<?
/***************************************************************************

snif 1.4
"snif is not an index file"
"simple and nice index file"
(c) Kai Blankenhorn
www.bitfolge.de
kaib@bitfolge.de


THIS IS THE REAL SNIF INDEX.PHP FILE.


This program is free software; you can redistribute it and/or
modify it under the terms of 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.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details: <http://www.gnu.org/licenses/gpl.txt>

****************************************************************************/

/***************************************************************************/
/**  REAL CODE STARTS HERE, NO NEED TO CHANGE ANYTHING                    **/
/***************************************************************************/

// INITIALISATION

require 'config.inc';
require 'functions.inc';
require 'Smarty/Smarty.class.php';

$s = new Smarty;
$s->template_dir = $templatePath;
$s->compile_dir = $compilePath;
$s->register_function('thumb', 'smarty_function_thumb');

// make sure all the notices don't come up in some configurations
error_reporting (E_ALL ^ E_NOTICE);

$displayError = "";

// safify all GET variables
foreach($_GET AS $key => $value) {
	$_GET[$key] = strip_tags($value);
}

$uri = "";
$server = $_SERVER['SERVER_NAME'];
$baseurl = "";
$docroot = "";

## determine URI / handle urlencoded URI / handle mozilla URI / ignore ?something=set
list($uri) = explode("?", $_SERVER["REQUEST_URI"]); 		# '?hash=uauaus&bla=xx' weg
$uri = rawurldecode($uri);								  	# falls uri encoded ist -> DEcoden ;)
preg_replace("/http\:\/\/$server\//", "", $uri);			# sort of mozilla-hack ..

## determine SERVER / BASEURL / DOCROOT
$baseurl = "http://" . $server;
$docroot = preg_replace("/\/$/","", $_SERVER["DOCUMENT_ROOT"]); # get rid of trailing '/'
$path = $docroot . $uri;

// default sorting is by name
if ($_GET["sort"]=="") {
	$_GET["sort"] = "name";
}

// default order is ascending
if ($_GET["order"]=="") {
	$_GET["order"] = "asc";
} else {
	$_GET["order"] = strtolower($_GET["order"]);
}

// add files used by snif to hidden file list
$hiddenFilesWildcards[] = $useDescriptionsFrom;
$hiddenFilesWildcards[] = ".";
$hiddenFilesWildcards[] = basename($_SERVER["PHP_SELF"]);

// build hidden files regular expression
for ($i=0;$i<count($hiddenFilesWildcards);$i++) {
	$translate = Array(
		"." => "\\.",
		"*" => ".*",
		"?" => ".?",
		"+" => "\\+",
		"[" => "\\[",
		"]" => "\\]",
		"(" => "\\(",
		")" => "\\)",
		"{" => "\\{",
		"}" => "\\}",
		"^" => "\\^",
		"\$" => "\\\$",
		"\\" => "\\\\",
	);
	$hiddenFilesRegex[] = "^".strtr($hiddenFilesWildcards[$i],$translate)."$";
}
// hide .*
$hiddenFilesRegex[] = "^\\.[^.].*$";
$hiddenFilesWholeRegex = "/".join("|",$hiddenFilesRegex)."/i";


// handle image requests
if ($_GET["getimage"]!="") {
	require 'doGetImage.inc';
}


// handle thumbnail creation
if ($_GET["thumbnail"]!="") {
	require 'doThumbnail.inc';
}


// handle download requests
if ($_GET["download"]!="") {
	require 'doDownload.inc';
}

if (isset($_GET['redir'])) {
	require 'doRedir.inc';
}

// load .config
if (file_exists($path.'/.snif/.config')) {
	@include($path.'/.snif/.config');
	if ($coralize) {
		$coralbase = 'http://' . $server . '.nyud.net:8090' . $uri;
	}
}

// change directory
// must be done before description file is parsed
if ($path!="") {
	if (!@chdir($path)) {
		$displayError = "$path is not a subdirectory of the current directory.";
		$path = "";
	}
}
$dir = dir(".");

