<?php
-
/**
- * @file src/Model/GServer.php
- * @brief This file includes the GServer class to handle with servers
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
*/
+
namespace Friendica\Model;
use DOMDocument;
use DOMXPath;
-use Friendica\Core\Config;
+use Exception;
+use Friendica\Core\Logger;
use Friendica\Core\Protocol;
+use Friendica\Core\System;
+use Friendica\Core\Worker;
+use Friendica\Database\Database;
use Friendica\Database\DBA;
+use Friendica\DI;
use Friendica\Module\Register;
-use Friendica\Util\Network;
+use Friendica\Network\HTTPClient\Client\HttpClientOptions;
+use Friendica\Network\HTTPClient\Capability\ICanHandleHttpResponses;
+use Friendica\Network\HTTPClient\Client\HttpClient;
+use Friendica\Protocol\Relay;
use Friendica\Util\DateTimeFormat;
+use Friendica\Util\Network;
use Friendica\Util\Strings;
use Friendica\Util\XML;
-use Friendica\Core\Logger;
/**
- * @brief This class handles GServer related functions
+ * This class handles GServer related functions
*/
class GServer
{
+ // Directory types
+ const DT_NONE = 0;
+ const DT_POCO = 1;
+ const DT_MASTODON = 2;
+
+ // Methods to detect server types
+
+ // Non endpoint specific methods
+ const DETECT_MANUAL = 0;
+ const DETECT_HEADER = 1;
+ const DETECT_BODY = 2;
+
+ // Implementation specific endpoints
+ const DETECT_FRIENDIKA = 10;
+ const DETECT_FRIENDICA = 11;
+ const DETECT_STATUSNET = 12;
+ const DETECT_GNUSOCIAL = 13;
+ const DETECT_CONFIG_JSON = 14; // Statusnet, GNU Social, Older Hubzilla/Redmatrix
+ const DETECT_SITEINFO_JSON = 15; // Newer Hubzilla
+ const DETECT_MASTODON_API = 16;
+ const DETECT_STATUS_PHP = 17; // Nextcloud
+ const DETECT_V1_CONFIG = 18;
+ const DETECT_PUMPIO = 19;
+
+ // Standardized endpoints
+ const DETECT_STATISTICS_JSON = 100;
+ const DETECT_NODEINFO_1 = 101;
+ const DETECT_NODEINFO_2 = 102;
+
+ /**
+ * Check for the existance of a server and adds it in the background if not existant
+ *
+ * @param string $url
+ * @param boolean $only_nodeinfo
+ * @return void
+ */
+ public static function add(string $url, bool $only_nodeinfo = false)
+ {
+ if (self::getID($url, false)) {
+ return;
+ }
+
+ Worker::add(PRIORITY_LOW, 'UpdateGServer', $url, $only_nodeinfo);
+ }
+
+ /**
+ * Get the ID for the given server URL
+ *
+ * @param string $url
+ * @param boolean $no_check Don't check if the server hadn't been found
+ * @return int gserver id
+ */
+ public static function getID(string $url, bool $no_check = false)
+ {
+ if (empty($url)) {
+ return null;
+ }
+
+ $url = self::cleanURL($url);
+
+ $gserver = DBA::selectFirst('gserver', ['id'], ['nurl' => Strings::normaliseLink($url)]);
+ if (DBA::isResult($gserver)) {
+ Logger::info('Got ID for URL', ['id' => $gserver['id'], 'url' => $url, 'callstack' => System::callstack(20)]);
+ return $gserver['id'];
+ }
+
+ if ($no_check || !self::check($url)) {
+ return null;
+ }
+
+ return self::getID($url, true);
+ }
+
+ /**
+ * Retrieves all the servers which base domain are matching the provided domain pattern
+ *
+ * The pattern is a simple fnmatch() pattern with ? for single wildcard and * for multiple wildcard
+ *
+ * @param string $pattern
+ * @return array
+ * @throws Exception
+ */
+ public static function listByDomainPattern(string $pattern): array
+ {
+ $likePattern = 'http://' . strtr($pattern, ['_' => '\_', '%' => '\%', '?' => '_', '*' => '%']);
+
+ // The SUBSTRING_INDEX returns everything before the eventual third /, which effectively trims an
+ // eventual server path and keep only the server domain which we're matching against the pattern.
+ $sql = "SELECT `gserver`.*, COUNT(*) AS `contacts`
+ FROM `gserver`
+ LEFT JOIN `contact` ON `gserver`.`id` = `contact`.`gsid`
+ WHERE SUBSTRING_INDEX(`gserver`.`nurl`, '/', 3) LIKE ?
+ AND NOT `gserver`.`failed`
+ GROUP BY `gserver`.`id`";
+
+ $stmt = DI::dba()->p($sql, $likePattern);
+
+ return DI::dba()->toArray($stmt);
+ }
+
+ /**
+ * Checks if the given server is reachable
+ *
+ * @param string $profile URL of the given profile
+ * @param string $server URL of the given server (If empty, taken from profile)
+ * @param string $network Network value that is used, when detection failed
+ * @param boolean $force Force an update.
+ *
+ * @return boolean 'true' if server seems vital
+ */
+ public static function reachable(string $profile, string $server = '', string $network = '', bool $force = false)
+ {
+ if ($server == '') {
+ $contact = Contact::getByURL($profile, null, ['baseurl']);
+ if (!empty($contact['baseurl'])) {
+ $server = $contact['baseurl'];
+ }
+ }
+
+ if ($server == '') {
+ return true;
+ }
+
+ return self::check($server, $network, $force);
+ }
+
+ public static function getNextUpdateDate(bool $success, string $created = '', string $last_contact = '')
+ {
+ // On successful contact process check again next week
+ if ($success) {
+ return DateTimeFormat::utc('now +7 day');
+ }
+
+ $now = strtotime(DateTimeFormat::utcNow());
+
+ if ($created > $last_contact) {
+ $contact_time = strtotime($created);
+ } else {
+ $contact_time = strtotime($last_contact);
+ }
+
+ // If the last contact was less than 6 hours before then try again in 6 hours
+ if (($now - $contact_time) < (60 * 60 * 6)) {
+ return DateTimeFormat::utc('now +6 hour');
+ }
+
+ // If the last contact was less than 12 hours before then try again in 12 hours
+ if (($now - $contact_time) < (60 * 60 * 12)) {
+ return DateTimeFormat::utc('now +12 hour');
+ }
+
+ // If the last contact was less than 24 hours before then try tomorrow again
+ if (($now - $contact_time) < (60 * 60 * 24)) {
+ return DateTimeFormat::utc('now +1 day');
+ }
+
+ // If the last contact was less than a week before then try again in a week
+ if (($now - $contact_time) < (60 * 60 * 24 * 7)) {
+ return DateTimeFormat::utc('now +1 week');
+ }
+
+ // If the last contact was less than two weeks before then try again in two week
+ if (($now - $contact_time) < (60 * 60 * 24 * 14)) {
+ return DateTimeFormat::utc('now +2 week');
+ }
+
+ // If the last contact was less than a month before then try again in a month
+ if (($now - $contact_time) < (60 * 60 * 24 * 30)) {
+ return DateTimeFormat::utc('now +1 month');
+ }
+
+ // The system hadn't been successul contacted for more than a month, so try again in three months
+ return DateTimeFormat::utc('now +3 month');
+ }
+
+ /**
+ * Checks the state of the given server.
+ *
+ * @param string $server_url URL of the given server
+ * @param string $network Network value that is used, when detection failed
+ * @param boolean $force Force an update.
