Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file src/Model/GlobalContact.php
* @brief This file includes the GlobalContact class with directory related functions
*/
namespace Friendica\Model;
use DOMDocument;
use DOMXPath;
use Exception;
use Friendica\Core\Config;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\System;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\Network\Probe;
use Friendica\Protocol\ActivityPub;
use Friendica\Protocol\PortableContact;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
use Friendica\Util\Strings;
/**
* @brief This class handles GlobalContact related functions
*/
class GContact
{
/**
* @brief Search global contact table by nick or name
*
* @param string $search Name or nick
* @param string $mode Search mode (e.g. "community")
*
* @return array with search results
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function searchByName($search, $mode = '')
{
if (empty($search)) {
return [];
}
// check supported networks
if (Config::get('system', 'diaspora_enabled')) {
$diaspora = Protocol::DIASPORA;
} else {
$diaspora = Protocol::DFRN;
}
if (!Config::get('system', 'ostatus_disabled')) {
$ostatus = Protocol::OSTATUS;
} else {
$ostatus = Protocol::DFRN;
}
// check if we search only communities or every contact
if ($mode === "community") {
$extra_sql = " AND `community`";
} else {
$extra_sql = "";
}
$search .= "%";
$results = DBA::p("SELECT `nurl` FROM `gcontact`
WHERE NOT `hide` AND `network` IN (?, ?, ?, ?) AND
((`last_contact` >= `last_failure`) OR (`updated` >= `last_failure`)) AND
(`addr` LIKE ? OR `name` LIKE ? OR `nick` LIKE ?) $extra_sql
GROUP BY `nurl` ORDER BY `nurl` DESC LIMIT 1000",
Protocol::DFRN, Protocol::ACTIVITYPUB, $ostatus, $diaspora, $search, $search, $search
);
$gcontacts = [];
while ($result = DBA::fetch($results)) {
$urlparts = parse_url($result["nurl"]);
// Ignore results that look strange.
// For historic reasons the gcontact table does contain some garbage.
if (!empty($urlparts['query']) || !empty($urlparts['fragment'])) {
continue;
}
$gcontacts[] = Contact::getDetailsByURL($result["nurl"], local_user());
}
return $gcontacts;
}
/**
* @brief Link the gcontact entry with user, contact and global contact
*
* @param integer $gcid Global contact ID
* @param integer $uid User ID
* @param integer $cid Contact ID
* @param integer $zcid Global Contact ID
* @return void
* @throws Exception
*/
public static function link($gcid, $uid = 0, $cid = 0, $zcid = 0)
{
if ($gcid <= 0) {
return;
}
$condition = ['cid' => $cid, 'uid' => $uid, 'gcid' => $gcid, 'zcid' => $zcid];
DBA::update('glink', ['updated' => DateTimeFormat::utcNow()], $condition, true);
}
/**
* @brief Sanitize the given gcontact data
*
* Generation:
* 0: No definition
* 1: Profiles on this server
* 2: Contacts of profiles on this server
* 3: Contacts of contacts of profiles on this server
* 4: ...
*
* @param array $gcontact array with gcontact data
* @return array $gcontact
* @throws Exception
*/
public static function sanitize($gcontact)
{
if ($gcontact['url'] == "") {
throw new Exception('URL is empty');
}
$urlparts = parse_url($gcontact['url']);
if (!isset($urlparts["scheme"])) {
throw new Exception("This (".$gcontact['url'].") doesn't seem to be an url.");
}
if (in_array($urlparts["host"], ["twitter.com", "identi.ca"])) {
throw new Exception('Contact from a non federated network ignored. ('.$gcontact['url'].')');
}
// Don't store the statusnet connector as network
// We can't simply set this to Protocol::OSTATUS since the connector could have fetched posts from friendica as well
if ($gcontact['network'] == Protocol::STATUSNET) {
$gcontact['network'] = "";
}
// Assure that there are no parameter fragments in the profile url
if (empty($gcontact["network"]) || in_array($gcontact["network"], Protocol::FEDERATED)) {
$gcontact['url'] = self::cleanContactUrl($gcontact['url']);
}
$alternate = PortableContact::alternateOStatusUrl($gcontact['url']);
// The global contacts should contain the original picture, not the cached one
if (($gcontact['generation'] != 1) && stristr(Strings::normaliseLink($gcontact['photo']), Strings::normaliseLink(System::baseUrl()."/photo/"))) {
$gcontact['photo'] = "";
}
if (!isset($gcontact['network'])) {
$condition = ["`uid` = 0 AND `nurl` = ? AND `network` != '' AND `network` != ?",
Strings::normaliseLink($gcontact['url']), Protocol::STATUSNET];
$contact = DBA::selectFirst('contact', ['network'], $condition);
if (DBA::isResult($contact)) {
$gcontact['network'] = $contact["network"];
}
if (($gcontact['network'] == "") || ($gcontact['network'] == Protocol::OSTATUS)) {
$condition = ["`uid` = 0 AND `alias` IN (?, ?) AND `network` != '' AND `network` != ?",
$gcontact['url'], Strings::normaliseLink($gcontact['url']), Protocol::STATUSNET];
$contact = DBA::selectFirst('contact', ['network'], $condition);
if (DBA::isResult($contact)) {
$gcontact['network'] = $contact["network"];
}
}
}
$gcontact['server_url'] = '';
$gcontact['network'] = '';
$fields = ['network', 'updated', 'server_url', 'url', 'addr'];
$gcnt = DBA::selectFirst('gcontact', $fields, ['nurl' => Strings::normaliseLink($gcontact['url'])]);
if (DBA::isResult($gcnt)) {
if (!isset($gcontact['network']) && ($gcnt["network"] != Protocol::STATUSNET)) {
$gcontact['network'] = $gcnt["network"];
}
if ($gcontact['updated'] <= DBA::NULL_DATETIME) {
$gcontact['updated'] = $gcnt["updated"];
}
if (!isset($gcontact['server_url']) && (Strings::normaliseLink($gcnt["server_url"]) != Strings::normaliseLink($gcnt["url"]))) {
$gcontact['server_url'] = $gcnt["server_url"];
}
if (!isset($gcontact['addr'])) {
$gcontact['addr'] = $gcnt["addr"];
}
}
if ((!isset($gcontact['network']) || !isset($gcontact['name']) || !isset($gcontact['addr']) || !isset($gcontact['photo']) || !isset($gcontact['server_url']) || $alternate)
&& GServer::reachable($gcontact['url'], $gcontact['server_url'], $gcontact['network'], false)
) {
$data = Probe::uri($gcontact['url']);
if ($data["network"] == Protocol::PHANTOM) {
throw new Exception('Probing for URL '.$gcontact['url'].' failed');
}
$orig_profile = $gcontact['url'];
$gcontact["server_url"] = $data["baseurl"];
$gcontact = array_merge($gcontact, $data);
if ($alternate && ($gcontact['network'] == Protocol::OSTATUS)) {
// Delete the old entry - if it exists
if (DBA::exists('gcontact', ['nurl' => Strings::normaliseLink($orig_profile)])) {
DBA::delete('gcontact', ['nurl' => Strings::normaliseLink($orig_profile)]);
}
}
}
if (!isset($gcontact['name']) || !isset($gcontact['photo'])) {
throw new Exception('No name and photo for URL '.$gcontact['url']);
}
if (!in_array($gcontact['network'], Protocol::FEDERATED)) {
throw new Exception('No federated network ('.$gcontact['network'].') detected for URL '.$gcontact['url']);
}
if (!isset($gcontact['server_url'])) {
// We check the server url to be sure that it is a real one
$server_url = Contact::getBasepath($gcontact['url']);
// We are now sure that it is a correct URL. So we use it in the future
if ($server_url != "") {
$gcontact['server_url'] = $server_url;
}
}
// The server URL doesn't seem to be valid, so we don't store it.
if (!GServer::check($gcontact['server_url'], $gcontact['network'])) {
$gcontact['server_url'] = "";
}
return $gcontact;
}
/**
* @param integer $uid id
* @param integer $cid id
* @return integer
* @throws Exception
*/
public static function countCommonFriends($uid, $cid)
{
$r = q(
"SELECT count(*) as `total`
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR
(`gcontact`.`updated` >= `gcontact`.`last_failure`))
AND `gcontact`.`nurl` IN (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ",
intval($cid),
intval($uid),
intval($uid),
intval($cid)
);
// Logger::log("countCommonFriends: $uid $cid {$r[0]['total']}");
if (DBA::isResult($r)) {
return $r[0]['total'];
}
return 0;
}
/**
* @param integer $uid id
* @param integer $zcid zcid
* @return integer
* @throws Exception
*/
public static function countCommonFriendsZcid($uid, $zcid)
{
$r = q(
"SELECT count(*) as `total`
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`zcid` = %d
and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) ",
intval($zcid),
intval($uid)
);
if (DBA::isResult($r)) {
return $r[0]['total'];
}
return 0;
}
/**
* @param integer $uid user
* @param integer $cid cid
* @param integer $start optional, default 0
* @param integer $limit optional, default 9999
* @param boolean $shuffle optional, default false
* @return object
* @throws Exception
*/
public static function commonFriends($uid, $cid, $start = 0, $limit = 9999, $shuffle = false)
{
if ($shuffle) {
$sql_extra = " order by rand() ";
} else {
$sql_extra = " order by `gcontact`.`name` asc ";
}
$r = q(
"SELECT `gcontact`.*, `contact`.`id` AS `cid`
FROM `glink`
INNER JOIN `gcontact` ON `glink`.`gcid` = `gcontact`.`id`
INNER JOIN `contact` ON `gcontact`.`nurl` = `contact`.`nurl`
WHERE `glink`.`cid` = %d and `glink`.`uid` = %d
AND `contact`.`uid` = %d AND `contact`.`self` = 0 AND `contact`.`blocked` = 0
AND `contact`.`hidden` = 0 AND `contact`.`id` != %d
AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
$sql_extra LIMIT %d, %d",
intval($cid),
intval($uid),
intval($uid),
intval($cid),
intval($start),
intval($limit)
);
/// @TODO Check all calling-findings of this function if they properly use DBA::isResult()
return $r;
}
/**
* @param integer $uid user
* @param integer $zcid zcid
