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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\AppInfo\Application;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCA\WorkflowEngine\Entity\File;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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\Node;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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\IRuleMatcher;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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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                	public function __construct(IUserSession $session, IServerContainer $container, IL10N $l, Manager $manager) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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 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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                		$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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                                                     | 
                
                 | 
                			}  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                		} else { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                			// Check is invalid  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                			throw new \UnexpectedValueException($this->l->t('Check %s is invalid or does not exist', $check['class'])); | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                		return $checkInstance->executeCheck($check['operator'], $check['value']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                 |