/**
* @file src/Model/GServer.php
- * @brief This file includes the GServer class to handle with servers
+ * This file includes the GServer class to handle with servers
*/
namespace Friendica\Model;
use Friendica\Util\Strings;
use Friendica\Util\XML;
use Friendica\Core\Logger;
-
-/*
-use Exception;
-use Friendica\Core\System;
-use Friendica\Core\Worker;
-use Friendica\Network\Probe;
use Friendica\Protocol\PortableContact;
-*/
+use Friendica\Protocol\Diaspora;
+use Friendica\Network\Probe;
+
/**
- * @brief This class handles GServer related functions
+ * This class handles GServer related functions
*/
class GServer
{
/**
- * Detect server type
+ * Checks if the given server is reachable
*
- * @param string $url Server url
- * @param boolean $force Force update
+ * @param string $profile URL of the given profile
+ * @param string $server URL of the given server (If empty, taken from profile)
+ * @param string $network Network value that is used, when detection failed
+ * @param boolean $force Force an update.
*
- * @return boolean 'true' if server could be detected
+ * @return boolean 'true' if server seems vital
+ */
+ public static function reachable(string $profile, string $server = '', string $network = '', bool $force = false)
+ {
+ if ($server == '') {
+ $server = Contact::getBasepath($profile);
+ }
+
+ if ($server == '') {
+ return true;
+ }
+
+ return self::check($server, $network, $force);
+ }
+
+ /**
+ * Checks the state of the given server.
+ *
+ * @param string $server_url URL of the given server
+ * @param string $network Network value that is used, when detection failed
+ * @param boolean $force Force an update.
+ *
+ * @return boolean 'true' if server seems vital
*/
- public static function detect($url, $force = false)
+ public static function check(string $server_url, string $network = '', bool $force = false)
{
- /// @Todo:
- // - Update Check
- // - poco endpoint
- // - Pleroma version number
+ // Unify the server address
+ $server_url = trim($server_url, '/');
+ $server_url = str_replace('/index.php', '', $server_url);
+
+ if ($server_url == '') {
+ return false;
+ }
+
+ $gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($server_url)]);
+ if (DBA::isResult($gserver)) {
+ if ($gserver['created'] <= DBA::NULL_DATETIME) {
+ $fields = ['created' => DateTimeFormat::utcNow()];
+ $condition = ['nurl' => Strings::normaliseLink($server_url)];
+ DBA::update('gserver', $fields, $condition);
+ }
+
+ $last_contact = $gserver['last_contact'];
+ $last_failure = $gserver['last_failure'];
+
+ // See discussion under https://forum.friendi.ca/display/0b6b25a8135aabc37a5a0f5684081633
+ // It can happen that a zero date is in the database, but storing it again is forbidden.
+ if ($last_contact < DBA::NULL_DATETIME) {
+ $last_contact = DBA::NULL_DATETIME;
+ }
+
+ if ($last_failure < DBA::NULL_DATETIME) {
+ $last_failure = DBA::NULL_DATETIME;
+ }
+
+ if (!$force && !PortableContact::updateNeeded($gserver['created'], '', $last_failure, $last_contact)) {
+ Logger::info('No update needed', ['server' => $server_url]);
+ return ($last_contact >= $last_failure);
+ }
+ Logger::info('Server is outdated. Start discovery.', ['Server' => $server_url, 'Force' => $force, 'Created' => $gserver['created'], 'Failure' => $last_failure, 'Contact' => $last_contact]);
+ } else {
+ Logger::info('Server is unknown. Start discovery.', ['Server' => $server_url]);
+ }
-// $gserver = DBA::selectFirst('gserver', [], ['nurl' => Strings::normaliseLink($url)]);
+ return self::detect($server_url, $network);
+ }
+
+ /**
+ * Detect server data (type, protocol, version number, ...)
+ * The detected data is then updated or inserted in the gserver table.
