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Merge pull request #11742 from annando/server-detection

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Improved server detection
This commit is contained in:
Hypolite Petovan 2022-07-18 08:50:59 -04:00 • committed by GitHub
commit 42d411712b
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 760 additions and 347 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')) {
$contacts = $this->dba->select('apcontact', ['url'],
["`type` = ? AND `url` IN (SELECT `url` FROM `contact` WHERE `uid` = ? AND `rel` = ?)",
'Application', 0, Contact::FRIEND]);
["`type` IN (?, ?) AND `url` IN (SELECT `url` FROM `contact` WHERE `uid` = ? AND `rel` = ?)",
'Application', 'Service', 0, Contact::FRIEND]);
while ($contact = $this->dba->fetch($contacts)) {
$this->out($contact['url']);
}
@ -108,7 +108,7 @@ HELP;
$actor = $this->getArgument(1);
$apcontact = APContact::getByURL($actor);
if (empty($apcontact) || ($apcontact['type'] != 'Application')) {
if (empty($apcontact) || !in_array($apcontact['type'], ['Application', 'Service'])) {
$this->out($actor . ' is no relay actor');
return 1;
}

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

@ -25,9 +25,11 @@ use Friendica\Core\Logger;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Post;
use Friendica\Protocol\ActivityPub;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Strings;
/**
* 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

@ -165,6 +165,8 @@ class APContact
return $fetched_contact;
}
$url = $apcontact['url'];
} elseif (empty(parse_url($url, PHP_URL_PATH))) {
$apcontact['baseurl'] = $url;
}
// Detect multiple fast repeating request to the same address

