/**
* Gets a FacebookSession from the cookies/params set by the Facebook
* JavaScript SDK.
*
* @return FacebookSession|null
*/
public function getSession()
{
if ($signedRequest = $this->getSignedRequest()) {
return FacebookSession::newSessionFromSignedRequest($signedRequest);
}
return null;
}
/**
* Gets a FacebookSession from the cookies/params set by the Facebook
* JavaScript SDK.
*
* @return FacebookSession|null
*/
public function getSession()
{
$cookieName = 'fbsr_' . $this->appId;
if (isset($_COOKIE[$cookieName])) {
return FacebookSession::newSessionFromSignedRequest($_COOKIE[$cookieName]);
}
return null;
}
/**
* Gets a FacebookSession from the parameters passed by Facebook to a
* Canvas POST request.
*
* @return FacebookSession|null
*/
public function getSession()
{
if ($signedRequest = $this->getSignedRequest()) {
try {
return FacebookSession::newSessionFromSignedRequest($signedRequest);
} catch (FacebookSDKException $ex) {
// Signed request is valid but user is not logged in.
if ($ex->getCode() == 603) {
return null;
}
throw $ex;
}
}
return null;
}
/**
* Gets a FacebookSession from the parameters passed by Facebook to a
* Canvas POST request.
*
* @return FacebookSession
*/
public function getSession()
{
/**
* v2.0 apps use GET for Canvas signed requests.
*/
if (isset($_GET['signed_request'])) {
return FacebookSession::newSessionFromSignedRequest($_GET['signed_request']);
}
/**
* v1.0 apps use POST for Canvas signed requests, will eventually be
* deprecated.
*/
if (isset($_POST['signed_request'])) {
return FacebookSession::newSessionFromSignedRequest($_POST['signed_request']);
}
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());
$response = (new FacebookRequest(FacebookSession::newAppSession($this->appId, $this->appSecret), 'GET', '/oauth/access_token', $params))->execute()->getResponse();
if (isset($response['access_token'])) {
return new FacebookSession($response['access_token']);
}
}
return null;
}
/**
* FacebookRequest - Returns a new request using the given session. optional
* parameters hash will be sent with the request. This object is
* immutable.
*
* @param FacebookSession $session
* @param string $method
* @param string $path
* @param array|null $parameters
*
* @return FacebookRequest
*/
public function __construct($session, $method, $path, $parameters = null, $version = null)
{
$this->session = $session;
$this->method = $method;
$this->path = $path;
if ($version) {
$this->version = $version;
} else {
$this->version = static::GRAPH_API_VERSION;
}
$params = $parameters ?: array();
if ($session) {
$params["access_token"] = $session->getToken();
}
$this->params = $params;
return $this;
}
/**
* Handles a response from Facebook, including a CSRF check, and returns a
* FacebookSession.
*
* @return FacebookSession|null
*/
public function getSessionFromRedirect()
{
if ($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;
}
public function fb_login()
{
echo "sdxcxcfsdf";
echo "i am here";
$this->layout = 'ajax';
FacebookSession::setDefaultApplication('195891030745689', '130d8f7bcae67a9a71d2c1c372896814');
$helper = new FacebookRedirectLoginHelper(FACEBOOK_REDIRECT_URI);
echo "=======";
$session = $helper->getSessionFromRedirect();
if (isset($_SESSION['token'])) {
pr($_SESSION);
echo "<<<<<<>>>>>>";
$session = new FacebookSession($_SESSION['token']);
try {
echo "XXXXXXXXXX";
$session->validate(FACEBOOK_APP_ID, FACEBOOK_APP_SECRET);
} catch (FacebookAuthorizationException $e) {
echo $e->getMessage();
}
}
$data = array();
$fb_data = array();
if (isset($session)) {
$_SESSION['token'] = $session->getToken();
$request = new FacebookRequest($session, 'GET', '/me');
$response = $request->execute();
$graph = $response->getGraphObject(GraphUser::className());
$fb_data = $graph->asArray();
$id = $graph->getId();
$image = "https://graph.facebook.com/" . $id . "/picture?width=100";
if (!empty($fb_data)) {
$result = $this->User->findByEmail($fb_data['email']);
if (!empty($result)) {
if ($this->Auth->login($result['User'])) {
$this->Session->setFlash(FACEBOOK_LOGIN_SUCCESS, 'default', array('class' => 'message success'), 'success');
//$this->redirect(BASE_PATH);
} else {
$this->Session->setFlash(FACEBOOK_LOGIN_FAILURE, 'default', array('class' => 'message error'), 'error');
//$this->redirect(BASE_PATH.'login');
}
} else {
$data['email'] = $fb_data['email'];
$data['first_name'] = $fb_data['first_name'];
$data['social_id'] = $fb_data['id'];
$data['picture'] = $image;
$data['uuid'] = String::uuid();
$this->User->save($data);
if ($this->User->save($data)) {
$data['id'] = $this->User->getLastInsertID();
if ($this->Auth->login($data)) {
$this->Session->setFlash(FACEBOOK_LOGIN_SUCCESS, 'default', array('class' => 'message success'), 'success');
//$this->redirect(BASE_PATH);
} else {
$this->Session->setFlash(FACEBOOK_LOGIN_FAILURE, 'default', array('class' => 'message error'), 'error');
//$this->redirect(BASE_PATH.'index');
}
} else {
$this->Session->setFlash(FACEBOOK_LOGIN_FAILURE, 'default', array('class' => 'message error'), 'error');
//$this->redirect(BASE_PATH.'index');
}
}
} else {
$this->Session->setFlash(FACEBOOK_LOGIN_FAILURE, 'default', array('class' => 'message error'), 'error');
//$this->redirect(BASE_PATH.'index');
}
}
}
/**
* Generate and return the appsecret_proof value for an access_token
*
* @param string $token
*
* @return string
*/
public function getAppSecretProof($token)
{
return hash_hmac('sha256', $token, FacebookSession::_getTargetAppSecret());
}
<?php //Namespace for facebook namespace Facebook; include DIR_LIB . "Facebook/autoload.php"; FacebookSession::setDefaultApplication(APP_ID, APP_SECRET);
/**
* Parses a signed request.
