1801 lines
51 KiB
PHP
1801 lines
51 KiB
PHP
<?php
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/**
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* @file src/Protocol/PortableContact.php
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*
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* @todo Move GNU Social URL schemata (http://server.tld/user/number) to http://server.tld/username
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* @todo Fetch profile data from profile page for Redmatrix users
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* @todo Detect if it is a forum
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*/
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namespace Friendica\Protocol;
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use Friendica\Content\Text\HTML;
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use Friendica\Core\Config;
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use Friendica\Core\Worker;
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use Friendica\Database\DBM;
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use Friendica\Model\GContact;
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use Friendica\Model\Profile;
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use Friendica\Network\Probe;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Network;
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use Friendica\Protocol\Diaspora;
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use dba;
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use DOMDocument;
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use DOMXPath;
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use Exception;
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require_once 'include/dba.php';
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class PortableContact
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{
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/**
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* @brief Fetch POCO data
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*
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* @param integer $cid Contact ID
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* @param integer $uid User ID
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* @param integer $zcid Global Contact ID
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* @param integer $url POCO address that should be polled
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*
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* Given a contact-id (minimum), load the PortableContacts friend list for that contact,
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* and add the entries to the gcontact (Global Contact) table, or update existing entries
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* if anything (name or photo) has changed.
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* We use normalised urls for comparison which ignore http vs https and www.domain vs domain
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*
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* Once the global contact is stored add (if necessary) the contact linkage which associates
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* the given uid, cid to the global contact entry. There can be many uid/cid combinations
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* pointing to the same global contact id.
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*
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*/
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public static function loadWorker($cid, $uid = 0, $zcid = 0, $url = null)
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{
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// Call the function "load" via the worker
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Worker::add(PRIORITY_LOW, "DiscoverPoCo", "load", (int)$cid, (int)$uid, (int)$zcid, $url);
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}
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/**
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* @brief Fetch POCO data from the worker
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*
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* @param integer $cid Contact ID
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* @param integer $uid User ID
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* @param integer $zcid Global Contact ID
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* @param integer $url POCO address that should be polled
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*
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*/
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public static function load($cid, $uid, $zcid, $url)
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{
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$a = get_app();
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if ($cid) {
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if (!$url || !$uid) {
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$contact = dba::selectFirst('contact', ['poco', 'uid'], ['id' => $cid]);
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if (DBM::is_result($contact)) {
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$url = $contact['poco'];
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$uid = $contact['uid'];
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}
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}
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if (!$uid) {
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return;
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}
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}
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if (!$url) {
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return;
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}
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$url = $url . (($uid) ? '/@me/@all?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation' : '?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation') ;
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logger('load: ' . $url, LOGGER_DEBUG);
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$s = Network::fetchUrl($url);
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logger('load: returns ' . $s, LOGGER_DATA);
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logger('load: return code: ' . $a->get_curl_code(), LOGGER_DEBUG);
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if (($a->get_curl_code() > 299) || (! $s)) {
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return;
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}
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$j = json_decode($s);
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logger('load: json: ' . print_r($j, true), LOGGER_DATA);
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if (! isset($j->entry)) {
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return;
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}
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$total = 0;
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foreach ($j->entry as $entry) {
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$total ++;
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$profile_url = '';
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$profile_photo = '';
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$connect_url = '';
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$name = '';
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$network = '';
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$updated = NULL_DATE;
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$location = '';
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$about = '';
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$keywords = '';
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$gender = '';
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$contact_type = -1;
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$generation = 0;
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$name = $entry->displayName;
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if (isset($entry->urls)) {
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foreach ($entry->urls as $url) {
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if ($url->type == 'profile') {
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$profile_url = $url->value;
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continue;
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}
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if ($url->type == 'webfinger') {
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$connect_url = str_replace('acct:', '', $url->value);
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continue;
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}
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}
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}
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if (isset($entry->photos)) {
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foreach ($entry->photos as $photo) {
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if ($photo->type == 'profile') {
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$profile_photo = $photo->value;
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continue;
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}
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}
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}
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if (isset($entry->updated)) {
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$updated = date(DateTimeFormat::MYSQL, strtotime($entry->updated));
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}
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if (isset($entry->network)) {
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$network = $entry->network;
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}
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if (isset($entry->currentLocation)) {
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$location = $entry->currentLocation;
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}
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if (isset($entry->aboutMe)) {
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$about = HTML::toBBCode($entry->aboutMe);
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}
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if (isset($entry->gender)) {
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$gender = $entry->gender;
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}
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if (isset($entry->generation) && ($entry->generation > 0)) {
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$generation = ++$entry->generation;
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}
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if (isset($entry->tags)) {
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foreach ($entry->tags as $tag) {
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$keywords = implode(", ", $tag);
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}
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}
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if (isset($entry->contactType) && ($entry->contactType >= 0)) {
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$contact_type = $entry->contactType;
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}
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$gcontact = ["url" => $profile_url,
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"name" => $name,
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"network" => $network,
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"photo" => $profile_photo,
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"about" => $about,
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"location" => $location,
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"gender" => $gender,
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"keywords" => $keywords,
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"connect" => $connect_url,
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"updated" => $updated,
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"contact-type" => $contact_type,
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"generation" => $generation];
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try {
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$gcontact = GContact::sanitize($gcontact);
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$gcid = GContact::update($gcontact);
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GContact::link($gcid, $uid, $cid, $zcid);
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} catch (Exception $e) {
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logger($e->getMessage(), LOGGER_DEBUG);
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}
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}
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logger("load: loaded $total entries", LOGGER_DEBUG);