844
src/Model/GServer.php
View file

@ -30,17 +30,21 @@ use Friendica\Core\System;
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 Friendica\Network\HTTPException;
use GuzzleHttp\Psr7\Uri;
/**
* This class handles GServer related functions
@ -58,6 +62,12 @@ class GServer
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;
@ -69,18 +79,21 @@ class GServer
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
*
* @param string $url
* @param boolean $only_nodeinfo
*
* @return void
*/
public static function add(string $url, bool $only_nodeinfo = false)
@ -97,9 +110,10 @@ class GServer
*
* @param string $url
* @param boolean $no_check Don't check if the server hadn't been found
*
* @return int|null gserver id or NULL on empty URL or failed check
*/
public static function getID(string $url, bool $no_check = false)
public static function getID(string $url, bool $no_check = false): ?int
{
if (empty($url)) {
return null;
@ -109,7 +123,7 @@ class GServer
$gserver = DBA::selectFirst('gserver', ['id'], ['nurl' => Strings::normaliseLink($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'];
}
@ -126,7 +140,9 @@ class GServer
* The pattern is a simple fnmatch() pattern with ? for single wildcard and * for multiple wildcard
*
* @param string $pattern
*
* @return array
*
* @throws Exception
*/
public static function listByDomainPattern(string $pattern): array
@ -173,11 +189,24 @@ class GServer
return self::check($server, $network, $force);
}
public static function getNextUpdateDate(bool $success, string $created = '', string $last_contact = ''): string
/**
* Calculate the next update day
*
* @param bool $success
* @param string $created
* @param string $last_contact
* @param bool $undetected
*
* @return string
*
* @throws Exception
*/
public static function getNextUpdateDate(bool $success, string $created = '', string $last_contact = '', bool $undetected = false): string
{
// On successful contact process check again next week
// On successful contact process check again next week when it is a detected system.
// When we haven't detected the system, it could be a static website or a really old system.
if ($success) {
return DateTimeFormat::utc('now +7 day');
return DateTimeFormat::utc($undetected ? 'now +1 month' : 'now +7 day');
}
$now = strtotime(DateTimeFormat::utcNow());
@ -269,8 +298,8 @@ class GServer
$gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($url)]);
if (DBA::isResult($gserver)) {
$next_update = self::getNextUpdateDate(false, $gserver['created'], $gserver['last_contact']);
self::update(['failed' => true, 'last_failure' => DateTimeFormat::utcNow(),
'next_contact' => $next_update, 'detection-method' => null],
self::update(['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;
@ -285,6 +314,7 @@ class GServer
* Remove unwanted content from the given URL
*
* @param string $url
*
* @return string cleaned URL
*/
public static function cleanURL(string $url): string
@ -297,20 +327,7 @@ class GServer
unset($urlparts['pass']);
unset($urlparts['query']);
unset($urlparts['fragment']);
return Network::unparseURL($urlparts);
}
/**
* Return the base URL
*
* @param string $url
* @return string base URL
*/
private static function getBaseURL(string $url): string
{
$urlparts = parse_url(self::cleanURL($url));
unset($urlparts['path']);
return Network::unparseURL($urlparts);
return (string)Uri::fromParts($urlparts);
}
/**
@ -326,184 +343,184 @@ class GServer
public static function detect(string $url, string $network = '', bool $only_nodeinfo = false): bool
{
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);
// If the URL missmatches, then we mark the old entry as failure
if ($url != $original_url) {
/// @todo What to do with "next_contact" here?
self::update(['failed' => true, 'last_failure' => DateTimeFormat::utcNow()],
['nurl' => Strings::normaliseLink($original_url)]);
$url = rtrim(self::cleanURL($url), '/');
if (empty($url)) {
Logger::notice('Empty URL.');
return false;
}
// If the URL missmatches, then we mark the old entry as failure
if (!Strings::compareLink($url, $original_url)) {
self::setFailure($original_url);
if (!self::getID($url, true)) {
self::detect($url, $network, $only_nodeinfo);
}
return false;
}
$valid_url = Network::isUrlValid($url);
if (!$valid_url) {
self::setFailure($url);
return false;
} else {
$valid_url = rtrim($valid_url, '/');
}
if (!Strings::compareLink($url, $valid_url)) {
// We only follow redirects when the path stays the same or the target url has no path.
// Some systems have got redirects on their landing page to a single account page. This check handles it.
if (((parse_url($url, PHP_URL_HOST) != parse_url($valid_url, PHP_URL_HOST)) && (parse_url($url, PHP_URL_PATH) == parse_url($valid_url, PHP_URL_PATH))) ||
(((parse_url($url, PHP_URL_HOST) != parse_url($valid_url, PHP_URL_HOST)) || (parse_url($url, PHP_URL_PATH) != parse_url($valid_url, PHP_URL_PATH))) && empty(parse_url($valid_url, PHP_URL_PATH)))) {
Logger::debug('Found redirect. Mark old entry as failure', ['old' => $url, 'new' => $valid_url]);
self::setFailure($url);
if (!self::getID($valid_url, true)) {
self::detect($valid_url, $network, $only_nodeinfo);
}
return false;
}
if ((parse_url($url, PHP_URL_HOST) != parse_url($valid_url, PHP_URL_HOST)) && (parse_url($url, PHP_URL_PATH) != parse_url($valid_url, PHP_URL_PATH)) &&
(parse_url($url, PHP_URL_PATH) == '')) {
Logger::debug('Found redirect. Mark old entry as failure and redirect to the basepath.', ['old' => $url, 'new' => $valid_url]);
$parts = parse_url($valid_url);
unset($parts['path']);