+ *
+ * @param string $url URL of the given server
+ * @param string $network Network value that is used, when detection failed
+ *
+ * @return boolean 'true' if server could be detected
+ */
+ public static function detect(string $url, string $network = '')
+ {
$serverdata = [];
// When a nodeinfo is present, we don't need to dig further
$nodeinfo = self::fetchNodeinfo($url, $curlResult);
+ // When nodeinfo isn't present, we use the older 'statistics.json' endpoint
if (empty($nodeinfo)) {
$nodeinfo = self::fetchStatistics($url);
}
- if (empty($nodeinfo) || ($nodeinfo['network'] == Protocol::DFRN)) {
+ // 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])) {
// 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::ACTIVITYPUB)) {
+ $serverdata = self::detectMastodonAlikes($url, $serverdata);
}
- if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
+ // All following checks are done for systems that always have got a "host-meta" endpoint.
+ // With this check we don't have to waste time and ressources for dead systems.
+ // Also this hopefully prevents us from receiving abuse messages.
+ if (empty($serverdata['network']) && !self::validHostMeta($url)) {
DBA::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => Strings::normaliseLink($url)]);
return false;
}
- if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::DFRN)) {
+ if (empty($serverdata['network']) || in_array($serverdata['network'], [Protocol::DFRN, Protocol::ACTIVITYPUB])) {
$serverdata = self::detectFriendica($url, $serverdata);
}
- if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::ACTIVITYPUB)) {
- $serverdata = self::detectMastodonAlikes($url, $serverdata);
- }
-
// the 'siteinfo.json' is some specific endpoint of Hubzilla and Red
if (empty($serverdata['network']) || ($serverdata['network'] == Protocol::ZOT)) {
$serverdata = self::fetchSiteinfo($url, $serverdata);
}
+ // The 'siteinfo.json' doesn't seem to be present on older Hubzilla installations
if (empty($serverdata['network'])) {
$serverdata = self::detectHubzilla($url, $serverdata);
}
$serverdata = $nodeinfo;
}
+ $serverdata = self::checkPoCo($url, $serverdata);
+
// We can't detect the network type. Possibly it is some system that we don't know yet
if (empty($serverdata['network'])) {
$serverdata['network'] = Protocol::PHANTOM;
}
+ // When we hadn't been able to detect the network type, we use the hint from the parameter
+ if (($serverdata['network'] == Protocol::PHANTOM) && !empty($network)) {
+ $serverdata['network'] = $network;
+ }
+
$serverdata['url'] = $url;
$serverdata['nurl'] = Strings::normaliseLink($url);
- // When we don't have the registered users, we simply count what we know
- if (empty($serverdata['registered-users'])) {
+ // We take the highest number that we do find
+ $registeredUsers = $serverdata['registered-users'] ?? 0;
+
+ // On an active server there has to be at least a single user
+ if (($serverdata['network'] != Protocol::PHANTOM) && ($registeredUsers == 0)) {
+ $registeredUsers = 1;
+ }
+
+ if ($serverdata['network'] != Protocol::PHANTOM) {
$gcontacts = DBA::count('gcontact', ['server_url' => [$url, $serverdata['nurl']]]);
$apcontacts = DBA::count('apcontact', ['baseurl' => [$url, $serverdata['nurl']]]);
$contacts = DBA::count('contact', ['uid' => 0, 'baseurl' => [$url, $serverdata['nurl']]]);
- $serverdata['registered-users'] = max($gcontacts, $apcontacts, $contacts);
+ $serverdata['registered-users'] = max($gcontacts, $apcontacts, $contacts, $registeredUsers);
+ } else {
+ $serverdata['registered-users'] = $registeredUsers;
+ $serverdata = self::detectNetworkViaContacts($url, $serverdata);
}
