friendica-addons/dav/common/dav_user_addressbooks.inc.php

<?php

/**
 * The UserCalenders class contains all calendars associated to one user
 *
 * @package Sabre
 * @subpackage CalDAV
 * @copyright Copyright (C) 2007-2011 Rooftop Solutions. All rights reserved.
 * @author Evert Pot (http://www.rooftopsolutions.nl/)
 * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
 */
class Sabre_CardDAV_UserAddressBooksMultiBackend extends Sabre_DAV_Collection implements Sabre_DAV_IExtendedCollection, Sabre_DAVACL_IACL {

	/**
	 * Principal uri
	 *
	 * @var array
	 */
	protected $principalUri;

	/**
	 * carddavBackend
	 *
	 * @var array|Sabre_CardDAV_Backend_Abstract[]
	 */
	protected $carddavBackends;

	/**
	 * Constructor
	 *
	 * @param array|Sabre_CardDAV_Backend_Abstract[] $carddavBackends
	 * @param string $principalUri
	 */
	public function __construct($carddavBackends, $principalUri) {

		$this->carddavBackends = $carddavBackends;
		$this->principalUri = $principalUri;

	}

	/**
	 * Returns the name of this object
	 *
	 * @return string
	 */
	public function getName() {

		list(,$name) = Sabre_DAV_URLUtil::splitPath($this->principalUri);
		return $name;

	}

	/**
	 * Updates the name of this object
	 *
	 * @param string $name
	 * @throws Sabre_DAV_Exception_MethodNotAllowed
	 * @return void
	 */
	public function setName($name) {

		throw new Sabre_DAV_Exception_MethodNotAllowed();

	}

	/**
	 * Deletes this object
	 *
	 * @throws Sabre_DAV_Exception_MethodNotAllowed
	 * @return void
	 */
	public function delete() {

		throw new Sabre_DAV_Exception_MethodNotAllowed();

	}

	/**
	 * Returns the last modification date
	 *
	 * @return int
	 */
	public function getLastModified() {

		return null;

	}

	/**
	 * Creates a new file under this object.
	 *
	 * This is currently not allowed
	 *
	 * @param string $filename
	 * @param resource $data
	 * @throws Sabre_DAV_Exception_MethodNotAllowed
	 * @return null|string|void
	 */
	public function createFile($filename, $data=null) {

		throw new Sabre_DAV_Exception_MethodNotAllowed('Creating new files in this collection is not supported');

	}

	/**
	 * Creates a new directory under this object.
	 *
	 * This is currently not allowed.
	 *
	 * @param string $filename
	 * @throws Sabre_DAV_Exception_MethodNotAllowed
	 * @return void
	 */
	public function createDirectory($filename) {

		throw new Sabre_DAV_Exception_MethodNotAllowed('Creating new collections in this collection is not supported');

	}

	/**
	 * Returns a single calendar, by name
	 *
	 * @param string $name
	 * @throws Sabre_DAV_Exception_NotFound
	 * @todo needs optimizing
	 * @return \Sabre_CardDAV_AddressBook|\Sabre_DAV_INode
	 */
	public function getChild($name) {

		foreach($this->getChildren() as $child) {
			if ($name==$child->getName())
				return $child;

		}
		throw new Sabre_DAV_Exception_NotFound('Addressbook with name \'' . $name . '\' could not be found');

	}

	/**
	 * Returns a list of addressbooks
	 *
	 * @return array|Sabre_DAV_INode[]
	 */
	public function getChildren() {

		$objs = array();
		foreach ($this->carddavBackends as $backend) {
			$addressbooks = $backend->getAddressbooksForUser($this->principalUri);
			foreach($addressbooks as $addressbook) {
				$objs[] = new Sabre_CardDAV_AddressBook($backend, $addressbook);
			}
		}
		return $objs;

	}

	/**
	 * Creates a new addressbook
	 *
	 * @param string $name
	 * @param array $resourceType
	 * @param array $properties
	 * @throws Sabre_DAV_Exception_InvalidResourceType
	 * @return void
	 */
	public function createExtendedCollection($name, array $resourceType, array $properties) {

		if (!in_array('{'.Sabre_CardDAV_Plugin::NS_CARDDAV.'}addressbook',$resourceType) || count($resourceType)!==2) {
			throw new Sabre_DAV_Exception_InvalidResourceType('Unknown resourceType for this collection');
		}
		$this->carddavBackends[0]->createAddressBook($this->principalUri, $name, $properties);

	}

	/**
	 * Returns the owner principal
	 *
	 * This must be a url to a principal, or null if there's no owner
	 *
	 * @return string|null
	 */
	public function getOwner() {

		return $this->principalUri;

	}

	/**
	 * Returns a group principal
	 *
	 * This must be a url to a principal, or null if there's no owner
	 *
	 * @return string|null
	 */
	public function getGroup() {

		return null;

	}

	/**
	 * Returns a list of ACE's for this node.
	 *
	 * Each ACE has the following properties:
	 *   * 'privilege', a string such as {DAV:}read or {DAV:}write. These are
	 *     currently the only supported privileges
	 *   * 'principal', a url to the principal who owns the node
	 *   * 'protected' (optional), indicating that this ACE is not allowed to
	 *      be updated.
	 *
	 * @return array
	 */
	public function getACL() {

		return array(
			array(
				'privilege' => '{DAV:}read',
				'principal' => $this->principalUri,
				'protected' => true,
			),
			array(
				'privilege' => '{DAV:}write',
				'principal' => $this->principalUri,
				'protected' => true,
			),

		);

	}

	/**
	 * Updates the ACL
	 *
	 * This method will receive a list of new ACE's.
	 *
	 * @param array $acl
	 * @throws Sabre_DAV_Exception_MethodNotAllowed
	 * @return void
	 */
	public function setACL(array $acl) {

		throw new Sabre_DAV_Exception_MethodNotAllowed('Changing ACL is not yet supported');

	}

	/**
	 * Returns the list of supported privileges for this node.
	 *
	 * The returned data structure is a list of nested privileges.
	 * See Sabre_DAVACL_Plugin::getDefaultSupportedPrivilegeSet for a simple
	 * standard structure.
	 *
	 * If null is returned from this method, the default privilege set is used,
	 * which is fine for most common usecases.
	 *
	 * @return array|null
	 */
	public function getSupportedPrivilegeSet() {

		return null;

	}

}