public static function getAllSessionRoles()
{
$sessionRoleLabels = array();
$sessionRoles = array();
$interface = new InterfaceObject('SessionRoles');
$session = new Atom(session_id(), 'SESSION');
$sessionRoleLabels = array_keys((array) $session->getContent($interface, true));
foreach (Role::getAllRoleObjects() as $role) {
if (in_array($role->label, $sessionRoleLabels) || $role->id == 0) {
$sessionRoles[] = $role;
}
}
return $sessionRoles;
}
/**
* @url GET resource/{concept}/{srcAtomId}/{interfaceId}
* @url GET resource/{concept}/{srcAtomId}/{interfaceId}/{tgtAtomId}
* @param string $concept
* @param string $srcAtomId
* @param string $interfaceId
* @param string $tgtAtomId
* @param array $roleIds
* @param boolean $inclLinktoData
* @param string $arrayType
* @param boolean $metaData
*/
public function getAtom($concept, $srcAtomId, $interfaceId, $tgtAtomId = null, $roleIds = null, $inclLinktoData = false, $arrayType = "assoc", $metaData = true)
{
try {
$session = Session::singleton();
$session->activateRoles($roleIds);
$session->setInterface($interfaceId);
$result = array();
if ($session->interface->srcConcept != $concept) {
throw new Exception("Concept '{$concept}' cannot be used as source concept for interface '" . $session->interface->label . "'", 400);
}
if (!$session->interface->crudR) {
throw new Exception("GET is not allowed for interface " . $session->interface->label, 405);
}
$atom = new Atom($srcAtomId, $concept);
if (!$atom->atomExists()) {
throw new Exception("Resource '{$srcAtomId}' not found", 404);
}
$result = (array) $atom->getContent($session->interface, true, $tgtAtomId, $inclLinktoData, $arrayType, $metaData);
if (empty($result)) {
Notifications::addInfo("No results found");
}
if (is_null($tgtAtomId)) {
// return array of atoms (i.e. tgtAtoms of the interface given srcAtomId)
return array_values($result);
// array_values transforms assoc array to non-assoc array
} else {
// return 1 atom (i.e. tgtAtomId)
return current($result);
}
} catch (Exception $e) {
throw new RestException($e->getCode(), $e->getMessage());
}
}
public function getContent($interface, $rootElement = true, $tgtAtom = null, $inclLinktoData = false, $arrayType = "assoc", $metaData = true, $recursionAtomArr = array())
{
$session = Session::singleton();
if (is_null($tgtAtom)) {
$idEsc = $this->database->escape($this->id);
$query = "SELECT DISTINCT `tgt` FROM ({$interface->expressionSQL}) AS `results` WHERE `src` = '{$idEsc}' AND `tgt` IS NOT NULL";
$tgtAtoms = array_column($this->database->Exe($query), 'tgt');
} else {
// Make sure that atom is in db (not necessarily the case: e.g. new atom)
$this->database->addAtomToConcept($this->id, $this->concept);
$tgtAtoms[] = $tgtAtom;
}
foreach ($tgtAtoms as $tgtAtomId) {
$tgtAtom = new Atom($tgtAtomId, $interface->tgtConcept, $interface->viewId);
// Add @context for JSON-LD to rootElement
if ($rootElement) {
$content['@context'] = Config::get('serverURL') . Config::get('apiPath') . '/interface/' . $interface->id;
}
// Leaf
if (empty($interface->subInterfaces) && empty($interface->refInterfaceId)) {
// Property
if ($interface->isProperty && !$interface->isIdent) {
$content = !is_null($tgtAtom->id);
// convert NULL into false and everything else in true
// Object
} elseif ($interface->tgtConceptIsObject) {
$content = array();
// Add meta data
if ($metaData) {
// Define interface(s) to navigate to for this tgtAtom
$atomInterfaces = array();
if ($interface->isLinkTo && !$inclLinktoData && $session->role->isInterfaceForRole($interface->refInterfaceId)) {
$atomInterfaces[] = array('id' => $interface->refInterfaceId, 'label' => $interface->refInterfaceId);
} elseif (isset($session->role)) {
$atomInterfaces = array_map(function ($o) {
return array('id' => $o->id, 'label' => $o->label);
}, $session->role->getInterfacesToReadConcept($interface->tgtConcept));
}
// Add meta data elements
$content = array_merge($content, array('@id' => $tgtAtom->jsonld_id, '@label' => $tgtAtom->label, '@view' => $tgtAtom->view, '@type' => $tgtAtom->jsonld_type, '@interfaces' => $atomInterfaces, '_sortValues_' => array()));
}
// Add id TODO:can be removed when angular templates use @id instead of id
$content = array_merge($content, array('id' => $tgtAtom->id));
// Scalar
} else {
$content = $this->typeConversion($tgtAtom->id, $interface->tgtConcept);
// TODO: now same conversion as to database is used, maybe this must be changed to JSON types (or the json_encode/decode does this automaticaly?)
