40 lines
1.1 KiB
PHP
40 lines
1.1 KiB
PHP
<?php
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/**
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* Pterodactyl - Panel
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* Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
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*
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* This software is licensed under the terms of the MIT license.
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* https://opensource.org/licenses/MIT
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*/
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namespace Pterodactyl\Services\Servers;
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class UsernameGenerationService
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{
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/**
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* Generate a unique username to be used for SFTP connections and identification
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* of the server docker container on the host system.
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*
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* @param string $name
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* @param null $identifier
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* @return string
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*/
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public function generate($name, $identifier = null)
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{
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if (is_null($identifier) || ! ctype_alnum($identifier)) {
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$unique = str_random(8);
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} else {
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if (strlen($identifier) < 8) {
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$unique = $identifier . str_random((8 - strlen($identifier)));
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} else {
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$unique = substr($identifier, 0, 8);
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}
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}
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// Filter the Server Name
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$name = trim(preg_replace('/[^A-Za-z0-9]+/', '', $name), '_');
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$name = (strlen($name) < 1) ? str_random(6) : $name;
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return strtolower(substr($name, 0, 6) . '_' . $unique);
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}
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}
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