mirror of https://github.com/friendica/friendica
1038 lines
30 KiB
PHP
1038 lines
30 KiB
PHP
<?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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use Friendica\Protocol\PortableContact;
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use Friendica\Protocol\Diaspora;
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use Friendica\Network\Probe;
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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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public static function check($server_url, $network = '', $force = false)
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{
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// Unify the server address
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$server_url = trim($server_url, '/');
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$server_url = str_replace('/index.php', '', $server_url);
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if ($server_url == '') {
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return false;
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}
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$gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($server_url)]);
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if (DBA::isResult($gserver)) {
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if ($gserver['created'] <= DBA::NULL_DATETIME) {
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$fields = ['created' => DateTimeFormat::utcNow()];
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$condition = ['nurl' => Strings::normaliseLink($server_url)];
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DBA::update('gserver', $fields, $condition);
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}
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$last_contact = $gserver["last_contact"];
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$last_failure = $gserver["last_failure"];
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// See discussion under https://forum.friendi.ca/display/0b6b25a8135aabc37a5a0f5684081633
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// It can happen that a zero date is in the database, but storing it again is forbidden.
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if ($last_contact < DBA::NULL_DATETIME) {
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$last_contact = DBA::NULL_DATETIME;
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}
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if ($last_failure < DBA::NULL_DATETIME) {
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$last_failure = DBA::NULL_DATETIME;
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}
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if (!$force && !PortableContact::updateNeeded($gserver['created'], '', $last_failure, $last_contact)) {
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Logger::info('No update needed', ['server' => $server_url]);
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return ($last_contact >= $last_failure);
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}
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Logger::info('Server is outdated. Start discovery.', ['Server' => $server_url, 'Force' => $force, 'Created' => $gserver['created'], 'Failure' => $last_failure, 'Contact' => $last_contact]);
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} else {
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Logger::info('Server is unknown. Start discovery.', ['Server' => $server_url]);
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}
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return self::detect($server_url, $network);
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}
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/**
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* Detect server data (type, protocol, version number, ...)
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* The detected data is then updated or inserted in the gserver table.
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*
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* @param string $url Server url
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*
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* @return boolean 'true' if server could be detected
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*/
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public static function detect($url, $network = '')
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{
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$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, $curlResult);
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// When nodeinfo isn't present, we use the older 'statistics.json' endpoint
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if (empty($nodeinfo)) {
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$nodeinfo = self::fetchStatistics($url);
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}
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// If that didn't work out well, we use some protocol specific endpoints
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if (empty($nodeinfo) || empty($nodeinfo['network']) || ($nodeinfo['network'] == Protocol::DFRN)) {
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// Fetch the landing page, possibly it reveals some data
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$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']) || ($serverdata['network'] == Protocol::ZOT)) {
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$serverdata = self::fetchSiteinfo($url, $serverdata);
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}
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// The 'siteinfo.json' doesn't seem to be present on older Hubzilla installations
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if (empty($serverdata['network'])) {
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$serverdata = self::detectHubzilla($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 = $nodeinfo;
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}
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$serverdata = self::checkPoCo($url, $serverdata);
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// We can't detect the network type. Possibly it is some system that we don't know yet
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if (empty($serverdata['network'])) {
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$serverdata['network'] = Protocol::PHANTOM;
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}
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// When we hadn't been able to detect the network type, we use the hint from the parameter
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if (($serverdata['network'] == Protocol::PHANTOM) && !empty($network)) {
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$serverdata['network'] = $network;
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}
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// Check host-meta for phantom networks.
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// Although this is not needed, it is a good indicator for a living system,
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// since most systems had implemented it.
