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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @copyright Copyright (c) 2017, Georg Ehrke
*
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Georg Ehrke <oc.list@georgehrke.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\DAV\CalDAV;
use Sabre\VObject\Component;
use Sabre\VObject\Property;
use Sabre\VObject\Reader;
class CalendarObject extends \Sabre\CalDAV\CalendarObject {
/**
* @inheritdoc
*/
function get() {
$data = parent::get();
if ($this->isShared() && $this->objectData['classification'] === CalDavBackend::CLASSIFICATION_CONFIDENTIAL) {
return $this->createConfidentialObject($data);
}
return $data;
}
protected function isShared() {
if (!isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
return false;
}
return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri'];
}
/**
* @param string $calData
* @return string
*/
private static function createConfidentialObject($calData) {
$vObject = Reader::read($calData);
/** @var Component $vElement */
$vElement = null;
if(isset($vObject->VEVENT)) {
$vElement = $vObject->VEVENT;
}
if(isset($vObject->VJOURNAL)) {
$vElement = $vObject->VJOURNAL;
}
if(isset($vObject->VTODO)) {
$vElement = $vObject->VTODO;
}
if(!is_null($vElement)) {
foreach ($vElement->children() as &$property) {
/** @var Property $property */
switch($property->name) {
case 'CREATED':
case 'DTSTART':
case 'RRULE':
case 'DURATION':
case 'DTEND':
case 'CLASS':
case 'UID':
break;
case 'SUMMARY':
$property->setValue('Busy');
break;
default:
$vElement->__unset($property->name);
unset($property);
break;
}
}
}
return $vObject->serialize();
}
}
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