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<?php namespace Sunspikes\ClamavValidator; |
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use Illuminate\Validation\Validator; |
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use Xenolope\Quahog\Client; |
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use Socket\Raw\Factory; |
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use Symfony\Component\HttpFoundation\File\UploadedFile; |
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class ClamavValidator extends Validator |
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{ |
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/** |
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* @const string CLAMAV_STATUS_OK |
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*/ |
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const CLAMAV_STATUS_OK = 'OK'; |
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/** |
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* @const string CLAMAV_STATUS_ERROR |
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*/ |
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const CLAMAV_STATUS_ERROR = 'ERROR'; |
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/** |
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* @const string CLAMAV_UNIX_SOCKET |
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*/ |
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const CLAMAV_UNIX_SOCKET = '/var/run/clamav/clamd.ctl'; |
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/** |
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* @const string CLAMAV_LOCAL_TCP_SOCKET |
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*/ |
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const CLAMAV_LOCAL_TCP_SOCKET = 'tcp://127.0.0.1:3310'; |
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/** |
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* @const string CLAMAV_SOCKET_READ_TIMEOUT |
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*/ |
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const CLAMAV_SOCKET_READ_TIMEOUT = 30; |
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/** |
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* Creates a new instance of ClamavValidator |
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*/ |
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public function __construct( |
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Translator $translator, |
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array $data, |
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array $rules, |
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array $messages = [], |
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array $customAttributes = [] |
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) { |
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parent::__construct($translator, $data, $rules, $messages, $customAttributes); |
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} |
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/** |
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* Validate the uploaded file for virus/malware with ClamAV |
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* |
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* @param $attribute string |
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* @param $value mixed |
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* @param $parameters array |
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* |
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* @return boolean |
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* @throws ClamavValidatorException |
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*/ |
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public function validateClamav($attribute, $value, $parameters) |
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{ |
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$file = $this->getFilePath($value); |
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$clamavSocket = $this->getClamavSocket(); |
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// Create a new socket instance |
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$socket = (new Factory())->createClient($clamavSocket); |
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// Create a new instance of the Client |
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$quahog = new Client($socket, self::CLAMAV_SOCKET_READ_TIMEOUT, PHP_NORMAL_READ); |
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// Scan the file |
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$result = $quahog->scanFile($file); |
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if (self::CLAMAV_STATUS_ERROR === $result['status']) { |
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throw new ClamavValidatorException($result['reason']); |
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} |
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// Check if scan result is not clean |
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return !(self::CLAMAV_STATUS_OK !== $result['status']); |
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} |
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/** |
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* Guess the ClamAV socket |
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* |
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* @return string |
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*/ |
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protected function getClamavSocket() |
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{ |
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if (file_exists(env('CLAMAV_UNIX_SOCKET', self::CLAMAV_UNIX_SOCKET))) { |
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return 'unix://' . env('CLAMAV_UNIX_SOCKET', self::CLAMAV_UNIX_SOCKET); |
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} |
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return env('CLAMAV_TCP_SOCKET', self::CLAMAV_LOCAL_TCP_SOCKET); |
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} |
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/** |
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* Return the file path from the passed object |
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* |
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* @param $file mixed |
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* @return string |
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*/ |
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protected function getFilePath($file) |
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{ |
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// if were passed an instance of UploadedFile, return the path |
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if ($file instanceof UploadedFile) { |
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return $file->getPathname(); |
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} |
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// if we're passed a PHP file upload array, return the "tmp_name" |
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if (is_array($file) && null !== array_get($file, 'tmp_name')) { |
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return $file['tmp_name']; |
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} |
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// fallback: we were likely passed a path already |
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return $file; |
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} |
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} |
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sunspikes /
clamav-validator
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.