private function getContents($fn)
{
if (Utils::startswith($fn, 'data:')) {
$path = $this->grav['locator']->findResource('user://data', true);
$fn = ltrim($fn, 'data:');
} else {
$path = $this->grav['page']->path();
}
$path = $path . DS . $fn;
if (file_exists($path)) {
return file_get_contents($path);
}
return null;
}
