/**
* Refreshes an already existing lock
*
* @param DAV_Resource $resource
* @return void
* @throws DAV_Statuss
*/
private function handleRefreshLock($resource)
{
$if_header = $this->if_header;
if (!isset($if_header[DAV::getPath()]) || !$if_header[DAV::getPath()]['lock']) {
throw new DAV_Status(DAV::HTTP_BAD_REQUEST, array(DAV::COND_LOCK_TOKEN_SUBMITTED => new DAV_Element_href(DAV::getPath())));
}
// I think this can never evaluate to true, because DAV_Request already checks
// whether the 'If' header matches the lock token of the resource. So if the
// resource doesn't have a lock, this is already detected before this method
// is called! (However, I don't dare to delete this yet and it doesn't hurt to
// keep it)
if (!($lock = DAV::$LOCKPROVIDER->getlock(DAV::getPath()))) {
throw new DAV_Status(DAV::HTTP_PRECONDITION_FAILED, array(DAV::COND_LOCK_TOKEN_MATCHES_REQUEST_URI));
}
DAV::$LOCKPROVIDER->refresh($lock->lockroot, $lock->locktoken, $this->timeout);
if (!($lockdiscovery = $resource->prop_lockdiscovery())) {
throw new DAV_Status(DAV::HTTP_INTERNAL_SERVER_ERROR);
}
// Generate output:
DAV::header('application/xml; charset="utf-8"');
echo DAV::xml_header() . '<D:prop xmlns:D="DAV:"><D:lockdiscovery>' . $lockdiscovery . '</D:lockdiscovery></D:prop>';
}
