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<?php |
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/** |
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* @author Victor Dubiniuk <[email protected]> |
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* |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OC\Core\Controller; |
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use OCP\AppFramework\Controller; |
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use OCP\AppFramework\Http\JSONResponse; |
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use OC\Console\Application; |
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use OCP\IConfig; |
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use OCP\IRequest; |
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use Symfony\Component\Console\Input\ArrayInput; |
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use Symfony\Component\Console\Output\BufferedOutput; |
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class OccController extends Controller { |
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/** @var array */ |
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private $allowedCommands = [ |
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'app:disable', |
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'app:enable', |
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'app:getpath', |
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'app:list', |
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'check', |
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'config:list', |
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'maintenance:mode', |
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'status', |
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'upgrade' |
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]; |
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/** @var IConfig */ |
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private $config; |
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/** @var Application */ |
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private $console; |
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/** |
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* OccController constructor. |
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* |
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* @param string $appName |
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* @param IRequest $request |
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* @param IConfig $config |
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* @param Application $console |
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*/ |
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public function __construct($appName, IRequest $request, |
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IConfig $config, Application $console) { |
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parent::__construct($appName, $request); |
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$this->config = $config; |
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$this->console = $console; |
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} |
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/** |
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* @PublicPage |
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* @NoCSRFRequired |
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* |
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* Execute occ command |
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* Sample request |
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* POST http://domain.tld/index.php/occ/status', |
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* { |
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* 'params': { |
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* '--no-warnings':'1', |
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* '--output':'json' |
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* }, |
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* 'token': 'someToken' |
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* } |
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* |
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* @param string $command |
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* @param string $token |
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* @param array $params |
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* |
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* @return JSONResponse |
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* @throws \Exception |
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*/ |
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public function execute($command, $token, $params = []) { |
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try { |
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$this->validateRequest($command, $token); |
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$output = new BufferedOutput(); |
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$formatter = $output->getFormatter(); |
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$formatter->setDecorated(false); |
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$this->console->setAutoExit(false); |
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$this->console->loadCommands(new ArrayInput([]), $output); |
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$inputArray = array_merge(['command' => $command], $params); |
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$input = new ArrayInput($inputArray); |
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$exitCode = $this->console->run($input, $output); |
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$response = $output->fetch(); |
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$json = [ |
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'exitCode' => $exitCode, |
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'response' => $response |
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]; |
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} catch (\UnexpectedValueException $e){ |
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$json = [ |
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'exitCode' => 126, |
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'response' => 'Not allowed', |
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'details' => $e->getMessage() |
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]; |
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} |
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return new JSONResponse($json); |
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} |
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/** |
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* Check if command is allowed and has a valid security token |
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* @param $command |
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* @param $token |
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*/ |
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protected function validateRequest($command, $token){ |
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if (!in_array($this->request->getRemoteAddress(), ['::1', '127.0.0.1', 'localhost'])) { |
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throw new \UnexpectedValueException('Web executor is not allowed to run from a different host'); |
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} |
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if (!in_array($command, $this->allowedCommands)) { |
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throw new \UnexpectedValueException(sprintf('Command "%s" is not allowed to run via web request', $command)); |
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} |
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$coreToken = $this->config->getSystemValue('updater.secret', ''); |
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if ($coreToken === '') { |
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throw new \UnexpectedValueException( |
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'updater.secret is undefined in config/config.php. Either browse the admin settings in your ownCloud and click "Open updater" or define a strong secret using <pre>php -r \'echo password_hash("MyStrongSecretDoUseYourOwn!", PASSWORD_DEFAULT)."\n";\'</pre> and set this in the config.php.' |
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); |
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} |
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if (!password_verify($token, $coreToken)) { |
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throw new \UnexpectedValueException( |
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'updater.secret does not match the provided token' |
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); |
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} |
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} |
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} |
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nextcloud /
server
