friendica/src/Core/Session.php

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<?php
/**
* @file src/Core/Session.php
*/
namespace Friendica\Core;
use Friendica\BaseObject;
use Friendica\Core\Session\ISession;
use Friendica\Database\DBA;
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use Friendica\Model\Contact;
use Friendica\Util\Strings;
/**
* High-level Session service class
*
* @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class Session extends BaseObject
{
public static $exists = false;
public static $expire = 180000;
public static function exists($name)
{
return self::getClass(ISession::class)->exists($name);
}
public static function get($name, $defaults = null)
{
return self::getClass(ISession::class)->get($name, $defaults);
}
public static function set($name, $value)
{
self::getClass(ISession::class)->set($name, $value);
}
public static function setMultiple(array $values)
{
self::getClass(ISession::class)->setMultiple($values);
}
public static function remove($name)
{
self::getClass(ISession::class)->remove($name);
}
public static function clear()
{
self::getClass(ISession::class)->clear();
}
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/**
* Returns contact ID for given user ID
*
* @param integer $uid User ID
* @return integer Contact ID of visitor for given user ID
*/
public static function getRemoteContactID($uid)
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{
if (empty($_SESSION['remote'][$uid])) {
return false;
}
return $_SESSION['remote'][$uid];
}
/**
* Returns User ID for given contact ID of the visitor
*
* @param integer $cid Contact ID
* @return integer User ID for given contact ID of the visitor
*/
public static function getUserIDForVisitorContactID($cid)
{
if (empty($_SESSION['remote'])) {
return false;
}
return array_search($cid, $_SESSION['remote']);
}
/**
* Set the session variable that contains the contact IDs for the visitor's contact URL
*
* @param string $url Contact URL
*/
public static function setVisitorsContacts()
{
$_SESSION['remote'] = [];
$remote_contacts = DBA::select('contact', ['id', 'uid'], ['nurl' => Strings::normaliseLink($_SESSION['my_url']), 'rel' => [Contact::FOLLOWER, Contact::FRIEND], 'self' => false]);
while ($contact = DBA::fetch($remote_contacts)) {
if (($contact['uid'] == 0) || Contact::isBlockedByUser($contact['id'], $contact['uid'])) {
continue;
}
$_SESSION['remote'][$contact['uid']] = $contact['id'];
}
DBA::close($remote_contacts);
}
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/**
* Returns if the current visitor is authenticated
*
* @return boolean "true" when visitor is either a local or remote user
*/
public static function isAuthenticated()
{
if (empty($_SESSION['authenticated'])) {
return false;
}
return $_SESSION['authenticated'];
}
public static function delete()
{
self::getClass(ISession::class)->delete();
}
}