misc_pterodactyl-panel/app/Services/UuidService.php

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<?php
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/**
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* Pterodactyl - Panel
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* 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:
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*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
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*
* 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.
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*/
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;
}
}