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<?php |
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/** |
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* Copyright 2014 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\StepupMiddleware\ManagementBundle\Validator; |
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use Assert\Assertion as Assert; |
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use Surfnet\StepupMiddleware\ManagementBundle\Validator\Assert as StepupAssert; |
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class ServiceProviderConfigurationValidator implements ConfigurationValidatorInterface |
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{ |
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public function validate(array $configuration, $propertyPath) |
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{ |
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Assert::isArray($configuration, 'invalid configuration format, must be an object', $propertyPath); |
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$acceptedProperties = [ |
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'entity_id', |
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'public_key', |
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'acs', |
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'loa', |
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'assertion_encryption_enabled', |
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'second_factor_only', |
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'second_factor_only_nameid_patterns', |
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'blacklisted_encryption_algorithms', |
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]; |
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StepupAssert::keysMatch( |
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$configuration, |
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$acceptedProperties, |
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sprintf( |
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"The following properties must be present: '%s'; other properties are not supported", |
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join("', '", $acceptedProperties) |
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), |
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$propertyPath |
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); |
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$this->validateStringValue($configuration, 'entity_id', $propertyPath); |
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$this->validateStringValue($configuration, 'public_key', $propertyPath); |
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$this->validateAssertionConsumerUrls($configuration, $propertyPath); |
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$this->validateLoaDefinition($configuration, $propertyPath); |
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$this->validateBooleanValue( |
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$configuration, |
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'assertion_encryption_enabled', |
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$propertyPath |
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); |
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$this->validateBooleanValue( |
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$configuration, |
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'second_factor_only', |
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$propertyPath |
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); |
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$this->validateListOfNameIdPatterns( |
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$configuration, |
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'second_factor_only_nameid_patterns', |
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$propertyPath |
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); |
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$this->validateStringValues( |
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$configuration, |
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'blacklisted_encryption_algorithms', |
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$propertyPath |
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); |
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} |
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/** |
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* @param array $configuration |
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* @param string $name |
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* @param string $propertyPath |
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*/ |
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private function validateStringValue($configuration, $name, $propertyPath) |
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{ |
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Assert::string($configuration[$name], 'value must be a string', $propertyPath . '.' . $name); |
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} |
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/** |
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* @param array $configuration |
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* @param string $name |
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* @param string $propertyPath |
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*/ |
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private function validateStringValues($configuration, $name, $propertyPath) |
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{ |
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Assert::isArray($configuration[$name], 'value must be an array', $propertyPath . '.' . $name); |
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Assert::allString($configuration[$name], 'value must be an array of strings', $propertyPath . '.' . $name); |
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} |
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/** |
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* @param array $configuration |
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* @param string $name |
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* @param string $propertyPath |
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*/ |
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private function validateBooleanValue($configuration, $name, $propertyPath) |
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{ |
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Assert::boolean($configuration[$name], 'value must be a boolean', $propertyPath . '.' . $name); |
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} |
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/** |
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* @param array $configuration |
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* @param string $propertyPath |
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*/ |
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private function validateAssertionConsumerUrls($configuration, $propertyPath) |
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{ |
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$value = $configuration['acs']; |
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$propertyPath = $propertyPath . '.acs'; |
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Assert::isArray($value, 'must contain a non-empty array of strings', $propertyPath); |
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Assert::true(count($value) >= 1, 'array must contain at least one value', $propertyPath); |
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Assert::allString($value, 'must be an array of strings', $propertyPath); |
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} |
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/** |
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* @param array $configuration |
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* @param string $propertyPath |
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*/ |
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View Code Duplication |
private function validateLoaDefinition($configuration, $propertyPath) |
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{ |
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$value = $configuration['loa']; |
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$path = $propertyPath . '.loa'; |
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Assert::isArray($value, 'must be an object', $path); |
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Assert::keyExists($value, '__default__', "must have the default loa set on the '__default__' property", $path); |
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Assert::allString($value, 'all properties must contain strings as values', $path); |
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} |
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/** |
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* @param array $configuration |
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* @param string $name |
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* @param string $propertyPath |
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*/ |
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private function validateListOfNameIdPatterns($configuration, $name, $propertyPath) |
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{ |
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$value = $configuration[$name]; |
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$propertyPath = $propertyPath . '.' . $name; |
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Assert::isArray($value, 'must contain an array', $propertyPath); |
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Assert::allString($value, 'must be an array of strings', $propertyPath); |
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} |
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} |
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Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: