use Friendica\Core\Worker;
use Friendica\Database\Database;
use Friendica\Database\DBA;
+use Friendica\Database\DBStructure;
use Friendica\DI;
use Friendica\Module\Register;
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
use Friendica\Network\HTTPClient\Client\HttpClientOptions;
use Friendica\Network\HTTPClient\Capability\ICanHandleHttpResponses;
+use Friendica\Network\Probe;
+use Friendica\Protocol\ActivityPub;
use Friendica\Protocol\Relay;
use Friendica\Util\DateTimeFormat;
+use Friendica\Util\JsonLD;
use Friendica\Util\Network;
use Friendica\Util\Strings;
use Friendica\Util\XML;
+use GuzzleHttp\Exception\TransferException;
+use Friendica\Network\HTTPException;
/**
* This class handles GServer related functions
const DETECT_MANUAL = 0;
const DETECT_HEADER = 1;
const DETECT_BODY = 2;
+ const DETECT_HOST_META = 3;
+ const DETECT_CONTACTS = 4;
+ const DETECT_AP_ACTOR = 5;
+ const DETECT_AP_COLLECTION = 6;
+
+ const DETECT_UNSPECIFIC = [self::DETECT_MANUAL, self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_HOST_META, self::DETECT_CONTACTS, self::DETECT_AP_ACTOR];
// Implementation specific endpoints
const DETECT_FRIENDIKA = 10;
const DETECT_MASTODON_API = 16;
const DETECT_STATUS_PHP = 17; // Nextcloud
const DETECT_V1_CONFIG = 18;
- const DETECT_PUMPIO = 19;
+ const DETECT_PUMPIO = 19; // Deprecated
+ const DETECT_SYSTEM_ACTOR = 20; // Mistpark, Osada, Roadhouse, Zap
// Standardized endpoints
const DETECT_STATISTICS_JSON = 100;
const DETECT_NODEINFO_1 = 101;
const DETECT_NODEINFO_2 = 102;
+ const DETECT_NODEINFO_210 = 103;
/**
* Check for the existance of a server and adds it in the background if not existant
$gserver = DBA::selectFirst('gserver', ['id'], ['nurl' => Strings::normaliseLink($url)]);
if (DBA::isResult($gserver)) {
- Logger::info('Got ID for URL', ['id' => $gserver['id'], 'url' => $url, 'callstack' => System::callstack(20)]);
+ Logger::debug('Got ID for URL', ['id' => $gserver['id'], 'url' => $url, 'callstack' => System::callstack(20)]);
return $gserver['id'];
}
$gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($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],
+ DBA::update('gserver', ['url' => $url, 'failed' => true, 'last_failure' => DateTimeFormat::utcNow(),
+ 'next_contact' => $next_update, 'network' => Protocol::PHANTOM, 'detection-method' => null],
['nurl' => Strings::normaliseLink($url)]);
Logger::info('Set failed status for existing server', ['url' => $url]);
return;
return Network::unparseURL($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.
public static function detect(string $url, string $network = '', bool $only_nodeinfo = false)
{
Logger::info('Detect server type', ['server' => $url]);
- $serverdata = ['detection-method' => self::DETECT_MANUAL];
$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);
+ $url = rtrim(self::cleanURL($url), '/');
+ if (!Network::isUrlValid($url)) {
+ self::setFailure($url);
+ return false;
+ }
// 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)]);
+ if (Strings::normaliseLink($url) != Strings::normaliseLink($original_url)) {
+ self::setFailure($original_url);
+ self::detect($url, $network, $only_nodeinfo);
+ return false;
}
- // When a nodeinfo is present, we don't need to dig further
- $xrd_timeout = DI::config()->get('system', 'xrd_timeout');
- $curlResult = DI::httpClient()->get($url . '/.well-known/nodeinfo', HttpClientAccept::JSON, [HttpClientOptions::TIMEOUT => $xrd_timeout]);
- if ($curlResult->isTimeout()) {
+ // On a redirect follow the new host but mark the old one as failure
+ try {
+ $finalurl = rtrim(DI::httpClient()->finalUrl($url), '/');
+ } catch (TransferException $exception) {
+ Logger::notice('Error fetching final URL.', ['url' => $url, 'exception' => $exception]);
self::setFailure($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, HttpClientAccept::HTML, [HttpClientOptions::TIMEOUT => $xrd_timeout]);
- if (!empty($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, $only_nodeinfo);
+ // We only follow redirects when the path stays the same or the target url has no path.