- $fields = array_keys($serverdata);
- $old_data = DBA::selectFirst('gserver', $fields, ['nurl' => Strings::normaliseLink($url)]);
- if (!DBA::isResult($old_data)) {
-die('Möööp');
+ $serverdata['last_contact'] = DateTimeFormat::utcNow();
+
+ $gserver = DBA::selectFirst('gserver', ['network'], ['nurl' => Strings::normaliseLink($url)]);
+ if (!DBA::isResult($gserver)) {
$serverdata['created'] = DateTimeFormat::utcNow();
- DBA::insert('gserver', $serverdata);
+ $ret = DBA::insert('gserver', $serverdata);
} else {
- $serverdata['last_contact'] = DateTimeFormat::utcNow();
- DBA::update('gserver', $serverdata, ['nurl' => $serverdata['nurl']], $old_data);
+ // Don't override the network with 'unknown' when there had been a valid entry before
+ if (($serverdata['network'] == Protocol::PHANTOM) && !empty($gserver['network'])) {
+ unset($serverdata['network']);
+ }
+
+ $ret = DBA::update('gserver', $serverdata, ['nurl' => $serverdata['nurl']]);
}
- return $serverdata;
+ if (!empty($serverdata['network']) && in_array($serverdata['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
+ self::discoverRelay($url);
+ }
+
+ return $ret;
+ }
+
+ /**
+ * Fetch relay data from a given server url
+ *
+ * @param string $server_url address of the server
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ private static function discoverRelay(string $server_url)
+ {
+ Logger::info('Discover relay data', ['server' => $server_url]);
+
+ $curlResult = Network::curl($server_url . '/.well-known/x-social-relay');
+ if (!$curlResult->isSuccess()) {
+ return;
+ }
+
+ $data = json_decode($curlResult->getBody(), true);
+ if (!is_array($data)) {
+ return;
+ }
+
+ $gserver = DBA::selectFirst('gserver', ['id', 'relay-subscribe', 'relay-scope'], ['nurl' => Strings::normaliseLink($server_url)]);
+ if (!DBA::isResult($gserver)) {
+ return;
+ }
+
+ if (($gserver['relay-subscribe'] != $data['subscribe']) || ($gserver['relay-scope'] != $data['scope'])) {
+ $fields = ['relay-subscribe' => $data['subscribe'], 'relay-scope' => $data['scope']];
+ DBA::update('gserver', $fields, ['id' => $gserver['id']]);
+ }
+
+ DBA::delete('gserver-tag', ['gserver-id' => $gserver['id']]);
+
+ if ($data['scope'] == 'tags') {
+ // Avoid duplicates
+ $tags = [];
+ foreach ($data['tags'] as $tag) {
+ $tag = mb_strtolower($tag);
+ if (strlen($tag) < 100) {
+ $tags[$tag] = $tag;
+ }
+ }
+
+ foreach ($tags as $tag) {
+ DBA::insert('gserver-tag', ['gserver-id' => $gserver['id'], 'tag' => $tag], true);
+ }
+ }
+
+ // Create or update the relay contact
+ $fields = [];
+ if (isset($data['protocols'])) {
+ if (isset($data['protocols']['diaspora'])) {
+ $fields['network'] = Protocol::DIASPORA;
+
+ if (isset($data['protocols']['diaspora']['receive'])) {
+ $fields['batch'] = $data['protocols']['diaspora']['receive'];
+ } elseif (is_string($data['protocols']['diaspora'])) {
+ $fields['batch'] = $data['protocols']['diaspora'];
+ }
+ }
+
+ if (isset($data['protocols']['dfrn'])) {
+ $fields['network'] = Protocol::DFRN;
+
+ if (isset($data['protocols']['dfrn']['receive'])) {
+ $fields['batch'] = $data['protocols']['dfrn']['receive'];
+ } elseif (is_string($data['protocols']['dfrn'])) {
+ $fields['batch'] = $data['protocols']['dfrn'];
+ }
+ }
+ }
+ Diaspora::setRelayContact($server_url, $fields);
}
- private static function fetchStatistics($url)
+ /**
+ * Fetch server data from '/statistics.json' on the given server
+ *
+ * @param string $url URL of the given server
+ *
+ * @return array server data
+ */
+ private static function fetchStatistics(string $url)
{
$curlResult = Network::curl($url . '/statistics.json');
if (!$curlResult->isSuccess()) {