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$condition = ["`cid` = ? AND `uid` = ? AND `zcid` = ? AND `updated` < UTC_TIMESTAMP - INTERVAL 2 DAY", $cid, $uid, $zcid];
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dba::delete('glink', $condition);
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}
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public static function reachable($profile, $server = "", $network = "", $force = false)
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{
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if ($server == "") {
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$server = self::detectServer($profile);
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}
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if ($server == "") {
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return true;
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}
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return self::checkServer($server, $network, $force);
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}
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public static function detectServer($profile)
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{
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// Try to detect the server path based upon some known standard paths
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$server_url = "";
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if ($server_url == "") {
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$friendica = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $profile);
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if ($friendica != $profile) {
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$server_url = $friendica;
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$network = NETWORK_DFRN;
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}
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}
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if ($server_url == "") {
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$diaspora = preg_replace("=(https?://)(.*)/u/(.*)=ism", "$1$2", $profile);
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if ($diaspora != $profile) {
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$server_url = $diaspora;
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$network = NETWORK_DIASPORA;
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}
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}
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if ($server_url == "") {
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$red = preg_replace("=(https?://)(.*)/channel/(.*)=ism", "$1$2", $profile);
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if ($red != $profile) {
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$server_url = $red;
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$network = NETWORK_DIASPORA;
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}
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}
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// Mastodon
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if ($server_url == "") {
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$mastodon = preg_replace("=(https?://)(.*)/users/(.*)=ism", "$1$2", $profile);
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if ($mastodon != $profile) {
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$server_url = $mastodon;
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$network = NETWORK_OSTATUS;
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}
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}
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// Numeric OStatus variant
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if ($server_url == "") {
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$ostatus = preg_replace("=(https?://)(.*)/user/(.*)=ism", "$1$2", $profile);
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if ($ostatus != $profile) {
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$server_url = $ostatus;
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$network = NETWORK_OSTATUS;
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}
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}
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// Wild guess
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if ($server_url == "") {
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$base = preg_replace("=(https?://)(.*?)/(.*)=ism", "$1$2", $profile);
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if ($base != $profile) {
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$server_url = $base;
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$network = NETWORK_PHANTOM;
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}
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}
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if ($server_url == "") {
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return "";
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}
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$r = q(
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"SELECT `id` FROM `gserver` WHERE `nurl` = '%s' AND `last_contact` > `last_failure`",
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dbesc(normalise_link($server_url))
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);
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if (DBM::is_result($r)) {
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return $server_url;
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}
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// Fetch the host-meta to check if this really is a server
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$serverret = Network::curl($server_url."/.well-known/host-meta");
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if (!$serverret["success"]) {
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return "";
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}
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return $server_url;
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}
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public static function alternateOStatusUrl($url)
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{
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return(preg_match("=https?://.+/user/\d+=ism", $url, $matches));
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}
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public static function lastUpdated($profile, $force = false)
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{
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$gcontacts = q(
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"SELECT * FROM `gcontact` WHERE `nurl` = '%s'",
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dbesc(normalise_link($profile))
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);
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if (!DBM::is_result($gcontacts)) {
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return false;
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}
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$contact = ["url" => $profile];
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if ($gcontacts[0]["created"] <= NULL_DATE) {
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$contact['created'] = DateTimeFormat::utcNow();
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}
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$server_url = '';
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if ($force) {
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$server_url = normalise_link(self::detectServer($profile));
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}
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if (($server_url == '') && ($gcontacts[0]["server_url"] != "")) {
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$server_url = $gcontacts[0]["server_url"];
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}
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if (!$force && (($server_url == '') || ($gcontacts[0]["server_url"] == $gcontacts[0]["nurl"]))) {
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$server_url = normalise_link(self::detectServer($profile));
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}
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if (!in_array($gcontacts[0]["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_FEED, NETWORK_OSTATUS, ""])) {
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logger("Profile ".$profile.": Network type ".$gcontacts[0]["network"]." can't be checked", LOGGER_DEBUG);
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return false;
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}
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if ($server_url != "") {
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if (!self::checkServer($server_url, $gcontacts[0]["network"], $force)) {
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if ($force) {
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$fields = ['last_failure' => DateTimeFormat::utcNow()];
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dba::update('gcontact', $fields, ['nurl' => normalise_link($profile)]);
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}
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logger("Profile ".$profile.": Server ".$server_url." wasn't reachable.", LOGGER_DEBUG);
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return false;
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}
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$contact['server_url'] = $server_url;
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}
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if (in_array($gcontacts[0]["network"], ["", NETWORK_FEED])) {
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$server = q(
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"SELECT `network` FROM `gserver` WHERE `nurl` = '%s' AND `network` != ''",
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dbesc(normalise_link($server_url))
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);
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if ($server) {
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$contact['network'] = $server[0]["network"];
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} else {
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return false;
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}
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}
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// noscrape is really fast so we don't cache the call.
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if (($server_url != "") && ($gcontacts[0]["nick"] != "")) {
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// Use noscrape if possible
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$server = q("SELECT `noscrape`, `network` FROM `gserver` WHERE `nurl` = '%s' AND `noscrape` != ''", dbesc(normalise_link($server_url)));
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if ($server) {
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$noscraperet = Network::curl($server[0]["noscrape"]."/".$gcontacts[0]["nick"]);
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if ($noscraperet["success"] && ($noscraperet["body"] != "")) {
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$noscrape = json_decode($noscraperet["body"], true);
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if (is_array($noscrape)) {
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$contact["network"] = $server[0]["network"];
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if (isset($noscrape["fn"])) {
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$contact["name"] = $noscrape["fn"];
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}
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if (isset($noscrape["comm"])) {
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$contact["community"] = $noscrape["comm"];
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}
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if (isset($noscrape["tags"])) {
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$keywords = implode(" ", $noscrape["tags"]);
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if ($keywords != "") {
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$contact["keywords"] = $keywords;
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}
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}
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$location = Profile::formatLocation($noscrape);
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if ($location) {
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$contact["location"] = $location;
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}
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if (isset($noscrape["dfrn-notify"])) {
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$contact["notify"] = $noscrape["dfrn-notify"];
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}
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// Remove all fields that are not present in the gcontact table
