src/Module/NodeInfo110.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, a standardized 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 NodeInfo110 extends BaseModule
  34 {
  35         public static function rawContent(array $parameters = [])
  36         {
  37                 $config = DI::config();
  38
  39                 $nodeinfo = [
  40                         'version'           => '1.0',
  41                         'software'          => [
  42                                 'name'    => 'friendica',
  43                                 'version' => FRIENDICA_VERSION . '-' . DB_UPDATE_VERSION,
  44                         ],
  45                         'protocols'         => [
  46                                 'inbound'  => [
  47                                         'friendica'
  48                                 ],
  49                                 'outbound' => [
  50                                         'friendica'
  51                                 ],
  52                         ],
  53                         'services'          => [],
  54                         'usage'             => [],
  55                         'openRegistrations' => intval($config->get('config', 'register_policy')) !== Register::CLOSED,
  56                         'metadata'          => [
  57                                 'nodeName' => $config->get('config', 'sitename'),
  58                         ],
  59                 ];
  60
  61                 if (!empty($config->get('system', 'diaspora_enabled'))) {
  62                         $nodeinfo['protocols']['inbound'][] = 'diaspora';
  63                         $nodeinfo['protocols']['outbound'][] = 'diaspora';
  64                 }
  65
  66                 if (empty($config->get('system', 'ostatus_disabled'))) {
  67                         $nodeinfo['protocols']['inbound'][] = 'gnusocial';
  68                         $nodeinfo['protocols']['outbound'][] = 'gnusocial';
  69                 }
  70
  71                 $nodeinfo['usage'] = Nodeinfo::getUsage();
  72
  73                 $nodeinfo['services'] = Nodeinfo::getServices();
  74
  75                 $nodeinfo['metadata']['protocols'] = $nodeinfo['protocols'];
  76                 $nodeinfo['metadata']['protocols']['outbound'][] = 'atom1.0';
  77                 $nodeinfo['metadata']['protocols']['inbound'][] = 'atom1.0';
  78                 $nodeinfo['metadata']['protocols']['inbound'][] = 'rss2.0';
  79
  80                 $nodeinfo['metadata']['services'] = $nodeinfo['services'];
  81
  82                 if (Addon::isEnabled('twitter')) {
  83                         $nodeinfo['metadata']['services']['inbound'][] = 'twitter';
  84                 }
  85
  86                 $nodeinfo['metadata']['explicitContent'] = $config->get('system', 'explicit_content', false) == true;
  87
  88                 header('Content-type: application/json; charset=utf-8');
  89                 echo json_encode($nodeinfo, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
  90                 exit;
  91         }
  92 }