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Improved server detection

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This commit is contained in:
Michael 2022-07-05 05:04:05 +00:00
commit cc75eb5d18
9 changed files with 660 additions and 342 deletions
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6
src/Console/Relay.php
View file

@ -91,8 +91,8 @@ HELP;
if ((count($this->args) == 1) && ($this->getArgument(0) == 'list')) { if ((count($this->args) == 1) && ($this->getArgument(0) == 'list')) {
$contacts = $this->dba->select('apcontact', ['url'], $contacts = $this->dba->select('apcontact', ['url'],
["`type` = ? AND `url` IN (SELECT `url` FROM `contact` WHERE `uid` = ? AND `rel` = ?)", ["`type` IN (?, ?) AND `url` IN (SELECT `url` FROM `contact` WHERE `uid` = ? AND `rel` = ?)",
'Application', 0, Contact::FRIEND]); 'Application', 'Service', 0, Contact::FRIEND]);
while ($contact = $this->dba->fetch($contacts)) { while ($contact = $this->dba->fetch($contacts)) {
$this->out($contact['url']); $this->out($contact['url']);
} }
@ -108,7 +108,7 @@ HELP;
$actor = $this->getArgument(1); $actor = $this->getArgument(1);
$apcontact = APContact::getByURL($actor); $apcontact = APContact::getByURL($actor);
if (empty($apcontact) || ($apcontact['type'] != 'Application')) { if (empty($apcontact) || !in_array($apcontact['type'], ['Application', 'Service'])) {
$this->out($actor . ' is no relay actor'); $this->out($actor . ' is no relay actor');
return 1; return 1;
} }

22
src/Core/Worker/Cron.php
View file

@ -25,9 +25,11 @@ use Friendica\Core\Logger;
use Friendica\Core\Worker; use Friendica\Core\Worker;
use Friendica\Database\DBA; use Friendica\Database\DBA;
use Friendica\DI; use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Post; use Friendica\Model\Post;
use Friendica\Protocol\ActivityPub; use Friendica\Protocol\ActivityPub;
use Friendica\Util\DateTimeFormat; use Friendica\Util\DateTimeFormat;
use Friendica\Util\Strings;
/** /**
* Contains the class for jobs that are executed in an interval * Contains the class for jobs that are executed in an interval
@ -179,4 +181,24 @@ class Cron
} }
} }
} }
/**
* Add missing "intro" records.
*
* @return void
*/
private static function addIntros()
{
$contacts = DBA::p("SELECT `uid`, `id`, `created` FROM `contact` WHERE `rel` = ? AND `pending` AND NOT EXISTS (SELECT `id` FROM `intro` WHERE `contact-id` = `contact`.`id`)", Contact::FOLLOWER);
while ($contact = DBA::fetch($contacts)) {
$fields = [
'uid' => $contact['uid'],
'contact-id' => $contact['id'],
'datetime' => $contact['created'],
'hash' => Strings::getRandomHex()
];
Logger::notice('Adding missing intro', ['fields' => $fields]);
DBA::insert('intro', $fields);
}
}
} }

2
src/Model/APContact.php
View file

@ -164,6 +164,8 @@ class APContact
return $fetched_contact; return $fetched_contact;
} }
$url = $apcontact['url']; $url = $apcontact['url'];
} elseif (empty(parse_url($url, PHP_URL_PATH))) {
$apcontact['baseurl'] = $url;
} }
// Detect multiple fast repeating request to the same address // Detect multiple fast repeating request to the same address

