key      = $this->get_option( 'test_secret_key' );

// Checks whether a value has transitioned from a non-empty value to a new one.
		$has_changed = function ( $old_value, $new_value ) {
			return ! empty( $old_value ) && ( $old_value !== $new_value );
		};

// Look for updates.
		if (
			$has_changed( $old_publishable_key, $new_publishable_key )
			|| $has_changed( $old_secret_key, $new_secret_key )
			|| $has_changed( $old_test_publishable_key, $new_test_publishable_key )
			|| $has_changed( $old_test_secret_key, $new_test_secret_key )
		) {
			update_option( 'wc_stripe_show_changed_keys_notice', 'yes' );
		}
	}

public function validate_publishable_key_field( $key, $value ) {
		$value = $this->validate_text_field( $key, $value );
		if ( ! empty( $value ) && ! preg_match( '/^pk_live_/', $value ) ) {
			return '';
		}
		return $value;
	}

public function validate_secret_key_field( $key, $value ) {
		$value = $this->validate_text_field( $key, $value );
		if ( ! empty( $value ) && ! preg_match( '/^[rs]k_live_/', $value ) ) {
			return '';
		}
		return $value;
	}

public function validate_test_publishable_key_field( $key, $value ) {
		$value = $this->validate_text_field( $key, $value );
		if ( ! empty( $value ) && ! preg_match( '/^pk_test_/', $value ) ) {
			return '';
		}
		return $value;
	}

public function validate_test_secret_key_field( $key, $value ) {
		$value = $this->validate_text_field( $key, $value );
		if ( ! empty( $value ) && ! preg_match( '/^[rs]k_test_/', $value ) ) {
			return '';
		}
		return $value;
	}

/**
	 * Checks whether the gateway is enabled.
	 *
	 * @return bool The result.
	 */
	public function is_enabled() {
		return 'yes' === $this->get_option( 'enabled' );
	}

/**
	 * Disables gateway.
	 */
	public function disable() {
		$this->update_option( 'enabled', 'no' );
	}

/**
	 * Enables gateway.
	 */
	public function enable() {
		$this->update_option( 'enabled', 'yes' );
	}

/**
	 * Returns whether test_mode is active for the gateway.
	 *
	 * @return boolean Test mode enabled if true, disabled if false.
	 */
	public function is_in_test_mode() {
		return 'yes' === $this->get_option( 'testmode' );
	}

/**
	 * Determines whether the "automatic" or "manual" capture setting is enabled.
	 *
	 * @return bool
	 */
	public function is_automatic_capture_enabled() {
		return empty( $this->get_option( 'capture' ) ) || $this->get_option( 'capture' ) === 'yes';
	}

/**
	 * Get required setting keys for setup.
	 *
	 * @return array Array of setting keys used for setup.
	 */
	public function get_required_settings_keys() {
		return [ 'publishable_key', 'secret_key' ];
	}

/**
	 * Get help text to display during quick setup.
	 *
	 * @return string
	 */
	public function get_setup_help_text() {
		return sprintf(
			/* translators: %1$s Link to Stripe API details, %2$s Link to register a Stripe account */
			__( 'Your API details can be obtained from your <a href="%1$s">Stripe account</a>. Don’t have a Stripe account? <a href="%2$s">Create one.</a>', 'woocommerce-gateway-stripe' ),
			'https://dashboard.stripe.com/apikeys',
			'https://dashboard.stripe.com/register'
		);
	}

/**
	 * Determine if the gateway still requires setup.
	 *
	 * @return bool
	 */
	public function needs_setup() {
		if ( $this->testmode ) {
			return ! $this->get_option( 'test_publishable_key' ) || ! $this->get_option( 'test_secret_key' );
		}
		return ! $this->get_option( 'publishable_key' ) || ! $this->get_option( 'secret_key' );
	}

/**
	 * Updates the test mode based on keys provided when setting up the gateway via onboarding.
	 *
	 * @return array
	 */
	public function update_onboarding_settings( $settings ) {
		if ( ! isset( $_SERVER['HTTP_REFERER'] ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
			return;
		}

parse_str( wp_parse_url( wp_unslash( $_SERVER['HTTP_REFERER'] ), PHP_URL_QUERY ), $queries ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

// Determine if merchant is onboarding (page='wc-admin' and task='payments').
		if (
			! isset( $queries ) ||
			! isset( $queries['page'] ) ||
			! isset( $queries['task'] ) ||
			'wc-admin' !== $queries['page'] ||
			'payments' !== $queries['task']
		) {
			return;
		}

if ( ! empty( $settings['publishable_key'] ) && ! empty( $settings['secret_key'] ) ) {
			if ( strpos( $settings['publishable_key'], 'pk_test_' ) === 0 || strpos( $settings['secret_key'], 'sk_test_' ) === 0 ) {
				$settings['test_publishable_key'] = $settings['publishable_key'];
				$settings['test_secret_key']      = $settings['secret_key'];
				unset( $settings['publishable_key'] );
				unset( $settings['secret_key'] );
				$settings['testmode'] = 'yes';
			} else {
				$settings['testmode'] = 'no';
			}
		}

return $settings;
	}

/**
	 * Validates a field value before updating.
	 *
	 * @param string $field_key the form field key.
	 * @param string $field_value the form field value.
	 *
	 * @return bool True if the value was updated, false otherwise.
	 */
	public function update_validated_option( $field_key, $field_value ) {
		$validated_field_value = $this->validate_field( $field_key, $field_value );
		return $this->update_option( $field_key, $validated_field_value );
	}

/**
	 * Retrieves validated field value.
	 *
	 * @param string $field_key the form field key.
	 * @param mixed $empty_value fallback value.
	 *
	 * @return string validated field value.
	 */
	public function get_validated_option( $field_key, $empty_value = null ) {
		$value = parent::get_option( $field_key, $empty_value );
		return $this->validate_field( $field_key, $value );
	}

/**
	 * Ensures validated field values.
	 *
	 * @param string $field_key the form field key.
	 * @param string $field_value the form field value.
	 *
	 * @return string validated field value.
	 */
	private function validate_field( $field_key, $field_value ) {
		if ( is_callable( [ $this, 'validate_' . $field_key . '_field' ] ) ) {
			return $this->{'validate_' . $field_key . '_field'}( $field_key, $field_value );
		}

if ( empty( $this->form_fields ) ) {
			$this->init_form_fields();
		}
		if ( array_key_exists( $field_key, $this->form_fields ) ) {
			$field_type = $this->form_fields[ $field_key ]['type'];

if ( is_callable( [ $this, 'validate_' . $field_type . '_field' ] ) ) {
				return $this->{'validate_' . $field_type . '_field'}( $field_key, $field_value );
			}
		}

return $this->validate_text_field( $field_key, $field_value );
	}

/**
	 * Returns whether Google Pay and Apple Pay (PRBs) are enabled,
	 * for the legacy checkout.
	 *
	 * WC_Stripe_UPE_Payment_Gateway overrides this method.
	 *
	 * @return bool
	 */
	public function is_payment_request_enabled() {
		return 'yes' === $this->get_option( 'payment_request' );
	}
}

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