<?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.');

set_error_handler('on_error_no_output');
@session_start();
set_error_handler('on_error');

if (isset($_GET['twg_rot'])) {
	$twg_rot = ($_GET['twg_rot'] > 0 ? $_GET['twg_rot'] : 0);
	$twg_rot = $twg_rot >= 360 ? 0 : $twg_rot;
} else
	$twg_rot = -1;
// twg_album
if (isset($_GET['twg_album'])) {
	// we have to save the + es here :).
	$twg_album = replace_plus($_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);
	$twg_album = replaceInput($twg_album);
	$album_enc = urlencode($twg_album); // Albumwert fÃ¼r links, damit diese richtig codiert werden.
} else {
	$twg_album = false;
	$album_enc = false;
}

$album_param = '';
if ($twg_album) {
  $album_param = 'twg_album='.urlencode($twg_album) . '&amp;';
}

include (dirname(__FILE__) . '/../mapping.php');

// image
if (isset($_GET['twg_show'])) {
	$image = $_GET['twg_show'];
	// we check for security if a .. is in the path we remove this!
	$pos = strpos (strtolower($image), "http://");
	if ($pos === false) {
		$image = ereg_replace("/", "", $image);
	}
	$image = str_replace("\\'", "'", $image);
	// we don't allow external images this way anymore! - I have to think of a better way!
	$image = replaceInput($image);
	$image_enc = urlencode($image);
} else {
	$image = false;
	$image_enc = false;
}
// twg_offset
if (isset($_GET['twg_offset']) && $_GET['twg_offset'] > 0) {
	$twg_offset = $_GET['twg_offset'];
	$twg_offset = replaceInput($twg_offset);
} else
	$twg_offset = 0;

// folder offset !  12,9 = 1st level offset 12, 2nd level offset 9
if (isset($_GET['twg_foffset']) && $_GET['twg_foffset'] != "0") {
	$twg_foffset = $_GET['twg_foffset'];
	$twg_foffset = replaceInput($twg_foffset);
	$_SESSION['twg_ses_foffset'] = $twg_foffset;
} else if (isset($_GET['twg_foffset']) && $_GET['twg_foffset'] == '0') {
  	$_SESSION['twg_ses_foffset'] = '0';
    $twg_foffset = "0";
} else if ($twg_album) { // if we are in an album and no foffset is set then we are at 0,0
      $twg_foffset = '0,0';
    } else {
      $twg_foffset = '0,0';
    }


// twg_slideshow
if (isset($_GET['twg_slideshow'])) {
	$twg_slideshow = $_GET['twg_slideshow'];
	$twg_slideshow = replaceInput($twg_slideshow);
	$twg_smallnav = 'TRUE';
	$show_comments = false;
	$show_count_views = false;
} else
	$twg_slideshow = false;

if (isset($_GET['twg_top10'])) {
	$top10_type = $_GET['twg_top10'];
	$top10_type = replaceInput($top10_type);
	$top10 = true;
} else
	$top10 = false;

if (isset($_GET['twg_dir'])) {
	$dir = $_GET['twg_dir'];
	$dir = replaceInput($dir);
} else
	$dir = "next";

if (isset($_GET['twg_random_display'])) {
	if (isset($_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;
	}
}

if (isset($_GET['twg_search_term'])) {
	$twg_search_term = $_GET['twg_search_term'];
	$twg_search_term = replaceInput($twg_search_term);
} else
	$twg_search_term = " ";

if (isset($_GET['twg_search_filename'])) {
	$twg_search_filename = true;
} else
	$twg_search_filename = false;

if (isset($_GET['twg_search_caption'])) {
	$twg_search_caption = true;
} else
	$twg_search_caption = false;

if (isset($_GET['twg_search_comment'])) {
	$twg_search_comment = true;
} else
	$twg_search_comment = false;

if (isset($_GET['twg_search_folders'])) {
	$twg_search_folders = true;
} else
	$twg_search_folders = false;

if (isset($_GET['twg_search_tags'])) {
		$twg_search_tags = true;
	} else
	$twg_search_tags = false;

if (isset($_GET['twg_search_latest'])) {
	$twg_search_latest = true;
	$twg_search_folders = false;
	$twg_search_comment = false;
	$twg_search_caption = false;
	$twg_search_filename = false;
	$twg_search_tags = false;
} else
	$twg_search_latest = false;

if (isset($_GET['twg_search_max'])) {
	$twg_search_max = $_GET['twg_search_max'];
	$twg_search_max = replaceInput($twg_search_max);
} else
	$twg_search_max = 50;

if (isset($_GET['twg_search_num'])) {
	$twg_search_num = $_GET['twg_search_num'];
	$twg_search_num = replaceInput($twg_search_num);
} else
	$twg_search_num = 50;

if (isset($_GET['twg_search_exact'])) {
$twg_search_exact=true;
} else {
$twg_search_exact=false;
}
?>