}
// Tree
} else {
$content = array();
// Add meta data
if ($metaData) {
// Define interface(s) to navigate to for this tgtAtom
$atomInterfaces = array();
if ($interface->isLinkTo && !$inclLinktoData && $session->role->isInterfaceForRole($interface->refInterfaceId)) {
$atomInterfaces[] = array('id' => $interface->refInterfaceId, 'label' => $interface->refInterfaceId);
} elseif (isset($session->role)) {
$atomInterfaces = array_map(function ($o) {
return array('id' => $o->id, 'label' => $o->label);
}, $session->role->getInterfacesToReadConcept($interface->tgtConcept));
}
// Add meta data elements
$content = array_merge($content, array('@id' => $tgtAtom->jsonld_id, '@label' => $tgtAtom->label, '@view' => $tgtAtom->view, '@type' => $tgtAtom->jsonld_type, '@interfaces' => $atomInterfaces, '_sortValues_' => array()));
}
// Add id TODO:can be removed when angular templates use @id instead of id
$content = array_merge($content, array('id' => $tgtAtom->id));
// Subinterfaces
if (!empty($interface->subInterfaces)) {
if (!$interface->tgtConceptIsObject) {
throw new Exception("TgtConcept of interface: '" . $interface->label . "' is scalar and can not have subinterfaces", 501);
}
foreach ($interface->subInterfaces as $subinterface) {
$otherAtom = $tgtAtom->getContent($subinterface, false, null, $inclLinktoData, $arrayType, $metaData);
$content[$subinterface->id] = $otherAtom;
// _sortValues_ (if subInterface is uni)
if ($subinterface->univalent && $metaData) {
// property
if (is_bool($otherAtom)) {
$content['_sortValues_'][$subinterface->id] = $otherAtom;
} elseif ($subinterface->tgtConceptIsObject) {
$content['_sortValues_'][$subinterface->id] = current((array) $otherAtom)['@label'];
} else {
$content['_sortValues_'][$subinterface->id] = $otherAtom;
}
}
}
}
// Ref subinterfaces (for LINKTO interfaces only when $inclLinktoData = true)
if (!empty($interface->refInterfaceId) && (!$interface->isLinkTo || $inclLinktoData) && $recursionAtomArr[$tgtAtom->id] < 2) {
if (!$interface->tgtConceptIsObject) {
throw new Exception("TgtConcept of interface: '" . $interface->label . "' is scalar and can not have a ref interface defined", 501);
}
if ($inclLinktoData) {
$recursionAtomArr[$tgtAtom->id]++;
}
$refInterface = new InterfaceObject($interface->refInterfaceId, null);
foreach ($refInterface->subInterfaces as $subinterface) {
$otherAtom = $tgtAtom->getContent($subinterface, false, null, $inclLinktoData, $arrayType, $metaData, $recursionAtomArr);
$content[$subinterface->id] = $otherAtom;
// _sortValues_ (if subInterface is uni)
if ($subinterface->univalent && $metaData) {
// property
if (is_bool($otherAtom)) {
$content['_sortValues_'][$subinterface->id] = $otherAtom;
} elseif ($subinterface->tgtConceptIsObject) {
$content['_sortValues_'][$subinterface->id] = current((array) $otherAtom)['@label'];
} else {
$content['_sortValues_'][$subinterface->id] = $otherAtom;
}
}
}
}
}
// Determine whether value of atom must be inserted as list or as single value
// Properties are represented as single value
if ($interface->isProperty && !$interface->isIdent && empty($interface->subInterfaces) && empty($interface->refInterfaceId)) {
$arr = $content;
// Object are always inserted as array
} elseif ($interface->tgtConceptIsObject) {
