New class for handling gserver entries
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src/Model/GServer.php
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665
src/Model/GServer.php
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<?php
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/**
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* @file src/Model/GServer.php
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* @brief This file includes the GServer class to handle with servers
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*/
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namespace Friendica\Model;
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use DOMDocument;
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use DOMXPath;
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use Friendica\Core\Config;
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use Friendica\Core\Protocol;
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use Friendica\Database\DBA;
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use Friendica\Module\Register;
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use Friendica\Util\Network;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Strings;
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use Friendica\Util\XML;
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use Friendica\Core\Logger;
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/*
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use Exception;
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use Friendica\Core\System;
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use Friendica\Core\Worker;
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use Friendica\Network\Probe;
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use Friendica\Protocol\PortableContact;
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*/
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/**
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* @brief This class handles GServer related functions
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*/
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class GServer
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{
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/**
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* Detect server type
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*
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* @param string $url Server url
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* @param boolean $force Force update
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*
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* @return boolean 'true' if server could be detected
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*/
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public static function detect($url, $force = false)
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{
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/// @Todo:
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// - Update Check
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// - poco
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// - Pleroma version number
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// $gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($url)]);
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$serverdata = [];
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// When a nodeinfo is present, we don't need to dig further
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$xrd_timeout = Config::get('system', 'xrd_timeout');
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$curlResult = Network::curl($url . '/.well-known/nodeinfo', false, ['timeout' => $xrd_timeout]);
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if ($curlResult->isTimeout()) {
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DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]);
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return false;
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}
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$nodeinfo = self::fetchNodeinfo($url, $curlResult);
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if (empty($nodeinfo) || ($nodeinfo['network'] == Protocol::DFRN)) {
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// Fetch the landing page, possibly it reveals some data
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$curlResult = Network::curl($url, false, ['timeout' => $xrd_timeout]);
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if ($curlResult->isSuccess()) {
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$serverdata = self::analyseRootHeader($curlResult, $serverdata);
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$serverdata = self::analyseRootBody($curlResult, $serverdata);
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}
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if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
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DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]);
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return false;
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}
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if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::DFRN)) {
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$serverdata = self::detectFriendica($url, $serverdata);
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}
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if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::ACTIVITYPUB)) {
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$serverdata = self::detectMastodonAlikes($url, $serverdata);
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}
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// the "siteinfo.json" is some specific endpoint of Hubzilla and Red
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if (empty($serverdata['network']) || (($serverdata['network'] == Protocol::DIASPORA) && ($serverdata['platform'] != 'diaspora'))) {
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$serverdata = self::fetchSiteinfo($url, $serverdata);
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}
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if (empty($serverdata['network'])) {
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$serverdata = self::detectNextcloud($url, $serverdata);
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}
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if (empty($serverdata['network'])) {
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$serverdata = self::detectGNUSocial($url, $serverdata);
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}
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} else {
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$serverdata = $nodeinfo;
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}
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// We can't detect the network type. Possibly it is some system that we don't know yet
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if (empty($serverdata['network'])) {
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$serverdata['network'] = Protocol::PHANTOM;
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}
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$serverdata['url'] = $url;
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$serverdata['nurl'] = Strings::normaliseLink($url);
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$fields = array_keys($serverdata);
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$old_data = DBA::selectFirst('gserver', $fields, ['nurl' => Strings::normaliseLink($url)]);
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if (!DBA::isResult($old_data)) {
