BookStack Code Mirror - bookstack/blob - app/Http/Controllers/Controller.php

   1 <?php
   2
   3 namespace BookStack\Http\Controllers;
   4
   5 use HttpRequestException;
   6 use Illuminate\Foundation\Bus\DispatchesJobs;
   7 use Illuminate\Http\Exception\HttpResponseException;
   8 use Illuminate\Routing\Controller as BaseController;
   9 use Illuminate\Foundation\Validation\ValidatesRequests;
  10 use Illuminate\Support\Facades\Auth;
  11 use Illuminate\Support\Facades\Session;
  12 use BookStack\User;
  13
  14 abstract class Controller extends BaseController
  15 {
  16     use DispatchesJobs, ValidatesRequests;
  17
  18     /**
  19      * @var User static
  20      */
  21     protected $currentUser;
  22     /**
  23      * @var bool
  24      */
  25     protected $signedIn;
  26
  27     /**
  28      * Controller constructor.
  29      */
  30     public function __construct()
  31     {
  32         // Get a user instance for the current user
  33         $user = auth()->user();
  34         if (!$user) $user = User::getDefault();
  35
  36         // Share variables with views
  37         view()->share('signedIn', auth()->check());
  38         view()->share('currentUser', $user);
  39
  40         // Share variables with controllers
  41         $this->currentUser = $user;
  42         $this->signedIn = auth()->check();
  43     }
  44
  45     /**
  46      * Checks for a permission.
  47      *
  48      * @param $permissionName
  49      * @return bool|\Illuminate\Http\RedirectResponse
  50      */
  51     protected function checkPermission($permissionName)
  52     {
  53         if (!$this->currentUser || !$this->currentUser->can($permissionName)) {
  54             Session::flash('error', trans('errors.permission'));
  55             throw new HttpResponseException(
  56                 redirect('/')
  57             );
  58         }
  59
  60         return true;
  61     }
  62
  63     protected function checkPermissionOr($permissionName, $callback)
  64     {
  65         $callbackResult = $callback();
  66         if ($callbackResult === false) $this->checkPermission($permissionName);
  67         return true;
  68     }
  69
  70 }