736
src/Model/GServer.php
View file

@ -30,16 +30,22 @@ use Friendica\Core\System;
use Friendica\Core\Worker; use Friendica\Core\Worker;
use Friendica\Database\Database; use Friendica\Database\Database;
use Friendica\Database\DBA; use Friendica\Database\DBA;
use Friendica\Database\DBStructure;
use Friendica\DI; use Friendica\DI;
use Friendica\Module\Register; use Friendica\Module\Register;
use Friendica\Network\HTTPClient\Client\HttpClientAccept; use Friendica\Network\HTTPClient\Client\HttpClientAccept;
use Friendica\Network\HTTPClient\Client\HttpClientOptions; use Friendica\Network\HTTPClient\Client\HttpClientOptions;
use Friendica\Network\HTTPClient\Capability\ICanHandleHttpResponses; use Friendica\Network\HTTPClient\Capability\ICanHandleHttpResponses;
use Friendica\Network\Probe;
use Friendica\Protocol\ActivityPub;
use Friendica\Protocol\Relay; use Friendica\Protocol\Relay;
use Friendica\Util\DateTimeFormat; use Friendica\Util\DateTimeFormat;
use Friendica\Util\JsonLD;
use Friendica\Util\Network; use Friendica\Util\Network;
use Friendica\Util\Strings; use Friendica\Util\Strings;
use Friendica\Util\XML; use Friendica\Util\XML;
use GuzzleHttp\Exception\TransferException;
use Friendica\Network\HTTPException;
/** /**
* This class handles GServer related functions * This class handles GServer related functions
@ -57,6 +63,12 @@ class GServer
const DETECT_MANUAL = 0; const DETECT_MANUAL = 0;
const DETECT_HEADER = 1; const DETECT_HEADER = 1;
const DETECT_BODY = 2; 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 // Implementation specific endpoints
const DETECT_FRIENDIKA = 10; const DETECT_FRIENDIKA = 10;
@ -68,12 +80,14 @@ class GServer
const DETECT_MASTODON_API = 16; const DETECT_MASTODON_API = 16;
const DETECT_STATUS_PHP = 17; // Nextcloud const DETECT_STATUS_PHP = 17; // Nextcloud
const DETECT_V1_CONFIG = 18; 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 // Standardized endpoints
const DETECT_STATISTICS_JSON = 100; const DETECT_STATISTICS_JSON = 100;
const DETECT_NODEINFO_1 = 101; const DETECT_NODEINFO_1 = 101;
const DETECT_NODEINFO_2 = 102; 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 * Check for the existance of a server and adds it in the background if not existant
@ -108,7 +122,7 @@ class GServer
$gserver = DBA::selectFirst('gserver', ['id'], ['nurl' => Strings::normaliseLink($url)]); $gserver = DBA::selectFirst('gserver', ['id'], ['nurl' => Strings::normaliseLink($url)]);
if (DBA::isResult($gserver)) { if (DBA::isResult($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']; return $gserver['id'];
} }
@ -268,8 +282,8 @@ class GServer
$gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($url)]); $gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($url)]);
if (DBA::isResult($gserver)) { if (DBA::isResult($gserver)) {
$next_update = self::getNextUpdateDate(false, $gserver['created'], $gserver['last_contact']); $next_update = self::getNextUpdateDate(false, $gserver['created'], $gserver['last_contact']);
DBA::update('gserver', ['failed' => true, 'last_failure' => DateTimeFormat::utcNow(), DBA::update('gserver', ['url' => $url, 'failed' => true, 'last_failure' => DateTimeFormat::utcNow(),
'next_contact' => $next_update, 'detection-method' => null], 'next_contact' => $next_update, 'network' => Protocol::PHANTOM, 'detection-method' => null],
['nurl' => Strings::normaliseLink($url)]); ['nurl' => Strings::normaliseLink($url)]);
Logger::info('Set failed status for existing server', ['url' => $url]); Logger::info('Set failed status for existing server', ['url' => $url]);
return; return;
@ -299,19 +313,6 @@ class GServer
return Network::unparseURL($urlparts); 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, ...) * Detect server data (type, protocol, version number, ...)
* The detected data is then updated or inserted in the gserver table. * The detected data is then updated or inserted in the gserver table.
@ -325,184 +326,167 @@ class GServer
public static function detect(string $url, string $network = '', bool $only_nodeinfo = false) public static function detect(string $url, string $network = '', bool $only_nodeinfo = false)
{ {
Logger::info('Detect server type', ['server' => $url]); Logger::info('Detect server type', ['server' => $url]);
$serverdata = ['detection-method' => self::DETECT_MANUAL];
$original_url = $url; $original_url = $url;
// Remove URL content that is not supposed to exist for a server url // Remove URL content that is not supposed to exist for a server url
$url = self::cleanURL($url); $url = rtrim(self::cleanURL($url), '/');
if (!Network::isUrlValid($url)) {
// Get base URL self::setFailure($url);
$baseurl = self::getBaseURL($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 the URL missmatches, then we mark the old entry as failure
if (Strings::normaliseLink($url) != Strings::normaliseLink($original_url)) {
self::setFailure($original_url);
self::detect($url, $network, $only_nodeinfo);
return false;
}
// 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;
}
// 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;
}
$in_webroot = empty(parse_url($url, PHP_URL_PATH));
// When a nodeinfo is present, we don't need to dig further // 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/x-nodeinfo2', HttpClientAccept::JSON);
$curlResult = DI::httpClient()->get($url . '/.well-known/nodeinfo', HttpClientAccept::JSON, [HttpClientOptions::TIMEOUT => $xrd_timeout]);
if ($curlResult->isTimeout()) { if ($curlResult->isTimeout()) {
self::setFailure($url); self::setFailure($url);
return false; return false;
} }
// On a redirect follow the new host but mark the old one as failure $serverdata = self::parseNodeinfo210($curlResult);
if ($curlResult->isSuccess() && !empty($curlResult->getRedirectUrl()) && (parse_url($url, PHP_URL_HOST) != parse_url($curlResult->getRedirectUrl(), PHP_URL_HOST))) { if (empty($serverdata)) {
$curlResult = DI::httpClient()->get($url, HttpClientAccept::HTML, [HttpClientOptions::TIMEOUT => $xrd_timeout]); $curlResult = DI::httpClient()->get($url . '/.well-known/nodeinfo', HttpClientAccept::JSON);
if (!empty($curlResult->getRedirectUrl()) && parse_url($url, PHP_URL_HOST) != parse_url($curlResult->getRedirectUrl(), PHP_URL_HOST)) { $serverdata = self::fetchNodeinfo($url, $curlResult);
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($serverdata)) {
if ($only_nodeinfo && empty($nodeinfo)) {
Logger::info('Invalid nodeinfo in nodeinfo-mode, server is marked as failure', ['url' => $url]); Logger::info('Invalid nodeinfo in nodeinfo-mode, server is marked as failure', ['url' => $url]);
self::setFailure($url); self::setFailure($url);
return false; return false;
} elseif (empty($serverdata)) {
$serverdata = ['detection-method' => self::DETECT_MANUAL, 'network' => Protocol::PHANTOM, 'platform' => '', 'version' => '', 'site_name' => '', 'info' => ''];
} }
// When nodeinfo isn't present, we use the older 'statistics.json' endpoint // When there is no Nodeinfo, then use some protocol specific endpoints
if (empty($nodeinfo)) { if ($serverdata['network'] == Protocol::PHANTOM) {
$nodeinfo = self::fetchStatistics($url); if ($in_webroot) {
} // Fetch the landing page, possibly it reveals some data
$accept = 'application/activity+json,application/ld+json,application/json,*/*;q=0.9';
// If that didn't work out well, we use some protocol specific endpoints $curlResult = DI::httpClient()->get($url, $accept);
