friendica/src/Module/NodeInfo.php
2020-02-09 15:45:36 +01:00

246 lines
6.7 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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;
use Friendica\DI;
use stdClass;
/**
* 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 NodeInfo extends BaseModule
{
public static function rawContent(array $parameters = [])
{
if ($parameters['version'] == '1.0') {
self::printNodeInfo1();
} elseif ($parameters['version'] == '2.0') {
self::printNodeInfo2();
} else {
throw new \Friendica\Network\HTTPException\NotFoundException();
}
}
/**
* Return the supported services
*
* @return Object with supported services
*/
private static function getUsage()
{
$config = DI::config();
$usage = new stdClass();
if (!empty($config->get('system', 'nodeinfo'))) {
$usage->users = [
'total' => intval($config->get('nodeinfo', 'total_users')),
'activeHalfyear' => intval($config->get('nodeinfo', 'active_users_halfyear')),
'activeMonth' => intval($config->get('nodeinfo', 'active_users_monthly'))
];
$usage->localPosts = intval($config->get('nodeinfo', 'local_posts'));
$usage->localComments = intval($config->get('nodeinfo', 'local_comments'));
}
return $usage;
}
/**
* Return the supported services
*
* @return array with supported services
*/
private static function getServices()
{
$services = [
'inbound' => [],
'outbound' => [],
];
if (Addon::isEnabled('blogger')) {
$services['outbound'][] = 'blogger';
}
if (Addon::isEnabled('dwpost')) {
$services['outbound'][] = 'dreamwidth';
}
if (Addon::isEnabled('statusnet')) {
$services['inbound'][] = 'gnusocial';
$services['outbound'][] = 'gnusocial';
}
if (Addon::isEnabled('ijpost')) {
$services['outbound'][] = 'insanejournal';
}
if (Addon::isEnabled('libertree')) {
$services['outbound'][] = 'libertree';
}
if (Addon::isEnabled('buffer')) {
$services['outbound'][] = 'linkedin';
}
if (Addon::isEnabled('ljpost')) {
$services['outbound'][] = 'livejournal';
}
if (Addon::isEnabled('buffer')) {
$services['outbound'][] = 'pinterest';
}
if (Addon::isEnabled('posterous')) {
$services['outbound'][] = 'posterous';
}
if (Addon::isEnabled('pumpio')) {
$services['inbound'][] = 'pumpio';
$services['outbound'][] = 'pumpio';
}
$services['outbound'][] = 'smtp';
if (Addon::isEnabled('tumblr')) {
$services['outbound'][] = 'tumblr';
}
if (Addon::isEnabled('twitter') || Addon::isEnabled('buffer')) {
$services['outbound'][] = 'twitter';
}
if (Addon::isEnabled('wppost')) {
$services['outbound'][] = 'wordpress';
}
return $services;
}
/**
* Print the nodeinfo version 1
*/
private static function printNodeInfo1()
{
$config = DI::config();
$nodeinfo = [
'version' => '1.0',
'software' => [
'name' => 'friendica',
'version' => FRIENDICA_VERSION . '-' . DB_UPDATE_VERSION,
],
'protocols' => [
'inbound' => [
'friendica'
],
'outbound' => [
'friendica'
],
],
'services' => [],
'usage' => [],
'openRegistrations' => intval($config->get('config', 'register_policy')) !== Register::CLOSED,
'metadata' => [
'nodeName' => $config->get('config', 'sitename'),
],
];
if (!empty($config->get('system', 'diaspora_enabled'))) {
$nodeinfo['protocols']['inbound'][] = 'diaspora';
$nodeinfo['protocols']['outbound'][] = 'diaspora';
}
if (empty($config->get('system', 'ostatus_disabled'))) {
$nodeinfo['protocols']['inbound'][] = 'gnusocial';
$nodeinfo['protocols']['outbound'][] = 'gnusocial';
}
$nodeinfo['usage'] = self::getUsage();
$nodeinfo['services'] = self::getServices();
$nodeinfo['metadata']['protocols'] = $nodeinfo['protocols'];
$nodeinfo['metadata']['protocols']['outbound'][] = 'atom1.0';
$nodeinfo['metadata']['protocols']['inbound'][] = 'atom1.0';
$nodeinfo['metadata']['protocols']['inbound'][] = 'rss2.0';
$nodeinfo['metadata']['services'] = $nodeinfo['services'];
if (Addon::isEnabled('twitter')) {
$nodeinfo['metadata']['services']['inbound'][] = 'twitter';
}
$nodeinfo['metadata']['explicitContent'] = $config->get('system', 'explicit_content', false) == true;
header('Content-type: application/json; charset=utf-8');
echo json_encode($nodeinfo, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
exit;
}
/**
* Print the nodeinfo version 2
*/
private static function printNodeInfo2()
{
$config = DI::config();
$imap = (function_exists('imap_open') && !$config->get('system', 'imap_disabled') && !$config->get('system', 'dfrn_only'));
$nodeinfo = [
'version' => '2.0',
'software' => [
'name' => 'friendica',
'version' => FRIENDICA_VERSION . '-' . DB_UPDATE_VERSION,
],
'protocols' => ['dfrn', 'activitypub'],
'services' => [],
'usage' => [],
'openRegistrations' => intval($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'] = self::getUsage();
$nodeinfo['services'] = self::getServices();
if (Addon::isEnabled('twitter')) {
$nodeinfo['services']['inbound'][] = 'twitter';
}
$nodeinfo['services']['inbound'][] = 'atom1.0';
$nodeinfo['services']['inbound'][] = 'rss2.0';
$nodeinfo['services']['outbound'][] = 'atom1.0';
if ($imap) {
$nodeinfo['services']['inbound'][] = 'imap';
}
$nodeinfo['metadata']['explicitContent'] = $config->get('system', 'explicit_content', false) == true;
header('Content-type: application/json; charset=utf-8');
echo json_encode($nodeinfo, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
exit;
}
}