* @param integer $start optional, default 0
* @param integer $limit optional, default 9999
* @param boolean $shuffle optional, default false
* @return object
* @throws Exception
*/
public static function commonFriendsZcid($uid, $zcid, $start = 0, $limit = 9999, $shuffle = false)
{
if ($shuffle) {
$sql_extra = " order by rand() ";
} else {
$sql_extra = " order by `gcontact`.`name` asc ";
}
$r = q(
"SELECT `gcontact`.*
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`zcid` = %d
and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 )
$sql_extra limit %d, %d",
intval($zcid),
intval($uid),
intval($start),
intval($limit)
);
/// @TODO Check all calling-findings of this function if they properly use DBA::isResult()
return $r;
}
/**
* @param integer $uid user
* @param integer $cid cid
* @return integer
* @throws Exception
*/
public static function countAllFriends($uid, $cid)
{
$r = q(
"SELECT count(*) as `total`
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`cid` = %d and `glink`.`uid` = %d AND
((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))",
intval($cid),
intval($uid)
);
if (DBA::isResult($r)) {
return $r[0]['total'];
}
return 0;
}
/**
* @param integer $uid user
* @param integer $cid cid
* @param integer $start optional, default 0
* @param integer $limit optional, default 80
* @return array
* @throws Exception
*/
public static function allFriends($uid, $cid, $start = 0, $limit = 80)
{
$r = q(
"SELECT `gcontact`.*, `contact`.`id` AS `cid`
FROM `glink`
INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
LEFT JOIN `contact` ON `contact`.`nurl` = `gcontact`.`nurl` AND `contact`.`uid` = %d
WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
ORDER BY `gcontact`.`name` ASC LIMIT %d, %d ",
intval($uid),
intval($cid),
intval($uid),
intval($start),
intval($limit)
);
/// @TODO Check all calling-findings of this function if they properly use DBA::isResult()
return $r;
}
/**
* @param int $uid user
* @param integer $start optional, default 0
* @param integer $limit optional, default 80
* @return array
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function suggestionQuery($uid, $start = 0, $limit = 80)
{
if (!$uid) {
return [];
}
/*
* Uncommented because the result of the queries are to big to store it in the cache.
* We need to decide if we want to change the db column type or if we want to delete it.
*/
//$list = Cache::get("suggestion_query:".$uid.":".$start.":".$limit);
//if (!is_null($list)) {
// return $list;
//}
$network = [Protocol::DFRN, Protocol::ACTIVITYPUB];
if (Config::get('system', 'diaspora_enabled')) {
$network[] = Protocol::DIASPORA;
}
if (!Config::get('system', 'ostatus_disabled')) {
$network[] = Protocol::OSTATUS;
}
$sql_network = implode("', '", $network);
$sql_network = "'".$sql_network."'";
/// @todo This query is really slow
// By now we cache the data for five minutes
$r = q(
"SELECT count(glink.gcid) as `total`, gcontact.* from gcontact
INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d )
AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
AND `gcontact`.`updated` >= '%s' AND NOT `gcontact`.`hide`
AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
AND `gcontact`.`network` IN (%s)
GROUP BY `glink`.`gcid` ORDER BY `gcontact`.`updated` DESC,`total` DESC LIMIT %d, %d",
intval($uid),
intval($uid),
intval($uid),
intval($uid),
DBA::NULL_DATETIME,
$sql_network,
intval($start),
intval($limit)
);
if (DBA::isResult($r) && count($r) >= ($limit -1)) {
/*
* Uncommented because the result of the queries are to big to store it in the cache.
* We need to decide if we want to change the db column type or if we want to delete it.
*/
//Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $r, Cache::FIVE_MINUTES);
return $r;
}
$r2 = q(
"SELECT gcontact.* FROM gcontact
INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
WHERE `glink`.`uid` = 0 AND `glink`.`cid` = 0 AND `glink`.`zcid` = 0 AND NOT `gcontact`.`nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` = %d)
AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
AND `gcontact`.`updated` >= '%s'
AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
AND `gcontact`.`network` IN (%s)
ORDER BY rand() LIMIT %d, %d",
intval($uid),
intval($uid),
intval($uid),
DBA::NULL_DATETIME,
$sql_network,
intval($start),
intval($limit)
);
$list = [];
foreach ($r2 as $suggestion) {
$list[$suggestion["nurl"]] = $suggestion;
}
foreach ($r as $suggestion) {
$list[$suggestion["nurl"]] = $suggestion;
}
while (sizeof($list) > ($limit)) {
array_pop($list);
}
/*
* Uncommented because the result of the queries are to big to store it in the cache.
* We need to decide if we want to change the db column type or if we want to delete it.