// parsing description file
$descriptions = Array();
if ($useDescriptionsFrom!="") {
	$descriptionsFile = @file($useDescriptionsFrom);
	if ($descriptionsFile!==false) {
		for ($i=0;$i<count($descriptionsFile);$i++) {
			$d = explode($separationString,$descriptionsFile[$i]);
			if (!$descriptionFilenamesCaseSensitive) {
				$d[0] = strtolower($d[0]);
			}
			$descriptions[$d[0]] = join($separationString, array_slice($d, 1));
		}
	}
}

// build a two dimensional array containing the files in the chosen directory and their meta data
$files = Array();
while($entry = $dir->read()) {
	// if the filename matches one of the hidden files wildcards, skip the file
	if (fileIsHidden($entry))
		continue;

	// if the file is a directory and if directories are forbidden, skip it
	if (!$allowSubDirs AND is_dir($entry))
		continue;

	$f = Array();

	$f["name"] = $entry;
	$f["isDownloadable"] = (substr(strtolower($entry), -4)!=".php") || $allowPHPDownloads;
	$f["isDirectory"] = is_dir($entry);
	$fDate = @filemtime($entry);
	$f["date"] = $fDate;
	$f["fullDate"] = date("r", $fDate);
	$f["shortDate"] = date($snifDateFormat, $fDate);
	$f["description"] = getDescription($entry);

	if (is_dir($entry)) {
		$f["type"] = "&lt;DIR&gt;";
		$f["size"] = "";
		$f["nicesize"] = "";

		// building the link
		if ($entry=="..") {
			$f["link"] = '..';
		} else {
			$f["link"] = $entry;
		}
	} else {
		$fSize = @filesize($entry);
		$f["size"] = $fSize;
		$f["fullSize"] = number_format($fSize,0,".",",");
		$f["niceSize"] = nicesize($fSize);
		$pi = pathinfo($entry);
		$f["type"] = $pi["extension"];

		if ($coralize) {
			$f["link"] = '?redir=' . urlencode($coralbase . $entry);
			$f['download'] = '?redir=' . urlencode($coralbase . '?download=' . $entry);
		} else {
			$f["link"] = myEncode($entry);
			$f['download'] = '?download=' . $entry;
		}

	}
	$f["filetype"] = getFileType($f["type"], is_dir($entry));
	$f["icon"] = getIcon($f["filetype"]);
	$files[] = $f;
}

usort($files, "myCompare");


$pagingInEffect = $usePaging>0 && count($files)>$usePaging;
if ($usePaging>0) {
	$pageStart = $_GET["start"];
	if ($pageStart=="" || $pageStart<0 || $pageStart>count($files))
		$pageStart = 0;
	$pagingActualPage = floor($pageStart / $usePaging);
	$pagingNumberOfPages = ceil(count($files) / $usePaging);
} else {
	$pageStart = 0;
	$usePaging = count($files);
}
$pageEnd = min(count($files),$pageStart+$usePaging);


$columns = 4;
if ($useDescriptionsFrom!="") {
	$columns++;
}

//-----------------------------------------------------------------------------
// Push data to smarty
$s->assign('page_title', $baseurl.$uri);
$s->assign('error', $displayError);
$s->assign('columns', $columns);

$s->assign('baseUrl', $baseurl);
$s->assign('uri', $uri);
$s->assign('path', $path);

$s->assign('paging', $pagingInEffect);
if ($pagingInEffect) {
	$s->assign('paging_header', getPagingHeader());
}

if ($useDescriptionsFrom != "") {
	$s->assign('description', true);
}

if (file_exists($path.'index.txt')) {
	$s->assign('longDescription', join('',file($path.'index.txt')));
}

$s->assign('order', $_GET['order']);
$s->assign('sort', $_GET['sort']);
$s->assign('sortName', getNewSortURL('name'));
$s->assign('sortType', getNewSortURL('type'));
$s->assign('sortSize', getNewSortURL('size'));
$s->assign('sortDate', getNewSortURL('date'));

$s->assign('files', $files);
$s->assign('pageStart', $pageStart);
$s->assign('pageEnd', $pageEnd);

if ($_GET['order'] == 'asc') {
	$s->assign('orderImage', getIcon('asc'));
} else {
	$s->assign('orderImage', getIcon('desc'));
}
$s->assign('downloadImage', getIcon('download'));
$s->assign('thumbnails', $useAutoThumbnails);

// Finally, display the template
$s->display("snif.tpl");

?>