86 lines
1.7 KiB
PHP
86 lines
1.7 KiB
PHP
<?php
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namespace Sabre\DAV;
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/**
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* File class
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*
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* This is a helper class, that should aid in getting file classes setup.
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* Most of its methods are implemented, and throw permission denied exceptions
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*
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* @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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abstract class File extends Node implements IFile {
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/**
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* Updates the data
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*
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* data is a readable stream resource.
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*
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* @param resource $data
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* @return void
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*/
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public function put($data) {
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throw new Exception\Forbidden('Permission denied to change data');
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}
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/**
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* Returns the data
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*
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* This method may either return a string or a readable stream resource
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*
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* @return mixed
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*/
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public function get() {
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throw new Exception\Forbidden('Permission denied to read this file');
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}
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/**
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* Returns the size of the file, in bytes.
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*
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* @return int
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*/
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public function getSize() {
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return 0;
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}
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/**
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* Returns the ETag for a file
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*
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* An ETag is a unique identifier representing the current version of the file. If the file changes, the ETag MUST change.
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* The ETag is an arbitrary string, but MUST be surrounded by double-quotes.
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*
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* Return null if the ETag can not effectively be determined
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*
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* @return string|null
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*/
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public function getETag() {
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return null;
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}
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/**
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* Returns the mime-type for a file
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*
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* If null is returned, we'll assume application/octet-stream
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*
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* @return string|null
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*/
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public function getContentType() {
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return null;
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}
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}
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