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<?php
namespace Sabre\DAV\FSExt;
use Sabre\DAV;
use Sabre\DAV\FS\Node;
/**
* Directory class
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Directory extends Node implements DAV\ICollection, DAV\IQuota, DAV\IMoveTarget {
/**
* Creates a new file in the directory
*
* Data will either be supplied as a stream resource, or in certain cases
* as a string. Keep in mind that you may have to support either.
*
* After successful creation of the file, you may choose to return the ETag
* of the new file here.
*
* The returned ETag must be surrounded by double-quotes (The quotes should
* be part of the actual string).
*
* If you cannot accurately determine the ETag, you should not return it.
* If you don't store the file exactly as-is (you're transforming it
* somehow) you should also not return an ETag.
*
* This means that if a subsequent GET to this new file does not exactly
* return the same contents of what was submitted here, you are strongly
* recommended to omit the ETag.
*
* @param string $name Name of the file
* @param resource|string $data Initial payload
* @return null|string
*/
function createFile($name, $data = null) {
// We're not allowing dots
if ($name == '.' || $name == '..') throw new DAV\Exception\Forbidden('Permission denied to . and ..');
$newPath = $this->path . '/' . $name;
file_put_contents($newPath, $data);
clearstatcache(true, $newPath);
return '"' . sha1(
fileinode($newPath) .
filesize($newPath) .
filemtime($newPath)
) . '"';
}
/**
* Creates a new subdirectory
*
* @param string $name
* @return void
*/
function createDirectory($name) {
// We're not allowing dots
if ($name == '.' || $name == '..') throw new DAV\Exception\Forbidden('Permission denied to . and ..');
$newPath = $this->path . '/' . $name;
mkdir($newPath);
clearstatcache(true, $newPath);
}
/**
* Returns a specific child node, referenced by its name
*
* This method must throw Sabre\DAV\Exception\NotFound if the node does not
* exist.
*
* @param string $name
* @throws DAV\Exception\NotFound
* @return DAV\INode
*/
function getChild($name) {
$path = $this->path . '/' . $name;
if (!file_exists($path)) throw new DAV\Exception\NotFound('File could not be located');
if ($name == '.' || $name == '..') throw new DAV\Exception\Forbidden('Permission denied to . and ..');
if (is_dir($path)) {
return new self($path);
} else {
return new File($path);
}
}
/**
* Checks if a child exists.
*
* @param string $name
* @return bool
*/
function childExists($name) {
if ($name == '.' || $name == '..')
throw new DAV\Exception\Forbidden('Permission denied to . and ..');
$path = $this->path . '/' . $name;
return file_exists($path);
}
/**
* Returns an array with all the child nodes
*
* @return DAV\INode[]
*/
function getChildren() {
$nodes = [];
$iterator = new \FilesystemIterator(
$this->path,
\FilesystemIterator::CURRENT_AS_SELF
| \FilesystemIterator::SKIP_DOTS
);
foreach ($iterator as $entry) {
$node = $entry->getFilename();
if ($node === '.sabredav')
continue;
$nodes[] = $this->getChild($node);
}
return $nodes;
}
/**
* Deletes all files in this directory, and then itself
*
* @return bool
*/
function delete() {
// Deleting all children
foreach ($this->getChildren() as $child) $child->delete();
// Removing resource info, if its still around
if (file_exists($this->path . '/.sabredav')) unlink($this->path . '/.sabredav');
// Removing the directory itself
rmdir($this->path);
return true;
}
/**
* Returns available diskspace information
*
* @return array
*/
function getQuotaInfo() {
$total = disk_total_space(realpath($this->path));
$free = disk_free_space(realpath($this->path));
return [
$total - $free,
$free
];
}
/**
* Moves a node into this collection.
*
* It is up to the implementors to:
* 1. Create the new resource.
* 2. Remove the old resource.
* 3. Transfer any properties or other data.
*
* Generally you should make very sure that your collection can easily move
* the move.
*
* If you don't, just return false, which will trigger sabre/dav to handle
* the move itself. If you return true from this function, the assumption
* is that the move was successful.
*
* @param string $targetName New local file/collection name.
* @param string $sourcePath Full path to source node
* @param DAV\INode $sourceNode Source node itself
* @return bool
*/
function moveInto($targetName, $sourcePath, DAV\INode $sourceNode) {
// We only support FSExt\Directory or FSExt\File objects, so
// anything else we want to quickly reject.
if (!$sourceNode instanceof self && !$sourceNode instanceof File) {
return false;
}
// PHP allows us to access protected properties from other objects, as
// long as they are defined in a class that has a shared inheritence
// with the current class.
rename($sourceNode->path, $this->path . '/' . $targetName);
return true;
}
}
|
