<?PHP
/* Copyright 2005-2018, Lime Technology
 * Copyright 2012-2018, Bergware International.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2,
 * as published by the Free Software Foundation.
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 */
?>
<?
$cli = php_sapi_name()=='cli';

function response_complete($httpcode, $result, $cli_success_msg='') {
  global $cli;
  if ($cli) {
    $json = @json_decode($result,true);
    if (!empty($json['error'])) {
      echo 'Error: '.$json['error'].PHP_EOL;
      exit(1);
    }
    exit($cli_success_msg.PHP_EOL);
  }
  header('Content-Type: application/json');
  http_response_code($httpcode);
  exit((string)$result);
}

// remoteaccess, externalport, (if registering) username, password
extract(parse_ini_file('/boot/config/plugins/dynamix/dynamix.cfg',true));
if (empty($remote)) {
  $remote = [
    "apikey" => "",
    "wanaccess" => "no",
    "wanport" => "443"
  ];
}
if (empty($remote['wanport'])) {
  $remote['wanport'] = 443;
}
if ($cli) {
  $remoteaccess = $remote['wanaccess'];
  $externalport = $remote['wanport'];
  $username = '';
  $password = '';
} else {
  $remoteaccess = $_POST['remoteaccess'];
  $externalport = $_POST['externalport'];
  $username = $_POST['username'];
  $password = $_POST['password'];
}
$isRegistered = !empty($remote['apikey']);

// protocol, hostname, internalport
list($protocol, $hostname, $internalport) = explode(":", rtrim(file_get_contents("/var/run/nginx.origin")));
$hostname = substr($hostname, 2);

if (!$isRegistered && empty($username) && !preg_match('/.*\.unraid\.net$/', $hostname)) {
  response_complete(406, '{"error":"Nothing to do"}');
}

// keyfile
$var = parse_ini_file('/var/local/emhttp/var.ini');
$keyfile = @file_get_contents($var['regFILE']);
if ($keyfile === false) {
  response_complete(406, '{"error":"Registration key required"}');
}
$keyfile = @base64_encode($keyfile);

// internalip
extract(parse_ini_file('/var/local/emhttp/network.ini',true));
$internalip = $eth0['IPADDR:0'];

$ch = curl_init('https://keys.lime-technology.com/account/server/register');
curl_setopt($ch, CURLOPT_POST, 1);

if (!$isRegistered && empty($username)) {
  curl_setopt($ch, CURLOPT_POSTFIELDS, [
    'internalip' => $internalip,
    'keyfile' => $keyfile
  ]);
} else {
  // servername, servercomment
  $servername = $var['NAME'];
  $servercomment = $var['COMMENT'];
  if (empty($username)) {
    curl_setopt($ch, CURLOPT_POSTFIELDS, [
      'servername' => $servername,
      'servercomment' => $servercomment,
      'protocol' => $protocol,
      'hostname' => $hostname,
      'internalport' => $internalport,
      'internalip' => $internalip,
      'remoteaccess' => $remoteaccess,
      'externalport' => $externalport,
      'keyfile' => $keyfile
    ]);
  } else {
    curl_setopt($ch, CURLOPT_POSTFIELDS, [
      'servername' => $servername,
      'servercomment' => $servercomment,
      'protocol' => $protocol,
      'hostname' => $hostname,
      'internalport' => $internalport,
      'internalip' => $internalip,
      'remoteaccess' => $remoteaccess,
      'externalport' => $externalport,
      'username' => $username,
      'password' => $password,
      'keyfile' => $keyfile
    ]);
  }
}

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$error = curl_error($ch);
curl_close($ch);

if ($result === false) {
  response_complete(500, '{"error":"'.$error.'"}');
}

response_complete($httpcode, $result, 'success');
?>