1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Joas Schilling <coding@schilljs.com>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @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 OC\Updater;
use OCP\Http\Client\IClientService;
use OCP\IConfig;
use OCP\Util;
class VersionCheck {
/** @var IClientService */
private $clientService;
/** @var IConfig */
private $config;
/**
* @param IClientService $clientService
* @param IConfig $config
*/
public function __construct(IClientService $clientService,
IConfig $config) {
$this->clientService = $clientService;
$this->config = $config;
}
/**
* Check if a new version is available
*
* @return array|bool
*/
public function check() {
// If this server is set to have no internet connection this is all not needed
if (!$this->config->getSystemValueBool('has_internet_connection', true)) {
return false;
}
// Look up the cache - it is invalidated all 30 minutes
if (((int)$this->config->getAppValue('core', 'lastupdatedat') + 1800) > time()) {
return json_decode($this->config->getAppValue('core', 'lastupdateResult'), true);
}
$updaterUrl = $this->config->getSystemValue('updater.server.url', 'https://updates.nextcloud.com/updater_server/');
$this->config->setAppValue('core', 'lastupdatedat', time());
if ($this->config->getAppValue('core', 'installedat', '') === '') {
$this->config->setAppValue('core', 'installedat', microtime(true));
}
$version = Util::getVersion();
$version['installed'] = $this->config->getAppValue('core', 'installedat');
$version['updated'] = $this->config->getAppValue('core', 'lastupdatedat');
$version['updatechannel'] = \OC_Util::getChannel();
$version['edition'] = '';
$version['build'] = \OC_Util::getBuild();
$version['php_major'] = PHP_MAJOR_VERSION;
$version['php_minor'] = PHP_MINOR_VERSION;
$version['php_release'] = PHP_RELEASE_VERSION;
$versionString = implode('x', $version);
//fetch xml data from updater
$url = $updaterUrl . '?version=' . $versionString;
$tmp = [];
try {
$xml = $this->getUrlContent($url);
} catch (\Exception $e) {
return false;
}
if ($xml) {
if (\LIBXML_VERSION < 20900) {
$loadEntities = libxml_disable_entity_loader(true);
$data = @simplexml_load_string($xml);
libxml_disable_entity_loader($loadEntities);
} else {
$data = @simplexml_load_string($xml);
}
if ($data !== false) {
$tmp['version'] = (string)$data->version;
$tmp['versionstring'] = (string)$data->versionstring;
$tmp['url'] = (string)$data->url;
$tmp['web'] = (string)$data->web;
$tmp['changes'] = isset($data->changes) ? (string)$data->changes : '';
$tmp['autoupdater'] = (string)$data->autoupdater;
$tmp['eol'] = isset($data->eol) ? (string)$data->eol : '0';
} else {
libxml_clear_errors();
}
}
// Cache the result
$this->config->setAppValue('core', 'lastupdateResult', json_encode($tmp));
return $tmp;
}
/**
* @codeCoverageIgnore
* @param string $url
* @return resource|string
* @throws \Exception
*/
protected function getUrlContent($url) {
$client = $this->clientService->newClient();
$response = $client->get($url);
return $response->getBody();
}
}
|
