/**
* @abstract
* @param AJXP_Node $ajxpNode
* @param String $nameSpace
* @param array $metaData
* @param bool $private
* @param int $scope
*/
public function setMetadata($ajxpNode, $nameSpace, $metaData, $private = false, $scope = AJXP_METADATA_SCOPE_REPOSITORY)
{
$path = $ajxpNode->getRealFile();
if (!file_exists($path)) {
return;
}
$key = $this->getMetaKey($nameSpace, $scope, $this->getUserId($private, $ajxpNode));
if (!xattr_supported($path)) {
throw new Exception("Filesystem does not support Extended Attributes!");
}
$value = base64_encode(serialize($metaData));
xattr_set($path, $key, $value);
}
/**
* Set a cache element using xattr
*
* @param string $name Name for cache element
* @param mixed $data Data to cache
* @param int $ttl Time to live
*
* @return bool
*/
private function setXattr($name, $data, $ttl)
{
$cacheFile = $name . ".cache";
$cached = file_put_contents($cacheFile, $data, LOCK_EX);
if ($cached === false) {
$this->raiseError("Error writing cache object (File), exiting gracefully", pathinfo($cacheFile));
$this->setErrorState();
return false;
}
$tagged = xattr_set($cacheFile, "EXPIRE", $ttl, XATTR_DONTFOLLOW);
if ($tagged === false) {
$this->raiseError("Error writing cache ttl (File) (XATTR), exiting gracefully", pathinfo($cacheFile));
$this->setErrorState();
return false;
}
return true;
}
/**
* Set file or extended attribute.
*
* @param string $att Attribute name
* @param mixed $value Attribute value
* @param int $flags FS::% options and/or XATTR_% options as binary set
*/
public function setAttribute($att, $value, $flags = 0)
{
if ($value === null && in_array($att, array('mode', 'perms', 'uid', 'owner', 'gid', 'group'))) {
throw new Exception("Unable to set attribute '{$att}' to null.");
}
switch ($att) {
case 'mode':
case 'perms':
$this->chmod($value, $flags);
break;
case 'uid':
case 'owner':
$this->chown($value, $flags);
break;
case 'gid':
case 'group':
$this->chgrp($value, $flags);
break;
case 'mtime':
case 'atime':
throw new Exception("Unable to set attribute '{$att}'; Use touch() method instead.");
case 'ctime':
case 'size':
case 'type':
case 'dev':
case 'ino':
case 'nlink':
case 'rdev':
case 'blksize':
case 'blocks':
throw new Exception("Unable to set attribute '{$att}'; Attribute is read-only.");
default:
if (!extension_loaded('xattr')) {
throw new Exception("Unable to set attribute '{$att}' for '{$this->_path}': Not a file attribute and extended attributes are not supported.");
}
if (!xattr_supported($this->_path, $flags)) {
throw new Fs_Exception("Unable to set attribute '{$att}' for '{$this->_path}': Extended attributes are not supported for that filesystem.");
}
$ret = $value === null ? @xattr_remove($this->_path, $att, $flags) : @xattr_set($this->_path, $att, $value, $flags);
if (!$ret) {
$error = error_get_last();
throw new Fs_Exception("Failed to set extended attribute '{$att}' for '{$this->_path}': {$error['message']}");
}
$this->clearStatCache();
}
}
