public function wopiGetFile($fileId)
{
$token = $this->request->getParam('access_token');
$arr = explode('_', $fileId, 2);
$version = '0';
if (count($arr) == 2) {
$fileId = $arr[0];
$version = $arr[1];
}
\OC::$server->getLogger()->debug('Getting contents of file {fileId}, version {version} by token {token}.', ['app' => $this->appName, 'fileId' => $fileId, 'version' => $version, 'token' => $token]);
$row = new Db\Wopi();
$row->loadBy('token', $token);
//TODO: Support X-WOPIMaxExpectedSize header.
$res = $row->getPathForToken($fileId, $version, $token);
$ownerid = $res['owner'];
// Login the user to see his mount locations
$this->loginUser($ownerid);
$filename = '';
// If some previous version is requested, fetch it from Files_Version app
if ($version !== '0') {
\OCP\JSON::checkAppEnabled('files_versions');
// Setup the FS
\OC_Util::tearDownFS();
\OC_Util::setupFS($ownerid, '/' . $ownerid . '/files');
list($ownerid, $filename) = \OCA\Files_Versions\Storage::getUidAndFilename($res['path']);
$filename = '/files_versions/' . $filename . '.v' . $version;
\OC_Util::tearDownFS();
} else {
$filename = '/files' . $res['path'];
}
// Close the session created for user login
\OC::$server->getSession()->close();
return new DownloadResponse($this->request, $ownerid, $filename);
}