public function set(ProviderInterface $request)
{
$timestamp = time();
$hmac = hash_hmac($this->_encoder, $this->_consumer . $request->getData() . $timestamp, $this->_private_key);
$_tmp = array('ts' => $timestamp, 'consumer' => $this->_consumer, 'token' => base64_encode($hmac));
$request->setUrl($request->getUrl() . '?' . http_build_query($_tmp));
}
public function set(ProviderInterface $request)
{
$header = array('Authorization' => 'Basic ' . $this->_auth);
$request->mergeHeaders($header);
}