index.php

<?php

require 'vendor/autoload.php';
require 'utils.php';
require 'TorConfig.php';

date_default_timezone_set('UTC');

Flight::set('serverCount', '-');
Flight::set('combinedUptime', '-');
Flight::set('combinedBandwidth', '-');
Flight::set('nodeslist', array());

if(file_exists('misc/stats.json')) {
  $stats = json_decode(file_get_contents('misc/stats.json'), true);
  Flight::set('nodeslist', $stats["nodes"]);
  Flight::set('serverCount', intval(count($stats["nodes"])));
  Flight::set('combinedUptime', round($stats["uptime"]/60/60) . 'h');
  Flight::set('combinedBandwidth', round(intval($stats["bandwidth"])*8/1000/1000) . 'Mb/s');

  Flight::set('bandwidthChartJson', file_get_contents('misc/bandwidth_graph.json'));
  Flight::set('nodesChartJson', file_get_contents('misc/nodes_graph.json'));

  Flight::set('currentCommit', trim(exec('git log --pretty="%h" -n1 HEAD')));
}

Flight::route('GET /', function () {
    Flight::render('main', array('errors' => ''), 'main_content');
    Flight::render('layout', array(
      'title' => 'Tor Relay Configurator',
      'serverCount' => Flight::get('serverCount'),
      'combinedUptime' => Flight::get('combinedUptime'),
      'combinedBandwidth' => Flight::get('combinedBandwidth'),
      'currentCommit' => Flight::get('currentCommit'),
      'nodes' => Flight::get('nodeslist'),
      'bandwidthChartData' => Flight::get('bandwidthChartJson'),
      'nodesChartData' => Flight::get('nodesChartJson')
    ));
});

Flight::route('POST /', function () {
  $req = Flight::request();
  try {
      $torConfig = new TorConfig($req->data);

      $torrc = $torConfig->getTorrc();

      $generatedScriptHash = md5(implode(',', $req->data->getData()));
      $scriptFile = $generatedScriptHash.'.sh';

      // Load script template and replace template variables
      $template = file_get_contents('misc/install.template');
      $template = str_replace('%RELEASE%', escapeshellcmd($req->data['os']), $template);
      $template = str_replace('%TORRC%', $torrc, $template);
      $template = str_replace('%NYX%', isset($req->data['enable-nyx']) ? 'true' : 'false', $template);
      $template = str_replace('%EXIT%', ($req->data['node-type'] == 'exit') ? 'true' : 'false', $template);
      $template = str_replace('%BRIDGE%', ($req->data['node-type'] == 'bridge') ? 'true' : 'false', $template);
      $template = str_replace('%CHECKIPV6%', isset($req->data['ipv6']) ? 'true' : 'false', $template);
      $template = str_replace('%ENABLE_AUTO_UPDATE%', isset($req->data['unattended-upgrades']) ? 'true' : 'false', $template);
      $template = str_replace('%OBFS4PORT_LT_1024%', (isset($req->data['obfs4port']) && intval($req->data['obfs4port']) < 1024) ? 'true' : 'false', $template);

      // Write script to file
      if (!file_exists('userconfigs/')) {
          mkdir('userconfigs/', 0777, true);
      }

      file_put_contents('userconfigs/'.$scriptFile, $template);
      file_put_contents('userconfigs/'.$generatedScriptHash.'.torrc', $torrc);

      Flight::redirect("/setup/" . $generatedScriptHash);
  } catch (Exception $e) {
      Flight::render('main', array('errors' => $e->getMessage()), 'main_content');
  }

  Flight::render('layout', array(
    'title' => 'Tor Relay Configurator | Installation',
    'serverCount' => Flight::get('serverCount'),
    'combinedUptime' => Flight::get('combinedUptime'),
    'combinedBandwidth' => Flight::get('combinedBandwidth'),
    'currentCommit' => Flight::get('currentCommit'),
    'nodes' => Flight::get('nodeslist'),
    'bandwidthChartData' => Flight::get('bandwidthChartJson'),
    'nodesChartData' => Flight::get('nodesChartJson')
  ));
});

Flight::route('GET /setup/@hash', function ($hash) {
  $validateInputRegex = '/^[\w]+$/m';
  if (preg_match($validateInputRegex, $hash) == 0 || !file_exists('userconfigs/' . $hash . '.torrc')) {
    // invalid format
    Flight::redirect('/');
    return;
  }

  $torrc = file_get_contents('userconfigs/' . $hash . '.torrc');

  Flight::render('installation', array(
    'torrc' => $torrc,
    'configFile' => $hash . '.sh',
  ), 'main_content');

  Flight::render('layout', array(
    'title' => 'Tor Relay Configurator | Installation',
    'serverCount' => Flight::get('serverCount'),
    'combinedUptime' => Flight::get('combinedUptime'),
    'combinedBandwidth' => Flight::get('combinedBandwidth'),
    'currentCommit' => Flight::get('currentCommit'),
    'nodes' => Flight::get('nodeslist'),
    'bandwidthChartData' => Flight::get('bandwidthChartJson'),
    'nodesChartData' => Flight::get('nodesChartJson')
  ));
});

Flight::route('GET /nf/@hash.sh', function ($hash) {
  // Filter out any non-alphanumeric characters
  $hash = preg_replace('/[^a-zA-Z0-9]/', '', $hash);
  header('Content-Type: application/x-sh');
  try {
    echo file_get_contents("userconfigs/$hash.sh");
  } catch (Exception $e) {
    echo 'echo "There was an error fetching your generated script! Please return to tor-relay.co and try again."';
  }
});

Flight::route('GET /install-sudo-on-debian', function () {
  Flight::render('install-sudo', array(), 'main_content');
  Flight::render('layout', array(
    'title' => 'Tor Relay Configurator',
    'serverCount' => Flight::get('serverCount'),
    'combinedUptime' => Flight::get('combinedUptime'),
    'combinedBandwidth' => Flight::get('combinedBandwidth'),
    'currentCommit' => Flight::get('currentCommit'),
    'nodes' => Flight::get('nodeslist'),
    'bandwidthChartData' => Flight::get('bandwidthChartJson'),
    'nodesChartData' => Flight::get('nodesChartJson')
  ));
});

Flight::start();