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Diffstat (limited to 'apps/federatedfilesharing/lib/DiscoveryManager.php')
| -rw-r--r-- | apps/federatedfilesharing/lib/DiscoveryManager.php | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/apps/federatedfilesharing/lib/DiscoveryManager.php b/apps/federatedfilesharing/lib/DiscoveryManager.php deleted file mode 100644 index 8c8c72dbd66..00000000000 --- a/apps/federatedfilesharing/lib/DiscoveryManager.php +++ /dev/null @@ -1,143 +0,0 @@ -<?php -/** - * @copyright Copyright (c) 2016, ownCloud, Inc. - * - * @author Bjoern Schiessle <bjoern@schiessle.org> - * @author Joas Schilling <coding@schilljs.com> - * @author Lukas Reschke <lukas@statuscode.ch> - * @author Vincent Petry <pvince81@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 OCA\FederatedFileSharing; - -use GuzzleHttp\Exception\ClientException; -use GuzzleHttp\Exception\ConnectException; -use OCP\Http\Client\IClient; -use OCP\Http\Client\IClientService; -use OCP\ICache; -use OCP\ICacheFactory; - -/** - * Class DiscoveryManager handles the discovery of endpoints used by Federated - * Cloud Sharing. - * - * @package OCA\FederatedFileSharing - */ -class DiscoveryManager { - /** @var ICache */ - private $cache; - /** @var IClient */ - private $client; - - /** - * @param ICacheFactory $cacheFactory - * @param IClientService $clientService - */ - public function __construct(ICacheFactory $cacheFactory, - IClientService $clientService) { - $this->cache = $cacheFactory->create('ocs-discovery'); - $this->client = $clientService->newClient(); - } - - /** - * Returns whether the specified URL includes only safe characters, if not - * returns false - * - * @param string $url - * @return bool - */ - private function isSafeUrl($url) { - return (bool)preg_match('/^[\/\.A-Za-z0-9]+$/', $url); - } - - /** - * Discover the actual data and do some naive caching to ensure that the data - * is not requested multiple times. - * - * If no valid discovery data is found the Nextcloud defaults are returned. - * - * @param string $remote - * @return array - */ - private function discover($remote) { - // Check if something is in the cache - if($cacheData = $this->cache->get($remote)) { - return json_decode($cacheData, true); - } - - // Default response body - $discoveredServices = [ - 'webdav' => '/public.php/webdav', - 'share' => '/ocs/v1.php/cloud/shares', - ]; - - // Read the data from the response body - try { - $response = $this->client->get($remote . '/ocs-provider/', [ - 'timeout' => 10, - 'connect_timeout' => 10, - ]); - if($response->getStatusCode() === 200) { - $decodedService = json_decode($response->getBody(), true); - if(is_array($decodedService)) { - $endpoints = [ - 'webdav', - 'share', - ]; - - foreach($endpoints as $endpoint) { - if(isset($decodedService['services']['FEDERATED_SHARING']['endpoints'][$endpoint])) { - $endpointUrl = (string)$decodedService['services']['FEDERATED_SHARING']['endpoints'][$endpoint]; - if($this->isSafeUrl($endpointUrl)) { - $discoveredServices[$endpoint] = $endpointUrl; - } - } - } - } - } - } catch (ClientException $e) { - // Don't throw any exception since exceptions are handled before - } catch (ConnectException $e) { - // Don't throw any exception since exceptions are handled before - } - - // Write into cache - $this->cache->set($remote, json_encode($discoveredServices)); - return $discoveredServices; - } - - /** - * Return the public WebDAV endpoint used by the specified remote - * - * @param string $host - * @return string - */ - public function getWebDavEndpoint($host) { - return $this->discover($host)['webdav']; - } - - /** - * Return the sharing endpoint used by the specified remote - * - * @param string $host - * @return string - */ - public function getShareEndpoint($host) { - return $this->discover($host)['share']; - } -} |