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<?php
/**
* Message
*
* @author Pronamic <[email protected]>
* @copyright 2005-2022 Pronamic
* @license GPL-3.0-or-later
* @package Pronamic\WordPress\Pay\Gateways\OmniKassa2
*/
namespace Pronamic\WordPress\Pay\Gateways\OmniKassa2;
* @author Remco Tolsma
* @version 2.2.4
* @since 2.0.2
abstract class Message implements Signable {
* Signature.
* @var string|null
private $signature;
* Get signature.
* @return string|null
public function get_signature() {
return $this->signature;
}
* Set signature.
* @param string|null $signature Signature.
* @return void
protected function set_signature( $signature ) {
$this->signature = $signature;
* Sign this message with specified signing key.
* @param string $signing_key Signing key.
public function sign( $signing_key ) {
$signature = Security::get_signature( $this, $signing_key );
$this->set_signature( $signature );
* Check if this message is valid.
* @return bool True if valid, false otherwise.
public function is_valid( $signing_key ) {
$signature_a = Security::get_signature( $this, $signing_key );
if ( empty( $signature_a ) ) {
return false;
$signature_b = $this->get_signature();
if ( empty( $signature_b ) ) {
return Security::validate_signature( $signature_a, $signature_b );