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ef7e857881
This feature is important for nextcloud running on distributions like NixOS, where all the standard search paths do not exist. Also added tests. This fixes issue #43922 Co-authored-by: Daniel <mail@danielkesselberg.de> Signed-off-by: Reno Reckling <e-github@wthack.de>
65 lines
1.4 KiB
PHP
65 lines
1.4 KiB
PHP
<?php
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declare(strict_types = 1);
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/**
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* SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC;
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use OCP\IBinaryFinder;
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use OCP\ICache;
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use OCP\ICacheFactory;
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use OCP\IConfig;
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use Symfony\Component\Process\ExecutableFinder;
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/**
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* Service that find the binary path for a program
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*/
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class BinaryFinder implements IBinaryFinder {
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public const DEFAULT_BINARY_SEARCH_PATHS = [
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'/usr/local/sbin',
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'/usr/local/bin',
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'/usr/sbin',
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'/usr/bin',
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'/sbin',
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'/bin',
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'/opt/bin',
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];
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private ICache $cache;
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public function __construct(
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ICacheFactory $cacheFactory,
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private IConfig $config,
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) {
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$this->cache = $cacheFactory->createLocal('findBinaryPath');
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}
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/**
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* Try to find a program
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*
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* @return false|string
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*/
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public function findBinaryPath(string $program) {
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$result = $this->cache->get($program);
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if ($result !== null) {
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return $result;
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}
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$result = false;
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if (\OCP\Util::isFunctionEnabled('exec')) {
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$exeSniffer = new ExecutableFinder();
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// Returns null if nothing is found
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$result = $exeSniffer->find(
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$program,
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null,
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$this->config->getSystemValue('binary_search_paths', self::DEFAULT_BINARY_SEARCH_PATHS));
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if ($result === null) {
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$result = false;
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}
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}
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// store the value for 5 minutes
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$this->cache->set($program, $result, 300);
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return $result;
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}
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}
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