*/
//Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $list, Cache::FIVE_MINUTES);
return $list;
}
/**
* @return void
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function updateSuggestions()
{
$done = [];
/// @TODO Check if it is really neccessary to poll the own server
PortableContact::loadWorker(0, 0, 0, System::baseUrl() . '/poco');
$done[] = System::baseUrl() . '/poco';
if (strlen(Config::get('system', 'directory'))) {
$x = Network::fetchUrl(get_server()."/pubsites");
if (!empty($x)) {
$j = json_decode($x);
if (!empty($j->entries)) {
foreach ($j->entries as $entry) {
GServer::check($entry->url);
$url = $entry->url . '/poco';
if (!in_array($url, $done)) {
PortableContact::loadWorker(0, 0, 0, $url);
$done[] = $url;
}
}
}
}
}
// Query your contacts from Friendica and Redmatrix/Hubzilla for their contacts
$r = q(
"SELECT DISTINCT(`poco`) AS `poco` FROM `contact` WHERE `network` IN ('%s', '%s')",
DBA::escape(Protocol::DFRN),
DBA::escape(Protocol::DIASPORA)
);
if (DBA::isResult($r)) {
foreach ($r as $rr) {
$base = substr($rr['poco'], 0, strrpos($rr['poco'], '/'));
if (! in_array($base, $done)) {
PortableContact::loadWorker(0, 0, 0, $base);
}
}
}
}
/**
* @brief Removes unwanted parts from a contact url
*
* @param string $url Contact url
*
* @return string Contact url with the wanted parts
* @throws Exception
*/
public static function cleanContactUrl($url)
{
$parts = parse_url($url);
if (!isset($parts["scheme"]) || !isset($parts["host"])) {
return $url;
}
$new_url = $parts["scheme"]."://".$parts["host"];
if (isset($parts["port"])) {
$new_url .= ":".$parts["port"];
}
if (isset($parts["path"])) {
$new_url .= $parts["path"];
}
if ($new_url != $url) {
Logger::log("Cleaned contact url ".$url." to ".$new_url." - Called by: ".System::callstack(), Logger::DEBUG);
}
return $new_url;
}
/**
* @brief Replace alternate OStatus user format with the primary one
*
* @param array $contact contact array (called by reference)
* @return void
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function fixAlternateContactAddress(&$contact)
{
if (($contact["network"] == Protocol::OSTATUS) && PortableContact::alternateOStatusUrl($contact["url"])) {
$data = Probe::uri($contact["url"]);
if ($contact["network"] == Protocol::OSTATUS) {
Logger::log("Fix primary url from ".$contact["url"]." to ".$data["url"]." - Called by: ".System::callstack(), Logger::DEBUG);
$contact["url"] = $data["url"];
$contact["addr"] = $data["addr"];
$contact["alias"] = $data["alias"];
$contact["server_url"] = $data["baseurl"];
}
}
}
/**
* @brief Fetch the gcontact id, add an entry if not existed
*
* @param array $contact contact array
*
* @return bool|int Returns false if not found, integer if contact was found
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function getId($contact)
{
$gcontact_id = 0;
$doprobing = false;
$last_failure_str = '';
$last_contact_str = '';
if (empty($contact["network"])) {
Logger::log("Empty network for contact url ".$contact["url"]." - Called by: ".System::callstack(), Logger::DEBUG);
return false;
}
if (in_array($contact["network"], [Protocol::PHANTOM])) {
Logger::log("Invalid network for contact url ".$contact["url"]." - Called by: ".System::callstack(), Logger::DEBUG);
return false;
}
if ($contact["network"] == Protocol::STATUSNET) {
$contact["network"] = Protocol::OSTATUS;
}
// All new contacts are hidden by default
if (!isset($contact["hide"])) {
$contact["hide"] = true;
}
// Replace alternate OStatus user format with the primary one
self::fixAlternateContactAddress($contact);
// Remove unwanted parts from the contact url (e.g. "?zrl=...")
