652 lines
18 KiB
PHP
652 lines
18 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 DOMDocument;
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use DOMXPath;
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use Exception;
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use Friendica\Content\Text\HTML;
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use Friendica\Core\Config;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\Worker;
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use Friendica\Database\DBA;
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use Friendica\Model\Contact;
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use Friendica\Model\GContact;
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use Friendica\Model\GServer;
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use Friendica\Model\Profile;
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use Friendica\Module\Register;
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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\Util\Strings;
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use Friendica\Util\XML;
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class PortableContact
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{
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const DISABLED = 0;
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const USERS = 1;
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const USERS_GCONTACTS = 2;
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const USERS_GCONTACTS_FALLBACK = 3;
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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 $url POCO address that should be polled
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*
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* Given a contact-id (minimum), load the PortableContacts friend list for that contact,
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* and add the entries to the gcontact (Global Contact) table, or update existing entries
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* if anything (name or photo) has changed.
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* We use normalised urls for comparison which ignore http vs https and www.domain vs domain
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*
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* Once the global contact is stored add (if necessary) the contact linkage which associates
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* the given uid, cid to the global contact entry. There can be many uid/cid combinations
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* pointing to the same global contact id.
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function loadWorker($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 $url POCO address that should be polled
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function load($cid, $uid, $zcid, $url)
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{
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if ($cid) {
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if (!$url || !$uid) {
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$contact = DBA::selectFirst('contact', ['poco', 'uid'], ['id' => $cid]);
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if (DBA::isResult($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::log('load: ' . $url, Logger::DEBUG);
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$fetchresult = Network::fetchUrlFull($url);
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$s = $fetchresult->getBody();
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Logger::log('load: returns ' . $s, Logger::DATA);
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Logger::log('load: return code: ' . $fetchresult->getReturnCode(), Logger::DEBUG);
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if (($fetchresult->getReturnCode() > 299) || (! $s)) {
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return;
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}
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$j = json_decode($s, true);
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Logger::log('load: json: ' . print_r($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 = DBA::NULL_DATETIME;
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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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if (!empty($entry['displayName'])) {
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$name = $entry['displayName'];
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}
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if (isset($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 $e) {
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Logger::log($e->getMessage(), Logger::DEBUG);
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}
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}
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Logger::log("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', $condition);
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}
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public static function alternateOStatusUrl($url)
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{
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return(preg_match("=https?://.+/user/\d+=ism", $url, $matches));
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}
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public static function updateNeeded($created, $updated, $last_failure, $last_contact)
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{
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$now = strtotime(DateTimeFormat::utcNow());
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if ($updated > $last_contact) {
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$contact_time = strtotime($updated);
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} else {
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$contact_time = strtotime($last_contact);
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}
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$failure_time = strtotime($last_failure);
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$created_time = strtotime($created);
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// If there is no "created" time then use the current time
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if ($created_time <= 0) {
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$created_time = $now;
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}
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// If the last contact was less than 24 hours then don't update
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if (($now - $contact_time) < (60 * 60 * 24)) {
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return false;
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}
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// If the last failure was less than 24 hours then don't update
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if (($now - $failure_time) < (60 * 60 * 24)) {
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return false;
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}
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// If the last contact was less than a week ago and the last failure is older than a week then don't update
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//if ((($now - $contact_time) < (60 * 60 * 24 * 7)) && ($contact_time > $failure_time))
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// return false;
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// If the last contact time was more than a week ago and the contact was created more than a week ago, then only try once a week
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if ((($now - $contact_time) > (60 * 60 * 24 * 7)) && (($now - $created_time) > (60 * 60 * 24 * 7)) && (($now - $failure_time) < (60 * 60 * 24 * 7))) {
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return false;
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}
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// If the last contact time was more than a month ago and the contact was created more than a month ago, then only try once a month
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if ((($now - $contact_time) > (60 * 60 * 24 * 30)) && (($now - $created_time) > (60 * 60 * 24 * 30)) && (($now - $failure_time) < (60 * 60 * 24 * 30))) {
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return false;
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}
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return true;
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}
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/**
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* @brief Returns a list of all known servers
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* @return array List of server urls
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* @throws Exception
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*/
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public static function serverlist()
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{
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$r = q(
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"SELECT `url`, `site_name` AS `displayName`, `network`, `platform`, `version` FROM `gserver`
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WHERE `network` IN ('%s', '%s', '%s') AND `last_contact` > `last_failure`
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ORDER BY `last_contact`
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LIMIT 1000",
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DBA::escape(Protocol::DFRN),
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DBA::escape(Protocol::DIASPORA),
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DBA::escape(Protocol::OSTATUS)
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);
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if (!DBA::isResult($r)) {
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return false;
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}
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return $r;
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}
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/**
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* @brief Fetch server list from remote servers and adds them when they are new.