+ * @param boolean $only_nodeinfo Only use nodeinfo for server detection
+ *
+ * @return boolean 'true' if server seems vital
+ */
+ public static function check(string $server_url, string $network = '', bool $force = false, bool $only_nodeinfo = false)
+ {
+ $server_url = self::cleanURL($server_url);
+ if ($server_url == '') {
+ return false;
+ }
+
+ $gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($server_url)]);
+ if (DBA::isResult($gserver)) {
+ if ($gserver['created'] <= DBA::NULL_DATETIME) {
+ $fields = ['created' => DateTimeFormat::utcNow()];
+ $condition = ['nurl' => Strings::normaliseLink($server_url)];
+ DBA::update('gserver', $fields, $condition);
+ }
+
+ if (!$force && (strtotime($gserver['next_contact']) > time())) {
+ Logger::info('No update needed', ['server' => $server_url]);
+ return (!$gserver['failed']);
+ }
+ Logger::info('Server is outdated. Start discovery.', ['Server' => $server_url, 'Force' => $force]);
+ } else {
+ Logger::info('Server is unknown. Start discovery.', ['Server' => $server_url]);
+ }
+
+ return self::detect($server_url, $network, $only_nodeinfo);
+ }
+
+ /**
+ * Set failed server status
+ *
+ * @param string $url
+ */
+ public static function setFailure(string $url)
+ {
+ $gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($url)]);
+ if (DBA::isResult($gserver)) {
+ $next_update = self::getNextUpdateDate(false, $gserver['created'], $gserver['last_contact']);
+ DBA::update('gserver', ['failed' => true, 'last_failure' => DateTimeFormat::utcNow(),
+ 'next_contact' => $next_update, 'detection-method' => null],
+ ['nurl' => Strings::normaliseLink($url)]);
+ Logger::info('Set failed status for existing server', ['url' => $url]);
+ return;
+ }
+ DBA::insert('gserver', ['url' => $url, 'nurl' => Strings::normaliseLink($url),
+ 'network' => Protocol::PHANTOM, 'created' => DateTimeFormat::utcNow(),
+ 'failed' => true, 'last_failure' => DateTimeFormat::utcNow()]);
+ Logger::info('Set failed status for new server', ['url' => $url]);
+ }
+
+ /**
+ * Remove unwanted content from the given URL
+ *
+ * @param string $url
+ * @return string cleaned URL
+ */
+ public static function cleanURL(string $url)
+ {
+ $url = trim($url, '/');
+ $url = str_replace('/index.php', '', $url);
+
+ $urlparts = parse_url($url);
+ unset($urlparts['user']);
+ unset($urlparts['pass']);
+ unset($urlparts['query']);
+ unset($urlparts['fragment']);
+ return Network::unparseURL($urlparts);
+ }
+
+ /**
+ * Return the base URL
+ *
+ * @param string $url
+ * @return string base URL
+ */
+ private static function getBaseURL(string $url)
+ {
+ $urlparts = parse_url(self::cleanURL($url));
+ unset($urlparts['path']);
+ return Network::unparseURL($urlparts);
+ }
+
/**
* Detect server data (type, protocol, version number, ...)
* The detected data is then updated or inserted in the gserver table.
*
- * @param string $url Server url
+ * @param string $url URL of the given server
+ * @param string $network Network value that is used, when detection failed
+ * @param boolean $only_nodeinfo Only use nodeinfo for server detection
*
* @return boolean 'true' if server could be detected
*/
- public static function detect($url)
+ public static function detect(string $url, string $network = '', bool $only_nodeinfo = false)
{
- /// @Todo:
- // - Pleroma version number
+ Logger::info('Detect server type', ['server' => $url]);
+ $serverdata = ['detection-method' => self::DETECT_MANUAL];
- $serverdata = [];
+ $original_url = $url;
+
+ // Remove URL content that is not supposed to exist for a server url
+ $url = self::cleanURL($url);
+
+ // Get base URL
+ $baseurl = self::getBaseURL($url);
+
+ // If the URL missmatches, then we mark the old entry as failure
+ if ($url != $original_url) {
+ /// @todo What to do with "next_contact" here?
+ DBA::update('gserver', ['failed' => true, 'last_failure' => DateTimeFormat::utcNow()],
+ ['nurl' => Strings::normaliseLink($original_url)]);
+ }
// When a nodeinfo is present, we don't need to dig further
- $xrd_timeout = Config::get('system', 'xrd_timeout');
- $curlResult = Network::curl($url . '/.well-known/nodeinfo', false, ['timeout' => $xrd_timeout]);
+ $xrd_timeout = DI::config()->get('system', 'xrd_timeout');
+ $curlResult = DI::httpClient()->get($url . '/.well-known/nodeinfo', [HttpClientOptions::TIMEOUT => $xrd_timeout, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
if ($curlResult->isTimeout()) {
- DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]);
+ self::setFailure($url);
return false;
}
+ // On a redirect follow the new host but mark the old one as failure
+ if ($curlResult->isSuccess() && !empty($curlResult->getRedirectUrl()) && (parse_url($url, PHP_URL_HOST) != parse_url($curlResult->getRedirectUrl(), PHP_URL_HOST))) {
+ $curlResult = DI::httpClient()->get($url, [HttpClientOptions::TIMEOUT => $xrd_timeout, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_HTML]);
+ if (!empty($curlResult->getRedirectUrl()) && parse_url($url, PHP_URL_HOST) != parse_url($curlResult->getRedirectUrl(), PHP_URL_HOST)) {
+ Logger::info('Found redirect. Mark old entry as failure', ['old' => $url, 'new' => $curlResult->getRedirectUrl()]);
+ self::setFailure($url);
+ self::detect($curlResult->getRedirectUrl(), $network, $only_nodeinfo);
+ return false;
+ }
+ }
+
$nodeinfo = self::fetchNodeinfo($url, $curlResult);
+ if ($only_nodeinfo && empty($nodeinfo)) {
+ Logger::info('Invalid nodeinfo in nodeinfo-mode, server is marked as failure', ['url' => $url]);
+ self::setFailure($url);
+ return false;
+ }
// When nodeinfo isn't present, we use the older 'statistics.json' endpoint
if (empty($nodeinfo)) {
}
// If that didn't work out well, we use some protocol specific endpoints
- if (empty($nodeinfo) || empty($nodeinfo['network']) || ($nodeinfo['network'] == Protocol::DFRN)) {
- // Fetch the landing page, possibly it reveals some data
- $curlResult = Network::curl($url, false, ['timeout' => $xrd_timeout]);
- if ($curlResult->isSuccess()) {
- $serverdata = self::analyseRootHeader($curlResult, $serverdata);
- $serverdata = self::analyseRootBody($curlResult, $serverdata);
+ // For Friendica and Zot based networks we have to dive deeper to reveal more details
+ if (empty($nodeinfo['network']) || in_array($nodeinfo['network'], [Protocol::DFRN, Protocol::ZOT])) {
+ if (!empty($nodeinfo['detection-method'])) {
+ $serverdata['detection-method'] = $nodeinfo['detection-method'];
+
+ foreach (['registered-users', 'active_users_monthly', 'active-halfyear-users', 'local-posts'] as $field) {
+ if (!empty($nodeinfo[$field])) {
+ $serverdata[$field] = $nodeinfo[$field];
+ }
+ }
}
- if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
- DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]);
- return false;
- }
+ // Fetch the landing page, possibly it reveals some data
+ if (empty($nodeinfo['network'])) {
+ if ($baseurl == $url) {
+ $basedata = $serverdata;
+ } else {
+ $basedata = ['detection-method' => self::DETECT_MANUAL];
+ }
- if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::DFRN)) {
- $serverdata = self::detectFriendica($url, $serverdata);
+ $curlResult = DI::httpClient()->get($baseurl, [HttpClientOptions::TIMEOUT => $xrd_timeout, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_HTML]);
+ if ($curlResult->isSuccess()) {
+ if (!empty($curlResult->getRedirectUrl()) && (parse_url($baseurl, PHP_URL_HOST) != parse_url($curlResult->getRedirectUrl(), PHP_URL_HOST))) {
+ Logger::info('Found redirect. Mark old entry as failure', ['old' => $url, 'new' => $curlResult->getRedirectUrl()]);
+ self::setFailure($url);
+ self::detect($curlResult->getRedirectUrl(), $network, $only_nodeinfo);
+ return false;
+ }
+
+ $basedata = self::analyseRootHeader($curlResult, $basedata);
+ $basedata = self::analyseRootBody($curlResult, $basedata, $baseurl);
+ }
+
+ if (!$curlResult->isSuccess() || empty($curlResult->getBody()) || self::invalidBody($curlResult->getBody())) {
+ self::setFailure($url);
+ return false;
+ }
+
+ if ($baseurl == $url) {
+ $serverdata = $basedata;
+ } else {
+ // When the base path doesn't seem to contain a social network we try the complete path.
+ // Most detectable system have to be installed in the root directory.
+ // We checked the base to avoid false positives.
+ $curlResult = DI::httpClient()->get($url, [HttpClientOptions::TIMEOUT => $xrd_timeout, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_HTML]);
+ if ($curlResult->isSuccess()) {
+ $urldata = self::analyseRootHeader($curlResult, $serverdata);
+ $urldata = self::analyseRootBody($curlResult, $urldata, $url);
+
+ $comparebase = $basedata;
+ unset($comparebase['info']);
+ unset($comparebase['site_name']);
+ $compareurl = $urldata;
+ unset($compareurl['info']);
+ unset($compareurl['site_name']);
+
+ // We assume that no one will install the identical system in the root and a subfolder
+ if (!empty(array_diff($comparebase, $compareurl))) {
+ $serverdata = $urldata;
+ }
+ }
+ }
}
if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::ACTIVITYPUB)) {
$serverdata = self::detectMastodonAlikes($url, $serverdata);
}
+ // All following checks are done for systems that always have got a "host-meta" endpoint.
