/**
* @param string $entity
* @param string $action
* @param array $params
* @throws GarbledMessageException
* @throws InvalidMessageException
* @return mixed
*/
public function call($entity, $action, $params)
{
$this->log->debug("Send API call: {entity}.{action} over {cxnId}", array('entity' => $entity, 'action' => $action, 'cxnId' => $this->cxnId));
$cxn = $this->cxnStore->getByCxnId($this->cxnId);
$req = new StdMessage($cxn['cxnId'], $cxn['secret'], array($entity, $action, $params, $this->appMeta['appCert']));
list($respHeaders, $respCiphertext, $respCode) = $this->http->send('POST', $cxn['siteUrl'], $req->encode(), array('Content-type' => Constants::MIME_TYPE));
$respMessage = $this->decode(array(StdMessage::NAME, GarbledMessage::NAME), $respCiphertext);
if ($respMessage instanceof GarbledMessage) {
throw new GarbledMessageException($respMessage);
} elseif ($respMessage instanceof StdMessage) {
if ($respMessage->getCxnId() != $cxn['cxnId']) {
// Tsk, tsk, Mallory!
throw new InvalidMessageException('Received response from incorrect connection.');
}
return $respMessage->getData();
} else {
throw new InvalidMessageException('Unrecognized message type.');
}
}