switch ($arrayType) {
case "num":
if ($interface->univalent && !$rootElement) {
$arr = $content;
} else {
$arr[] = $content;
}
break;
case "assoc":
default:
$arr[$content['id']] = $content;
break;
}
// Non-object UNI results are inserted as single value
} elseif ($interface->univalent) {
$arr = $content;
// Non-object Non-UNI results are inserted as array
} else {
$arr[] = $content;
}
unset($content);
}
return $arr;
}
public static function getSessionVars()
{
if (!Config::get('loginEnabled')) {
return false;
} else {
try {
$ifc = new InterfaceObject('SessionVars');
$session = new Atom(session_id(), 'SESSION');
return $session->getContent($ifc, false, null, false, 'num', false);
// $rootElement = false => this will return a single object instead of array.
} catch (Exception $e) {
return false;
}
}
}
private function callback($code, $idp)
{
try {
$identityProviders = Config::get('identityProviders', 'OAuthLogin');
if (empty($code)) {
throw new Exception("Oops. Someting went wrong during login. Please try again", 401);
}
$session = Session::singleton();
$db = Database::singleton();
if (!isset($identityProviders[$idp])) {
throw new Exception("Unknown identity provider", 500);
}
$client_id = $identityProviders[$idp]['clientId'];
$client_secret = $identityProviders[$idp]['clientSecret'];
$redirect_uri = $identityProviders[$idp]['redirectUrl'];
$token_url = $identityProviders[$idp]['tokenUrl'];
$api_url = $identityProviders[$idp]['apiUrl'];
$emailField = $identityProviders[$idp]['emailField'];
// instantiate authController
$authController = new OAuthLoginController($client_id, $client_secret, $redirect_uri, $token_url);
// request token
if ($authController->requestToken($code)) {
// request data
if ($authController->requestData($api_url)) {
// Verify email/role here
$email = $authController->getData()->{$emailField};
// Get user with $email
// Set sessionUser
$interface = new InterfaceObject('EmailUser');
$atom = new Atom($email, 'Email');
$users = array_keys((array) $atom->getContent($interface, true));
// create new user
if (empty($users)) {
$newUser = Concept::createNewAtom('User');
$db->addAtomToConcept($newUser, 'User');
$db->editUpdate('userEmail', false, $newUser, 'User', $email, 'Email');
// add to Organization
$domain = explode('@', $email)[1];
$interface = new InterfaceObject('DomainOrgs');
$atom = new Atom($domain, 'Domain');
$orgs = array_keys((array) $atom->getContent($interface, true));
foreach ($orgs as $org) {
$db->editUpdate('userOrganization', false, $newUser, 'User', $org, 'Organization');
}
$users[] = $newUser;
}
if (count($users) > 1) {
throw new Exception("Multiple users registered with email {$email}", 401);
}
foreach ($users as $userId) {
// Set sessionUser
$db->editUpdate('sessionUser', false, session_id(), 'SESSION', $userId, 'User');
// Timestamps
$db->editUpdate('userLastLoginTimeStamp', false, $userId, 'User', date(DATE_ISO8601), 'DateTime');
$db->editUpdate('userLoginTimeStamp', false, $userId, 'User', date(DATE_ISO8601), 'DateTime');
}
$db->closeTransaction('Login successfull', false, true, false);
}
}
header('Location: ' . Config::get('serverURL'));
exit;
} catch (Exception $e) {
throw new RestException($e->getCode(), $e->getMessage());
}
}