+ // With this check we don't have to waste time and ressources for dead systems.
+ // Also this hopefully prevents us from receiving abuse messages.
+ $validHostMeta = self::validHostMeta($url);
+
+ if (empty($serverdata['network']) && !$validHostMeta) {
+ $serverdata = self::detectFromContacts($url, $serverdata);
+ }
+
+ if (empty($serverdata['network']) && !$validHostMeta) {
+ self::setFailure($url);
+ return false;
+ }
+
+ if (empty($serverdata['network']) || in_array($serverdata['network'], [Protocol::DFRN, Protocol::ACTIVITYPUB])) {
+ $serverdata = self::detectFriendica($url, $serverdata);
+ }
+
// the 'siteinfo.json' is some specific endpoint of Hubzilla and Red
if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::ZOT)) {
$serverdata = self::fetchSiteinfo($url, $serverdata);
$serverdata = self::detectHubzilla($url, $serverdata);
}
+ if (empty($serverdata['network']) || in_array($serverdata['detection-method'], [self::DETECT_MANUAL, self::DETECT_BODY])) {
+ $serverdata = self::detectPeertube($url, $serverdata);
+ }
+
if (empty($serverdata['network'])) {
$serverdata = self::detectNextcloud($url, $serverdata);
}
if (empty($serverdata['network'])) {
$serverdata = self::detectGNUSocial($url, $serverdata);
}
+
+ if (empty($serverdata['network'])) {
+ $serverdata = self::detectPumpIO($url, $serverdata);
+ }
+
+ $serverdata = array_merge($nodeinfo, $serverdata);
} else {
$serverdata = $nodeinfo;
}
+ // Detect the directory type
+ $serverdata['directory-type'] = self::DT_NONE;
$serverdata = self::checkPoCo($url, $serverdata);
+ $serverdata = self::checkMastodonDirectory($url, $serverdata);
// We can't detect the network type. Possibly it is some system that we don't know yet
if (empty($serverdata['network'])) {
$serverdata['network'] = Protocol::PHANTOM;
}
- // Check host-meta for phantom networks.
- // Although this is not needed, it is a good indicator for a living system,
- // since most systems had implemented it.
- if (($serverdata['network'] == Protocol::PHANTOM) && !self::validHostMeta($url)) {
- DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]);
- return false;
+ // When we hadn't been able to detect the network type, we use the hint from the parameter
+ if (($serverdata['network'] == Protocol::PHANTOM) && !empty($network)) {
+ $serverdata['network'] = $network;
}
$serverdata['url'] = $url;
$serverdata['nurl'] = Strings::normaliseLink($url);
- // We take the highest number that we do find
- $registeredUsers = $serverdata['registered-users'] ?? 0;
+ if (in_array($serverdata['network'], [Protocol::PHANTOM, Protocol::FEED])) {
+ $serverdata = self::detectNetworkViaContacts($url, $serverdata);
+ }
+
+ if ($serverdata['network'] == Protocol::ACTIVITYPUB) {
+ $serverdata = self::fetchWeeklyUsage($url, $serverdata);
+ }
+
+ $serverdata['registered-users'] = $serverdata['registered-users'] ?? 0;
// On an active server there has to be at least a single user
- if (($serverdata['network'] != Protocol::PHANTOM) && ($registeredUsers == 0)) {
- $registeredUsers = 1;
+ if (!in_array($serverdata['network'], [Protocol::PHANTOM, Protocol::FEED]) && ($serverdata['registered-users'] == 0)) {
+ $serverdata['registered-users'] = 1;
+ } elseif (in_array($serverdata['network'], [Protocol::PHANTOM, Protocol::FEED])) {
+ $serverdata['registered-users'] = 0;
}
- $gcontacts = DBA::count('gcontact', ['server_url' => [$url, $serverdata['nurl']]]);
- $apcontacts = DBA::count('apcontact', ['baseurl' => [$url, $serverdata['nurl']]]);
- $contacts = DBA::count('contact', ['uid' => 0, 'baseurl' => [$url, $serverdata['nurl']]]);
- $serverdata['registered-users'] = max($gcontacts, $apcontacts, $contacts, $registeredUsers);
+ $serverdata['next_contact'] = self::getNextUpdateDate(true);
$serverdata['last_contact'] = DateTimeFormat::utcNow();
+ $serverdata['failed'] = false;
- if (!DBA::exists('gserver', ['nurl' => Strings::normaliseLink($url)])) {
+ $gserver = DBA::selectFirst('gserver', ['network'], ['nurl' => Strings::normaliseLink($url)]);
+ if (!DBA::isResult($gserver)) {
$serverdata['created'] = DateTimeFormat::utcNow();
$ret = DBA::insert('gserver', $serverdata);
+ $id = DBA::lastInsertId();
} else {
$ret = DBA::update('gserver', $serverdata, ['nurl' => $serverdata['nurl']]);
+ $gserver = DBA::selectFirst('gserver', ['id'], ['nurl' => $serverdata['nurl']]);
+ if (DBA::isResult($gserver)) {
+ $id = $gserver['id'];
+ }
}
- print_r($serverdata);
+ // Count the number of known contacts from this server
+ if (!empty($id) && !in_array($serverdata['network'], [Protocol::PHANTOM, Protocol::FEED])) {
+ $apcontacts = DBA::count('apcontact', ['gsid' => $id]);
+ $contacts = DBA::count('contact', ['uid' => 0, 'gsid' => $id, 'failed' => false]);
+ $max_users = max($apcontacts, $contacts);
+ if ($max_users > $serverdata['registered-users']) {
+ Logger::info('Update registered users', ['id' => $id, 'url' => $serverdata['nurl'], 'registered-users' => $max_users]);
+ DBA::update('gserver', ['registered-users' => $max_users], ['id' => $id]);
+ }
+
+ if (empty($serverdata['active-month-users'])) {
+ $contacts = DBA::count('contact', ["`uid` = ? AND `gsid` = ? AND NOT `failed` AND `last-item` > ?", 0, $id, DateTimeFormat::utc('now - 30 days')]);
+ if ($contacts > 0) {
+ Logger::info('Update monthly users', ['id' => $id, 'url' => $serverdata['nurl'], 'monthly-users' => $contacts]);
+ DBA::update('gserver', ['active-month-users' => $contacts], ['id' => $id]);
+ }
+ }
+
+ if (empty($serverdata['active-halfyear-users'])) {
+ $contacts = DBA::count('contact', ["`uid` = ? AND `gsid` = ? AND NOT `failed` AND `last-item` > ?", 0, $id, DateTimeFormat::utc('now - 180 days')]);
+ if ($contacts > 0) {
+ Logger::info('Update halfyear users', ['id' => $id, 'url' => $serverdata['nurl'], 'halfyear-users' => $contacts]);
+ DBA::update('gserver', ['active-halfyear-users' => $contacts], ['id' => $id]);
+ }
+ }
+ }
+
+ if (!empty($serverdata['network']) && in_array($serverdata['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
+ self::discoverRelay($url);
+ }
return $ret;
}
- private static function fetchStatistics($url)
+ /**
+ * Fetch relay data from a given server url
+ *
+ * @param string $server_url address of the server
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ private static function discoverRelay(string $server_url)
{
- $curlResult = Network::curl($url . '/statistics.json');
+ Logger::info('Discover relay data', ['server' => $server_url]);
+
+ $curlResult = DI::httpClient()->get($server_url . '/.well-known/x-social-relay', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
+ if (!$curlResult->isSuccess()) {
+ return;
+ }
+
+ $data = json_decode($curlResult->getBody(), true);
+ if (!is_array($data)) {
+ return;
+ }
+
+ // Sanitize incoming data, see https://github.com/friendica/friendica/issues/8565
+ $data['subscribe'] = (bool)$data['subscribe'] ?? false;
+
+ if (!$data['subscribe'] || empty($data['scope']) || !in_array(strtolower($data['scope']), ['all', 'tags'])) {