$valid_url = (string)Uri::fromParts($parts);
self::setFailure($url);
if (!self::getID($valid_url, true)) {
self::detect($valid_url, $network, $only_nodeinfo);
}
return false;
}
Logger::debug('Found redirect, but ignore it.', ['old' => $url, 'new' => $valid_url]);
}
if ((parse_url($url, PHP_URL_HOST) == parse_url($valid_url, PHP_URL_HOST)) &&
(parse_url($url, PHP_URL_PATH) == parse_url($valid_url, PHP_URL_PATH)) &&
(parse_url($url, PHP_URL_SCHEME) != parse_url($valid_url, PHP_URL_SCHEME))) {
$url = $valid_url;
}
$in_webroot = empty(parse_url($url, PHP_URL_PATH));
// 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]);
$curlResult = DI::httpClient()->get($url . '/.well-known/x-nodeinfo2', HttpClientAccept::JSON);
if ($curlResult->isTimeout()) {
self::setFailure($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);
return false;
}
$serverdata = self::parseNodeinfo210($curlResult);
if (empty($serverdata)) {
$curlResult = DI::httpClient()->get($url . '/.well-known/nodeinfo', HttpClientAccept::JSON);
$serverdata = self::fetchNodeinfo($url, $curlResult);
}
$nodeinfo = self::fetchNodeinfo($url, $curlResult);
if ($only_nodeinfo && empty($nodeinfo)) {
if ($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)) {
$serverdata = ['detection-method' => self::DETECT_MANUAL, 'network' => Protocol::PHANTOM, 'platform' => '', 'version' => '', 'site_name' => '', 'info' => ''];
}
// When nodeinfo isn't present, we use the older 'statistics.json' endpoint
if (empty($nodeinfo)) {
$nodeinfo = self::fetchStatistics($url);
}
// 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 = $serverdata;
// When there is no Nodeinfo, then use some protocol specific endpoints
if ($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($json) && is_array($json)) {
$data = self::fetchDataFromSystemActor($json, $serverdata);
$serverdata = $data['server'];
$systemactor = $data['actor'];
if (!$html_fetched && !in_array($serverdata['detection-method'], [self::DETECT_SYSTEM_ACTOR, self::DETECT_AP_COLLECTION])) {
$curlResult = DI::httpClient()->get($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 ($validHostMeta) {
if (in_array($serverdata['detection-method'], [self::DETECT_MANUAL, self::DETECT_HEADER, self::DETECT_BODY])) {
$serverdata['detection-method'] = self::DETECT_HOST_META;
}
if (empty($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, $serverdata);
}
// The following systems have to be installed in the root directory.
if ($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, $serverdata);
}
}
} elseif (in_array($serverdata['platform'], ['friendica', 'friendika']) && in_array($serverdata['detection-method'], array_merge(self::DETECT_UNSPECIFIC, [self::DETECT_SYSTEM_ACTOR]))) {
$serverdata = self::detectFriendica($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, $serverdata);
if (($serverdata['network'] == Protocol::PHANTOM) || in_array($serverdata['detection-method'], self::DETECT_UNSPECIFIC)) {
$serverdata = self::detectNextcloud($url, $serverdata, $validHostMeta);
}
// The 'siteinfo.json' doesn't seem to be present on older Hubzilla installations
if (empty($serverdata['network'])) {
$serverdata = self::detectHubzilla($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, $serverdata);
}
if (empty($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
@ -511,13 +528,35 @@ class GServer
$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($serverdata['network'], [Protocol::PHANTOM, Protocol::FEED])) {
// We have to prevent an endless loop here.
// When a server is new, then there is no gserver entry yet.
// But in "detectNetworkViaContacts" it could happen that a contact is updated,
// and this can call this function here as well.
if (self::getID($url, true) && (in_array($serverdata['network'], [Protocol::PHANTOM, Protocol::FEED]) ||
in_array($serverdata['detection-method'], [self::DETECT_MANUAL, self::DETECT_HEADER, self::DETECT_BODY, self::DETECT_HOST_META]))) {
$serverdata = self::detectNetworkViaContacts($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);
}
@ -531,12 +570,12 @@ class GServer
$serverdata['registered-users'] = 0;
}
$serverdata['next_contact'] = self::getNextUpdateDate(true);
$serverdata['next_contact'] = self::getNextUpdateDate(true, '', '', in_array($serverdata['network'], [Protocol::PHANTOM, Protocol::FEED]));
$serverdata['last_contact'] = DateTimeFormat::utcNow();
$serverdata['failed'] = false;
$gserver = DBA::selectFirst('gserver', ['network'], ['nurl' => $serverdata['nurl']]);
$gserver = DBA::selectFirst('gserver', ['network'], ['nurl' => Strings::normaliseLink($url)]);
if (!DBA::isResult($gserver)) {
$serverdata['created'] = DateTimeFormat::utcNow();
$ret = DBA::insert('gserver', $serverdata);
@ -576,10 +615,15 @@ class GServer
}
}
if (!empty($serverdata['network']) && in_array($serverdata['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
if (in_array($serverdata['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
self::discoverRelay($url);
}
if (!empty($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;
}
@ -587,7 +631,9 @@ class GServer
* Fetch relay data from a given server url
*
* @param string $server_url address of the server
*
* @return void
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function discoverRelay(string $server_url)
@ -684,23 +730,33 @@ class GServer
* Fetch server data from '/statistics.json' on the given server
*
* @param string $url URL of the given server
*
* @return array server data
*/
private static function fetchStatistics(string $url): array
