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6cbe6fde4f
* Mock astext avoid dns failures * whitespace * fix arista * restore test data except astext * restore test data except astext * Full fresh run * Move DI call into class
71 lines
1.9 KiB
PHP
71 lines
1.9 KiB
PHP
<?php
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/**
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* AutonomousSystem.php
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*
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* Helper for dealing with AS
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* @link https://www.librenms.org
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*
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* @copyright 2022 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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namespace LibreNMS\Util;
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use ErrorException;
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use Illuminate\Support\Facades\Cache;
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use LibreNMS\Config;
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class AutonomousSystem
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{
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public function __construct(
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private int $asn
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) {
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}
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public static function get(int|string $asn): self
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{
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return app(AutonomousSystem::class, ['asn' => (int) $asn]);
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}
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/**
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* Get the ASN text from Team Cymru.
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* May be overridden in the config with astext.<asn>
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* Caches results for 1 day
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*/
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public function name(): string
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{
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return Cache::remember("astext.$this->asn", 86400, function () {
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if (Config::has("astext.$this->asn")) {
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return Config::get("astext.$this->asn");
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}
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try {
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$result = @dns_get_record("AS$this->asn.asn.cymru.com", DNS_TXT);
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if (! empty($result[0]['txt'])) {
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$txt = explode('|', $result[0]['txt']);
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return trim($txt[4], ' "');
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}
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} catch (ErrorException $e) {
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}
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return '';
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});
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}
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}
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