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if (($serverdata['network'] == Protocol::PHANTOM) && !self::validHostMeta($url)) {
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DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]);
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return false;
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}
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$serverdata['url'] = $url;
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$serverdata['nurl'] = Strings::normaliseLink($url);
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// We take the highest number that we do find
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$registeredUsers = $serverdata['registered-users'] ?? 0;
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// On an active server there has to be at least a single user
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if (($serverdata['network'] != Protocol::PHANTOM) && ($registeredUsers == 0)) {
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$registeredUsers = 1;
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}
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if ($serverdata['network'] != Protocol::PHANTOM) {
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$gcontacts = DBA::count('gcontact', ['server_url' => [$url, $serverdata['nurl']]]);
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$apcontacts = DBA::count('apcontact', ['baseurl' => [$url, $serverdata['nurl']]]);
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$contacts = DBA::count('contact', ['uid' => 0, 'baseurl' => [$url, $serverdata['nurl']]]);
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$serverdata['registered-users'] = max($gcontacts, $apcontacts, $contacts, $registeredUsers);
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} else {
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$serverdata['registered-users'] = $registeredUsers;
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$serverdata = self::detectNetworkViaContacts($url, $serverdata);
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}
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$serverdata['last_contact'] = DateTimeFormat::utcNow();
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$gserver = DBA::selectFirst('gserver', ['network'], ['nurl' => Strings::normaliseLink($url)]);
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if (!DBA::isResult($gserver)) {
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$serverdata['created'] = DateTimeFormat::utcNow();
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$ret = DBA::insert('gserver', $serverdata);
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} else {
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// Don't override the network with "unknown" when there had been a valid entry before
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if (($serverdata['network'] == Protocol::PHANTOM) && !empty($gserver['network'])) {
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unset($serverdata['network']);
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}
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$ret = DBA::update('gserver', $serverdata, ['nurl' => $serverdata['nurl']]);
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}
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if (!empty($serverdata['network']) && in_array($serverdata['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
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self::discoverRelay($url);
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}
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return $ret;
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}
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/**
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* @brief Fetch relay data from a given server url
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*
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* @param string $server_url address of the server
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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private static function discoverRelay($server_url)
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{
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Logger::info('Discover relay data', ['server' => $server_url]);
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$curlResult = Network::curl($server_url . '/.well-known/x-social-relay');
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if (!$curlResult->isSuccess()) {
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return;
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}
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$data = json_decode($curlResult->getBody(), true);
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if (!is_array($data)) {
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return;
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}
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$gserver = DBA::selectFirst('gserver', ['id', 'relay-subscribe', 'relay-scope'], ['nurl' => Strings::normaliseLink($server_url)]);
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if (!DBA::isResult($gserver)) {