$serverdata['network'] = Protocol::DIASPORA;
} elseif ($serverdata['platform'] == 'Friendica') {
$serverdata['network'] = Protocol::DFRN;
+ } elseif ($serverdata['platform'] == 'hubzilla') {
+ $serverdata['network'] = Protocol::ZOT;
} elseif ($serverdata['platform'] == 'redmatrix') {
$serverdata['network'] = Protocol::ZOT;
- } else {
- print_r($serverdata);
- die('aaa');
}
}
}
/**
- * @brief Detect server type by using the nodeinfo data
+ * Detect server type by using the nodeinfo data
*
* @param string $url address of the server
* @return array Server data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- private static function fetchNodeinfo($url, $curlResult)
+ private static function fetchNodeinfo(string $url, $curlResult)
{
$nodeinfo = json_decode($curlResult->getBody(), true);
- if (!is_array($nodeinfo) || !isset($nodeinfo['links'])) {
+ if (!is_array($nodeinfo) || empty($nodeinfo['links'])) {
return [];
}
}
/**
- * @brief Parses Nodeinfo 1
+ * Parses Nodeinfo 1
*
* @param string $nodeinfo_url address of the nodeinfo path
* @return array Server data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- private static function parseNodeinfo1($nodeinfo_url)
+ private static function parseNodeinfo1(string $nodeinfo_url)
{
$curlResult = Network::curl($nodeinfo_url);
if (!$curlResult->isSuccess()) {
- return false;
+ return [];
}
$nodeinfo = json_decode($curlResult->getBody(), true);
if (!is_array($nodeinfo)) {
- return false;
+ return [];
}
$server = [];
}
if (is_array($nodeinfo['software'])) {
- if (isset($nodeinfo['software']['name'])) {
+ if (!empty($nodeinfo['software']['name'])) {
$server['platform'] = $nodeinfo['software']['name'];
}
- if (isset($nodeinfo['software']['version'])) {
+ if (!empty($nodeinfo['software']['version'])) {
$server['version'] = $nodeinfo['software']['version'];
// Version numbers on Nodeinfo are presented with additional info, e.g.:
// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
}
}
- if (isset($nodeinfo['metadata']['nodeName'])) {
+ if (!empty($nodeinfo['metadata']['nodeName'])) {
$server['site_name'] = $nodeinfo['metadata']['nodeName'];
}
$server['network'] = Protocol::OSTATUS;
} elseif (!empty($protocols['zot'])) {
$server['network'] = Protocol::ZOT;
- } else {
- print_r($protocols);
- die('Protocol 1');
}
}
- if (!$server) {
- return false;
+ if (empty($server)) {
+ return [];
}
return $server;
}
/**
- * @brief Parses Nodeinfo 2
+ * Parses Nodeinfo 2
*
* @param string $nodeinfo_url address of the nodeinfo path
* @return array Server data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- private static function parseNodeinfo2($nodeinfo_url)
+ private static function parseNodeinfo2(string $nodeinfo_url)
{
$curlResult = Network::curl($nodeinfo_url);
if (!$curlResult->isSuccess()) {
- return false;
+ return [];
}
$nodeinfo = json_decode($curlResult->getBody(), true);
if (!is_array($nodeinfo)) {
- return false;
+ return [];
}
$server = [];
}
if (is_array($nodeinfo['software'])) {
- if (isset($nodeinfo['software']['name'])) {
+ if (!empty($nodeinfo['software']['name'])) {
$server['platform'] = $nodeinfo['software']['name'];
}
- if (isset($nodeinfo['software']['version'])) {
+ if (!empty($nodeinfo['software']['version'])) {
$server['version'] = $nodeinfo['software']['version'];
// Version numbers on Nodeinfo are presented with additional info, e.g.:
// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
}
}
- if (isset($nodeinfo['metadata']['nodeName'])) {
+ if (!empty($nodeinfo['metadata']['nodeName'])) {
$server['site_name'] = $nodeinfo['metadata']['nodeName'];
}
$protocols[$protocol] = true;
}
