owncloud/core

<?php
/**
 * @author Bernhard Posselt <dev@bernhard-posselt.com>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @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\App;

use OCP\IConfig;

/**
 * Class Platform
 *
 * This class basically abstracts any kind of information which can be retrieved from the underlying system.
 *
 * @package OC\App
 */
class Platform {
    /** @var IConfig */
    private $config;

    /**
     * @param IConfig $config
     */
    public function __construct(IConfig $config) {
        $this->config = $config;
    }

    /**
     * @return string
     */
    public function getPhpVersion() {
        return \phpversion();
    }

    /**
     * @return int
     */
    public function getIntSize() {
        return PHP_INT_SIZE;
    }

    /**
     * @return string
     */
    public function getOcVersion() {
        $v = \OCP\Util::getVersion();
        return \join('.', $v);
    }

    /**
     * @return string
     */
    public function getDatabase() {
        $dbType = $this->config->getSystemValue('dbtype', 'sqlite');
        if ($dbType === 'sqlite3') {
            $dbType = 'sqlite';
        }

        return $dbType;
    }

    /**
     * @return string
     */
    public function getOS() {
        return \php_uname('s');
    }

    /**
     * @param $command
     * @return bool
     */
    public function isCommandKnown($command) {
        $path = \OC_Helper::findBinaryPath($command);
        return ($path !== null);
    }

    public function getLibraryVersion($name) {
        $repo = new PlatformRepository();
        $lib = $repo->findLibrary($name);
        return $lib;
    }
}