// For Friendica and Zot based networks we have to dive deeper to reveal more details if (!$curlResult->isSuccess() && $curlResult->getReturnCode() == '406') {
if (empty($nodeinfo['network']) || in_array($nodeinfo['network'], [Protocol::DFRN, Protocol::ZOT])) { $curlResult = DI::httpClient()->get($url, HttpClientAccept::HTML);
if (!empty($nodeinfo['detection-method'])) { $html_fetched = true;
$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;
} else { } 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 ($curlResult->isSuccess()) {
if (!empty($curlResult->getRedirectUrl()) && (parse_url($baseurl, PHP_URL_HOST) != parse_url($curlResult->getRedirectUrl(), PHP_URL_HOST))) { $json = json_decode($curlResult->getBody(), true);
Logger::info('Found redirect. Mark old entry as failure', ['old' => $url, 'new' => $curlResult->getRedirectUrl()]); if (!empty($json)) {
self::setFailure($url); $data = self::fetchDataFromSystemActor($json, $serverdata);
self::detect($curlResult->getRedirectUrl(), $network, $only_nodeinfo); $serverdata = $data['server'];
return false; $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, $basedata); if ($serverdata['detection-method'] != self::DETECT_SYSTEM_ACTOR) {
$basedata = self::analyseRootBody($curlResult, $basedata, $baseurl); $serverdata = self::analyseRootHeader($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($url); self::setFailure($url);
return false; return false;
} }
if ($baseurl == $url) { if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata = $basedata; $serverdata = self::detectMastodonAlikes($url, $serverdata);
} 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 = $urldata;
}
}
} }
} }
if (empty($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. // 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. // With this check we don't have to waste time and ressources for dead systems.
// Also this hopefully prevents us from receiving abuse messages. // Also this hopefully prevents us from receiving abuse messages.
$validHostMeta = self::validHostMeta($url); if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$validHostMeta = self::validHostMeta($url);
if (empty($serverdata['network']) && !$validHostMeta) { } else {
$serverdata = self::detectFromContacts($url, $serverdata); $validHostMeta = false;
} }
if (empty($serverdata['network']) && !$validHostMeta) { if ($validHostMeta) {
self::setFailure($url); if ($serverdata['detection-method'] == self::DETECT_MANUAL) {
return false; $serverdata['detection-method'] = self::DETECT_HOST_META;
$serverdata['platform'] = '';
}
if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata = self::detectFriendica($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, $serverdata);
}
// The 'siteinfo.json' doesn't seem to be present on older Hubzilla installations, so we check other endpoints as well
if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata = self::detectHubzilla($url, $serverdata);
}
if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata = self::detectPeertube($url, $serverdata);
}
if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata = self::detectGNUSocial($url, $serverdata);
}
}
} }
if (empty($serverdata['network']) || in_array($serverdata['network'], [Protocol::DFRN, Protocol::ACTIVITYPUB])) { if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata = self::detectFriendica($url, $serverdata); $serverdata = self::detectNextcloud($url, $serverdata, $validHostMeta);
} }
// the 'siteinfo.json' is some specific endpoint of Hubzilla and Red // When nodeinfo isn't present, we use the older 'statistics.json' endpoint
if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::ZOT)) { // Since this endpoint is only rarely used, we query it at a later time
$serverdata = self::fetchSiteinfo($url, $serverdata); if (in_array($serverdata['detection-method'], array_merge(self::DETECT_UNSPECIFIC, [self::DETECT_FRIENDICA, self::DETECT_CONFIG_JSON]))) {
$serverdata = self::fetchStatistics($url, $serverdata);
} }
// The 'siteinfo.json' doesn't seem to be present on older Hubzilla installations
if (empty($serverdata['network'])) {
$serverdata = self::detectHubzilla($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, $serverdata);
}
if (empty($nodeinfo['network']) && 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;
$serverdata = self::checkMastodonDirectory($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 // When we hadn't been able to detect the network type, we use the hint from the parameter
@ -510,13 +494,34 @@ class GServer
$serverdata['network'] = $network; $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['url'] = $url;
$serverdata['nurl'] = Strings::normaliseLink($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); $serverdata = self::detectNetworkViaContacts($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) { if ($serverdata['network'] == Protocol::ACTIVITYPUB) {
$serverdata = self::fetchWeeklyUsage($url, $serverdata); $serverdata = self::fetchWeeklyUsage($url, $serverdata);
} }
@ -535,6 +540,9 @@ class GServer
$serverdata['last_contact'] = DateTimeFormat::utcNow(); $serverdata['last_contact'] = DateTimeFormat::utcNow();
$serverdata['failed'] = false; $serverdata['failed'] = false;
// Limit the length on incoming fields
$serverdata = DBStructure::getFieldsForTable('gserver', $serverdata);
$gserver = DBA::selectFirst('gserver', ['network'], ['nurl' => Strings::normaliseLink($url)]); $gserver = DBA::selectFirst('gserver', ['network'], ['nurl' => Strings::normaliseLink($url)]);
if (!DBA::isResult($gserver)) { if (!DBA::isResult($gserver)) {
$serverdata['created'] = DateTimeFormat::utcNow(); $serverdata['created'] = DateTimeFormat::utcNow();
@ -575,10 +583,15 @@ class GServer
} }
} }
if (!empty($serverdata['network']) && in_array($serverdata['network'], [Protocol::DFRN, Protocol::DIASPORA])) { if (in_array($serverdata['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
self::discoverRelay($url); self::discoverRelay($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 $ret;
} }
@ -685,21 +698,30 @@ class GServer
* *
* @return array server data * @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); $curlResult = DI::httpClient()->get($url . '/statistics.json', HttpClientAccept::JSON);
if (!$curlResult->isSuccess()) { if (!$curlResult->isSuccess()) {
return []; return $serverdata;
} }
$data = json_decode($curlResult->getBody(), true); $data = json_decode($curlResult->getBody(), true);
if (empty($data)) { if (empty($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'])) { if (!empty($data['version'])) {
$valid = true;
$serverdata['version'] = $data['version']; $serverdata['version'] = $data['version'];
// Version numbers on statistics.json are presented with additional info, e.g.: // Version numbers on statistics.json are presented with additional info, e.g.:
// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191. // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
@ -707,10 +729,12 @@ class GServer
} }
if (!empty($data['name'])) { if (!empty($data['name'])) {
$valid = true;
$serverdata['site_name'] = $data['name']; $serverdata['site_name'] = $data['name'];
} }
if (!empty($data['network'])) { if (!empty($data['network'])) {
$valid = true;
$serverdata['platform'] = strtolower($data['network']); $serverdata['platform'] = strtolower($data['network']);
if ($serverdata['platform'] == 'diaspora') { if ($serverdata['platform'] == 'diaspora') {
