66 lines
1.4 KiB
PHP
66 lines
1.4 KiB
PHP
<?php
|
|
|
|
declare(strict_types = 1);
|
|
/**
|
|
* SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
|
|
* SPDX-License-Identifier: AGPL-3.0-or-later
|
|
*/
|
|
|
|
namespace OC;
|
|
|
|
use OCP\IBinaryFinder;
|
|
use OCP\ICache;
|
|
use OCP\ICacheFactory;
|
|
use OCP\IConfig;
|
|
use Symfony\Component\Process\ExecutableFinder;
|
|
|
|
/**
|
|
* Service that find the binary path for a program
|
|
*/
|
|
class BinaryFinder implements IBinaryFinder {
|
|
public const DEFAULT_BINARY_SEARCH_PATHS = [
|
|
'/usr/local/sbin',
|
|
'/usr/local/bin',
|
|
'/usr/sbin',
|
|
'/usr/bin',
|
|
'/sbin',
|
|
'/bin',
|
|
'/opt/bin',
|
|
];
|
|
private ICache $cache;
|
|
|
|
public function __construct(
|
|
ICacheFactory $cacheFactory,
|
|
private IConfig $config,
|
|
) {
|
|
$this->cache = $cacheFactory->createLocal('findBinaryPath');
|
|
}
|
|
|
|
/**
|
|
* Try to find a program
|
|
*
|
|
* @return false|string
|
|
*/
|
|
public function findBinaryPath(string $program) {
|
|
$result = $this->cache->get($program);
|
|
if ($result !== null) {
|
|
return $result;
|
|
}
|
|
$result = false;
|
|
if (\OCP\Util::isFunctionEnabled('exec')) {
|
|
$exeSniffer = new ExecutableFinder();
|
|
// Returns null if nothing is found
|
|
$result = $exeSniffer->find(
|
|
$program,
|
|
null,
|
|
$this->config->getSystemValue('binary_search_paths', self::DEFAULT_BINARY_SEARCH_PATHS));
|
|
if ($result === null) {
|
|
$result = false;
|
|
}
|
|
}
|
|
// store the value for 5 minutes
|
|
$this->cache->set($program, $result, 300);
|
|
return $result;
|
|
}
|
|
}
|