144 lines
3.8 KiB
PHP
144 lines
3.8 KiB
PHP
<?php
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/**
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* @author Björn Schießle <schiessle@owncloud.com>
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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 OCA\FederatedFileSharing;
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use OCP\Http\Client\IClientService;
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class Notifications {
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const BASE_PATH_TO_SHARE_API = '/ocs/v1.php/cloud/shares';
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const RESPONSE_FORMAT = 'json'; // default response format for ocs calls
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/** @var AddressHandler */
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private $addressHandler;
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/** @var IClientService */
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private $httpClientService;
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/**
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* Notifications constructor.
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*
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* @param AddressHandler $addressHandler
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* @param IClientService $httpClientService
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*/
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public function __construct(
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AddressHandler $addressHandler,
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IClientService $httpClientService
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) {
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$this->addressHandler = $addressHandler;
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$this->httpClientService = $httpClientService;
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}
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/**
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* send server-to-server share to remote server
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*
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* @param string $token
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* @param string $shareWith
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* @param string $name
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* @param int $remote_id
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* @param string $owner
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* @return bool
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*/
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public function sendRemoteShare($token, $shareWith, $name, $remote_id, $owner) {
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list($user, $remote) = $this->addressHandler->splitUserRemote($shareWith);
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if ($user && $remote) {
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$url = $remote . self::BASE_PATH_TO_SHARE_API . '?format=' . self::RESPONSE_FORMAT;
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$local = $this->addressHandler->generateRemoteURL();
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$fields = array(
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'shareWith' => $user,
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'token' => $token,
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'name' => $name,
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'remoteId' => $remote_id,
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'owner' => $owner,
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'remote' => $local,
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);
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$url = $this->addressHandler->removeProtocolFromUrl($url);
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$result = $this->tryHttpPost($url, $fields);
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$status = json_decode($result['result'], true);
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if ($result['success'] && $status['ocs']['meta']['statuscode'] === 100) {
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\OC_Hook::emit('OCP\Share', 'federated_share_added', ['server' => $remote]);
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return true;
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}
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}
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return false;
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}
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/**
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* send server-to-server unshare to remote server
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*
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* @param string $remote url
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* @param int $id share id
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* @param string $token
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* @return bool
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*/
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public function sendRemoteUnShare($remote, $id, $token) {
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$url = rtrim($remote, '/') . self::BASE_PATH_TO_SHARE_API . '/' . $id . '/unshare?format=' . self::RESPONSE_FORMAT;
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$fields = array('token' => $token, 'format' => 'json');
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$url = $this->addressHandler->removeProtocolFromUrl($url);
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$result = $this->tryHttpPost($url, $fields);
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$status = json_decode($result['result'], true);
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return ($result['success'] && $status['ocs']['meta']['statuscode'] === 100);
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}
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/**
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* try http post first with https and then with http as a fallback
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*
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* @param string $url
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* @param array $fields post parameters
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* @return array
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*/
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private function tryHttpPost($url, array $fields) {
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$client = $this->httpClientService->newClient();
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$protocol = 'https://';
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$result = [
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'success' => false,
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'result' => '',
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];
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$try = 0;
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while ($result['success'] === false && $try < 2) {
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try {
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$response = $client->post($protocol . $url, [
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'body' => $fields
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]);
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$result['result'] = $response->getBody();
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$result['success'] = true;
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break;
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} catch (\Exception $e) {
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$try++;
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$protocol = 'http://';
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}
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}
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return $result;
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}
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}
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