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Hostmeta check, Pleroma version number cleaning

tags/2019.12
Michael 1 year ago
parent
commit
832c765ad5
1 changed files with 49 additions and 2 deletions
  1. +49
    -2
      src/Model/GServer.php

+ 49
- 2
src/Model/GServer.php View File

@@ -54,7 +54,7 @@ class GServer
}

// If that didn't work out well, we use some protocol specific endpoints
if (empty($nodeinfo) || ($nodeinfo['network'] == Protocol::DFRN)) {
if (empty($nodeinfo) || empty($nodeinfo['network']) || ($nodeinfo['network'] == Protocol::DFRN)) {
// Fetch the landing page, possibly it reveals some data
$curlResult = Network::curl($url, false, ['timeout' => $xrd_timeout]);
if ($curlResult->isSuccess()) {
@@ -103,6 +103,14 @@ class GServer
$serverdata['network'] = Protocol::PHANTOM;
}

// 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);

@@ -443,6 +451,39 @@ class GServer
return $serverdata;
}

private static function validHostMeta($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 $link) {
if (empty($link['rel']) || empty($link['type']) || empty($link['template'])) {
continue;
}

if ($link['type'] == 'application/xrd+xml') {
// 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;
}

private static function checkPoCo($url, $serverdata)
{
$curlResult = Network::curl($url. '/poco');
@@ -519,9 +560,15 @@ class GServer
$serverdata['registered-users'] = $data['stats']['user_count'];
}

if (!empty($serverdata['version']) && preg_match('/.*?\(compatible;\s(.*)\s(.*)\)/ism', $serverdata['version'], $matches)) {
$serverdata['platform'] = $matches[1];
$serverdata['version'] = $matches[2];
print_r($serverdata);
}

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)
$serverdata['version'] = trim(str_replace('Pleroma', '', $serverdata['version']));
}

return $serverdata;


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