@ -725,18 +749,22 @@ class GServer
} }
if (!empty($data['total_users'])) { if (!empty($data['total_users'])) {
$valid = true;
$serverdata['registered-users'] = max($data['total_users'], 1); $serverdata['registered-users'] = max($data['total_users'], 1);
} }
if (!empty($data['active_users_monthly'])) { if (!empty($data['active_users_monthly'])) {
$valid = true;
$serverdata['active-month-users'] = max($data['active_users_monthly'], 0); $serverdata['active-month-users'] = max($data['active_users_monthly'], 0);
} }
if (!empty($data['active_users_halfyear'])) { if (!empty($data['active_users_halfyear'])) {
$valid = true;
$serverdata['active-halfyear-users'] = max($data['active_users_halfyear'], 0); $serverdata['active-halfyear-users'] = max($data['active_users_halfyear'], 0);
} }
if (!empty($data['local_posts'])) { if (!empty($data['local_posts'])) {
$valid = true;
$serverdata['local-posts'] = max($data['local_posts'], 0); $serverdata['local-posts'] = max($data['local_posts'], 0);
} }
@ -746,6 +774,10 @@ class GServer
$serverdata['register_policy'] = Register::CLOSED; $serverdata['register_policy'] = Register::CLOSED;
} }
if (!$valid) {
return $old_serverdata;
}
return $serverdata; return $serverdata;
} }
@ -791,13 +823,11 @@ class GServer
$server = []; $server = [];
// When the nodeinfo url isn't on the same host, then there is obviously something wrong if (!empty($nodeinfo2_url)) {
if (!empty($nodeinfo2_url) && (parse_url($url, PHP_URL_HOST) == parse_url($nodeinfo2_url, PHP_URL_HOST))) {
$server = self::parseNodeinfo2($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)) {
if (empty($server) && !empty($nodeinfo1_url) && (parse_url($url, PHP_URL_HOST) == parse_url($nodeinfo1_url, PHP_URL_HOST))) {
$server = self::parseNodeinfo1($nodeinfo1_url); $server = self::parseNodeinfo1($nodeinfo1_url);
} }
@ -893,6 +923,10 @@ class GServer
return []; return [];
} }
if (empty($server['network'])) {
$server['network'] = Protocol::PHANTOM;
}
return $server; return $server;
} }
@ -912,7 +946,6 @@ class GServer
} }
$nodeinfo = json_decode($curlResult->getBody(), true); $nodeinfo = json_decode($curlResult->getBody(), true);
if (!is_array($nodeinfo)) { if (!is_array($nodeinfo)) {
return []; return [];
} }
@ -924,12 +957,12 @@ class GServer
$server['register_policy'] = Register::OPEN; $server['register_policy'] = Register::OPEN;
} }
if (is_array($nodeinfo['software'])) { if (!empty($nodeinfo['software'])) {
if (!empty($nodeinfo['software']['name'])) { if (isset($nodeinfo['software']['name'])) {
$server['platform'] = strtolower($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']; $server['version'] = $nodeinfo['software']['version'];
// Version numbers on Nodeinfo are presented with additional info, e.g.: // Version numbers on Nodeinfo are presented with additional info, e.g.:
// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191. // 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
@ -993,6 +1026,108 @@ class GServer
return []; return [];
} }
if (empty($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 $server;
} }
@ -1016,7 +1151,7 @@ class GServer
return $serverdata; 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; $serverdata['detection-method'] = self::DETECT_SITEINFO_JSON;
} }
@ -1081,6 +1216,42 @@ class GServer
return $serverdata; 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 * Checks if the server contains a valid host meta file
* *
@ -1138,13 +1309,15 @@ class GServer
{ {
$contacts = []; $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($apcontacts)) { while ($apcontact = DBA::fetch($apcontacts)) {
$contacts[Strings::normaliseLink($apcontact['url'])] = $apcontact['url']; $contacts[Strings::normaliseLink($apcontact['url'])] = $apcontact['url'];
} }
DBA::close($apcontacts); 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($pcontacts)) { while ($pcontact = DBA::fetch($pcontacts)) {
$contacts[$pcontact['nurl']] = $pcontact['url']; $contacts[$pcontact['nurl']] = $pcontact['url'];
} }
@ -1156,9 +1329,14 @@ class GServer
$time = time(); $time = time();
foreach ($contacts as $contact) { foreach ($contacts as $contact) {
$probed = Contact::getByURL($contact, true); // Endlosschleife verhindern wegen gsid!
if (!empty($probed) && !$probed['failed'] && in_array($probed['network'], Protocol::FEDERATED)) { $data = Probe::uri($contact);
$serverdata['network'] = $probed['network']; if (in_array($data['network'], Protocol::FEDERATED)) {
$serverdata['network'] = $data['network'];
if (in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata['detection-method'] = self::DETECT_CONTACTS;
}
break; break;
} elseif ((time() - $time) > 10) { } elseif ((time() - $time) > 10) {
// To reduce the stress on remote systems we probe a maximum of 10 seconds // To reduce the stress on remote systems we probe a maximum of 10 seconds
@ -1269,7 +1447,7 @@ class GServer
} }
} }
if (in_array($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; $serverdata['detection-method'] = self::DETECT_V1_CONFIG;
} }
} }
@ -1282,10 +1460,11 @@ class GServer
* *
* @param string $url URL of the given server * @param string $url URL of the given server
* @param array $serverdata array with server data * @param array $serverdata array with server data
* @param bool $validHostMeta
* *
* @return array server data * @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); $curlResult = DI::httpClient()->get($url . '/status.php', HttpClientAccept::JSON);
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) { if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
@ -1300,9 +1479,12 @@ class GServer
if (!empty($data['version'])) { if (!empty($data['version'])) {
$serverdata['platform'] = 'nextcloud'; $serverdata['platform'] = 'nextcloud';
$serverdata['version'] = $data['version']; $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; $serverdata['detection-method'] = self::DETECT_STATUS_PHP;
} }
} }
@ -1341,34 +1523,6 @@ class GServer
return $serverdata; 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 * Detects data from a given server url if it was a mastodon alike system
* *
@ -1389,23 +1543,23 @@ class GServer
return $serverdata; return $serverdata;
} }
if (in_array($serverdata['detection-method'], [self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) { $valid = false;
$serverdata['detection-method'] = self::DETECT_MASTODON_API;
}
if (!empty($data['version'])) { if (!empty($data['version'])) {
$serverdata['platform'] = 'mastodon'; $serverdata['platform'] = 'mastodon';
$serverdata['version'] = $data['version'] ?? ''; $serverdata['version'] = $data['version'] ?? '';
$serverdata['network'] = Protocol::ACTIVITYPUB; $serverdata['network'] = Protocol::ACTIVITYPUB;
$valid = true;
} }
if (!empty($data['title'])) { if (!empty($data['title'])) {
$serverdata['site_name'] = $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['platform'] = 'mastodon';
$serverdata['network'] = Protocol::ACTIVITYPUB; $serverdata['network'] = Protocol::ACTIVITYPUB;
$valid = true;
} }
if (!empty($data['description'])) { if (!empty($data['description'])) {
@ -1419,16 +1573,23 @@ class GServer
if (!empty($serverdata['version']) && preg_match('/.*?\(compatible;\s(.*)\s(.*)\)/ism', $serverdata['version'], $matches)) { if (!empty($serverdata['version']) && preg_match('/.*?\(compatible;\s(.*)\s(.*)\)/ism', $serverdata['version'], $matches)) {
$serverdata['platform'] = strtolower($matches[1]); $serverdata['platform'] = strtolower($matches[1]);
