src/Module/NodeInfo120.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, 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\App;
  25 use Friendica\BaseModule;
  26 use Friendica\Capabilities\ICanCreateResponses;
  27 use Friendica\Core\Addon;
  28 use Friendica\Core\Config\Capability\IManageConfigValues;
  29 use Friendica\Core\L10n;
  30 use Friendica\Model\Nodeinfo;
  31 use Friendica\Util\Profiler;
  32 use Psr\Log\LoggerInterface;
  33
  34 /**
  35  * Version 2.0 of Nodeinfo, a standardized way of exposing metadata about a server running one of the distributed social networks.
  36  * @see https://github.com/jhass/nodeinfo/blob/master/PROTOCOL.md
  37  */
  38 class NodeInfo120 extends BaseModule
  39 {
  40         /** @var IManageConfigValues */
  41         protected $config;
  42
  43         public function __construct(L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, IManageConfigValues $config, array $server, array $parameters = [])
  44         {
  45                 parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
  46
  47                 $this->config = $config;
  48         }
  49
  50         protected function rawContent(array $request = [])
  51         {
  52                 $nodeinfo = [
  53                         'version'  => '2.0',
  54                         'software' => [
  55                                 'name'    => 'friendica',
  56                                 'version' => FRIENDICA_VERSION . '-' . DB_UPDATE_VERSION,
  57                         ],
  58                         'protocols'         => ['dfrn', 'activitypub'],
  59                         'services'          => [],
  60                         'usage'             => [],
  61                         'openRegistrations' => intval($this->config->get('config', 'register_policy')) !== Register::CLOSED,
  62                         'metadata'          => [
  63                                 'nodeName' => $this->config->get('config', 'sitename'),
  64                         ],
  65                 ];
  66
  67                 if (!empty($this->config->get('system', 'diaspora_enabled'))) {
  68                         $nodeinfo['protocols'][] = 'diaspora';
  69                 }
  70
  71                 if (empty($this->config->get('system', 'ostatus_disabled'))) {
  72                         $nodeinfo['protocols'][] = 'ostatus';
  73                 }
  74
  75                 $nodeinfo['usage'] = Nodeinfo::getUsage();
  76
  77                 $nodeinfo['services'] = Nodeinfo::getServices();
  78
  79                 if (Addon::isEnabled('twitter')) {
  80                         $nodeinfo['services']['inbound'][] = 'twitter';
  81                 }
  82
  83                 $nodeinfo['services']['inbound'][]  = 'atom1.0';
  84                 $nodeinfo['services']['inbound'][]  = 'rss2.0';
  85                 $nodeinfo['services']['outbound'][] = 'atom1.0';
  86
  87                 if (function_exists('imap_open') && !$this->config->get('system', 'imap_disabled')) {
  88                         $nodeinfo['services']['inbound'][] = 'imap';
  89                 }
  90
  91                 $nodeinfo['metadata']['explicitContent'] = $this->config->get('system', 'explicit_content', false) == true;
  92
  93                 $this->response->setType(ICanCreateResponses::TYPE_JSON, 'application/json; charset=utf-8');
  94                 $this->response->addContent(json_encode($nodeinfo, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
  95         }
  96 }