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82 lines
2.2 KiB
PHP
82 lines
2.2 KiB
PHP
<?php
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namespace Sabre\DAV;
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/**
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* This interface represents a file in the directory tree
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*
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* A file is a bit of a broad definition. In general it implies that on
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* this specific node a PUT or GET method may be performed, to either update,
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* or retrieve the contents of the file.
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*
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* @copyright Copyright (C) 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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interface IFile extends INode {
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/**
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* Replaces the contents of the file.
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*
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* The data argument is a readable stream resource.
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*
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* After a successful put operation, you may choose to return an ETag. The
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* etag must always be surrounded by double-quotes. These quotes must
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* appear in the actual string you're returning.
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*
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* Clients may use the ETag from a PUT request to later on make sure that
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* when they update the file, the contents haven't changed in the mean
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* time.
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*
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* If you don't plan to store the file byte-by-byte, and you return a
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* different object on a subsequent GET you are strongly recommended to not
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* return an ETag, and just return null.
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*
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* @param resource|string $data
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* @return string|null
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*/
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function put($data);
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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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function get();
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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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function getContentType();
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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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*
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* Return null if the ETag can not effectively be determined.
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*
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* The ETag must be surrounded by double-quotes, so something like this
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* would make a valid ETag:
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*
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* return '"someetag"';
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*
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* @return string|null
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*/
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function getETag();
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/**
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* Returns the size of the node, in bytes
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*
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* @return int
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*/
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function getSize();
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}
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