includes/StreamFile.php

   1 <?php
   2
   3 function wfStreamFile( $fname ) {
   4         global $wgSquidMaxage;
   5         $stat = stat( $fname );
   6         if ( !$stat ) {
   7                 header( 'HTTP/1.0 404 Not Found' );
   8                 echo "<html><body>
   9 <h1>File not found</h1>
  10 <p>Although this PHP script ({$_SERVER['SCRIPT_NAME']}) exists, the file requested for output
  11 does not.</p>
  12 </body></html>";
  13                 return;
  14         }
  15
  16
  17         $type = wfGetType( $fname );
  18         if ( $type ) {
  19                 header("Content-type: $type");
  20         } else {
  21                 header('Content-type: application/x-wiki');
  22         }
  23         header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $stat['mtime'] ) );
  24         header( "Cache-Control: s-maxage=$wgSquidMaxage, must-revalidate, max-age=0" );
  25         readfile( $fname );
  26         exit;
  27 }
  28
  29 function wfGetType( $filename ) {
  30         # There's probably a better way to do this
  31         $types = <<<END_STRING
  32 application/andrew-inset ez
  33 application/mac-binhex40 hqx
  34 application/mac-compactpro cpt
  35 application/mathml+xml mathml
  36 application/msword doc
  37 application/octet-stream bin dms lha lzh exe class so dll
  38 application/oda oda
  39 application/ogg ogg
  40 application/pdf pdf
  41 application/postscript ai eps ps
  42 application/rdf+xml rdf
  43 application/smil smi smil
  44 application/srgs gram
  45 application/srgs+xml grxml
  46 application/vnd.mif mif
  47 application/vnd.ms-excel xls
  48 application/vnd.ms-powerpoint ppt
  49 application/vnd.wap.wbxml wbxml
  50 application/vnd.wap.wmlc wmlc
  51 application/vnd.wap.wmlscriptc wmlsc
  52 application/voicexml+xml vxml
  53 application/x-bcpio bcpio
  54 application/x-cdlink vcd
  55 application/x-chess-pgn pgn
  56 application/x-cpio cpio
  57 application/x-csh csh
  58 application/x-director dcr dir dxr
  59 application/x-dvi dvi
  60 application/x-futuresplash spl
  61 application/x-gtar gtar
  62 application/x-hdf hdf
  63 application/x-javascript js
  64 application/x-koan skp skd skt skm
  65 application/x-latex latex
  66 application/x-netcdf nc cdf
  67 application/x-sh sh
  68 application/x-shar shar
  69 application/x-shockwave-flash swf
  70 application/x-stuffit sit
  71 application/x-sv4cpio sv4cpio
  72 application/x-sv4crc sv4crc
  73 application/x-tar tar
  74 application/x-tcl tcl
  75 application/x-tex tex
  76 application/x-texinfo texinfo texi
  77 application/x-troff t tr roff
  78 application/x-troff-man man
  79 application/x-troff-me me
  80 application/x-troff-ms ms
  81 application/x-ustar ustar
  82 application/x-wais-source src
  83 application/xhtml+xml xhtml xht
  84 application/xslt+xml xslt
  85 application/xml xml xsl
  86 application/xml-dtd dtd
  87 application/zip zip
  88 audio/basic au snd
  89 audio/midi mid midi kar
  90 audio/mpeg mpga mp2 mp3
  91 audio/x-aiff aif aiff aifc
  92 audio/x-mpegurl m3u
  93 audio/x-pn-realaudio ram rm
  94 audio/x-pn-realaudio-plugin rpm
  95 audio/x-realaudio ra
  96 audio/x-wav wav
  97 chemical/x-pdb pdb
  98 chemical/x-xyz xyz
  99 image/bmp bmp
 100 image/cgm cgm
 101 image/gif gif
 102 image/ief ief
 103 image/jpeg jpeg jpg jpe
 104 image/png png
 105 image/svg+xml svg
 106 image/tiff tiff tif
 107 image/vnd.djvu djvu djv
 108 image/vnd.wap.wbmp wbmp
 109 image/x-cmu-raster ras
 110 image/x-icon ico
 111 image/x-portable-anymap pnm
 112 image/x-portable-bitmap pbm
 113 image/x-portable-graymap pgm
 114 image/x-portable-pixmap ppm
 115 image/x-rgb rgb
 116 image/x-xbitmap xbm
 117 image/x-xpixmap xpm
 118 image/x-xwindowdump xwd
 119 model/iges igs iges
 120 model/mesh msh mesh silo
 121 model/vrml wrl vrml
 122 text/calendar ics ifb
 123 text/css css
 124 text/richtext rtx
 125 text/rtf rtf
 126 text/sgml sgml sgm
 127 text/tab-separated-values tsv
 128 text/vnd.wap.wml wml
 129 text/vnd.wap.wmlscript wmls
 130 text/x-setext etx
 131 video/mpeg mpeg mpg mpe
 132 video/quicktime qt mov
 133 video/vnd.mpegurl mxu
 134 video/x-msvideo avi
 135 video/x-sgi-movie movie
 136 x-conference/x-cooltalk ice
 137 END_STRING;
 138         // Needed for windows servers who use \r\n not \n
 139         $endl = "
 140 ";
 141         $types = explode( $endl, $types );
 142         if ( !preg_match( "/\.([^.]*?)$/", $filename, $matches ) ) {
 143                 return false;
 144         }
 145
 146         foreach( $types as $type ) {
 147                 $extensions = explode( " ", $type );
 148                 for ( $i=1; $i<count( $extensions ); $i++ ) {
 149                         if ( $extensions[$i] == $matches[1] ) {
 150                                 return $extensions[0];
 151                         }
 152                 }
 153         }
 154         return false;
 155 }
 156
 157 ?>