From 97d3176754ce7b9dce50d83290a6d3746deff0e8 Mon Sep 17 00:00:00 2001 From: Michael Date: Mon, 13 Mar 2017 00:03:27 +0000 Subject: [PATCH] Querying via nodeinfo --- include/socgraph.php | 122 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) diff --git a/include/socgraph.php b/include/socgraph.php index dee3bfc19..e3e5773b7 100644 --- a/include/socgraph.php +++ b/include/socgraph.php @@ -763,6 +763,110 @@ function poco_detect_poco_data($data) { return false; } +/** + * @brief Detect server type by using the nodeinfo data + * + * @param string $server_url address of the server + * @return array Server data + */ +function poco_fetch_nodeinfo($server_url) { + $serverret = z_fetch_url($server_url."/.well-known/nodeinfo"); + if (!$serverret["success"]) { + return false; + } + + $nodeinfo = json_decode($serverret['body']); + + if (!is_object($nodeinfo)) { + return false; + } + + if (!is_array($nodeinfo->links)) { + return false; + } + + $nodeinfo_url = ''; + + foreach ($nodeinfo->links AS $link) { + if ($link->rel == 'http://nodeinfo.diaspora.software/ns/schema/1.0') { + $nodeinfo_url = $link->href; + } + } + + if ($nodeinfo_url == '') { + return false; + } + + $serverret = z_fetch_url($nodeinfo_url); + if (!$serverret["success"]) { + return false; + } + + $nodeinfo = json_decode($serverret['body']); + + if (!is_object($nodeinfo)) { + return false; + } + + $server = array(); + + $server['register_policy'] = REGISTER_CLOSED; + + if (is_bool($nodeinfo->openRegistrations) AND $nodeinfo->openRegistrations) { + $server['register_policy'] = REGISTER_OPEN; + } + + if (is_object($nodeinfo->software)) { + if (isset($nodeinfo->software->name)) { + $server['platform'] = $nodeinfo->software->name; + } + + if (isset($nodeinfo->software->version)) { + $server['version'] = $nodeinfo->software->version; + } + } + + if (is_object($nodeinfo->metadata)) { + if (isset($nodeinfo->metadata->nodeName)) { + $server['site_name'] = $nodeinfo->metadata->nodeName; + } + } + + $diaspora = false; + $friendica = false; + $gnusocial = false; + + if (is_array($nodeinfo->protocols->inbound)) { + foreach ($nodeinfo->protocols->inbound AS $inbound) { + if ($inbound == 'diaspora') { + $diaspora = true; + } + if ($inbound == 'friendica') { + $friendica = true; + } + if ($inbound == 'gnusocial') { + $gnusocial = true; + } + } + } + + if ($gnusocial) { + $server['network'] = NETWORK_OSTATUS; + } + if ($diaspora) { + $server['network'] = NETWORK_DIASPORA; + } + if ($friendica) { + $server['network'] = NETWORK_DFRN; + } + + if (!$server) { + return false; + } + + return $server; +} + /** * @brief Detect server type (Hubzilla or Friendica) via the front page body * @@ -1103,6 +1207,24 @@ function poco_check_server($server_url, $network = "", $force = false) { } } + // Query nodeinfo. Working for (at least) Diaspora and Friendica. + if (!$failure) { + $server = poco_fetch_nodeinfo($server_url); + if ($server) { + $register_policy = $server['register_policy']; + $platform = $server['platform']; + $network = $server['network']; + + if ($version == "") { + $version = $server['version']; + } + + $site_name = $server['site_name']; + + $last_contact = datetime_convert(); + } + } + // Check for noscrape // Friendica servers could be detected as OStatus servers if (!$failure AND in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS))) {