<?php

class WPML_TM_AJAX {
	protected function is_valid_request( $action = '' ) {
		if ( ! $action ) {
			$action = array_key_exists( 'action', $_POST ) ? $_POST['action'] : '';
		}

		if ( ! array_key_exists( 'nonce', $_POST ) || ! $action
			 || ! wp_verify_nonce( sanitize_key( $_POST['nonce'] ), $action ) ) {

			wp_send_json_error(
				__(
					'You have attempted to submit data in a not legit way.',
					'wpml-translation-management'
				)
			);

			return false;
		}

		return true;
	}

}
