private function __construct()
{
try {
$this->id = session_id();
$this->database = Database::singleton();
// AMPERSAND SESSION
Concept::getConcept('SESSION');
// Remove expired Ampersand sessions from __SessionTimeout__ and all concept tables and relations where it appears.
$expiredSessionsAtoms = array_column($this->database->Exe("SELECT SESSION FROM `__SessionTimeout__` WHERE `lastAccess` < " . (time() - Config::get('sessionExpirationTime'))), 'SESSION');
foreach ($expiredSessionsAtoms as $expiredSessionAtom) {
$this->destroyAmpersandSession($expiredSessionAtom);
}
// Create a new Ampersand session if session_id() is not in SESSION table (browser started a new session or Ampersand session was expired
$sessionAtom = new Atom($this->id, 'SESSION');
if (!$sessionAtom->atomExists()) {
$this->database->addAtomToConcept($this->id, 'SESSION');
$this->database->commitTransaction();
//TODO: ook door Database->closeTransaction() laten doen, maar die verwijst terug naar Session class voor de checkrules. Oneindige loop
}
$this->database->Exe("INSERT INTO `__SessionTimeout__` (`SESSION`,`lastAccess`) VALUES ('" . $this->id . "', '" . time() . "') ON DUPLICATE KEY UPDATE `lastAccess` = '" . time() . "'");
} catch (Exception $e) {
throw $e;
}
}
/**
* @url GET resource/{concept}/{atomId}
* @param string $concept
* @param string $atomId
* @param array $roleIds
*/
public function getConceptAtom($concept, $atomId, $roleIds = null)
{
try {
$session = Session::singleton();
$session->activateRoles($roleIds);
if (!in_array($concept, $session->getEditableConcepts())) {
throw new Exception("You do not have access for this call", 403);
}
$atom = new Atom($atomId, $concept);
if (!$atom->atomExists()) {
throw new Exception("Resource '{$atomId}' not found", 404);
}
return $atom->getAtom();
} catch (Exception $e) {
throw new RestException($e->getCode(), $e->getMessage());
}
}
/**
* @url GET resource/{concept}/{atomId}
*/
public function getConceptAtom($concept, $atomId)
{
try {
// If login is enabled, check if users may request all atoms.
if (Config::get('loginEnabled')) {
$editableConcepts = array();
$roles = Role::getAllSessionRoles();
foreach ($roles as $role) {
$editableConcepts = array_merge($editableConcepts, $role->editableConcepts);
}
if (!in_array($concept, $editableConcepts)) {
throw new Exception("You do not have access for this call", 403);
}
}
$atom = new Atom($atomId, $concept);
if (!$atom->atomExists()) {
throw new Exception("Resource '{$atomId}' not found", 404);
}
return $atom->getAtom();
} catch (Exception $e) {
throw new RestException($e->getCode(), $e->getMessage());
}
}
