/**
* Check xattr (filesystem) support
*
* @return bool
*/
private static function checkXattrFilesystemSupport($folder)
{
return xattr_supported($folder);
}
/**
* @abstract
* @param AJXP_Node $ajxpNode
* @param String $nameSpace
* @param bool|String $private
* @param int $scope
* @return array()
*/
public function retrieveMetadata($ajxpNode, $nameSpace, $private = false, $scope = AJXP_METADATA_SCOPE_REPOSITORY)
{
$path = $ajxpNode->getRealFile();
if (!file_exists($path)) {
return array();
}
if (!xattr_supported($path)) {
//throw new Exception("Filesystem does not support Extended Attributes!");
return array();
}
if ($private == AJXP_METADATA_ALLUSERS) {
$startKey = $this->getMetaKey($nameSpace, $scope, "");
$arrMeta = array();
$keyList = xattr_list($path);
foreach ($keyList as $k) {
if (strpos($k, $startKey) === 0) {
$mData = xattr_get($path, $k);
$decData = unserialize(base64_decode($mData));
if (is_array($decData)) {
$arrMeta = array_merge_recursive($arrMeta, $decData);
}
}
}
return $arrMeta;
} else {
$key = $this->getMetaKey($nameSpace, $scope, $this->getUserId($private, $ajxpNode));
$data = xattr_get($path, $key);
$data = unserialize(base64_decode($data));
if (empty($data) || !is_array($data)) {
return array();
}
return $data;
}
}
/**
* ArrayAccess; Check if attribute exists.
*
* @param string $att Attribute name
* @return boolean
*/
public function offsetExists($att)
{
return in_array($att, array('size', 'type', 'atime', 'ctime', 'mtime', 'mode', 'perms', 'uid', 'owner', 'gid', 'group', 'dev', 'ino', 'nlink', 'rdev', 'blksize', 'blocks')) || extension_loaded('xattr') && xattr_supported($this->_path) && xattr_get($this->_path, $att) !== false;
}
/**
* @abstract
* @param AJXP_Node $ajxpNode
* @param String $nameSpace
* @param bool $private
* @param int $scope
*/
public function retrieveMetadata($ajxpNode, $nameSpace, $private = false, $scope = AJXP_METADATA_SCOPE_REPOSITORY)
{
$path = $ajxpNode->getRealFile();
if (!file_exists($path)) {
return array();
}
$key = $this->getMetaKey($nameSpace, $scope, $this->getUserId($private));
if (!xattr_supported($path)) {
//throw new Exception("Filesystem does not support Extended Attributes!");
return array();
}
$data = xattr_get($path, $key);
$data = unserialize(base64_decode($data));
if (empty($data) || !is_array($data)) {
return array();
}
return $data;
}
