/**
* Exchange the request token for an access token.
*
* $token = $provider->access_token($consumer, $token);
*
* @param Consumer consumer
* @param Token_Request token
* @param array additional request parameters
* @return Token_Access
*/
public function access_token(OAuth_Consumer $consumer, OAuth_Token_Request $token, array $params = NULL)
{
// Create a new GET request for a request token with the required parameters
$request = OAuth_Request::forge('access', 'GET', $this->url_access_token(), array('oauth_consumer_key' => $consumer->key, 'oauth_token' => $token->access_token, 'oauth_verifier' => $token->verifier));
if ($params) {
// Load user parameters
$request->params($params);
}
// Sign the request using only the consumer, no token is available yet
$request->sign($this->signature, $consumer, $token);
// Create a response from the request
$response = $request->execute();
// Store this token somewhere useful
return OAuth_Token::forge('access', array('access_token' => $response->param('oauth_token'), 'secret' => $response->param('oauth_token_secret'), 'uid' => $response->param($this->uid_key) ?: get_instance()->input->get_post($this->uid_key)));
}
