includes/filerepo/UnregisteredLocalFile.php

   1 <?php
   2 /**
   3  * File without associated database record
   4  *
   5  * @file
   6  * @ingroup FileRepo
   7  */
   8
   9 /**
  10  * A file object referring to either a standalone local file, or a file in a
  11  * local repository with no database, for example an FSRepo repository.
  12  *
  13  * Read-only.
  14  *
  15  * TODO: Currently it doesn't really work in the repository role, there are
  16  * lots of functions missing. It is used by the WebStore extension in the
  17  * standalone role.
  18  *
  19  * @ingroup FileRepo
  20  */
  21 class UnregisteredLocalFile extends File {
  22         var $title, $path, $mime, $handler, $dims;
  23
  24         static function newFromPath( $path, $mime ) {
  25                 return new UnregisteredLocalFile( false, false, $path, $mime );
  26         }
  27
  28         static function newFromTitle( $title, $repo ) {
  29                 return new UnregisteredLocalFile( $title, $repo, false, false );
  30         }
  31
  32         function __construct( $title = false, $repo = false, $path = false, $mime = false ) {
  33                 if ( !( $title && $repo ) && !$path ) {
  34                         throw new MWException( __METHOD__.': not enough parameters, must specify title and repo, or a full path' );
  35                 }
  36                 if ( $title ) {
  37                         $this->title = $title;
  38                         $this->name = $repo->getNameFromTitle( $title );
  39                 } else {
  40                         $this->name = basename( $path );
  41                         $this->title = Title::makeTitleSafe( NS_FILE, $this->name );
  42                 }
  43                 $this->repo = $repo;
  44                 if ( $path ) {
  45                         $this->path = $path;
  46                 } else {
  47                         $this->path = $repo->getRootDirectory() . '/' . $repo->getHashPath( $this->name ) . $this->name;
  48                 }
  49                 if ( $mime ) {
  50                         $this->mime = $mime;
  51                 }
  52                 $this->dims = array();
  53         }
  54
  55         function getPageDimensions( $page = 1 ) {
  56                 if ( !isset( $this->dims[$page] ) ) {
  57                         if ( !$this->getHandler() ) {
  58                                 return false;
  59                         }
  60                         $this->dims[$page] = $this->handler->getPageDimensions( $this, $page );
  61                 }
  62                 return $this->dims[$page];
  63         }
  64
  65         function getWidth( $page = 1 ) {
  66                 $dim = $this->getPageDimensions( $page );
  67                 return $dim['width'];
  68         }
  69
  70         function getHeight( $page = 1 ) {
  71                 $dim = $this->getPageDimensions( $page );
  72                 return $dim['height'];
  73         }
  74
  75         function getMimeType() {
  76                 if ( !isset( $this->mime ) ) {
  77                         $magic = MimeMagic::singleton();
  78                         $this->mime = $magic->guessMimeType( $this->path );
  79                 }
  80                 return $this->mime;
  81         }
  82
  83         function getImageSize( $filename ) {
  84                 if ( !$this->getHandler() ) {
  85                         return false;
  86                 }
  87                 return $this->handler->getImageSize( $this, $this->getPath() );
  88         }
  89
  90         function getMetadata() {
  91                 if ( !isset( $this->metadata ) ) {
  92                         if ( !$this->getHandler() ) {
  93                                 $this->metadata = false;
  94                         } else {
  95                                 $this->metadata = $this->handler->getMetadata( $this, $this->getPath() );
  96                         }
  97                 }
  98                 return $this->metadata;
  99         }
 100
 101         function getURL() {
 102                 if ( $this->repo ) {
 103                         return $this->repo->getZoneUrl( 'public' ) . '/' . $this->repo->getHashPath( $this->name ) . rawurlencode( $this->name );
 104                 } else {
 105                         return false;
 106                 }
 107         }
 108
 109         function getSize() {
 110                 if ( file_exists( $this->path ) ) {
 111                         return filesize( $this->path );
 112                 } else {
 113                         return false;
 114                 }
 115         }
 116 }