if (in_array($contact["network"], Protocol::FEDERATED)) {
$contact["url"] = self::cleanContactUrl($contact["url"]);
}
DBA::lock('gcontact');
$fields = ['id', 'last_contact', 'last_failure', 'network'];
$gcnt = DBA::selectFirst('gcontact', $fields, ['nurl' => Strings::normaliseLink($contact["url"])]);
if (DBA::isResult($gcnt)) {
$gcontact_id = $gcnt["id"];
// Update every 90 days
if (in_array($gcnt["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""])) {
$last_failure_str = $gcnt["last_failure"];
$last_failure = strtotime($gcnt["last_failure"]);
$last_contact_str = $gcnt["last_contact"];
$last_contact = strtotime($gcnt["last_contact"]);
$doprobing = (((time() - $last_contact) > (90 * 86400)) && ((time() - $last_failure) > (90 * 86400)));
}
} else {
$contact['location'] = $contact['location'] ?? '';
$contact['about'] = $contact['about'] ?? '';
$contact['generation'] = $contact['generation'] ?? 0;
q(
"INSERT INTO `gcontact` (`name`, `nick`, `addr` , `network`, `url`, `nurl`, `photo`, `created`, `updated`, `location`, `about`, `hide`, `generation`)
VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d)",
DBA::escape($contact["name"]),
DBA::escape($contact["nick"]),
DBA::escape($contact["addr"]),
DBA::escape($contact["network"]),
DBA::escape($contact["url"]),
DBA::escape(Strings::normaliseLink($contact["url"])),
DBA::escape($contact["photo"]),
DBA::escape(DateTimeFormat::utcNow()),
DBA::escape(DateTimeFormat::utcNow()),
DBA::escape($contact["location"]),
DBA::escape($contact["about"]),
intval($contact["hide"]),
intval($contact["generation"])
);
$condition = ['nurl' => Strings::normaliseLink($contact["url"])];
$cnt = DBA::selectFirst('gcontact', ['id', 'network'], $condition, ['order' => ['id']]);
if (DBA::isResult($cnt)) {
$gcontact_id = $cnt["id"];
$doprobing = in_array($cnt["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""]);
}
}
DBA::unlock();
if ($doprobing) {
Logger::log("Last Contact: ". $last_contact_str." - Last Failure: ".$last_failure_str." - Checking: ".$contact["url"], Logger::DEBUG);
Worker::add(PRIORITY_LOW, 'GProbe', $contact["url"]);
}
return $gcontact_id;
}
/**
* @brief Updates the gcontact table from a given array
*
* @param array $contact contact array
*
* @return bool|int Returns false if not found, integer if contact was found
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function update($contact)
{
// Check for invalid "contact-type" value
if (isset($contact['contact-type']) && (intval($contact['contact-type']) < 0)) {
$contact['contact-type'] = 0;
}
/// @todo update contact table as well
$gcontact_id = self::getId($contact);
if (!$gcontact_id) {
return false;
}
$public_contact = DBA::selectFirst('gcontact', [
'name', 'nick', 'photo', 'location', 'about', 'addr', 'generation', 'birthday', 'gender', 'keywords',
'contact-type', 'hide', 'nsfw', 'network', 'alias', 'notify', 'server_url', 'connect', 'updated', 'url'
], ['id' => $gcontact_id]);
if (!DBA::isResult($public_contact)) {
return false;
}
// Get all field names
$fields = [];
foreach ($public_contact as $field => $data) {
$fields[$field] = $data;
}
unset($fields['url']);
unset($fields['updated']);
unset($fields['hide']);
// Bugfix: We had an error in the storing of keywords which lead to the "0"
// This value is still transmitted via poco.
if (isset($contact['keywords']) && ($contact['keywords'] == '0')) {
unset($contact['keywords']);
}
if (isset($public_contact['keywords']) && ($public_contact['keywords'] == '0')) {
$public_contact['keywords'] = '';
}
// assign all unassigned fields from the database entry
foreach ($fields as $field => $data) {
if (empty($contact[$field])) {
$contact[$field] = $public_contact[$field];
}
}
if (!isset($contact['hide'])) {
$contact['hide'] = $public_contact['hide'];
}
$fields['hide'] = $public_contact['hide'];
if ($contact['network'] == Protocol::STATUSNET) {
$contact['network'] = Protocol::OSTATUS;
}
// Replace alternate OStatus user format with the primary one
self::fixAlternateContactAddress($contact);
if (!isset($contact['updated'])) {
$contact['updated'] = DateTimeFormat::utcNow();
}
if ($contact['network'] == Protocol::TWITTER) {
$contact['server_url'] = 'http://twitter.com';
}
if (empty($contact['server_url'])) {
$data = Probe::uri($contact['url']);
if ($data['network'] != Protocol::PHANTOM) {
$contact['server_url'] = $data['baseurl'];
}
} else {
$contact['server_url'] = Strings::normaliseLink($contact['server_url']);
}
if (empty($contact['addr']) && !empty($contact['server_url']) && !empty($contact['nick'])) {
$hostname = str_replace('http://', '', $contact['server_url']);
$contact['addr'] = $contact['nick'] . '@' . $hostname;
}
// Check if any field changed
$update = false;
unset($fields['generation']);
if ((($contact['generation'] > 0) && ($contact['generation'] <= $public_contact['generation'])) || ($public_contact['generation'] == 0)) {
foreach ($fields as $field => $data) {
if ($contact[$field] != $public_contact[$field]) {