$serverdata['version'] = $matches[2]; $serverdata['version'] = $matches[2];
$valid = true;
} }
if (!empty($serverdata['version']) && strstr(strtolower($serverdata['version']), 'pleroma')) { if (!empty($serverdata['version']) && strstr(strtolower($serverdata['version']), 'pleroma')) {
$serverdata['platform'] = 'pleroma'; $serverdata['platform'] = 'pleroma';
$serverdata['version'] = trim(str_ireplace('pleroma', '', $serverdata['version'])); $serverdata['version'] = trim(str_ireplace('pleroma', '', $serverdata['version']));
$valid = true;
} }
if (!empty($serverdata['platform']) && strstr($serverdata['platform'], 'pleroma')) { if (!empty($serverdata['platform']) && strstr($serverdata['platform'], 'pleroma')) {
$serverdata['version'] = trim(str_ireplace('pleroma', '', $serverdata['platform'])); $serverdata['version'] = trim(str_ireplace('pleroma', '', $serverdata['platform']));
$serverdata['platform'] = 'pleroma'; $serverdata['platform'] = 'pleroma';
$valid = true;
}
if ($valid && in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata['detection-method'] = self::DETECT_MASTODON_API;
} }
return $serverdata; return $serverdata;
@ -1505,8 +1666,7 @@ class GServer
$serverdata['register_policy'] = Register::CLOSED; $serverdata['register_policy'] = Register::CLOSED;
} }
if (!empty($serverdata['network']) && in_array($serverdata['detection-method'], if (($serverdata['network'] != Protocol::PHANTOM) && in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
[self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_MANUAL])) {
$serverdata['detection-method'] = self::DETECT_CONFIG_JSON; $serverdata['detection-method'] = self::DETECT_CONFIG_JSON;
} }
@ -1531,56 +1691,6 @@ class GServer
return $val; 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 * Detect if the URL belongs to a GNU Social server
* *
@ -1602,7 +1712,7 @@ class GServer
$serverdata['version'] = trim($serverdata['version'], '"'); $serverdata['version'] = trim($serverdata['version'], '"');
$serverdata['network'] = Protocol::OSTATUS; $serverdata['network'] = Protocol::OSTATUS;
if (in_array($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['detection-method'] = self::DETECT_GNUSOCIAL;
} }
@ -1628,7 +1738,7 @@ class GServer
$serverdata['network'] = Protocol::OSTATUS; $serverdata['network'] = Protocol::OSTATUS;
} }
if (in_array($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; $serverdata['detection-method'] = self::DETECT_STATUSNET;
} }
} }
@ -1667,7 +1777,7 @@ class GServer
return $serverdata; 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; $serverdata['detection-method'] = $friendika ? self::DETECT_FRIENDIKA : self::DETECT_FRIENDICA;
} }
@ -1716,24 +1826,34 @@ class GServer
* *
* @param object $curlResult result of curl execution * @param object $curlResult result of curl execution
* @param array $serverdata array with server data * @param array $serverdata array with server data
* @param string $url Server URL
* *
* @return array server data * @return array server data
*/ */
private static function analyseRootBody($curlResult, array $serverdata, string $url) private static function analyseRootBody($curlResult, array $serverdata)
{ {
if (empty($curlResult->getBody())) { if (empty($curlResult->getBody())) {
return $serverdata; return $serverdata;
} }
// Using only body information we cannot safely detect a lot of systems. if (file_exists(__DIR__ . '/../../static/generator.config.php')) {
// So we define a list of platforms that we can detect safely. require __DIR__ . '/../../static/generator.config.php';
$valid_platforms = ['friendica', 'friendika', 'diaspora', 'mastodon', 'hubzilla', 'misskey', 'peertube', 'wordpress', 'write.as']; } 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(); $doc = new DOMDocument();
@$doc->loadHTML($curlResult->getBody()); @$doc->loadHTML($curlResult->getBody());
$xpath = new DOMXPath($doc); $xpath = new DOMXPath($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()')); $title = trim(XML::getFirstNodeValue($xpath, '//head/title/text()'));
if (!empty($title)) { if (!empty($title)) {
$serverdata['site_name'] = $title; $serverdata['site_name'] = $title;
@ -1763,34 +1883,28 @@ class GServer
} }
if (in_array($attr['name'], ['application-name', 'al:android:app_name', 'al:ios:app_name', 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'])) { 'twitter:app:name:googleplay', 'twitter:app:name:iphone', 'twitter:app:name:ipad', 'generator'])) {
$serverdata['platform'] = strtolower($attr['content']); $platform = str_replace(array_keys($platforms), array_values($platforms), $attr['content']);
if (in_array($attr['content'], ['Misskey', 'Write.as'])) { $platform = strtolower(str_replace('/', ' ', $platform));
$serverdata['network'] = Protocol::ACTIVITYPUB; $version_part = explode(' ', $platform);
}
}
if (($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 (count($version_part) >= 2) {
if (in_array($version_part[0], ['WordPress'])) { if (in_array($version_part[0], array_values($dfrn_platforms))) {
$serverdata['platform'] = 'wordpress';
$serverdata['version'] = $version_part[1];
// 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'])) {
$serverdata['platform'] = strtolower($version_part[0]);
$serverdata['version'] = $version_part[1];
$serverdata['network'] = Protocol::DFRN; $serverdata['network'] = Protocol::DFRN;
} elseif (in_array($version_part[0], array_values($ap_platforms))) {
$serverdata['network'] = Protocol::ACTIVITYPUB;
} elseif (in_array($version_part[0], array_values($zap_platforms))) {
$serverdata['network'] = Protocol::ZOT;
} }
if (in_array(strtolower($version_part[0]), $valid_platforms)) {
$platform = strtolower($version_part[0]);
$serverdata['version'] = $version_part[1];
}
}
if (in_array($platform, array_values($platforms))) {
$serverdata['platform'] = $platform;
} elseif (empty($serverdata['platform'])) {
print_r($attr);
} }
} }
} }
@ -1822,29 +1936,22 @@ class GServer
$serverdata['info'] = $attr['content']; $serverdata['info'] = $attr['content'];
} }
if ($attr['property'] == 'og:platform') { if (in_array($attr['property'], ['og:platform', 'generator'])) {
$serverdata['platform'] = strtolower($attr['content']); if (in_array($attr['content'], array_keys($platforms))) {
$serverdata['platform'] = $platforms[$attr['content']];
if (in_array($attr['content'], ['PeerTube'])) { } else {
$serverdata['network'] = Protocol::ACTIVITYPUB; print_r($attr);
} }
}
if ($attr['property'] == 'generator') { if (in_array($attr['content'], array_keys($ap_platforms))) {
$serverdata['platform'] = strtolower($attr['content']); $serverdata['network'] = Protocol::ACTIVITYPUB;
} elseif (in_array($attr['content'], array_values($zap_platforms))) {
if (in_array($attr['content'], ['hubzilla'])) {
// We later check which compatible protocol modules are loaded.
$serverdata['network'] = Protocol::ZOT; $serverdata['network'] = Protocol::ZOT;
} }
} }
} }
if (!empty($serverdata['platform']) && in_array($serverdata['detection-method'], [self::DETECT_MANUAL, self::DETECT_BODY]) && !in_array($serverdata['platform'], $valid_platforms)) { if (in_array($serverdata['platform'], $valid_platforms) && ($serverdata['detection-method'] == self::DETECT_MANUAL)) {
$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; $serverdata['detection-method'] = self::DETECT_BODY;
} }
@ -1883,19 +1990,6 @@ class GServer
return $serverdata; 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 * Update GServer entries
*/ */