+ // Some systems have got redirects on their landing page to a single account page. This check handles it.
+ if (((parse_url($url, PHP_URL_HOST) != parse_url($finalurl, PHP_URL_HOST)) && (parse_url($url, PHP_URL_PATH) == parse_url($finalurl, PHP_URL_PATH))) ||
+ (((parse_url($url, PHP_URL_HOST) != parse_url($finalurl, PHP_URL_HOST)) || (parse_url($url, PHP_URL_PATH) != parse_url($finalurl, PHP_URL_PATH))) && empty(parse_url($finalurl, PHP_URL_PATH)))) {
+ Logger::info('Found redirect. Mark old entry as failure', ['old' => $url, 'new' => $finalurl]);
+ self::setFailure($url);
+ self::detect($finalurl, $network, $only_nodeinfo);
+ return false;
+ }
+
+ if ((parse_url($url, PHP_URL_HOST) == parse_url($finalurl, PHP_URL_HOST)) &&
+ (parse_url($url, PHP_URL_PATH) == parse_url($finalurl, PHP_URL_PATH)) &&
+ (parse_url($url, PHP_URL_SCHEME) != parse_url($finalurl, PHP_URL_SCHEME))) {
+ if (!Network::isUrlValid($finalurl)) {
+ self::setFailure($finalurl);
return false;
}
+ $url = $finalurl;
}
- $nodeinfo = self::fetchNodeinfo($url, $curlResult);
- if ($only_nodeinfo && empty($nodeinfo)) {
- Logger::info('Invalid nodeinfo in nodeinfo-mode, server is marked as failure', ['url' => $url]);
+ $in_webroot = empty(parse_url($url, PHP_URL_PATH));
+
+ // When a nodeinfo is present, we don't need to dig further
+ $curlResult = DI::httpClient()->get($url . '/.well-known/x-nodeinfo2', HttpClientAccept::JSON);
+ if ($curlResult->isTimeout()) {
self::setFailure($url);
return false;
}
- // When nodeinfo isn't present, we use the older 'statistics.json' endpoint
- if (empty($nodeinfo)) {
- $nodeinfo = self::fetchStatistics($url);
+ $serverdata = self::parseNodeinfo210($curlResult);
+ if (empty($serverdata)) {
+ $curlResult = DI::httpClient()->get($url . '/.well-known/nodeinfo', HttpClientAccept::JSON);
+ $serverdata = self::fetchNodeinfo($url, $curlResult);
}
- // If that didn't work out well, we use some protocol specific endpoints
- // For Friendica and Zot based networks we have to dive deeper to reveal more details
- if (empty($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];
- }
- }
- }
-
- // Fetch the landing page, possibly it reveals some data
- if (empty($nodeinfo['network'])) {
- if ($baseurl == $url) {
- $basedata = $serverdata;
+ if ($only_nodeinfo && empty($serverdata)) {
+ Logger::info('Invalid nodeinfo in nodeinfo-mode, server is marked as failure', ['url' => $url]);
+ self::setFailure($url);
+ return false;
+ } elseif (empty($serverdata)) {
+ $serverdata = ['detection-method' => self::DETECT_MANUAL, 'network' => Protocol::PHANTOM, 'platform' => '', 'version' => '', 'site_name' => '', 'info' => ''];
+ }
+
+ // When there is no Nodeinfo, then use some protocol specific endpoints
+ if ($serverdata['network'] == Protocol::PHANTOM) {
+ if ($in_webroot) {
+ // Fetch the landing page, possibly it reveals some data
+ $accept = 'application/activity+json,application/ld+json,application/json,*/*;q=0.9';
+ $curlResult = DI::httpClient()->get($url, $accept);
+ if (!$curlResult->isSuccess() && $curlResult->getReturnCode() == '406') {
+ $curlResult = DI::httpClient()->get($url, HttpClientAccept::HTML);
+ $html_fetched = true;
} else {
- $basedata = ['detection-method' => self::DETECT_MANUAL];
+ $html_fetched = false;
}
- $curlResult = DI::httpClient()->get($baseurl, HttpClientAccept::HTML, [HttpClientOptions::TIMEOUT => $xrd_timeout]);
if ($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;
+ $json = json_decode($curlResult->getBody(), true);
+ if (!empty($json)) {
+ $data = self::fetchDataFromSystemActor($json, $serverdata);
+ $serverdata = $data['server'];
+ $systemactor = $data['actor'];
