/**
* Construct the validation chain
*
* Retrieves validators from session storage and attaches them.
*
* @param Storage $storage
* @return void
*/
public function __construct(Storage $storage)
{
$this->_storage = $storage;
$validators = $storage->getMetadata('_VALID');
if ($validators) {
foreach ($validators as $validator => $data) {
$this->connect('session.validate', new $validator($data), 'isValid');
}
}
}
/**
* Expire key by session hops
*
* Determines whether the container or an individual key within it has
* expired based on session hops
*
* @param Storage $storage
* @param string $name
* @param string $key
* @return bool
*/
protected function _expireByHops(Storage $storage, $name, $key)
{
$ts = $storage->getRequestAccessTime();
$metadata = $storage->getMetadata($name);
// Global container expiry
if (is_array($metadata) && isset($metadata['EXPIRE_HOPS']) && $ts > $metadata['EXPIRE_HOPS']['ts']) {
$metadata['EXPIRE_HOPS']['hops']--;
if (-1 === $metadata['EXPIRE_HOPS']['hops']) {
unset($metadata['EXPIRE_HOPS']);
$storage->setMetadata($name, $metadata, true);
$storage[$name] = $this->_createContainer();
return true;
}
$metadata['EXPIRE_HOPS']['ts'] = $ts;
$storage->setMetadata($name, $metadata, true);
return false;
}
// Single key expiry
if (null !== $key && is_array($metadata) && isset($metadata['EXPIRE_HOPS_KEYS']) && isset($metadata['EXPIRE_HOPS_KEYS'][$key]) && $ts > $metadata['EXPIRE_HOPS_KEYS'][$key]['ts']) {
$metadata['EXPIRE_HOPS_KEYS'][$key]['hops']--;
if (-1 === $metadata['EXPIRE_HOPS_KEYS'][$key]['hops']) {
unset($metadata['EXPIRE_HOPS_KEYS'][$key]);
$storage->setMetadata($name, $metadata, true);
unset($storage[$name][$key]);
return true;
}
$metadata['EXPIRE_HOPS_KEYS'][$key]['ts'] = $ts;
$storage->setMetadata($name, $metadata, true);
return false;
}
// Find all expired keys
if (null === $key && is_array($metadata) && isset($metadata['EXPIRE_HOPS_KEYS'])) {
foreach (array_keys($metadata['EXPIRE_HOPS_KEYS']) as $key) {
if ($ts > $metadata['EXPIRE_HOPS_KEYS'][$key]['ts']) {
$metadata['EXPIRE_HOPS_KEYS'][$key]['hops']--;
if (-1 === $metadata['EXPIRE_HOPS_KEYS'][$key]['hops']) {
unset($metadata['EXPIRE_HOPS_KEYS'][$key]);
$storage->setMetadata($name, $metadata, true);
unset($storage[$name][$key]);
continue;
}
$metadata['EXPIRE_HOPS_KEYS'][$key]['ts'] = $ts;
}
}
$storage->setMetadata($name, $metadata, true);
return false;
}
return false;
}
/**
* Expire key by session hops
*
* Determines whether the container or an individual key within it has
* expired based on session hops
*
* @param Storage $storage
* @param string $name
* @param string $key
* @return bool
*/
protected function _expireByHops(Storage $storage, $name, $key)
{
$ts = $storage->getRequestAccessTime();
$metadata = $storage->getMetadata($name);
if (is_array($metadata) && isset($metadata['EXPIRE_HOPS']) && $ts > $metadata['EXPIRE_HOPS']['ts']) {
$metadata['EXPIRE_HOPS']['hops']--;
if (-1 === $metadata['EXPIRE_HOPS']['hops']) {
unset($metadata['EXPIRE_HOPS']);
$storage->setMetadata($name, $metadata, true);
$storage[$name] = $this->_createContainer();
return true;
}
$metadata['EXPIRE_HOPS']['ts'] = $ts;
$storage->setMetadata($name, $metadata, true);
return false;
}
if (is_array($metadata) && isset($metadata['EXPIRE_HOPS_KEYS']) && isset($metadata['EXPIRE_HOPS_KEYS'][$key]) && $ts > $metadata['EXPIRE_HOPS_KEYS'][$key]['ts']) {
$metadata['EXPIRE_HOPS_KEYS'][$key]['hops']--;
if (-1 === $metadata['EXPIRE_HOPS_KEYS'][$key]['hops']) {
unset($metadata['EXPIRE_HOPS_KEYS'][$key]);
$storage->setMetadata($name, $metadata, true);
unset($storage[$name][$key]);
return true;
}
$metadata['EXPIRE_HOPS_KEYS'][$key]['ts'] = $ts;
$storage->setMetadata($name, $metadata, true);
return false;
}
return false;
}
