/**
* Creates a JavaScript Login Helper for the given application id, or the
* default if not provided.
*
* @param string $appId
*
* @throws FacebookSDKException
*/
public function __construct($appId = null)
{
$this->appId = FacebookSession::_getTargetAppId($appId);
if (!$this->appId) {
throw new FacebookSDKException('You must provide or set a default application id.');
}
}
/**
* Handles a response from Facebook, including a CSRF check, and returns a
* FacebookSession.
*
* @return FacebookSession|null
*/
public function getSessionFromRedirect()
{
$this->loadState();
if ($this->isValidRedirect()) {
$params = array('client_id' => FacebookSession::_getTargetAppId($this->appId), 'redirect_uri' => $this->redirectUrl, 'client_secret' => FacebookSession::_getTargetAppSecret($this->appSecret), 'code' => $this->getCode());
$response = (new FacebookRequest(FacebookSession::newAppSession($this->appId, $this->appSecret), 'GET', '/oauth/access_token', $params))->execute()->getResponse();
if (isset($response['access_token'])) {
return new FacebookSession($response['access_token']);
}
}
return null;
}
/**
* Handles a response from Facebook, including a CSRF check, and returns a
* FacebookSession.
*
* @return FacebookSession|null
*/
public function getSessionFromRedirect()
{
if ($this->isValidRedirect()) {
$params = array('client_id' => FacebookSession::_getTargetAppId($this->appId), 'redirect_uri' => $this->redirectUrl, 'client_secret' => FacebookSession::_getTargetAppSecret($this->appSecret), 'code' => $this->getCode());
$response = (new FacebookRequest(FacebookSession::newAppSession($this->appId, $this->appSecret), 'GET', '/oauth/access_token', $params))->execute()->getResponse();
// Graph v2.3 and greater return objects on the /oauth/access_token endpoint
$accessToken = null;
if (is_object($response) && isset($response->access_token)) {
$accessToken = $response->access_token;
} elseif (is_array($response) && isset($response['access_token'])) {
$accessToken = $response['access_token'];
}
if (isset($accessToken)) {
return new FacebookSession($accessToken);
}
}
return null;
}
/**
* Handles a response from Facebook, including a CSRF check, and returns a
* FacebookSession.
*
* @return FacebookSession|null
*/
public function getSessionFromRedirect()
{
$this->loadState();
if ($this->isValidRedirect()) {
$params = array('client_id' => FacebookSession::_getTargetAppId($this->appId), 'redirect_uri' => $this->redirectUrl, 'client_secret' => FacebookSession::_getTargetAppSecret($this->appSecret), 'code' => $this->getCode());
$fbRequest = new FacebookRequest(FacebookSession::newAppSession($this->appId, $this->appSecret), 'GET', '/oauth/access_token', $params);
$response = $fbRequest->execute()->getResponse();
// echo __METHOD__ . __LINE__ . " Facebook Authentication response <br><pre>";var_dump($response);echo "</pre><br>";
if (isset($response['access_token'])) {
return new FacebookSession($response['access_token']);
}
}
return null;
}
