File class-wc-stripe-redirect-handler.php

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<?php

defined( 'ABSPATH' ) || exit();

/**
 *
 * @author  PaymentPlugins
 * @package Stripe/Classes
 *
 */
class WC_Stripe_Redirect_Handler {

    public static function init() {
        add_action( 'wp', array( __CLASS__, 'local_payment_redirect' ) );
        add_action( 'get_header', array( __CLASS__, 'maybe_restore_cart' ), 100 );
    }

    /**
     * Check if this request is for a local payment redirect.
     */
    public static function local_payment_redirect() {
        if ( isset( $_GET['_stripe_local_payment'] ) ) {
            self::process_redirect();
        } elseif ( isset( $_GET['_stripe_voucher_payment'], $_GET['order-id'] ) ) {
            self::process_voucher_redirect();
        }
    }

    /**
     */
    public static function process_redirect() {
        if ( isset( $_GET['source'] ) ) {
            $result        = WC_Stripe_Gateway::load()->sources->retrieve( wc_clean( $_GET['source'] ) );
            $client_secret = isset( $_GET['client_secret'] ) ? $_GET['client_secret'] : '';
        } else {
            $result        = WC_Stripe_Gateway::load()->paymentIntents->retrieve( wc_clean( $_GET['payment_intent'] ) );
            $client_secret = isset( $_GET['payment_intent_client_secret'] ) ? $_GET['payment_intent_client_secret'] : '';
        }
        if ( is_wp_error( $result ) ) {
            wc_add_notice( sprintf( __( 'Error retrieving payment source. Reason: %s', 'woo-stripe-payment' ), $result->get_error_message() ), 'error' );
        } elseif ( ! hash_equals( $client_secret, $result->client_secret ) ) {
            wc_add_notice( __( 'This request is invalid. Please try again.', 'woo-stripe-payment' ), 'error' );
        } else {
            define( WC_Stripe_Constants::REDIRECT_HANDLER, true );
            $order_id = $result->metadata['order_id'];
            $order    = wc_get_order( wc_stripe_filter_order_id( $order_id, $result ) );

            /**
             *
             * @var WC_Payment_Gateway_Stripe_Local_Payment $payment_method
             */
            $payment_method = WC()->payment_gateways()->payment_gateways()[ $order->get_payment_method() ];
            $redirect       = $payment_method->get_return_url( $order );

            if ( in_array( $result->status, array( 'requires_action', 'pending' ) ) ) {
                if ( $result->status === 'pending' ) {
                    $order->update_status( 'on-hold' );
                } else {
                    return;
                }
            } elseif ( in_array( $result->status, array( 'requires_payment_method', 'failed' ) ) ) {
                wc_add_notice( __( 'Payment authorization failed. Please select another payment method.', 'woo-stripe-payment' ), 'error' );
                if ( $result instanceof \Stripe\PaymentIntent ) {
                    $order->update_meta_data( WC_Stripe_Constants::PAYMENT_INTENT, $result->jsonSerialize() );
                } else {
                    $order->delete_meta_data( WC_Stripe_Constants::SOURCE_ID );
                }
                $order->update_status( 'failed', __( 'Payment authorization failed.', 'woo-stripe-payment' ) );

                return;
            } elseif ( 'chargeable' === $result->status ) {
                if ( ! $payment_method->has_order_lock( $order ) && ! $order->get_transaction_id() ) {
                    $payment_method->set_order_lock( $order );
                    $payment_method->set_new_source_token( $result->id );
                    $result = $payment_method->process_payment( $order_id );
                    // we don't release the order lock so there aren't conflicts with the source.chargeable webhook
                    if ( $result['result'] === 'success' ) {
                        $redirect = $result['redirect'];
                    }
                }
            } elseif ( in_array( $result->status, array( 'succeeded', 'requires_capture' ) ) ) {
                if ( ! $payment_method->has_order_lock( $order ) ) {
                    $payment_method->set_order_lock( $order );
                    $result = $payment_method->process_payment( $order_id );
                    if ( $result['result'] === 'success' ) {
                        $redirect = $result['redirect'];
                    }
                }
            }
            wp_safe_redirect( $redirect );
            exit();
        }
    }

    public static function maybe_restore_cart() {
        global $wp;
        if ( isset( $wp->query_vars['order-received'] ) && isset( $_GET['wc_stripe_product_checkout'] ) ) {
            add_action( 'woocommerce_cart_emptied', 'wc_stripe_restore_cart_after_product_checkout' );
        }
    }

    private static function process_voucher_redirect() {
        $payment_method = wc_clean( $_GET['_stripe_voucher_payment'] );
        /**
         * @var \WC_Payment_Gateway_Stripe $payment_method
         */
        $payment_method = WC()->payment_gateways()->payment_gateways()[ $payment_method ];
        $order          = wc_get_order( absint( wc_clean( $_GET['order-id'] ) ) );
        $order_key      = isset( $_GET['order-key'] ) ? wc_clean( wp_unslash( $_GET['order-key'] ) ) : '';
        if ( $order && hash_equals( $order->get_order_key(), $order_key ) ) {
            if ( method_exists( $payment_method, 'process_voucher_order_status' ) ) {
                $payment_method->process_voucher_order_status( $order );
                wp_safe_redirect( $payment_method->get_return_url( $order ) );
                exit();
            }
        }
    }

}

WC_Stripe_Redirect_Handler::init();

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