friendica-addons/dav/SabreDAV/lib/Sabre/DAV/FSExt/File.php

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2012-06-03 14:19:28 -04:00
<?php
/**
* File class
*
* @package Sabre
* @subpackage DAV
* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
* @author Evert Pot (http://www.rooftopsolutions.nl/)
* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
*/
class Sabre_DAV_FSExt_File extends Sabre_DAV_FSExt_Node implements Sabre_DAV_PartialUpdate_IFile {
/**
* Updates the data
*
* data is a readable stream resource.
*
* @param resource|string $data
* @return string
*/
public function put($data) {
file_put_contents($this->path,$data);
return '"' . md5_file($this->path) . '"';
}
/**
* Updates the data at a given offset
*
* The data argument is a readable stream resource.
* The offset argument is a 0-based offset where the data should be
* written.
*
* param resource|string $data
* @return void
*/
public function putRange($data, $offset) {
$f = fopen($this->path, 'c');
fseek($f,$offset-1);
if (is_string($data)) {
fwrite($f, $data);
} else {
stream_copy_to_stream($data,$f);
}
fclose($f);
return '"' . md5_file($this->path) . '"';
}
/**
* Returns the data
*
* @return resource
*/
public function get() {
return fopen($this->path,'r');
}
/**
* Delete the current file
*
* @return bool
*/
public function delete() {
unlink($this->path);
return parent::delete();
}
/**
* Returns the ETag for a file
*
* An ETag is a unique identifier representing the current version of the file. If the file changes, the ETag MUST change.
* The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
*
* Return null if the ETag can not effectively be determined
*
* @return string|null
*/
public function getETag() {
return '"' . md5_file($this->path). '"';
}
/**
* Returns the mime-type for a file
*
* If null is returned, we'll assume application/octet-stream
*
* @return string|null
*/
public function getContentType() {
return null;
}
/**
* Returns the size of the file, in bytes
*
* @return int
*/
public function getSize() {
return filesize($this->path);
}
}