/**
* Called from the /user/postsave hook with the one argument of the UserModel.
*
* @param \UserModel $user
* @return bool
*/
public static function ForceSessionSync(\UserModel $user){
// BEFORE I do this, cleanup any old sessions!
Session::CleanupExpired();
$me = (\Core\user() && \Core\user()->get('id') == $user->get('id'));
foreach(\SessionModel::Find(['user_id = ' . $user->get('id')]) as $sess){
/** @var \SessionModel $sess */
if($me && $sess->get('session_id') == session_id()){
// It's this current session!
// Reload this user object :)
// Remember, the external data cannot be set from within the same session!
Session::SetUser($user);
continue;
}
$dat = $sess->getExternalData();
$dat['user_forcesync'] = true;
$sess->setExternalData($dat);
$sess->save();
}
return true;
}
/**
* Page to enable Facebook logins for user accounts.
*
* @return int|null|string
*/
public function enable()
{
$request = $this->getPageRequest();
$auths = \Core\User\Helper::GetEnabledAuthDrivers();
if (!isset($auths['facebook'])) {
// Facebook isn't enabled, simply redirect to the home page.
\Core\redirect('/');
}
if (!FACEBOOK_APP_ID) {
\Core\redirect('/');
}
if (!FACEBOOK_APP_SECRET) {
\Core\redirect('/');
}
// If it was a POST, then it should be the first page.
if ($request->isPost()) {
$facebook = new Facebook(['appId' => FACEBOOK_APP_ID, 'secret' => FACEBOOK_APP_SECRET]);
// Did the user submit the facebook login request?
if (isset($_POST['login-method']) && $_POST['login-method'] == 'facebook' && $_POST['access-token']) {
try {
$facebook->setAccessToken($_POST['access-token']);
/** @var int $fbid The user ID from facebook */
$fbid = $facebook->getUser();
/** @var array $user_profile The array of user data from Facebook */
$user_profile = $facebook->api('/me');
} catch (Exception $e) {
\Core\set_message($e->getMessage(), 'error');
\Core\go_back();
return null;
}
// If the user is logged in, then the verification logic is slightly different.
if (\Core\user()->exists()) {
// Logged in users, the email must match.
if (\Core\user()->get('email') != $user_profile['email']) {
\Core\set_message('Your Facebook email is ' . $user_profile['email'] . ', which does not match your account email! Unable to link accounts.', 'error');
\Core\go_back();
return null;
}
$user = \Core\user();
} else {
/** @var \UserModel|null $user */
$user = UserModel::Find(['email' => $user_profile['email']], 1);
if (!$user) {
\Core\set_message('No local account found with the email ' . $user_profile['email'] . ', please <a href="' . \Core\resolve_link('/user/register') . '"create an account</a> instead.', 'error');
\Core\go_back();
return null;
}
}
// Send an email with a nonce link that will do the actual activation.
// This is a security feature so just anyone can't link another user's account.
$nonce = NonceModel::Generate('20 minutes', null, ['user' => $user, 'access_token' => $_POST['access-token']]);
$email = new Email();
$email->to($user->get('email'));
$email->setSubject('Facebook Activation Request');
$email->templatename = 'emails/facebook/enable_confirmation.tpl';
$email->assign('link', \Core\resolve_link('/facebook/enable/' . $nonce));
if ($email->send()) {
\Core\set_message('An email has been sent to your account with a link enclosed. Please click on that to complete activation within twenty minutes.', 'success');
\Core\go_back();
return null;
} else {
\Core\set_message('Unable to send a confirmation email, please try again later.', 'error');
\Core\go_back();
return null;
}
}
}
// If there is a nonce enclosed, then it should be the second confirmation page.
// This is the one that actually performs the action.
if ($request->getParameter(0)) {
/** @var NonceModel $nonce */
$nonce = NonceModel::Construct($request->getParameter(0));
if (!$nonce->isValid()) {
\Core\set_message('Invalid key requested.', 'error');
\Core\redirect('/');
return null;
}
$nonce->decryptData();
$data = $nonce->get('data');
/** @var UserModel $user */
$user = $data['user'];
try {
$facebook = new Facebook(['appId' => FACEBOOK_APP_ID, 'secret' => FACEBOOK_APP_SECRET]);
$facebook->setAccessToken($data['access_token']);
$facebook->getUser();
$facebook->api('/me');
} catch (Exception $e) {
\Core\set_message($e->getMessage(), 'error');
\Core\redirect('/');
return null;
}
$user->enableAuthDriver('facebook');
/** @var \Facebook\UserAuth $auth */
$auth = $user->getAuthDriver('facebook');
$auth->syncUser($data['access_token']);
\Core\set_message('Linked Facebook successfully!', 'success');
// And log the user in!
if (!\Core\user()->exists()) {
$user->set('last_login', \CoreDateTime::Now('U', \Time::TIMEZONE_GMT));
$user->save();
\Core\Session::SetUser($user);
}
\Core\redirect('/');
return null;
}
}
/**
* Form Handler for logging in.
