-<?php\r
-\r
-/**\r
- * @file src/Core/Session.php\r
- */\r
-namespace Friendica\Core;\r
-\r
-use Friendica\Core\Session\DatabaseSessionHandler;\r
-use Friendica\Core\Session\MemcacheSessionHandler;\r
-\r
-/**\r
- * High-level Session service class\r
- *\r
- * @author Hypolite Petovan <mrpetovan@gmail.com>\r
- */\r
-class Session\r
-{\r
- public static $exists = false;\r
- public static $expire = 180000;\r
-\r
- public static function init()\r
- {\r
- ini_set('session.gc_probability', 50);\r
- ini_set('session.use_only_cookies', 1);\r
- ini_set('session.cookie_httponly', 1);\r
-\r
- if (Config::get('system', 'ssl_policy') == SSL_POLICY_FULL) {\r
- ini_set('session.cookie_secure', 1);\r
- }\r
-\r
- if (!Config::get('system', 'disable_database_session')) {\r
- $memcache = Cache::memcache();\r
- if (is_object($memcache)) {\r
- $SessionHandler = new MemcacheSessionHandler($memcache);\r
- } else {\r
- $SessionHandler = new DatabaseSessionHandler();\r
- }\r
-\r
- session_set_save_handler($SessionHandler);\r
- }\r
- }\r
-\r
- public static function exists($name)\r
- {\r
- return isset($_SESSION[$name]);\r
- }\r
-\r
- public static function get($name)\r
- {\r
- return defaults($_SESSION, $name, null);\r
- }\r
-\r
- public static function set($name, $value)\r
- {\r
- $_SESSION[$name] = $value;\r
- }\r
-}\r
+<?php
+
+/**
+ * @file src/Core/Session.php
+ */
+namespace Friendica\Core;
+
+use Friendica\BaseObject;
+use Friendica\Core\Session\ISession;
+use Friendica\Database\DBA;
+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();
+ }
+
+ /**
+ * 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)
+ {
+ /** @var ISession $session */
+ $session = self::getClass(ISession::class);
+
+ if (empty($session->get('remote')[$uid])) {
+ return false;
+ }
+
+ return $session->get('remote')[$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)
+ {
+ /** @var ISession $session */
+ $session = self::getClass(ISession::class);
+
+ if (empty($session->get('remote'))) {
+ return false;
+ }
+
+ return array_search($cid, $session->get('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()
+ {
+ /** @var ISession $session */
+ $session = self::getClass(ISession::class);
+
+ $session->set('remote', []);
+
+ $remote_contacts = DBA::select('contact', ['id', 'uid'], ['nurl' => Strings::normaliseLink($session->get('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;
+ }
+
+ $session->set('remote', [$contact['uid'] => $contact['id']]);
+ }
+ DBA::close($remote_contacts);
+ }
+
+ /**
+ * Returns if the current visitor is authenticated
+ *
+ * @return boolean "true" when visitor is either a local or remote user
+ */
+ public static function isAuthenticated()
+ {
+ /** @var ISession $session */
+ $session = self::getClass(ISession::class);
+
+ return $session->get('authenticated', false);
+ }
+}