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*
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* @param string $poco URL to the POCO endpoint
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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private static function fetchServerlist($poco)
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{
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$curlResult = Network::curl($poco . "/@server");
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if (!$curlResult->isSuccess()) {
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return;
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}
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$serverlist = json_decode($curlResult->getBody(), true);
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if (!is_array($serverlist)) {
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return;
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}
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foreach ($serverlist as $server) {
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$server_url = str_replace("/index.php", "", $server['url']);
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$r = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", DBA::escape(Strings::normaliseLink($server_url)));
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if (!DBA::isResult($r)) {
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Logger::log("Call server check for server ".$server_url, Logger::DEBUG);
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Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", $server_url);
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}
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}
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}
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private static function discoverFederation()
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{
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$last = Config::get('poco', 'last_federation_discovery');
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if ($last) {
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$next = $last + (24 * 60 * 60);
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if ($next > time()) {
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return;
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}
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}
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// Discover Friendica, Hubzilla and Diaspora servers
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$curlResult = Network::fetchUrl("http://the-federation.info/pods.json");
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if (!empty($curlResult)) {
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$servers = json_decode($curlResult, true);
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if (!empty($servers['pods'])) {
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foreach ($servers['pods'] as $server) {
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Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", "https://" . $server['host']);
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}
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}
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}
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// Disvover Mastodon servers
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if (!Config::get('system', 'ostatus_disabled')) {
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$accesstoken = Config::get('system', 'instances_social_key');
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if (!empty($accesstoken)) {
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$api = 'https://instances.social/api/1.0/instances/list?count=0';
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$header = ['Authorization: Bearer '.$accesstoken];
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$curlResult = Network::curl($api, false, ['headers' => $header]);
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if ($curlResult->isSuccess()) {
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$servers = json_decode($curlResult->getBody(), true);
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foreach ($servers['instances'] as $server) {
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$url = (is_null($server['https_score']) ? 'http' : 'https') . '://' . $server['name'];
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Worker::add(PRIORITY_LOW, "DiscoverPoCo", "server", $url);
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}
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}
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}
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}
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// Currently disabled, since the service isn't available anymore.
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// It is not removed since I hope that there will be a successor.
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// Discover GNU Social Servers.
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//if (!Config::get('system','ostatus_disabled')) {
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// $serverdata = "http://gstools.org/api/get_open_instances/";
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// $curlResult = Network::curl($serverdata);
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// if ($curlResult->isSuccess()) {
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// $servers = json_decode($result->getBody(), true);
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// foreach($servers['data'] as $server)
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// GServer::check($server['instance_address']);
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// }
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//}
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Config::set('poco', 'last_federation_discovery', time());
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}
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public static function discoverSingleServer($id)
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{
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$server = DBA::selectFirst('gserver', ['poco', 'nurl', 'url', 'network'], ['id' => $id]);
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if (!DBA::isResult($server)) {
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return false;
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}
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// Discover new servers out there (Works from Friendica version 3.5.2)
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self::fetchServerlist($server["poco"]);
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// Fetch all users from the other server
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$url = $server["poco"] . "/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
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Logger::info("Fetch all users from the server " . $server["url"]);
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$curlResult = Network::curl($url);
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if ($curlResult->isSuccess() && !empty($curlResult->getBody())) {
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$data = json_decode($curlResult->getBody(), true);
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if (!empty($data)) {
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self::discoverServer($data, 2);
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}
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if (Config::get('system', 'poco_discovery') >= self::USERS_GCONTACTS) {
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$timeframe = Config::get('system', 'poco_discovery_since');
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if ($timeframe == 0) {
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$timeframe = 30;
