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