+ if (!$html_fetched && ($serverdata['detection-method'] == self::DETECT_AP_ACTOR)) {
+ $curlResult = DI::httpClient()->get($url, HttpClientAccept::HTML);
+ }
+ } elseif (!$html_fetched && (strlen($curlResult->getBody()) < 1000)) {
+ $curlResult = DI::httpClient()->get($url, HttpClientAccept::HTML);
}
- $basedata = self::analyseRootHeader($curlResult, $basedata);
- $basedata = self::analyseRootBody($curlResult, $basedata, $baseurl);
+ if ($serverdata['detection-method'] != self::DETECT_SYSTEM_ACTOR) {
+ $serverdata = self::analyseRootHeader($curlResult, $serverdata);
+ $serverdata = self::analyseRootBody($curlResult, $serverdata);
+ }
}
- if (!$curlResult->isSuccess() || empty($curlResult->getBody()) || self::invalidBody($curlResult->getBody())) {
+ if (!$curlResult->isSuccess() || empty($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, HttpClientAccept::HTML, [HttpClientOptions::TIMEOUT => $xrd_timeout]);
- if ($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 = $urldata;
- }
- }
+ if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $serverdata = self::detectMastodonAlikes($url, $serverdata);
}
}
- if (empty($nodeinfo['network']) && (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, $serverdata);
+ if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $validHostMeta = self::validHostMeta($url);
+ } else {
+ $validHostMeta = false;
}
- if (empty($serverdata['network']) && !$validHostMeta) {
- self::setFailure($url);
- return false;
- }
+ if ($validHostMeta) {
+ if ($serverdata['detection-method'] == self::DETECT_MANUAL) {
+ $serverdata['detection-method'] = self::DETECT_HOST_META;
+ $serverdata['platform'] = '';
+ }
- if (empty($serverdata['network']) || in_array($serverdata['network'], [Protocol::DFRN, Protocol::ACTIVITYPUB])) {
- $serverdata = self::detectFriendica($url, $serverdata);
- }
+ if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $serverdata = self::detectFriendica($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, $serverdata);
- }
+ // The following systems have to be installed in the root directory.
+ if ($in_webroot) {
+ // the 'siteinfo.json' is some specific endpoint of Hubzilla and Red
+ if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $serverdata = self::fetchSiteinfo($url, $serverdata);
+ }
- // The 'siteinfo.json' doesn't seem to be present on older Hubzilla installations
- if (empty($serverdata['network'])) {
- $serverdata = self::detectHubzilla($url, $serverdata);
- }
+ // The 'siteinfo.json' doesn't seem to be present on older Hubzilla installations, so we check other endpoints as well
+ if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $serverdata = self::detectHubzilla($url, $serverdata);
+ }
- if (empty($serverdata['network']) || in_array($serverdata['detection-method'], [self::DETECT_MANUAL, self::DETECT_BODY])) {
- $serverdata = self::detectPeertube($url, $serverdata);
- }
+ if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $serverdata = self::detectPeertube($url, $serverdata);
+ }
- if (empty($serverdata['network'])) {
- $serverdata = self::detectNextcloud($url, $serverdata);
+ if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $serverdata = self::detectGNUSocial($url, $serverdata);
+ }
+ }
}
- if (empty($nodeinfo['network']) && empty($serverdata['network'])) {
- $serverdata = self::detectGNUSocial($url, $serverdata);
+ if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $serverdata = self::detectNextcloud($url, $serverdata, $validHostMeta);
}
- if (empty($serverdata['network'])) {
- $serverdata = self::detectPumpIO($url, $serverdata);
+ // When nodeinfo isn't present, we use the older 'statistics.json' endpoint