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}
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$updatedSince = date(DateTimeFormat::MYSQL, time() - $timeframe * 86400);
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// Fetch all global contacts from the other server (Not working with Redmatrix and Friendica versions before 3.3)
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$url = $server["poco"]."/@global?updatedSince=".$updatedSince."&fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
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$success = false;
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$curlResult = Network::curl($url);
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if ($curlResult->isSuccess() && !empty($curlResult->getBody())) {
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Logger::info("Fetch all global contacts from the server " . $server["nurl"]);
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$data = json_decode($curlResult->getBody(), true);
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if (!empty($data)) {
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$success = self::discoverServer($data);
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}
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}
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if (!$success && !empty($data) && Config::get('system', 'poco_discovery') >= self::USERS_GCONTACTS_FALLBACK) {
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Logger::info("Fetch contacts from users of the server " . $server["nurl"]);
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self::discoverServerUsers($data, $server);
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}
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}
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$fields = ['last_poco_query' => DateTimeFormat::utcNow()];
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DBA::update('gserver', $fields, ['nurl' => $server["nurl"]]);
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return true;
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} else {
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// If the server hadn't replied correctly, then force a sanity check
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GServer::check($server["url"], $server["network"], true);
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// If we couldn't reach the server, we will try it some time later
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$fields = ['last_poco_query' => DateTimeFormat::utcNow()];
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DBA::update('gserver', $fields, ['nurl' => $server["nurl"]]);
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return false;
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}
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}
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public static function discover($complete = false)
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{
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// Update the server list
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self::discoverFederation();
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$no_of_queries = 5;
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$requery_days = intval(Config::get('system', 'poco_requery_days'));
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if ($requery_days == 0) {
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$requery_days = 7;
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}
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$last_update = date('c', time() - (60 * 60 * 24 * $requery_days));
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$gservers = q("SELECT `id`, `url`, `nurl`, `network`
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FROM `gserver`
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WHERE `last_contact` >= `last_failure`
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AND `poco` != ''
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AND `last_poco_query` < '%s'
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ORDER BY RAND()", DBA::escape($last_update)
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);
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if (DBA::isResult($gservers)) {
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foreach ($gservers as $gserver) {
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if (!GServer::check($gserver['url'], $gserver['network'])) {
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// The server is not reachable? Okay, then we will try it later
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$fields = ['last_poco_query' => DateTimeFormat::utcNow()];
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DBA::update('gserver', $fields, ['nurl' => $gserver['nurl']]);
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continue;
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}
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Logger::log('Update directory from server ' . $gserver['url'] . ' with ID ' . $gserver['id'], Logger::DEBUG);
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Worker::add(PRIORITY_LOW, 'DiscoverPoCo', 'update_server_directory', (int) $gserver['id']);
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if (!$complete && ( --$no_of_queries == 0)) {
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break;
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}
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}
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}
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}
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private static function discoverServerUsers(array $data, array $server)
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{
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if (!isset($data['entry'])) {
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return;
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}
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foreach ($data['entry'] as $entry) {
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$username = '';
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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 = $url['value'];
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$path_array = explode('/', parse_url($profile_url, PHP_URL_PATH));
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$username = end($path_array);
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}
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}
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}
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|
|
if ($username != '') {
|
|
Logger::log('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';
|
|
|
|
$curlResult = Network::curl($url);
|
|
|
|
if ($curlResult->isSuccess()) {
|
|
$data = json_decode($curlResult->getBody(), true);
|
|
|
|
if (!empty($data)) {
|
|
self::discoverServer($data, 3);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private static function discoverServer(array $data, $default_generation = 0)
|
|
{
|
|
if (empty($data['entry'])) {
|
|
return false;
|
|
}
|
|
|
|
$success = false;
|
|
|
|
foreach ($data['entry'] as $entry) {
|
|
$profile_url = '';
|
|
$profile_photo = '';
|
|
$connect_url = '';
|
|
$name = '';
|
|
$network = '';
|
|
$updated = DBA::NULL_DATETIME;
|
|
$location = '';
|
|
$about = '';
|
|
$keywords = '';
|
|
$gender = '';
|
|
$contact_type = -1;
|
|
$generation = $default_generation;
|
|
|
|
if (!empty($entry['displayName'])) {
|
|
$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) {
|
|
$success = true;
|
|
|
|
Logger::log("Store profile ".$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 $e) {
|
|
Logger::log($e->getMessage(), Logger::DEBUG);
|
|
}
|
|
|
|
Logger::log("Done for profile ".$profile_url, Logger::DEBUG);
|
|
}
|
|
}
|
|
return $success;
|
|
}
|
|
|
|
}
|