2
src/Module/Admin/Federation.php
View file

@ -40,12 +40,14 @@ class Federation extends BaseAdmin
'friendica' => ['name' => 'Friendica', 'color' => '#ffc018'], // orange from the logo 'friendica' => ['name' => 'Friendica', 'color' => '#ffc018'], // orange from the logo
'birdsitelive' => ['name' => 'BirdsiteLIVE', 'color' => '#1b6ec2'], // Color from the page 'birdsitelive' => ['name' => 'BirdsiteLIVE', 'color' => '#1b6ec2'], // Color from the page
'bookwyrm' => ['name' => 'BookWyrm', 'color' => '#00d1b2'], // Color from the page 'bookwyrm' => ['name' => 'BookWyrm', 'color' => '#00d1b2'], // Color from the page
'castopod' => ['name' => 'Castopod', 'color' => '#00564a'], // Background color from the page
'diaspora' => ['name' => 'Diaspora', 'color' => '#a1a1a1'], // logo is black and white, makes a gray 'diaspora' => ['name' => 'Diaspora', 'color' => '#a1a1a1'], // logo is black and white, makes a gray
'funkwhale' => ['name' => 'Funkwhale', 'color' => '#4082B4'], // From the homepage 'funkwhale' => ['name' => 'Funkwhale', 'color' => '#4082B4'], // From the homepage
'gnusocial' => ['name' => 'GNU Social/Statusnet', 'color' => '#a22430'], // dark red from the logo 'gnusocial' => ['name' => 'GNU Social/Statusnet', 'color' => '#a22430'], // dark red from the logo
'gotosocial' => ['name' => 'GoToSocial', 'color' => '#df8958'], // Some color from their mascot 'gotosocial' => ['name' => 'GoToSocial', 'color' => '#df8958'], // Some color from their mascot
'hometown' => ['name' => 'Hometown', 'color' => '#1f70c1'], // Color from the Patreon page 'hometown' => ['name' => 'Hometown', 'color' => '#1f70c1'], // Color from the Patreon page
'hubzilla' => ['name' => 'Hubzilla/Red Matrix', 'color' => '#43488a'], // blue from the logo 'hubzilla' => ['name' => 'Hubzilla/Red Matrix', 'color' => '#43488a'], // blue from the logo
'hugo' => ['name' => 'Hugo', 'color' => '#0a1922'], // Color from the homepage background
'lemmy' => ['name' => 'Lemmy', 'color' => '#00c853'], // Green from the page 'lemmy' => ['name' => 'Lemmy', 'color' => '#00c853'], // Green from the page
'mastodon' => ['name' => 'Mastodon', 'color' => '#1a9df9'], // blue from the Mastodon logo 'mastodon' => ['name' => 'Mastodon', 'color' => '#1a9df9'], // blue from the Mastodon logo
'misskey' => ['name' => 'Misskey', 'color' => '#ccfefd'], // Font color of the homepage 'misskey' => ['name' => 'Misskey', 'color' => '#ccfefd'], // Font color of the homepage

