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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @copyright Copyright (c) 2017, Georg Ehrke
* @copyright Copyright (c) 2020, Gary Kim <gary@garykim.dev>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Gary Kim <gary@garykim.dev>
* @author Georg Ehrke <oc.list@georgehrke.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @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 OCP\IL10N;
use Sabre\VObject\Component;
use Sabre\VObject\Property;
use Sabre\VObject\Reader;
class CalendarObject extends \Sabre\CalDAV\CalendarObject {
/** @var IL10N */
protected $l10n;
/**
* CalendarObject constructor.
*
* @param CalDavBackend $caldavBackend
* @param IL10N $l10n
* @param array $calendarInfo
* @param array $objectData
*/
public function __construct(CalDavBackend $caldavBackend, IL10N $l10n,
array $calendarInfo,
array $objectData) {
parent::__construct($caldavBackend, $calendarInfo, $objectData);
if ($this->isShared()) {
unset($this->objectData['size']);
}
$this->l10n = $l10n;
}
/**
* @inheritdoc
*/
public function get() {
$data = parent::get();
if (!$this->isShared()) {
return $data;
}
$vObject = Reader::read($data);
// remove VAlarms if calendar is shared read-only
if (!$this->canWrite()) {
$this->removeVAlarms($vObject);
}
// shows as busy if event is declared confidential
if ($this->objectData['classification'] === CalDavBackend::CLASSIFICATION_CONFIDENTIAL) {
$this->createConfidentialObject($vObject);
}
return $vObject->serialize();
}
public function getId(): int {
return (int) $this->objectData['id'];
}
protected function isShared() {
if (!isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
return false;
}
return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'] !== $this->calendarInfo['principaluri'];
}
/**
* @param Component\VCalendar $vObject
* @return void
*/
private function createConfidentialObject(Component\VCalendar $vObject) {
/** @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':
$property->setValue($this->l10n->t('Busy'));
break;
default:
$vElement->__unset($property->name);
unset($property);
break;
}
}
}
}
/**
* @param Component\VCalendar $vObject
* @return void
*/
private function removeVAlarms(Component\VCalendar $vObject) {
$subcomponents = $vObject->getComponents();
foreach ($subcomponents as $subcomponent) {
unset($subcomponent->VALARM);
}
}
/**
* @return bool
*/
private function canWrite() {
if (isset($this->calendarInfo['{http://owncloud.org/ns}read-only'])) {
return !$this->calendarInfo['{http://owncloud.org/ns}read-only'];
}
return true;
}
public function getCalendarId(): int {
return (int)$this->objectData['calendarid'];
}
public function getPrincipalUri(): string {
return $this->calendarInfo['principaluri'];
}
}
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