File traits/wc-stripe-controller-traits.php

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<?php
defined( 'ABSPATH' ) || exit();

/**
 *
 * @since 3.1.0
 * @author Payment Plugins
 */
trait WC_Stripe_Controller_Cart_Trait {

    /**
     * Method that hooks in to the woocommerce_cart_ready_to_calc_shipping filter.
     * Purpose is to ensure
     * true is returned so shipping packages are calculated. Some 3rd party plugins and themes return false
     * if the current page is the cart because they don't want to display the shipping calculator.
     *
     * @since 3.1.0
     */
    public function add_ready_to_calc_shipping() {
        add_filter(
            'woocommerce_cart_ready_to_calc_shipping',
            function ( $show_shipping ) {
                return true;
            },
            1000
        );
    }

    /**
     * @param WP_Rest_Request $request
     *
     * @return array
     * @throws Exception
     * @since 3.1.8
     */
    private function get_shipping_method_from_request( $request ) {
        if ( ( $method = $request->get_param( 'shipping_method' ) ) ) {
            if ( ! preg_match( '/^(?P<index>[\w]+)\:(?P<id>.+)$/', $method, $shipping_method ) ) {
                throw new Exception( __( 'Invalid shipping method format. Expected: index:id', 'woo-stripe-payment' ) );
            }

            return array( $shipping_method['index'] => $shipping_method['id'] );
        }

        return array();
    }

    /**
     * @param array $address
     * @param WP_REST_Request $request
     */
    public function validate_shipping_address( $address, $request ) {
        if ( isset( $address['state'], $address['country'] ) ) {
            $address['state']   = wc_stripe_filter_address_state( $address['state'], $address['country'] );
            $request['address'] = $address;
        }

        return true;
    }
}

/**
 * Trait WC_Stripe_Controller_Frontend_Trait
 * @since 3.1.8
 */
trait WC_Stripe_Controller_Frontend_Trait {

    /**
     * @var WP_REST_Request
     * @since 3.2.5
     */
    private $request;

    protected function cart_includes() {
        include_once WC_ABSPATH . 'includes/wc-cart-functions.php';
        include_once WC_ABSPATH . 'includes/wc-notice-functions.php';
        wc_load_cart();
        // loads cart from session
        WC()->cart->get_cart();
        WC()->payment_gateways();
    }

    protected function frontend_includes() {
        WC()->frontend_includes();
        wc_load_cart();
        WC()->cart->get_cart();
        WC()->payment_gateways();
    }

    /**
     * @param $request
     *
     * @return bool|WP_Error
     * @since 3.2.2
     */
    public function validate_rest_nonce( $request ) {
        if ( ! isset( $request['wp_rest_nonce'] ) || ! wp_verify_nonce( $request['wp_rest_nonce'], 'wp_rest' ) ) {
            return new WP_Error( 'rest_cookie_invalid_nonce', __( 'Cookie nonce is invalid' ), array( 'status' => 403 ) );
        }

        return true;
    }
}

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