5
src/Module/Api/Mastodon/Instance/Peers.php
View file

@ -24,6 +24,7 @@ namespace Friendica\Module\Api\Mastodon\Instance;
use Friendica\Core\Protocol; use Friendica\Core\Protocol;
use Friendica\Core\System; use Friendica\Core\System;
use Friendica\Database\DBA; use Friendica\Database\DBA;
use Friendica\Model\GServer;
use Friendica\Module\BaseApi; use Friendica\Module\BaseApi;
use Friendica\Network\HTTPException; use Friendica\Network\HTTPException;
use Friendica\Util\Network; use Friendica\Util\Network;
@ -41,7 +42,9 @@ class Peers extends BaseApi
$return = []; $return = [];
// We only select for Friendica and ActivityPub servers, since it is expected to only deliver AP compatible systems here. // We only select for Friendica and ActivityPub servers, since it is expected to only deliver AP compatible systems here.
$instances = DBA::select('gserver', ['url'], ["`network` in (?, ?) AND NOT `failed`", Protocol::DFRN, Protocol::ACTIVITYPUB]); $instances = DBA::select('gserver', ['url'], ["`network` in (?, ?) AND NOT `failed` AND NOT `detection-method` IN (?, ?, ?, ?)",
Protocol::DFRN, Protocol::ACTIVITYPUB,
GServer::DETECT_MANUAL, GServer::DETECT_HEADER, GServer::DETECT_BODY, GServer::DETECT_HOST_META]);
while ($instance = DBA::fetch($instances)) { while ($instance = DBA::fetch($instances)) {
$urldata = parse_url($instance['url']); $urldata = parse_url($instance['url']);
unset($urldata['scheme']); unset($urldata['scheme']);

57
src/Util/Network.php
View file

@ -25,6 +25,7 @@ use Friendica\Core\Hook;
use Friendica\Core\Logger; use Friendica\Core\Logger;
use Friendica\DI; use Friendica\DI;
use Friendica\Model\Contact; use Friendica\Model\Contact;
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
use Friendica\Network\HTTPException\NotModifiedException; use Friendica\Network\HTTPException\NotModifiedException;
use GuzzleHttp\Psr7\Uri; use GuzzleHttp\Psr7\Uri;
@ -66,14 +67,58 @@ class Network
$url = 'http://' . $url; $url = 'http://' . $url;
} }
/// @TODO Really suppress function outcomes? Why not find them + debug them? $xrd_timeout = DI::config()->get('system', 'xrd_timeout');
$h = @parse_url($url); $host = parse_url($url, PHP_URL_HOST);
if (!empty($h['host']) && (@dns_get_record($h['host'], DNS_A + DNS_CNAME) || filter_var($h['host'], FILTER_VALIDATE_IP))) { if (empty($host) || !(@dns_get_record($host . '.', DNS_A + DNS_AAAA + DNS_CNAME) || filter_var($host, FILTER_VALIDATE_IP))) {
return $url; return false;
} }
return false; // Check if the certificate is valid for this hostname
if (parse_url($url, PHP_URL_SCHEME) == 'https') {
$port = parse_url($url, PHP_URL_PORT) ?? 443;
$context = stream_context_create(["ssl" => ['capture_peer_cert' => true]]);
$resource = @stream_socket_client('ssl://' . $host . ':' . $port, $errno, $errstr, $xrd_timeout, STREAM_CLIENT_CONNECT, $context);
if (empty($resource)) {
Logger::notice('Invalid certificate', ['host' => $host]);
return false;
}
$cert = stream_context_get_params($resource);
if (empty($cert)) {
Logger::notice('Invalid certificate params', ['host' => $host]);
return false;
}
$certinfo = openssl_x509_parse($cert['options']['ssl']['peer_certificate']);
if (empty($certinfo)) {
Logger::notice('Invalid certificate information', ['host' => $host]);
return false;
}
$valid_from = date(DATE_RFC2822,$certinfo['validFrom_time_t']);
$valid_to = date(DATE_RFC2822,$certinfo['validTo_time_t']);
if ($certinfo['validFrom_time_t'] > time()) {
Logger::notice('Certificate validity starts after current date', ['host' => $host, 'from' => $valid_from, 'to' => $valid_to]);
return false;
}
if ($certinfo['validTo_time_t'] < time()) {
Logger::notice('Certificate validity ends before current date', ['host' => $host, 'from' => $valid_from, 'to' => $valid_to]);
return false;
}
}
if (in_array(parse_url($url, PHP_URL_SCHEME), ['https', 'http'])) {
if (!ParseUrl::getContentType($url, HttpClientAccept::DEFAULT, $xrd_timeout)) {
Logger::notice('Url not reachable', ['host' => $host, 'url' => $url]);
return false;
}
}
return $url;
} }
/** /**
@ -95,7 +140,7 @@ class Network
$h = substr($addr, strpos($addr, '@') + 1); $h = substr($addr, strpos($addr, '@') + 1);
// Concerning the @ see here: https://stackoverflow.com/questions/36280957/dns-get-record-a-temporary-server-error-occurred // Concerning the @ see here: https://stackoverflow.com/questions/36280957/dns-get-record-a-temporary-server-error-occurred
if ($h && (@dns_get_record($h, DNS_A + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP))) { if ($h && (@dns_get_record($h, DNS_A + DNS_AAAA + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP))) {
return true; return true;
} }
if ($h && @dns_get_record($h, DNS_CNAME + DNS_MX)) { if ($h && @dns_get_record($h, DNS_CNAME + DNS_MX)) {

