class.ilVirusScannerFactory.php

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<?php

declare(strict_types=1);

class ilVirusScannerFactory
{
    public static function _getInstance(): ?ilVirusScanner
    {
        $vs = null;

        if (IL_VIRUS_SCANNER === "icap") {
            if (strlen(IL_ICAP_CLIENT) > 0) {
                $vs = new ilVirusScannerICapClient('', '');
            } else {
                $vs = new ilVirusScannerICapRemoteAvClient('', '');
            }
        } else {
            switch (IL_VIRUS_SCANNER) {
                case "Sophos":
                    $vs = new ilVirusScannerSophos(IL_VIRUS_SCAN_COMMAND, IL_VIRUS_CLEAN_COMMAND);
                    break;
                case "AntiVir":
                    global $DIC;
                    $DIC->logger()->root()->error('AntiVir is deprecated, please install and use a different virus scanner.');
                    $vs = new ilVirusScannerAntiVir(IL_VIRUS_SCAN_COMMAND, IL_VIRUS_CLEAN_COMMAND);
                    break;
                case "ClamAV":
                    $vs = new ilVirusScannerClamAV(IL_VIRUS_SCAN_COMMAND, IL_VIRUS_CLEAN_COMMAND);
                    break;
            }
        }
        return $vs;
    }
}