+ // Since this endpoint is only rarely used, we query it at a later time
+ if (in_array($serverdata['detection-method'], array_merge(self::DETECT_UNSPECIFIC, [self::DETECT_FRIENDICA, self::DETECT_CONFIG_JSON]))) {
+ $serverdata = self::fetchStatistics($url, $serverdata);
}
-
- $serverdata = array_merge($nodeinfo, $serverdata);
- } else {
- $serverdata = $nodeinfo;
- }
-
- // Detect the directory type
- $serverdata['directory-type'] = self::DT_NONE;
-
- $serverdata = self::checkMastodonDirectory($url, $serverdata);
-
- if ($serverdata['directory-type'] == self::DT_NONE) {
- $serverdata = self::checkPoCo($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;
}
// When we hadn't been able to detect the network type, we use the hint from the parameter
$serverdata['network'] = $network;
}
+ // Most servers aren't installed in a subdirectory, so we declare this entry as failed
+ if (($serverdata['network'] == Protocol::PHANTOM) && !empty(parse_url($url, PHP_URL_PATH)) && in_array($serverdata['detection-method'], [self::DETECT_MANUAL])) {
+ self::setFailure($url);
+ return false;
+ }
+
$serverdata['url'] = $url;
$serverdata['nurl'] = Strings::normaliseLink($url);
- if (in_array($serverdata['network'], [Protocol::PHANTOM, Protocol::FEED])) {
+ // We have to prevent an endless loop here.
+ // When a server is new, then there is no gserver entry yet.
+ // But in "detectNetworkViaContacts" it could happen that a contact is updated,
+ // and this can call this function here as well.
+ if (in_array($serverdata['network'], [Protocol::PHANTOM, Protocol::FEED]) && self::getID($url, true)) {
$serverdata = self::detectNetworkViaContacts($url, $serverdata);
}
+ // Detect the directory type
+ $serverdata['directory-type'] = self::DT_NONE;
+
+ if (in_array($serverdata['network'], Protocol::FEDERATED)) {
+ $serverdata = self::checkMastodonDirectory($url, $serverdata);
+
+ if ($serverdata['directory-type'] == self::DT_NONE) {
+ $serverdata = self::checkPoCo($url, $serverdata);
+ }
+ }
+
if ($serverdata['network'] == Protocol::ACTIVITYPUB) {
$serverdata = self::fetchWeeklyUsage($url, $serverdata);
}
$serverdata['last_contact'] = DateTimeFormat::utcNow();
$serverdata['failed'] = false;
+ // Limit the length on incoming fields
+ $serverdata = DBStructure::getFieldsForTable('gserver', $serverdata);
+
$gserver = DBA::selectFirst('gserver', ['network'], ['nurl' => Strings::normaliseLink($url)]);
if (!DBA::isResult($gserver)) {
$serverdata['created'] = DateTimeFormat::utcNow();
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) {
}
}
- if (!empty($serverdata['network']) && in_array($serverdata['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
+ if (in_array($serverdata['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
self::discoverRelay($url);
}
+ if (!empty($systemactor)) {
+ $contact = Contact::getByURL($systemactor, true, ['gsid', 'baseurl', 'id', 'network', 'url', 'name']);
+ Logger::debug('Fetched system actor', ['url' => $url, 'gsid' => $id, 'contact' => $contact]);
+ }
+
return $ret;
}
*
* @return array server data
*/
- private static function fetchStatistics(string $url)
+ private static function fetchStatistics(string $url, array $serverdata)
{
$curlResult = DI::httpClient()->get($url . '/statistics.json', HttpClientAccept::JSON);
if (!$curlResult->isSuccess()) {
- return [];
+ return $serverdata;
}
$data = json_decode($curlResult->getBody(), true);
if (empty($data)) {
- return [];
+ return $serverdata;
}
- $serverdata = ['detection-method' => self::DETECT_STATISTICS_JSON];
+ // Some AP enabled systems return activity data that we don't expect here.
