CakePHP check if user is logged in inside a view - php

Question

I have the following code:
<?php
if (!$this->Auth->user())
{
echo $this->element('header');
}
else
{
echo $this->element('header-bar');
}
?>
inside my view which should show a different header for logged in users but throws the following error:
Notice (8): Undefined property: View::$Auth [APP/views/layouts/page.ctp, line 17]
Fatal error: Call to a member function user() on a non-object in /Users/cameron/Sites/thehive/app/views/layouts/page.ctp on line 17
How do I fix this? Thanks

Answer 1

You don't need to do $this->set(compact('authUser'));
only use this in View:
if ($this->Session->read('Auth.User')){
// do something
}

Answer 2

As of CakePHP 2.x:
<?php if (AuthComponent::user('id')): ?>
Logged in as <?= AuthComponent::user('name') ?>
<?php endif; ?>

Answer 3

Note: Also check out meotimdihia's answer below. It's got a lot of upvotes.
The Auth component is for use in the Controller. You'll want to check for authorization in the controller, then set a variable for the view, e.g., $this->set('authUser', $this->Auth->user());. Then in your view you can do:
if (!$authUser)
{
echo $this->element('header');
}
If you want this to be done automatically for all controller methods, you can look into modifying cake/libs/controller/app_controller.php so that it includes the Auth component.

Answer 4

To summarize the answers on this page, evaluate one of the following based on which version of CakePHP you are using:
For version 1.x
$this->Session->read('Auth.User')
For version 2.x
AuthComponent::user('id')
For version 3.x
$this->request->session()->read('Auth.User.id')
For version 4.x, using the Authentication component
$this->loadHelper('Authentication.Identity');
...
$this->Identity->isLoggedIn()

Answer 5

This works in Cakephp 3+ (juts modify: "Auth.User.username" to suit your session data)
<?php
if (is_null($this->request->session()->read('Auth.User.username'))) {
echo "....logged out";
} else {
echo "You are Logged in As " . $this->request->session()->read('Auth.User.username');
}
?>

Answer 6

its been a while that I have used CakePHP but as far as I can remember CakePHP
doesn't support Auth in View. What you can do of course is set a variable in the
controller to use it in the view
<?
class AppController {
....
function beforeFilter(){
....
$this->set('auth',$this->Auth);
}
....
}
?>
and then use it in the view like this
$auth->....
or you can use the AuthHelper written by Ritesh Agrawal
http://bakery.cakephp.org/articles/ragrawal/2008/07/29/authhelper
BTW
I think if it comes to only test if somebody is logged in #webbiedave's answer
is better MVC style wise.
Nevertheless if you have to access userdata in view the just extract the userinfo
from Auth component and set it in the controller as I showed you and use it in the view
Regards

Answer 7

Try this
class AppController extends Controller{
$this->user = false;
public function beforeFilter(){
$this->user = $this->Auth->user();
}
public function beforeRender(){
$this->set('logged_user',$this->user);
}
}
Now You can check $logged_user in the view as
if($logged_user){
// users logged in $logged_user have all the details
}else{
// not logged in
}

Answer 8

in cakephp 3 you can check authentication session in the view like this
if($this->request->Session()->read('Auth.User')){
//do when login
}
else{
//do not login
}

Answer 9

If it helps anyone out in cakephp version 3.7.8 session has been depriciated to getSession so to update Lee Nielsen's comment
if (is_null($this->request->getSession()->read('Auth.User.username'))) {
echo "....logged out";
} else {
echo "You are Logged in As " . $this->request->getSession()->read('Auth.User.username');
}

Answer 10

For cakephp 4.2.6 Strawberry with Auth Component
<?php
// Note: Change email param to yours
if (is_null($this->request->getSession()->read('Auth')->email)) {
?>
<?= $this->Html->link(__('Login'), [ 'action' => 'login','controller' => 'Users']) ?>
<?php
} else { ?>
<?= $this->Html->link(__('Logout'), [ 'action' => 'logout','controller' => 'Users']) ?>
<?php }
?>

Answer 11

You need to set the user details from a controller, preferably the AppController which is inherited by all controllers across your site. Create/amend your app_controller.php to contain this beforeFilter(); method.
<?php
class AppController extends Controller {
function beforeFilter() {
$user = $this->Auth->user();
$this->set(compact('user'));
}
This will set a var called $user to the views which will be empty if the user is not logged in, or contain their data if they are.

Answer 12

//In the views (or layout)
$session->check('Auth.User.id');
//In controller
$this->Auth->User('id');

Answer 13

I found something worth mentioning, In CakePHP 3.x session handler is deprecated,
if we want to access session in view, we can do it via request handler. we have to use
<?php
// For CakePHP 3.x to access all user information
$this->request->session()->read('Auth.User');
// For CakePHP 3.x to check session
if($this->request->session()->read('Auth.User.id')) {
}
?>