function get_index()
{
$source = $this->in('source');
if ($this->in('hash') !== static::hash($this->in())) {
return E_DENIED;
}
$source = File::storage($source);
$thumb = static::configure(\ThumbGen::make($source), $this->in());
$regen = $this->in('regen', false);
if ($regen and !$this->can('manager') and !$this->can('thumb.regen')) {
$regen = false;
}
$url = $thumb->scaled($regen);
if (!S::unprefix($url, $thumb->temp())) {
throw new Exception("Cannot determine thumbnail URL from [{$url}].");
}
return Redirect::to(asset("thumbs/{$url}"));
}