+ if (strpos($curlResult->getContentType(), 'application/activity+json') !== false) {
+ return $serverdata;
+ }
+
+ $valid = false;
+ $old_serverdata = $serverdata;
+
+ $serverdata['detection-method'] = self::DETECT_STATISTICS_JSON;
if (!empty($data['version'])) {
+ $valid = true;
$serverdata['version'] = $data['version'];
// Version numbers on statistics.json are presented with additional info, e.g.:
// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
}
if (!empty($data['name'])) {
+ $valid = true;
$serverdata['site_name'] = $data['name'];
}
if (!empty($data['network'])) {
+ $valid = true;
$serverdata['platform'] = strtolower($data['network']);
if ($serverdata['platform'] == 'diaspora') {
}
if (!empty($data['total_users'])) {
+ $valid = true;
$serverdata['registered-users'] = max($data['total_users'], 1);
}
if (!empty($data['active_users_monthly'])) {
+ $valid = true;
$serverdata['active-month-users'] = max($data['active_users_monthly'], 0);
}
if (!empty($data['active_users_halfyear'])) {
+ $valid = true;
$serverdata['active-halfyear-users'] = max($data['active_users_halfyear'], 0);
}
if (!empty($data['local_posts'])) {
+ $valid = true;
$serverdata['local-posts'] = max($data['local_posts'], 0);
}
$serverdata['register_policy'] = Register::CLOSED;
}
+ if (!$valid) {
+ return $old_serverdata;
+ }
+
return $serverdata;
}
$server = [];
- // When the nodeinfo url isn't on the same host, then there is obviously something wrong
- if (!empty($nodeinfo2_url) && (parse_url($url, PHP_URL_HOST) == parse_url($nodeinfo2_url, PHP_URL_HOST))) {
+ if (!empty($nodeinfo2_url)) {
$server = self::parseNodeinfo2($nodeinfo2_url);
}
- // When the nodeinfo url isn't on the same host, then there is obviously something wrong
- if (empty($server) && !empty($nodeinfo1_url) && (parse_url($url, PHP_URL_HOST) == parse_url($nodeinfo1_url, PHP_URL_HOST))) {
+ if (empty($server) && !empty($nodeinfo1_url)) {
$server = self::parseNodeinfo1($nodeinfo1_url);
}
return [];
}
+ if (empty($server['network'])) {
+ $server['network'] = Protocol::PHANTOM;
+ }
+
return $server;
}
}
$nodeinfo = json_decode($curlResult->getBody(), true);
-
if (!is_array($nodeinfo)) {
return [];
}
$server['register_policy'] = Register::OPEN;
}
- if (is_array($nodeinfo['software'])) {
- if (!empty($nodeinfo['software']['name'])) {
+ if (!empty($nodeinfo['software'])) {
+ if (isset($nodeinfo['software']['name'])) {
$server['platform'] = strtolower($nodeinfo['software']['name']);
}
- if (!empty($nodeinfo['software']['version'])) {
+ if (!empty($nodeinfo['software']['version']) && isset($server['platform'])) {
$server['version'] = $nodeinfo['software']['version'];
// Version numbers on Nodeinfo are presented with additional info, e.g.:
// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
return [];
}
+ if (empty($server['network'])) {
+ $server['network'] = Protocol::PHANTOM;
+ }
+
+ return $server;
+ }
+
+ /**
+ * Parses NodeInfo2 protocol 1.0
+ *
+ * @see https://github.com/jaywink/nodeinfo2/blob/master/PROTOCOL.md
+ * @param string $nodeinfo_url address of the nodeinfo path
+ * @return array Server data
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ private static function parseNodeinfo210(ICanHandleHttpResponses $httpResult)
+ {
+ if (!$httpResult->isSuccess()) {
+ return [];
+ }
+
+ $nodeinfo = json_decode($httpResult->getBody(), true);
+
+ if (!is_array($nodeinfo)) {
+ return [];
+ }
+
+ $server = ['detection-method' => self::DETECT_NODEINFO_210,
+ 'register_policy' => Register::CLOSED];
+
+ if (!empty($nodeinfo['openRegistrations'])) {