- if (!empty($protocols['friendica'])) {
+ if (!empty($protocols['dfrn'])) {
$server['network'] = Protocol::DFRN;
} elseif (!empty($protocols['activitypub'])) {
$server['network'] = Protocol::ACTIVITYPUB;
$server['network'] = Protocol::OSTATUS;
} elseif (!empty($protocols['zot'])) {
$server['network'] = Protocol::ZOT;
- } else {
- print_r($protocols);
- die('Protocol 2');
}
}
if (empty($server)) {
- return false;
+ return [];
}
return $server;
}
- private static function fetchSiteinfo($url, $serverdata)
+ /**
+ * Fetch server information from a 'siteinfo.json' file on the given server
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function fetchSiteinfo(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/siteinfo.json');
if (!$curlResult->isSuccess()) {
return $serverdata;
}
- if (isset($data['url'])) {
+ if (!empty($data['url'])) {
$serverdata['platform'] = $data['platform'];
$serverdata['version'] = $data['version'];
}
return $serverdata;
}
- private static function detectNextcloud($url, $serverdata)
+ /**
+ * Checks if the server contains a valid host meta file
+ *
+ * @param string $url URL of the given server
+ *
+ * @return boolean 'true' if the server seems to be vital
+ */
+ private static function validHostMeta(string $url)
+ {
+ $xrd_timeout = Config::get('system', 'xrd_timeout');
+ $curlResult = Network::curl($url . '/.well-known/host-meta', false, ['timeout' => $xrd_timeout]);
+ if (!$curlResult->isSuccess()) {
+ return false;
+ }
+
+ $xrd = XML::parseString($curlResult->getBody(), false);
+ if (!is_object($xrd)) {
+ return false;
+ }
+
+ $elements = XML::elementToArray($xrd);
+ if (empty($elements) || empty($elements['xrd']) || empty($elements['xrd']['link'])) {
+ return false;
+ }
+
+ $valid = false;
+ foreach ($elements['xrd']['link'] as $link) {
+ // When there is more than a single "link" element, the array looks slightly different
+ if (!empty($link['@attributes'])) {
+ $link = $link['@attributes'];
+ }
+
+ if (empty($link['rel']) || empty($link['template'])) {
+ continue;
+ }
+
+ if ($link['rel'] == 'lrdd') {
+ // When the webfinger host is the same like the system host, it should be ok.
+ $valid = (parse_url($url, PHP_URL_HOST) == parse_url($link['template'], PHP_URL_HOST));
+ }
+ }
+
+ return $valid;
+ }
+
+ /**
+ * Detect the network of the given server via their known contacts
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectNetworkViaContacts(string $url, array $serverdata)
+ {
+ $contacts = [];
+
+ $gcontacts = DBA::select('gcontact', ['url', 'nurl'], ['server_url' => [$url, $serverdata['nurl']]]);
+ while ($gcontact = DBA::fetch($gcontacts)) {
+ $contacts[$gcontact['nurl']] = $gcontact['url'];
+ }
+ DBA::close($gcontacts);
+
+ $apcontacts = DBA::select('apcontact', ['url'], ['baseurl' => [$url, $serverdata['nurl']]]);
+ while ($gcontact = DBA::fetch($gcontacts)) {
+ $contacts[Strings::normaliseLink($apcontact['url'])] = $apcontact['url'];
+ }
+ DBA::close($apcontacts);
+
+ $pcontacts = DBA::select('contact', ['url', 'nurl'], ['uid' => 0, 'baseurl' => [$url, $serverdata['nurl']]]);
+ while ($gcontact = DBA::fetch($gcontacts)) {
+ $contacts[$pcontact['nurl']] = $pcontact['url'];
+ }
+ DBA::close($pcontacts);
+
+ if (empty($contacts)) {
+ return $serverdata;
+ }
+
+ foreach ($contacts as $contact) {
+ $probed = Probe::uri($contact);
+ if (in_array($probed['network'], Protocol::FEDERATED)) {
+ $serverdata['network'] = $probed['network'];
+ break;
+ }
+ }
+
+ $serverdata['registered-users'] = max($serverdata['registered-users'], count($contacts));
+
+ return $serverdata;
+ }
+
+ /**
+ * Checks if the given server does have a '/poco' endpoint.