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die('Möööp');
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$serverdata['created'] = DateTimeFormat::utcNow();
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DBA::insert('gserver', $serverdata);
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} else {
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$serverdata['last_contact'] = DateTimeFormat::utcNow();
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DBA::update('gserver', $serverdata, ['nurl' => $serverdata['nurl']], $old_data);
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}
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return $serverdata;
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}
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/**
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* @brief Detect server type by using the nodeinfo data
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*
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* @param string $url address of the server
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* @return array Server data
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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private static function fetchNodeinfo($url, $curlResult)
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{
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$nodeinfo = json_decode($curlResult->getBody(), true);
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if (!is_array($nodeinfo) || !isset($nodeinfo['links'])) {
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return [];
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}
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$nodeinfo1_url = '';
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$nodeinfo2_url = '';
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foreach ($nodeinfo['links'] as $link) {
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if (!is_array($link) || empty($link['rel']) || empty($link['href'])) {
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Logger::info('Invalid nodeinfo format', ['url' => $url]);
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continue;
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}
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if ($link['rel'] == 'http://nodeinfo.diaspora.software/ns/schema/1.0') {
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$nodeinfo1_url = $link['href'];
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} elseif ($link['rel'] == 'http://nodeinfo.diaspora.software/ns/schema/2.0') {
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$nodeinfo2_url = $link['href'];
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}
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}
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if ($nodeinfo1_url . $nodeinfo2_url == '') {
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return [];
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}
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$server = [];
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// When the nodeinfo url isn't on the same host, then there is obviously something wrong
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if (!empty($nodeinfo2_url) && (parse_url($url, PHP_URL_HOST) == parse_url($nodeinfo2_url, PHP_URL_HOST))) {
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$server = self::parseNodeinfo2($nodeinfo2_url);
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}
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// When the nodeinfo url isn't on the same host, then there is obviously something wrong
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if (empty($server) && !empty($nodeinfo1_url) && (parse_url($url, PHP_URL_HOST) == parse_url($nodeinfo1_url, PHP_URL_HOST))) {
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$server = self::parseNodeinfo1($nodeinfo1_url);
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}
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return $server;
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}
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/**
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* @brief Parses Nodeinfo 1
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*
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* @param string $nodeinfo_url address of the nodeinfo path
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* @return array Server data
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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private static function parseNodeinfo1($nodeinfo_url)
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{
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$curlResult = Network::curl($nodeinfo_url);
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if (!$curlResult->isSuccess()) {
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return false;
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}
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$nodeinfo = json_decode($curlResult->getBody(), true);
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if (!is_array($nodeinfo)) {
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return false;
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}
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$server = [];
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$server['register_policy'] = Register::CLOSED;
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if (!empty($nodeinfo['openRegistrations'])) {
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$server['register_policy'] = Register::OPEN;
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}
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if (is_array($nodeinfo['software'])) {
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if (isset($nodeinfo['software']['name'])) {
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$server['platform'] = $nodeinfo['software']['name'];
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}
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if (isset($nodeinfo['software']['version'])) {
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$server['version'] = $nodeinfo['software']['version'];
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// Version numbers on Nodeinfo are presented with additional info, e.g.:
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// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
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$server['version'] = preg_replace('=(.+)-(.{4,})=ism', '$1', $server['version']);
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}
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}
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if (isset($nodeinfo['metadata']['nodeName'])) {
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$server['site_name'] = $nodeinfo['metadata']['nodeName'];
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}
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if (!empty($nodeinfo['usage']['users']['total'])) {
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$server['registered-users'] = $nodeinfo['usage']['users']['total'];
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}
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if (!empty($nodeinfo['protocols']['inbound']) && is_array($nodeinfo['protocols']['inbound'])) {
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$protocols = [];
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foreach ($nodeinfo['protocols']['inbound'] as $protocol) {
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$protocols[$protocol] = true;
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}
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if (!empty($protocols['friendica'])) {
