forked from friendica/friendica-addons
299 lines
7.2 KiB
PHP
299 lines
7.2 KiB
PHP
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<?php
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/**
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* The UserCalenders class contains all calendars associated to one user
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*
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* @package Sabre
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* @subpackage CalDAV
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* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
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* @author Evert Pot (http://www.rooftopsolutions.nl/)
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* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
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*/
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class Sabre_CalDAV_UserCalendars implements Sabre_DAV_IExtendedCollection, Sabre_DAVACL_IACL {
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/**
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* Principal backend
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*
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* @var Sabre_DAVACL_IPrincipalBackend
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*/
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protected $principalBackend;
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/**
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* CalDAV backend
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*
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* @var Sabre_CalDAV_Backend_Abstract
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*/
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protected $caldavBackend;
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/**
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* Principal information
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*
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* @var array
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*/
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protected $principalInfo;
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/**
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* Constructor
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*
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* @param Sabre_DAVACL_IPrincipalBackend $principalBackend
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* @param Sabre_CalDAV_Backend_Abstract $caldavBackend
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* @param mixed $userUri
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*/
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public function __construct(Sabre_DAVACL_IPrincipalBackend $principalBackend, Sabre_CalDAV_Backend_Abstract $caldavBackend, $userUri) {
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$this->principalBackend = $principalBackend;
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$this->caldavBackend = $caldavBackend;
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$this->principalInfo = $principalBackend->getPrincipalByPath($userUri);
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}
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/**
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* Returns the name of this object
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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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list(,$name) = Sabre_DAV_URLUtil::splitPath($this->principalInfo['uri']);
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return $name;
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}
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/**
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* Updates the name of this object
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*
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* @param string $name
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* @return void
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*/
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public function setName($name) {
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throw new Sabre_DAV_Exception_Forbidden();
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}
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/**
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* Deletes this object
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*
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* @return void
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*/
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public function delete() {
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throw new Sabre_DAV_Exception_Forbidden();
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}
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/**
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* Returns the last modification date
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*
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* @return int
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*/
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public function getLastModified() {
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return null;
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}
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/**
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* Creates a new file under this object.
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*
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* This is currently not allowed
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*
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* @param string $filename
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* @param resource $data
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* @return void
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*/
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public function createFile($filename, $data=null) {
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throw new Sabre_DAV_Exception_MethodNotAllowed('Creating new files in this collection is not supported');
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}
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/**
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* Creates a new directory under this object.
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*
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* This is currently not allowed.
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*
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* @param string $filename
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* @return void
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*/
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public function createDirectory($filename) {
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throw new Sabre_DAV_Exception_MethodNotAllowed('Creating new collections in this collection is not supported');
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}
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/**
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* Returns a single calendar, by name
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*
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* @param string $name
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* @todo needs optimizing
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* @return Sabre_CalDAV_Calendar
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*/
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public function getChild($name) {
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foreach($this->getChildren() as $child) {
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if ($name==$child->getName())
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return $child;
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}
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throw new Sabre_DAV_Exception_NotFound('Calendar with name \'' . $name . '\' could not be found');
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}
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/**
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* Checks if a calendar exists.
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*
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* @param string $name
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* @todo needs optimizing
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* @return bool
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*/
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public function childExists($name) {
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foreach($this->getChildren() as $child) {
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if ($name==$child->getName())
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return true;
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}
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return false;
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}
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/**
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* Returns a list of calendars
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*
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* @return array
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*/
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public function getChildren() {
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$calendars = $this->caldavBackend->getCalendarsForUser($this->principalInfo['uri']);
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$objs = array();
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foreach($calendars as $calendar) {
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$objs[] = new Sabre_CalDAV_Calendar($this->principalBackend, $this->caldavBackend, $calendar);
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}
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$objs[] = new Sabre_CalDAV_Schedule_Outbox($this->principalInfo['uri']);
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return $objs;
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}
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/**
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* Creates a new calendar
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*
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* @param string $name
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* @param array $resourceType
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* @param array $properties
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* @return void
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*/
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public function createExtendedCollection($name, array $resourceType, array $properties) {
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if (!in_array('{urn:ietf:params:xml:ns:caldav}calendar',$resourceType) || count($resourceType)!==2) {
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throw new Sabre_DAV_Exception_InvalidResourceType('Unknown resourceType for this collection');
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}
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$this->caldavBackend->createCalendar($this->principalInfo['uri'], $name, $properties);
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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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return $this->principalInfo['uri'];
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}
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/**
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* Returns a group 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 getGroup() {
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return null;
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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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return array(
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array(
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'privilege' => '{DAV:}read',
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'principal' => $this->principalInfo['uri'],
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'protected' => true,
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),
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array(
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'privilege' => '{DAV:}write',
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'principal' => $this->principalInfo['uri'],
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'protected' => true,
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),
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array(
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'privilege' => '{DAV:}read',
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'principal' => $this->principalInfo['uri'] . '/calendar-proxy-write',
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'protected' => true,
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),
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array(
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'privilege' => '{DAV:}write',
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'principal' => $this->principalInfo['uri'] . '/calendar-proxy-write',
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'protected' => true,
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),
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array(
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'privilege' => '{DAV:}read',
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'principal' => $this->principalInfo['uri'] . '/calendar-proxy-read',
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'protected' => true,
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),
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);
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}
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/**
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* Updates the ACL
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*
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* This method will receive a list of new ACE's.
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*
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* @param array $acl
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* @return void
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*/
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public function setACL(array $acl) {
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throw new Sabre_DAV_Exception_MethodNotAllowed('Changing ACL is not yet supported');
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}
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/**
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* Returns the list of supported privileges for this node.
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*
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* The returned data structure is a list of nested privileges.
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* See Sabre_DAVACL_Plugin::getDefaultSupportedPrivilegeSet for a simple
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* standard structure.
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*
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* If null is returned from this method, the default privilege set is used,
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* which is fine for most common usecases.
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*
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* @return array|null
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*/
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public function getSupportedPrivilegeSet() {
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return null;
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}
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}
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