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<?php // $Id: mimetypes.php,v 1.18.4.2 2005/01/29 04:41:16 moodler Exp $
function mimeinfo($element, $filename) {
$mimeinfo = array (
"xxx" => array ("type"=>"document/unknown", "icon"=>"unknown.gif"),
"3gp" => array ("type"=>"video/quicktime", "icon"=>"video.gif"),
"ai" => array ("type"=>"application/postscript", "icon"=>"image.gif"),
"aif" => array ("type"=>"audio/x-aiff", "icon"=>"audio.gif"),
"aiff" => array ("type"=>"audio/x-aiff", "icon"=>"audio.gif"),
"aifc" => array ("type"=>"audio/x-aiff", "icon"=>"audio.gif"),
"applescript" => array ("type"=>"text/plain", "icon"=>"text.gif"),
"asc" => array ("type"=>"text/plain", "icon"=>"text.gif"),
"au" => array ("type"=>"audio/au", "icon"=>"audio.gif"),
"avi" => array ("type"=>"video/x-ms-wm", "icon"=>"avi.gif"),
"bmp" => array ("type"=>"image/bmp", "icon"=>"image.gif"),
"cs" => array ("type"=>"application/x-csh", "icon"=>"text.gif"),
"css" => array ("type"=>"text/css", "icon"=>"text.gif"),
"dv" => array ("type"=>"video/x-dv", "icon"=>"video.gif"),
"doc" => array ("type"=>"application/msword", "icon"=>"word.gif"),
"dif" => array ("type"=>"video/x-dv", "icon"=>"video.gif"),
"eps" => array ("type"=>"application/postscript", "icon"=>"pdf.gif"),
"gif" => array ("type"=>"image/gif", "icon"=>"image.gif"),
"gtar" => array ("type"=>"application/x-gtar", "icon"=>"zip.gif"),
"gz" => array ("type"=>"application/g-zip", "icon"=>"zip.gif"),
"gzip" => array ("type"=>"application/g-zip", "icon"=>"zip.gif"),
"h" => array ("type"=>"text/plain", "icon"=>"text.gif"),
"hqx" => array ("type"=>"application/mac-binhex40", "icon"=>"zip.gif"),
"html" => array ("type"=>"text/html", "icon"=>"html.gif"),
"htm" => array ("type"=>"text/html", "icon"=>"html.gif"),
"jpe" => array ("type"=>"image/jpeg", "icon"=>"image.gif"),
"jpeg" => array ("type"=>"image/jpeg", "icon"=>"image.gif"),
"jpg" => array ("type"=>"image/jpeg", "icon"=>"image.gif"),
"js" => array ("type"=>"application/x-javascript", "icon"=>"text.gif"),
"latex"=> array ("type"=>"application/x-latex", "icon"=>"text.gif"),
"m" => array ("type"=>"text/plain", "icon"=>"text.gif"),
"mov" => array ("type"=>"video/quicktime", "icon"=>"video.gif"),
"movie"=> array ("type"=>"video/x-sgi-movie", "icon"=>"video.gif"),
"m3u" => array ("type"=>"audio/x-mpegurl", "icon"=>"audio.gif"),
"mp3" => array ("type"=>"audio/mp3", "icon"=>"audio.gif"),
"mp4" => array ("type"=>"video/mp4", "icon"=>"video.gif"),
"mpeg" => array ("type"=>"video/mpeg", "icon"=>"video.gif"),
"mpe" => array ("type"=>"video/mpeg", "icon"=>"video.gif"),
"mpg" => array ("type"=>"video/mpeg", "icon"=>"video.gif"),
"pct" => array ("type"=>"image/pict", "icon"=>"image.gif"),
"pdf" => array ("type"=>"application/pdf", "icon"=>"pdf.gif"),
"php" => array ("type"=>"text/plain", "icon"=>"text.gif"),
"pic" => array ("type"=>"image/pict", "icon"=>"image.gif"),
"pict" => array ("type"=>"image/pict", "icon"=>"image.gif"),
"png" => array ("type"=>"image/png", "icon"=>"image.gif"),
"pps" => array ("type"=>"application/vnd.ms-powerpoint", "icon"=>"powerpoint.gif"),
"ppt" => array ("type"=>"application/vnd.ms-powerpoint", "icon"=>"powerpoint.gif"),
"ps" => array ("type"=>"application/postscript", "icon"=>"pdf.gif"),
"qt" => array ("type"=>"video/quicktime", "icon"=>"video.gif"),
"ra" => array ("type"=>"audio/x-realaudio", "icon"=>"audio.gif"),
"ram" => array ("type"=>"audio/x-pn-realaudio", "icon"=>"audio.gif"),
"rm" => array ("type"=>"audio/x-pn-realaudio", "icon"=>"audio.gif"),
"rtf" => array ("type"=>"text/rtf", "icon"=>"text.gif"),
"rtx" => array ("type"=>"text/richtext", "icon"=>"text.gif"),
"sh" => array ("type"=>"application/x-sh", "icon"=>"text.gif"),