+ $data['scope'] = '';
+ $data['subscribe'] = false;
+ $data['tags'] = [];
+ }
+
+ $gserver = DBA::selectFirst('gserver', ['id', 'url', 'network', 'relay-subscribe', 'relay-scope'], ['nurl' => Strings::normaliseLink($server_url)]);
+ if (!DBA::isResult($gserver)) {
+ return;
+ }
+
+ if (($gserver['relay-subscribe'] != $data['subscribe']) || ($gserver['relay-scope'] != $data['scope'])) {
+ $fields = ['relay-subscribe' => $data['subscribe'], 'relay-scope' => $data['scope']];
+ DBA::update('gserver', $fields, ['id' => $gserver['id']]);
+ }
+
+ DBA::delete('gserver-tag', ['gserver-id' => $gserver['id']]);
+
+ if ($data['scope'] == 'tags') {
+ // Avoid duplicates
+ $tags = [];
+ foreach ($data['tags'] as $tag) {
+ $tag = mb_strtolower($tag);
+ if (strlen($tag) < 100) {
+ $tags[$tag] = $tag;
+ }
+ }
+
+ foreach ($tags as $tag) {
+ DBA::insert('gserver-tag', ['gserver-id' => $gserver['id'], 'tag' => $tag], Database::INSERT_IGNORE);
+ }
+ }
+
+ // Create or update the relay contact
+ $fields = [];
+ if (isset($data['protocols'])) {
+ if (isset($data['protocols']['diaspora'])) {
+ $fields['network'] = Protocol::DIASPORA;
+
+ if (isset($data['protocols']['diaspora']['receive'])) {
+ $fields['batch'] = $data['protocols']['diaspora']['receive'];
+ } elseif (is_string($data['protocols']['diaspora'])) {
+ $fields['batch'] = $data['protocols']['diaspora'];
+ }
+ }
+
+ if (isset($data['protocols']['dfrn'])) {
+ $fields['network'] = Protocol::DFRN;
+
+ if (isset($data['protocols']['dfrn']['receive'])) {
+ $fields['batch'] = $data['protocols']['dfrn']['receive'];
+ } elseif (is_string($data['protocols']['dfrn'])) {
+ $fields['batch'] = $data['protocols']['dfrn'];
+ }
+ }
+
+ if (isset($data['protocols']['activitypub'])) {
+ $fields['network'] = Protocol::ACTIVITYPUB;
+
+ if (!empty($data['protocols']['activitypub']['actor'])) {
+ $fields['url'] = $data['protocols']['activitypub']['actor'];
+ }
+ if (!empty($data['protocols']['activitypub']['receive'])) {
+ $fields['batch'] = $data['protocols']['activitypub']['receive'];
+ }
+ }
+ }
+
+ Logger::info('Discovery ended', ['server' => $server_url, 'data' => $fields]);
+
+ Relay::updateContact($gserver, $fields);
+ }
+
+ /**
+ * Fetch server data from '/statistics.json' on the given server
+ *
+ * @param string $url URL of the given server
+ *
+ * @return array server data
+ */
+ private static function fetchStatistics(string $url)
+ {
+ $curlResult = DI::httpClient()->get($url . '/statistics.json', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
if (!$curlResult->isSuccess()) {
return [];
}
return [];
}
- $serverdata = [];
+ $serverdata = ['detection-method' => self::DETECT_STATISTICS_JSON];
if (!empty($data['version'])) {
$serverdata['version'] = $data['version'];
}
if (!empty($data['network'])) {
- $serverdata['platform'] = $data['network'];
+ $serverdata['platform'] = strtolower($data['network']);
- if ($serverdata['platform'] == 'Diaspora') {
+ if ($serverdata['platform'] == 'diaspora') {
$serverdata['network'] = Protocol::DIASPORA;
- } elseif ($serverdata['platform'] == 'Friendica') {
+ } elseif ($serverdata['platform'] == 'friendica') {
$serverdata['network'] = Protocol::DFRN;
} elseif ($serverdata['platform'] == 'hubzilla') {
$serverdata['network'] = Protocol::ZOT;
}
}
+ if (!empty($data['total_users'])) {
+ $serverdata['registered-users'] = max($data['total_users'], 1);
+ }
+
+ if (!empty($data['active_users_monthly'])) {
+ $serverdata['active-month-users'] = max($data['active_users_monthly'], 0);
+ }
+
+ if (!empty($data['active_users_halfyear'])) {
+ $serverdata['active-halfyear-users'] = max($data['active_users_halfyear'], 0);
+ }
+
+ if (!empty($data['local_posts'])) {
+ $serverdata['local-posts'] = max($data['local_posts'], 0);
+ }
if (!empty($data['registrations_open'])) {
$serverdata['register_policy'] = Register::OPEN;
}
/**
- * @brief Detect server type by using the nodeinfo data
+ * Detect server type by using the nodeinfo data
+ *
+ * @param string $url address of the server
+ * @param ICanHandleHttpResponses $httpResult
*
- * @param string $url address of the server
* @return array Server data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- private static function fetchNodeinfo($url, $curlResult)
+ private static function fetchNodeinfo(string $url, ICanHandleHttpResponses $httpResult)
{
- $nodeinfo = json_decode($curlResult->getBody(), true);
+ if (!$httpResult->isSuccess()) {
+ return [];
+ }
+
+ $nodeinfo = json_decode($httpResult->getBody(), true);
if (!is_array($nodeinfo) || empty($nodeinfo['links'])) {
return [];
}
/**
- * @brief Parses Nodeinfo 1
+ * Parses Nodeinfo 1
*
* @param string $nodeinfo_url address of the nodeinfo path
* @return array Server data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- private static function parseNodeinfo1($nodeinfo_url)
+ private static function parseNodeinfo1(string $nodeinfo_url)
{
- $curlResult = Network::curl($nodeinfo_url);
-
+ $curlResult = DI::httpClient()->get($nodeinfo_url, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
if (!$curlResult->isSuccess()) {
- return false;
+ return [];
}
$nodeinfo = json_decode($curlResult->getBody(), true);
if (!is_array($nodeinfo)) {
- return false;
+ return [];
}
- $server = [];
-
- $server['register_policy'] = Register::CLOSED;
+ $server = ['detection-method' => self::DETECT_NODEINFO_1,
+ 'register_policy' => Register::CLOSED];
if (!empty($nodeinfo['openRegistrations'])) {
$server['register_policy'] = Register::OPEN;
if (is_array($nodeinfo['software'])) {
if (!empty($nodeinfo['software']['name'])) {
- $server['platform'] = $nodeinfo['software']['name'];
+ $server['platform'] = strtolower($nodeinfo['software']['name']);
}
if (!empty($nodeinfo['software']['version'])) {
}
if (!empty($nodeinfo['usage']['users']['total'])) {
- $server['registered-users'] = $nodeinfo['usage']['users']['total'];
+ $server['registered-users'] = max($nodeinfo['usage']['users']['total'], 1);
+ }
+
+ if (!empty($nodeinfo['usage']['users']['activeMonth'])) {
+ $server['active-month-users'] = max($nodeinfo['usage']['users']['activeMonth'], 0);
+ }
+
+ if (!empty($nodeinfo['usage']['users']['activeHalfyear'])) {
+ $server['active-halfyear-users'] = max($nodeinfo['usage']['users']['activeHalfyear'], 0);
+ }
+
+ if (!empty($nodeinfo['usage']['localPosts'])) {
+ $server['local-posts'] = max($nodeinfo['usage']['localPosts'], 0);
+ }
+
+ if (!empty($nodeinfo['usage']['localComments'])) {
+ $server['local-comments'] = max($nodeinfo['usage']['localComments'], 0);
}
if (!empty($nodeinfo['protocols']['inbound']) && is_array($nodeinfo['protocols']['inbound'])) {
}
}
- if (!$server) {
- return false;
+ if (empty($server)) {
+ return [];
}
return $server;
}
/**
- * @brief Parses Nodeinfo 2
+ * Parses Nodeinfo 2
*
+ * @see https://git.feneas.org/jaywink/nodeinfo2
* @param string $nodeinfo_url address of the nodeinfo path
