/**
* Generate a signing key.
*
* @return string
*/
protected function key()
{
$key = rawurlencode($this->clientCredentials->getSecret()) . '&';
if ($this->credentials !== null) {
$key .= rawurlencode($this->credentials->getSecret());
}
return $key;
}
/**
* Generate the OAuth protocol header for requests other than temporary
* credentials, based on the URI, method, given credentials & body query
* string.
*
* @param string $method
* @param string $uri
* @param CredentialsInterface $credentials
* @param array $bodyParameters
* @return string
*/
protected function protocolHeader($method, $uri, CredentialsInterface $credentials, array $bodyParameters = array())
{
$parameters = array_merge($this->baseProtocolParameters(), array('oauth_token' => $credentials->getIdentifier()));
$this->signature->setCredentials($credentials);
$parameters['oauth_signature'] = $this->signature->sign($uri, array_merge($parameters, $bodyParameters), $method);
return $this->normalizeProtocolParameters($parameters);
}