Add new Session classes in src/

diff --git a/src/Core/Session.php b/src/Core/Session.php
new file mode 100644 (file)
index 0000000..b5c09f7
--- /dev/null
+++ b/src/Core/Session.php
@@ -0,0 +1,57 @@
+<?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

diff --git a/src/Core/Session/DatabaseSessionHandler.php b/src/Core/Session/DatabaseSessionHandler.php
new file mode 100644 (file)
index 0000000..d017e2e
--- /dev/null
+++ b/src/Core/Session/DatabaseSessionHandler.php
@@ -0,0 +1,95 @@
+<?php\r
+\r
+namespace Friendica\Core\Session;\r
+\r
+use Friendica\BaseObject;\r
+use Friendica\Core\Session;\r
+use Friendica\Database\DBM;\r
+use SessionHandlerInterface;\r
+use dba;\r
+\r
+require_once 'boot.php';\r
+require_once 'include/dba.php';\r
+require_once 'include/text.php';\r
+\r
+/**\r
+ * SessionHandler using database\r
+ *\r
+ * @author Hypolite Petovan <mrpetovan@gmail.com>\r
+ */\r
+class DatabaseSessionHandler extends BaseObject implements SessionHandlerInterface\r
+{\r
+       public function open($save_path, $session_name)\r
+       {\r
+               return true;\r
+       }\r
+\r
+       public function read($session_id)\r
+       {\r
+               if (!x($session_id)) {\r
+                       return '';\r
+               }\r
+\r
+               $session = dba::selectFirst('session', ['data'], ['sid' => $session_id]);\r
+               if (DBM::is_result($session)) {\r
+                       Session::$exists = true;\r
+                       return $session['data'];\r
+               }\r
+               logger("no data for session $session_id", LOGGER_TRACE);\r
+\r
+               return '';\r
+       }\r
+\r
+       /**\r
+        * @brief Standard PHP session write callback\r
+        *\r
+        * This callback updates the DB-stored session data and/or the expiration depending\r
+        * on the case. Uses the Session::expire global for existing session, 5 minutes\r
+        * for newly created session.\r
+        *\r
+        * @param  string $session_id   Session ID with format: [a-z0-9]{26}\r
+        * @param  string $session_data Serialized session data\r
+        * @return boolean Returns false if parameters are missing, true otherwise\r
+        */\r
+       public function write($session_id, $session_data)\r
+       {\r
+               if (!$session_id) {\r
+                       return false;\r
+               }\r
+\r
+               if (!$session_data) {\r
+                       return true;\r
+               }\r
+\r
+               $expire = time() + Session::$expire;\r
+               $default_expire = time() + 300;\r
+\r
+               if (Session::$exists) {\r
+                       $fields = ['data' => $session_data, 'expire' => $expire];\r
+                       $condition = ["`sid` = ? AND (`data` != ? OR `expire` != ?)", $session_id, $session_data, $expire];\r
+                       dba::update('session', $fields, $condition);\r
+               } else {\r
+                       $fields = ['sid' => $session_id, 'expire' => $default_expire, 'data' => $session_data];\r
+                       dba::insert('session', $fields);\r
+               }\r
+\r
+               return true;\r
+       }\r
+\r
+       public function close()\r
+       {\r
+               return true;\r
+       }\r
+\r
+       public function destroy($id)\r
+       {\r
+               dba::delete('session', ['sid' => $id]);\r
+               return true;\r
+       }\r
+\r
+       public function gc($maxlifetime)\r
+       {\r
+               dba::delete('session', ["`expire` < ?", time()]);\r
+               return true;\r
+       }\r
+}\r

diff --git a/src/Core/Session/MemcacheSessionHandler.php b/src/Core/Session/MemcacheSessionHandler.php
new file mode 100644 (file)
index 0000000..dce206e
--- /dev/null
+++ b/src/Core/Session/MemcacheSessionHandler.php
@@ -0,0 +1,102 @@
+<?php\r
+\r
+namespace Friendica\Core\Session;\r
+\r
+use Friendica\BaseObject;\r
+use Friendica\Core\Session;\r
+use SessionHandlerInterface;\r
+use Memcache;\r
+\r
+require_once 'boot.php';\r
+require_once 'include/text.php';\r
+\r
+/**\r
+ * SessionHandler using Memcache\r
+ *\r
+ * @author Hypolite Petovan <mrpetovan@gmail.com>\r
+ */\r
+class MemcacheSessionHandler extends BaseObject implements SessionHandlerInterface\r
+{\r
+       /**\r
+        * @var Memcache\r
+        */\r
+       private $memcache = null;\r
+\r
+       /**\r
+        *\r
+        * @param Memcache $memcache\r
+        */\r
+       public function __construct(Memcache $memcache)\r
+       {\r
+               $this->memcache = $memcache;\r
+       }\r
+\r
+       public function open($save_path, $session_name)\r
+       {\r
+               return true;\r
+       }\r
+\r
+       public function read($session_id)\r
+       {\r
+               if (!x($session_id)) {\r
+                       return '';\r
+               }\r
+\r
+               $data = $this->memcache->get(self::getApp()->get_hostname() . ":session:" . $session_id);\r
+               if (!is_bool($data)) {\r
+                       Session::$exists = true;\r
+                       return $data;\r
+               }\r
+               logger("no data for session $session_id", LOGGER_TRACE);\r
+               return '';\r
+       }\r
+\r
+       /**\r
+        * @brief Standard PHP session write callback\r
+        *\r
+        * This callback updates the stored session data and/or the expiration depending\r
+        * on the case. Uses the Session::expire for existing session, 5 minutes\r
+        * for newly created session.\r
+        *\r
+        * @param  string $session_id   Session ID with format: [a-z0-9]{26}\r
+        * @param  string $session_data Serialized session data\r
+        * @return boolean Returns false if parameters are missing, true otherwise\r
+        */\r
+       public function write($session_id, $session_data)\r
+       {\r
+               if (!$session_id) {\r
+                       return false;\r
+               }\r
+\r
+               if (!$session_data) {\r
+                       return true;\r
+               }\r
+\r
+               $expire = time() + Session::$expire;\r
+\r
+               $this->memcache->set(\r
+                       self::getApp()->get_hostname() . ":session:" . $session_id,\r
+                       $session_data,\r
+                       MEMCACHE_COMPRESSED,\r
+                       $expire\r
+               );\r
+\r
+               return true;\r
+       }\r
+\r
+       public function close()\r
+       {\r
+               return true;\r
+       }\r
+\r
+       public function destroy($id)\r
+       {\r
+               $this->memcache->delete(self::getApp()->get_hostname() . ":session:" . $id);\r
+               return true;\r
+       }\r
+\r
+       public function gc($maxlifetime)\r
+       {\r
+               return true;\r
+       }\r
+}\r