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<?php |
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/** |
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* Copyright 2015 SURFnet bv |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Surfnet\StepupSelfService\SelfServiceBundle\DependencyInjection; |
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use Surfnet\StepupBundle\Exception\DomainException; |
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use Surfnet\StepupBundle\Exception\InvalidArgumentException; |
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use Surfnet\StepupBundle\Value\SecondFactorType; |
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use Symfony\Component\Config\Definition\Builder\NodeBuilder; |
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use Symfony\Component\Config\Definition\Builder\TreeBuilder; |
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use Symfony\Component\Config\Definition\ConfigurationInterface; |
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class Configuration implements ConfigurationInterface |
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{ |
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public function getConfigTreeBuilder() |
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{ |
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$treeBuilder = new TreeBuilder(); |
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$rootNode = $treeBuilder->root('surfnet_stepup_self_service_self_service'); |
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$childNodes = $rootNode->children(); |
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$this->appendEnabledSecondFactorTypesConfiguration($childNodes); |
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$this->appendSecondFactorTestIdentityProvider($childNodes); |
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$this->appendSessionConfiguration($childNodes); |
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return $treeBuilder; |
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} |
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/** |
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* @param NodeBuilder $childNodes |
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*/ |
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private function appendSessionConfiguration(NodeBuilder $childNodes) |
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{ |
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$childNodes |
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->arrayNode('session_lifetimes') |
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->isRequired() |
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->children() |
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->integerNode('max_absolute_lifetime') |
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->isRequired() |
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->defaultValue(3600) |
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->info('The maximum lifetime of a session regardless of interaction by the user, in seconds.') |
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->example('3600 -> 1 hour * 60 minutes * 60 seconds') |
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->validate() |
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->ifTrue( |
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function ($lifetime) { |
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return !is_int($lifetime); |
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} |
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) |
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->thenInvalid('max_absolute_lifetime must be an integer') |
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->end() |
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->end() |
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->integerNode('max_relative_lifetime') |
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->isRequired() |
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->defaultValue(600) |
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->info( |
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'The maximum relative lifetime of a session; the maximum allowed time between two ' |
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. 'interactions by the user' |
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) |
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->example('600 -> 10 minutes * 60 seconds') |
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->validate() |
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->ifTrue( |
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function ($lifetime) { |
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return !is_int($lifetime); |
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} |
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) |
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->thenInvalid('max_relative_lifetime must be an integer') |
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->end() |
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->end() |
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->end() |
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->end(); |
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} |
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private function appendSecondFactorTestIdentityProvider(NodeBuilder $childNodes) |
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{ |
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$childNodes |
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->arrayNode('second_factor_test_identity_provider') |
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->isRequired() |
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->children() |
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->scalarNode('entity_id') |
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->isRequired() |
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->info('The EntityID of the remote identity provider') |
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->end() |
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->scalarNode('sso_url') |
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->isRequired() |
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->info('The name of the route to generate the SSO URL') |
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->end() |
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->scalarNode('certificate') |
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->info('The contents of the certificate used to sign the AuthnResponse with') |
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->end() |
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->scalarNode('certificate_file') |
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->info('A file containing the certificate used to sign the AuthnResponse with') |
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->end() |
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->end() |
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->end(); |
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} |
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/** |
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* @param NodeBuilder $childNodes |
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*/ |
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private function appendEnabledSecondFactorTypesConfiguration(NodeBuilder $childNodes) |
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{ |
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$childNodes |
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->arrayNode('enabled_second_factors') |
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->isRequired() |
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->prototype('scalar') |
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->validate() |
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->ifTrue( |
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function ($type) { |
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try { |
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new SecondFactorType($type); |
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} catch (InvalidArgumentException $e) { |
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return true; |
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} catch (DomainException $e) { |
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return true; |
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} |
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} |
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) |
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->thenInvalid( |
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'Enabled second factor type "%s" is not one of the valid types. See SecondFactorType' |
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) |
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->end() |
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->end() |
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->end(); |
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} |
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} |
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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: