/**
* Generate the OAuth protocol header for a temporary credentials
* request, based on the URI.
*
* @param string $uri
* @return string
*/
protected function temporaryCredentialsProtocolHeader($uri)
{
$parameters = array_merge($this->baseProtocolParameters(), array('oauth_callback' => $this->clientCredentials->getCallbackUri()));
$parameters['oauth_signature'] = $this->signature->sign($uri, $parameters, 'POST');
return $this->normalizeProtocolParameters($parameters);
}
