VirusScannerPreProcessor.php

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<?php
 
namespace ILIAS\FileUpload\Processor;
 
use ILIAS\Filesystem\Stream\FileStream;
use ILIAS\FileUpload\DTO\Metadata;
use ILIAS\FileUpload\DTO\ProcessingStatus;
use Psr\Http\Message\StreamInterface;
 
final class VirusScannerPreProcessor implements PreProcessor
{
 
    protected $scanner;
 
 
    public function __construct(\ilVirusScanner $scanner)
    {
        $this->scanner = $scanner;
    }
 
 
    public function process(FileStream $stream, Metadata $metadata)
    {
        // $stream->rewind();
        $uri = $stream->getMetadata()["uri"];
        // chmod($uri, 0755); // we must find a way e.g. ClamAV can read the file
        if ($this->scanner->scanFile($uri) !== "") {
            return new ProcessingStatus(ProcessingStatus::REJECTED, 'Virus detected.');
        }
 
        return new ProcessingStatus(ProcessingStatus::OK, 'No Virus detected.');
    }
}