forked from friendica/friendica-addons
161 lines
4 KiB
PHP
161 lines
4 KiB
PHP
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<?php
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/**
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* Principal property
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*
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* The principal property represents a principal from RFC3744 (ACL).
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* The property can be used to specify a principal or pseudo principals.
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*
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* @package Sabre
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* @subpackage DAVACL
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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_DAVACL_Property_Principal extends Sabre_DAV_Property implements Sabre_DAV_Property_IHref {
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/**
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* To specify a not-logged-in user, use the UNAUTHENTICATED principal
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*/
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const UNAUTHENTICATED = 1;
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/**
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* To specify any principal that is logged in, use AUTHENTICATED
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*/
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const AUTHENTICATED = 2;
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/**
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* Specific principals can be specified with the HREF
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*/
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const HREF = 3;
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/**
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* Everybody, basically
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*/
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const ALL = 4;
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/**
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* Principal-type
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*
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* Must be one of the UNAUTHENTICATED, AUTHENTICATED or HREF constants.
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*
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* @var int
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*/
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private $type;
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/**
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* Url to principal
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*
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* This value is only used for the HREF principal type.
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*
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* @var string
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*/
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private $href;
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/**
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* Creates the property.
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*
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* The 'type' argument must be one of the type constants defined in this class.
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*
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* 'href' is only required for the HREF type.
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*
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* @param int $type
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* @param string|null $href
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*/
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public function __construct($type, $href = null) {
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$this->type = $type;
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if ($type===self::HREF && is_null($href)) {
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throw new Sabre_DAV_Exception('The href argument must be specified for the HREF principal type.');
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}
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$this->href = $href;
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}
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/**
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* Returns the principal type
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*
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* @return int
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*/
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public function getType() {
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return $this->type;
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}
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/**
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* Returns the principal uri.
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*
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* @return string
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*/
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public function getHref() {
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return $this->href;
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}
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/**
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* Serializes the property into a DOMElement.
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*
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* @param Sabre_DAV_Server $server
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* @param DOMElement $node
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* @return void
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*/
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public function serialize(Sabre_DAV_Server $server, DOMElement $node) {
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$prefix = $server->xmlNamespaces['DAV:'];
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switch($this->type) {
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case self::UNAUTHENTICATED :
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$node->appendChild(
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$node->ownerDocument->createElement($prefix . ':unauthenticated')
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);
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break;
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case self::AUTHENTICATED :
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$node->appendChild(
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$node->ownerDocument->createElement($prefix . ':authenticated')
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);
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break;
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case self::HREF :
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$href = $node->ownerDocument->createElement($prefix . ':href');
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$href->nodeValue = $server->getBaseUri() . $this->href;
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$node->appendChild($href);
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break;
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}
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}
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/**
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* Deserializes a DOM element into a property object.
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*
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* @param DOMElement $dom
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* @return Sabre_DAVACL_Property_Principal
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*/
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static public function unserialize(DOMElement $dom) {
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$parent = $dom->firstChild;
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while(!Sabre_DAV_XMLUtil::toClarkNotation($parent)) {
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$parent = $parent->nextSibling;
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}
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switch(Sabre_DAV_XMLUtil::toClarkNotation($parent)) {
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case '{DAV:}unauthenticated' :
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return new self(self::UNAUTHENTICATED);
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case '{DAV:}authenticated' :
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return new self(self::AUTHENTICATED);
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case '{DAV:}href':
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return new self(self::HREF, $parent->textContent);
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case '{DAV:}all':
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return new self(self::ALL);
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default :
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throw new Sabre_DAV_Exception_BadRequest('Unexpected element (' . Sabre_DAV_XMLUtil::toClarkNotation($parent) . '). Could not deserialize');
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}
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}
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}
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