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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) 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 $data Initial payload, passed as a readable stream resource.
- * @throws DAV\Exception\Forbidden
- * @return void
- */
- function createFile($name, $data = null) {
- throw new DAV\Exception\Forbidden('Permission denied to create file (filename ' . $name . ')');
- }
- /**
- * Creates a new subdirectory
- *
- * @param string $name
- * @throws DAV\Exception\Forbidden
- * @return void
- */
- function createDirectory($name) {
- throw new DAV\Exception\Forbidden('Permission denied to create directory');
- }
- /**
- * Returns a specific child node, referenced by its name
- *
- * @param string $name
- * @return DAV\INode
- */
- function getChild($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[]
- */
- function getChildren() {
- $r = [];
- if ($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 $name
- * @return bool
- */
- function childExists($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
- */
- function getACL() {
- $acl = parent::getACL();
- $acl[] = [
- 'privilege' => '{DAV:}read',
- 'principal' => $this->principalProperties['uri'] . '/calendar-proxy-read',
- 'protected' => true,
- ];
- $acl[] = [
- 'privilege' => '{DAV:}read',
- 'principal' => $this->principalProperties['uri'] . '/calendar-proxy-write',
- 'protected' => true,
- ];
- return $acl;
- }
- }
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