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<?php |
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/** |
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* Copyright 2017 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\StepupBundle\Service; |
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use Surfnet\StepupBundle\Exception\DomainException; |
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use Surfnet\StepupBundle\Value\GssfConfig; |
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use Surfnet\StepupBundle\Value\Loa; |
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use Surfnet\StepupBundle\Value\SecondFactorType; |
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class SecondFactorTypeService |
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{ |
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/** |
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* @var array |
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*/ |
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private $loaLevelTypeMap = [ |
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'sms' => Loa::LOA_2, |
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'yubikey' => Loa::LOA_3, |
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'u2f' => Loa::LOA_3, |
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]; |
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/** |
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* @var GssfConfig |
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*/ |
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private $gssfConfig; |
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/** |
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* @param array $gssfConfig |
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*/ |
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public function __construct(array $gssfConfig) |
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{ |
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$this->gssfConfig = new GssfConfig($gssfConfig); |
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} |
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/** |
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* @return string[] |
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*/ |
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public function getAvailableSecondFactorTypes() |
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{ |
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return array_merge( |
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$this->getAvailableGssfSecondFactorTypes(), |
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array_keys($this->loaLevelTypeMap) |
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); |
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} |
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/** |
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* @return string[] |
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*/ |
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private function getAvailableGssfSecondFactorTypes() |
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{ |
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return $this->gssfConfig->getSecondFactorTypes(); |
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} |
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/** |
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* @param SecondFactorType $secondFactorType |
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* @param Loa $loa |
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* @return bool |
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*/ |
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public function canSatisfy(SecondFactorType $secondFactorType, Loa $loa) |
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{ |
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return $loa->levelIsLowerOrEqualTo($this->getLevel($secondFactorType)); |
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} |
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/** |
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* @param SecondFactorType $secondFactorType |
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* @param Loa $loa |
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* @return bool |
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*/ |
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public function isSatisfiedBy(SecondFactorType $secondFactorType, Loa $loa) |
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{ |
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return $loa->levelIsHigherOrEqualTo($this->getLevel($secondFactorType)); |
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} |
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/** |
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* @param SecondFactorType $secondFactorType |
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* @param SecondFactorTypeService|SecondFactorType $other |
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* @return bool |
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*/ |
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public function hasEqualOrHigherLoaComparedTo(SecondFactorType $secondFactorType, SecondFactorType $other) |
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{ |
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return $this->getLevel($secondFactorType) >= $this->getLevel($other); |
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} |
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/** |
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* @param SecondFactorType $secondFactorType |
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* @param SecondFactorTypeService|SecondFactorType $other |
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* @return bool |
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*/ |
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public function hasEqualOrLowerLoaComparedTo(SecondFactorType $secondFactorType, SecondFactorType $other) |
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{ |
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return $this->getLevel($secondFactorType) <= $this->getLevel($other); |
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} |
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/** |
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* @param SecondFactorType $secondFactorType |
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* @return int |
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*/ |
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public function getLevel(SecondFactorType $secondFactorType) |
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{ |
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$loaMap = array_merge( |
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$this->loaLevelTypeMap, |
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$this->gssfConfig->getLoaMap() |
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); |
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if (array_key_exists($secondFactorType->getSecondFactorType(), $loaMap)) { |
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return $loaMap[$secondFactorType->getSecondFactorType()]; |
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} |
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throw new DomainException( |
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sprintf( |
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'The Loa level of this type: %s can\'t be retrieved.', |
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$secondFactorType->getSecondFactorType() |
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) |
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); |
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} |
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public function isGssf(SecondFactorType $secondFactorType) |
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{ |
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return in_array($secondFactorType->__toString(), $this->getAvailableGssfSecondFactorTypes()); |
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} |
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} |
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This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.