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unset($noscrape["fn"]);
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unset($noscrape["key"]);
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unset($noscrape["homepage"]);
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unset($noscrape["comm"]);
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unset($noscrape["tags"]);
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unset($noscrape["locality"]);
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unset($noscrape["region"]);
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unset($noscrape["country-name"]);
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unset($noscrape["contacts"]);
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unset($noscrape["dfrn-request"]);
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unset($noscrape["dfrn-confirm"]);
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unset($noscrape["dfrn-notify"]);
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unset($noscrape["dfrn-poll"]);
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// Set the date of the last contact
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/// @todo By now the function "update_gcontact" doesn't work with this field
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//$contact["last_contact"] = DateTimeFormat::utcNow();
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$contact = array_merge($contact, $noscrape);
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GContact::update($contact);
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if (trim($noscrape["updated"]) != "") {
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$fields = ['last_contact' => DateTimeFormat::utcNow()];
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dba::update('gcontact', $fields, ['nurl' => normalise_link($profile)]);
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logger("Profile ".$profile." was last updated at ".$noscrape["updated"]." (noscrape)", LOGGER_DEBUG);
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return $noscrape["updated"];
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}
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}
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}
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}
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}
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// If we only can poll the feed, then we only do this once a while
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if (!$force && !self::updateNeeded($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) {
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logger("Profile ".$profile." was last updated at ".$gcontacts[0]["updated"]." (cached)", LOGGER_DEBUG);
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GContact::update($contact);
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return $gcontacts[0]["updated"];
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}
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$data = Probe::uri($profile);
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// Is the profile link the alternate OStatus link notation? (http://domain.tld/user/4711)
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// Then check the other link and delete this one
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if (($data["network"] == NETWORK_OSTATUS) && self::alternateOStatusUrl($profile)
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&& (normalise_link($profile) == normalise_link($data["alias"]))
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&& (normalise_link($profile) != normalise_link($data["url"]))
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) {
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// Delete the old entry
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dba::delete('gcontact', ['nurl' => normalise_link($profile)]);
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$gcontact = array_merge($gcontacts[0], $data);
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$gcontact["server_url"] = $data["baseurl"];
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try {
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$gcontact = GContact::sanitize($gcontact);
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GContact::update($gcontact);
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self::lastUpdated($data["url"], $force);
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} catch (Exception $e) {
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logger($e->getMessage(), LOGGER_DEBUG);
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}
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logger("Profile ".$profile." was deleted", LOGGER_DEBUG);
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return false;
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}
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if (($data["poll"] == "") || (in_array($data["network"], [NETWORK_FEED, NETWORK_PHANTOM]))) {
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$fields = ['last_failure' => DateTimeFormat::utcNow()];
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dba::update('gcontact', $fields, ['nurl' => normalise_link($profile)]);
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logger("Profile ".$profile." wasn't reachable (profile)", LOGGER_DEBUG);
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return false;
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}
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$contact = array_merge($contact, $data);
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$contact["server_url"] = $data["baseurl"];
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GContact::update($contact);
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$feedret = Network::curl($data["poll"]);
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if (!$feedret["success"]) {
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$fields = ['last_failure' => DateTimeFormat::utcNow()];
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dba::update('gcontact', $fields, ['nurl' => normalise_link($profile)]);
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logger("Profile ".$profile." wasn't reachable (no feed)", LOGGER_DEBUG);
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return false;
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}
|
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$doc = new DOMDocument();
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@$doc->loadXML($feedret["body"]);
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$xpath = new DOMXPath($doc);
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$xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
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$entries = $xpath->query('/atom:feed/atom:entry');
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$last_updated = "";
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foreach ($entries as $entry) {
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$published = DateTimeFormat::utc($xpath->query('atom:published/text()', $entry)->item(0)->nodeValue);
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$updated = DateTimeFormat::utc($xpath->query('atom:updated/text()' , $entry)->item(0)->nodeValue);
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if ($last_updated < $published) {
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$last_updated = $published;
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}
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|
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if ($last_updated < $updated) {
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$last_updated = $updated;
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}
|
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}
|
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|
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// Maybe there aren't any entries. Then check if it is a valid feed
|
|
if ($last_updated == "") {
|
|
if ($xpath->query('/atom:feed')->length > 0) {
|
|
$last_updated = NULL_DATE;
|
|
}
|
|
}
|
|
|
|
$fields = ['last_contact' => DateTimeFormat::utcNow()];
|
|
|
|
if (!empty($last_updated)) {
|
|
$fields['updated'] = $last_updated;
|
|
}
|
|
|
|
dba::update('gcontact', $fields, ['nurl' => normalise_link($profile)]);
|
|
|
|
if (($gcontacts[0]["generation"] == 0)) {
|
|
$fields = ['generation' => 9];
|
|
dba::update('gcontact', $fields, ['nurl' => normalise_link($profile)]);
|
|
}
|
|
|
|
logger("Profile ".$profile." was last updated at ".$last_updated, LOGGER_DEBUG);
|
|
|
|
return $last_updated;
|
|
}
|
|
|
|
public static function updateNeeded($created, $updated, $last_failure, $last_contact)
|
|
{
|
|
$now = strtotime(DateTimeFormat::utcNow());
|
|
|
|
if ($updated > $last_contact) {
|
|
$contact_time = strtotime($updated);
|
|
} else {
|
|
$contact_time = strtotime($last_contact);
|
|
}
|
|
|
|
$failure_time = strtotime($last_failure);
|
|
$created_time = strtotime($created);
|
|
|
|
// If there is no "created" time then use the current time
|
|
if ($created_time <= 0) {
|
|
$created_time = $now;
|
|
}
|
|
|
|
// If the last contact was less than 24 hours then don't update
|
|
if (($now - $contact_time) < (60 * 60 * 24)) {
|
|
return false;
|
|
}
|
|
|
|
// If the last failure was less than 24 hours then don't update
|
|
if (($now - $failure_time) < (60 * 60 * 24)) {
|
|
return false;
|
|
}
|
|
|
|
// If the last contact was less than a week ago and the last failure is older than a week then don't update
|
|
//if ((($now - $contact_time) < (60 * 60 * 24 * 7)) && ($contact_time > $failure_time))
|
|
// return false;
|
|
|
|
// If the last contact time was more than a week ago and the contact was created more than a week ago, then only try once a week
|
|
if ((($now - $contact_time) > (60 * 60 * 24 * 7)) && (($now - $created_time) > (60 * 60 * 24 * 7)) && (($now - $failure_time) < (60 * 60 * 24 * 7))) {
|
|
return false;
|
|
}
|
|
|
|
// If the last contact time was more than a month ago and the contact was created more than a month ago, then only try once a month
|
|
if ((($now - $contact_time) > (60 * 60 * 24 * 30)) && (($now - $created_time) > (60 * 60 * 24 * 30)) && (($now - $failure_time) < (60 * 60 * 24 * 30))) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private static function toBoolean($val)
|
|
{
|
|
if (($val == "true") || ($val == 1)) {
|
|
return true;
|
|
} elseif (($val == "false") || ($val == 0)) {
|
|
return false;
|
|
}
|
|
|
|
return $val;
|
|
}
|
|
|
|
/**
|
|
* @brief Detect server type (Hubzilla or Friendica) via the poco data
|
|
*
|
|
* @param object $data POCO data
|
|
* @return array Server data
|
|
*/
|
|
private static function detectPocoData($data)
|
|
{
|
|
$server = false;
|
|
|
|
if (!isset($data->entry)) {
|
|
return false;
|
|
}
|
|
|
|
if (count($data->entry) == 0) {
|
|
return false;
|
|
}
|
|
|
|
if (!isset($data->entry[0]->urls)) {
|
|
return false;
|
|
}
|
|
|
|
if (count($data->entry[0]->urls) == 0) {
|
|
return false;
|
|
}
|
|
|
|
foreach ($data->entry[0]->urls as $url) {
|
|
if ($url->type == 'zot') {
|
|
$server = [];
|
|
$server["platform"] = 'Hubzilla';
|
|
$server["network"] = NETWORK_DIASPORA;
|
|
return $server;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @brief Detect server type by using the nodeinfo data
|
|
*
|
|
* @param string $server_url address of the server
|
|
* @return array Server data
|
|
*/
|
|
private static function fetchNodeinfo($server_url)
|
|
{
|
|
$serverret = Network::curl($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;
|
|
}
|
|
|
|
$nodeinfo1_url = '';
|
|
$nodeinfo2_url = '';
|
|
|
|
foreach ($nodeinfo->links as $link) {
|
|
if ($link->rel == 'http://nodeinfo.diaspora.software/ns/schema/1.0') {
|
|
$nodeinfo1_url = $link->href;
|
|
}
|
|
if ($link->rel == 'http://nodeinfo.diaspora.software/ns/schema/2.0') {
|
|
$nodeinfo2_url = $link->href;
|
|
}
|
|
}
|
|
|
|
if ($nodeinfo1_url . $nodeinfo2_url == '') {
|
|
return false;
|
|
}
|
|
|
|
$server = [];
|
|
|
|
// When the nodeinfo url isn't on the same host, then there is obviously something wrong
|
|
if (!empty($nodeinfo2_url) && (parse_url($server_url, PHP_URL_HOST) == parse_url($nodeinfo2_url, PHP_URL_HOST))) {
|
|
$server = self::parseNodeinfo2($nodeinfo2_url);
|
|
}
|
|
|
|
// When the nodeinfo url isn't on the same host, then there is obviously something wrong
|
|
if (empty($server) && !empty($nodeinfo1_url) && (parse_url($server_url, PHP_URL_HOST) == parse_url($nodeinfo1_url, PHP_URL_HOST))) {
|
|
$server = self::parseNodeinfo1($nodeinfo1_url);
|
|
}
|
|
|
|
return $server;
|
|
}
|
|
|
|
/**
|
|
* @brief Parses Nodeinfo 1
|
|
*
|
|
* @param string $nodeinfo_url address of the nodeinfo path
|
|
* @return array Server data
|
|
*/
|
|
private static function parseNodeinfo1($nodeinfo_url)
|
|
{
|
|
$serverret = Network::curl($nodeinfo_url);
|
|
if (!$serverret["success"]) {
|
|
return false;
|
|
}
|
|
|
|
$nodeinfo = json_decode($serverret['body']);
|
|
if (!is_object($nodeinfo)) {
|
|
return false;
|
|
}
|
|
|
|
$server = [];
|
|
|
|
$server['register_policy'] = REGISTER_CLOSED;
|
|
|
|
if (is_bool($nodeinfo->openRegistrations) && $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;
|
|
// 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.
