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<?php
/**
* Principal property
*
* The principal property represents a principal from RFC3744 (ACL).
* The property can be used to specify a principal or pseudo principals.
*
* @package Sabre
* @subpackage DAVACL
* @copyright Copyright (C) 2007-2012 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_DAVACL_Property_Principal extends Sabre_DAV_Property implements Sabre_DAV_Property_IHref {
/**
* To specify a not-logged-in user, use the UNAUTHENTICATED principal
*/
const UNAUTHENTICATED = 1;
/**
* To specify any principal that is logged in, use AUTHENTICATED
*/
const AUTHENTICATED = 2;
/**
* Specific principals can be specified with the HREF
*/
const HREF = 3;
/**
* Everybody, basically
*/
const ALL = 4;
/**
* Principal-type
*
* Must be one of the UNAUTHENTICATED, AUTHENTICATED or HREF constants.
*
* @var int
*/
private $type;
/**
* Url to principal
*
* This value is only used for the HREF principal type.
*
* @var string
*/
private $href;
/**
* Creates the property.
*
* The 'type' argument must be one of the type constants defined in this class.
*
* 'href' is only required for the HREF type.
*
* @param int $type
* @param string|null $href
*/
public function __construct($type, $href = null) {
$this->type = $type;
if ($type===self::HREF && is_null($href)) {
throw new Sabre_DAV_Exception('The href argument must be specified for the HREF principal type.');
}
$this->href = $href;
}
/**
* Returns the principal type
*
* @return int
*/
public function getType() {
return $this->type;
}
/**
* Returns the principal uri.
*
* @return string
*/
public function getHref() {
return $this->href;
}
/**
* Serializes the property into a DOMElement.
*
* @param Sabre_DAV_Server $server
* @param DOMElement $node
* @return void
*/
public function serialize(Sabre_DAV_Server $server, DOMElement $node) {
$prefix = $server->xmlNamespaces['DAV:'];
switch($this->type) {
case self::UNAUTHENTICATED :
$node->appendChild(
$node->ownerDocument->createElement($prefix . ':unauthenticated')
);
break;
case self::AUTHENTICATED :
$node->appendChild(
$node->ownerDocument->createElement($prefix . ':authenticated')
);
break;
case self::HREF :
$href = $node->ownerDocument->createElement($prefix . ':href');
$href->nodeValue = $server->getBaseUri() . $this->href;
$node->appendChild($href);
break;
}
}
/**
* Deserializes a DOM element into a property object.
*
* @param DOMElement $dom
* @return Sabre_DAVACL_Property_Principal
*/
static public function unserialize(DOMElement $dom) {
$parent = $dom->firstChild;
while(!Sabre_DAV_XMLUtil::toClarkNotation($parent)) {
$parent = $parent->nextSibling;
}
switch(Sabre_DAV_XMLUtil::toClarkNotation($parent)) {
case '{DAV:}unauthenticated' :
return new self(self::UNAUTHENTICATED);
case '{DAV:}authenticated' :
return new self(self::AUTHENTICATED);
case '{DAV:}href':
return new self(self::HREF, $parent->textContent);
case '{DAV:}all':
return new self(self::ALL);
default :
throw new Sabre_DAV_Exception_BadRequest('Unexpected element (' . Sabre_DAV_XMLUtil::toClarkNotation($parent) . '). Could not deserialize');
}
}
}
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