/usr/share/php/Icinga/Web/Session/Session.php is in php-icinga 2.1.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Session;
use Icinga\Exception\NotImplementedError;
/**
* Base class for handling sessions
*/
abstract class Session extends SessionNamespace
{
/**
* Container for session namespaces
*
* @var array
*/
protected $namespaces = array();
/**
* The identifiers of all namespaces removed from this session
*
* @var array
*/
protected $removedNamespaces = array();
/**
* Read all values from the underlying session implementation
*/
abstract public function read();
/**
* Persists changes to the underlying session implementation
*/
public function write() {
throw new NotImplementedError('You are required to implement write() in your session implementation');
}
/**
* Return whether a session exists
*
* @return bool
*/
abstract public function exists();
/**
* Purge session
*/
abstract public function purge();
/**
* Assign a new session id to this session.
*/
abstract public function refreshId();
/**
* Return the id of this session
*
* @return string
*/
abstract public function getId();
/**
* Get or create a new session namespace
*
* @param string $identifier The namespace's identifier
*
* @return SessionNamespace
*/
public function getNamespace($identifier)
{
if (!isset($this->namespaces[$identifier])) {
if (in_array($identifier, $this->removedNamespaces, true)) {
unset($this->removedNamespaces[array_search($identifier, $this->removedNamespaces, true)]);
}
$this->namespaces[$identifier] = new SessionNamespace();
}
return $this->namespaces[$identifier];
}
/**
* Return whether the given session namespace exists
*
* @param string $identifier The namespace's identifier to check
*
* @return bool
*/
public function hasNamespace($identifier)
{
return isset($this->namespaces[$identifier]);
}
/**
* Remove the given session namespace
*
* @param string $identifier The identifier of the namespace to remove
*/
public function removeNamespace($identifier)
{
unset($this->namespaces[$identifier]);
$this->removedNamespaces[] = $identifier;
}
/**
* Return whether the session has changed
*
* @return bool
*/
public function hasChanged()
{
return parent::hasChanged() || false === empty($this->namespaces) || false === empty($this->removedNamespaces);
}
/**
* Clear all values and namespaces from the session cache
*/
public function clear()
{
parent::clear();
$this->namespaces = array();
$this->removedNamespaces = array();
}
}
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