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| Direktori : /www/old2/_muzikoterapie/uloziste.eacm.cz/apps/files_external/3rdparty/icewind/smb/src/ | 
| Current File : /www/old2/_muzikoterapie/uloziste.eacm.cz/apps/files_external/3rdparty/icewind/smb/src/System.php | 
<?php
/**
 * Copyright (c) 2014 Robin Appelman <icewind@owncloud.com>
 * This file is licensed under the Licensed under the MIT license:
 * http://opensource.org/licenses/MIT
 */
namespace Icewind\SMB;
use Icewind\SMB\Exception\Exception;
class System implements ISystem {
	/** @var (string|null)[] */
	private $paths = [];
	/**
	 * Get the path to a file descriptor of the current process
	 *
	 * @param int $num the file descriptor id
	 * @return string
	 * @throws Exception
	 */
	public function getFD(int $num): string {
		$folders = [
			'/proc/self/fd',
			'/dev/fd'
		];
		foreach ($folders as $folder) {
			if (file_exists($folder)) {
				return $folder . '/' . $num;
			}
		}
		throw new Exception('Cant find file descriptor path');
	}
	public function getSmbclientPath(): ?string {
		return $this->getBinaryPath('smbclient');
	}
	public function getNetPath(): ?string {
		return $this->getBinaryPath('net');
	}
	public function getSmbcAclsPath(): ?string {
		return $this->getBinaryPath('smbcacls');
	}
	public function getStdBufPath(): ?string {
		return $this->getBinaryPath('stdbuf');
	}
	public function getDatePath(): ?string {
		return $this->getBinaryPath('date');
	}
	public function libSmbclientAvailable(): bool {
		return function_exists('smbclient_state_new');
	}
	protected function getBinaryPath(string $binary): ?string {
		if (!isset($this->paths[$binary])) {
			$result = null;
			$output = [];
			exec("which $binary 2>&1", $output, $result);
			$this->paths[$binary] = $result === 0 && isset($output[0]) ? (string)$output[0] : null;
		}
		return $this->paths[$binary];
	}
}