| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * Copyright 2015 SURFnet bv | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * you may not use this file except in compliance with the License. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * You may obtain a copy of the License at | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  *     http://www.apache.org/licenses/LICENSE-2.0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * Unless required by applicable law or agreed to in writing, software | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * distributed under the License is distributed on an "AS IS" BASIS, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * See the License for the specific language governing permissions and | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * limitations under the License. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | namespace Surfnet\StepupSelfService\SelfServiceBundle\DependencyInjection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | use Surfnet\StepupBundle\Exception\DomainException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | use Surfnet\StepupBundle\Exception\InvalidArgumentException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | use Surfnet\StepupBundle\Value\SecondFactorType; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | use Symfony\Component\Config\Definition\Builder\NodeBuilder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | use Symfony\Component\Config\Definition\Builder\TreeBuilder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | use Symfony\Component\Config\Definition\ConfigurationInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | class Configuration implements ConfigurationInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     public function getConfigTreeBuilder() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |         $treeBuilder = new TreeBuilder(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         $rootNode = $treeBuilder->root('surfnet_stepup_self_service_self_service'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         $childNodes = $rootNode->children(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         $this->appendEnabledSecondFactorTypesConfiguration($childNodes); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         $this->appendSecondFactorTestIdentityProvider($childNodes); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         $this->appendSessionConfiguration($childNodes); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         return $treeBuilder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * @param NodeBuilder $childNodes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     private function appendSessionConfiguration(NodeBuilder $childNodes) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |         $childNodes | 
                            
                    |  |  |  | 
                                                                                        
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                | 49 |  |  |             ->arrayNode('session_lifetimes') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |                 ->isRequired() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |                 ->children() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |                     ->integerNode('max_absolute_lifetime') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |                         ->isRequired() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |                         ->defaultValue(3600) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |                         ->info('The maximum lifetime of a session regardless of interaction by the user, in seconds.') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |                         ->example('3600 -> 1 hour * 60 minutes * 60 seconds') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |                         ->validate() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |                             ->ifTrue( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |                                 function ($lifetime) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |                                     return !is_int($lifetime); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |                                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |                             ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |                             ->thenInvalid('max_absolute_lifetime must be an integer') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |                         ->end() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |                     ->end() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |                     ->integerNode('max_relative_lifetime') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |                         ->isRequired() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |                         ->defaultValue(600) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |                         ->info( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |                             'The maximum relative lifetime of a session; the maximum allowed time between two ' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |                             . 'interactions by the user' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |                         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |                         ->example('600 -> 10 minutes * 60 seconds') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |                         ->validate() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |                             ->ifTrue( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |                                 function ($lifetime) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |                                     return !is_int($lifetime); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |                                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |                             ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |                             ->thenInvalid('max_relative_lifetime must be an integer') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |                         ->end() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |                     ->end() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |                 ->end() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |             ->end(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 87 |  |  |     private function appendSecondFactorTestIdentityProvider(NodeBuilder $childNodes) | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  |         $childNodes | 
                            
                    |  |  |  | 
                                                                                        
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                | 90 |  |  |             ->arrayNode('second_factor_test_identity_provider') | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |                 ->isRequired() | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  |                 ->children() | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  |                     ->scalarNode('entity_id') | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  |                         ->isRequired() | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  |                         ->info('The EntityID of the remote identity provider') | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |                     ->end() | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  |                     ->scalarNode('sso_url') | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  |                         ->isRequired() | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  |                         ->info('The name of the route to generate the SSO URL') | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  |                     ->end() | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |                     ->scalarNode('certificate') | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  |                         ->info('The contents of the certificate used to sign the AuthnResponse with') | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  |                     ->end() | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  |                     ->scalarNode('certificate_file') | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  |                         ->info('A file containing the certificate used to sign the AuthnResponse with') | 
            
                                                                        
                            
            
                                    
            
            
                | 106 |  |  |                     ->end() | 
            
                                                                        
                            
            
                                    
            
            
                | 107 |  |  |                 ->end() | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  |             ->end(); | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * @param NodeBuilder $childNodes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     private function appendEnabledSecondFactorTypesConfiguration(NodeBuilder $childNodes) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |         $childNodes | 
                            
                    |  |  |  | 
                                                                                        
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                | 117 |  |  |             ->arrayNode('enabled_second_factors') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |                 ->isRequired() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |                 ->prototype('scalar') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |                     ->validate() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |                         ->ifTrue( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |                             function ($type) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |                                 try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |                                     new SecondFactorType($type); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |                                 } catch (InvalidArgumentException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |                                     return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |                                 } catch (DomainException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |                                     return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |                                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |                             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |                         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |                         ->thenInvalid( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |                             'Enabled second factor type "%s" is not one of the valid types. See SecondFactorType' | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |                         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |                     ->end() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |                 ->end() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |             ->end(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 139 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 140 |  |  |  | 
            
                        
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the parent class: