src/Core/Session/Model/UserSession.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Core\Session\Model;
  23
  24 use Friendica\Core\Session\Capability\IHandleSessions;
  25 use Friendica\Core\Session\Capability\IHandleUserSessions;
  26 use Friendica\Model\Contact;
  27
  28 class UserSession implements IHandleUserSessions
  29 {
  30         /** @var IHandleSessions */
  31         private $session;
  32         /** @var int|bool saves the public Contact ID for later usage */
  33         protected $publicContactId = false;
  34
  35         public function __construct(IHandleSessions $session)
  36         {
  37                 $this->session = $session;
  38         }
  39
  40         /** {@inheritDoc} */
  41         public function getLocalUserId()
  42         {
  43                 if (!empty($this->session->get('authenticated')) && !empty($this->session->get('uid'))) {
  44                         return intval($this->session->get('uid'));
  45                 }
  46
  47                 return false;
  48         }
  49
  50         /** {@inheritDoc} */
  51         public function getPublicContactId()
  52         {
  53                 if (empty($this->publicContactId) && !empty($this->session->get('authenticated'))) {
  54                         if (!empty($this->session->get('my_address'))) {
  55                                 // Local user
  56                                 $this->publicContactId = Contact::getIdForURL($this->session->get('my_address'), 0, false);
  57                         } elseif (!empty($this->session->get('visitor_home'))) {
  58                                 // Remote user
  59                                 $this->publicContactId = Contact::getIdForURL($this->session->get('visitor_home'), 0, false);
  60                         }
  61                 } elseif (empty($this->session->get('authenticated'))) {
  62                         $this->publicContactId = false;
  63                 }
  64
  65                 return $this->publicContactId;
  66         }
  67
  68         /** {@inheritDoc} */
  69         public function getRemoteUserId()
  70         {
  71                 if (empty($this->session->get('authenticated'))) {
  72                         return false;
  73                 }
  74
  75                 if (!empty($this->session->get('visitor_id'))) {
  76                         return (int)$this->session->get('visitor_id');
  77                 }
  78
  79                 return false;
  80         }
  81
  82         /** {@inheritDoc} */
  83         public function getRemoteContactID(int $uid): int
  84         {
  85                 if (!empty($this->session->get('remote')[$uid])) {
  86                         $remote = $this->session->get('remote')[$uid];
  87                 } else {
  88                         $remote = 0;
  89                 }
  90
  91                 $local_user = !empty($this->session->get('authenticated')) ? $this->session->get('uid') : 0;
  92
  93                 if (empty($remote) && ($local_user != $uid) && !empty($my_address = $this->session->get('my_address'))) {
  94                         $remote = Contact::getIdForURL($my_address, $uid, false);
  95                 }
  96
  97                 return $remote;
  98         }
  99
 100         /** {@inheritDoc} */
 101         public function getUserIDForVisitorContactID(int $cid): int
 102         {
 103                 if (empty($this->session->get('remote'))) {
 104                         return false;
 105                 }
 106
 107                 return array_search($cid, $this->session->get('remote'));
 108         }
 109
 110         /** {@inheritDoc} */
 111         public function isAuthenticated(): bool
 112         {
 113                 return $this->session->get('authenticated', false);
 114         }
 115
 116         /** {@inheritDoc} */
 117         public function setVisitorsContacts()
 118         {
 119                 $this->session->set('remote', Contact::getVisitorByUrl($this->session->get('my_url')));
 120         }
 121 }