+ * This is used for the 'PortableContact' functionality,
+ * which is used by both Friendica and Hubzilla.
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function checkPoCo(string $url, array $serverdata)
+ {
+ $curlResult = Network::curl($url. '/poco');
+ if (!$curlResult->isSuccess()) {
+ return $serverdata;
+ }
+
+ $data = json_decode($curlResult->getBody(), true);
+ if (empty($data)) {
+ return $serverdata;
+ }
+
+ if (!empty($data['totalResults'])) {
+ $registeredUsers = $serverdata['registered-users'] ?? 0;
+ $serverdata['registered-users'] = max($data['totalResults'], $registeredUsers);
+ $serverdata['poco'] = $url . '/poco';
+ } else {
+ $serverdata['poco'] = '';
+ }
+
+ return $serverdata;
+ }
+
+ /**
+ * Detects the version number of a given server when it was a NextCloud installation
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectNextcloud(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/status.php');
return $serverdata;
}
- private static function detectMastodonAlikes($url, $serverdata)
+ /**
+ * Detects data from a given server url if it was a mastodon alike system
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectMastodonAlikes(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/api/v1/instance');
if (!empty($data['version'])) {
$serverdata['platform'] = 'mastodon';
- $serverdata['version'] = defaults($data, 'version', '');
+ $serverdata['version'] = $data['version'] ?? '';
$serverdata['network'] = Protocol::ACTIVITYPUB;
}
$serverdata['registered-users'] = $data['stats']['user_count'];
}
- if (!empty($serverdata['version']) && strstr($serverdata['version'], 'Pleroma')) {
- $serverdata['platform'] = 'pleroma';
- $serverdata['version'] = trim(str_replace('Pleroma', '', $serverdata['version'])); // 2.7.2 (compatible; Pleroma 1.0.0-1225-gf31ad554-develop)
+ if (!empty($serverdata['version']) && preg_match('/.*?\(compatible;\s(.*)\s(.*)\)/ism', $serverdata['version'], $matches)) {
+ $serverdata['platform'] = $matches[1];
+ $serverdata['version'] = $matches[2];
}
- if (!empty($serverdata['version']) && strstr($serverdata['version'], 'Pixelfed')) {
- print_r($serverdata);
- die();
-// $serverdata['platform'] = 'pixelfed';
-// $serverdata['version'] = trim(str_replace('Pixelfed', '', $serverdata['version'])); // 2.7.2 (compatible; Pixelfed 0.10.5)
+ if (!empty($serverdata['version']) && strstr($serverdata['version'], 'Pleroma')) {
+ $serverdata['platform'] = 'pleroma';
+ $serverdata['version'] = trim(str_replace('Pleroma', '', $serverdata['version']));
}
return $serverdata;
}
- private static function detectHubzilla($url, $serverdata)
+ /**
+ * Detects data from typical Hubzilla endpoints
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectHubzilla(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/api/statusnet/config.json');
if (!$curlResult->isSuccess() || ($curlResult->getBody() == '')) {
}
if (!empty($data['site']['platform'])) {
-print_r($data);
-die('1');
$serverdata['platform'] = $data['site']['platform']['PLATFORM_NAME'];
$serverdata['version'] = $data['site']['platform']['STD_VERSION'];
$serverdata['network'] = Protocol::ZOT;
}
- if (isset($data['site']['BlaBlaNet'])) {
-print_r($data);
-die('2');
- $serverdata['platform'] = $data['site']['BlaBlaNet']['PLATFORM_NAME'];
- $serverdata['version'] = $data['site']['BlaBlaNet']['STD_VERSION'];
- $serverdata['network'] = Protocol::ZOT;
- }
-
- if (isset($data['site']['hubzilla'])) {
-print_r($data);