"sit" => array ("type"=>"application/x-stuffit", "icon"=>"zip.gif"),
"smi" => array ("type"=>"application/smil", "icon"=>"text.gif"),
"smil" => array ("type"=>"application/smil", "icon"=>"text.gif"),
"swf" => array ("type"=>"application/x-shockwave-flash", "icon"=>"flash.gif"),
"tar" => array ("type"=>"application/x-tar", "icon"=>"zip.gif"),
"tif" => array ("type"=>"image/tiff", "icon"=>"image.gif"),
"tiff" => array ("type"=>"image/tiff", "icon"=>"image.gif"),
"tex" => array ("type"=>"application/x-tex", "icon"=>"text.gif"),
"texi" => array ("type"=>"application/x-texinfo", "icon"=>"text.gif"),
"texinfo" => array ("type"=>"application/x-texinfo", "icon"=>"text.gif"),
"tsv" => array ("type"=>"text/tab-separated-values", "icon"=>"text.gif"),
"txt" => array ("type"=>"text/plain", "icon"=>"text.gif"),
"wav" => array ("type"=>"audio/wav", "icon"=>"audio.gif"),
"wmv" => array ("type"=>"video/x-ms-wmv", "icon"=>"avi.gif"),
"asf" => array ("type"=>"video/x-ms-asf", "icon"=>"avi.gif"),
"xls" => array ("type"=>"application/vnd.ms-excel", "icon"=>"excel.gif"),
"xml" => array ("type"=>"application/xml", "icon"=>"xml.gif"),
"xsl" => array ("type"=>"application/xml", "icon"=>"xml.gif"),
"zip" => array ("type"=>"application/zip", "icon"=>"zip.gif")
);
if (eregi("\.([a-z0-9]+)$", $filename, $match)) {
if (isset($mimeinfo[strtolower($match[1])][$element])) {
return $mimeinfo[strtolower($match[1])][$element];
} else {
return $mimeinfo["xxx"][$element]; // By default
}
} else {
return $mimeinfo["xxx"][$element]; // By default
}
}
function send_file($path, $filename, $lifetime=86400 , $filter=false, $pathisstring=false) {
$mimetype = mimeinfo('type', $filename);
$lastmodified = $pathisstring ? time() : filemtime($path);
$filesize = $pathisstring ? strlen($path) : filesize($path);
@header('Last-Modified: '. gmdate("D, d M Y H:i:s", $lastmodified) .' GMT');
if ($lifetime > 0) {
@header('Cache-control: max-age='.$lifetime);
@header('Expires: '. gmdate("D, d M Y H:i:s", time() + $lifetime) .'GMT');
@header('Pragma: ');
} else {
// this part is tricky, displaying of MS Office documents in IE needs
// to store the file on disk, but no-cache may prevent it
@header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=10');
@header('Expires: '. gmdate("D, d M Y H:i:s", 0) .'GMT');
@header('Pragma: no-cache');
}
@header('Accept-Ranges: none'); // PDF compatibility
@header('Content-disposition: inline; filename='.$filename);
if (!$filter) {
@header('Content-length: '.$filesize);
if ($mimetype == 'text/plain') {
@header('Content-type: text/plain; charset='.get_string('thischarset')); //add encoding
} else {
@header('Content-type: '.$mimetype);
}
if ($pathisstring) {
echo $path;
}else {
readfile($path);
}
} else { // Try to put the file through filters
if ($mimetype == 'text/html') {
$options->noclean = true;
$text = $pathisstring ? $path : implode('', file($path));
$output = format_text($text, FORMAT_HTML, $options, $course->id);
@header('Content-length: '.strlen($output));
@header('Content-type: text/html');
echo $output;
} else if ($mimetype == 'text/plain') {
$options->newlines = false;
$options->noclean = true;
$text = htmlentities($pathisstring ? $path : implode('', file($path)));
$output = '<pre>'. format_text($text, FORMAT_MOODLE, $options, $course->id) .'</pre>';
@header('Content-length: '.strlen($output));
@header('Content-type: text/html; charset='. get_string('thischarset')); //add encoding
echo $output;
} else { // Just send it out raw
@header('Content-length: '.$filesize);
@header('Content-type: '.$mimetype);
if ($pathisstring) {
echo $path;
}else {
readfile($path);
}
}
}
die; //no more chars to output!!!
}
?>
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