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$server['network'] = Protocol::DFRN;
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} elseif (!empty($protocols['activitypub'])) {
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$server['network'] = Protocol::ACTIVITYPUB;
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} elseif (!empty($protocols['diaspora'])) {
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$server['network'] = Protocol::DIASPORA;
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} elseif (!empty($protocols['ostatus'])) {
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$server['network'] = Protocol::OSTATUS;
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} elseif (!empty($protocols['gnusocial'])) {
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$server['network'] = Protocol::OSTATUS;
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} else {
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print_r($protocols);
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die('Protocol 1');
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}
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}
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if (!$server) {
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return false;
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}
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return $server;
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}
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/**
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* @brief Parses Nodeinfo 2
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*
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* @param string $nodeinfo_url address of the nodeinfo path
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* @return array Server data
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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private static function parseNodeinfo2($nodeinfo_url)
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{
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$curlResult = Network::curl($nodeinfo_url);
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if (!$curlResult->isSuccess()) {
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return false;
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}
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$nodeinfo = json_decode($curlResult->getBody(), true);
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if (!is_array($nodeinfo)) {
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return false;
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}
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$server = [];
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$server['register_policy'] = Register::CLOSED;
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if (!empty($nodeinfo['openRegistrations'])) {
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$server['register_policy'] = Register::OPEN;
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}
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if (is_array($nodeinfo['software'])) {
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if (isset($nodeinfo['software']['name'])) {
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$server['platform'] = $nodeinfo['software']['name'];
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}
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if (isset($nodeinfo['software']['version'])) {
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$server['version'] = $nodeinfo['software']['version'];
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// Version numbers on Nodeinfo are presented with additional info, e.g.:
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// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
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$server['version'] = preg_replace('=(.+)-(.{4,})=ism', '$1', $server['version']);
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}
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}
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if (isset($nodeinfo['metadata']['nodeName'])) {
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$server['site_name'] = $nodeinfo['metadata']['nodeName'];
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}
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if (!empty($nodeinfo['usage']['users']['total'])) {
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$server['registered-users'] = $nodeinfo['usage']['users']['total'];
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}
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if (!empty($nodeinfo['protocols'])) {
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$protocols = [];
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foreach ($nodeinfo['protocols'] as $protocol) {
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$protocols[$protocol] = true;
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}
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if (!empty($protocols['friendica'])) {
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$server['network'] = Protocol::DFRN;
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} elseif (!empty($protocols['activitypub'])) {
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$server['network'] = Protocol::ACTIVITYPUB;
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} elseif (!empty($protocols['diaspora'])) {
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$server['network'] = Protocol::DIASPORA;
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} elseif (!empty($protocols['ostatus'])) {
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$server['network'] = Protocol::OSTATUS;
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} elseif (!empty($protocols['gnusocial'])) {
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$server['network'] = Protocol::OSTATUS;
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} else {
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print_r($protocols);
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die('Protocol 2');
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}
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}
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if (empty($server)) {
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return false;
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}
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return $server;
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}
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private static function fetchSiteinfo($url, $serverdata)
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{
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$curlResult = Network::curl($url . '/siteinfo.json');
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if (!$curlResult->isSuccess()) {
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return $serverdata;
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}
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$data = json_decode($curlResult->getBody(), true);
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if (empty($data)) {
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return $serverdata;
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}
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if (isset($data['url'])) {
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$serverdata['platform'] = $data['platform'];
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$serverdata['version'] = $data['version'];
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}
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if (!empty($data['plugins'])) {
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if (in_array('pubcrawl', $data['plugins'])) {