* @return array Server data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- private static function parseNodeinfo2($nodeinfo_url)
+ private static function parseNodeinfo2(string $nodeinfo_url)
{
- $curlResult = Network::curl($nodeinfo_url);
+ $curlResult = DI::httpClient()->get($nodeinfo_url, [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
if (!$curlResult->isSuccess()) {
- return false;
+ return [];
}
$nodeinfo = json_decode($curlResult->getBody(), true);
if (!is_array($nodeinfo)) {
- return false;
+ return [];
}
- $server = [];
-
- $server['register_policy'] = Register::CLOSED;
+ $server = ['detection-method' => self::DETECT_NODEINFO_2,
+ 'register_policy' => Register::CLOSED];
if (!empty($nodeinfo['openRegistrations'])) {
$server['register_policy'] = Register::OPEN;
if (is_array($nodeinfo['software'])) {
if (!empty($nodeinfo['software']['name'])) {
- $server['platform'] = $nodeinfo['software']['name'];
+ $server['platform'] = strtolower($nodeinfo['software']['name']);
}
if (!empty($nodeinfo['software']['version'])) {
}
if (!empty($nodeinfo['usage']['users']['total'])) {
- $server['registered-users'] = $nodeinfo['usage']['users']['total'];
+ $server['registered-users'] = max($nodeinfo['usage']['users']['total'], 1);
+ }
+
+ if (!empty($nodeinfo['usage']['users']['activeMonth'])) {
+ $server['active-month-users'] = max($nodeinfo['usage']['users']['activeMonth'], 0);
+ }
+
+ if (!empty($nodeinfo['usage']['users']['activeHalfyear'])) {
+ $server['active-halfyear-users'] = max($nodeinfo['usage']['users']['activeHalfyear'], 0);
+ }
+
+ if (!empty($nodeinfo['usage']['localPosts'])) {
+ $server['local-posts'] = max($nodeinfo['usage']['localPosts'], 0);
+ }
+
+ if (!empty($nodeinfo['usage']['localComments'])) {
+ $server['local-comments'] = max($nodeinfo['usage']['localComments'], 0);
}
if (!empty($nodeinfo['protocols'])) {
$protocols = [];
foreach ($nodeinfo['protocols'] as $protocol) {
- $protocols[$protocol] = true;
+ if (is_string($protocol)) {
+ $protocols[$protocol] = true;
+ }
}
- if (!empty($protocols['friendica'])) {
+ if (!empty($protocols['dfrn'])) {
$server['network'] = Protocol::DFRN;
} elseif (!empty($protocols['activitypub'])) {
$server['network'] = Protocol::ACTIVITYPUB;
}
if (empty($server)) {
- return false;
+ return [];
}
return $server;
}
- private static function fetchSiteinfo($url, $serverdata)
+ /**
+ * Fetch server information from a 'siteinfo.json' file on the given server
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function fetchSiteinfo(string $url, array $serverdata)
{
- $curlResult = Network::curl($url . '/siteinfo.json');
+ $curlResult = DI::httpClient()->get($url . '/siteinfo.json', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
if (!$curlResult->isSuccess()) {
return $serverdata;
}
return $serverdata;
}
+ if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ $serverdata['detection-method'] = self::DETECT_SITEINFO_JSON;
+ }
+
if (!empty($data['url'])) {
- $serverdata['platform'] = $data['platform'];
+ $serverdata['platform'] = strtolower($data['platform']);
$serverdata['version'] = $data['version'];
}
}
if (!empty($data['channels_total'])) {
- $serverdata['registered-users'] = $data['channels_total'];
+ $serverdata['registered-users'] = max($data['channels_total'], 1);
+ }
+
+ if (!empty($data['channels_active_monthly'])) {
+ $serverdata['active-month-users'] = max($data['channels_active_monthly'], 0);
+ }
+
+ if (!empty($data['channels_active_halfyear'])) {
+ $serverdata['active-halfyear-users'] = max($data['channels_active_halfyear'], 0);
+ }
+
+ if (!empty($data['local_posts'])) {
+ $serverdata['local-posts'] = max($data['local_posts'], 0);
+ }
+
+ if (!empty($data['local_comments'])) {
+ $serverdata['local-comments'] = max($data['local_comments'], 0);
}
if (!empty($data['register_policy'])) {
return $serverdata;
}
- private static function validHostMeta($url)
+ /**
+ * Checks if the server contains a valid host meta file
+ *
+ * @param string $url URL of the given server
+ *
+ * @return boolean 'true' if the server seems to be vital
+ */
+ private static function validHostMeta(string $url)
{
- $xrd_timeout = Config::get('system', 'xrd_timeout');
- $curlResult = Network::curl($url . '/.well-known/host-meta', false, ['timeout' => $xrd_timeout]);
+ $xrd_timeout = DI::config()->get('system', 'xrd_timeout');
+ $curlResult = DI::httpClient()->get($url . '/.well-known/host-meta', [HttpClientOptions::TIMEOUT => $xrd_timeout, HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_XRD_XML]);
if (!$curlResult->isSuccess()) {
return false;
}
- $xrd = XML::parseString($curlResult->getBody(), false);
- if (!is_object($xrd)) {
- return false;
+ $xrd = XML::parseString($curlResult->getBody());
+ 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 $link) {
+ // When there is more than a single "link" element, the array looks slightly different
+ if (!empty($link['@attributes'])) {
+ $link = $link['@attributes'];
+ }
+
+ if (empty($link['rel']) || empty($link['template'])) {
+ continue;
+ }
+
+ if ($link['rel'] == 'lrdd') {
+ // 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;
+ }
+
+ /**
+ * Detect the network of the given server via their known contacts
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectNetworkViaContacts(string $url, array $serverdata)
+ {
+ $contacts = [];
+
+ $apcontacts = DBA::select('apcontact', ['url'], ['baseurl' => [$url, $serverdata['nurl']]]);
+ while ($apcontact = DBA::fetch($apcontacts)) {
+ $contacts[Strings::normaliseLink($apcontact['url'])] = $apcontact['url'];
+ }
+ DBA::close($apcontacts);
+
+ $pcontacts = DBA::select('contact', ['url', 'nurl'], ['uid' => 0, 'baseurl' => [$url, $serverdata['nurl']]]);
+ while ($pcontact = DBA::fetch($pcontacts)) {
+ $contacts[$pcontact['nurl']] = $pcontact['url'];
+ }
+ DBA::close($pcontacts);
+
+ if (empty($contacts)) {
+ return $serverdata;
+ }
+
+ $time = time();
+ foreach ($contacts as $contact) {
+ $probed = Contact::getByURL($contact, true);
+ if (!empty($probed) && !$probed['failed'] && in_array($probed['network'], Protocol::FEDERATED)) {
+ $serverdata['network'] = $probed['network'];
+ break;
+ } elseif ((time() - $time) > 10) {
+ // To reduce the stress on remote systems we probe a maximum of 10 seconds
+ break;
+ }
+ }
+
+ return $serverdata;
+ }
+
+ /**
+ * Checks if the given server does have a '/poco' endpoint.
+ * This is used for the 'PortableContact' functionality,
+ * which is used by both Friendica and Hubzilla.
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function checkPoCo(string $url, array $serverdata)
+ {
+ $serverdata['poco'] = '';
+
+ $curlResult = DI::httpClient()->get($url . '/poco', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
+ 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, 1);
+ $serverdata['directory-type'] = self::DT_POCO;
+ $serverdata['poco'] = $url . '/poco';
+ }
+
+ return $serverdata;
+ }
+
+ /**
+ * Checks if the given server does have a Mastodon style directory endpoint.
