public function fbReceiveAuthorizationCodeAction(Request $request)
{
$em = $this->getDoctrine()->getManager();
$userService = $this->get('user_service');
$userSession = $this->get('user_session');
$src = $this->get('session')->get('fb_auth_src');
$logger = $this->get('logger');
$logger->info("FBAUTH: FB auth redirect");
$helper = $this->getFBLoginHelper();
try {
$session = $helper->getSessionFromRedirect();
if (!$session) {
// Redirect to the signup page
$logger->info("FBAUTH: FB auth denied by the user");
return $this->redirect($this->generateUrl('signup'));
}
$fbRequest = new FacebookRequest($session, 'GET', '/me');
$fbUser = $fbRequest->execute()->getGraphObject(GraphUser::className());
$email = $fbUser->getEmail();
if (!$email) {
// TODO : Render error page
$logger->error("FBAUTH: Email missing");
echo "Email is required. Please revoke Class Central App from your <a href='https://www.facebook.com/settings?tab=applications'>Facebook settings page</a> and then signup again.";
exit;
}
$name = $fbUser->getName();
$fbId = $fbUser->getId();
// Check if the fb users has logged in before using the FB Id
$usersFB = $em->getRepository('ClassCentralSiteBundle:UserFb')->findOneBy(array('fbId' => $fbId));
if ($usersFB) {
$user = $usersFB->getUser();
} else {
// Check if an account with this email address exist. If it does then merge
// these accounts
$user = $em->getRepository('ClassCentralSiteBundle:User')->findOneBy(array('email' => $email));
}
if ($user) {
$userService->login($user);
$userSession->setPasswordLessLogin(true);
// Check whether the user has fb details
$ufb = $user->getFb();
if ($ufb) {
$logger->info("FBAUTH: FB user exists");
} else {
$logger->info("FBAUTH: Email exists but UserFb table is empty");
// Create a FB info
$ufb = new UserFb();
$ufb->setFbEmail($email);
$ufb->setFbId($fbId);
$ufb->setUser($user);
}
$em->persist($ufb);
$em->flush();
$userSession->login($user, true);
$redirectUrl = $this->getLastAccessedPage($request->getSession()) ? $this->getLastAccessedPage($request->getSession()) : $this->generateUrl('user_library');
$logger->info(' LOGIN REDIRECT URL ' . $redirectUrl);
return $this->redirect($redirectUrl);
} else {
$logger->info("FBAUTH: New user");
$newsletterService = $this->get('newsletter');
$newsletter = $em->getRepository('ClassCentralSiteBundle:Newsletter')->findOneByCode('mooc-report');
// Create a new account
$user = new User();
$user->setEmail($email);
$user->setName($name);
$user->setPassword($this->getRandomPassword());
// Set a random password
$user->setIsverified(true);
$user->setSignupType(User::SIGNUP_TYPE_FACEBOOK);
$redirectUrl = $userService->createUser($user, false, empty($src) ? 'facebook' : $src);
$userSession->setPasswordLessLogin(true);
// Set the variable to show that the user didn't use a password to login
// Create a FB info
$ufb = new UserFb();
$ufb->setFbEmail($email);
$ufb->setFbId($fbId);
$ufb->setUser($user);
$em->persist($ufb);
$em->flush();
$this->uploadFacebookProfilePic($user, $fbId);
// Subscribe to newsletter
$subscribed = $newsletterService->subscribeUser($newsletter, $user);
$logger->info("preferences subscribed : email newsletter subscription", array('email' => $user->getId(), 'newsletter' => $newsletter->getCode(), 'subscribed' => $subscribed));
return $this->redirect($redirectUrl);
}
} catch (FacebookRequestException $e) {
$logger->info("FBAUTH: FB Auth error - " . $e->getMessage());
return null;
} catch (\Exception $e) {
$logger->info("FBAUTH: Api exception" . $e->getMessage());
return null;
}
}