src/Module/NodeInfo210.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Module;
  23
  24 use Friendica\BaseModule;
  25 use Friendica\Core\Addon;
  26 use Friendica\DI;
  27 use Friendica\Model\Nodeinfo;
  28
  29 /**
  30  * Version 1.0 of Nodeinfo 2, a sStandardized way of exposing metadata about a server running one of the distributed social networks.
  31  * @see https://github.com/jhass/nodeinfo/blob/master/PROTOCOL.md
  32  */
  33 class NodeInfo210 extends BaseModule
  34 {
  35         public static function rawContent(array $parameters = [])
  36         {
  37                 $config = DI::config();
  38
  39                 $imap = (function_exists('imap_open') && !$config->get('system', 'imap_disabled') && !$config->get('system', 'dfrn_only'));
  40
  41                 $nodeinfo = [
  42                         'version'           => '1.0',
  43                         'server'          => [
  44                                 'baseUrl'  => DI::baseUrl()->get(),
  45                                 'name'     => $config->get('config', 'sitename'),
  46                                 'software' => 'friendica',
  47                                 'version'  => FRIENDICA_VERSION . '-' . DB_UPDATE_VERSION,
  48                         ],
  49                         'organization'      => Nodeinfo::getOrganization($config),
  50                         'protocols'         => ['dfrn', 'activitypub'],
  51                         'services'          => [],
  52                         'openRegistrations' => intval($config->get('config', 'register_policy')) !== Register::CLOSED,
  53                         'usage'             => [],
  54                 ];
  55
  56                 if (!empty($config->get('system', 'diaspora_enabled'))) {
  57                         $nodeinfo['protocols'][] = 'diaspora';
  58                 }
  59
  60                 if (empty($config->get('system', 'ostatus_disabled'))) {
  61                         $nodeinfo['protocols'][] = 'ostatus';
  62                 }
  63
  64                 $nodeinfo['usage'] = Nodeinfo::getUsage(true);
  65
  66                 $nodeinfo['services'] = Nodeinfo::getServices();
  67
  68                 if (Addon::isEnabled('twitter')) {
  69                         $nodeinfo['services']['inbound'][] = 'twitter';
  70                 }
  71
  72                 $nodeinfo['services']['inbound'][]  = 'atom1.0';
  73                 $nodeinfo['services']['inbound'][]  = 'rss2.0';
  74                 $nodeinfo['services']['outbound'][] = 'atom1.0';
  75
  76                 if ($imap) {
  77                         $nodeinfo['services']['inbound'][] = 'imap';
  78                 }
  79
  80                 header('Content-type: application/json; charset=utf-8');
  81                 echo json_encode($nodeinfo, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
  82                 exit;
  83         }
  84 }