/**
* @brief generates the VEVENT/VTODO/VJOURNAL with UTC dates
* @param array $event
* @return string
*/
private static function generateEvent($event)
{
$object = OC_VObject::parse($event['calendardata']);
if (!$object) {
return false;
}
$sharedAccessClassPermissions = OC_Calendar_Object::getAccessClassPermissions($object);
if (OC_Calendar_Object::getowner($event['id']) !== OCP\User::getUser()) {
if (!($sharedAccessClassPermissions & OCP\PERMISSION_READ)) {
return '';
}
}
$object = OC_Calendar_Object::cleanByAccessClass($event['id'], $object);
if ($object->VEVENT) {
$dtstart = $object->VEVENT->DTSTART;
$start_dt = $dtstart->getDateTime();
$dtend = OC_Calendar_Object::getDTEndFromVEvent($object->VEVENT);
$end_dt = $dtend->getDateTime();
if ($dtstart->getDateType() !== Sabre\VObject\Property\DateTime::DATE) {
$start_dt->setTimezone(new DateTimeZone('UTC'));
$end_dt->setTimezone(new DateTimeZone('UTC'));
$object->VEVENT->setDateTime('DTSTART', $start_dt, Sabre\VObject\Property\DateTime::UTC);
$object->VEVENT->setDateTime('DTEND', $end_dt, Sabre\VObject\Property\DateTime::UTC);
}
return $object->VEVENT->serialize();
}
if ($object->VTODO) {
return $object->VTODO->serialize();
}
if ($object->VJOURNAL) {
return $object->VJOURNAL->serialize();
}
return '';
}
public static function parseVTODO($task)
{
$object = \Sabre\VObject\Reader::read($task['calendardata']);
if (!$object) {
return false;
}
$sharedAccessClassPermissions = \OC_Calendar_Object::getAccessClassPermissions($object);
if (\OC_Calendar_Object::getowner($task['id']) !== \OC::$server->getUserSession()->getUser()->getUID()) {
if (!($sharedAccessClassPermissions & \OCP\Constants::PERMISSION_READ)) {
return false;
}
}
$object = \OC_Calendar_Object::cleanByAccessClass($task['id'], $object);
$vtodo = $object->VTODO;
return $vtodo;
}
/**
* check if task is valid
*
* @param \OCA\Tasks\Db\Tasks $task
* @return mixed
*/
public function checkTask($task)
{
$object = $this->readTask($task);
if (!$object) {
return false;
}
if (\OC_Calendar_Object::getowner($task->getId()) !== \OC::$server->getUserSession()->getUser()->getUID()) {
$sharedAccessClassPermissions = \OC_Calendar_Object::getAccessClassPermissions($object);
if (!($sharedAccessClassPermissions & \OCP\Constants::PERMISSION_READ)) {
return false;
}
}
$taskID = $task->getId();
$object = \OC_Calendar_Object::cleanByAccessClass($taskID, $object);
$vtodo = $object->VTODO;
$vtodo->ID = $taskID;
return $vtodo;
}
/**
* Returns a list of ACE's for this node.
*
* Each ACE has the following properties:
* * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
* currently the only supported privileges
* * 'principal', a url to the principal who owns the node
* * 'protected' (optional), indicating that this ACE is not allowed to
* be updated.
*
* @return array
*/
public function getACL()
{
$readprincipal = $this->getOwner();
$writeprincipal = $this->getOwner();
$uid = OC_Calendar_Calendar::extractUserID($this->getOwner());
if ($uid != OCP\USER::getUser()) {
if ($uid === 'contact_birthdays') {
$readprincipal = 'principals/' . OCP\User::getUser();
} else {
$object = OC_VObject::parse($this->objectData['calendardata']);
$sharedCalendar = OCP\Share::getItemSharedWithBySource('calendar', $this->calendarInfo['id']);
$sharedAccessClassPermissions = OC_Calendar_Object::getAccessClassPermissions($object);
if ($sharedCalendar && $sharedCalendar['permissions'] & OCP\PERMISSION_READ && $sharedAccessClassPermissions & OCP\PERMISSION_READ) {
$readprincipal = 'principals/' . OCP\USER::getUser();
}
if ($sharedCalendar && $sharedCalendar['permissions'] & OCP\PERMISSION_UPDATE && $sharedAccessClassPermissions & OCP\PERMISSION_UPDATE) {
$writeprincipal = 'principals/' . OCP\USER::getUser();
}
}
}
return array(array('privilege' => '{DAV:}read', 'principal' => $readprincipal, 'protected' => true), array('privilege' => '{DAV:}write', 'principal' => $writeprincipal, 'protected' => true), array('privilege' => '{DAV:}read', 'principal' => $readprincipal . '/calendar-proxy-write', 'protected' => true), array('privilege' => '{DAV:}write', 'principal' => $writeprincipal . '/calendar-proxy-write', 'protected' => true), array('privilege' => '{DAV:}read', 'principal' => $readprincipal . '/calendar-proxy-read', 'protected' => true));
}
/**
* @brief generates the VEVENT/VTODO/VJOURNAL with UTC dates
* @param array $event
* @return string
*/
private static function generateEvent($event)
{
$object = OC_VObject::parse($event['calendardata']);
if (!$object) {
return false;
}
$sharedAccessClassPermissions = OC_Calendar_Object::getAccessClassPermissions($object);
if (OC_Calendar_Object::getowner($event['id']) !== OCP\User::getUser()) {
if (!($sharedAccessClassPermissions & OCP\PERMISSION_READ)) {
return '';
}
}
$object = OC_Calendar_Object::cleanByAccessClass($event['id'], $object);
if ($object->VEVENT) {
return $object->VEVENT->serialize();
}
if ($object->VTODO) {
return $object->VTODO->serialize();
}
if ($object->VJOURNAL) {
return $object->VJOURNAL->serialize();
}
return '';
}
/**
* @brief deletes an object
* @param integer $id id of object
* @return boolean
*/
public static function delete($id)
{
$oldobject = self::find($id);
$calid = self::getCalendarid($id);
$calendar = OC_Calendar_Calendar::find($calid);
$oldvobject = OC_VObject::parse($oldobject['calendardata']);
if ($calendar['userid'] != OCP\User::getUser()) {
$sharedCalendar = OCP\Share::getItemSharedWithBySource('calendar', $calid);
$sharedAccessClassPermissions = OC_Calendar_Object::getAccessClassPermissions($oldvobject);
if (!$sharedCalendar || !($sharedCalendar['permissions'] & OCP\PERMISSION_DELETE) || !($sharedAccessClassPermissions & OCP\PERMISSION_DELETE)) {
throw new Exception(OC_Calendar_App::$l10n->t('You do not have the permissions to delete this event.'));
}
}
$stmt = OCP\DB::prepare('DELETE FROM `*PREFIX*clndr_objects` WHERE `id` = ?');
$stmt->execute(array($id));
OC_Calendar_Calendar::touchCalendar($oldobject['calendarid']);
OCP\Share::unshareAll('event', $id);
OCP\Util::emitHook('OC_Calendar', 'deleteEvent', $id);
return true;
}
