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Fix for multiline host-meta, reducement of requests, fix for wordpress

2022.09-rc
Michael 2019-10-06 16:33:39 +00:00
rodzic 7959b9bbed
commit 4e7d94053e
1 zmienionych plików z 54 dodań i 39 usunięć
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93
src/Model/GServer.php
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@ -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];