<?php
namespace Sabre\DAVACL;
use Sabre\DAV;
/**
* Principal class
*
* This class is a representation of a simple principal
*
* Many WebDAV specs require a user to show up in the directory
* structure.
*
* This principal also has basic ACL settings, only allowing the principal
* access it's own principal.
*
* @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 Principal extends DAV\Node implements IPrincipal, DAV\IProperties, IACL {
/**
* Struct with principal information.
*
* @var array
*/
protected $principalProperties;
/**
* Principal backend
*
* @var PrincipalBackend\BackendInterface
*/
protected $principalBackend;
/**
* Creates the principal object
*
* @param IPrincipalBackend $principalBackend
* @param array $principalProperties
*/
public function __construct(PrincipalBackend\BackendInterface $principalBackend, array $principalProperties = array()) {
if (!isset($principalProperties['uri'])) {
throw new DAV\Exception('The principal properties must at least contain the \'uri\' key');
}
$this->principalBackend = $principalBackend;
$this->principalProperties = $principalProperties;
}
/**
* Returns the full principal url
*
* @return string
*/
public function getPrincipalUrl() {
return $this->principalProperties['uri'];
}
/**
* Returns a list of alternative urls for a principal
*
* This can for example be an email address, or ldap url.
*
* @return array
*/
public function getAlternateUriSet() {
$uris = array();
if (isset($this->principalProperties['{DAV:}alternate-URI-set'])) {
$uris = $this->principalProperties['{DAV:}alternate-URI-set'];
}
if (isset($this->principalProperties['{http://sabredav.org/ns}email-address'])) {
$uris[] = 'mailto:' . $this->principalProperties['{http://sabredav.org/ns}email-address'];
}
return array_unique($uris);
}
/**
* Returns the list of group members
*
* If this principal is a group, this function should return
* all member principal uri's for the group.
*
* @return array
*/
public function getGroupMemberSet() {
return $this->principalBackend->getGroupMemberSet($this->principalProperties['uri']);
}
/**
* Returns the list of groups this principal is member of
*
* If this principal is a member of a (list of) groups, this function
* should return a list of principal uri's for it's members.
*
* @return array
*/
public function getGroupMembership() {
return $this->principalBackend->getGroupMemberShip($this->principalProperties['uri']);
}
/**
* Sets a list of group members
*
* If this principal is a group, this method sets all the group members.
* The list of members is always overwritten, never appended to.
*
* This method should throw an exception if the members could not be set.
*
* @param array $groupMembers
* @return void
*/
public function setGroupMemberSet(array $groupMembers) {
$this->principalBackend->setGroupMemberSet($this->principalProperties['uri'], $groupMembers);
}
/**
* Returns this principals name.
*
* @return string
*/
public function getName() {
$uri = $this->principalProperties['uri'];
list(, $name) = DAV\URLUtil::splitPath($uri);
return $name;
}
/**
* Returns the name of the user
*
* @return string
*/
public function getDisplayName() {
if (isset($this->principalProperties['{DAV:}displayname'])) {
return $this->principalProperties['{DAV:}displayname'];
} else {
return $this->getName();
}
}
/**
* Returns a list of properties
*
* @param array $requestedProperties
* @return array
*/
public function getProperties($requestedProperties) {
$newProperties = array();
foreach($requestedProperties as $propName) {
if (isset($this->principalProperties[$propName])) {
$newProperties[$propName] = $this->principalProperties[$propName];
}
}
return $newProperties;
}
/**
* Updates this principals properties.
*
* @param array $mutations
* @see Sabre\DAV\IProperties::updateProperties
* @return bool|array
*/
public function updateProperties($mutations) {
return $this->principalBackend->updatePrincipal($this->principalProperties['uri'], $mutations);
}
/**
* 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->principalProperties['uri'];
}
/**
* 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->getPrincipalUrl(),
'protected' => true,
),
);
}
/**
* Updates the ACL
*
* This method will receive a list of new ACE's.
*
* @param array $acl
* @return void
*/
public function setACL(array $acl) {
throw new DAV\Exception\MethodNotAllowed('Updating ACLs is not allowed here');
}
/**
* 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;
}
}
