/**
* {@inheritdoc}
*/
public function build()
{
global $base_url;
$build = [];
c4a_connect_facebook_client_load();
$config = \Drupal::config('c4a_connect.fbconnectadmin_config');
$init_params = array('appId' => $config->get('application_id'), 'secret' => $config->get('application_secret'));
FacebookSession::setDefaultApplication($init_params['appId'], $init_params['secret']);
$helper = new FacebookRedirectLoginHelper($base_url . '/user/facebook-connect');
try {
if (isset($_SESSION['token'])) {
// Check if an access token has already been set.
$session = new FacebookSession($_SESSION['token']);
} else {
// Get access token from the code parameter in the URL.
$session = $helper->getSessionFromRedirect();
}
} catch (FacebookRequestException $ex) {
// When Facebook returns an error.
print_r($ex);
} catch (\Exception $ex) {
// When validation fails or other local issues.
print_r($ex);
}
if (isset($session)) {
// Retrieve & store the access token in a session.
$_SESSION['token'] = $session->getToken();
// $logoutURL = $helper->getLogoutUrl( $session, 'http://your-app-domain.com/user/logout' );
// Logged in
drupal_set_message('Successfully logged in!');
} else {
$permissions = array('email', 'user_birthday');
// Generate the login URL for Facebook authentication.
$loginUrl = $helper->getLoginUrl($permissions);
$build['facebook_login']['#markup'] = '<a href="' . $loginUrl . '">Login with facebook</a>';
}
return $build;
}
/**
* Connect.
*
* connect user with facebook and redirect to user page.
*/
public function connect()
{
c4a_connect_facebook_client_load();
$config = \Drupal::config('c4a_connect.fbconnectadmin_config');
$init_params = array('appId' => $config->get('application_id'), 'secret' => $config->get('application_secret'));
FacebookSession::setDefaultApplication($init_params['appId'], $init_params['secret']);
$helper = new FacebookRedirectLoginHelper('http://c4aportal.dev/user/facebook-connect');
try {
if (isset($_SESSION['token'])) {
// Check if an access token has already been set.
$session = new FacebookSession($_SESSION['token']);
} else {
// Get access token from the code parameter in the URL.
$session = $helper->getSessionFromRedirect();
}
} catch (FacebookRequestException $ex) {
// When Facebook returns an error.
print_r($ex);
} catch (\Exception $ex) {
// When validation fails or other local issues.
print_r($ex);
}
// see if we have a session
if (isset($session)) {
// set the PHP Session 'token' to the current session token
$_SESSION['token'] = $session->getToken();
$request = (new FacebookRequest($session, 'GET', '/me'))->execute();
$fbuser = $request->getGraphObject()->asArray();
if ($fbuser) {
if (isset($fbuser['email'])) {
$query = db_select('users_field_data', 'u');
// @TODO Use $this->connection() instead as suggested by Adam
$query->condition('u.mail', String::checkPlain($fbuser['email']));
$query->fields('u', array('uid'));
$query->range(0, 1);
$drupal_user_id = 0;
$result = $query->execute()->fetchAll(\PDO::FETCH_ASSOC);
if (count($result)) {
$drupal_user_id = $result[0]['uid'];
}
if ($drupal_user_id) {
$user_obj = User::load($drupal_user_id);
if ($user_obj->isActive()) {
user_login_finalize($user_obj);
drupal_set_message(t('You have been logged in with the username !username', array('!username' => $user_obj->getUsername())));
return $this->redirect('user.page');
} else {
drupal_set_message($this->t('You could not be logged in as your account is blocked. Contact site administrator.'), 'error');
return $this->redirect('user.page');
}
} else {
//create the drupal user
//This will generate a random password, you could set your own here
$fb_username = isset($fbuser['first_name']) ? $fbuser['first_name'] . '' . $fbuser['last_name'] : $fbuser['name'];
$drupal_username_generated = c4a_connect_unique_user_name(String::checkPlain($fb_username));
$password = user_password(8);
//set up the user fields
$fields = array('name' => $drupal_username_generated, 'mail' => String::checkPlain($fbuser['email']), 'pass' => $password, 'status' => 1, 'init' => 'email address', 'roles' => array(DRUPAL_AUTHENTICATED_RID => 'authenticated user'));
$pic_url = "https://graph.facebook.com/" . String::checkPlain($fbuser['id']) . "/picture?width=100&height=100";
$result = \Drupal::httpClient()->get($pic_url);
$file = 0;
if ($result->getStatusCode() == 200) {
//@TODO: get default path
$picture_directory = file_default_scheme() . '://' . 'pictures/';
file_prepare_directory($picture_directory, FILE_CREATE_DIRECTORY);
$file = file_save_data($result->getBody(), $picture_directory . '/' . String::checkPlain($fbuser['id']) . '.jpg', FILE_EXISTS_RENAME);
} else {
// Error handling.
}
if (is_object($file)) {
$fields['user_picture'] = $file->id();
}
//the first parameter is left blank so a new user is created
$account = entity_create('user', $fields);
$account->save();
// If you want to send the welcome email, use the following code
// Manually set the password so it appears in the e-mail.
$account->password = $fields['pass'];
// Send the e-mail through the user module.
//@TODO
//drupal_mail('user', 'register_no_approval_required', $account->mail, NULL, array('account' => $account), variable_get('site_mail', '*****@*****.**'));
drupal_set_message(t('You have been registered with the username !username', array('!username' => $account->getUsername())));
user_login_finalize($account);
return $this->redirect('user.page');
}
} else {
drupal_set_message(t('Though you have authorised the Facebook app to access your profile, you have revoked the permission to access email address. Please contact site administrator.'), 'error');
return $this->redirect('user.page');
}
} else {
if (!isset($_REQUEST['error'])) {
return $this->redirect('user.login');
}
}
}
$build = array('#type' => 'markup', '#markup' => t('test'));
return $build;
}
