session = ( ! is_null($id)) ? $this->load($id) : null;
if (is_null($this->session) or (time() - $this->session['last_activity']) > (Config::get('session.lifetime') * 60))
{
$this->session = array('id' => Str::random(40), 'data' => array());
}
if ( ! $this->has('csrf_token')) $this->put('csrf_token', Str::random(16));
$this->session['last_activity'] = time();
}
/**
* Load a session by ID.
*
* The session will be retrieved from persistant storage and returned as an array.
* The array contains the session ID, last activity UNIX timestamp, and session data.
*
* @param string $id
* @return array
*/
abstract protected function load($id);
/**
* Delete the session from persistant storage.
*
* @return void
*/
abstract protected function delete();
/**
* Save the session to persistant storage.
*
* @return void
*/
abstract protected function save();
/**
* Determine if the session or flash data contains an item.
*
*
* // Determine if "name" item exists in the session
* $exists = Session::driver()->has('name');
*
*
* @param string $key
* @return bool
*/
public function has($key)
{
return ( ! is_null($this->get($key)));
}
/**
* Get an item from the session.
*
* A default value may also be specified, and will be returned in the requested
* item does not exist in the session.
*
*
* // Get the "name" item from the session
* $name = Session::driver()->get('name');
*
* // Get the "name" item from the session or return "Fred"
* $name = Session::driver()->get('name', 'Fred');
*
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function get($key, $default = null)
{
foreach (array($key, ':old:'.$key, ':new:'.$key) as $possibility)
{
if (array_key_exists($possibility, $this->session['data'])) return $this->session['data'][$possibility];
}
return is_callable($default) ? call_user_func($default) : $default;
}
/**
* Write an item to the session.
*
*
* // Write the "name" item to the session
* Session::driver()->put('name', 'Fred');
*
*
* @param string $key
* @param mixed $value
* @return void
*/
public function put($key, $value)
{
$this->session['data'][$key] = $value;
}
/**
* Write an item to the session flash data.
*
* Flash data only exists for the next request. After that, it will be removed from
* the session. Flash data is useful for temporary status or welcome messages.
*
*
* // Write the "name" item to the session flash data
* Session::driver()->flash('name', 'Fred');
*
*
* @param string $key
* @param mixed $value
* @return void
*/
public function flash($key, $value)
{
$this->put(':new:'.$key, $value);
}
/**
* Remove an item from the session.
*
*
* // Remove the "name" item from the session
* Session::driver()->forget('name');
*
*
* @param string $key
* @return void
*/
public function forget($key)
{
unset($this->session['data'][$key]);
}
/**
* Remove all items from the session.
*
* @return void
*/
public function flush()
{
$this->session['data'] = array();
}
/**
* Regenerate the session ID.
*
* @return void
*/
public function regenerate()
{
$this->delete();
$this->session['id'] = Str::random(40);
}
/**
* Close the session.
*
* The session will be stored in persistant storage and the session cookie will be
* session cookie will be sent to the browser.
*
* @return void
*/
public function close()
{
$this->age_flash();
$this->save();
$this->write_cookie();
}
/**
* Age the session flash data.
*
* @return void
*/
public function age_flash()
{
foreach ($this->session['data'] as $key => $value)
{
if (strpos($key, ':old:') === 0) $this->forget($key);
}
foreach ($this->session['data'] as $key => $value)
{
if (strpos($key, ':new:') === 0)
{
$this->put(':old:'.substr($key, 5), $value);
$this->forget($key);
}
}
}
/**
* Write the session cookie.
*
* @return void
*/
protected function write_cookie()
{
if ( ! headers_sent())
{
extract(Config::get('session'));
$minutes = ($expire_on_close) ? 0 : $lifetime;
Cookie::put('laravel_session', $this->session['id'], $minutes, $path, $domain, $https, $http_only);
}
}
}