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return;
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}
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if (($gserver['relay-subscribe'] != $data['subscribe']) || ($gserver['relay-scope'] != $data['scope'])) {
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$fields = ['relay-subscribe' => $data['subscribe'], 'relay-scope' => $data['scope']];
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DBA::update('gserver', $fields, ['id' => $gserver['id']]);
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}
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DBA::delete('gserver-tag', ['gserver-id' => $gserver['id']]);
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if ($data['scope'] == 'tags') {
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// Avoid duplicates
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$tags = [];
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foreach ($data['tags'] as $tag) {
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$tag = mb_strtolower($tag);
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if (strlen($tag) < 100) {
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$tags[$tag] = $tag;
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}
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}
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foreach ($tags as $tag) {
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DBA::insert('gserver-tag', ['gserver-id' => $gserver['id'], 'tag' => $tag], true);
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}
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}
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// Create or update the relay contact
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$fields = [];
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if (isset($data['protocols'])) {
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if (isset($data['protocols']['diaspora'])) {
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$fields['network'] = Protocol::DIASPORA;
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if (isset($data['protocols']['diaspora']['receive'])) {
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$fields['batch'] = $data['protocols']['diaspora']['receive'];
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} elseif (is_string($data['protocols']['diaspora'])) {
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$fields['batch'] = $data['protocols']['diaspora'];
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}
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}
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if (isset($data['protocols']['dfrn'])) {
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$fields['network'] = Protocol::DFRN;
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if (isset($data['protocols']['dfrn']['receive'])) {
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$fields['batch'] = $data['protocols']['dfrn']['receive'];
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} elseif (is_string($data['protocols']['dfrn'])) {
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$fields['batch'] = $data['protocols']['dfrn'];
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}
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}
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}
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Diaspora::setRelayContact($server_url, $fields);
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}
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private static function fetchStatistics($url)
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{
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$curlResult = Network::curl($url . '/statistics.json');
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if (!$curlResult->isSuccess()) {
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return [];
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}
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$data = json_decode($curlResult->getBody(), true);
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if (empty($data)) {
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return [];
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}
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$serverdata = [];
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if (!empty($data['version'])) {
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$serverdata['version'] = $data['version'];
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// Version numbers on statistics.json are presented with additional info, e.g.:
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// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
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$serverdata['version'] = preg_replace('=(.+)-(.{4,})=ism', '$1', $serverdata['version']);
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}
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if (!empty($data['name'])) {
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$serverdata['site_name'] = $data['name'];
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}