-die('3');
+ if (!empty($data['site']['hubzilla'])) {
$serverdata['platform'] = $data['site']['hubzilla']['PLATFORM_NAME'];
$serverdata['version'] = $data['site']['hubzilla']['RED_VERSION'];
$serverdata['network'] = Protocol::ZOT;
}
- if (isset($data['site']['redmatrix'])) {
- if (isset($data['site']['redmatrix']['PLATFORM_NAME'])) {
+ if (!empty($data['site']['redmatrix'])) {
+ if (!empty($data['site']['redmatrix']['PLATFORM_NAME'])) {
$serverdata['platform'] = $data['site']['redmatrix']['PLATFORM_NAME'];
- } elseif (isset($data['site']['redmatrix']['RED_PLATFORM'])) {
+ } elseif (!empty($data['site']['redmatrix']['RED_PLATFORM'])) {
$serverdata['platform'] = $data['site']['redmatrix']['RED_PLATFORM'];
}
$serverdata['network'] = Protocol::ZOT;
}
- if (isset($data['site']['friendica'])) {
-print_r($data);
-print_r($serverdata);
-die('5');
- $serverdata['platform'] = $data['site']['friendica']['FRIENDICA_PLATFORM'];
- $serverdata['version'] = $data['site']['friendica']['FRIENDICA_VERSION'];
- $serverdata['network'] = Protocol::DFRN;
- }
-
$private = false;
$inviteonly = false;
$closed = false;
return $serverdata;
}
+ /**
+ * Converts input value to a boolean value
+ *
+ * @param string|integer $val
+ *
+ * @return boolean
+ */
private static function toBoolean($val)
{
if (($val == 'true') || ($val == 1)) {
return $val;
}
- private static function detectGNUSocial($url, $serverdata)
+ /**
+ * Detect if the URL belongs to a 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)
{
- $curlResult = Network::curl($url . '/api/statusnet/version.json');
-
+ // 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'] = 'StatusNet';
+ $serverdata['platform'] = 'gnusocial';
// Remove junk that some GNU Social servers return
- $serverdata['version'] = str_replace(chr(239).chr(187).chr(191), '', $curlResult->getBody());
+ $serverdata['version'] = str_replace(chr(239) . chr(187) . chr(191), '', $curlResult->getBody());
$serverdata['version'] = trim($serverdata['version'], '"');
$serverdata['network'] = Protocol::OSTATUS;
+ return $serverdata;
}
- // Test for GNU Social
- $curlResult = Network::curl($url . '/api/gnusocial/version.json');
-
+ // 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'] = 'GNU Social';
+ $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'] = str_replace(chr(239).chr(187).chr(191), '', $curlResult->getBody());
$serverdata['version'] = trim($serverdata['version'], '"');
$serverdata['network'] = Protocol::OSTATUS;
}
return $serverdata;
}
- private static function detectFriendica($url, $serverdata)
+ /**
+ * Detect if the URL belongs to a Friendica server
+ *
+ * @param string $url URL of the given server
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function detectFriendica(string $url, array $serverdata)
{
$curlResult = Network::curl($url . '/friendica/json');
if (!$curlResult->isSuccess()) {
$serverdata['info'] = trim($data['info']);
}
- $register_policy = defaults($data, 'register_policy', 'REGISTER_CLOSED');
+ $register_policy = ($data['register_policy'] ?? '') ?: 'REGISTER_CLOSED';
switch ($register_policy) {
case 'REGISTER_OPEN':
$serverdata['register_policy'] = Register::OPEN;
break;
}
- $serverdata['platform'] = defaults($data, 'platform', '');
+ $serverdata['platform'] = $data['platform'] ?? '';
return $serverdata;
}
- private static function analyseRootBody($curlResult, $serverdata)
+ /**
+ * Analyses the landing page of a given server for hints about type and system of that server