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$serverdata['network'] = Protocol::ACTIVITYPUB;
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} elseif (in_array('diaspora', $data['plugins'])) {
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$serverdata['network'] = Protocol::DIASPORA;
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} elseif (in_array('gnusoc', $data['plugins'])) {
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$serverdata['network'] = Protocol::OSTATUS;
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} else {
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$serverdata['network'] = Protocol::ZOT;
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}
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}
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if (!empty($data['site_name'])) {
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$serverdata['site_name'] = $data['site_name'];
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}
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if (!empty($data['channels_total'])) {
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$serverdata['registered-users'] = $data['channels_total'];
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}
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if (!empty($data['register_policy'])) {
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switch ($data['register_policy']) {
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case "REGISTER_OPEN":
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$serverdata['register_policy'] = Register::OPEN;
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break;
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case "REGISTER_APPROVE":
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$serverdata['register_policy'] = Register::APPROVE;
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break;
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case "REGISTER_CLOSED":
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default:
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$serverdata['register_policy'] = Register::CLOSED;
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break;
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}
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}
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return $serverdata;
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}
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private static function detectNextcloud($url, $serverdata)
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{
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$curlResult = Network::curl($url . '/status.php');
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if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
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return $serverdata;
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}
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$data = json_decode($curlResult->getBody(), true);
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if (empty($data)) {
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return $serverdata;
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}
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if (!empty($data['version'])) {
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$serverdata['platform'] = 'nextcloud';
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$serverdata['version'] = $data['version'];
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$serverdata['network'] = Protocol::ACTIVITYPUB;
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}
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return $serverdata;
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}
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private static function detectMastodonAlikes($url, $serverdata)
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{
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$curlResult = Network::curl($url . '/api/v1/instance');
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if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
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return $serverdata;
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}
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$data = json_decode($curlResult->getBody(), true);
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if (empty($data)) {
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return $serverdata;
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}
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if (isset($data['version'])) {
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$serverdata['platform'] = 'mastodon';
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$serverdata['version'] = defaults($data, 'version', '');
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if (!empty($data['title'])) {
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$serverdata['site_name'] = $data['title'];
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}
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if (!empty($data['description'])) {
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$serverdata['info'] = trim($data['description']);
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}
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$serverdata['network'] = Protocol::ACTIVITYPUB;
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}
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if (!empty($data['stats']['user_count'])) {
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$serverdata['registered-users'] = $data['stats']['user_count'];
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}
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if (strstr($serverdata['version'], 'Pleroma')) {
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$serverdata['platform'] = 'pleroma';
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$serverdata['version'] = trim(str_replace('Pleroma', '', $serverdata['version'])); // 2.7.2 (compatible; Pleroma 1.0.0-1225-gf31ad554-develop)
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}
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if (strstr($serverdata['version'], 'Pixelfed')) {
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print_r($serverdata);
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die();
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// $serverdata['platform'] = 'pixelfed';
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// $serverdata['version'] = trim(str_replace('Pixelfed', '', $serverdata['version'])); // 2.7.2 (compatible; Pixelfed 0.10.5)
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}
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return $serverdata;
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}
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private static function detectGNUSocial($url, $serverdata)
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{
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$curlResult = Network::curl($url . '/api/statusnet/version.json');
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if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') &&
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($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) {
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$serverdata['platform'] = 'StatusNet';
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// Remove junk that some GNU Social servers return
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$serverdata['version'] = str_replace(chr(239).chr(187).chr(191), '', $curlResult->getBody());
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$serverdata['version'] = trim($serverdata['version'], '"');
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$serverdata['network'] = Protocol::OSTATUS;
