public function createApiKey()
 {
     self::validator(['comment' => 'max:60']);
     $user = User::find(self::userId());
     // Check number of issued keys (max 3)
     if (Apikey::where('user_id', '=', self::userId())->count() > 2) {
         App::abort(500, 'Maximum 3 API keys');
     }
     $key = new Apikey();
     $key->api_key = BaseController::randString(32);
     $key->user_id = self::userId();
     $key->user_fp = self::userFp();
     $key->comment = Input::get('comment', '');
     if (Input::get('readonly')) {
         $key->readonly = 1;
     }
     $key->save();
     return Redirect::to('settings/api_keys');
 }