friendica/src/Model/FContact.php

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<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Model;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Database\DBA;
use Friendica\Network\Probe;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Strings;
class FContact
{
/**
* Fetches data for a given handle
*
* @param string $handle The handle
* @param boolean $update true = always update, false = never update, null = update when not found or outdated
*
* @return array the queried data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
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public static function getByURL($handle, $update = null)
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{
$person = DBA::selectFirst('fcontact', [], ['network' => Protocol::DIASPORA, 'addr' => $handle]);
if (!DBA::isResult($person)) {
$urls = [$handle, str_replace('http://', 'https://', $handle), Strings::normaliseLink($handle)];
$person = DBA::selectFirst('fcontact', [], ['network' => Protocol::DIASPORA, 'url' => $urls]);
}
if (DBA::isResult($person)) {
Logger::debug('In cache', ['person' => $person]);
if (is_null($update)) {
// update record occasionally so it doesn't get stale
$d = strtotime($person["updated"]." +00:00");
if ($d < strtotime("now - 14 days")) {
$update = true;
}
if ($person["guid"] == "") {
$update = true;
}
}
} elseif (is_null($update)) {
$update = !DBA::isResult($person);
} else {
$person = [];
}
if ($update) {
Logger::info('create or refresh', ['handle' => $handle]);
$r = Probe::uri($handle, Protocol::DIASPORA);
// Note that Friendica contacts will return a "Diaspora person"
// if Diaspora connectivity is enabled on their server
if ($r && ($r["network"] === Protocol::DIASPORA)) {
self::updateFContact($r);
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$person = self::getByURL($handle, false);
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}
}
return $person;
}
/**
* Updates the fcontact table
*
* @param array $arr The fcontact data
* @throws \Exception
*/
private static function updateFContact($arr)
{
$fields = ['name' => $arr["name"], 'photo' => $arr["photo"],
'request' => $arr["request"], 'nick' => $arr["nick"],
'addr' => strtolower($arr["addr"]), 'guid' => $arr["guid"],
'batch' => $arr["batch"], 'notify' => $arr["notify"],
'poll' => $arr["poll"], 'confirm' => $arr["confirm"],
'alias' => $arr["alias"], 'pubkey' => $arr["pubkey"],
'updated' => DateTimeFormat::utcNow()];
$condition = ['url' => $arr["url"], 'network' => $arr["network"]];
DBA::update('fcontact', $fields, $condition, true);
}
/**
* get a url (scheme://domain.tld/u/user) from a given Diaspora*
* fcontact guid
*
* @param mixed $fcontact_guid Hexadecimal string guid
*
* @return string the contact url or null
* @throws \Exception
*/
public static function getUrlByGuid($fcontact_guid)
{
Logger::info('fcontact', ['guid' => $fcontact_guid]);
$r = q(
"SELECT `url` FROM `fcontact` WHERE `url` != '' AND `network` = '%s' AND `guid` = '%s'",
DBA::escape(Protocol::DIASPORA),
DBA::escape($fcontact_guid)
);
if (DBA::isResult($r)) {
return $r[0]['url'];
}
return null;
}
}