friendica-github/src/Module/NodeInfo120.php

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<?php
/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Core\Addon;
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use Friendica\Core\System;
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use Friendica\DI;
use Friendica\Model\Nodeinfo;
/**
* Version 2.0 of Nodeinfo, a standardized way of exposing metadata about a server running one of the distributed social networks.
* @see https://github.com/jhass/nodeinfo/blob/master/PROTOCOL.md
*/
class NodeInfo120 extends BaseModule
{
public static function rawContent(array $parameters = [])
{
$config = DI::config();
$nodeinfo = [
'version' => '2.0',
'software' => [
'name' => 'friendica',
'version' => FRIENDICA_VERSION . '-' . DB_UPDATE_VERSION,
],
'protocols' => ['dfrn', 'activitypub'],
'services' => [],
'usage' => [],
'openRegistrations' => intval($config->get('config', 'register_policy')) !== Register::CLOSED,
'metadata' => [
'nodeName' => $config->get('config', 'sitename'),
],
];
if (!empty($config->get('system', 'diaspora_enabled'))) {
$nodeinfo['protocols'][] = 'diaspora';
}
if (empty($config->get('system', 'ostatus_disabled'))) {
$nodeinfo['protocols'][] = 'ostatus';
}
$nodeinfo['usage'] = Nodeinfo::getUsage();
$nodeinfo['services'] = Nodeinfo::getServices();
if (Addon::isEnabled('twitter')) {
$nodeinfo['services']['inbound'][] = 'twitter';
}
$nodeinfo['services']['inbound'][] = 'atom1.0';
$nodeinfo['services']['inbound'][] = 'rss2.0';
$nodeinfo['services']['outbound'][] = 'atom1.0';
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if (function_exists('imap_open') && !$config->get('system', 'imap_disabled') && !$config->get('system', 'dfrn_only')) {
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$nodeinfo['services']['inbound'][] = 'imap';
}
$nodeinfo['metadata']['explicitContent'] = $config->get('system', 'explicit_content', false) == true;
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System::jsonExit($nodeinfo, 'application/json; charset=utf-8', JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
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}
}