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                <?php declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright (c) 2018 Robin Appelman <[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\Files_Versions\Versions;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OC\Files\View;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCA\Files_Versions\Storage;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\File;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\FileInfo;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\Folder;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\IRootFolder;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\NotFoundException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\IUser;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class LegacyVersionsBackend implements IVersionBackend { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/** @var IRootFolder */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $rootFolder;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function __construct(IRootFolder $rootFolder) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->rootFolder = $rootFolder;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getVersionsForFile(IUser $user, FileInfo $file): array { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$userFolder = $this->rootFolder->getUserFolder($user->getUID());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$versions = Storage::getVersions($user->getUID(), $userFolder->getRelativePath($file->getPath()));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return array_map(function (array $data) use ($file, $user) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return new Version(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				(int)$data['version'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				(int)$data['version'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$data['name'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				(int)$data['size'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$data['mimetype'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$data['path'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$file,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$this,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$user  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}, $versions);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function createVersion(IUser $user, FileInfo $file) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$userFolder = $this->rootFolder->getUserFolder($user->getUID());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$relativePath = $userFolder->getRelativePath($file->getPath());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$userView = new View('/' . $user->getUID()); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// create all parent folders  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		Storage::createMissingDirectories($relativePath, $userView);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		Storage::scheduleExpire($user->getUID(), $relativePath);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// store a new version of a file  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$userView->copy('files/' . $relativePath, 'files_versions/' . $relativePath . '.v' . $file->getMtime()); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// ensure the file is scanned  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$userView->getFileInfo('files_versions/' . $relativePath . '.v' . $file->getMtime()); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function rollback(IVersion $version) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return Storage::rollback($version->getVersionPath(), $version->getRevisionId());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	private function getVersionFolder(IUser $user): Folder { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$userRoot = $this->rootFolder->getUserFolder($user->getUID())  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			->getParent();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		try { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			/** @var Folder $folder */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			$folder = $userRoot->get('files_versions'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return $folder;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		} catch (NotFoundException $e) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return $userRoot->newFolder('files_versions'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function read(IVersion $version) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$versions = $this->getVersionFolder($version->getUser());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		/** @var File $file */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file = $versions->get($version->getVersionPath() . '.v' . $version->getRevisionId());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $file->fopen('r'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getVersionFile(IUser $user, FileInfo $sourceFile, int $revision): File { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$userFolder = $this->rootFolder->getUserFolder($user->getUID());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$versionFolder = $this->getVersionFolder($user);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		/** @var File $file */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file = $versionFolder->get($userFolder->getRelativePath($sourceFile->getPath()) . '.v' . $revision);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $file;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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