+ $server['register_policy'] = Register::OPEN;
+ }
+
+ if (!empty($nodeinfo['server'])) {
+ if (!empty($nodeinfo['server']['software'])) {
+ $server['platform'] = strtolower($nodeinfo['server']['software']);
+ }
+
+ if (!empty($nodeinfo['server']['version'])) {
+ $server['version'] = $nodeinfo['server']['version'];
+ // Version numbers on Nodeinfo are presented with additional info, e.g.:
+ // 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['server']['name'])) {
+ $server['site_name'] = $nodeinfo['server']['name'];
+ }
+ }
+
+ if (!empty($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 $protocol) {
+ if (is_string($protocol)) {
+ $protocols[$protocol] = true;
+ }
+ }
+
+ if (!empty($protocols['dfrn'])) {
+ $server['network'] = Protocol::DFRN;
+ } elseif (!empty($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) || empty($server['platform'])) {
+ return [];
+ }
+
+ if (empty($server['network'])) {
+ $server['network'] = Protocol::PHANTOM;
+ }
+
return $server;
}
return $serverdata;
}
- if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ if (in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata['detection-method'] = self::DETECT_SITEINFO_JSON;
}
return $serverdata;
}
+ private static function fetchDataFromSystemActor(array $data, array $serverdata)
+ {
+ if (empty($data)) {
+ return ['server' => $serverdata, 'actor' => ''];
+ }
+
+ $actor = JsonLD::compact($data);
+ if (in_array(JsonLD::fetchElement($actor, '@type'), ActivityPub\Receiver::ACCOUNT_TYPES)) {
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
+ $serverdata['site_name'] = JsonLD::fetchElement($actor, 'as:name', '@value');
+ $serverdata['info'] = JsonLD::fetchElement($actor, 'as:summary', '@value');
+ if (!empty($actor['as:generator'])) {
+ $serverdata['platform'] = JsonLD::fetchElement($actor['as:generator'], 'as:name', '@value');
+ $serverdata['detection-method'] = self::DETECT_SYSTEM_ACTOR;
+ } else {
+ $serverdata['detection-method'] = self::DETECT_AP_ACTOR;
+ }
+ return ['server' => $serverdata, 'actor' => $actor['@id']];
+ } elseif ((JsonLD::fetchElement($actor, '@type') == 'as:Collection')) {
+ // By now only Ktistec seems to provide collections this way
+ $serverdata['platform'] = 'ktistec';
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
+ $serverdata['detection-method'] = self::DETECT_AP_COLLECTION;
+
+ $actors = JsonLD::fetchElementArray($actor, 'as:items');
+ if (!empty($actors) && !empty($actors[0]['@id'])) {
+ $actor_url = $actor['@id'] . $actors[0]['@id'];
+ } else {
+ $actor_url = '';
+ }
+
+ return ['server' => $serverdata, 'actor' => $actor_url];
+ }
+ return ['server' => $serverdata, 'actor' => ''];
+ }
+
/**
* Checks if the server contains a valid host meta file
*
{
$contacts = [];
- $apcontacts = DBA::select('apcontact', ['url'], ['baseurl' => [$url, $serverdata['nurl']]]);
+ $nurl = Strings::normaliseLink($url);
+
+ $apcontacts = DBA::select('apcontact', ['url'], ['baseurl' => [$url, $nurl]]);
while ($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']]]);
+ $pcontacts = DBA::select('contact', ['url', 'nurl'], ['uid' => 0, 'baseurl' => [$url, $nurl]]);
while ($pcontact = DBA::fetch($pcontacts)) {
$contacts[$pcontact['nurl']] = $pcontact['url'];
}
$time = time();
foreach ($contacts as $contact) {
- $probed = Contact::getByURL($contact, true);
- if (!empty($probed) && !$probed['failed'] && in_array($probed['network'], Protocol::FEDERATED)) {
- $serverdata['network'] = $probed['network'];
+ // Endlosschleife verhindern wegen gsid!