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ public static function checkMastodonDirectory(string $url, array $serverdata)
+ {
+ $curlResult = DI::httpClient()->get($url . '/api/v1/directory?limit=1', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
+ if (!$curlResult->isSuccess()) {
+ return $serverdata;
+ }
+
+ $data = json_decode($curlResult->getBody(), true);
+ if (empty($data)) {
+ return $serverdata;
+ }
+
+ if (count($data) == 1) {
+ $serverdata['directory-type'] = self::DT_MASTODON;
+ }
+
+ return $serverdata;
+ }
+
+ /**
+ * Detects Peertube via their known endpoint
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectPeertube(string $url, array $serverdata)
+ {
+ $curlResult = DI::httpClient()->get($url . '/api/v1/config', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
+ if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
+ return $serverdata;
+ }
+
+ $data = json_decode($curlResult->getBody(), true);
+ if (empty($data)) {
+ return $serverdata;
}
- $elements = XML::elementToArray($xrd);
- if (empty($elements) || empty($elements['xrd']) || empty($elements['xrd']['link'])) {
- return false;
- }
+ if (!empty($data['instance']) && !empty($data['serverVersion'])) {
+ $serverdata['platform'] = 'peertube';
+ $serverdata['version'] = $data['serverVersion'];
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
- $valid = false;
- foreach ($elements['xrd']['link'] as $link) {
- if (empty($link['rel']) || empty($link['type']) || empty($link['template'])) {
- continue;
+ if (!empty($data['instance']['name'])) {
+ $serverdata['site_name'] = $data['instance']['name'];
}
- if ($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($link['template'], PHP_URL_HOST));
+ if (!empty($data['instance']['shortDescription'])) {
+ $serverdata['info'] = $data['instance']['shortDescription'];
+ }
+
+ if (!empty($data['signup'])) {
+ if (!empty($data['signup']['allowed'])) {
+ $serverdata['register_policy'] = Register::OPEN;
+ }
+ }
+
+ if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ $serverdata['detection-method'] = self::DETECT_V1_CONFIG;
}
}
- return $valid;
+ return $serverdata;
}
- private static function checkPoCo($url, $serverdata)
+ /**
+ * Detects the version number of a given server when it was a NextCloud installation
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectNextcloud(string $url, array $serverdata)
{
- $curlResult = Network::curl($url. '/poco');
- if (!$curlResult->isSuccess()) {
+ $curlResult = DI::httpClient()->get($url . '/status.php', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
+ if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
return $serverdata;
}
return $serverdata;
}
- if (!empty($data['totalResults'])) {
- $registeredUsers = $serverdata['registered-users'] ?? 0;
- $serverdata['registered-users'] = max($data['totalResults'], $registeredUsers);
- $serverdata['poco'] = $url . '/poco';
- } else {
- $serverdata['poco'] = '';
+ if (!empty($data['version'])) {
+ $serverdata['platform'] = 'nextcloud';
+ $serverdata['version'] = $data['version'];
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
+
+ if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ $serverdata['detection-method'] = self::DETECT_STATUS_PHP;
+ }
}
return $serverdata;
}
- private static function detectNextcloud($url, $serverdata)
- {
- $curlResult = Network::curl($url . '/status.php');
-
+ private static function fetchWeeklyUsage(string $url, array $serverdata) {
+ $curlResult = DI::httpClient()->get($url . '/api/v1/instance/activity', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
return $serverdata;
}
return $serverdata;
}
- if (!empty($data['version'])) {
- $serverdata['platform'] = 'nextcloud';
- $serverdata['version'] = $data['version'];
- $serverdata['network'] = Protocol::ACTIVITYPUB;
+ $current_week = [];
+ foreach ($data as $week) {
+ // Use only data from a full week
+ if (empty($week['week']) || (time() - $week['week']) < 7 * 24 * 60 * 60) {
+ continue;
+ }
+
+ // Most likely the data is sorted correctly. But we better are safe than sorry
+ if (empty($current_week['week']) || ($current_week['week'] < $week['week'])) {
+ $current_week = $week;
+ }
+ }
+
+ if (!empty($current_week['logins'])) {
+ $serverdata['active-week-users'] = max($current_week['logins'], 0);
}
return $serverdata;
}
-
- private static function detectMastodonAlikes($url, $serverdata)
+
+ /**
+ * Detects the server network type from contacts of that server
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectFromContacts(string $url, array $serverdata)
{
- $curlResult = Network::curl($url . '/api/v1/instance');
+ $gserver = DBA::selectFirst('gserver', ['id'], ['nurl' => Strings::normaliseLink($url)]);
+ if (empty($gserver)) {
+ return $serverdata;
+ }
+ $contact = Contact::selectFirst(['id'], ['uid' => 0, 'failed' => false, 'gsid' => $gserver['id']]);
+
+ // Via probing we can be sure that the server is responding
+ if (Contact::updateFromProbe($contact['id'])) {
+ $contact = Contact::selectFirst(['network', 'failed'], ['id' => $contact['id']]);
+ if (!$contact['failed'] && in_array($contact['network'], Protocol::FEDERATED)) {
+ $serverdata['network'] = $contact['network'];
+ }
+ }
+
+ return $serverdata;
+ }
+
+ /**
+ * Detects data from a given server url if it was a mastodon alike system
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectMastodonAlikes(string $url, array $serverdata)
+ {
+ $curlResult = DI::httpClient()->get($url . '/api/v1/instance', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
return $serverdata;
}
return $serverdata;
}
+ if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ $serverdata['detection-method'] = self::DETECT_MASTODON_API;
+ }
+
if (!empty($data['version'])) {
$serverdata['platform'] = 'mastodon';
- $serverdata['version'] = defaults($data, 'version', '');
+ $serverdata['version'] = $data['version'] ?? '';
$serverdata['network'] = Protocol::ACTIVITYPUB;
}
$serverdata['site_name'] = $data['title'];
}
+ if (!empty($data['title']) && empty($serverdata['platform']) && empty($serverdata['network'])) {
+ $serverdata['platform'] = 'mastodon';
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
+ }
+
if (!empty($data['description'])) {
$serverdata['info'] = trim($data['description']);
}
if (!empty($data['stats']['user_count'])) {
- $serverdata['registered-users'] = $data['stats']['user_count'];
+ $serverdata['registered-users'] = max($data['stats']['user_count'], 1);
}
if (!empty($serverdata['version']) && preg_match('/.*?\(compatible;\s(.*)\s(.*)\)/ism', $serverdata['version'], $matches)) {
- $serverdata['platform'] = $matches[1];
+ $serverdata['platform'] = strtolower($matches[1]);
$serverdata['version'] = $matches[2];
-print_r($serverdata);
}
- if (!empty($serverdata['version']) && strstr($serverdata['version'], 'Pleroma')) {
+ if (!empty($serverdata['version']) && strstr(strtolower($serverdata['version']), 'pleroma')) {
+ $serverdata['platform'] = 'pleroma';
+ $serverdata['version'] = trim(str_ireplace('pleroma', '', $serverdata['version']));
+ }
+
+ if (!empty($serverdata['platform']) && strstr($serverdata['platform'], 'pleroma')) {
+ $serverdata['version'] = trim(str_ireplace('pleroma', '', $serverdata['platform']));
$serverdata['platform'] = 'pleroma';
- $serverdata['version'] = trim(str_replace('Pleroma', '', $serverdata['version']));
}
return $serverdata;
}
- private static function detectHubzilla($url, $serverdata)
+ /**
+ * Detects data from typical Hubzilla endpoints
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectHubzilla(string $url, array $serverdata)
{
- $curlResult = Network::curl($url . '/api/statusnet/config.json');
+ $curlResult = DI::httpClient()->get($url . '/api/statusnet/config.json', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
return $serverdata;
}
$data = json_decode($curlResult->getBody(), true);
- if (empty($data)) {
+ if (empty($data) || empty($data['site'])) {
return $serverdata;
}
}
if (!empty($data['site']['platform'])) {
- $serverdata['platform'] = $data['site']['platform']['PLATFORM_NAME'];
+ $serverdata['platform'] = strtolower($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'];
+ $serverdata['platform'] = strtolower($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'];
+ $serverdata['platform'] = strtolower($data['site']['redmatrix']['PLATFORM_NAME']);
} elseif (!empty($data['site']['redmatrix']['RED_PLATFORM'])) {
- $serverdata['platform'] = $data['site']['redmatrix']['RED_PLATFORM'];
+ $serverdata['platform'] = strtolower($data['site']['redmatrix']['RED_PLATFORM']);
}
$serverdata['version'] = $data['site']['redmatrix']['RED_VERSION'];
}
if (!$closed && !$private and $inviteonly) {
- $register_policy = Register::APPROVE;
+ $serverdata['register_policy'] = Register::APPROVE;
} elseif (!$closed && !$private) {
- $register_policy = Register::OPEN;
+ $serverdata['register_policy'] = Register::OPEN;
} else {
- $register_policy = Register::CLOSED;
+ $serverdata['register_policy'] = Register::CLOSED;
+ }
+
+ if (!empty($serverdata['network']) && in_array($serverdata['detection-method'],
+ [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ $serverdata['detection-method'] = self::DETECT_CONFIG_JSON;
}
return $serverdata;