|
|
$server['version'] = preg_replace("=(.+)-(.{4,})=ism", "$1", $server['version']);
|
|
}
|
|
}
|
|
|
|
if (is_object($nodeinfo->metadata)) {
|
|
if (isset($nodeinfo->metadata->nodeName)) {
|
|
$server['site_name'] = $nodeinfo->metadata->nodeName;
|
|
}
|
|
}
|
|
|
|
if (!empty($nodeinfo->usage->users->total)) {
|
|
$server['registered-users'] = $nodeinfo->usage->users->total;
|
|
}
|
|
|
|
$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 Parses Nodeinfo 2
|
|
*
|
|
* @param string $nodeinfo_url address of the nodeinfo path
|
|
* @return array Server data
|
|
*/
|
|
private static function parseNodeinfo2($nodeinfo_url)
|
|
{
|
|
$serverret = Network::curl($nodeinfo_url);
|
|
if (!$serverret["success"]) {
|
|
return false;
|
|
}
|
|
|
|
$nodeinfo = json_decode($serverret['body']);
|
|
if (!is_object($nodeinfo)) {
|
|
return false;
|
|
}
|
|
|
|
$server = [];
|
|
|
|
$server['register_policy'] = REGISTER_CLOSED;
|
|
|
|
if (is_bool($nodeinfo->openRegistrations) && $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;
|
|
// 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.
|
|
$server['version'] = preg_replace("=(.+)-(.{4,})=ism", "$1", $server['version']);
|
|
}
|
|
}
|
|
|
|
if (is_object($nodeinfo->metadata)) {
|
|
if (isset($nodeinfo->metadata->nodeName)) {
|
|
$server['site_name'] = $nodeinfo->metadata->nodeName;
|
|
}
|
|
}
|
|
|
|
if (!empty($nodeinfo->usage->users->total)) {
|
|
$server['registered-users'] = $nodeinfo->usage->users->total;
|
|
}
|
|
|
|
$diaspora = false;
|
|
$friendica = false;
|
|
$gnusocial = false;
|
|
|
|
if (is_array($nodeinfo->protocols)) {
|
|
foreach ($nodeinfo->protocols as $protocol) {
|
|
if ($protocol == 'diaspora') {
|
|
$diaspora = true;
|
|
}
|
|
if ($protocol == 'friendica') {
|
|
$friendica = true;
|
|
}
|
|
if ($protocol == '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
|
|
*
|
|
* @param string $body Front page of the server
|
|
* @return array Server data
|
|
*/
|
|
private static function detectServerType($body)
|
|
{
|
|
$server = false;
|
|
|
|
$doc = new DOMDocument();
|
|
@$doc->loadHTML($body);
|
|
$xpath = new DOMXPath($doc);
|
|
|
|
$list = $xpath->query("//meta[@name]");
|
|
|
|
foreach ($list as $node) {
|
|
$attr = [];
|
|
if ($node->attributes->length) {
|
|
foreach ($node->attributes as $attribute) {
|
|
$attr[$attribute->name] = $attribute->value;
|
|
}
|
|
}
|
|
if ($attr['name'] == 'generator') {
|
|
$version_part = explode(" ", $attr['content']);
|
|
if (count($version_part) == 2) {
|
|
if (in_array($version_part[0], ["Friendika", "Friendica"])) {
|
|
$server = [];
|
|
$server["platform"] = $version_part[0];
|
|
$server["version"] = $version_part[1];
|
|
$server["network"] = NETWORK_DFRN;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$server) {
|
|
$list = $xpath->query("//meta[@property]");
|
|
|
|
foreach ($list as $node) {
|
|
$attr = [];
|
|
if ($node->attributes->length) {
|
|
foreach ($node->attributes as $attribute) {
|
|
$attr[$attribute->name] = $attribute->value;
|
|
}
|
|
}
|
|
if ($attr['property'] == 'generator' && in_array($attr['content'], ["hubzilla", "BlaBlaNet"])) {
|
|
$server = [];
|
|
$server["platform"] = $attr['content'];
|
|
$server["version"] = "";
|
|
$server["network"] = NETWORK_DIASPORA;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$server) {
|
|
return false;
|
|
}
|
|
|
|
$server["site_name"] = $xpath->evaluate("//head/title/text()")->item(0)->nodeValue;
|
|
return $server;
|
|
}
|
|
|
|
public static function checkServer($server_url, $network = "", $force = false)
|
|
{
|
|
// Unify the server address
|
|
$server_url = trim($server_url, "/");
|
|
$server_url = str_replace("/index.php", "", $server_url);
|
|
|
|
if ($server_url == "") {
|
|
return false;
|
|
}
|
|
|
|
$gserver = dba::selectFirst('gserver', [], ['nurl' => normalise_link($server_url)]);
|
|
if (DBM::is_result($gserver)) {
|
|
if ($gserver["created"] <= NULL_DATE) {
|
|
$fields = ['created' => DateTimeFormat::utcNow()];
|
|
$condition = ['nurl' => normalise_link($server_url)];
|
|
dba::update('gserver', $fields, $condition);
|
|
}
|
|
$poco = $gserver["poco"];
|
|
$noscrape = $gserver["noscrape"];
|
|
|
|
if ($network == "") {
|
|
$network = $gserver["network"];
|
|
}
|
|
|
|
$last_contact = $gserver["last_contact"];
|
|
$last_failure = $gserver["last_failure"];
|
|
$version = $gserver["version"];
|
|
$platform = $gserver["platform"];
|
|
$site_name = $gserver["site_name"];
|
|
$info = $gserver["info"];
|
|
$register_policy = $gserver["register_policy"];
|
|
$registered_users = $gserver["registered-users"];
|
|
|
|
// See discussion under https://forum.friendi.ca/display/0b6b25a8135aabc37a5a0f5684081633
|
|
// It can happen that a zero date is in the database, but storing it again is forbidden.
|
|
if ($last_contact < NULL_DATE) {
|
|
$last_contact = NULL_DATE;
|
|
}
|
|
if ($last_failure < NULL_DATE) {
|
|
$last_failure = NULL_DATE;
|
|
}
|
|
|
|
if (!$force && !self::updateNeeded($gserver["created"], "", $last_failure, $last_contact)) {
|
|
logger("Use cached data for server ".$server_url, LOGGER_DEBUG);
|
|
return ($last_contact >= $last_failure);
|
|
}
|
|
} else {
|
|
$poco = "";
|
|
$noscrape = "";
|
|
$version = "";
|
|
$platform = "";
|
|
$site_name = "";
|
|
$info = "";
|
|
$register_policy = -1;
|
|
$registered_users = 0;
|
|
|
|
$last_contact = NULL_DATE;
|
|
$last_failure = NULL_DATE;
|
|
}
|
|
logger("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$gserver["created"]." Failure: ".$last_failure." Contact: ".$last_contact, LOGGER_DEBUG);
|
|
|
|
$failure = false;
|
|
$possible_failure = false;
|
|
$orig_last_failure = $last_failure;
|
|
$orig_last_contact = $last_contact;
|
|
|
|
// Mastodon uses the "@" for user profiles.