private static function fetchStatistics(string $url, array $serverdata): array
{
$curlResult = DI::httpClient()->get($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'] = $data['version'];
// Version numbers on statistics.json are presented with additional info, e.g.:
// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
@ -708,10 +764,12 @@ class GServer
}
if (!empty($data['name'])) {
$valid = true;
$serverdata['site_name'] = $data['name'];
}
if (!empty($data['network'])) {
$valid = true;
$serverdata['platform'] = strtolower($data['network']);
if ($serverdata['platform'] == 'diaspora') {
@ -726,18 +784,22 @@ class GServer
}
if (!empty($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);
}
@ -747,6 +809,10 @@ class GServer
$serverdata['register_policy'] = Register::CLOSED;
}
if (!$valid) {
return $old_serverdata;
}
return $serverdata;
}
@ -757,6 +823,7 @@ class GServer
* @param ICanHandleHttpResponses $httpResult
*
* @return array Server data
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function fetchNodeinfo(string $url, ICanHandleHttpResponses $httpResult): array
@ -792,13 +859,11 @@ class GServer
$server = [];
// When the nodeinfo url isn't on the same host, then there is obviously something wrong
if (!empty($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);
}
@ -809,7 +874,9 @@ class GServer
* Parses Nodeinfo 1
*
* @param string $nodeinfo_url address of the nodeinfo path
*
* @return array Server data
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function parseNodeinfo1(string $nodeinfo_url): array
@ -894,6 +961,10 @@ class GServer
return [];
}
if (empty($server['network'])) {
$server['network'] = Protocol::PHANTOM;
}
return $server;
}
@ -901,8 +972,11 @@ class GServer
* Parses Nodeinfo 2
*
* @see https://git.feneas.org/jaywink/nodeinfo2
*
* @param string $nodeinfo_url address of the nodeinfo path
*
* @return array Server data
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function parseNodeinfo2(string $nodeinfo_url): array
@ -913,7 +987,6 @@ class GServer
}
$nodeinfo = json_decode($curlResult->getBody(), true);
if (!is_array($nodeinfo)) {
return [];
}
@ -928,12 +1001,12 @@ class GServer
$server['register_policy'] = Register::OPEN;
}
if (is_array($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'] = $nodeinfo['software']['version'];
// Version numbers on Nodeinfo are presented with additional info, e.g.:
// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
@ -997,6 +1070,111 @@ class GServer
return [];
}
if (empty($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 $httpResult): array
{
if (!$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;
}
@ -1005,6 +1183,7 @@ class GServer
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function fetchSiteinfo(string $url, array $serverdata): array
@ -1019,7 +1198,7 @@ class GServer
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;
}
@ -1084,10 +1263,58 @@ class GServer
return $serverdata;
}
/**
* Fetches server data via an ActivityPub account with url of that server
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*
* @throws Exception
*/
private static function fetchDataFromSystemActor(array $data, array $serverdata): array
{
if (empty($data)) {
return ['server' => $serverdata, 'actor' => ''];
}
$actor = JsonLD::compact($data, false);
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'])) {
$generator = explode(' ', JsonLD::fetchElement($actor['as:generator'], 'as:name', '@value'));
$serverdata['platform'] = strtolower(array_shift($generator));
$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
*
* @param string $url URL of the given server
*
* @return boolean 'true' if the server seems to be vital
*/
private static function validHostMeta(string $url): bool
@ -1133,19 +1360,22 @@ class GServer
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectNetworkViaContacts(string $url, array $serverdata): array
{
$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'];
}
@ -1157,9 +1387,14 @@ class GServer
$time = time();
foreach ($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
@ -1177,6 +1412,7 @@ class GServer
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function checkPoCo(string $url, array $serverdata): array
@ -1208,6 +1444,7 @@ class GServer
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
public static function checkMastodonDirectory(string $url, array $serverdata): array
@ -1268,7 +1505,7 @@ class GServer
}
}
if (in_array($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;
}
}
@ -1281,9 +1518,11 @@ class GServer
*
* @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): array
private static function detectNextcloud(string $url, array $serverdata, bool $validHostMeta): array
{
$curlResult = DI::httpClient()->get($url . '/status.php', HttpClientAccept::JSON);
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
@ -1298,9 +1537,12 @@ class GServer
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;
}
}
@ -1313,6 +1555,7 @@ class GServer
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function fetchWeeklyUsage(string $url, array $serverdata): array
@ -1347,38 +1590,12 @@ class GServer
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): array
{
$gserver = DBA::selectFirst('gserver', ['id'], ['nurl' => Strings::normaliseLink($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
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectMastodonAlikes(string $url, array $serverdata): array
@ -1393,23 +1610,23 @@ class GServer
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'])) {
@ -1423,16 +1640,23 @@ class GServer
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;
@ -1443,6 +1667,7 @@ class GServer
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectHubzilla(string $url, array $serverdata): array
@ -1508,8 +1733,7 @@ class GServer
$serverdata['register_policy'] = Register::CLOSED;
}
if (!empty($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;
}
@ -1520,6 +1744,7 @@ class GServer
* Converts input value to a boolean value
*
* @param string|integer $val
*
* @return boolean
*/
private static function toBoolean($val): bool
@ -1533,59 +1758,12 @@ class GServer
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): array
{
$curlResult = DI::httpClient()->get($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
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectGNUSocial(string $url, array $serverdata): array
@ -1601,7 +1779,7 @@ class GServer
$serverdata['version'] = trim($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;
}
@ -1627,7 +1805,7 @@ class GServer
$serverdata['network'] = Protocol::OSTATUS;
}
if (in_array($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;
}
}
@ -1640,6 +1818,7 @@ class GServer
*
* @param string $url URL of the given server
* @param array $serverdata array with server data
*
* @return array server data
*/
private static function detectFriendica(string $url, array $serverdata): array
@ -1665,7 +1844,7 @@ class GServer
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;
}
@ -1714,22 +1893,34 @@ class GServer
*
* @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 $url): array
private static function analyseRootBody($curlResult, array $serverdata): array
{
if (empty($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/platforms.config.php')) {
require __DIR__ . '/../../static/platforms.config.php';
} else {
throw new HTTPException\InternalServerErrorException('Invalid platform file');
}
$platforms = array_merge($ap_platforms, $dfrn_platforms, $zap_platforms, $platforms);
$doc = new DOMDocument();
@$doc->loadHTML($curlResult->getBody());
$xpath = new DOMXPath($doc);
$assigned = false;
// We can only detect honk via some HTML element on their page
if ($xpath->query('//div[@id="honksonpage"]')->count() == 1) {
$serverdata['platform'] = 'honk';
$serverdata['network'] = Protocol::ACTIVITYPUB;
$assigned = true;
}
$title = trim(XML::getFirstNodeValue($xpath, '//head/title/text()'));
if (!empty($title)) {
@ -1760,34 +1951,24 @@ class GServer
}
if (in_array($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;
'twitter:app:name:googleplay', 'twitter:app:name:iphone', 'twitter:app:name:ipad', 'generator'])) {
$platform = str_ireplace(array_keys($platforms), array_values($platforms), $attr['content']);
$platform = str_replace('/', ' ', $platform);
$platform_parts = explode(' ', $platform);
if ((count($platform_parts) >= 2) && in_array(strtolower($platform_parts[0]), array_values($platforms))) {
$platform = $platform_parts[0];
$serverdata['version'] = $platform_parts[1];
}
}
if (($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];
// 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];
$serverdata['network'] = Protocol::DFRN;
}
if (in_array($platform, array_values($dfrn_platforms))) {
$serverdata['network'] = Protocol::DFRN;
} elseif (in_array($platform, array_values($ap_platforms))) {
$serverdata['network'] = Protocol::ACTIVITYPUB;
} elseif (in_array($platform, array_values($zap_platforms))) {
$serverdata['network'] = Protocol::ZOT;
}
if (in_array($platform, array_values($platforms))) {
$serverdata['platform'] = $platform;
$assigned = true;
}
}
}
@ -1819,29 +2000,47 @@ class GServer
$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']];
$assigned = true;
}
}
if ($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)) {
$list = $xpath->query('//link[@rel="me"]');
foreach ($list as $node) {
foreach ($node->attributes as $attribute) {
if (parse_url(trim($attribute->value), PHP_URL_HOST) == 'micro.blog') {
$serverdata['version'] = trim($serverdata['platform'] . ' ' . $serverdata['version']);
$serverdata['platform'] = 'microblog';
$serverdata['network'] = Protocol::ACTIVITYPUB;
$assigned = true;
}
}
}
if ($serverdata['platform'] != 'microblog') {
$list = $xpath->query('//link[@rel="micropub"]');
foreach ($list as $node) {
foreach ($node->attributes as $attribute) {
if (trim($attribute->value) == 'https://micro.blog/micropub') {
$serverdata['version'] = trim($serverdata['platform'] . ' ' . $serverdata['version']);
$serverdata['platform'] = 'microblog';
$serverdata['network'] = Protocol::ACTIVITYPUB;
$assigned = true;
}
}
}
}
if ($assigned && in_array($serverdata['detection-method'], [self::DETECT_MANUAL, self::DETECT_HEADER])) {
$serverdata['detection-method'] = self::DETECT_BODY;
}
@ -1880,19 +2079,6 @@ class GServer
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
*/
@ -1988,7 +2174,7 @@ class GServer
*
* @param int $gsid Server id
* @param int $protocol Protocol id
* @return void
*
* @throws Exception
*/
public static function setProtocol(int $gsid, int $protocol)
@ -2048,7 +2234,9 @@ class GServer
* Fetch the protocol of the given server
*
* @param int $gsid Server id
*
* @return ?int One of Post\DeliveryData protocol constants or null if unknown or gserver is missing
*
* @throws Exception
*/
public static function getProtocol(int $gsid): ?int
@ -2070,7 +2258,9 @@ class GServer
*
* @param array $fields
* @param array $condition
*
* @return bool
*
* @throws Exception
*/
public static function update(array $fields, array $condition): bool

10
src/Module/Admin/Federation.php
View file

@ -40,14 +40,17 @@ class Federation extends BaseAdmin
'friendica' => ['name' => 'Friendica', 'color' => '#ffc018'], // orange from the logo
'birdsitelive' => ['name' => 'BirdsiteLIVE', 'color' => '#1b6ec2'], // 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
'funkwhale' => ['name' => 'Funkwhale', 'color' => '#4082B4'], // From the homepage
'gnusocial' => ['name' => 'GNU Social/Statusnet', 'color' => '#a22430'], // dark red from the logo
'gotosocial' => ['name' => 'GoToSocial', 'color' => '#df8958'], // Some color from their mascot
'hometown' => ['name' => 'Hometown', 'color' => '#1f70c1'], // Color from the Patreon page
'honk' => ['name' => 'Honk', 'color' => '##0d0d0d'], // Background color from the page
'hubzilla' => ['name' => 'Hubzilla/Red Matrix', 'color' => '#43488a'], // blue from the logo
'lemmy' => ['name' => 'Lemmy', 'color' => '#00c853'], // Green from the page
'mastodon' => ['name' => 'Mastodon', 'color' => '#1a9df9'], // blue from the Mastodon logo
'microblog' => ['name' => 'Microblog', 'color' => '#fdb52b'], // Color from the page
'misskey' => ['name' => 'Misskey', 'color' => '#ccfefd'], // Font color of the homepage
'mobilizon' => ['name' => 'Mobilizon', 'color' => '#ffd599'], // Background color of parts of the homepage
'nextcloud' => ['name' => 'Nextcloud', 'color' => '#1cafff'], // Logo color
@ -83,7 +86,8 @@ class Federation extends BaseAdmin
SUM(IFNULL(`active-month-users`, `active-week-users`)) AS `month`,
SUM(IFNULL(`active-halfyear-users`, `active-week-users`)) AS `halfyear`, `platform`,
ANY_VALUE(`network`) AS `network`, MAX(`version`) AS `version`
FROM `gserver` WHERE NOT `failed` AND `detection-method` != ? AND NOT `network` IN (?, ?) GROUP BY `platform`", GServer::DETECT_MANUAL, Protocol::PHANTOM, Protocol::FEED);
FROM `gserver` WHERE NOT `failed` AND `platform` != ? AND `detection-method` != ? AND NOT `network` IN (?, ?) GROUP BY `platform`",
'', GServer::DETECT_MANUAL, Protocol::PHANTOM, Protocol::FEED);
while ($gserver = DBA::fetch($gservers)) {
$total += $gserver['total'];
$users += $gserver['users'];
@ -100,7 +104,7 @@ class Federation extends BaseAdmin
if (in_array($gserver['platform'], ['Red Matrix', 'redmatrix', 'red'])) {
$version['version'] = 'Red ' . $version['version'];
} elseif (in_array($gserver['platform'], ['osada', 'mistpark', 'roadhouse', 'zap'])) {
} elseif (in_array($gserver['platform'], ['osada', 'mistpark', 'roadhouse', 'zap', 'macgirvin', 'mkultra'])) {
$version['version'] = $gserver['platform'] . ' ' . $version['version'];
} elseif (in_array($gserver['platform'], ['activityrelay', 'pub-relay', 'selective-relay', 'aoderelay'])) {
$version['version'] = $gserver['platform'] . '-' . $version['version'];
@ -116,7 +120,7 @@ class Federation extends BaseAdmin
$platform = 'friendica';
} elseif (in_array($platform, ['red matrix', 'redmatrix', 'red'])) {
$platform = 'hubzilla';
} elseif (in_array($platform, ['mistpark', 'osada', 'roadhouse', 'zap'])) {
} elseif (in_array($platform, ['osada', 'mistpark', 'roadhouse', 'zap', 'macgirvin', 'mkultra'])) {
$platform = 'mistpark';
} elseif(stristr($platform, 'pleroma')) {
$platform = 'pleroma';

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\System;
use Friendica\Database\DBA;
use Friendica\Model\GServer;
use Friendica\Module\BaseApi;
use Friendica\Network\HTTPException;
use Friendica\Util\Network;
@ -41,7 +42,9 @@ class Peers extends BaseApi
$return = [];
// 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)) {
$urldata = parse_url($instance['url']);
unset($urldata['scheme']);

11
src/Network/HTTPClient/Client/HttpClient.php
View file

@ -68,6 +68,13 @@ class HttpClient implements ICanSendHttpRequests
$this->profiler->startRecording('network');
$this->logger->debug('Request start.', ['url' => $url, 'method' => $method]);
$host = parse_url($url, PHP_URL_HOST);
if(!filter_var($host, FILTER_VALIDATE_IP) && !@dns_get_record($host . '.', DNS_A + DNS_AAAA)) {
$this->logger->debug('URL cannot be resolved.', ['url' => $url, 'callstack' => System::callstack(20)]);
$this->profiler->stopRecording();
return CurlResult::createErrorCurl($url);
}
if (Network::isLocalLink($url)) {
$this->logger->info('Local link', ['url' => $url, 'callstack' => System::callstack(20)]);
}
@ -125,6 +132,10 @@ class HttpClient implements ICanSendHttpRequests
$conf[RequestOptions::TIMEOUT] = $opts[HttpClientOptions::TIMEOUT];
}
if (isset($opts[HttpClientOptions::VERIFY])) {
$conf[RequestOptions::VERIFY] = $opts[HttpClientOptions::VERIFY];
}
if (!empty($opts[HttpClientOptions::BODY])) {
$conf[RequestOptions::BODY] = $opts[HttpClientOptions::BODY];
}

6
src/Network/HTTPClient/Client/HttpClientOptions.php
View file

@ -52,6 +52,12 @@ class HttpClientOptions
* content_length: (int) maximum File content length
*/
const CONTENT_LENGTH = 'content_length';
/**
* verify: (bool|string, default=true) Describes the SSL certificate
*/
const VERIFY = 'verify';
/**
* body: (mixed) Setting the body for sending data
*/

4
src/Network/HTTPClient/Response/CurlResult.php
View file

@ -167,6 +167,10 @@ class CurlResult implements ICanHandleHttpResponses
$this->isSuccess = false;
}
if (empty($this->returnCode) && empty($this->header) && empty($this->body)) {
$this->isSuccess = false;
}
if (!$this->isSuccess) {
Logger::debug('debug', ['info' => $this->info]);
}

31
src/Util/Network.php
View file

@ -25,6 +25,8 @@ use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Network\HTTPClient\Client\HttpClientAccept;
use Friendica\Network\HTTPClient\Client\HttpClientOptions;
use Friendica\Network\HTTPException\NotModifiedException;
use GuzzleHttp\Psr7\Uri;
@ -66,14 +68,31 @@ class Network
$url = 'http://' . $url;
}
/// @TODO Really suppress function outcomes? Why not find them + debug them?
$h = @parse_url($url);
$xrd_timeout = DI::config()->get('system', 'xrd_timeout');
$host = parse_url($url, PHP_URL_HOST);
if (!empty($h['host']) && (@dns_get_record($h['host'], DNS_A + DNS_CNAME) || filter_var($h['host'], FILTER_VALIDATE_IP))) {
return $url;
if (empty($host) || !(filter_var($host, FILTER_VALIDATE_IP) || @dns_get_record($host . '.', DNS_A + DNS_AAAA))) {
return false;
}
return false;
if (in_array(parse_url($url, PHP_URL_SCHEME), ['https', 'http'])) {
$options = [HttpClientOptions::VERIFY => true, HttpClientOptions::TIMEOUT => $xrd_timeout];
$curlResult = DI::httpClient()->head($url, $options);
// Workaround for systems that can't handle a HEAD request. Don't retry on timeouts.
if (!$curlResult->isSuccess() && ($curlResult->getReturnCode() >= 400) && !in_array($curlResult->getReturnCode(), [408, 504])) {
$curlResult = DI::httpClient()->get($url, HttpClientAccept::DEFAULT, $options);
}
if (!$curlResult->isSuccess()) {
Logger::notice('Url not reachable', ['host' => $host, 'url' => $url]);
return false;
} elseif ($curlResult->isRedirectUrl()) {
$url = $curlResult->getRedirectUrl();
}
}
return $url;
}
/**
@ -95,7 +114,7 @@ class Network
$h = substr($addr, strpos($addr, '@') + 1);
// Concerning the @ see here: https://stackoverflow.com/questions/36280957/dns-get-record-a-temporary-server-error-occurred
if ($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($h, FILTER_VALIDATE_IP))) {
return true;
}
if ($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
* @param string $url URL of the page
* @param string $accept content-type to accept
* @param int $timeout
* @return array content type
*/
public static function getContentType(string $url, string $accept = HttpClientAccept::DEFAULT): array
public static function getContentType(string $url, string $accept = HttpClientAccept::DEFAULT, int $timeout = 0): array
{
$curlResult = DI::httpClient()->head($url, [HttpClientOptions::ACCEPT_CONTENT => $accept]);
if (!empty($timeout)) {
$options = [HttpClientOptions::TIMEOUT => $timeout];
} else {
$options = [];
}
// Workaround for systems that can't handle a HEAD request
if (!$curlResult->isSuccess() && ($curlResult->getReturnCode() == 405)) {
$curlResult = DI::httpClient()->get($url, $accept, [HttpClientOptions::CONTENT_LENGTH => 1000000]);
$curlResult = DI::httpClient()->head($url, array_merge([HttpClientOptions::ACCEPT_CONTENT => $accept], $options));
// Workaround for systems that can't handle a HEAD request. Don't retry on timeouts.
if (!$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()) {

145
static/platforms.config.php Normal file
View file

@ -0,0 +1,145 @@
<?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',
'Ghost' => 'ghost',
'gitweb' => 'gitweb',
'gnusocial' => 'gnusocial',
'Government Site Builder' => 'government-site-builder',
'GravCMS' => 'gravcms',
'grocy' => 'grocy',
'Gruta' => 'gruta',
'hakyll' => 'hakyll',
'HedgeDoc - Collaborative markdown notes' => 'hedgedoc',
'Hello, world. https://github.com/mimecuvalo/helloworld' => 'helloworld',
'Hexo' => 'hexo',
'Hugo' => 'hugo',
'ian' => 'ian',
'InterRed' => 'interred',
'Ikiwiki' => 'ikiwiki',
'Jekyll' => 'jekyll',
'Joomla!' => 'joomla',
'KeyHelp' => 'keyhelp',
'Known https://withknown.com' => 'known',
'KONTEXT-CMS (c) WARENFORM [www.warenform.net]' => 'kontext-cms',
'ktistec' => 'ktistec',
'lemoncurry' => 'lemoncurry',
'LibreOffice' => 'libreoffice',
'Magazine News Byte' => 'magazine-news-byte',
'Magnet' => 'magnet',
'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',
'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',
'SMAR' => 'smar',
'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.com' => 'wordpress',
'WordPress' => 'wordpress',
'Write.as' => 'write.as',
'XAG/CMS' => 'xagcms',
'Zim' => 'zim',
];
$ap_platforms = [
'honk' => 'honk',
'PeerTube' => 'peertube',
];
$dfrn_platforms = [
'Friendika' => 'friendika',
'Friendica' => 'friendica',
];
$zap_platforms = [
'hubzilla' => 'hubzilla',
'osada' => 'osada',
];