}
+ /**
+ * Converts input value to a boolean value
+ *
+ * @param string|integer $val
+ *
+ * @return boolean
+ */
private static function toBoolean($val)
{
if (($val == 'true') || ($val == 1)) {
}
return $val;
- }
+ }
- private static function detectGNUSocial($url, $serverdata)
+ /**
+ * Detect if the URL belongs to a pump.io server
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectPumpIO(string $url, array $serverdata)
{
- $curlResult = Network::curl($url . '/api/statusnet/version.json');
+ $curlResult = DI::httpClient()->get($url . '/.well-known/host-meta.json', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
+ if (!$curlResult->isSuccess()) {
+ return $serverdata;
+ }
+
+ $data = json_decode($curlResult->getBody(), true);
+ if (empty($data['links'])) {
+ return $serverdata;
+
+ }
+
+ // We are looking for some endpoints that are typical for pump.io
+ $trust = 0;
+ foreach ($data['links'] as $link) {
+ if (empty($link['rel'])) {
+ continue;
+ }
+ if (in_array($link['rel'], ['registration_endpoint', 'dialback', 'http://apinamespace.org/activitypub/whoami'])) {
+ ++$trust;
+ }
+ }
+
+ if ($trust == 3) {
+ $serverdata['detection-method'] = self::DETECT_PUMPIO;
+
+ $serverdata['platform'] = 'pumpio';
+ $serverdata['version'] = '';
+ $serverdata['network'] = Protocol::PUMPIO;
+
+ $servers = $curlResult->getHeader('Server');
+ foreach ($servers as $server) {
+ if (preg_match("#pump.io/(.*)\s#U", $server, $matches)) {
+ $serverdata['version'] = $matches[1];
+ }
+ }
+ }
+
+ return $serverdata;
+ }
+ /**
+ * Detect if the URL belongs to a GNU Social server
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectGNUSocial(string $url, array $serverdata)
+ {
+ // Test for GNU Social
+ $curlResult = DI::httpClient()->get($url . '/api/gnusocial/version.json', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') &&
($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) {
- $serverdata['platform'] = 'StatusNet';
+ $serverdata['platform'] = 'gnusocial';
// Remove junk that some GNU Social servers return
- $serverdata['version'] = str_replace(chr(239).chr(187).chr(191), '', $curlResult->getBody());
+ $serverdata['version'] = str_replace(chr(239) . chr(187) . chr(191), '', $curlResult->getBody());
+ $serverdata['version'] = str_replace(["\r", "\n", "\t"], '', $serverdata['version']);
$serverdata['version'] = trim($serverdata['version'], '"');
$serverdata['network'] = Protocol::OSTATUS;
- }
- // Test for GNU Social
- $curlResult = Network::curl($url . '/api/gnusocial/version.json');
+ if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ $serverdata['detection-method'] = self::DETECT_GNUSOCIAL;
+ }
+ return $serverdata;
+ }
+
+ // Test for Statusnet
+ $curlResult = DI::httpClient()->get($url . '/api/statusnet/version.json', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_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'] = str_replace(chr(239).chr(187).chr(191), '', $curlResult->getBody());
+ $serverdata['version'] = str_replace(["\r", "\n", "\t"], '', $serverdata['version']);
$serverdata['version'] = trim($serverdata['version'], '"');
- $serverdata['network'] = Protocol::OSTATUS;
+
+ if (!empty($serverdata['version']) && strtolower(substr($serverdata['version'], 0, 7)) == 'pleroma') {
+ $serverdata['platform'] = 'pleroma';
+ $serverdata['version'] = trim(str_ireplace('pleroma', '', $serverdata['version']));
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
+ } else {
+ $serverdata['platform'] = 'statusnet';
+ $serverdata['network'] = Protocol::OSTATUS;
+ }
+
+ if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ $serverdata['detection-method'] = self::DETECT_STATUSNET;
+ }
}
return $serverdata;
}
- private static function detectFriendica($url, $serverdata)
+ /**
+ * Detect if the URL belongs to a Friendica server
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectFriendica(string $url, array $serverdata)
{
- $curlResult = Network::curl($url . '/friendica/json');
+ // There is a bug in some versions of Friendica that will return an ActivityStream actor when the content type "application/json" is requested.
+ // Because of this me must not use ACCEPT_JSON here.
+ $curlResult = DI::httpClient()->get($url . '/friendica/json', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
if (!$curlResult->isSuccess()) {
- $curlResult = Network::curl($url . '/friendika/json');
+ $curlResult = DI::httpClient()->get($url . '/friendika/json', [HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_DEFAULT]);
+ $friendika = true;
+ $platform = 'Friendika';
+ } else {
+ $friendika = false;
+ $platform = 'Friendica';
}
if (!$curlResult->isSuccess()) {
return $serverdata;
}
+ if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ $serverdata['detection-method'] = $friendika ? self::DETECT_FRIENDIKA : self::DETECT_FRIENDICA;
+ }
+
$serverdata['network'] = Protocol::DFRN;
$serverdata['version'] = $data['version'];
$serverdata['info'] = trim($data['info']);
}
- $register_policy = defaults($data, 'register_policy', 'REGISTER_CLOSED');
+ $register_policy = ($data['register_policy'] ?? '') ?: 'REGISTER_CLOSED';
switch ($register_policy) {
case 'REGISTER_OPEN':
$serverdata['register_policy'] = Register::OPEN;
break;
}
- $serverdata['platform'] = defaults($data, 'platform', '');
+ $serverdata['platform'] = strtolower($data['platform'] ?? $platform);
return $serverdata;
}
- private static function analyseRootBody($curlResult, $serverdata)
+ /**
+ * Analyses the landing page of a given server for hints about type and system of that server
+ *
+ * @param object $curlResult result of curl execution
+ * @param array $serverdata array with server data
+ * @param string $url Server URL
+ *
+ * @return array server data
+ */
+ private static function analyseRootBody($curlResult, array $serverdata, string $url)
{
+ if (empty($curlResult->getBody())) {
+ return $serverdata;
+ }
+
+ // Using only body information we cannot safely detect a lot of systems.
+ // So we define a list of platforms that we can detect safely.
+ $valid_platforms = ['friendica', 'friendika', 'diaspora', 'mastodon', 'hubzilla', 'misskey', 'peertube', 'wordpress', 'write.as'];
+
$doc = new DOMDocument();
@$doc->loadHTML($curlResult->getBody());
$xpath = new DOMXPath($doc);
$attr = [];
if ($node->attributes->length) {
foreach ($node->attributes as $attribute) {
- $attribute->value = trim($attribute->value);
- if (empty($attribute->value)) {
+ $value = trim($attribute->value);
+ if (empty($value)) {
continue;
}
- $attr[$attribute->name] = $attribute->value;
+ $attr[$attribute->name] = $value;
}
if (empty($attr['name']) || empty($attr['content'])) {
continue;
}
}
-//print_r($attr);
+
if ($attr['name'] == 'description') {
$serverdata['info'] = $attr['content'];
}
- if ($attr['name'] == 'application-name') {
- $serverdata['platform'] = $attr['content'];
+ if (in_array($attr['name'], ['application-name', 'al:android:app_name', 'al:ios:app_name',
+ 'twitter:app:name:googleplay', 'twitter:app:name:iphone', 'twitter:app:name:ipad'])) {
+ $serverdata['platform'] = strtolower($attr['content']);
if (in_array($attr['content'], ['Misskey', 'Write.as'])) {
$serverdata['network'] = Protocol::ACTIVITYPUB;
}
}
-
- if ($attr['name'] == 'generator') {
- $serverdata['platform'] = $attr['content'];
-
+ if (($attr['name'] == 'generator') && (empty($serverdata['platform']) || (substr(strtolower($attr['content']), 0, 9) == 'wordpress'))) {
+ $serverdata['platform'] = strtolower($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['platform'] = 'wordpress';
$serverdata['version'] = $version_part[1];
- $serverdata['network'] = Protocol::ACTIVITYPUB;
+
+ // We still do need a reliable test if some AP plugin is activated
+ // By now we just check in a later process for some known contacts
+ $serverdata['network'] = Protocol::FEED;
+
+ if ($serverdata['detection-method'] == self::DETECT_MANUAL) {
+ $serverdata['detection-method'] = self::DETECT_BODY;
+ }
}
if (in_array($version_part[0], ['Friendika', 'Friendica'])) {
- $serverdata['platform'] = $version_part[0];
+ $serverdata['platform'] = strtolower($version_part[0]);
$serverdata['version'] = $version_part[1];
$serverdata['network'] = Protocol::DFRN;
}
$attr = [];
if ($node->attributes->length) {
foreach ($node->attributes as $attribute) {
- $attribute->value = trim($attribute->value);
- if (empty($attribute->value)) {
+ $value = trim($attribute->value);
+ if (empty($value)) {
continue;
}
- $attr[$attribute->name] = $attribute->value;
+ $attr[$attribute->name] = $value;
}
if (empty($attr['property']) || empty($attr['content'])) {
continue;
}
}
-//print_r($attr);
if ($attr['property'] == 'og:site_name') {
$serverdata['site_name'] = $attr['content'];
}
if ($attr['property'] == 'og:platform') {
- $serverdata['platform'] = $attr['content'];
+ $serverdata['platform'] = strtolower($attr['content']);
if (in_array($attr['content'], ['PeerTube'])) {
$serverdata['network'] = Protocol::ACTIVITYPUB;
}
if ($attr['property'] == 'generator') {
- $serverdata['platform'] = $attr['content'];
+ $serverdata['platform'] = strtolower($attr['content']);
if (in_array($attr['content'], ['hubzilla'])) {
// We later check which compatible protocol modules are loaded.