17
src/Util/ParseUrl.php
View file

@ -57,15 +57,22 @@ class ParseUrl
* Fetch the content type of the given url * Fetch the content type of the given url
* @param string $url URL of the page * @param string $url URL of the page
* @param string $accept content-type to accept * @param string $accept content-type to accept
* @param int $timeout
* @return array content type * @return array content type
*/ */
public static function getContentType(string $url, string $accept = HttpClientAccept::DEFAULT) public static function getContentType(string $url, string $accept = HttpClientAccept::DEFAULT, int $timeout = 0)
{ {
$curlResult = DI::httpClient()->head($url, [HttpClientOptions::ACCEPT_CONTENT => $accept]); if (!empty($timeout)) {
$options = [HttpClientOptions::TIMEOUT => $timeout];
} else {
$options = [];
}
// Workaround for systems that can't handle a HEAD request $curlResult = DI::httpClient()->head($url, array_merge([HttpClientOptions::ACCEPT_CONTENT => $accept], $options));
if (!$curlResult->isSuccess() && ($curlResult->getReturnCode() == 405)) {
$curlResult = DI::httpClient()->get($url, $accept, [HttpClientOptions::CONTENT_LENGTH => 1000000]); // Workaround for systems that can't handle a HEAD request. Don't retry on timeouts.
if (!$curlResult->isSuccess() && ($curlResult->getReturnCode() >= 400) && !in_array($curlResult->getReturnCode(), [408, 504])) {
$curlResult = DI::httpClient()->get($url, $accept, array_merge([HttpClientOptions::CONTENT_LENGTH => 1000000], $options));
} }
if (!$curlResult->isSuccess()) { if (!$curlResult->isSuccess()) {

143
static/generator.config.php Normal file
View file

@ -0,0 +1,143 @@
<?php
/**
* @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/>.
*
*/
$platforms = [
'AlphaChat' => 'alphachat',
'AV Arcade' => 'av-arcade',
'BaseKit' => 'basekit',
'BBEdit' => 'bbedit',
'Big Cartel' => 'big-cartel',
'blogger' => 'blogger',
'Bloom' => 'bloom',
'Bludit' => 'bludit',
'BunnyPress' => 'bunnypress',
'Contao Open Source CMS' => 'contao',
'castopod' => 'castopod',
'cgit' => 'cgit',
'Chevereto' => 'chevereto',
'ClanSphere' => 'clansphere',
'Claudia Content' => 'claudia-content',
'diaspora' => 'diaspora',
'DIMV' => 'dimv',
'Discourse' => 'discourse',
'Divi' => 'divi',
'Django-cypress' => 'django-cypress',
'Docutils' => 'docutils',
'DokuWiki' => 'dokuwiki',
'Drupal' => 'drupal',
'Element' => 'element',
'Eleventy' => 'eleventy',
'filerun' => 'filerun',
'FlatPress' => 'flatpress',
'Gatsby' => 'gatsby',
'gitweb' => 'gitweb',
'gnusocial' => 'gnusocial',
'GravCMS' => 'gravcms',
'grocy' => 'grocy',
'Gruta' => 'gruta',
'hakyll' => 'hakyll',
'HedgeDoc - Collaborative markdown notes' => 'hedgedoc',
'helloworld' => 'helloworld',
'Hexo' => 'hexo',
'honk' => 'honk',
'ian' => 'ian',
'InterRed' => 'interred',
'Ikiwiki' => 'ikiwiki',
'Joomla!' => 'joomla',
'KeyHelp' => 'keyhelp',
'KONTEXT-CMS (c) WARENFORM [www.warenform.net]' => 'kontext-cms',
'ktistec' => 'ktistec',
'LibreOffice' => 'libreoffice',
'Magazine News Byte' => 'magazine-news-byte',
'mastodon' => 'mastodon',
'Mattermost' => 'mattermost',
'MediaWiki' => 'mediawiki',
'Medium' => 'medium',
'microblog' => 'microblog',
'Misskey' => 'misskey',
'Mobirise' => 'mobirise',
'Movable Type Pro' => 'movable-type',
'Movim' => 'movim',
'MyArcadePlugin Pro' => 'my-arcade-plugin',
'Nanoc' => 'nanoc',
'nb3 system v1.6' => 'nb3',
'Nikola (getnikola.com)' => 'nikola',
'Odoo' => 'odoo',
'Org mode' => 'org-mode',
'Org-mode' => 'org-mode',
'Org Mode' => 'org-mode',
'orig4' => 'orig4',
'Osclass' => 'osclass',
'pamphlets/vinyl-press' => 'pamphlets',
'peertube' => 'peertube',
'phpMyFAQ' => 'phpmyfaq',
'Pelican' => 'pelican',
'pH7CMS,' => 'ph7cms',
'Polr' => 'polr',
'Publii Open-Source CMS for Static Site' => 'publii',
'pygruta' => 'pygruta',
'Riot' => 'riot',
'Satelito' => 'satelito',
'Scully' => 'scully',
'Sedo' => 'sedo',
'sitebaker' => 'sitebaker',
'SitePad' => 'sitepad',
'SPIP' => 'spip',
'STUDIO' => 'studio',
'Synology - Synology DiskStation' => 'synology',
'Thufie' => 'thufie',
'TiddlyWiki' => 'tiddlywiki',
'Typesetter CMS' => 'typesetter',
'TYPO3 CMS' => 'typo3',
'Tumblr' => 'tumblr',
'Typecho' => 'typecho',
'http://txt2tags.org' => 'txt2tags',
'UISP' => 'uisp',
'VuePress' => 'vuepress',
'webEdition CMS' => 'webedition',
'Webflow' => 'webflow',
'WikkaWiki' => 'wikkawiki',
'Wix.com' => 'wix.com',
'WordPress' => 'wordpress',
'WordPress.com' => 'wordpress',
'Write.as' => 'write.as',
'XAG/CMS' => 'xagcms',
'Zim' => 'zim',
];
$ap_platforms = [
'PeerTube' => 'peertube',
'Hugo' => 'hugo',
'lemoncurry' => 'lemoncurry',
'Ghost' => 'ghost',
'Jekyll' => 'jekyll',
'Known https://withknown.com' => 'known',
];
$dfrn_platforms = [
'Friendika' => 'friendika',
'Friendica' => 'friendica',
];
$zap_platforms = [
'hubzilla' => 'hubzilla',
'osada' => 'osada',
];