+ *
+ * @param object $curlResult result of curl execution
+ * @param array $serverdata array with server data
+ * @param string $url Server URL
+ *
+ * @return array server data
+ */
+ private static function analyseRootBody($curlResult, array $serverdata, string $url)
{
$doc = new DOMDocument();
@$doc->loadHTML($curlResult->getBody());
$attr = [];
if ($node->attributes->length) {
foreach ($node->attributes as $attribute) {
- $attribute->value = trim($attribute->value);
- if (empty($attribute->value)) {
+ $value = trim($attribute->value);
+ if (empty($value)) {
continue;
}
- $attr[$attribute->name] = $attribute->value;
+ $attr[$attribute->name] = $value;
}
if (empty($attr['name']) || empty($attr['content'])) {
continue;
}
}
-//print_r($attr);
+
if ($attr['name'] == 'description') {
$serverdata['info'] = $attr['content'];
}
$serverdata['network'] = Protocol::ACTIVITYPUB;
}
}
-//
- if (($attr['name'] == 'generator') && in_array($attr['content'], ['Write.as'])) {
-die('as');
-// $serverdata['platform'] = $attr['content'];
-// $serverdata['network'] = Protocol::ACTIVITYPUB;
- } elseif ($attr['name'] == 'generator') {
+
+ if ($attr['name'] == 'generator') {
$serverdata['platform'] = $attr['content'];
$version_part = explode(' ', $attr['content']);
- if (count($version_part) == 3) {
- if (($version_part[0] == 'Red') && ($version_part[1] == 'Matrix')) {
-// $serverdata['platform'] = $version_part[0] . ' ' . $version_part[1];
-// $serverdata['version'] = $version_part[2];
-// $serverdata['network'] = Protocol::DIASPORA;
- }
- } elseif (count($version_part) == 2) {
+ if (count($version_part) == 2) {
if (in_array($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];
$attr = [];
if ($node->attributes->length) {
foreach ($node->attributes as $attribute) {
- $attribute->value = trim($attribute->value);
- if (empty($attribute->value)) {
+ $value = trim($attribute->value);
+ if (empty($value)) {
continue;
}
- $attr[$attribute->name] = $attribute->value;
+ $attr[$attribute->name] = $value;
}
if (empty($attr['property']) || empty($attr['content'])) {
continue;
}
}
-//print_r($attr);
if ($attr['property'] == 'og:site_name') {
$serverdata['site_name'] = $attr['content'];
$serverdata['info'] = $attr['content'];
}
-// if (($attr['property'] == 'og:title') && in_array($attr['content'], ['pixelfed', 'Socialhome'])) {
-// if (($attr['property'] == 'og:title') && in_array($attr['content'], ['Nextcloud'])) {
-// $serverdata['platform'] = $attr['content'];
-// $serverdata['network'] = Protocol::ACTIVITYPUB;
-// }
-
if ($attr['property'] == 'og:platform') {
$serverdata['platform'] = $attr['content'];
return $serverdata;
}
- private static function analyseRootHeader($curlResult, $serverdata)
+ /**
+ * Analyses the header data of a given server for hints about type and system of that server
+ *
+ * @param object $curlResult result of curl execution
+ * @param array $serverdata array with server data
+ *
+ * @return array server data
+ */
+ private static function analyseRootHeader($curlResult, array $serverdata)
{
if ($curlResult->getHeader('server') == 'Mastodon') {
$serverdata['platform'] = 'mastodon';
$serverdata['platform'] = 'friendica';
$serverdata['network'] = $network = Protocol::DFRN;
$serverdata['version'] = $curlResult->getHeader('x-friendica-version');
-
- } else {
-//print_r($curlResult->getHeaderArray());
}
return $serverdata;
}
projects / friendica.git / blobdiff