+ $data = Probe::uri($contact);
+ if (in_array($data['network'], Protocol::FEDERATED)) {
+ $serverdata['network'] = $data['network'];
+
+ if (in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $serverdata['detection-method'] = self::DETECT_CONTACTS;
+ }
break;
} elseif ((time() - $time) > 10) {
// To reduce the stress on remote systems we probe a maximum of 10 seconds
}
}
- if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ if (in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata['detection-method'] = self::DETECT_V1_CONFIG;
}
}
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
+ * @param bool $validHostMeta
*
* @return array server data
*/
- private static function detectNextcloud(string $url, array $serverdata)
+ private static function detectNextcloud(string $url, array $serverdata, bool $validHostMeta)
{
$curlResult = DI::httpClient()->get($url . '/status.php', HttpClientAccept::JSON);
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
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])) {
+ if ($validHostMeta) {
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
+ }
+
+ if (in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata['detection-method'] = self::DETECT_STATUS_PHP;
}
}
// Most likely the data is sorted correctly. But we better are safe than sorry
if (empty($current_week['week']) || ($current_week['week'] < $week['week'])) {
$current_week = $week;
- }
+ }
}
if (!empty($current_week['logins'])) {
return $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)
- {
- $gserver = DBA::selectFirst('gserver', ['id'], ['nurl' => Strings::normaliseLink($url)]);
- if (empty($gserver)) {
- return $serverdata;
- }
-
- $contact = Contact::selectFirst(['id'], ['uid' => 0, 'failed' => false, 'gsid' => $gserver['id']]);
-
- // Via probing we can be sure that the server is responding
- if (!empty($contact['id']) && 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
return $serverdata;
}
- if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
- $serverdata['detection-method'] = self::DETECT_MASTODON_API;
- }
+ $valid = false;
if (!empty($data['version'])) {
$serverdata['platform'] = 'mastodon';
$serverdata['version'] = $data['version'] ?? '';
$serverdata['network'] = Protocol::ACTIVITYPUB;
+ $valid = true;
}
if (!empty($data['title'])) {
$serverdata['site_name'] = $data['title'];
}
- if (!empty($data['title']) && empty($serverdata['platform']) && empty($serverdata['network'])) {
+ if (!empty($data['title']) && empty($serverdata['platform']) && ($serverdata['network'] == Protocol::PHANTOM)) {
$serverdata['platform'] = 'mastodon';
$serverdata['network'] = Protocol::ACTIVITYPUB;
+ $valid = true;
}
if (!empty($data['description'])) {
if (!empty($serverdata['version']) && preg_match('/.*?\(compatible;\s(.*)\s(.*)\)/ism', $serverdata['version'], $matches)) {
$serverdata['platform'] = strtolower($matches[1]);
$serverdata['version'] = $matches[2];
+ $valid = true;
}
if (!empty($serverdata['version']) && strstr(strtolower($serverdata['version']), 'pleroma')) {
$serverdata['platform'] = 'pleroma';
$serverdata['version'] = trim(str_ireplace('pleroma', '', $serverdata['version']));
+ $valid = true;
}
if (!empty($serverdata['platform']) && strstr($serverdata['platform'], 'pleroma')) {
$serverdata['version'] = trim(str_ireplace('pleroma', '', $serverdata['platform']));
$serverdata['platform'] = 'pleroma';
+ $valid = true;
+ }
+
+ if ($valid && in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
+ $serverdata['detection-method'] = self::DETECT_MASTODON_API;
}
return $serverdata;
$serverdata['register_policy'] = Register::CLOSED;
}
- if (!empty($serverdata['network']) && in_array($serverdata['detection-method'],
- [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ if (($serverdata['network'] != Protocol::PHANTOM) && in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata['detection-method'] = self::DETECT_CONFIG_JSON;
}
return $val;
}
- /**
- * 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)
- {
- $curlResult = DI::httpClient()->get($url . '/.well-known/host-meta.json', HttpClientAccept::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
*
$serverdata['version'] = trim($serverdata['version'], '"');
$serverdata['network'] = Protocol::OSTATUS;
