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<?php |
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/** |
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* Copyright 2018 SURFnet B.V. |
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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\ApiBundle\Authorization\Service; |
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use Doctrine\ORM\Query\Expr\Join; |
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use Surfnet\Stepup\Configuration\Value\InstitutionRole; |
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use Surfnet\Stepup\Identity\Collection\InstitutionCollection; |
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use Surfnet\Stepup\Identity\Value\IdentityId; |
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use Surfnet\Stepup\Identity\Value\Institution; |
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use Surfnet\StepupMiddleware\ApiBundle\Authorization\Value\InstitutionAuthorizationContext; |
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use Surfnet\StepupMiddleware\ApiBundle\Authorization\Value\InstitutionRoleSet; |
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use Surfnet\StepupMiddleware\ApiBundle\Configuration\Entity\InstitutionAuthorization; |
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use Surfnet\StepupMiddleware\ApiBundle\Exception\InvalidArgumentException; |
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use Surfnet\StepupMiddleware\ApiBundle\Identity\Entity\RaListing; |
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use Surfnet\StepupMiddleware\ApiBundle\Identity\Repository\InstitutionListingRepository; |
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use Surfnet\StepupMiddleware\ApiBundle\Identity\Service\IdentityService; |
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use Surfnet\StepupMiddleware\ApiBundle\Identity\Service\SraaService; |
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/** |
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* Creates InstitutionAuthorizationContext |
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* |
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* The Context is enriched with the 'isSraa' setting. It verifies if the |
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* actor id matches that of one of the SRAA's. |
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*/ |
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class InstitutionAuthorizationService |
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{ |
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/** |
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* @var SraaService |
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*/ |
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private $sraaService; |
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/** |
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* @var IdentityService |
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*/ |
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private $identityService; |
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/** |
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* @var InstitutionListingRepository |
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*/ |
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private $institutionListingRepository; |
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public function __construct( |
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SraaService $sraaService, |
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IdentityService $identityService, |
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InstitutionListingRepository $institutionListingRepository |
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) { |
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$this->sraaService = $sraaService; |
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$this->identityService = $identityService; |
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$this->institutionListingRepository = $institutionListingRepository; |
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} |
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/** |
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* Build the InstitutionAuthorizationContext for use in queries |
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* |
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* The additional test is performed to indicate if the actor is SRAA. |
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* |
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* @param Institution $actorInstitution |
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* @param InstitutionRoleSet $roleRequirements |
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* @param IdentityId $actorId |
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* @return InstitutionAuthorizationContext |
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*/ |
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public function buildInstitutionAuthorizationContext(Institution $actorInstitution, InstitutionRoleSet $roleRequirements, IdentityId $actorId) |
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{ |
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$identity = $this->identityService->find((string) $actorId); |
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if (!$identity) { |
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throw new InvalidArgumentException('The provided id is not associated with any known identity'); |
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} |
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$sraa = $this->sraaService->findByNameId($identity->nameId); |
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$isSraa = !is_null($sraa); |
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$institutions = $this->getInstitutions($roleRequirements, $actorId); |
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return new InstitutionAuthorizationContext($actorInstitution, $roleRequirements, $institutions, $isSraa); |
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} |
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/** |
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* @param InstitutionRoleSet $roleRequirements |
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* @param IdentityId $actorId |
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* @return InstitutionCollection |
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*/ |
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private function getInstitutions(InstitutionRoleSet $roleRequirements, IdentityId $actorId) { |
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$qb = $this->institutionListingRepository->createQueryBuilder('i') |
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->select("a.institution") |
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->innerJoin(RaListing::class, 'r', Join::WITH, "i.institution = r.raInstitution") |
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->leftJoin(InstitutionAuthorization::class, 'a', Join::WITH, "i.institution = a.institutionRelation AND a.institutionRole IN (:authorizationRoles)") |
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->where("r.identityId = :identityId AND r.role IN(:roles)") |
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->groupBy("a.institution"); |
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$qb->setParameter('identityId', (string)$actorId); |
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$qb->setParameter('authorizationRoles', $this->getAuthorizationRoles($roleRequirements, [InstitutionRole::ROLE_USE_RA => InstitutionRole::ROLE_USE_RA, InstitutionRole::ROLE_USE_RAA => InstitutionRole::ROLE_USE_RAA])); |
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$qb->setParameter('roles', $this->getAuthorizationRoles($roleRequirements, [InstitutionRole::ROLE_USE_RA => 'ra', InstitutionRole::ROLE_USE_RAA => 'raa'])); |
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$institutions = $qb->getQuery()->getArrayResult(); |
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$result = new InstitutionCollection(); |
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foreach ($institutions as $institution) { |
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$result->add(new Institution((string)$institution['institution'])); |
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} |
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return $result; |
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} |
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/** |
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* @param InstitutionRoleSet $roleRequirements |
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* @param array $map |
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* @return array |
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*/ |
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private function getAuthorizationRoles(InstitutionRoleSet $roleRequirements, array $map) |
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{ |
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$result = []; |
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foreach ($roleRequirements->getRoles() as $role) { |
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$result[] = $map[(string)$role]; |
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} |
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return $result; |
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} |
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} |
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OpenConext /
Stepup-Middleware
