}
// 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::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);
$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);
$protocols[$protocol] = true;
}
- if (!empty($protocols['friendica'])) {
+ if (!empty($protocols['dfrn'])) {
$server['network'] = Protocol::DFRN;
} elseif (!empty($protocols['activitypub'])) {
$server['network'] = Protocol::ACTIVITYPUB;
$valid = false;
foreach ($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));
}
*/
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($gcontacts)) {
if (!empty($data['version'])) {
$serverdata['platform'] = 'mastodon';
- $serverdata['version'] = defaults($data, 'version', '');
+ $serverdata['version'] = $data['version'] ?? '';
$serverdata['network'] = Protocol::ACTIVITYPUB;
}
*/
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;
}
$serverdata['info'] = trim($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;
}
*
* @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());
$attr = [];
if ($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($attr['content'])) {
if (in_array($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'])) {
projects / friendica.git / blobdiff