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}
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// Test for GNU Social
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$curlResult = Network::curl($url . '/api/gnusocial/version.json');
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if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') &&
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($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) {
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$serverdata['platform'] = 'GNU Social';
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// Remove junk that some GNU Social servers return
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$serverdata['version'] = str_replace(chr(239) . chr(187) . chr(191), '', $curlResult->getBody());
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$serverdata['version'] = trim($serverdata['version'], '"');
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$serverdata['network'] = Protocol::OSTATUS;
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}
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return $serverdata;
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}
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private static function detectFriendica($url, $serverdata)
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{
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$curlResult = Network::curl($url . '/friendica/json');
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if (!$curlResult->isSuccess()) {
|
||||
$curlResult = Network::curl($url . '/friendika/json');
|
||||
}
|
||||
|
||||
if (!$curlResult->isSuccess()) {
|
||||
return $serverdata;
|
||||
}
|
||||
|
||||
$data = json_decode($curlResult->getBody(), true);
|
||||
if (empty($data) || empty($data['version'])) {
|
||||
return $serverdata;
|
||||
}
|
||||
|
||||
$serverdata['network'] = Protocol::DFRN;
|
||||
$serverdata['version'] = $data['version'];
|
||||
|
||||
if (!empty($data['no_scrape_url'])) {
|
||||
$serverdata['noscrape'] = $data['no_scrape_url'];
|
||||
}
|
||||
|
||||
if (!empty($data['site_name'])) {
|
||||
$serverdata['site_name'] = $data['site_name'];
|
||||
}
|
||||
|
||||
if (!empty($data['info'])) {
|
||||
$serverdata['info'] = trim($data['info']);
|
||||
}
|
||||
|
||||
$register_policy = defaults($data, 'register_policy', 'REGISTER_CLOSED');
|
||||
switch ($register_policy) {
|
||||
case 'REGISTER_OPEN':
|
||||
$serverdata['register_policy'] = Register::OPEN;
|
||||
break;
|
||||
|
||||
case 'REGISTER_APPROVE':
|
||||
$serverdata['register_policy'] = Register::APPROVE;
|
||||
break;
|
||||
|
||||
case 'REGISTER_CLOSED':
|
||||
case 'REGISTER_INVITATION':
|
||||
$serverdata['register_policy'] = Register::CLOSED;
|
||||
break;
|
||||
default:
|
||||
Logger::info('Register policy is invalid', ['policy' => $register_policy, 'server' => $url]);
|
||||
$serverdata['register_policy'] = Register::CLOSED;
|
||||
break;
|
||||
}
|
||||
|
||||
$serverdata['platform'] = defaults($data, 'platform', '');
|
||||
|
||||
return $serverdata;
|
||||
}
|
||||
|
||||
private static function analyseRootBody($curlResult, $serverdata)
|
||||
{
|
||||
$doc = new DOMDocument();
|
||||
@$doc->loadHTML($curlResult->getBody());
|
||||
$xpath = new DOMXPath($doc);
|
||||
|
||||
$title = trim(XML::getFirstNodeValue($xpath, '//head/title/text()'));
|
||||
if (!empty($title)) {
|
||||
$serverdata['site_name'] = $title;
|
||||
}
|
||||
|
||||
$list = $xpath->query('//meta[@name]');
|
||||
|
||||
foreach ($list as $node) {
|
||||
$attr = [];
|
||||
if ($node->attributes->length) {
|
||||
foreach ($node->attributes as $attribute) {
|
||||
$attribute->value = trim($attribute->value);
|
||||
if (empty($attribute->value)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
$attr[$attribute->name] = $attribute->value;
|
||||
}
|
||||
}
|
||||
//print_r($attr);
|
||||
if ($attr['name'] == 'description') {
|
||||
$serverdata['info'] = $attr['content'];
|
||||
}
|
||||
|
||||
if ($attr['name'] == 'application-name') {
|
||||
$serverdata['platform'] = $attr['content'];
|
||||
if (in_array($attr['content'], ['Misskey', 'Write.as'])) {
|
||||
$serverdata['network'] = Protocol::ACTIVITYPUB;
|
||||
}
|
||||
}
|
||||
//
|
||||
if (($attr['name'] == 'generator') && in_array($attr['content'], ['Write.as'])) {
|
||||
die('as');
|
||||
// $serverdata['platform'] = $attr['content'];
|
||||
// $serverdata['network'] = Protocol::ACTIVITYPUB;
|
||||
} elseif ($attr['name'] == 'generator') {
|
||||
$serverdata['platform'] = $attr['content'];
|
||||
|
||||
$version_part = explode(' ', $attr['content']);
|
||||
|
||||
if (count($version_part) == 3) {
|
||||
if (($version_part[0] == 'Red') && ($version_part[1] == 'Matrix')) {
|
||||
// $serverdata['platform'] = $version_part[0] . ' ' . $version_part[1];
|
||||
// $serverdata['version'] = $version_part[2];
|
||||
// $serverdata['network'] = Protocol::DIASPORA;
|
||||
}
|
||||
} elseif (count($version_part) == 2) {
|
||||
if (in_array($version_part[0], ['WordPress'])) {
|
||||
$serverdata['platform'] = $version_part[0];
|
||||
$serverdata['version'] = $version_part[1];
|
||||
$serverdata['network'] = Protocol::ACTIVITYPUB;
|
||||
}
|
||||
if (in_array($version_part[0], ['Friendika', 'Friendica'])) {
|
||||
$serverdata['platform'] = $version_part[0];
|
||||
$serverdata['version'] = $version_part[1];
|
||||
$serverdata['network'] = Protocol::DFRN;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$list = $xpath->query('//meta[@property]');
|
||||
|
||||
foreach ($list as $node) {
|
||||
$attr = [];
|
||||
if ($node->attributes->length) {
|
||||
foreach ($node->attributes as $attribute) {
|
||||
$attribute->value = trim($attribute->value);
|
||||
if (empty($attribute->value)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
$attr[$attribute->name] = $attribute->value;
|
||||
}
|
||||
}
|
||||
//print_r($attr);
|
||||
|
||||
if ($attr['property'] == 'og:site_name') {
|
||||
$serverdata['site_name'] = $attr['content'];
|
||||
}
|
||||
|
||||
if ($attr['property'] == 'og:description') {
|
||||
$serverdata['info'] = $attr['content'];
|
||||
}
|
||||
|
||||
// if (($attr['property'] == 'og:title') && in_array($attr['content'], ['pixelfed', 'Socialhome'])) {
|
||||
// if (($attr['property'] == 'og:title') && in_array($attr['content'], ['Nextcloud'])) {
|
||||
// $serverdata['platform'] = $attr['content'];
|
||||
// $serverdata['network'] = Protocol::ACTIVITYPUB;
|
||||
// }
|
||||
|
||||
if (($attr['property'] == 'og:platform') && in_array($attr['content'], ['PeerTube'])) {
|
||||
die('Peertube');
|
||||
// $serverdata['platform'] = $attr['content'];
|
||||
// $serverdata['network'] = Protocol::ACTIVITYPUB;
|
||||
}
|
||||
|
||||
if (($attr['property'] == 'generator') && in_array($attr['content'], ['hubzilla'])) {
|
||||
$serverdata['platform'] = $attr['content'];
|
||||
$serverdata['network'] = Protocol::DIASPORA;
|
||||
}
|
||||
}
|
||||
|
||||
return $serverdata;
|
||||
}
|
||||
|
||||
private static function analyseRootHeader($curlResult, $serverdata)
|
||||
{
|
||||
if ($curlResult->getHeader('server') == 'Mastodon') {
|
||||
$serverdata['platform'] = 'mastodon';
|
||||
$serverdata['network'] = $network = Protocol::ACTIVITYPUB;
|
||||
} elseif ($curlResult->inHeader('x-diaspora-version')) {
|
||||
$serverdata['platform'] = 'diaspora';
|
||||
$serverdata['network'] = $network = Protocol::DIASPORA;
|
||||
$serverdata['version'] = $curlResult->getHeader('x-diaspora-version');
|
||||
|
||||
} elseif ($curlResult->inHeader('x-friendica-version')) {
|
||||
$serverdata['platform'] = 'friendica';
|
||||
$serverdata['network'] = $network = Protocol::DFRN;
|
||||
$serverdata['version'] = $curlResult->getHeader('x-friendica-version');
|
||||
|
||||
} else {
|
||||
//print_r($curlResult->getHeaderArray());
|
||||
}
|
||||
return $serverdata;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue