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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Copyright (c) 2014 Victor Dubiniuk <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is licensed under the Affero General Public License version 3 or  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * later.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * See the COPYING-README file.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace OCA\Files_Antivirus\Scanner;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class External extends \OCA\Files_Antivirus\Scanner { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// Daemon/socket mode  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $useSocket;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function __construct($config){ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->appConfig = $config;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->useSocket = $this->appConfig->getAvMode() === 'socket';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function initScanner(){ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		parent::initScanner();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($this->useSocket){ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$avSocket = $this->appConfig->getAvSocket();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->writeHandle = stream_socket_client('unix://' . $avSocket, $errno, $errstr, 5); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if (!$this->getWriteHandle()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				throw new \RuntimeException('Cannot connect to "' . $avSocket . '": ' . $errstr . ' (code ' . $errno . ')'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$avHost = $this->appConfig->getAvHost();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$avPort = $this->appConfig->getAvPort();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->writeHandle = ($avHost && $avPort) ? @fsockopen($avHost, $avPort) : false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if (!$this->getWriteHandle()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				throw new \RuntimeException('The clamav module is not configured for daemon mode.'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// request scan from the daemon  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		@fwrite($this->getWriteHandle(), "nINSTREAM\n");  | 
            
                            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected function shutdownScanner(){ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		@fwrite($this->getWriteHandle(), pack('N', 0)); | 
            
                            
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                		$response = fgets($this->getWriteHandle());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		\OC::$server->getLogger()->debug(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'Response :: ' . $response,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			['app' => 'files_antivirus']  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		@fclose($this->getWriteHandle());  | 
            
                            
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                		$this->status->parseResponse($response);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected function prepareChunk($data){ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$chunkLength = pack('N', strlen($data)); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                		return $chunkLength . $data;  | 
            
            
                                                        
            
                                    
            
            
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                	}  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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If you suppress an error, we recommend checking for the error condition explicitly: