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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Victor Dubiniuk <dubiniuk@owncloud.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\IntegrityCheck\Helpers;
/**
* Class FileAccessHelper provides a helper around file_get_contents and
* file_put_contents
*
* @package OC\IntegrityCheck\Helpers
*/
class FileAccessHelper {
/**
* Wrapper around file_get_contents($filename, $data)
*
* @param string $filename
* @return string|false
*/
public function file_get_contents(string $filename) {
return file_get_contents($filename);
}
/**
* Wrapper around file_exists($filename)
*
* @param string $filename
* @return bool
*/
public function file_exists(string $filename): bool {
return file_exists($filename);
}
/**
* Wrapper around file_put_contents($filename, $data)
*
* @param string $filename
* @param string $data
* @return int
* @throws \Exception
*/
public function file_put_contents(string $filename, string $data): int {
$bytesWritten = @file_put_contents($filename, $data);
if ($bytesWritten === false || $bytesWritten !== \strlen($data)) {
throw new \Exception('Failed to write into ' . $filename);
}
return $bytesWritten;
}
/**
* @param string $path
* @return bool
*/
public function is_writable(string $path): bool {
return is_writable($path);
}
/**
* @param string $path
* @throws \Exception
*/
public function assertDirectoryExists(string $path) {
if (!is_dir($path)) {
throw new \Exception('Directory ' . $path . ' does not exist.');
}
}
}
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