src/Module/NodeInfo110.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   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\Core\System;
  27 use Friendica\DI;
  28 use Friendica\Model\Nodeinfo;
  29
  30 /**
  31  * Version 1.0 of Nodeinfo, a standardized way of exposing metadata about a server running one of the distributed social networks.
  32  * @see https://github.com/jhass/nodeinfo/blob/master/PROTOCOL.md
  33  */
  34 class NodeInfo110 extends BaseModule
  35 {
  36         public static function rawContent(array $parameters = [])
  37         {
  38                 $config = DI::config();
  39
  40                 $nodeinfo = [
  41                         'version'           => '1.0',
  42                         'software'          => [
  43                                 'name'    => 'friendica',
  44                                 'version' => FRIENDICA_VERSION . '-' . DB_UPDATE_VERSION,
  45                         ],
  46                         'protocols'         => [
  47                                 'inbound'  => [
  48                                         'friendica'
  49                                 ],
  50                                 'outbound' => [
  51                                         'friendica'
  52                                 ],
  53                         ],
  54                         'services'          => [],
  55                         'usage'             => [],
  56                         'openRegistrations' => intval($config->get('config', 'register_policy')) !== Register::CLOSED,
  57                         'metadata'          => [
  58                                 'nodeName' => $config->get('config', 'sitename'),
  59                         ],
  60                 ];
  61
  62                 if (!empty($config->get('system', 'diaspora_enabled'))) {
  63                         $nodeinfo['protocols']['inbound'][] = 'diaspora';
  64                         $nodeinfo['protocols']['outbound'][] = 'diaspora';
  65                 }
  66
  67                 if (empty($config->get('system', 'ostatus_disabled'))) {
  68                         $nodeinfo['protocols']['inbound'][] = 'gnusocial';
  69                         $nodeinfo['protocols']['outbound'][] = 'gnusocial';
  70                 }
  71
  72                 $nodeinfo['usage'] = Nodeinfo::getUsage();
  73
  74                 $nodeinfo['services'] = Nodeinfo::getServices();
  75
  76                 $nodeinfo['metadata']['protocols'] = $nodeinfo['protocols'];
  77                 $nodeinfo['metadata']['protocols']['outbound'][] = 'atom1.0';
  78                 $nodeinfo['metadata']['protocols']['inbound'][] = 'atom1.0';
  79                 $nodeinfo['metadata']['protocols']['inbound'][] = 'rss2.0';
  80
  81                 $nodeinfo['metadata']['services'] = $nodeinfo['services'];
  82
  83                 if (Addon::isEnabled('twitter')) {
  84                         $nodeinfo['metadata']['services']['inbound'][] = 'twitter';
  85                 }
  86
  87                 $nodeinfo['metadata']['explicitContent'] = $config->get('system', 'explicit_content', false) == true;
  88
  89                 System::jsonExit($nodeinfo, 'application/json; charset=utf-8', JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
  90         }
  91 }