| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Backpack\CRUD\app\Http\Middleware; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Closure; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Illuminate\Auth\AuthenticationException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Illuminate\Contracts\Auth\Factory as AuthFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Illuminate\Session\Middleware\AuthenticateSession as LaravelAuthenticateSession; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | class AuthenticateSession extends LaravelAuthenticateSession | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |      * The authentication factory implementation. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |      * @var \Illuminate\Contracts\Auth\Factory | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     protected $auth; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     protected $user; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * Create a new middleware instance. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |      * @param  \Illuminate\Contracts\Auth\Factory  $auth | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * @return void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     public function __construct(AuthFactory $auth) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |         $this->auth = $auth; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         $this->user = backpack_user(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      * Handle an incoming request. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @param  \Illuminate\Http\Request  $request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * @param  \Closure  $next | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * @return mixed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     public function handle($request, Closure $next) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         if (! $request->hasSession() || ! $this->user) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |             return $next($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         if ($this->guard()->viaRemember()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |             $passwordHash = explode('|', $request->cookies->get($this->guard()->getRecallerName()))[2] ?? null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |             if (! $passwordHash || $passwordHash != $this->user->getAuthPassword()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |                 $this->logout($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         if (! $request->session()->has('password_hash_'.backpack_guard_name())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |             $this->storePasswordHashInSession($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         if ($request->session()->get('password_hash_'.backpack_guard_name()) !== $this->user->getAuthPassword()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |             $this->logout($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         return tap($next($request), function () use ($request) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |             if (! is_null($this->guard()->user())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |                 $this->storePasswordHashInSession($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * Store the user's current password hash in the session. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * @param  \Illuminate\Http\Request  $request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * @return void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     protected function storePasswordHashInSession($request) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         if (! $this->user) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |             return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         $request->session()->put([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |             'password_hash_'.backpack_guard_name() => $this->user->getAuthPassword(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * Log the user out of the application. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * @param  \Illuminate\Http\Request  $request | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * @return void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * @throws \Illuminate\Auth\AuthenticationException | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 93 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  |     protected function logout($request) | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |         $this->guard()->logoutCurrentDevice(); | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  |         $request->session()->flush(); | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  |         \Alert::error('Your password was changed in another browser session. Please login again using the new password.')->flash(); | 
                            
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                | 101 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  |         throw new AuthenticationException('Unauthenticated.', [backpack_guard_name()], backpack_url('login')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      * Get the guard instance that should be used by the middleware. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      * @return \Illuminate\Contracts\Auth\Factory|\Illuminate\Contracts\Auth\Guard | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     protected function guard() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         return $this->auth; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 114 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 115 |  |  |  | 
            
                        
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