woocommerce / woocommerce-gateway-stripe

	 * @return WC_Order

	 */

	protected function get_order_from_request() {

		if ( ! isset( $_GET['nonce'] ) || ! wp_verify_nonce( sanitize_key( $_GET['nonce'] ), 'wc_stripe_confirm_pi' ) ) {

			throw new WC_Stripe_Exception( 'missing-nonce', __( 'CSRF verification failed.', 'woocommerce-gateway-stripe' ) );

		}

		// Load the order ID.

		$order_id = null;

			$source_id = wc_clean( $_POST['stripe_source_id'] );

			// 1. Verify.

			if (

				! wp_verify_nonce( sanitize_key( $_POST['nonce'] ), 'wc_stripe_create_si' )

				|| ! preg_match( '/^src_.*$/', $source_id )

			) {

				throw new Exception( __( 'Unable to verify your request. Please reload the page and try again.', 'woocommerce-gateway-stripe' ) );

			}

			// 2. Load the customer ID (and create a customer eventually).