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<?php
namespace dokuwiki\File;
use JpegMeta;
class MediaFile
{
protected $id;
protected $rev;
protected $path;
protected $mime;
protected $ext;
protected $downloadable;
protected $width;
protected $height;
protected $meta;
/**
* MediaFile constructor.
* @param string $id
* @param string|int $rev optional revision
*/
public function __construct($id, $rev = '')
{
$this->id = $id; //FIXME should it be cleaned?
$this->path = mediaFN($id, $rev);
$this->rev = $rev;
[$this->ext, $this->mime, $this->downloadable] = mimetype($this->path, false);
}
/** @return string */
public function getId()
{
return $this->id;
}
/** @return string|int Empty string for current version */
public function getRev()
{
return $this->rev;
}
/** @return string */
public function getPath()
{
return $this->path;
}
/**
* The ID without namespace, used for display purposes
*
* @return string
*/
public function getDisplayName()
{
return noNS($this->id);
}
/** @return string */
public function getMime()
{
if (!$this->mime) return 'application/octet-stream';
return $this->mime;
}
/** @return string */
public function getExtension()
{
return (string)$this->ext;
}
/**
* Similar to the extesion but does some clean up
*
* @return string
*/
public function getIcoClass()
{
$ext = $this->getExtension();
if ($ext === '') $ext = 'file';
return preg_replace('/[^_\-a-z0-9]+/i', '_', $ext);
}
/**
* Should this file be downloaded instead being displayed inline?
*
* @return bool
*/
public function isDownloadable()
{
return $this->downloadable;
}
/** @return int */
public function getFileSize()
{
return filesize($this->path);
}
/** @return int */
public function getLastModified()
{
return filemtime($this->path);
}
/** @return bool */
public function isWritable()
{
return is_writable($this->path);
}
/** @return bool */
public function isImage()
{
return (str_starts_with($this->mime, 'image/'));
}
/**
* initializes width and height for images when requested
*/
protected function initSizes()
{
$this->width = 0;
$this->height = 0;
if (!$this->isImage()) return;
$info = getimagesize($this->path);
if ($info === false) return;
[$this->width, $this->height] = $info;
}
/**
* Returns the width if this is a supported image, 0 otherwise
*
* @return int
*/
public function getWidth()
{
if ($this->width === null) $this->initSizes();
return $this->width;
}
/**
* Returns the height if this is a supported image, 0 otherwise
*
* @return int
*/
public function getHeight()
{
if ($this->height === null) $this->initSizes();
return $this->height;
}
/**
* Returns the permissions the current user has on the file
*
* @todo doing this for each file within a namespace is a waste, we need to cache this somehow
* @return int
*/
public function userPermission()
{
return auth_quickaclcheck(getNS($this->id) . ':*');
}
/** @return JpegMeta */
public function getMeta()
{
if ($this->meta === null) $this->meta = new JpegMeta($this->path);
return $this->meta;
}
}
|
