<?php /** * Pterodactyl - Panel * Copyright (c) 2015 - 2016 Dane Everitt <dane@daneeveritt.com> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ namespace Pterodactyl\Services; use DB; use Uuid; class UuidService { /** * Constructor */ public function __construct() { // } /** * Generate a unique UUID validating against specified table and column. * Defaults to `users.uuid` * * @param string $table * @param string $field * @param integer $type The type of UUID to generate. * @return string */ public function generate($table = 'users', $field = 'uuid', $type = 4) { $return = false; do { $uuid = Uuid::generate($type); if (!DB::table($table)->where($field, $uuid)->exists()) { $return = $uuid; } } while (!$return); return $return; } /** * Generates a ShortUUID code which is 8 characters long and is used for identifying servers in the system. * * @param string $table * @param string $field * @return string */ public function generateShort($table = 'servers', $field = 'uuidShort', $attachedUuid = null) { $return = false; do { $short = (is_null($attachedUuid)) ? substr(Uuid::generate(4), 0, 8) : substr($attachedUuid, 0, 8); $attachedUuid = null; if (!DB::table($table)->where($field, $short)->exists()) { $return = $short; } } while (!$return); return $return; } }