|
|
// But this can be misunderstood.
|
|
if (parse_url($server_url, PHP_URL_USER) != '') {
|
|
dba::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => normalise_link($server_url)]);
|
|
return false;
|
|
}
|
|
|
|
// Check if the page is accessible via SSL.
|
|
$orig_server_url = $server_url;
|
|
$server_url = str_replace("http://", "https://", $server_url);
|
|
|
|
// We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
|
|
$serverret = Network::curl($server_url."/.well-known/host-meta", false, $redirects, ['timeout' => 20]);
|
|
|
|
// Quit if there is a timeout.
|
|
// But we want to make sure to only quit if we are mostly sure that this server url fits.
|
|
if (DBM::is_result($gserver) && ($orig_server_url == $server_url) &&
|
|
($serverret['errno'] == CURLE_OPERATION_TIMEDOUT)) {
|
|
logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG);
|
|
dba::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => normalise_link($server_url)]);
|
|
return false;
|
|
}
|
|
|
|
// Maybe the page is unencrypted only?
|
|
$xmlobj = @simplexml_load_string($serverret["body"], 'SimpleXMLElement', 0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
|
|
if (!$serverret["success"] || ($serverret["body"] == "") || empty($xmlobj) || !is_object($xmlobj)) {
|
|
$server_url = str_replace("https://", "http://", $server_url);
|
|
|
|
// We set the timeout to 20 seconds since this operation should be done in no time if the server was vital
|
|
$serverret = Network::curl($server_url."/.well-known/host-meta", false, $redirects, ['timeout' => 20]);
|
|
|
|
// Quit if there is a timeout
|
|
if ($serverret['errno'] == CURLE_OPERATION_TIMEDOUT) {
|
|
logger("Connection to server ".$server_url." timed out.", LOGGER_DEBUG);
|
|
dba::update('gserver', ['last_failure' => DateTimeFormat::utcNow()], ['nurl' => normalise_link($server_url)]);
|
|
return false;
|
|
}
|
|
|
|
$xmlobj = @simplexml_load_string($serverret["body"], 'SimpleXMLElement', 0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
|
|
}
|
|
|
|
if (!$serverret["success"] || ($serverret["body"] == "") || empty($xmlobj) || !is_object($xmlobj)) {
|
|
// Workaround for bad configured servers (known nginx problem)
|
|
if (!in_array($serverret["debug"]["http_code"], ["403", "404"])) {
|
|
$failure = true;
|
|
}
|
|
$possible_failure = true;
|
|
}
|
|
|
|
// If the server has no possible failure we reset the cached data
|
|
if (!$possible_failure) {
|
|
$version = "";
|
|
$platform = "";
|
|
$site_name = "";
|
|
$info = "";
|
|
$register_policy = -1;
|
|
}
|
|
|
|
if (!$failure) {
|
|
// This will be too low, but better than no value at all.
|
|
$registered_users = dba::count('gcontact', ['server_url' => normalise_link($server_url)]);
|
|
}
|
|
|
|
// Look for poco
|
|
if (!$failure) {
|
|
$serverret = Network::curl($server_url."/poco");
|
|
if ($serverret["success"]) {
|
|
$data = json_decode($serverret["body"]);
|
|
if (isset($data->totalResults)) {
|
|
$registered_users = $data->totalResults;
|
|
$poco = $server_url."/poco";
|
|
$server = self::detectPocoData($data);
|
|
if ($server) {
|
|
$platform = $server['platform'];
|
|
$network = $server['network'];
|
|
$version = '';
|
|
$site_name = '';
|
|
}
|
|
}
|
|
// There are servers out there who don't return 404 on a failure
|
|
// We have to be sure that don't misunderstand this
|
|
if (is_null($data)) {
|
|
$poco = "";
|
|
$noscrape = "";
|
|
$network = "";
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$failure) {
|
|
// Test for Diaspora, Hubzilla, Mastodon or older Friendica servers
|
|
$serverret = Network::curl($server_url);
|
|
|
|
if (!$serverret["success"] || ($serverret["body"] == "")) {
|
|
$failure = true;
|
|
} else {
|
|
$server = self::detectServerType($serverret["body"]);
|
|
if ($server) {
|
|
$platform = $server['platform'];
|
|
$network = $server['network'];
|
|
$version = $server['version'];
|
|
$site_name = $server['site_name'];
|
|
}
|
|
|
|
$lines = explode("\n", $serverret["header"]);
|
|
if (count($lines)) {
|
|
foreach ($lines as $line) {
|
|
$line = trim($line);
|
|
if (stristr($line, 'X-Diaspora-Version:')) {
|
|
$platform = "Diaspora";
|
|
$version = trim(str_replace("X-Diaspora-Version:", "", $line));
|
|
$version = trim(str_replace("x-diaspora-version:", "", $version));
|
|
$network = NETWORK_DIASPORA;
|
|
$versionparts = explode("-", $version);
|
|
$version = $versionparts[0];
|
|
}
|
|
|
|
if (stristr($line, 'Server: Mastodon')) {
|
|
$platform = "Mastodon";
|
|
$network = NETWORK_OSTATUS;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$failure && ($poco == "")) {
|
|
// Test for Statusnet
|
|
// Will also return data for Friendica and GNU Social - but it will be overwritten later
|
|
// The "not implemented" is a special treatment for really, really old Friendica versions
|
|
$serverret = Network::curl($server_url."/api/statusnet/version.json");
|
|
if ($serverret["success"] && ($serverret["body"] != '{"error":"not implemented"}') &&
|
|
($serverret["body"] != '') && (strlen($serverret["body"]) < 30)) {
|
|
$platform = "StatusNet";
|
|
// Remove junk that some GNU Social servers return
|
|
$version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]);
|
|
$version = trim($version, '"');
|
|
$network = NETWORK_OSTATUS;
|
|
}
|
|
|
|
// Test for GNU Social
|
|
$serverret = Network::curl($server_url."/api/gnusocial/version.json");
|
|
if ($serverret["success"] && ($serverret["body"] != '{"error":"not implemented"}') &&
|
|
($serverret["body"] != '') && (strlen($serverret["body"]) < 30)) {
|
|
$platform = "GNU Social";
|
|
// Remove junk that some GNU Social servers return
|
|
$version = str_replace(chr(239).chr(187).chr(191), "", $serverret["body"]);
|
|
$version = trim($version, '"');
|
|
$network = NETWORK_OSTATUS;
|
|
}
|
|
|
|
// Test for Mastodon
|