Logger::debug('Difference found.', ['contact' => $contact["url"], 'field' => $field, 'new' => $contact[$field], 'old' => $public_contact[$field]]);
$update = true;
}
}
if ($contact['generation'] < $public_contact['generation']) {
Logger::debug('Difference found.', ['contact' => $contact["url"], 'field' => 'generation', 'new' => $contact['generation'], 'old' => $public_contact['generation']]);
$update = true;
}
}
if ($update) {
Logger::debug('Update gcontact.', ['contact' => $contact['url']]);
$condition = ['`nurl` = ? AND (`generation` = 0 OR `generation` >= ?)',
Strings::normaliseLink($contact["url"]), $contact["generation"]];
$contact["updated"] = DateTimeFormat::utc($contact["updated"]);
$updated = [
'photo' => $contact['photo'], 'name' => $contact['name'],
'nick' => $contact['nick'], 'addr' => $contact['addr'],
'network' => $contact['network'], 'birthday' => $contact['birthday'],
'gender' => $contact['gender'], 'keywords' => $contact['keywords'],
'hide' => $contact['hide'], 'nsfw' => $contact['nsfw'],
'contact-type' => $contact['contact-type'], 'alias' => $contact['alias'],
'notify' => $contact['notify'], 'url' => $contact['url'],
'location' => $contact['location'], 'about' => $contact['about'],
'generation' => $contact['generation'], 'updated' => $contact['updated'],
'server_url' => $contact['server_url'], 'connect' => $contact['connect']
];
DBA::update('gcontact', $updated, $condition, $fields);
}
return $gcontact_id;
}
/**
* Set the last date that the contact had posted something
*
* @param string $data Probing result
* @param bool $force force updating
*/
public static function setLastUpdate(array $data, bool $force = false)
{
// Fetch the global contact
$gcontact = DBA::selectFirst('gcontact', ['created', 'updated', 'last_contact', 'last_failure'],
['nurl' => Strings::normaliseLink($data['url'])]);
if (!DBA::isResult($gcontact)) {
return;
}
if (!$force && !PortableContact::updateNeeded($gcontact['created'], $gcontact['updated'], $gcontact['last_failure'], $gcontact['last_contact'])) {
Logger::info("Don't update profile", ['url' => $data['url'], 'updated' => $gcontact['updated']]);
return;
}
if (self::updateFromNoScrape($data)) {
return;
}
// When the profile doesn't have got a feed, then we exit here
if (empty($data['poll'])) {
return;
}
if ($data['network'] == Protocol::ACTIVITYPUB) {
self::updateFromOutbox($data['poll'], $data);
} else {
self::updateFromFeed($data);
}
}
/**
* Update a global contact via the "noscrape" endpoint
*
* @param string $data Probing result
*
* @return bool 'true' if update was successful or the server was unreachable
*/
private static function updateFromNoScrape(array $data)
{
// Check the 'noscrape' endpoint when it is a Friendica server
$gserver = DBA::selectFirst('gserver', ['noscrape'], ["`nurl` = ? AND `noscrape` != ''",
Strings::normaliseLink($data['baseurl'])]);
if (!DBA::isResult($gserver)) {
return false;
}
$curlResult = Network::curl($gserver['noscrape'] . '/' . $data['nick']);
if ($curlResult->isSuccess() && !empty($curlResult->getBody())) {
$noscrape = json_decode($curlResult->getBody(), true);
if (!empty($noscrape)) {
$noscrape['updated'] = DateTimeFormat::utc($noscrape['updated'], DateTimeFormat::MYSQL);
$fields = ['last_contact' => DateTimeFormat::utcNow(), 'updated' => $noscrape['updated']];
DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
return true;
}
} elseif ($curlResult->isTimeout()) {
// On a timeout return the existing value, but mark the contact as failure
$fields = ['last_failure' => DateTimeFormat::utcNow()];
DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
return true;
}
return false;
}
/**
* Update a global contact via an ActivityPub Outbox
*
* @param string $data Probing result
*/
private static function updateFromOutbox(string $feed, array $data)
{
$outbox = ActivityPub::fetchContent($feed);
if (empty($outbox)) {
return;
}
if (!empty($outbox['orderedItems'])) {
$items = $outbox['orderedItems'];
} elseif (!empty($outbox['first']['orderedItems'])) {
$items = $outbox['first']['orderedItems'];
} elseif (!empty($outbox['first'])) {
self::updateFromOutbox($outbox['first'], $data);
return;
} else {
$items = [];
}
$last_updated = '';
foreach ($items as $activity) {
if ($last_updated < $activity['published']) {
$last_updated = $activity['published'];
}
}
if (empty($last_updated)) {
return;
}
$fields = ['last_contact' => DateTimeFormat::utcNow(), 'updated' => $last_updated];
DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
}
/**
* Update a global contact via an XML feed
*
* @param string $data Probing result
*/
private static function updateFromFeed(array $data)
{
// Search for the newest entry in the feed
$curlResult = Network::curl($data['poll']);
if (!$curlResult->isSuccess()) {
$fields = ['last_failure' => DateTimeFormat::utcNow()];
DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($profile)]);
Logger::info("Profile wasn't reachable (no feed)", ['url' => $data['url']]);
