| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | namespace Chubbyphp\Security\Authentication; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Chubbyphp\ErrorHandler\HttpException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Pimple\Container; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Pimple\ServiceProviderInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Psr\Http\Message\ServerRequestInterface as Request; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use Psr\Http\Message\ResponseInterface as Response; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | final class AuthenticationProvider implements ServiceProviderInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |      * @param Container $container | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 | 1 |  |     public function register(Container $container) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |         $container['security.authentication.passwordmanager'] = function () { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 | 1 |  |             return new PasswordManager(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 | 1 |  |         $this->registerAuthentication($container); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 | 1 |  |         $this->registerMiddleware($container); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 | 1 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |      * @param Container $container | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 | 1 |  |     private function registerAuthentication(Container $container) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         $container['security.authentication.authentications'] = function () { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 | 1 |  |             return []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         $container['security.authentication'] = function () use ($container) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 | 1 |  |             return new AuthenticationStack($container['security.authentication.authentications']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 | 1 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * @param Container $container | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     private function registerMiddleware(Container $container) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     { | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 47 |  |  |         $container['security.authentication.errorResponseHandler'] = new class() implements AuthenticationErrorHandlerInterface { | 
            
                                                                        
                            
            
                                    
            
            
                | 48 | 1 |  |             public function errorResponse( | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  |                 Request $request, | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  |                 Response $response, | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  |                 int $code, | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |                 string $reasonPhrase = null | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  |             ): Response { | 
            
                                                                        
                            
            
                                    
            
            
                | 54 | 1 |  |                 throw HttpException::create($request, $response, $code, $reasonPhrase); | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 1 |  |         $container['security.authentication.middleware'] = function () use ($container) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 1 |  |             return new AuthenticationErrorResponseMiddleware( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 1 |  |                 $container['security.authentication'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 1 |  |                 $container['security.authentication.errorResponseHandler'] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |             ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |         }; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 1 |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 65 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 66 |  |  |  | 
            
                        
PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left.
Let’s take a look at an example:
If we look at the
getEmail()method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless:On the hand, if we look at the
setEmail(), this method _has_ side-effects. In the following case, we could not remove the method call: