diff --git a/src/Model/GServer.php b/src/Model/GServer.php index 28c0007b9..b86b5506c 100644 --- a/src/Model/GServer.php +++ b/src/Model/GServer.php @@ -130,27 +130,38 @@ class GServer } // If that didn't work out well, we use some protocol specific endpoints - if (empty($nodeinfo) || empty($nodeinfo['network']) || ($nodeinfo['network'] == Protocol::DFRN)) { + // For Friendica and Zot based networks we have to dive deeper to reveal more details + if (empty($nodeinfo['network']) || in_array($nodeinfo['network'], [Protocol::DFRN, Protocol::ZOT])) { // Fetch the landing page, possibly it reveals some data - $curlResult = Network::curl($url, false, ['timeout' => $xrd_timeout]); - if ($curlResult->isSuccess()) { - $serverdata = self::analyseRootHeader($curlResult, $serverdata); - $serverdata = self::analyseRootBody($curlResult, $serverdata); - } + if (empty($nodeinfo['network'])) { + $curlResult = Network::curl($url, false, ['timeout' => $xrd_timeout]); + if ($curlResult->isSuccess()) { + $serverdata = self::analyseRootHeader($curlResult, $serverdata); + $serverdata = self::analyseRootBody($curlResult, $serverdata, $url); + } - if (!$curlResult->isSuccess() || empty($curlResult->getBody())) { - DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]); - return false; - } - - if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::DFRN)) { - $serverdata = self::detectFriendica($url, $serverdata); + if (!$curlResult->isSuccess() || empty($curlResult->getBody())) { + DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]); + return false; + } } if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::ACTIVITYPUB)) { $serverdata = self::detectMastodonAlikes($url, $serverdata); } + // All following checks are done for systems that always have got a "host-meta" endpoint. + // With this check we don't have to waste time and ressources for dead systems. + // Also this hopefully prevents us from receiving abuse messages. + if (empty($serverdata['network']) && !self::validHostMeta($url)) { + DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]); + return false; + } + + if (empty($serverdata['network']) || in_array($serverdata['network'], [Protocol::DFRN, Protocol::ACTIVITYPUB])) { + $serverdata = self::detectFriendica($url, $serverdata); + } + // the 'siteinfo.json' is some specific endpoint of Hubzilla and Red if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::ZOT)) { $serverdata = self::fetchSiteinfo($url, $serverdata); @@ -184,14 +195,6 @@ class GServer $serverdata['network'] = $network; } - // Check host-meta for phantom networks. - // Although this is not needed, it is a good indicator for a living system, - // since most systems had implemented it. - if (($serverdata['network'] == Protocol::PHANTOM) && !self::validHostMeta($url)) { - DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]); - return false; - } - $serverdata['url'] = $url; $serverdata['nurl'] = Strings::normaliseLink($url); @@ -660,11 +663,16 @@ class GServer $valid = false; foreach ($elements['xrd']['link'] as $link) { - if (empty($link['rel']) || empty($link['type']) || empty($link['template'])) { + // When there is more than a single "link" element, the array looks slightly different + if (!empty($link['@attributes'])) { + $link = $link['@attributes']; + } + + if (empty($link['rel']) || empty($link['template'])) { continue; } - if ($link['type'] == 'application/xrd+xml') { + if ($link['rel'] == 'lrdd') { // When the webfinger host is the same like the system host, it should be ok. $valid = (parse_url($url, PHP_URL_HOST) == parse_url($link['template'], PHP_URL_HOST)); } @@ -683,7 +691,7 @@ class GServer */ private static function detectNetworkViaContacts(string $url, array $serverdata) { - $contacts = ''; + $contacts = []; $gcontacts = DBA::select('gcontact', ['url', 'nurl'], ['server_url' => [$url, $serverdata['nurl']]]); while ($gcontact = DBA::fetch($gcontacts)) { @@ -937,27 +945,27 @@ class GServer */ private static function detectGNUSocial(string $url, array $serverdata) { - $curlResult = Network::curl($url . '/api/statusnet/version.json'); - - if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') && - ($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) { - $serverdata['platform'] = 'StatusNet'; - // Remove junk that some GNU Social servers return - $serverdata['version'] = str_replace(chr(239).chr(187).chr(191), '', $curlResult->getBody()); - $serverdata['version'] = trim($serverdata['version'], '"'); - $serverdata['network'] = Protocol::OSTATUS; - } - // Test for GNU Social $curlResult = Network::curl($url . '/api/gnusocial/version.json'); - if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') && ($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) { - $serverdata['platform'] = 'GNU Social'; + $serverdata['platform'] = 'gnusocial'; // Remove junk that some GNU Social servers return $serverdata['version'] = str_replace(chr(239) . chr(187) . chr(191), '', $curlResult->getBody()); $serverdata['version'] = trim($serverdata['version'], '"'); $serverdata['network'] = Protocol::OSTATUS; + return $serverdata; + } + + // Test for Statusnet + $curlResult = Network::curl($url . '/api/statusnet/version.json'); + if ($curlResult->isSuccess() && ($curlResult->getBody() != '{"error":"not implemented"}') && + ($curlResult->getBody() != '') && (strlen($curlResult->getBody()) < 30)) { + $serverdata['platform'] = 'statusnet'; + // Remove junk that some GNU Social servers return + $serverdata['version'] = str_replace(chr(239).chr(187).chr(191), '', $curlResult->getBody()); + $serverdata['version'] = trim($serverdata['version'], '"'); + $serverdata['network'] = Protocol::OSTATUS; } return $serverdata; @@ -1032,10 +1040,11 @@ 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 $serverdata) + private static function analyseRootBody($curlResult, array $serverdata, string $url) { $doc = new DOMDocument(); @$doc->loadHTML($curlResult->getBody()); @@ -1085,7 +1094,13 @@ class GServer if (in_array($version_part[0], ['WordPress'])) { $serverdata['platform'] = $version_part[0]; $serverdata['version'] = $version_part[1]; - $serverdata['network'] = Protocol::ACTIVITYPUB; + + // We still do need a reliable test if some AP plugin is activated + if (DBA::exists('apcontact', ['baseurl' => $url])) { + $serverdata['network'] = Protocol::ACTIVITYPUB; + } else { + $serverdata['network'] = Protocol::FEED; + } } if (in_array($version_part[0], ['Friendika', 'Friendica'])) { $serverdata['platform'] = $version_part[0];