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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Joas Schilling <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Morris Jobke <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Robin Appelman <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Roeland Jago Douma <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Thomas Müller <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Vincent Petry <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright (c) 2018, ownCloud GmbH  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license AGPL-3.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This code 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, version 3,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * as published by the Free Software Foundation.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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, version 3,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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 OC\Files\Node;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\IPreviewNode;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\Files\NotPermittedException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\IImage;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Http\Message\StreamInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class File extends Node implements \OCP\Files\File, IPreviewNode { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Creates a Folder that represents a non-existing path  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $path path  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string non-existing node class  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected function createNonExistingNode($path) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return new NonExistingFile($this->root, $this->view, $path);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws \OCP\Files\NotPermittedException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getContent() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($this->checkPermissions(\OCP\Constants::PERMISSION_READ)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			 * @var \OC\Files\Storage\Storage $storage;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return $this->view->file_get_contents($this->path);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		throw new NotPermittedException();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $data  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws \OCP\Files\NotPermittedException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function putContent($data) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($this->checkPermissions(\OCP\Constants::PERMISSION_UPDATE)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->sendHooks(['preWrite']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->view->file_put_contents($this->path, $data);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->fileInfo = null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->sendHooks(['postWrite']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			throw new NotPermittedException();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $mode  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return resource  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws \OCP\Files\NotPermittedException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @deprecated 11.0.0  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function fopen($mode) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		throw new \BadMethodCallException('fopen is no longer allowed to be called'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                View Code Duplication | 
                	public function delete() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if (!$this->checkPermissions(\OCP\Constants::PERMISSION_DELETE)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			throw new NotPermittedException();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->sendHooks(['preDelete']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$fileInfo = $this->getFileInfo();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->view->unlink($this->path);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$nonExisting = new NonExistingFile($this->root, $this->view, $this->path, $fileInfo);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->root->emit('\OC\Files', 'postDelete', [$nonExisting]); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->exists = false;  | 
            
                            
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                		$this->fileInfo = null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $type  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param bool $raw  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function hash($type, $raw = false) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->view->hash($type, $this->path, $raw);  | 
            
                            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getChecksum() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->getFileInfo()->getChecksum();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param array $options  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return IImage  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @since 10.1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function getThumbnail($options) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$maxX = \array_key_exists('x', $options) ? (int)$options['x'] : 32; | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$maxY = \array_key_exists('y', $options) ? (int)$options['y'] : 32; | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$scalingUp = \array_key_exists('scalingup', $options) ? (bool)$options['scalingup'] : true; | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$keepAspect = \array_key_exists('a', $options) ? true : false; | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$mode = \array_key_exists('mode', $options) ? $options['mode'] : 'fill'; | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$preview = new \OC\Preview();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$preview->setFile($this);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$preview->setMaxX($maxX);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 | 
                                    
                                                     | 
                
                 | 
                		$preview->setMaxY($maxY);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                		$preview->setScalingUp($scalingUp);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                		$preview->setMode($mode);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                		$preview->setKeepAspect($keepAspect);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                		if (\array_key_exists('mimeType', $options)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                			$preview->setMimetype($options['mimeType']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                		return $preview->getPreview();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                	 * @param array $options  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                	 * @return StreamInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                	 * @since 11.0.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                	public function readFile(array $options = []): StreamInterface { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                		if (!$this->checkPermissions(\OCP\Constants::PERMISSION_READ)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                			throw new NotPermittedException();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                		return $this->view->readFile($this->path, $options);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                	 * @param StreamInterface $stream  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                	 * @return int  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                	 * @since 11.0.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                	public function writeFile(StreamInterface $stream): int { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                		if (!$this->checkPermissions(\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_READ)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                			throw new NotPermittedException();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                		$this->sendHooks(['preWrite']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                		$count = $this->view->writeFile($this->path, $stream);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                		$this->sendHooks(['postWrite']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                		return $count;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: