1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Bundle\FrameworkBundle\Templating;

    13 

    14 use Symfony\Component\DependencyInjection\ContainerInterface;

    15 

    16 /**

    17  * GlobalVariables is the entry point for Symfony global variables in Twig templates.

    18  *

    19  * @author Fabien Potencier <fabien@symfony.com>

    20  */

    21 class GlobalVariables

    22 {

    23     protected $container;

    24 

    25     public function __construct(ContainerInterface $container)

    26     {

    27         $this->container = $container;

    28     }

    29 

    30     /**

    31      * Returns the security context service.

    32      *

    33      * @return Symfony\Component\Security\Core\SecurityContext|void The security context

    34      */

    35     public function getSecurity()

    36     {

    37         if ($this->container->has('security.context')) {

    38             return $this->container->get('security.context');

    39         }

    40     }

    41 

    42     /**

    43      * Returns the current user.

    44      *

    45      * @return mixed|void

    46      *

    47      * @see Symfony\Component\Security\Core\Authentication\Token\TokenInterface::getUser()

    48      */

    49     public function getUser()

    50     {

    51         if (!$security = $this->getSecurity()) {

    52             return;

    53         }

    54 

    55         if (!$token = $security->getToken()) {

    56             return;

    57         }

    58 

    59         $user = $token->getUser();

    60         if (!is_object($user)) {

    61             return;

    62         }

    63 

    64         return $user;

    65     }

    66 

    67     /**

    68      * Returns the current request.

    69      *

    70      * @return Symfony\Component\HttpFoundation\Request|void The http request object

    71      */

    72     public function getRequest()

    73     {

    74         if ($this->container->has('request') && $request = $this->container->get('request')) {

    75             return $request;

    76         }

    77     }

    78 

    79     /**

    80      * Returns the current session.

    81      *

    82      * @return Symfony\Component\HttpFoundation\Session|void The session

    83      */

    84     public function getSession()

    85     {

    86         if ($request = $this->getRequest()) {

    87             return $request->getSession();

    88         }

    89     }

    90 

    91     /**

    92      * Returns the current app environment.

    93      *

    94      * @return string The current environment string (e.g 'dev')

    95      */

    96     public function getEnvironment()

    97     {

    98         return $this->container->getParameter('kernel.environment');

    99     }

   100 

   101     /**

   102      * Returns the current app debug mode.

   103      *

   104      * @return Boolean The current debug mode

   105      */

   106     public function getDebug()

   107     {

   108         return (Boolean) $this->container->getParameter('kernel.debug');

   109     }

   110 }