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<?php declare(strict_types=1);
/**
* @copyright Copyright (c) 2020 Robin Appelman <robin@icewind.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Files_Antivirus\Scanner;
use OCA\Files_Antivirus\AppConfig;
use OCA\Files_Antivirus\Status;
use OCA\Files_Antivirus\StatusFactory;
use OCP\Http\Client\IClientService;
use OCP\ILogger;
class ExternalKaspersky extends ScannerBase {
/** @var IClientService IClientService */
private $clientService;
private $chunkSize;
public function __construct(AppConfig $config, ILogger $logger, StatusFactory $statusFactory, IClientService $clientService) {
parent::__construct($config, $logger, $statusFactory);
$this->clientService = $clientService;
$this->chunkSize = 10 * 1024 * 1024;
}
public function initScanner() {
parent::initScanner();
$avHost = $this->appConfig->getAvHost();
$avPort = $this->appConfig->getAvPort();
if (!($avHost && $avPort)) {
throw new \RuntimeException('The Kaspersky port and host are not set up.');
}
$this->writeHandle = fopen("php://temp", 'w+');
}
protected function writeChunk($chunk) {
if (ftell($this->writeHandle) > $this->chunkSize) {
$this->scanBuffer();
$this->writeHandle = fopen("php://temp", 'w+');
}
parent::writeChunk($chunk);
}
protected function scanBuffer() {
rewind($this->writeHandle);
$avHost = $this->appConfig->getAvHost();
$avPort = $this->appConfig->getAvPort();
$response = $this->clientService->newClient()->post("$avHost:$avPort/scanmemory", [
'body' => $this->writeHandle,
'headers' => [
'X-KAV-Timeout' => '60000',
'X-KAV-ProtocolVersion' => '1',
],
'connect_timeout' => 5,
])->getBody();
$this->logger->debug(
'Response :: ' . $response,
['app' => 'files_antivirus']
);
if (trim($response) === 'CLEAN' && $this->status->getNumericStatus() == Status::SCANRESULT_CLEAN) {
$this->status->setNumericStatus(Status::SCANRESULT_CLEAN);
} else if (substr($response, 0, 11) === 'NON_SCANNED' && $this->status->getNumericStatus() != Status::SCANRESULT_INFECTED) {
$this->status->setNumericStatus(Status::SCANRESULT_UNCHECKED);
$this->status->setDetails($response);
} else {
$this->status->setNumericStatus(Status::SCANRESULT_INFECTED);
if (strpos($response, "DETECT ") === 0) {
$response = substr($response, 7);
}
$this->status->setDetails($response);
}
}
protected function shutdownScanner() {
$this->scanBuffer();
}
}
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