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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2019 Arthur Schiwon <[email protected]> |
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* |
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* @author Arthur Schiwon <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\WorkflowEngine\Service; |
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use OCA\WorkflowEngine\Helper\ScopeContext; |
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use OCA\WorkflowEngine\Manager; |
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use OCP\AppFramework\QueryException; |
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use OCP\Files\Storage\IStorage; |
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use OCP\IL10N; |
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use OCP\IServerContainer; |
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use OCP\IUserSession; |
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use OCP\WorkflowEngine\ICheck; |
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use OCP\WorkflowEngine\IEntity; |
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use OCP\WorkflowEngine\IEntityCheck; |
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use OCP\WorkflowEngine\IFileCheck; |
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use OCP\WorkflowEngine\IManager; |
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use OCP\WorkflowEngine\IOperation; |
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use OCP\WorkflowEngine\IRuleMatcher; |
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use RuntimeException; |
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class RuleMatcher implements IRuleMatcher { |
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/** @var IUserSession */ |
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protected $session; |
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/** @var IManager */ |
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protected $manager; |
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/** @var array */ |
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protected $contexts; |
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/** @var IServerContainer */ |
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protected $container; |
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/** @var array */ |
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protected $fileInfo = []; |
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/** @var IL10N */ |
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protected $l; |
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/** @var IOperation */ |
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protected $operation; |
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/** @var IEntity */ |
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protected $entity; |
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public function __construct( |
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IUserSession $session, |
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IServerContainer $container, |
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IL10N $l, |
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Manager $manager |
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) { |
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$this->session = $session; |
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$this->manager = $manager; |
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$this->container = $container; |
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$this->l = $l; |
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} |
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public function setFileInfo(IStorage $storage, string $path): void { |
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$this->fileInfo['storage'] = $storage; |
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$this->fileInfo['path'] = $path; |
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} |
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public function setEntitySubject(IEntity $entity, $subject): void { |
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$this->contexts[get_class($entity)] = [$entity, $subject]; |
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} |
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public function setOperation(IOperation $operation): void { |
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if($this->operation !== null) { |
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throw new RuntimeException('This method must not be called more than once'); |
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} |
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$this->operation = $operation; |
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} |
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public function setEntity(IEntity $entity): void { |
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if($this->entity !== null) { |
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throw new RuntimeException('This method must not be called more than once'); |
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} |
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$this->entity = $entity; |
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} |
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public function getEntity(): IEntity { |
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if($this->entity === null) { |
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throw new \LogicException('Entity was not set yet'); |
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} |
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return $this->entity; |
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} |
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public function getFlows(bool $returnFirstMatchingOperationOnly = true): array { |
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if(!$this->operation) { |
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throw new RuntimeException('Operation is not set'); |
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} |
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return $this->getMatchingOperations(get_class($this->operation), $returnFirstMatchingOperationOnly); |
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} |
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public function getMatchingOperations(string $class, bool $returnFirstMatchingOperationOnly = true): array { |
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$scopes[] = new ScopeContext(IManager::SCOPE_ADMIN); |
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$user = $this->session->getUser(); |
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if($user !== null) { |
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$scopes[] = new ScopeContext(IManager::SCOPE_USER, $user->getUID()); |
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} |
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$operations = []; |
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foreach ($scopes as $scope) { |
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$operations = array_merge($operations, $this->manager->getOperations($class, $scope)); |
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} |
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$additionalScopes = $this->manager->getAllConfiguredScopesForOperation($class); |
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foreach ($additionalScopes as $hash => $scopeCandidate) { |
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/** @var ScopeContext $scopeCandidate */ |
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if ($scopeCandidate->getScope() !== IManager::SCOPE_USER) { |
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continue; |
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} |
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if ($this->entity->isLegitimatedForUserId($scopeCandidate->getScopeId())) { |
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$operations = array_merge($operations, $this->manager->getOperations($class, $scopeCandidate)); |
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} |
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} |
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$matches = []; |
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foreach ($operations as $operation) { |
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$checkIds = json_decode($operation['checks'], true); |
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$checks = $this->manager->getChecks($checkIds); |
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foreach ($checks as $check) { |
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if (!$this->check($check)) { |
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// Check did not match, continue with the next operation |
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continue 2; |
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} |
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} |
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if ($returnFirstMatchingOperationOnly) { |
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return $operation; |
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} |
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$matches[] = $operation; |
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} |
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return $matches; |
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} |
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/** |
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* @param array $check |
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* @return bool |
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*/ |
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public function check(array $check) { |
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try { |
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$checkInstance = $this->container->query($check['class']); |
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} catch (QueryException $e) { |
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// Check does not exist, assume it matches. |
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return true; |
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} |
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if ($checkInstance instanceof IFileCheck) { |
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if (empty($this->fileInfo)) { |
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throw new RuntimeException('Must set file info before running the check'); |
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} |
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$checkInstance->setFileInfo($this->fileInfo['storage'], $this->fileInfo['path']); |
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} elseif ($checkInstance instanceof IEntityCheck) { |
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foreach($this->contexts as $entityInfo) { |
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list($entity, $subject) = $entityInfo; |
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$checkInstance->setEntitySubject($entity, $subject); |
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} |
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} else if(!$checkInstance instanceof ICheck) { |
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// Check is invalid |
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throw new \UnexpectedValueException($this->l->t('Check %s is invalid or does not exist', $check['class'])); |
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} |
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return $checkInstance->executeCheck($check['operator'], $check['value']); |
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} |
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} |
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nextcloud /
server
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