Completed
Push — bugfix/fix-auth-filter ( ef85b1...b05c6b )
by
unknown
03:03
created

InstitutionAuthorizationService::getInstitutions()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 22

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 22
rs 9.568
c 0
b 0
f 0
cc 2
nc 2
nop 2
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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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