<?php
/*************************
  Copyright (c) 2004-2010 TinyWebGallery
  written by Michael Dempfle
 
  This program is free software; you can redistribute it and/or modify 
  it under the terms of the TinyWebGallery license (based on the GNU  
  General Public License as published by the Free Software Foundation;  
  either version 2 of the License, or (at your option) any later version. 
  See license.txt for details.
 
  TWG version: 1.8
 
  $Date: 2009-06-17 22:57:10 +0200 (Mi, 17 Jun 2009) $
  $Revision: 73 $
**********************************************/

defined('_VALID_TWG') or die('Direct Access to this location is not allowed.');

if (isset($_GET['twg_rot'])) {
	$twg_rot = ($_GET['twg_rot'] >= 0 ? $_GET['twg_rot'] : -1);
	$twg_rot = $twg_rot >= 360 ? 0 : $twg_rot;
} else
	$twg_rot = -1;
// twg_album
if (isset($_GET['twg_album'])) {
	$twg_album = replace_plus(replaceInput($_GET['twg_album']));
	$twg_album = str_replace("\\'", "'", $twg_album);
	$twg_album = urldecode($twg_album); // the double decode is because of some servers where this is needed!
	$twg_album = restore_plus($twg_album);
	$album_url = $twg_album;
	$album_enc = urlencode($twg_album);
} else {
	$twg_album = false;
	$album_url = false;
}

include (dirname(__FILE__) . '/../mapping.php');

// image
if (isset($_GET['twg_show'])) {
	$image = $_GET['twg_show'];
	$pos = strpos (strtolower($image), "http://");
	if ($pos === false) {
		$image = ereg_replace("/", "", $image);
	}
	$image = str_replace("\\'", "'", $image);
	$image = replaceInput($image);
	$image_enc = urlencode($image);
} else
	$image = false;

if ($input_invalid) {
	printErrorInvalid();
	die();
}
// type
if (isset($_GET['twg_generate'])) {
	$twg_generate = true;
} else
	$twg_generate = false;
// type
if (isset($_GET['twg_type'])) {
	$type = $_GET['twg_type'];
	$type = replaceInput($type);
} else
	$type = false;
// randomnr
if (isset($_GET['twg_random'])) {
	$randomimage = $_GET['twg_random'];
	$randomimage = replaceInput($randomimage);
} else
	$randomimage = false;

if (isset($_GET['twg_random_display'])) {
  if (isset($_GET['twg_random'])) {
  	if (isset($_SESSION['twg_random' . $_GET['twg_random']])) {
  		$image = $_SESSION['twg_random' . $_GET['twg_random']];
  		$image = replaceInput($image);
  		$image_enc = urlencode($image);
  	} else { // if external html page was open toooo long we jump to the first image
  		$image = false;
  		$image_enc = false;
  	}
  }
  
  if (isset($_GET['twg_random'])) {
  	if (isset($_SESSION['twg_random_album' . $_GET['twg_random']])) {
  		$twg_album = $_SESSION['twg_random_album' . $_GET['twg_random']];
  		$twg_album = replaceInput($twg_album);
  		$album_enc = urlencode($twg_album);
  	} else { // if external html page was open toooo long we jump to the first image
  		$twg_album = false;
  		$album_enc = false;
  	}
  }
}

// randomimagesize
if (isset($_GET['twg_random_size'])) {
	$randomimagesize = $_GET['twg_random_size'];
	$randomimagesize = replaceInput($randomimagesize);
} else
	$randomimagesize = $thumb_pic_size;

if (isset($_GET['twg_random_subdir'])) {
	$twg_random_subdir = true;
} else
	$twg_random_subdir = false;

$dataXmlHttp = false;
$browserXmlHttp = false;
$menuXmlHttp = false;
$menuXmlAutohide = false;

if (isset($_GET['twg_xmlhttp'])) {
	if ($_GET['twg_xmlhttp'] == 'd') {
		$dataXmlHttp = true;
	}
	if ($_GET['twg_xmlhttp'] == 'r') {
	  $browserXmlHttp = true;
	}
	if ($_GET['twg_xmlhttp'] == 'm') {
		$menuXmlHttp = true;
	}
	if ($_GET['twg_xmlhttp'] == 'h') {
		$menuXmlAutohide = true;
	}
}

if (isset($_GET['twg_precachexml'])) {
	$precachexml = true;
} else {
	$precachexml = false;
}

if (isset($_GET['twg_nojs'])) {
	$browserNoJS = true;
} else {
	$browserNoJS = false;
}
?>