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119 lines
3.2 KiB
119 lines
3.2 KiB
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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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\Updater;
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use OC_Util;
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use OCP\Http\Client\IClientService;
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use OCP\IConfig;
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use OC\Setup;
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use OCP\Util;
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class VersionCheck {
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/** @var IClientService */
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private $clientService;
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/** @var IConfig */
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private $config;
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/**
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* @param IClientService $clientService
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* @param IConfig $config
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*/
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public function __construct(IClientService $clientService,
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IConfig $config) {
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$this->clientService = $clientService;
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$this->config = $config;
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}
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/**
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* Check if a new version is available
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*
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* @return array|bool
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*/
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public function check() {
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// Look up the cache - it is invalidated all 30 minutes
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if (((int)$this->config->getAppValue('core', 'lastupdatedat') + 1800) > time()) {
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return json_decode($this->config->getAppValue('core', 'lastupdateResult'), true);
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}
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$updaterUrl = $this->config->getSystemValue('updater.server.url', 'https://updates.nextcloud.com/update-server/');
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$this->config->setAppValue('core', 'lastupdatedat', time());
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if ($this->config->getAppValue('core', 'installedat', '') === '') {
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$this->config->setAppValue('core', 'installedat', microtime(true));
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}
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$version = Util::getVersion();
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$version['installed'] = $this->config->getAppValue('core', 'installedat');
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$version['updated'] = $this->config->getAppValue('core', 'lastupdatedat');
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$version['updatechannel'] = \OC_Util::getChannel();
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$version['edition'] = '';
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$version['build'] = \OC_Util::getBuild();
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$versionString = implode('x', $version);
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//fetch xml data from updater
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$url = $updaterUrl . '?version=' . $versionString;
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$tmp = [];
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$xml = $this->getUrlContent($url);
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if ($xml) {
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$loadEntities = libxml_disable_entity_loader(true);
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$data = @simplexml_load_string($xml);
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libxml_disable_entity_loader($loadEntities);
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if ($data !== false) {
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$tmp['version'] = (string)$data->version;
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$tmp['versionstring'] = (string)$data->versionstring;
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$tmp['url'] = (string)$data->url;
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$tmp['web'] = (string)$data->web;
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} else {
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libxml_clear_errors();
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}
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} else {
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$data = [];
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}
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// Cache the result
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$this->config->setAppValue('core', 'lastupdateResult', json_encode($data));
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return $tmp;
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}
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/**
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* @codeCoverageIgnore
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* @param string $url
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* @return bool|resource|string
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*/
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protected function getUrlContent($url) {
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try {
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$client = $this->clientService->newClient();
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$response = $client->get($url);
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return $response->getBody();
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} catch (\Exception $e) {
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return false;
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}
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}
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}
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