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451
vendor/sabre/dav/lib/CalDAV/Calendar.php
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451
vendor/sabre/dav/lib/CalDAV/Calendar.php
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<?php
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declare(strict_types=1);
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namespace Sabre\CalDAV;
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use Sabre\DAV;
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use Sabre\DAV\PropPatch;
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use Sabre\DAVACL;
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/**
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* This object represents a CalDAV calendar.
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*
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* A calendar can contain multiple TODO and or Events. These are represented
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* as \Sabre\CalDAV\CalendarObject objects.
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*
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* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class Calendar implements ICalendar, DAV\IProperties, DAV\Sync\ISyncCollection, DAV\IMultiGet
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{
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use DAVACL\ACLTrait;
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/**
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* This is an array with calendar information.
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*
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* @var array
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*/
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protected $calendarInfo;
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/**
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* CalDAV backend.
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*
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* @var Backend\BackendInterface
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*/
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protected $caldavBackend;
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/**
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* Constructor.
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*
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* @param array $calendarInfo
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*/
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public function __construct(Backend\BackendInterface $caldavBackend, $calendarInfo)
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{
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$this->caldavBackend = $caldavBackend;
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$this->calendarInfo = $calendarInfo;
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}
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/**
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* Returns the name of the calendar.
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*
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* @return string
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*/
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public function getName()
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{
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return $this->calendarInfo['uri'];
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}
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/**
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* Updates properties on this node.
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*
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* This method received a PropPatch object, which contains all the
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* information about the update.
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*
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* To update specific properties, call the 'handle' method on this object.
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* Read the PropPatch documentation for more information.
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*/
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public function propPatch(PropPatch $propPatch)
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{
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return $this->caldavBackend->updateCalendar($this->calendarInfo['id'], $propPatch);
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}
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/**
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* Returns the list of properties.
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*
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* @param array $requestedProperties
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*
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* @return array
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*/
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public function getProperties($requestedProperties)
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{
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$response = [];
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foreach ($this->calendarInfo as $propName => $propValue) {
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if (!is_null($propValue) && '{' === $propName[0]) {
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$response[$propName] = $this->calendarInfo[$propName];
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}
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}
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return $response;
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}
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/**
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* Returns a calendar object.
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*
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* The contained calendar objects are for example Events or Todo's.
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*
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* @param string $name
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*
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* @return \Sabre\CalDAV\ICalendarObject
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*/
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public function getChild($name)
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{
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$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
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if (!$obj) {
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throw new DAV\Exception\NotFound('Calendar object not found');
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}
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$obj['acl'] = $this->getChildACL();
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return new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
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}
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/**
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* Returns the full list of calendar objects.
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*
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* @return array
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*/
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public function getChildren()
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{
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$objs = $this->caldavBackend->getCalendarObjects($this->calendarInfo['id']);
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$children = [];
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foreach ($objs as $obj) {
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$obj['acl'] = $this->getChildACL();
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$children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
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}
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return $children;
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}
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/**
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* This method receives a list of paths in it's first argument.
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* It must return an array with Node objects.
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*
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* If any children are not found, you do not have to return them.
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*
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* @param string[] $paths
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*
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* @return array
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*/
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public function getMultipleChildren(array $paths)
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{
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$objs = $this->caldavBackend->getMultipleCalendarObjects($this->calendarInfo['id'], $paths);
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$children = [];
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foreach ($objs as $obj) {
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$obj['acl'] = $this->getChildACL();
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$children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
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}
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return $children;
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}
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/**
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* Checks if a child-node exists.
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*
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* @param string $name
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*
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* @return bool
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*/
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public function childExists($name)
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{
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$obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $name);
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if (!$obj) {
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return false;
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} else {
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return true;
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}
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}
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/**
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* Creates a new directory.
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*
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* We actually block this, as subdirectories are not allowed in calendars.
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*
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* @param string $name
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*/
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public function createDirectory($name)
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{
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throw new DAV\Exception\MethodNotAllowed('Creating collections in calendar objects is not allowed');
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}
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/**
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* Creates a new file.
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*
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* The contents of the new file must be a valid ICalendar string.
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*
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* @param string $name
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* @param resource $calendarData
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*
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* @return string|null
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*/
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public function createFile($name, $calendarData = null)
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{
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if (is_resource($calendarData)) {
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$calendarData = stream_get_contents($calendarData);
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}
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return $this->caldavBackend->createCalendarObject($this->calendarInfo['id'], $name, $calendarData);
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}
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/**
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* Deletes the calendar.
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*/
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public function delete()
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{
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$this->caldavBackend->deleteCalendar($this->calendarInfo['id']);
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}
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/**
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* Renames the calendar. Note that most calendars use the
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* {DAV:}displayname to display a name to display a name.
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*
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* @param string $newName
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*/
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public function setName($newName)
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{
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throw new DAV\Exception\MethodNotAllowed('Renaming calendars is not yet supported');
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}
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/**
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* Returns the last modification date as a unix timestamp.
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*/
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public function getLastModified()
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{
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return null;
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}
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/**
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* Returns the owner principal.
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*
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* This must be a url to a principal, or null if there's no owner
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*
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* @return string|null
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*/
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public function getOwner()
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{
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return $this->calendarInfo['principaluri'];
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}
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/**
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* Returns a list of ACE's for this node.
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*
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* Each ACE has the following properties:
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* * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
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* currently the only supported privileges
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* * 'principal', a url to the principal who owns the node
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* * 'protected' (optional), indicating that this ACE is not allowed to
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* be updated.
