341             $node = $this->server->tree->getNodeForPath($principal);
342             if ($node instanceof IPrincipal) {
343                 foreach ($node->getGroupMembership() as $groupMember) {
438      * @param string|INode $node
441     function getSupportedPrivilegeSet($node) {  argument
443         if (is_string($node)) {
444             $node = $this->server->tree->getNodeForPath($node);
448         if ($node instanceof IACL) {
449             $supportedPrivileges = $node->getSupportedPrivilegeSet();
487             if ($node instanceof DAV\ICollection) {
497             if ($node instanceof IACL) {
508             [$node, &$supportedPrivileges]
526      * @param string|INode $node
529     final function getFlatPrivilegeSet($node) {  argument
533             'aggregates' => $this->getSupportedPrivilegeSet($node)
587     function getAcl($node) {  argument
589         if (is_string($node)) {
590             $node = $this->server->tree->getNodeForPath($node);
592         if (!$node instanceof IACL) {
595         $acl = $node->getACL();
618     function getCurrentUserPrivilegeSet($node) {  argument
620         if (is_string($node)) {
621             $node = $this->server->tree->getNodeForPath($node);
624         $acl = $this->getACL($node);
637                     $owner = $node->getOwner();
675         $flat = $this->getFlatPrivilegeSet($node);
986     function propFind(DAV\PropFind $propFind, DAV\INode $node) {  argument
1011         if ($node instanceof IPrincipal) {
1013             $propFind->handle('{DAV:}alternate-URI-set', function() use ($node) {
1014                 return new Href($node->getAlternateUriSet());
1016             $propFind->handle('{DAV:}principal-URL', function() use ($node) {
1017                 return new Href($node->getPrincipalUrl() . '/');
1019             $propFind->handle('{DAV:}group-member-set', function() use ($node) {
1020                 $members = $node->getGroupMemberSet();
1026             $propFind->handle('{DAV:}group-membership', function() use ($node) {
1027                 $members = $node->getGroupMembership();
1033             $propFind->handle('{DAV:}displayname', [$node, 'getDisplayName']);
1052         $propFind->handle('{DAV:}supported-privilege-set', function() use ($node) {
1053             return new Xml\Property\SupportedPrivilegeSet($this->getSupportedPrivilegeSet($node));
1055 …   $propFind->handle('{DAV:}current-user-privilege-set', function() use ($node, $propFind, $path) {
1059                 $val = $this->getCurrentUserPrivilegeSet($node);
1063         $propFind->handle('{DAV:}acl', function() use ($node, $propFind, $path) {
1068                 $acl = $this->getACL($node);
1069                 return new Xml\Property\Acl($this->getACL($node));
1077         if ($node instanceof IACL) {
1078             $propFind->handle('{DAV:}owner', function() use ($node) {
1079                 return new Href($node->getOwner() . '/');
1106             $node = $this->server->tree->getNodeForPath($path);
1107             if (!($node instanceof IPrincipal)) {
1112             $node->setGroupMemberSet($memberSet);
1182         $node = $this->server->tree->getNodeForPath($path);
1184         if (!$node instanceof IACL) {
1188         $oldAcl = $this->getACL($node);
1190         $supportedPrivileges = $this->getFlatPrivilegeSet($node);
1235         $node->setACL($newAcl);
1398         foreach ($foundProperties as $node) {
1407                 if (!array_key_exists($propertyName, $node[200])) continue;
1409                 if (!$node[200][$propertyName] instanceof DAV\Xml\Property\Href) {
1413                 $childHrefs = $node[200][$propertyName]->getHrefs();
1425                 $node[200][$propertyName] = $childProps;
1428             $result[] = new DAV\Xml\Element\Response($node['href'], $node);
1596     function htmlActionsPanel(DAV\INode $node, &$output) {  argument
1598         if (!$node instanceof PrincipalCollection)