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<?php
/** */
/** */
function wfStreamFile( $fname ) {
$stat = @stat( $fname );
if ( !$stat ) {
header( 'HTTP/1.0 404 Not Found' );
header( 'Cache-Control: no-cache' );
header( 'Content-Type: text/html' );
$encFile = htmlspecialchars( $fname );
$encScript = htmlspecialchars( $_SERVER['SCRIPT_NAME'] );
echo "<html><body>
<h1>File not found</h1>
<p>Although this PHP script ($encScript) exists, the file requested for output
($encFile) does not.</p>
</body></html>
";
return;
}
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $stat['mtime'] ) . ' GMT' );
// Cancel output buffering and gzipping if set
wfResetOutputBuffers();
$type = wfGetType( $fname );
if ( $type and $type!="unknown/unknown") {
header("Content-type: $type");
} else {
header('Content-type: application/x-wiki');
}
if ( !empty( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) {
$modsince = preg_replace( '/;.*$/', '', $_SERVER['HTTP_IF_MODIFIED_SINCE'] );
$sinceTime = strtotime( $modsince );
if ( $stat['mtime'] <= $sinceTime ) {
header( "HTTP/1.0 304 Not Modified" );
return;
}
}
header( 'Content-Length: ' . $stat['size'] );
readfile( $fname );
}
/** */
function wfGetType( $filename ) {
global $wgTrivialMimeDetection;
# trivial detection by file extension,
# used for thumbnails (thumb.php)
if ($wgTrivialMimeDetection) {
$ext= strtolower(strrchr($filename, '.'));
switch ($ext) {
case '.gif': return 'image/gif';
case '.png': return 'image/png';
case '.jpg': return 'image/jpeg';
case '.jpeg': return 'image/jpeg';
}
return 'unknown/unknown';
}
else {
$magic=& MimeMagic::singleton();
return $magic->guessMimeType($filename); //full fancy mime detection
}
}
?>
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