- if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ if (in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata['detection-method'] = self::DETECT_GNUSOCIAL;
}
$serverdata['network'] = Protocol::OSTATUS;
}
- if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ if (in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata['detection-method'] = self::DETECT_STATUSNET;
}
}
return $serverdata;
}
- if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
+ if (in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata['detection-method'] = $friendika ? self::DETECT_FRIENDIKA : self::DETECT_FRIENDICA;
}
*
* @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 $url)
+ private static function analyseRootBody($curlResult, array $serverdata)
{
if (empty($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'];
+ if (file_exists(__DIR__ . '/../../static/generator.config.php')) {
+ require __DIR__ . '/../../static/generator.config.php';
+ } else {
+ throw new HTTPException\InternalServerErrorException('Invalid generator file');
+ }
+
+ $platforms = array_merge($ap_platforms, $dfrn_platforms, $zap_platforms, $platforms);
+ $valid_platforms = array_values($platforms);
$doc = new DOMDocument();
@$doc->loadHTML($curlResult->getBody());
$xpath = new DOMXPath($doc);
+ // We can only detect honk via some HTML element on their page
+ if ($xpath->query('//div[@id="honksonpage"]')->count() == 1) {
+ $serverdata['platform'] = 'honk';
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
+ }
+
$title = trim(XML::getFirstNodeValue($xpath, '//head/title/text()'));
if (!empty($title)) {
$serverdata['site_name'] = $title;
}
if (in_array($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') && (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'] = 'wordpress';
- $serverdata['version'] = $version_part[1];
+ 'twitter:app:name:googleplay', 'twitter:app:name:iphone', 'twitter:app:name:ipad', 'generator'])) {
+ $platform = str_replace(array_keys($platforms), array_values($platforms), $attr['content']);
+ $platform = strtolower(str_replace('/', ' ', $platform));
+ $version_part = explode(' ', $platform);
- // 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) {
- $serverdata['detection-method'] = self::DETECT_BODY;
- }
+ if (count($version_part) >= 2) {
+ if (in_array($version_part[0], array_values($dfrn_platforms))) {
+ $serverdata['network'] = Protocol::DFRN;
+ } elseif (in_array($version_part[0], array_values($ap_platforms))) {
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
+ } elseif (in_array($version_part[0], array_values($zap_platforms))) {
+ $serverdata['network'] = Protocol::ZOT;
}
- if (in_array($version_part[0], ['Friendika', 'Friendica'])) {
- $serverdata['platform'] = strtolower($version_part[0]);
+ if (in_array(strtolower($version_part[0]), $valid_platforms)) {
+ $platform = strtolower($version_part[0]);
$serverdata['version'] = $version_part[1];
- $serverdata['network'] = Protocol::DFRN;
}
}
+ if (in_array($platform, array_values($platforms))) {
+ $serverdata['platform'] = $platform;
+ } elseif (empty($serverdata['platform'])) {
+ print_r($attr);
+ }
}
}
$serverdata['info'] = $attr['content'];
}
- if ($attr['property'] == 'og:platform') {
- $serverdata['platform'] = strtolower($attr['content']);
-
- if (in_array($attr['content'], ['PeerTube'])) {
- $serverdata['network'] = Protocol::ACTIVITYPUB;
+ if (in_array($attr['property'], ['og:platform', 'generator'])) {
+ if (in_array($attr['content'], array_keys($platforms))) {
+ $serverdata['platform'] = $platforms[$attr['content']];
+ } else {
+ print_r($attr);
}
- }
- if ($attr['property'] == 'generator') {
- $serverdata['platform'] = strtolower($attr['content']);
-
- if (in_array($attr['content'], ['hubzilla'])) {
- // We later check which compatible protocol modules are loaded.
+ if (in_array($attr['content'], array_keys($ap_platforms))) {
+ $serverdata['network'] = Protocol::ACTIVITYPUB;
+ } elseif (in_array($attr['content'], array_values($zap_platforms))) {
$serverdata['network'] = Protocol::ZOT;
}
}
}
- if (!empty($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']) && ($serverdata['detection-method'] == self::DETECT_MANUAL)) {
+ if (in_array($serverdata['platform'], $valid_platforms) && ($serverdata['detection-method'] == self::DETECT_MANUAL)) {
$serverdata['detection-method'] = self::DETECT_BODY;
}
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
*/