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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) 2015, 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 Owncloud\Updater\Controller; |
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use League\Plates\Extension\URI; |
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use Owncloud\Updater\Utils\ConfigReader; |
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use Symfony\Component\Console\Input\StringInput; |
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use Symfony\Component\Console\Output\BufferedOutput; |
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use Owncloud\Updater\Formatter\HtmlOutputFormatter; |
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use Owncloud\Updater\Http\Request; |
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use League\Plates\Engine; |
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use League\Plates\Extension\Asset; |
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class IndexController { |
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/** @var \Pimple\Container */ |
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protected $container; |
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/** @var Request */ |
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protected $request; |
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/** @var string $command */ |
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protected $command; |
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public function __construct(\Pimple\Container $container, $request = null){ |
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$this->container = $container; |
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if (is_null($request)){ |
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$this->request = new Request(['post' => $_POST, 'headers' => $_SERVER]); |
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} else { |
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$this->request = $request; |
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} |
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$this->command = $this->request->postParameter('command'); |
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} |
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public function dispatch() { |
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// strip index.php and query string (if any) to get a real base url |
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$baseUrl = preg_replace('/(index\.php.*|\?.*)$/', '', $_SERVER['REQUEST_URI']); |
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$templates = new Engine(CURRENT_DIR . '/src/Resources/views/'); |
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$templates->loadExtension(new Asset(CURRENT_DIR . '/pub/', false)); |
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$templates->loadExtension(new URI($baseUrl)); |
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// Check if the user is logged-in |
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if(!$this->isLoggedIn()) { |
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return $this->showLogin($templates); |
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} |
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if (is_null($this->command)){ |
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$checkpoints = $this->container['utils.checkpoint']->getAll(); |
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$content = $templates->render( |
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'partials/inner', |
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[ |
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'title' => 'Updater', |
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'version' => $this->container['application']->getVersion(), |
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'checkpoints' => $checkpoints |
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] |
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); |
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} else { |
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header('Content-Type: application/json'); |
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$content = json_encode($this->ajaxAction(), JSON_UNESCAPED_SLASHES); |
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} |
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return $content; |
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} |
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protected function isLoggedIn() { |
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/** @var ConfigReader $configReader */ |
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$configReader = $this->container['utils.configReader']; |
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$configReader->init(); |
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$storedSecret = isset($configReader->get(['system'])['updater.secret']) ? $configReader->get(['system'])['updater.secret'] : null; |
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if(is_null($storedSecret)) { |
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die('updater.secret is undefined in config/config.php. Please define a secret.'); |
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} |
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$sentAuthHeader = ($this->request->header('Authorization') !== null) ? $this->request->header('Authorization') : ''; |
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if(hash_equals($storedSecret, $sentAuthHeader)) { |
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return true; |
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} |
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return false; |
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} |
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public function showLogin(Engine $templates) { |
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// If it is a request with invalid token just return "false" so that we can catch this |
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$token = ($this->request->header('Authorization') !== null) ? $this->request->header('Authorization') : ''; |
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if($token !== '') { |
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return 'false'; |
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} |
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$content = $templates->render( |
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'partials/login', |
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[ |
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'title' => 'Login Required', |
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] |
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); |
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return $content; |
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} |
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public function ajaxAction() { |
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$application = $this->container['application']; |
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$input = new StringInput($this->command); |
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$input->setInteractive(false); |
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$output = new BufferedOutput(); |
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$formatter = $output->getFormatter(); |
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$formatter->setDecorated(true); |
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$output->setFormatter(new HtmlOutputFormatter($formatter)); |
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$application->setAutoExit(false); |
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// Some commands dump things out instead of returning a value |
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ob_start(); |
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$errorCode = $application->run($input, $output); |
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if (!$result = $output->fetch()){ |
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$result = ob_get_contents(); // If empty, replace it by the catched output |
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} |
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ob_end_clean(); |
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$result = nl2br($result); |
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$result = preg_replace('|<br />\r.*<br />(\r.*?)<br />|', '$1<br />', $result); |
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return [ |
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'input' => $this->command, |
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'output' => $result, |
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'environment' => '', |
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'error_code' => $errorCode |
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]; |
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} |
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} |
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owncloud /
updater
If an expression can have both
false, andnullas possible values. It is generally a good practice to always use strict comparison to clearly distinguish between those two values.