return;
}
$doc = new DOMDocument();
@$doc->loadXML($curlResult->getBody());
$xpath = new DOMXPath($doc);
$xpath->registerNamespace('atom', 'http://www.w3.org/2005/Atom');
$entries = $xpath->query('/atom:feed/atom:entry');
$last_updated = '';
foreach ($entries as $entry) {
$published_item = $xpath->query('atom:published/text()', $entry)->item(0);
$updated_item = $xpath->query('atom:updated/text()' , $entry)->item(0);
$published = !empty($published_item->nodeValue) ? DateTimeFormat::utc($published_item->nodeValue) : null;
$updated = !empty($updated_item->nodeValue) ? DateTimeFormat::utc($updated_item->nodeValue) : null;
if (empty($published) || empty($updated)) {
Logger::notice('Invalid entry for XPath.', ['entry' => $entry, 'url' => $data['url']]);
continue;
}
if ($last_updated < $published) {
$last_updated = $published;
}
if ($last_updated < $updated) {
$last_updated = $updated;
}
}
if (empty($last_updated)) {
return;
}
$fields = ['last_contact' => DateTimeFormat::utcNow(), 'updated' => $last_updated];
DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
}
/**
* @brief Updates the gcontact entry from a given public contact id
*
* @param integer $cid contact id
* @return void
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function updateFromPublicContactID($cid)
{
self::updateFromPublicContact(['id' => $cid]);
}
/**
* @brief Updates the gcontact entry from a given public contact url
*
* @param string $url contact url
* @return integer gcontact id
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function updateFromPublicContactURL($url)
{
return self::updateFromPublicContact(['nurl' => Strings::normaliseLink($url)]);
}
/**
* @brief Helper function for updateFromPublicContactID and updateFromPublicContactURL
*
* @param array $condition contact condition
* @return integer gcontact id
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
private static function updateFromPublicContact($condition)
{
$fields = ['name', 'nick', 'url', 'nurl', 'location', 'about', 'keywords', 'gender',
'bd', 'contact-type', 'network', 'addr', 'notify', 'alias', 'archive', 'term-date',
'created', 'updated', 'avatar', 'success_update', 'failure_update', 'forum', 'prv',
'baseurl', 'sensitive', 'unsearchable'];
$contact = DBA::selectFirst('contact', $fields, array_merge($condition, ['uid' => 0, 'network' => Protocol::FEDERATED]));
if (!DBA::isResult($contact)) {
return 0;
}
$fields = ['name', 'nick', 'url', 'nurl', 'location', 'about', 'keywords', 'gender', 'generation',
'birthday', 'contact-type', 'network', 'addr', 'notify', 'alias', 'archived', 'archive_date',
'created', 'updated', 'photo', 'last_contact', 'last_failure', 'community', 'connect',
'server_url', 'nsfw', 'hide', 'id'];
$old_gcontact = DBA::selectFirst('gcontact', $fields, ['nurl' => $contact['nurl']]);
$do_insert = !DBA::isResult($old_gcontact);
if ($do_insert) {
$old_gcontact = [];
}
$gcontact = [];
// These fields are identical in both contact and gcontact
$fields = ['name', 'nick', 'url', 'nurl', 'location', 'about', 'keywords', 'gender',
'contact-type', 'network', 'addr', 'notify', 'alias', 'created', 'updated'];
foreach ($fields as $field) {
$gcontact[$field] = $contact[$field];
}
// These fields are having different names but the same content
$gcontact['server_url'] = $contact['baseurl'] ?? ''; // "baseurl" can be null, "server_url" not
$gcontact['nsfw'] = $contact['sensitive'];
$gcontact['hide'] = $contact['unsearchable'];
$gcontact['archived'] = $contact['archive'];
$gcontact['archive_date'] = $contact['term-date'];
$gcontact['birthday'] = $contact['bd'];
$gcontact['photo'] = $contact['avatar'];
$gcontact['last_contact'] = $contact['success_update'];
$gcontact['last_failure'] = $contact['failure_update'];
$gcontact['community'] = ($contact['forum'] || $contact['prv']);
foreach (['last_contact', 'last_failure', 'updated'] as $field) {
if (!empty($old_gcontact[$field]) && ($old_gcontact[$field] >= $gcontact[$field])) {
unset($gcontact[$field]);
}
}
if (!$gcontact['archived']) {
$gcontact['archive_date'] = DBA::NULL_DATETIME;
}
if (!empty($old_gcontact['created']) && ($old_gcontact['created'] > DBA::NULL_DATETIME)
&& ($old_gcontact['created'] <= $gcontact['created'])) {
unset($gcontact['created']);
}
if (empty($gcontact['birthday']) && ($gcontact['birthday'] <= DBA::NULL_DATETIME)) {
unset($gcontact['birthday']);
}
if (empty($old_gcontact['generation']) || ($old_gcontact['generation'] > 2)) {
$gcontact['generation'] = 2; // We fetched the data directly from the other server
}
if (!$do_insert) {
DBA::update('gcontact', $gcontact, ['nurl' => $contact['nurl']], $old_gcontact);
return $old_gcontact['id'];
} elseif (!$gcontact['archived']) {
DBA::insert('gcontact', $gcontact);
return DBA::lastInsertId();
}
}
/**
* @brief Updates the gcontact entry from probe
*
* @param string $url profile link
* @param boolean $force Optional forcing of network probing (otherwise we use the cached data)
