public function serveFile($path, $mime_type, $download = false)
{
if (!file_exists($path)) {
header('Content-Type: image/jpeg');
readfile(BASE_PATH . '/www/images/unavail.jpg');
exit;
}
$filename = basename($path);
//from php.net
$headers = apache_request_headers();
// Checking if the client is validating its cache and if it is current.
if (isset($headers['If-Modified-Since']) && strtotime($headers['If-Modified-Since']) == filemtime($path)) {
// Client's cache IS current, so we just respond '304 Not Modified'.
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($path)) . ' GMT', true, 304);
} else {
// Image not cached or cache outdated, we respond '200 OK' and output the image.
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($path)) . ' GMT', true, 200);
header('Content-Length: ' . filesize($path));
header('Content-Type: ' . $mime_type);
//hack to deal w/ iPad that only wants byte ranges
if ('video/mp4' == $mime_type) {
Dase_Util::rangeDownload($path);
exit;
}
if ('audio/mpeg' == $mime_type) {
Dase_Util::rangeDownload($path);
exit;
}
if ($download) {
header("Content-Disposition: attachment; filename={$filename}");
//from http://us.php.net/fread
$total = filesize($path);
$blocksize = 2 << 20;
//2M chunks
$sent = 0;
$handle = fopen($path, "r");
// Now we need to loop through the file and echo out chunks of file data
while ($sent < $total) {
echo fread($handle, $blocksize);
$sent += $blocksize;
}
} else {
header("Content-Disposition: inline; filename={$filename}");
//print file_get_contents($path);
Dase_Util::readfileChunked($path);
}
}
exit;
}