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if (!empty($data['network'])) {
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$serverdata['platform'] = $data['network'];
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if ($serverdata['platform'] == 'Diaspora') {
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$serverdata['network'] = Protocol::DIASPORA;
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} elseif ($serverdata['platform'] == 'Friendica') {
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$serverdata['network'] = Protocol::DFRN;
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} elseif ($serverdata['platform'] == 'hubzilla') {
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$serverdata['network'] = Protocol::ZOT;
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} elseif ($serverdata['platform'] == 'redmatrix') {
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$serverdata['network'] = Protocol::ZOT;
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}
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}
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if (!empty($data['registrations_open'])) {
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$serverdata['register_policy'] = Register::OPEN;
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} else {
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$serverdata['register_policy'] = Register::CLOSED;
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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) || empty($nodeinfo['links'])) {
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return [];
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}
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$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($nodeinfo['software'])) {
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if (!empty($nodeinfo['software']['name'])) {
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$server['platform'] = $nodeinfo['software']['name'];
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}
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if (!empty($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', $server['version']);
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}
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}
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if (!empty($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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$server['network'] = Protocol::OSTATUS;
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} elseif (!empty($protocols['zot'])) {
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$server['network'] = Protocol::ZOT;
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}
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}
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if (!$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($nodeinfo['software'])) {
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if (!empty($nodeinfo['software']['name'])) {
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$server['platform'] = $nodeinfo['software']['name'];
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}
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if (!empty($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.
|
|
$server['version'] = preg_replace('=(.+)-(.{4,})=ism', '$1', $server['version']);
|
|
}
|
|
}
|
|
|
|
if (!empty($nodeinfo['metadata']['nodeName'])) {
|
|
$server['site_name'] = $nodeinfo['metadata']['nodeName'];
|
|
}
|
|
|
|
if (!empty($nodeinfo['usage']['users']['total'])) {
|
|
$server['registered-users'] = $nodeinfo['usage']['users']['total'];
|
|
}
|
|
|
|
if (!empty($nodeinfo['protocols'])) {
|
|
$protocols = [];
|
|
foreach ($nodeinfo['protocols'] as $protocol) {
|
|
$protocols[$protocol] = true;
|
|
}
|
|
|
|
if (!empty($protocols['friendica'])) {
|
|
$server['network'] = Protocol::DFRN;
|
|
} elseif (!empty($protocols['activitypub'])) {
|
|
$server['network'] = Protocol::ACTIVITYPUB;
|
|
} elseif (!empty($protocols['diaspora'])) {
|
|
$server['network'] = Protocol::DIASPORA;
|
|
} elseif (!empty($protocols['ostatus'])) {
|
|
$server['network'] = Protocol::OSTATUS;
|
|
} elseif (!empty($protocols['gnusocial'])) {
|
|
$server['network'] = Protocol::OSTATUS;
|
|
} elseif (!empty($protocols['zot'])) {
|
|
$server['network'] = Protocol::ZOT;
|
|
}
|
|
}
|
|
|
|
if (empty($server)) {
|
|
return false;
|
|
}
|
|
|
|
return $server;
|
|
}
|
|
|
|
private static function fetchSiteinfo($url, $serverdata)
|
|
{
|
|
$curlResult = Network::curl($url . '/siteinfo.json');
|
|
if (!$curlResult->isSuccess()) {
|
|
return $serverdata;
|
|
}
|
|
|
|
$data = json_decode($curlResult->getBody(), true);
|
|
if (empty($data)) {
|
|
return $serverdata;
|
|
}
|
|
|
|
if (!empty($data['url'])) {
|
|
$serverdata['platform'] = $data['platform'];
|
|
$serverdata['version'] = $data['version'];
|
|
}
|
|
|
|
if (!empty($data['plugins'])) {
|
|
if (in_array('pubcrawl', $data['plugins'])) {
|
|
$serverdata['network'] = Protocol::ACTIVITYPUB;
|
|
} elseif (in_array('diaspora', $data['plugins'])) {
|
|
$serverdata['network'] = Protocol::DIASPORA;
|
|
} elseif (in_array('gnusoc', $data['plugins'])) {
