377 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			377 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			PHP
		
	
	
	
| <?php
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| 
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| namespace Sabre\CalDAV;
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| 
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| use Sabre\DAV;
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| use Sabre\DAVACL;
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| 
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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) 2007-2015 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, DAVACL\IACL {
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| 
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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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|     /**
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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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|     /**
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|      * Constructor
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|      *
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|      * @param Backend\BackendInterface $caldavBackend
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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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| 
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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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| 
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|     /**
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|      * Updates properties such as the display name and description
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|      *
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|      * @param array $mutations
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|      * @return array
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|      */
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|     public function updateProperties($mutations) {
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| 
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|         return $this->caldavBackend->updateCalendar($this->calendarInfo['id'],$mutations);
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| 
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|     }
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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 $requestedProperties
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|      * @return array
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|      */
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|     public function getProperties($requestedProperties) {
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| 
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|         $response = array();
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| 
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|         foreach($requestedProperties as $prop) switch($prop) {
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| 
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|             case '{urn:ietf:params:xml:ns:caldav}supported-calendar-data' :
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|                 $response[$prop] = new Property\SupportedCalendarData();
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|                 break;
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|             case '{urn:ietf:params:xml:ns:caldav}supported-collation-set' :
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|                 $response[$prop] =  new Property\SupportedCollationSet();
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|                 break;
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|             case '{DAV:}owner' :
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|                 $response[$prop] = new DAVACL\Property\Principal(DAVACL\Property\Principal::HREF,$this->calendarInfo['principaluri']);
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|                 break;
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|             default :
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|                 if (isset($this->calendarInfo[$prop])) $response[$prop] = $this->calendarInfo[$prop];
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|                 break;
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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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| 
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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 $name
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|      * @return \Sabre\CalDAV\ICalendarObject
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|      */
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|     public function getChild($name) {
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| 
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|         $obj = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'],$name);
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| 
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|         if (!$obj) throw new DAV\Exception\NotFound('Calendar object not found');
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| 
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|         $obj['acl'] = $this->getACL();
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|         // Removing the irrelivant
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|         foreach($obj['acl'] as $key=>$acl) {
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|             if ($acl['privilege'] === '{' . Plugin::NS_CALDAV . '}read-free-busy') {
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|                 unset($obj['acl'][$key]);
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|             }
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|         }
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| 
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|         return new CalendarObject($this->caldavBackend,$this->calendarInfo,$obj);
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| 
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|     }
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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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|         $children = array();
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|         foreach($objs as $obj) {
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|             $obj['acl'] = $this->getACL();
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|             // Removing the irrelivant
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|             foreach($obj['acl'] as $key=>$acl) {
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|                 if ($acl['privilege'] === '{' . Plugin::NS_CALDAV . '}read-free-busy') {
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|                     unset($obj['acl'][$key]);
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|                 }
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|             }
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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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| 
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|     /**
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|      * Checks if a child-node exists.
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|      *
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|      * @param string $name
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|      * @return bool
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|      */
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|     public function childExists($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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|     /**
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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 $name
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|      * @return void
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|      */
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|     public function createDirectory($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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| 
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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 $calendarData
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|      * @return string|null
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|      */
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|     public function createFile($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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| 
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|     /**
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|      * Deletes the calendar.
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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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| 
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|         $this->caldavBackend->deleteCalendar($this->calendarInfo['id']);
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| 
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|     }
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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 $newName
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|      * @return void
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|      */
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|     public function setName($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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| 
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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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|      * @return void
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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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| 
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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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| 
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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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| 
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|         return null;
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| 
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|     }
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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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|         return array(
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|             array(
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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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|             array(
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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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|             array(
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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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|             array(
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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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|             array(
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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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|             array(
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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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|         );
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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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| 
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|         throw new DAV\Exception\MethodNotAllowed('Changing ACL is not yet supported');
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| 
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|     }
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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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| 
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|         $default = DAVACL\Plugin::getDefaultSupportedPrivilegeSet();
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| 
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|         // We need to inject 'read-free-busy' in the tree, aggregated under
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|         // {DAV:}read.
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|         foreach($default['aggregates'] as &$agg) {
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| 
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|             if ($agg['privilege'] !== '{DAV:}read') continue;
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| 
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|             $agg['aggregates'][] = array(
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|                 'privilege' => '{' . Plugin::NS_CALDAV . '}read-free-busy',
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|             );
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| 
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|         }
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|         return $default;
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| 
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|     }
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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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|      * @param array $filters
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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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| 
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| }
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