<?php

/*
* @version    2010 05 22
* @author     mxrgus.pxrt <margus@tione.eu>
**/

// include dokuwiki ness things (sets session.id also)
if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../../../');
require_once(DOKU_INC.'inc/init.php');
require_once(DOKU_INC.'inc/common.php');
require_once(DOKU_INC.'inc/events.php');
require_once(DOKU_INC.'inc/pageutils.php');

// if smartcard auth was success, write SSL_CLIENT_CERT to session (it will be used from auth_smartcard later on)
if(isset($_SERVER['SSL_CLIENT_CERT'])){
  session_start();
  $cert = $_SERVER['SSL_CLIENT_CERT'];

  // Strip BEGIN/END CERTIFICATE
  $pattern = '/-----BEGIN CERTIFICATE-----(.*)-----END CERTIFICATE-----/msU';
  if (1 === preg_match($pattern, $cert, $matches)) {
	  $cert = $matches[1];
  }

  // Create one long string of the certificate
  $replaceCharacters = array(" ", "\t", "\n", "\r", "\0" , "\x0B");
  $cert = str_replace($replaceCharacters, '', $cert);

  // Wrap into lines and save
  $wrapped = wordwrap($cert, 64, "\n", true);
  $_SESSION['SSL_CLIENT_CERT'] = "-----BEGIN CERTIFICATE-----".PHP_EOL.$wrapped.PHP_EOL."-----END CERTIFICATE-----".PHP_EOL;

  session_write_close();
}

// redirect back to dokuwiki main url
$gotowikiurl = "../../../../doku.php?u=smartcard&p=smartcard&id=" . getID();
header("Location: $gotowikiurl");