}
}
+ if (!empty($serverdata['platform']) && in_array($serverdata['detection-method'], [self::DETECT_MANUAL, self::DETECT_BODY]) && !in_array($serverdata['platform'], $valid_platforms)) {
+ $serverdata['network'] = Protocol::PHANTOM;
+ $serverdata['version'] = '';
+ $serverdata['detection-method'] = self::DETECT_MANUAL;
+ } elseif (!empty($serverdata['network']) && ($serverdata['detection-method'] == self::DETECT_MANUAL)) {
+ $serverdata['detection-method'] = self::DETECT_BODY;
+ }
+
return $serverdata;
}
- private static function analyseRootHeader($curlResult, $serverdata)
+ /**
+ * Analyses the header data of a given server for hints about type and system of that server
+ *
+ * @param object $curlResult result of curl execution
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function analyseRootHeader($curlResult, array $serverdata)
{
if ($curlResult->getHeader('server') == 'Mastodon') {
$serverdata['platform'] = 'mastodon';
- $serverdata['network'] = $network = Protocol::ACTIVITYPUB;
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
} elseif ($curlResult->inHeader('x-diaspora-version')) {
$serverdata['platform'] = 'diaspora';
- $serverdata['network'] = $network = Protocol::DIASPORA;
- $serverdata['version'] = $curlResult->getHeader('x-diaspora-version');
-
+ $serverdata['network'] = Protocol::DIASPORA;
+ $serverdata['version'] = $curlResult->getHeader('x-diaspora-version')[0] ?? '';
} elseif ($curlResult->inHeader('x-friendica-version')) {
$serverdata['platform'] = 'friendica';
- $serverdata['network'] = $network = Protocol::DFRN;
- $serverdata['version'] = $curlResult->getHeader('x-friendica-version');
-
+ $serverdata['network'] = Protocol::DFRN;
+ $serverdata['version'] = $curlResult->getHeader('x-friendica-version')[0] ?? '';
} else {
-//print_r($curlResult->getHeaderArray());
+ return $serverdata;
+ }
+
+ if ($serverdata['detection-method'] == self::DETECT_MANUAL) {
+ $serverdata['detection-method'] = self::DETECT_HEADER;
}
+
return $serverdata;
}
+
+ /**
+ * Test if the body contains valid content
+ *
+ * @param string $body
+ * @return boolean
+ */
+ private static function invalidBody(string $body)
+ {
+ // Currently we only test for a HTML element.
+ // Possibly we enhance this in the future.
+ return !strpos($body, '>');
+ }
+
+ /**
+ * Update GServer entries
+ */
+ public static function discover()
+ {
+ // Update the server list
+ self::discoverFederation();
+
+ $no_of_queries = 5;
+
+ $requery_days = intval(DI::config()->get('system', 'poco_requery_days'));
+
+ if ($requery_days == 0) {
+ $requery_days = 7;
+ }
+
+ $last_update = date('c', time() - (60 * 60 * 24 * $requery_days));
+
+ $gservers = DBA::select('gserver', ['id', 'url', 'nurl', 'network', 'poco', 'directory-type'],
+ ["NOT `failed` AND `directory-type` != ? AND `last_poco_query` < ?", GServer::DT_NONE, $last_update],
+ ['order' => ['RAND()']]);
+
+ while ($gserver = DBA::fetch($gservers)) {
+ Logger::info('Update peer list', ['server' => $gserver['url'], 'id' => $gserver['id']]);
+ Worker::add(PRIORITY_LOW, 'UpdateServerPeers', $gserver['url']);
+
+ Logger::info('Update directory', ['server' => $gserver['url'], 'id' => $gserver['id']]);
+ Worker::add(PRIORITY_LOW, 'UpdateServerDirectory', $gserver);
+
+ $fields = ['last_poco_query' => DateTimeFormat::utcNow()];
+ DBA::update('gserver', $fields, ['nurl' => $gserver['nurl']]);
+
+ if (--$no_of_queries == 0) {
+ break;
+ }
+ }
+
+ DBA::close($gservers);
+ }
+
+ /**
+ * Discover federated servers
+ */
+ private static function discoverFederation()
+ {
+ $last = DI::config()->get('poco', 'last_federation_discovery');
+
+ if ($last) {
+ $next = $last + (24 * 60 * 60);
+
+ if ($next > time()) {
+ return;
+ }
+ }
+
+ // Discover federated servers
+ $protocols = ['activitypub', 'diaspora', 'dfrn', 'ostatus'];
+ foreach ($protocols as $protocol) {
+ $query = '{nodes(protocol:"' . $protocol . '"){host}}';
+ $curlResult = DI::httpClient()->fetch('https://the-federation.info/graphql?query=' . urlencode($query), 0, HttpClient::ACCEPT_JSON);
+ if (!empty($curlResult)) {
+ $data = json_decode($curlResult, true);
+ if (!empty($data['data']['nodes'])) {
+ foreach ($data['data']['nodes'] as $server) {
+ // Using "only_nodeinfo" since servers that are listed on that page should always have it.
+ self::add('https://' . $server['host'], true);
+ }
+ }
+ }
+ }
+
+ // Disvover Mastodon servers
+ $accesstoken = DI::config()->get('system', 'instances_social_key');
+
+ if (!empty($accesstoken)) {
+ $api = 'https://instances.social/api/1.0/instances/list?count=0';
+ $curlResult = DI::httpClient()->get($api, [HttpClientOptions::HEADERS => ['Authorization' => ['Bearer ' . $accesstoken]], HttpClientOptions::ACCEPT_CONTENT => HttpClient::ACCEPT_JSON]);
+ if ($curlResult->isSuccess()) {
+ $servers = json_decode($curlResult->getBody(), true);
+
+ foreach ($servers['instances'] as $server) {
+ $url = (is_null($server['https_score']) ? 'http' : 'https') . '://' . $server['name'];
+ self::add($url);
+ }
+ }
+ }
+
+ DI::config()->set('poco', 'last_federation_discovery', time());
+ }
+
+ /**
+ * Set the protocol for the given server
+ *
+ * @param int $gsid Server id
+ * @param int $protocol Protocol id
+ * @return void
+ * @throws Exception
+ */
+ public static function setProtocol(int $gsid, int $protocol)
+ {
+ if (empty($gsid)) {
+ return;
+ }
+
+ $gserver = DBA::selectFirst('gserver', ['protocol', 'url'], ['id' => $gsid]);
+ if (!DBA::isResult($gserver)) {
+ return;
+ }
+
+ $old = $gserver['protocol'];
+
+ if (!is_null($old)) {
+ /*
+ The priority for the protocols is:
+ 1. ActivityPub
+ 2. DFRN via Diaspora
+ 3. Legacy DFRN
+ 4. Diaspora
+ 5. OStatus
+ */
+
+ // We don't need to change it when nothing is to be changed
+ if ($old == $protocol) {
+ return;
+ }
+
+ // We don't want to mark a server as OStatus when it had been marked with any other protocol before
+ if ($protocol == Post\DeliveryData::OSTATUS) {
+ return;
+ }
+
+ // If the server is marked as ActivityPub then we won't change it to anything different
+ if ($old == Post\DeliveryData::ACTIVITYPUB) {
+ return;
+ }
+
+ // Don't change it to anything lower than DFRN if the new one wasn't ActivityPub
+ if (($old == Post\DeliveryData::DFRN) && ($protocol != Post\DeliveryData::ACTIVITYPUB)) {
+ return;
+ }
+
+ // Don't change it to Diaspora when it is a legacy DFRN server
+ if (($old == Post\DeliveryData::LEGACY_DFRN) && ($protocol == Post\DeliveryData::DIASPORA)) {
+ return;
+ }
+ }
+
+ Logger::info('Protocol for server', ['protocol' => $protocol, 'old' => $old, 'id' => $gsid, 'url' => $gserver['url'], 'callstack' => System::callstack(20)]);
+ DBA::update('gserver', ['protocol' => $protocol], ['id' => $gsid]);
+ }
+
+ /**
+ * Fetch the protocol of the given server
+ *
+ * @param int $gsid Server id
+ * @return int
+ * @throws Exception
+ */
+ public static function getProtocol(int $gsid)
+ {
+ if (empty($gsid)) {
+ return null;
+ }
+
+ $gserver = DBA::selectFirst('gserver', ['protocol'], ['id' => $gsid]);
+ if (DBA::isResult($gserver)) {
+ return $gserver['protocol'];
+ }
+
+ return null;
+ }
}
projects / friendica.git / blobdiff