|
$orig_version = $version;
|
|
$serverret = Network::curl($server_url."/api/v1/instance");
|
|
if ($serverret["success"] && ($serverret["body"] != '')) {
|
|
$data = json_decode($serverret["body"]);
|
|
|
|
if (isset($data->version)) {
|
|
$platform = "Mastodon";
|
|
$version = $data->version;
|
|
$site_name = $data->title;
|
|
$info = $data->description;
|
|
$network = NETWORK_OSTATUS;
|
|
}
|
|
if (!empty($data->stats->user_count)) {
|
|
$registered_users = $data->stats->user_count;
|
|
}
|
|
}
|
|
if (strstr($orig_version.$version, 'Pleroma')) {
|
|
$platform = 'Pleroma';
|
|
$version = trim(str_replace('Pleroma', '', $version));
|
|
}
|
|
}
|
|
|
|
if (!$failure) {
|
|
// Test for Hubzilla and Red
|
|
$serverret = Network::curl($server_url."/siteinfo.json");
|
|
if ($serverret["success"]) {
|
|
$data = json_decode($serverret["body"]);
|
|
if (isset($data->url)) {
|
|
$platform = $data->platform;
|
|
$version = $data->version;
|
|
$network = NETWORK_DIASPORA;
|
|
}
|
|
if (!empty($data->site_name)) {
|
|
$site_name = $data->site_name;
|
|
}
|
|
if (!empty($data->channels_total)) {
|
|
$registered_users = $data->channels_total;
|
|
}
|
|
switch ($data->register_policy) {
|
|
case "REGISTER_OPEN":
|
|
$register_policy = REGISTER_OPEN;
|
|
break;
|
|
case "REGISTER_APPROVE":
|
|
$register_policy = REGISTER_APPROVE;
|
|
break;
|
|
case "REGISTER_CLOSED":
|
|
default:
|
|
$register_policy = REGISTER_CLOSED;
|
|
break;
|
|
}
|
|
} else {
|
|
// Test for Hubzilla, Redmatrix or Friendica
|
|
$serverret = Network::curl($server_url."/api/statusnet/config.json");
|
|
if ($serverret["success"]) {
|
|
$data = json_decode($serverret["body"]);
|
|
if (isset($data->site->server)) {
|
|
if (isset($data->site->platform)) {
|
|
$platform = $data->site->platform->PLATFORM_NAME;
|
|
$version = $data->site->platform->STD_VERSION;
|
|
$network = NETWORK_DIASPORA;
|
|
}
|
|
if (isset($data->site->BlaBlaNet)) {
|
|
$platform = $data->site->BlaBlaNet->PLATFORM_NAME;
|
|
$version = $data->site->BlaBlaNet->STD_VERSION;
|
|
$network = NETWORK_DIASPORA;
|
|
}
|
|
if (isset($data->site->hubzilla)) {
|
|
$platform = $data->site->hubzilla->PLATFORM_NAME;
|
|
$version = $data->site->hubzilla->RED_VERSION;
|
|
$network = NETWORK_DIASPORA;
|
|
}
|
|
if (isset($data->site->redmatrix)) {
|
|
if (isset($data->site->redmatrix->PLATFORM_NAME)) {
|
|
$platform = $data->site->redmatrix->PLATFORM_NAME;
|
|
} elseif (isset($data->site->redmatrix->RED_PLATFORM)) {
|
|
$platform = $data->site->redmatrix->RED_PLATFORM;
|
|
}
|
|
|
|
$version = $data->site->redmatrix->RED_VERSION;
|
|
$network = NETWORK_DIASPORA;
|
|
}
|
|
if (isset($data->site->friendica)) {
|
|
$platform = $data->site->friendica->FRIENDICA_PLATFORM;
|
|
$version = $data->site->friendica->FRIENDICA_VERSION;
|
|
$network = NETWORK_DFRN;
|
|
}
|
|
|
|
$site_name = $data->site->name;
|
|
|
|
$data->site->closed = self::toBoolean($data->site->closed);
|
|
$data->site->private = self::toBoolean($data->site->private);
|
|
$data->site->inviteonly = self::toBoolean($data->site->inviteonly);
|
|
|
|
if (!$data->site->closed && !$data->site->private and $data->site->inviteonly) {
|
|
$register_policy = REGISTER_APPROVE;
|
|
} elseif (!$data->site->closed && !$data->site->private) {
|
|
$register_policy = REGISTER_OPEN;
|
|
} else {
|
|
$register_policy = REGISTER_CLOSED;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix
|
|
if (!$failure) {
|
|
$serverret = Network::curl($server_url."/statistics.json");
|
|
if ($serverret["success"]) {
|
|
$data = json_decode($serverret["body"]);
|
|
|
|
if (isset($data->version)) {
|
|
$version = $data->version;
|
|
// Version numbers on statistics.json are presented with additional info, e.g.:
|
|
// 0.6.3.0-p1702cc1c, 0.6.99.0-p1b9ab160 or 3.4.3-2-1191.
|
|
$version = preg_replace("=(.+)-(.{4,})=ism", "$1", $version);
|
|
}
|
|
|
|
if (!empty($data->name)) {
|
|
$site_name = $data->name;
|
|
}
|
|
|
|
if (!empty($data->network)) {
|
|
$platform = $data->network;
|
|
}
|
|
|
|
if ($platform == "Diaspora") {
|
|
$network = NETWORK_DIASPORA;
|
|
}
|
|
|
|
if ($data->registrations_open) {
|
|
$register_policy = REGISTER_OPEN;
|
|
} else {
|
|
$register_policy = REGISTER_CLOSED;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Query nodeinfo. Working for (at least) Diaspora and Friendica.
|
|
if (!$failure) {
|
|
$server = self::fetchNodeinfo($server_url);
|
|
if ($server) {
|
|
$register_policy = $server['register_policy'];
|
|
|
|
if (isset($server['platform'])) {
|
|
$platform = $server['platform'];
|
|
}
|
|
|
|
if (isset($server['network'])) {
|
|
$network = $server['network'];
|
|
}
|
|
|
|
if (isset($server['version'])) {
|
|
$version = $server['version'];
|
|
}
|
|
|
|
if (isset($server['site_name'])) {
|
|
$site_name = $server['site_name'];
|
|
}
|
|
|
|
if (isset($server['registered-users'])) {
|
|
$registered_users = $server['registered-users'];
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for noscrape
|
|
// Friendica servers could be detected as OStatus servers
|
|
if (!$failure && in_array($network, [NETWORK_DFRN, NETWORK_OSTATUS])) {
|
|
$serverret = Network::curl($server_url."/friendica/json");
|
|
|
|
if (!$serverret["success"]) {
|
|
$serverret = Network::curl($server_url."/friendika/json");
|
|
}
|
|
|
|
if ($serverret["success"]) {
|
|
$data = json_decode($serverret["body"]);
|
|
|
|
if (isset($data->version)) {
|
|
$network = NETWORK_DFRN;
|
|
|
|
$noscrape = defaults($data->no_scrape_url, '');
|
|
$version = $data->version;
|
|
$site_name = $data->site_name;
|
|
$info = $data->info;
|
|
$register_policy = constant($data->register_policy);
|
|
$platform = $data->platform;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Every server has got at least an admin account
|
|
if (!$failure && ($registered_users == 0)) {