*
* @return boolean 'true' when contact had been updated
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function updateFromProbe($url, $force = false)
{
$data = Probe::uri($url, $force);
if (in_array($data["network"], [Protocol::PHANTOM])) {
$fields = ['last_failure' => DateTimeFormat::utcNow()];
DBA::update('gcontact', $fields, ['nurl' => Strings::normaliseLink($url)]);
Logger::info('Invalid network for contact', ['url' => $data['url'], 'callstack' => System::callstack()]);
return false;
}
$data["server_url"] = $data["baseurl"];
self::update($data);
// Set the date of the latest post
self::setLastUpdate($data, $force);
return true;
}
/**
* @brief Update the gcontact entry for a given user id
*
* @param int $uid User ID
* @return bool
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function updateForUser($uid)
{
$r = q(
"SELECT `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
`profile`.`name`, `profile`.`about`, `profile`.`gender`,
`profile`.`pub_keywords`, `profile`.`dob`, `profile`.`photo`,
`profile`.`net-publish`, `user`.`nickname`, `user`.`hidewall`,
`contact`.`notify`, `contact`.`url`, `contact`.`addr`
FROM `profile`
INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid`
WHERE `profile`.`uid` = %d AND `profile`.`is-default` AND `contact`.`self`",
intval($uid)
);
if (!DBA::isResult($r)) {
Logger::log('Cannot find user with uid=' . $uid, Logger::INFO);
return false;
}
$location = Profile::formatLocation(
["locality" => $r[0]["locality"], "region" => $r[0]["region"], "country-name" => $r[0]["country-name"]]
);
// The "addr" field was added in 3.4.3 so it can be empty for older users
if ($r[0]["addr"] != "") {
$addr = $r[0]["nickname"].'@'.str_replace(["http://", "https://"], "", System::baseUrl());
} else {
$addr = $r[0]["addr"];
}
$gcontact = ["name" => $r[0]["name"], "location" => $location, "about" => $r[0]["about"],
"gender" => $r[0]["gender"], "keywords" => $r[0]["pub_keywords"],
"birthday" => $r[0]["dob"], "photo" => $r[0]["photo"],
"notify" => $r[0]["notify"], "url" => $r[0]["url"],
"hide" => ($r[0]["hidewall"] || !$r[0]["net-publish"]),
"nick" => $r[0]["nickname"], "addr" => $addr,
"connect" => $addr, "server_url" => System::baseUrl(),
"generation" => 1, "network" => Protocol::DFRN];
self::update($gcontact);
}
/**
* @brief Fetches users of given GNU Social server
*
* If the "Statistics" addon is enabled (See http://gstools.org/ for details) we query user data with this.
*
* @param string $server Server address
* @return bool
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function fetchGsUsers($server)
{
Logger::log("Fetching users from GNU Social server ".$server, Logger::DEBUG);
$url = $server."/main/statistics";
$curlResult = Network::curl($url);
if (!$curlResult->isSuccess()) {
return false;
}
$statistics = json_decode($curlResult->getBody());
if (!empty($statistics->config->instance_address)) {
if (!empty($statistics->config->instance_with_ssl)) {
$server = "https://";
} else {
$server = "http://";
}
$server .= $statistics->config->instance_address;
$hostname = $statistics->config->instance_address;
} elseif (!empty($statistics->instance_address)) {
if (!empty($statistics->instance_with_ssl)) {
$server = "https://";
} else {
$server = "http://";
}
$server .= $statistics->instance_address;
$hostname = $statistics->instance_address;
}
if (!empty($statistics->users)) {
foreach ($statistics->users as $nick => $user) {
$profile_url = $server."/".$user->nickname;
$contact = ["url" => $profile_url,
"name" => $user->fullname,
"addr" => $user->nickname."@".$hostname,
"nick" => $user->nickname,
"network" => Protocol::OSTATUS,
"photo" => System::baseUrl()."/images/person-300.jpg"];
if (isset($user->bio)) {
$contact["about"] = $user->bio;
}
self::getId($contact);
}
}
}
/**
* @brief Asking GNU Social server on a regular base for their user data
* @return void
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function discoverGsUsers()
{
$requery_days = intval(Config::get("system", "poco_requery_days"));
$last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
$r = DBA::select('gserver', ['nurl', 'url'], [
'`network` = ?
AND `last_contact` >= `last_failure`
AND `last_poco_query` < ?',
Protocol::OSTATUS,
$last_update
], [
'limit' => 5,
'order' => ['RAND()']
]);
if (!DBA::isResult($r)) {
return;
}
foreach ($r as $server) {
self::fetchGsUsers($server["url"]);
q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", DBA::escape(DateTimeFormat::utcNow()), DBA::escape($server["nurl"]));
}
}
/**
* Returns a random, global contact of the current node
*
* @return string The profile URL
* @throws Exception
*/
public static function getRandomUrl()
{
$r = DBA::selectFirst('gcontact', ['url'], [
'`network` = ?
AND `last_contact` >= `last_failure`
AND `updated` > ?',
Protocol::DFRN,
DateTimeFormat::utc('now - 1 month'),
], ['order' => ['RAND()']]);
if (DBA::isResult($r)) {
return $r['url'];
}
return '';
}
}