'request not allowed'];
ReturnJsonResponse($data, 403);
}
function denyAccess() {
$data = ['deny access'=>'emergency user request revoked'];
ReturnJsonResponse($data);
}
function downloadKey() {
global $tokenManager;
if(!isset($_REQUEST['token']) || !ctype_xdigit($_REQUEST['token']))
ReturnJsonResponse(['error'=>'missing or invalid token'], 400);
$result = $tokenManager->retrieveToken($_REQUEST['token']);
if(isset($result['error']))
ReturnJsonResponse(['error'=>$result['error']], $result['status']);
if(!isset($result['success']))
ReturnJsonResponse(['error'=>'token could not be validated'], 400);
//check if returned keyfile exists
if(!file_exists($result['success']))
ReturnJsonResponse(['error'=>'keyfile not found'], 404);
$filePath = $result['success'];
$fileName = basename($filePath);
$fileSize = filesize($filePath);
header('Content-Type: application/octet-stream');
header("Content-Disposition: attachment; filename=\"{$fileName}\"");
header("Content-Length: {$fileSize}");
header('Cache-Control: no-cache, no-store, must-revalidate');
header('Pragma: no-cache');
header('Expires: 0');
readfile($filePath);
exit;
}
function user_interface() {
print('DigiErbe TresorWillkommen beim DigiErbe Tresor
');
}
?>