|
|
$serverdata['network'] = Protocol::OSTATUS;
|
|
} else {
|
|
$serverdata['network'] = Protocol::ZOT;
|
|
}
|
|
}
|
|
|
|
if (!empty($data['site_name'])) {
|
|
$serverdata['site_name'] = $data['site_name'];
|
|
}
|
|
|
|
if (!empty($data['channels_total'])) {
|
|
$serverdata['registered-users'] = $data['channels_total'];
|
|
}
|
|
|
|
if (!empty($data['register_policy'])) {
|
|
switch ($data['register_policy']) {
|
|
case 'REGISTER_OPEN':
|
|
$serverdata['register_policy'] = Register::OPEN;
|
|
break;
|
|
|
|
case 'REGISTER_APPROVE':
|
|
$serverdata['register_policy'] = Register::APPROVE;
|
|
break;
|
|
|
|
case 'REGISTER_CLOSED':
|
|
default:
|
|
$serverdata['register_policy'] = Register::CLOSED;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return $serverdata;
|
|
}
|
|
|
|
private static function validHostMeta($url)
|
|
{
|
|
$xrd_timeout = Config::get('system', 'xrd_timeout');
|
|
$curlResult = Network::curl($url . '/.well-known/host-meta', false, ['timeout' => $xrd_timeout]);
|
|
if (!$curlResult->isSuccess()) {
|
|
return false;
|
|
}
|
|
|
|
$xrd = XML::parseString($curlResult->getBody(), false);
|
|
if (!is_object($xrd)) {
|
|
return false;
|
|
}
|
|
|
|
$elements = XML::elementToArray($xrd);
|
|
if (empty($elements) || empty($elements['xrd']) || empty($elements['xrd']['link'])) {
|
|
return false;
|
|
}
|
|
|
|
$valid = false;
|
|
foreach ($elements['xrd']['link'] as $link) {
|
|
if (empty($link['rel']) || empty($link['type']) || empty($link['template'])) {
|
|
continue;
|
|
}
|
|
|
|
if ($link['type'] == 'application/xrd+xml') {
|
|
// When the webfinger host is the same like the system host, it should be ok.
|
|
$valid = (parse_url($url, PHP_URL_HOST) == parse_url($link['template'], PHP_URL_HOST));
|
|
}
|
|
}
|
|
|
|
return $valid;
|
|
}
|
|
|
|
private static function detectNetworkViaContacts($url, $serverdata)
|
|
{
|
|
$contacts = '';
|
|
$fields = ['nurl', 'url'];
|
|
|
|
$gcontacts = DBA::select('gcontact', $fields, ['server_url' => [$url, $serverdata['nurl']]]);
|
|
while ($gcontact = DBA::fetch($gcontacts)) {
|
|
$contacts[$gcontact['nurl']] = $gcontact['url'];
|
|
}
|
|
DBA::close($gcontacts);
|
|
|
|
$apcontacts = DBA::select('apcontact', $fields, ['baseurl' => [$url, $serverdata['nurl']]]);
|
|
while ($gcontact = DBA::fetch($gcontacts)) {
|
|
$contacts[$apcontact['nurl']] = $apcontact['url'];
|
|
}
|
|
DBA::close($apcontacts);
|
|
|
|
$pcontacts = DBA::select('contact', $fields, ['uid' => 0, 'baseurl' => [$url, $serverdata['nurl']]]);
|
|
while ($gcontact = DBA::fetch($gcontacts)) {
|
|
$contacts[$pcontact['nurl']] = $pcontact['url'];
|
|
}
|
|
DBA::close($pcontacts);
|
|
|
|
if (empty($contacts)) {
|
|
return $serverdata;
|
|
}
|
|
|
|
foreach ($contacts as $contact) {
|
|
$probed = Probe::uri($contact);
|
|
if (in_array($probed['network'], Protocol::FEDERATED)) {
|
|
$serverdata['network'] = $probed['network'];
|
|
break;
|
|
}
|
|
}
|
|
|
|
$serverdata['registered-users'] = max($serverdata['registered-users'], count($contacts));
|
|
|
|
return $serverdata;
|
|
}
|
|
|
|
private static function checkPoCo($url, $serverdata)
|
|
{
|
|
$curlResult = Network::curl($url. '/poco');
|
|
if (!$curlResult->isSuccess()) {
|
|
return $serverdata;
|
|
}
|
|
|
|
$data = json_decode($curlResult->getBody(), true);
|
|
if (empty($data)) {
|
|
return $serverdata;
|
|
}
|
|
|
|
if (!empty($data['totalResults'])) {
|
|
$registeredUsers = $serverdata['registered-users'] ?? 0;
|
|
$serverdata['registered-users'] = max($data['totalResults'], $registeredUsers);
|
|
$serverdata['poco'] = $url . '/poco';
|
|
} else {
|
|
$serverdata['poco'] = '';
|
|
}
|
|
|
|
return $serverdata;
|
|
}
|
|
|
|
private static function detectNextcloud($url, $serverdata)
|
|
{
|
|
$curlResult = Network::curl($url . '/status.php');
|
|
|
|
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
|
|
return $serverdata;
|
|
}
|
|
|
|
$data = json_decode($curlResult->getBody(), true);
|
|
if (empty($data)) {
|
|
return $serverdata;
|
|
}
|
|
|
|
if (!empty($data['version'])) {
|
|
$serverdata['platform'] = 'nextcloud';
|
|
$serverdata['version'] = $data['version'];
|
|
$serverdata['network'] = Protocol::ACTIVITYPUB;
|
|
}
|
|
|
|
return $serverdata;
|
|
}
|
|
|
|
private static function detectMastodonAlikes($url, $serverdata)
|
|
{
|
|
$curlResult = Network::curl($url . '/api/v1/instance');
|
|
|
|
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
|
|
return $serverdata;
|
|
}
|
|
|
|
$data = json_decode($curlResult->getBody(), true);
|
|
if (empty($data)) {
|
|
return $serverdata;
|
|
}
|
|
|
|
if (!empty($data['version'])) {
|
|
$serverdata['platform'] = 'mastodon';
|
|
$serverdata['version'] = defaults($data, 'version', '');
|
|
$serverdata['network'] = Protocol::ACTIVITYPUB;
|
|
}
|
|
|
|
if (!empty($data['title'])) {
|
|
$serverdata['site_name'] = $data['title'];
|
|
}
|
|
|
|
if (!empty($data['description'])) {
|
|
$serverdata['info'] = trim($data['description']);
|
|
}
|
|
|
|
if (!empty($data['stats']['user_count'])) {
|
|
$serverdata['registered-users'] = $data['stats']['user_count'];
|
|
}
|
|
|
|
if (!empty($serverdata['version']) && preg_match('/.*?\(compatible;\s(.*)\s(.*)\)/ism', $serverdata['version'], $matches)) {
|
|
$serverdata['platform'] = $matches[1];
|
|
