/**
* HTTP HEAD
*
* This method is normally used to take a peak at a url, and only get the HTTP response headers, without the body
* This is used by clients to determine if a remote file was changed, so they can use a local cached version, instead of downloading it again
*
* @param string $uri
* @return void
*/
protected function httpHead($uri)
{
$node = $this->tree->getNodeForPath($uri);
/* This information is only collection for File objects.
* Ideally we want to throw 405 Method Not Allowed for every
* non-file, but MS Office does not like this
*/
if ($node instanceof Sabre_DAV_IFile) {
$headers = $this->getHTTPHeaders($this->getRequestUri());
if (!isset($headers['Content-Type'])) {
$headers['Content-Type'] = 'application/octet-stream';
}
$this->httpResponse->setHeaders($headers);
}
$this->httpResponse->sendStatus(200);
}
