/**
* @return \Facebook\Entities\AccessToken
* @throws Exception\CodeWasNotProvided
*/
public function getAccessToken()
{
if (!($code = $this->getCode())) {
throw new Exception\CodeWasNotProvided();
}
$accessToken = \Facebook\Entities\AccessToken::requestAccessToken(array('code' => $code, 'redirect_uri' => $this->getSettings()->getRedirect()));
if ($accessToken) {
return (string) $accessToken;
}
return false;
}
/**
* @param array $oAuthConfig
*/
public function __construct($oAuthConfig)
{
FacebookSession::setDefaultApplication($oAuthConfig['facebook']['app_id'], $oAuthConfig['facebook']['app_secret']);
$accessToken = AccessToken::requestAccessToken(array('grant_type' => 'client_credentials'));
$this->api = new FacebookSession($accessToken);
}
/**
* Handles a response from Facebook, including a CSRF check, and returns a
* FacebookSession.
*
* @return FacebookSession|null
*/
public function getSessionFromRedirect()
{
if ($this->isValidRedirect()) {
$params = array('redirect_uri' => $this->getFilteredUri($this->getCurrentUri()), 'code' => $this->getCode());
return new FacebookSession(AccessToken::requestAccessToken($params, $this->appId, $this->appSecret));
}
return null;
}