$serverdata['version'] = $matches[2];
|
|
}
|
|
|
|
if (!empty($serverdata['version']) && strstr($serverdata['version'], 'Pleroma')) {
|
|
$serverdata['platform'] = 'pleroma';
|
|
$serverdata['version'] = trim(str_replace('Pleroma', '', $serverdata['version']));
|
|
}
|
|
|
|
return $serverdata;
|
|
}
|
|
|
|
private static function detectHubzilla($url, $serverdata)
|
|
{
|
|
$curlResult = Network::curl($url . '/api/statusnet/config.json');
|
|
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
|
|
return $serverdata;
|
|
}
|
|
|
|
$data = json_decode($curlResult->getBody(), true);
|
|
if (empty($data)) {
|
|
return $serverdata;
|
|
}
|
|
|
|
if (!empty($data['site']['name'])) {
|
|
$serverdata['site_name'] = $data['site']['name'];
|
|
}
|
|
|
|
if (!empty($data['site']['platform'])) {
|
|
$serverdata['platform'] = $data['site']['platform']['PLATFORM_NAME'];
|
|
$serverdata['version'] = $data['site']['platform']['STD_VERSION'];
|
|
$serverdata['network'] = Protocol::ZOT;
|
|
}
|
|
|
|
if (!empty($data['site']['hubzilla'])) {
|
|
$serverdata['platform'] = $data['site']['hubzilla']['PLATFORM_NAME'];
|
|
$serverdata['version'] = $data['site']['hubzilla']['RED_VERSION'];
|
|
$serverdata['network'] = Protocol::ZOT;
|
|
}
|
|
|
|
if (!empty($data['site']['redmatrix'])) {
|
|
if (!empty($data['site']['redmatrix']['PLATFORM_NAME'])) {
|
|
$serverdata['platform'] = $data['site']['redmatrix']['PLATFORM_NAME'];
|
|
} elseif (!empty($data['site']['redmatrix']['RED_PLATFORM'])) {
|
|
$serverdata['platform'] = $data['site']['redmatrix']['RED_PLATFORM'];
|
|
}
|
|
|
|
$serverdata['version'] = $data['site']['redmatrix']['RED_VERSION'];
|
|
$serverdata['network'] = Protocol::ZOT;
|
|
}
|
|
|
|
$private = false;
|
|
$inviteonly = false;
|
|
$closed = false;
|
|
|
|
if (!empty($data['site']['closed'])) {
|
|
$closed = self::toBoolean($data['site']['closed']);
|
|
}
|
|
|
|
if (!empty($data['site']['private'])) {
|
|
$private = self::toBoolean($data['site']['private']);
|
|
}
|
|
|
|
if (!empty($data['site']['inviteonly'])) {
|
|
$inviteonly = self::toBoolean($data['site']['inviteonly']);
|
|
}
|
|
|
|
if (!$closed && !$private and $inviteonly) {
|
|
$register_policy = Register::APPROVE;
|
|
} elseif (!$closed && !$private) {
|
|
$register_policy = Register::OPEN;
|
|
} else {
|
|
$register_policy = Register::CLOSED;
|
|
}
|
|
|
|
return $serverdata;
|
|
}
|
|
|
|
private static function toBoolean($val)
|
|
{
|
|
if (($val == 'true') || ($val == 1)) {
|
|
return true;
|
|
} elseif (($val == 'false') || ($val == 0)) {
|
|
return false;
|
|
}
|
|
|
|
return $val;
|
|
}
|
|
|
|
private static function detectGNUSocial($url, $serverdata)
|
|
{
|
|
$curlResult = Network::curl($url . '/api/statusnet/version.json');
|
|
|
|
if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') &&
|
|
($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) {
|
|
$serverdata['platform'] = 'StatusNet';
|
|
// Remove junk that some GNU Social servers return
|
|
$serverdata['version'] = str_replace(chr(239).chr(187).chr(191), '', $curlResult->getBody());
|
|
$serverdata['version'] = trim($serverdata['version'], '"');
|
|
$serverdata['network'] = Protocol::OSTATUS;
|
|
}
|
|
|
|
// Test for GNU Social
|
|
$curlResult = Network::curl($url . '/api/gnusocial/version.json');
|
|
|
|
if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') &&
|
|
($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) {
|
|
$serverdata['platform'] = 'GNU Social';
|
|
// Remove junk that some GNU Social servers return
|
|
$serverdata['version'] = str_replace(chr(239) . chr(187) . chr(191), '', $curlResult->getBody());
|
|
$serverdata['version'] = trim($serverdata['version'], '"');
|
|
$serverdata['network'] = Protocol::OSTATUS;
|
|
}
|
|
|
|
return $serverdata;
|
|
}
|
|
|
|
private static function detectFriendica($url, $serverdata)
|
|
{
|
|
$curlResult = Network::curl($url . '/friendica/json');
|
|
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] = $attribute->value;
|
|
}
|
|
|
|
if (empty($attr['name']) || empty($attr['content'])) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if ($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') {
|
|
$serverdata['platform'] = $attr['content'];
|
|
|
|
$version_part = explode(' ', $attr['content']);
|
|
|
|
if (count($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] = $attribute->value;
|
|
}
|
|
|
|
if (empty($attr['property']) || empty($attr['content'])) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if ($attr['property'] == 'og:site_name') {
|
|
$serverdata['site_name'] = $attr['content'];
|
|
}
|
|
|
|
if ($attr['property'] == 'og:description') {
|
|
$serverdata['info'] = $attr['content'];
|
|
}
|
|
|
|
if ($attr['property'] == 'og:platform') {
|
|
$serverdata['platform'] = $attr['content'];
|
|
|
|
if (in_array($attr['content'], ['PeerTube'])) {
|
|
$serverdata['network'] = Protocol::ACTIVITYPUB;
|
|
}
|
|
}
|
|
|
|
if ($attr['property'] == 'generator') {
|
|
$serverdata['platform'] = $attr['content'];
|
|
|
|
if (in_array($attr['content'], ['hubzilla'])) {
|
|
// We later check which compatible protocol modules are loaded.
|
|
$serverdata['network'] = Protocol::ZOT;
|
|
}
|
|
}
|
|
}
|
|
|
|
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');
|
|
}
|
|
return $serverdata;
|
|
}
|
|
}
|