|
|
$registered_users = 1;
|
|
}
|
|
|
|
if ($possible_failure && !$failure) {
|
|
$failure = true;
|
|
}
|
|
|
|
if ($failure) {
|
|
$last_contact = $orig_last_contact;
|
|
$last_failure = DateTimeFormat::utcNow();
|
|
} else {
|
|
$last_contact = DateTimeFormat::utcNow();
|
|
$last_failure = $orig_last_failure;
|
|
}
|
|
|
|
if (($last_contact <= $last_failure) && !$failure) {
|
|
logger("Server ".$server_url." seems to be alive, but last contact wasn't set - could be a bug", LOGGER_DEBUG);
|
|
} elseif (($last_contact >= $last_failure) && $failure) {
|
|
logger("Server ".$server_url." seems to be dead, but last failure wasn't set - could be a bug", LOGGER_DEBUG);
|
|
}
|
|
|
|
// Check again if the server exists
|
|
$found = dba::exists('gserver', ['nurl' => normalise_link($server_url)]);
|
|
|
|
$version = strip_tags($version);
|
|
$site_name = strip_tags($site_name);
|
|
$info = strip_tags($info);
|
|
$platform = strip_tags($platform);
|
|
|
|
$fields = ['url' => $server_url, 'version' => $version,
|
|
'site_name' => $site_name, 'info' => $info, 'register_policy' => $register_policy,
|
|
'poco' => $poco, 'noscrape' => $noscrape, 'network' => $network,
|
|
'platform' => $platform, 'registered-users' => $registered_users,
|
|
'last_contact' => $last_contact, 'last_failure' => $last_failure];
|
|
|
|
if ($found) {
|
|
dba::update('gserver', $fields, ['nurl' => normalise_link($server_url)]);
|
|
} elseif (!$failure) {
|
|
$fields['nurl'] = normalise_link($server_url);
|
|
$fields['created'] = DateTimeFormat::utcNow();
|
|
dba::insert('gserver', $fields);
|
|
}
|
|
|
|
if (!$failure && in_array($fields['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
|
|
self::discoverRelay($server_url);
|
|
}
|
|
|
|
logger("End discovery for server " . $server_url, LOGGER_DEBUG);
|
|
|
|
return !$failure;
|
|
}
|
|
|
|
/**
|
|
* @brief Fetch relay data from a given server url
|
|
*
|
|
* @param string $server_url address of the server
|
|
*/
|
|
private static function discoverRelay($server_url)
|
|
{
|
|
logger("Discover relay data for server " . $server_url, LOGGER_DEBUG);
|
|
|
|
$serverret = Network::curl($server_url."/.well-known/x-social-relay");
|
|
if (!$serverret["success"]) {
|
|
return;
|
|
}
|
|
|
|
$data = json_decode($serverret['body']);
|
|
if (!is_object($data)) {
|
|
return;
|
|
}
|
|
|
|
$gserver = dba::selectFirst('gserver', ['id', 'relay-subscribe', 'relay-scope'], ['nurl' => normalise_link($server_url)]);
|
|
if (!DBM::is_result($gserver)) {
|
|
return;
|
|
}
|
|
|
|
if (($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);
|
|
$tags[$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)) {
|
|
$fields['network'] = NETWORK_DIASPORA;
|
|
if (isset($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)) {
|
|
$fields['network'] = NETWORK_DFRN;
|
|
if (isset($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);
|
|
}
|
|
|
|
/**
|
|
* @brief Returns a list of all known servers
|
|
* @return array List of server urls
|
|
*/
|
|
public static function serverlist()
|
|
{
|
|
$r = q(
|
|
"SELECT `url`, `site_name` AS `displayName`, `network`, `platform`, `version` FROM `gserver`
|
|
WHERE `network` IN ('%s', '%s', '%s') AND `last_contact` > `last_failure`
|
|
ORDER BY `last_contact`
|
|
LIMIT 1000",
|
|
dbesc(NETWORK_DFRN),
|
|
dbesc(NETWORK_DIASPORA),
|
|
dbesc(NETWORK_OSTATUS)
|
|
);
|
|
|
|
if (!DBM::is_result($r)) {
|
|
return false;
|
|
}
|
|
|
|
return $r;
|
|
}
|
|
|
|
/**
|
|
* @brief Fetch server list from remote servers and adds them when they are new.
|
|
*
|
|
* @param string $poco URL to the POCO endpoint
|
|
*/
|
|
private static function fetchServerlist($poco)
|
|
{
|
|
$serverret = Network::curl($poco."/@server");
|
|
if (!$serverret["success"]) {
|
|
return;
|
|
}
|
|
$serverlist = json_decode($serverret['body']);
|
|
|
|
if (!is_array($serverlist)) {
|
|
return;
|
|
}
|
|
|
|
foreach ($serverlist as $server) {
|
|
$server_url = str_replace("/index.php", "", $server->url);
|
|
|
|
$r = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
|
|
if (!DBM::is_result($r)) {
|
|
logger("Call server check for server ".$server_url, LOGGER_DEBUG);
|
|
Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", $server_url);
|
|
}
|
|
}
|
|
}
|
|
|
|
private static function discoverFederation()
|
|
{
|
|
$last = Config::get('poco', 'last_federation_discovery');
|
|
|
|
if ($last) {
|
|
$next = $last + (24 * 60 * 60);
|
|
if ($next > time()) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Discover Friendica, Hubzilla and Diaspora servers
|
|
$serverdata = Network::fetchUrl("http://the-federation.info/pods.json");
|
|
|
|
if ($serverdata) {
|
|
$servers = json_decode($serverdata);
|
|
|
|
if (is_array($servers->pods)) {
|
|
foreach ($servers->pods as $server) {
|
|
Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", "https://".$server->host);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Disvover Mastodon servers
|
|
if (!Config::get('system', 'ostatus_disabled')) {
|
|
$accesstoken = Config::get('system', 'instances_social_key');
|
|
if (!empty($accesstoken)) {
|
|
$api = 'https://instances.social/api/1.0/instances/list?count=0';
|
|
$header = ['Authorization: Bearer '.$accesstoken];
|
|
$serverdata = Network::curl($api, false, $redirects, ['headers' => $header]);
|
|
if ($serverdata['success']) {
|
|
$servers = json_decode($serverdata['body']);
|
|
foreach ($servers->instances as $server) {
|
|
$url = (is_null($server->https_score) ? 'http' : 'https').'://'.$server->name;
|
|
Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", $url);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Currently disabled, since the service isn't available anymore.
|
|
// It is not removed since I hope that there will be a successor.
|
|
// Discover GNU Social Servers.
