/**
  * Decodes access token object from array
  *
  * @param array $data
  *
  * @return Paysera_WalletApi_Entity_MacAccessToken
  *
  * @throws InvalidArgumentException
  */
 public function decodeAccessToken($data)
 {
     if ($data['token_type'] !== 'mac' || $data['mac_algorithm'] !== 'hmac-sha-256') {
         throw new InvalidArgumentException('Only mac tokens with hmac-sha-256 algorithm are supported');
     }
     return Paysera_WalletApi_Entity_MacAccessToken::create()->setExpiresAt(time() + $data['expires_in'])->setMacId($data['access_token'])->setMacKey($data['mac_key'])->setRefreshToken(isset($data['refresh_token']) ? $data['refresh_token'] : null);
 }
 /**
  * @param Paysera_WalletApi_Event_ResponseExceptionEvent $event
  */
 public function onResponseException(Paysera_WalletApi_Event_ResponseExceptionEvent $event)
 {
     if ($event->getException()->getErrorCode() === 'invalid_grant') {
         $options = $event->getOptions();
         if (!isset($options['oauth_access_token_retry'])) {
             $options['oauth_access_token_retry'] = true;
             $event->setOptions($options);
             $refreshToken = $this->token->getRefreshToken();
             if ($refreshToken !== null) {
                 $newToken = $this->oauthClient->refreshAccessToken($refreshToken);
                 $this->token = $newToken;
                 $this->signer = new Paysera_WalletApi_Auth_Mac($newToken->getMacId(), $newToken->getMacKey());
                 $event->stopPropagation()->setRepeatRequest(true);
                 $event->getDispatcher()->dispatch(Paysera_WalletApi_Events::AFTER_OAUTH_TOKEN_REFRESH, new Paysera_WalletApi_Event_MacAccessTokenEvent($newToken));
             }
         }
     }
 }