63 lines
1.5 KiB
PHP
63 lines
1.5 KiB
PHP
<?php
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function wfStreamFile( $fname ) {
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global $wgSquidMaxage;
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$stat = stat( $fname );
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if ( !$stat ) {
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header( 'HTTP/1.0 404 Not Found' );
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echo "<html><body>
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<h1>File not found</h1>
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<p>Although this PHP script ({$_SERVER['SCRIPT_NAME']}) exists, the file requested for output
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does not.</p>
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</body></html>";
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return;
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}
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header( "Cache-Control: s-maxage=$wgSquidMaxage, must-revalidate, max-age=0" );
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header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s', $stat['mtime'] ) . ' GMT' );
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if ( !empty( $_SERVER['HTTP_IF_MODIFIED_SINCE'] ) ) {
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$modsince = preg_replace( '/;.*$/', '', $_SERVER['HTTP_IF_MODIFIED_SINCE'] );
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$sinceTime = strtotime( $modsince );
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if ( $stat['mtime'] <= $sinceTime ) {
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header( "HTTP/1.0 304 Not Modified" );
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return;
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}
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}
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header( 'Content-Length: ' . $stat['size'] );
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$type = wfGetType( $fname );
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if ( $type and $type!="unknown/unknown") {
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header("Content-type: $type");
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} else {
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header('Content-type: application/x-wiki');
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}
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readfile( $fname );
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}
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function wfGetType( $filename ) {
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global $wgTrivialMimeDetection;
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# trivial detection by file extension,
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# used for thumbnails (thumb.php)
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if ($wgTrivialMimeDetection) {
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$ext= strtolower(strrchr($filename, '.'));
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switch ($ext) {
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case '.gif': return "image/gif";
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case '.png': return "image/png";
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case '.jpg': return "image/jpeg";
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case '.jpeg': return "image/jpeg";
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}
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return "unknown/unknown";
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}
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else {
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$magic=& wfGetMimeMagic();
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return $magic->guessMimeType($filename); //full fancy mime detection
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}
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}
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?>
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