|
|
//if (!Config::get('system','ostatus_disabled')) {
|
|
// $serverdata = "http://gstools.org/api/get_open_instances/";
|
|
|
|
// $result = Network::curl($serverdata);
|
|
// if ($result["success"]) {
|
|
// $servers = json_decode($result["body"]);
|
|
|
|
// foreach($servers->data as $server)
|
|
// self::checkServer($server->instance_address);
|
|
// }
|
|
//}
|
|
|
|
Config::set('poco', 'last_federation_discovery', time());
|
|
}
|
|
|
|
public static function discoverSingleServer($id)
|
|
{
|
|
$r = q("SELECT `poco`, `nurl`, `url`, `network` FROM `gserver` WHERE `id` = %d", intval($id));
|
|
if (!DBM::is_result($r)) {
|
|
return false;
|
|
}
|
|
|
|
$server = $r[0];
|
|
|
|
// Discover new servers out there (Works from Friendica version 3.5.2)
|
|
self::fetchServerlist($server["poco"]);
|
|
|
|
// Fetch all users from the other server
|
|
$url = $server["poco"]."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
|
|
|
|
logger("Fetch all users from the server ".$server["url"], LOGGER_DEBUG);
|
|
|
|
$retdata = Network::curl($url);
|
|
if ($retdata["success"]) {
|
|
$data = json_decode($retdata["body"]);
|
|
|
|
self::discoverServer($data, 2);
|
|
|
|
if (Config::get('system', 'poco_discovery') > 1) {
|
|
$timeframe = Config::get('system', 'poco_discovery_since');
|
|
if ($timeframe == 0) {
|
|
$timeframe = 30;
|
|
}
|
|
|
|
$updatedSince = date(DateTimeFormat::MYSQL, time() - $timeframe * 86400);
|
|
|
|
// Fetch all global contacts from the other server (Not working with Redmatrix and Friendica versions before 3.3)
|
|
$url = $server["poco"]."/@global?updatedSince=".$updatedSince."&fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
|
|
|
|
$success = false;
|
|
|
|
$retdata = Network::curl($url);
|
|
if ($retdata["success"]) {
|
|
logger("Fetch all global contacts from the server ".$server["nurl"], LOGGER_DEBUG);
|
|
$success = self::discoverServer(json_decode($retdata["body"]));
|
|
}
|
|
|
|
if (!$success && (Config::get('system', 'poco_discovery') > 2)) {
|
|
logger("Fetch contacts from users of the server ".$server["nurl"], LOGGER_DEBUG);
|
|
self::discoverServerUsers($data, $server);
|
|
}
|
|
}
|
|
|
|
$fields = ['last_poco_query' => DateTimeFormat::utcNow()];
|
|
dba::update('gserver', $fields, ['nurl' => $server["nurl"]]);
|
|
|
|
return true;
|
|
} else {
|
|
// If the server hadn't replied correctly, then force a sanity check
|
|
self::checkServer($server["url"], $server["network"], true);
|
|
|
|
// If we couldn't reach the server, we will try it some time later
|
|
$fields = ['last_poco_query' => DateTimeFormat::utcNow()];
|
|
dba::update('gserver', $fields, ['nurl' => $server["nurl"]]);
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public static function discover($complete = false)
|
|
{
|
|
// Update the server list
|
|
self::discoverFederation();
|
|
|
|
$no_of_queries = 5;
|
|
|
|
$requery_days = intval(Config::get("system", "poco_requery_days"));
|
|
|
|
if ($requery_days == 0) {
|
|
$requery_days = 7;
|
|
}
|
|
$last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
|
|
|
|
$r = q("SELECT `id`, `url`, `network` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update));
|
|
if (DBM::is_result($r)) {
|
|
foreach ($r as $server) {
|
|
if (!self::checkServer($server["url"], $server["network"])) {
|
|
// The server is not reachable? Okay, then we will try it later
|
|
$fields = ['last_poco_query' => DateTimeFormat::utcNow()];
|
|
dba::update('gserver', $fields, ['nurl' => $server["nurl"]]);
|
|
continue;
|
|
}
|
|
|
|
logger('Update directory from server '.$server['url'].' with ID '.$server['id'], LOGGER_DEBUG);
|
|
Worker::add(PRIORITY_LOW, "DiscoverPoCo", "update_server_directory", (int)$server['id']);
|
|
|
|
if (!$complete && (--$no_of_queries == 0)) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private static function discoverServerUsers($data, $server)
|
|
{
|
|
if (!isset($data->entry)) {
|
|
return;
|
|
}
|
|
|
|
foreach ($data->entry as $entry) {
|
|
$username = "";
|
|
if (isset($entry->urls)) {
|
|
foreach ($entry->urls as $url) {
|
|
if ($url->type == 'profile') {
|
|
$profile_url = $url->value;
|
|
$urlparts = parse_url($profile_url);
|
|
$username = end(explode("/", $urlparts["path"]));
|
|
}
|
|
}
|
|
}
|
|
if ($username != "") {
|
|
logger("Fetch contacts for the user ".$username." from the server ".$server["nurl"], LOGGER_DEBUG);
|
|
|
|
// Fetch all contacts from a given user from the other server
|
|
$url = $server["poco"]."/".$username."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
|
|
|
|
$retdata = Network::curl($url);
|
|
if ($retdata["success"]) {
|
|
self::discoverServer(json_decode($retdata["body"]), 3);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private static function discoverServer($data, $default_generation = 0)
|
|
{
|
|
if (!isset($data->entry) || !count($data->entry)) {
|
|
return false;
|
|
}
|
|
|
|
$success = false;
|
|
|
|
foreach ($data->entry as $entry) {
|
|
$profile_url = '';
|
|
$profile_photo = '';
|
|
$connect_url = '';
|
|
$name = '';
|
|
$network = '';
|
|
$updated = NULL_DATE;
|
|
$location = '';
|
|
$about = '';
|
|
$keywords = '';
|
|
$gender = '';
|
|
$contact_type = -1;
|
|
$generation = $default_generation;
|
|
|
|
$name = $entry->displayName;
|
|
|
|
if (isset($entry->urls)) {
|
|
foreach ($entry->urls as $url) {
|
|
if ($url->type == 'profile') {
|
|
$profile_url = $url->value;
|
|
continue;
|
|
}
|
|
if ($url->type == 'webfinger') {
|
|
$connect_url = str_replace('acct:' , '', $url->value);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($entry->photos)) {
|
|
foreach ($entry->photos as $photo) {
|
|
if ($photo->type == 'profile') {
|
|
$profile_photo = $photo->value;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($entry->updated)) {
|
|
$updated = date(DateTimeFormat::MYSQL, strtotime($entry->updated));
|
|
}
|
|
|
|
if (isset($entry->network)) {
|
|
$network = $entry->network;
|
|
}
|
|
|
|
if (isset($entry->currentLocation)) {
|
|
$location = $entry->currentLocation;
|
|
}
|
|
|
|
if (isset($entry->aboutMe)) {
|
|
$about = HTML::toBBCode($entry->aboutMe);
|
|
}
|
|
|
|
if (isset($entry->gender)) {
|
|
$gender = $entry->gender;
|
|
}
|
|
|
|
if (isset($entry->generation) && ($entry->generation > 0)) {
|
|
$generation = ++$entry->generation;
|
|
}
|
|
|
|
if (isset($entry->contactType) && ($entry->contactType >= 0)) {
|
|
$contact_type = $entry->contactType;
|
|
}
|
|
|
|
if (isset($entry->tags)) {
|
|
foreach ($entry->tags as $tag) {
|
|
$keywords = implode(", ", $tag);
|
|
}
|
|
}
|
|
|
|
if ($generation > 0) {
|
|
$success = true;
|
|
|
|
logger("Store profile ".$profile_url, LOGGER_DEBUG);
|
|
|
|
$gcontact = ["url" => $profile_url,
|
|
"name" => $name,
|
|
"network" => $network,
|
|
"photo" => $profile_photo,
|
|
"about" => $about,
|
|
"location" => $location,
|
|
"gender" => $gender,
|
|
"keywords" => $keywords,
|
|
"connect" => $connect_url,
|
|
"updated" => $updated,
|
|
"contact-type" => $contact_type,
|
|
"generation" => $generation];
|
|
|
|
try {
|
|
$gcontact = GContact::sanitize($gcontact);
|
|
GContact::update($gcontact);
|
|
} catch (Exception $e) {
|
|
logger($e->getMessage(), LOGGER_DEBUG);
|
|
}
|
|
|
|
logger("Done for profile ".$profile_url, LOGGER_DEBUG);
|
|
}
|
|
}
|
|
return $success;
|
|
}
|
|
|
|
}
|