*
* @static
*
* @param \Form $form
*
* @return bool|null|string
*/
public static function LoginHandler(\Form $form){
/** @var \FormElement $e */
$e = $form->getElement('email');
/** @var \FormElement $p */
$p = $form->getElement('pass');
/** @var \UserModel $u */
$u = \UserModel::Find(array('email' => $e->get('value')), 1);
if(!$u){
// Log this as a login attempt!
$logmsg = 'Failed Login. Email not registered' . "\n" . 'Email: ' . $e->get('value') . "\n";
\SystemLogModel::LogSecurityEvent('/user/login', $logmsg);
$e->setError('t:MESSAGE_ERROR_USER_LOGIN_EMAIL_NOT_FOUND');
return false;
}
if($u->get('active') == 0){
// The model provides a quick cut-off for active/inactive users.
// This is the control managed with in the admin.
$logmsg = 'Failed Login. User tried to login before account activation' . "\n" . 'User: '******'email') . "\n";
\SystemLogModel::LogSecurityEvent('/user/login', $logmsg, null, $u->get('id'));
$e->setError('t:MESSAGE_ERROR_USER_LOGIN_ACCOUNT_NOT_ACTIVE');
return false;
}
elseif($u->get('active') == -1){
// The model provides a quick cut-off for active/inactive users.
// This is the control managed with in the admin.
$logmsg = 'Failed Login. User tried to login after account deactivation.' . "\n" . 'User: '******'email') . "\n";
\SystemLogModel::LogSecurityEvent('/user/login', $logmsg, null, $u->get('id'));
$e->setError('t:MESSAGE_ERROR_USER_LOGIN_ACCOUNT_DEACTIVATED');
return false;
}
try{
/** @var \Core\User\AuthDrivers\datastore $auth */
$auth = $u->getAuthDriver('datastore');
}
catch(Exception $e){
$e->setError('t:MESSAGE_ERROR_USER_LOGIN_PASSWORD_AUTH_DISABLED');
return false;
}
// This is a special case if the password isn't set yet.
// It can happen with imported users or if a password is invalidated.
if($u->get('password') == ''){
// Use the Nonce system to generate a one-time key with this user's data.
$nonce = \NonceModel::Generate(
'20 minutes',
['type' => 'password-reset', 'user' => $u->get('id')]
);
$link = '/datastoreauth/forgotpassword?e=' . urlencode($u->get('email')) . '&n=' . $nonce;
$email = new \Email();
$email->setSubject('Initial Password Request');
$email->to($u->get('email'));
$email->assign('link', \Core\resolve_link($link));
$email->assign('ip', REMOTE_IP);
$email->templatename = 'emails/user/initialpassword.tpl';
try{
$email->send();
\SystemLogModel::LogSecurityEvent('/user/initialpassword/send', 'Initial password request sent successfully', null, $u->get('id'));
\Core\set_message('t:MESSAGE_INFO_USER_LOGIN_MUST_SET_NEW_PASSWORD_INSTRUCTIONS_HAVE_BEEN_EMAILED');
return true;
}
catch(\Exception $e){
\Core\ErrorManagement\exception_handler($e);
\Core\set_message('t:MESSAGE_ERROR_USER_LOGIN_MUST_SET_NEW_PASSWORD_UNABLE_TO_SEND_EMAIL');
return false;
}
}
if(!$auth->checkPassword($p->get('value'))){
// Log this as a login attempt!
$logmsg = 'Failed Login. Invalid password' . "\n" . 'Email: ' . $e->get('value') . "\n";
\SystemLogModel::LogSecurityEvent('/user/login/failed_password', $logmsg, null, $u->get('id'));
// Also, I want to look up and see how many login attempts there have been in the past couple minutes.
// If there are too many, I need to start slowing the attempts.
$time = new \CoreDateTime();
$time->modify('-5 minutes');
$securityfactory = new \ModelFactory('SystemLogModel');
$securityfactory->where('code = /user/login/failed_password');
$securityfactory->where('datetime > ' . $time->getFormatted(\Time::FORMAT_EPOCH, \Time::TIMEZONE_GMT));
$securityfactory->where('ip_addr = ' . REMOTE_IP);
$attempts = $securityfactory->count();
if($attempts > 4){
// Start slowing down the response. This should help deter brute force attempts.