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*
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* @return array
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*/
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public function getACL()
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{
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$acl = [
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[
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'privilege' => '{DAV:}read',
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'principal' => $this->getOwner(),
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'protected' => true,
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],
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[
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'privilege' => '{DAV:}read',
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'principal' => $this->getOwner().'/calendar-proxy-write',
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'protected' => true,
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],
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[
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'privilege' => '{DAV:}read',
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'principal' => $this->getOwner().'/calendar-proxy-read',
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'protected' => true,
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],
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[
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'privilege' => '{'.Plugin::NS_CALDAV.'}read-free-busy',
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'principal' => '{DAV:}authenticated',
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'protected' => true,
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],
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];
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if (empty($this->calendarInfo['{http://sabredav.org/ns}read-only'])) {
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$acl[] = [
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'privilege' => '{DAV:}write',
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'principal' => $this->getOwner(),
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'protected' => true,
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];
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$acl[] = [
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'privilege' => '{DAV:}write',
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'principal' => $this->getOwner().'/calendar-proxy-write',
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'protected' => true,
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];
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}
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return $acl;
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}
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/**
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* This method returns the ACL's for calendar objects in this calendar.
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* The result of this method automatically gets passed to the
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* calendar-object nodes in the calendar.
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*
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* @return array
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*/
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public function getChildACL()
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{
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$acl = [
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[
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'privilege' => '{DAV:}read',
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'principal' => $this->getOwner(),
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'protected' => true,
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],
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[
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'privilege' => '{DAV:}read',
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'principal' => $this->getOwner().'/calendar-proxy-write',
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'protected' => true,
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],
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[
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'privilege' => '{DAV:}read',
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'principal' => $this->getOwner().'/calendar-proxy-read',
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'protected' => true,
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],
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];
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if (empty($this->calendarInfo['{http://sabredav.org/ns}read-only'])) {
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$acl[] = [
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'privilege' => '{DAV:}write',
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'principal' => $this->getOwner(),
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'protected' => true,
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];
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$acl[] = [
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'privilege' => '{DAV:}write',
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'principal' => $this->getOwner().'/calendar-proxy-write',
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'protected' => true,
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];
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}
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return $acl;
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}
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/**
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* Performs a calendar-query on the contents of this calendar.
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*
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* The calendar-query is defined in RFC4791 : CalDAV. Using the
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* calendar-query it is possible for a client to request a specific set of
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* object, based on contents of iCalendar properties, date-ranges and
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* iCalendar component types (VTODO, VEVENT).
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*
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* This method should just return a list of (relative) urls that match this
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* query.
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*
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* The list of filters are specified as an array. The exact array is
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* documented by Sabre\CalDAV\CalendarQueryParser.
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*
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* @return array
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*/
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public function calendarQuery(array $filters)
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{
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return $this->caldavBackend->calendarQuery($this->calendarInfo['id'], $filters);
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}
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/**
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* This method returns the current sync-token for this collection.
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* This can be any string.
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*
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* If null is returned from this function, the plugin assumes there's no
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* sync information available.
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*
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* @return string|null
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*/
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public function getSyncToken()
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{
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if (
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$this->caldavBackend instanceof Backend\SyncSupport &&
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isset($this->calendarInfo['{DAV:}sync-token'])
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) {
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return $this->calendarInfo['{DAV:}sync-token'];
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}
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if (
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$this->caldavBackend instanceof Backend\SyncSupport &&
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isset($this->calendarInfo['{http://sabredav.org/ns}sync-token'])
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) {
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return $this->calendarInfo['{http://sabredav.org/ns}sync-token'];
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}
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}
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/**
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* The getChanges method returns all the changes that have happened, since
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* the specified syncToken and the current collection.
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*
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* This function should return an array, such as the following:
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*
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* [
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* 'syncToken' => 'The current synctoken',
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* 'added' => [
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* 'new.txt',
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* ],
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* 'modified' => [
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* 'modified.txt',
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* ],
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* 'deleted' => [
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* 'foo.php.bak',
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* 'old.txt'
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* ]
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* ];
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*
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* The syncToken property should reflect the *current* syncToken of the
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* collection, as reported getSyncToken(). This is needed here too, to
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* ensure the operation is atomic.
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*
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* If the syncToken is specified as null, this is an initial sync, and all
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* members should be reported.
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*
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* The modified property is an array of nodenames that have changed since
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* the last token.
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*
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* The deleted property is an array with nodenames, that have been deleted
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* from collection.
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*
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* The second argument is basically the 'depth' of the report. If it's 1,
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* you only have to report changes that happened only directly in immediate
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* descendants. If it's 2, it should also include changes from the nodes
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* below the child collections. (grandchildren)
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*
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* The third (optional) argument allows a client to specify how many
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* results should be returned at most. If the limit is not specified, it
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* should be treated as infinite.
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*
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* If the limit (infinite or not) is higher than you're willing to return,
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* you should throw a Sabre\DAV\Exception\TooMuchMatches() exception.
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*
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* If the syncToken is expired (due to data cleanup) or unknown, you must
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* return null.
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*
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* The limit is 'suggestive'. You are free to ignore it.
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*
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* @param string $syncToken
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* @param int $syncLevel
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* @param int $limit
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*
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* @return array
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*/
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public function getChanges($syncToken, $syncLevel, $limit = null)
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{
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if (!$this->caldavBackend instanceof Backend\SyncSupport) {
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return null;
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}
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return $this->caldavBackend->getChangesForCalendar(
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$this->calendarInfo['id'],
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$syncToken,
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$syncLevel,
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$limit
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);
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}
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}
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Block a user