96 lines
3.0 KiB
PHP
96 lines
3.0 KiB
PHP
<?php
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/**
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* NetCommand.php
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*
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* -Description-
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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 <http://www.gnu.org/licenses/>.
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*
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* @package LibreNMS
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* @link http://librenms.org
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* @copyright 2019 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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namespace App\Http\Controllers\Ajax;
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use App\Http\Controllers\Controller;
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use \LibreNMS\Config;
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use Illuminate\Http\Request;
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use Symfony\Component\HttpFoundation\StreamedResponse;
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use Symfony\Component\Process\Process;
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class NetCommand extends Controller
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{
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public function run(Request $request)
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{
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$this->validate($request, [
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'cmd' => 'in:whois,ping,tracert,nmap',
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'query' => 'ip_or_hostname',
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]);
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ini_set('allow_url_fopen', 0);
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switch ($request->get('cmd')) {
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case 'whois':
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$cmd = [Config::get('whois', 'whois'), $request->get('query')];
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break;
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case 'ping':
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$cmd = [Config::get('ping', 'ping'), '-c', '5', $request->get('query')];
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break;
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case 'tracert':
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$cmd = [Config::get('mtr', 'mtr'), '-r', '-c', '5', $request->get('query')];
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break;
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case 'nmap':
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if (!$request->user()->isAdmin()) {
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return response('Insufficient privileges');
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} else {
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$cmd = [Config::get('nmap', 'nmap'), $request->get('query')];
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}
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break;
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default:
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return response('Invalid command');
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}
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$proc = new Process($cmd);
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$proc->setTimeout(240);
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//stream output
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return (new StreamedResponse(
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function () use ($proc, $request) {
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// a bit dirty, bust browser initial cache
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$ua = $request->header('User-Agent');
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if (str_contains($ua, ['Chrome', 'Trident'])) {
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$char = "\f"; // line feed
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} else {
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$char = "";
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}
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echo str_repeat($char, 4096);
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echo PHP_EOL; // avoid first line mess ups due to line feed
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$proc->run(function ($type, $buffer) {
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echo $buffer;
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ob_flush();
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flush();
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});
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},
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200,
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[
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'Content-Type' => 'text/plain; charset=utf-8',
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'X-Accel-Buffering' => 'no',
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]
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))->send();
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}
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}
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