// (x+((x-7)/4)^3)-4
sleep( ($attempts+(($attempts-7)/4)^3)-4 );
// This makes a nice little curve with the following delays:
// 5th attempt: 0.85
// 6th attempt: 2.05
// 7th attempt: 3.02
// 8th attempt: 4.05
// 9th attempt: 5.15
// 10th attempt: 6.52
// 11th attempt: 8.10
// 12th attempt: 10.05
}
$e->setError('t:MESSAGE_ERROR_USER_LOGIN_INCORRECT_PASSWORD');
$p->set('value', '');
return false;
}
if($form->getElementValue('redirect')){
// The page was set via client-side javascript on the login page.
// This is the most reliable option.
$url = $form->getElementValue('redirect');
}
elseif(REL_REQUEST_PATH == '/user/login'){
// If the user came from the registration page, get the page before that.
$url = $form->referrer;
}
else{
// else the registration link is now on the same page as the 403 handler.
$url = REL_REQUEST_PATH;
}
// Well, record this too!
\SystemLogModel::LogSecurityEvent('/user/login', 'Login successful (via password)', null, $u->get('id'));
// yay...
$u->set('last_login', \CoreDateTime::Now('U', \Time::TIMEZONE_GMT));
$u->save();
\Core\Session::SetUser($u);
// Allow an external script to override the redirecting URL.
$overrideurl = \HookHandler::DispatchHook('/user/postlogin/getredirecturl');
if($overrideurl){
$url = $overrideurl;
}
return $url;
}
/**
* The actual Core registration page.
*
* This renders all the user's configurable options at registration.
*/
public function register2(){
$view = $this->getView();
$request = $this->getPageRequest();
$manager = \Core\user()->checkAccess('p:/user/users/manage'); // Current user an admin?
// Anonymous users should have access to this if it's allow public.
if(!\Core\user()->exists() && !ConfigHandler::Get('/user/register/allowpublic')){
return View::ERROR_BADREQUEST;
}
// Authenticated users must check the permission to manage users.
if(\Core\user()->exists() && !$manager){
return View::ERROR_ACCESSDENIED;
}
/** @var NonceModel $nonce */
$nonce = NonceModel::Construct($request->getParameter(0));
if(!$nonce->isValid()){
\Core\set_message('Invalid nonce token, please try again.', 'error');
\Core\go_back();
}
$nonce->decryptData();
$data = $nonce->get('data');
if(!isset($data['user']) || !($data['user'] instanceof UserModel)){
if(DEVELOPMENT_MODE){
\Core\set_message('Your nonce does not include a "user" key. Please ensure that this is set to a non-existent UserModel object!', 'error');
}
else{
\Core\set_message('Invalid login type, please try again later.', 'error');
}
\Core\go_back();
}
/** @var UserModel $user */
$user = $data['user'];
$form = \Core\User\Helper::GetForm($user);
// If the total number of form elements here are only 2, then only the user object and submit button are present.
// Instead of showing the form, auto-submit to that destination.
if(sizeof($form->getElements()) <= 2){
$user->setDefaultGroups();
$user->setDefaultMetaFields();
$user->setDefaultActiveStatuses();
$user->generateNewApiKey();
$user->save();
// User created... make a log of this!
\SystemLogModel::LogSecurityEvent('/user/register', 'User registration successful', null, $user->get('id'));
// Send a thank you for registering email to the user.
try{
$user->sendWelcomeEmail();
}
catch(\Exception $e){
\Core\ErrorManagement\exception_handler($e);
\Core\set_message('t:MESSAGE_ERROR_CANNOT_SEND_WELCOME_EMAIL');
}
// "login" this user if not already logged in.
if(!\Core\user()->exists()){
if($user->get('active')){
$user->set('last_login', \CoreDateTime::Now('U', \Time::TIMEZONE_GMT));
$user->save();
\Core\Session::SetUser($user);
}
\Core\set_message('t:MESSAGE_SUCCESS_CREATED_USER_ACCOUNT');
if(($overrideurl = \HookHandler::DispatchHook('/user/postlogin/getredirecturl'))){
// Allow an external script to override the redirecting URL.
$url = $overrideurl;
}
elseif($form->getElementValue('redirect')){
// The preferred default redirect method.
// This is set from /user/register2, which is in turn passed in, (hopefully), by the original callee registration page.
$url = $form->getElementValue('redirect');
}
elseif(strpos(REL_REQUEST_PATH, '/user/register') === 0){
// If the user came from the registration page, get the page before that.
$url = '/';
}
else{
// else the registration link is now on the same page as the 403 handler.
$url = REL_REQUEST_PATH;
}
\Core\redirect($url);
}
// It was created administratively; redirect there instead.
else{
\Core\set_message('t:MESSAGE_SUCCESS_CREATED_USER_ACCOUNT');
\Core\redirect('/user/admin');
}
}
$form->addElement('hidden', ['name' => 'redirect', 'value' => $data['redirect']]);
$view->title = 'Complete Registration';
$view->assign('form', $form);
}
