// Sanity check:
$file = new File();
if (!$file->isValidName(@$_REQUEST['file'])) {
pieErrorImage();
}
if (!$file->exists($_REQUEST['file'])) {
pieErrorImage();
}
if (!$file->read($_REQUEST['file'], $_REQUEST['stamp'])) {
pieErrorImage();
}
// Check for aliases:
while ($file->meta['type'] == "alias") {
if ($GLOBALS['pie']['auto_redirect']) {
header("Location: " . pieMakeString($GLOBALS['pie']['redirect_media_url'], array('file' => rawurlencode($file->meta['original']))));
exit;
} else {
// Try to resolve the alias myself.
if (!$file->read($file->meta['original'], 0)) {
pieErrorImage();
}
}
}
// Dump the contents of the file:
header("Last-Modified: " . date("D, d M Y H:i:s", $file->meta['stamp']) . " GMT");
header("Content-Type: " . $file->meta['type']);
header("Accept-Ranges: bytes");
header("Content-Length: " . $file->meta['size']);
if (!$file->dump($_REQUEST['file'], $_REQUEST['stamp'])) {
pieErrorImage();
}
