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<?php
namespace Sabre\CalDAV\Principal;
use Sabre\DAV;
use Sabre\DAVACL;
/**
* CalDAV principal
*
* This is a standard user-principal for CalDAV. This principal is also a
* collection and returns the caldav-proxy-read and caldav-proxy-write child
* principals.
*
* @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class User extends DAVACL\Principal implements DAV\ICollection {
/**
* Creates a new file in the directory
*
* @param string $name Name of the file
* @param resource $data Initial payload, passed as a readable stream resource.
* @throws DAV\Exception\Forbidden
* @return void
*/
public function createFile($name, $data = null) {
throw new DAV\Exception\Forbidden('Permission denied to create file (filename ' . $name . ')');
}
/**
* Creates a new subdirectory
*
* @param string $name
* @throws DAV\Exception\Forbidden
* @return void
*/
public function createDirectory($name) {
throw new DAV\Exception\Forbidden('Permission denied to create directory');
}
/**
* Returns a specific child node, referenced by its name
*
* @param string $name
* @return DAV\INode
*/
public function getChild($name) {
$principal = $this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/' . $name);
if (!$principal) {
throw new DAV\Exception\NotFound('Node with name ' . $name . ' was not found');
}
if ($name === 'calendar-proxy-read')
return new ProxyRead($this->principalBackend, $this->principalProperties);
if ($name === 'calendar-proxy-write')
return new ProxyWrite($this->principalBackend, $this->principalProperties);
throw new DAV\Exception\NotFound('Node with name ' . $name . ' was not found');
}
/**
* Returns an array with all the child nodes
*
* @return DAV\INode[]
*/
public function getChildren() {
$r = array();
if ($this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/calendar-proxy-read')) {
$r[] = new ProxyRead($this->principalBackend, $this->principalProperties);
}
if ($this->principalBackend->getPrincipalByPath($this->getPrincipalURL() . '/calendar-proxy-write')) {
$r[] = new ProxyWrite($this->principalBackend, $this->principalProperties);
}
return $r;
}
/**
* Returns whether or not the child node exists
*
* @param string $name
* @return bool
*/
public function childExists($name) {
try {
$this->getChild($name);
return true;
} catch (DAV\Exception\NotFound $e) {
return false;
}
}
/**
* 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() {
$acl = parent::getACL();
$acl[] = array(
'privilege' => '{DAV:}read',
'principal' => $this->principalProperties['uri'] . '/calendar-proxy-read',
'protected' => true,
);
$acl[] = array(
'privilege' => '{DAV:}read',
'principal' => $this->principalProperties['uri'] . '/calendar-proxy-write',
'protected' => true,
);
return $acl;
}
}
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