/**
* Generate access token string - must have validated request token
* @return string
*/
public function accessToken()
{
$GLOBALS['log']->debug("OAUTH: accessToken");
if (empty($this->token) || $this->token->tstate != OAuthToken::REQUEST) {
return null;
}
$this->token->invalidate();
$token = OAuthToken::generate();
$token->setState(OAuthToken::ACCESS);
$token->setConsumer($this->consumer);
// transfer user data from request token
$token->copyAuthData($this->token);
$token->save();
return $token->queryString();
}