*
* @param string $signedRequest
*
* @return array
*
* @throws FacebookSDKException
*/
private function parseSignedRequest($signedRequest)
{
if (strpos($signedRequest, '.') !== false) {
list($encodedSig, $encodedData) = explode('.', $signedRequest, 2);
$sig = FacebookSession::_base64UrlDecode($encodedSig);
$data = json_decode(FacebookSession::_base64UrlDecode($encodedData), true);
if (isset($data['algorithm']) && $data['algorithm'] === 'HMAC-SHA256') {
$expectedSig = hash_hmac('sha256', $encodedData, FacebookSession::_getTargetAppSecret(), true);
if (strlen($sig) !== strlen($expectedSig)) {
throw new FacebookSDKException('Invalid signature on signed request.', 602);
}
$validate = 0;
for ($i = 0; $i < strlen($sig); $i++) {
$validate |= ord($expectedSig[$i]) ^ ord($sig[$i]);
}
if ($validate !== 0) {
throw new FacebookSDKException('Invalid signature on signed request.', 602);
}
return $data;
} else {
throw new FacebookSDKException('Invalid signed request, using wrong algorithm.', 605);
}
} else {
throw new FacebookSDKException('Malformed signed request.', 606);
}
}
/**
* setDefaultApplication - Will set the static default appId and appSecret
* to be used for API requests.
*
* @param string $appId Application ID to use by default
* @param string $appSecret App secret value to use by default
*/
public static function setDefaultApplication($appId, $appSecret)
{
self::$defaultAppId = $appId;
self::$defaultAppSecret = $appSecret;
}
/**
* 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;
}
</script>
<body>
<?php
//define('FACEBOOK_SDK_V4_SRC_DIR', 'src/Facebook/');
require 'autoload.php';
require_once 'src/Facebook/FacebookSession.php';
FacebookSession::setDefaultApplication('1570515483215478', '3b396bc3f2f9839c280fedabca2cfe25');
?>
<!-- BEGIN wrapper -->
<div id="wrapper">
<!-- BEGIN header -->
<div id="header">
<ul>
<li></li>
</ul>
<p> </p>
<table width="930" border="0" align="center" cellspacing="1">
<tr>
protected function action()
{
//Init app with app id and secret
FacebookSession::setDefaultApplication('416201525206070', 'db946f783550299dcf77faf9f09a8f41');
//Login helper with redirect_uri
$helper = new FacebookRedirectLoginHelper('http://www.ituk.it/cinderella/fblogin');
try {
$session = $helper->getSessionFromRedirect();
} catch (FacebookRequestException $ex) {
//Facebook returns an error
Session::setObj(Session::SYSMSG, 'Errore durante l\'autenticazione con Facebook, per favore riprovare più tardi.');
$this->redirect = 'message';
exit;
} catch (Exception $ex) {
//Validation fails or other local issues
Session::setObj(Session::SYSMSG, 'Errore durante l\'autenticazione con Facebook, per favore riprovare più tardi.');
$this->redirect = 'message';
exit;
}
//See if we have a session
if (isset($session)) {
//Graph api request for user data
$request = new FacebookRequest($session, 'GET', '/me');
$response = $request->execute();
//Get response
$graphObject = $response->getGraphObject();
$fbid = $graphObject->getProperty('id');
// To Get Facebook ID
$fbfullname = $graphObject->getProperty('name');
// To Get Facebook full name
$fbfirstname = $graphObject->getProperty('first_name');
// To Get Facebook first name
$fblastname = $graphObject->getProperty('last_name');
// To Get Facebook last name
$fbemail = $graphObject->getProperty('email');
// To Get Facebook email ID
//Check if already logged in with Facebook
//Create new Facebook user
$fb_user = new UtenteFb($fbid);
if (!$fb_user->hereIam()) {
//Save credentials as regular user
$objDateTime = new DateTime('NOW');
$fakepassw = md5($objDateTime->format('c'));
$fakeemail = $fakepassw . '@facebook.com';
$fb_user->setNome($fbfirstname);
$fb_user->setCognome($fblastname);
$fb_user->setEmail(isset($fbemail) && strlen($fbemail) > 0 ? $fbemail : $fakeemail);
$fb_user->setUsername('FacebookUser');
$fb_user->set_password($fakepassw);
$fb_user->save();
//Save as Facebook user
$fb_user->setFbId($fbid);
$fb_user->setAvatarUrl($fb_user->getAvatarUrl());
//Save Facebook credentials
$fb_user->saveAsFbUser();
}
//Login user
Session::setObj(Session::UTENTE, $fb_user);
Session::setObj(Session::SYSMSG, 'Benvenuto ' . $fb_user->getNome() . ' ' . $fb_user->getCognome());
$this->redirect = 'message';
} else {
//Try Facebook Authentication
$loginUrl = $helper->getLoginUrl();
$this->redirect = $loginUrl;
}
}
